/* roulang page: index */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a53be;
            --primary-light: #3b82f6;
            --secondary: #ff6b35;
            --secondary-light: #ff8a5c;
            --accent: #10b981;
            --accent-dark: #0d9e6e;
            --dark: #0f1729;
            --dark-2: #1a2338;
            --darker: #0b1120;
            --white: #ffffff;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 41, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 41, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 23, 41, 0.16);
            --shadow-primary: 0 8px 24px rgba(13, 110, 253, 0.24);
            --shadow-secondary: 0 8px 24px rgba(255, 107, 53, 0.24);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --max-width: 1280px;
            --header-height: 76px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base), opacity var(--transition-base);
        }

        a:hover {
            color: var(--primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            box-shadow: var(--shadow-primary);
            flex-shrink: 0;
        }

        .brand-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand-logo .logo-text span {
            color: var(--primary-light);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: #fff;
            background: rgba(13, 110, 253, 0.35);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary-light);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-actions .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-nav-outline {
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            background: transparent;
        }

        .btn-nav-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(255, 255, 255, 0.05);
        }

        .btn-nav-primary {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            box-shadow: var(--shadow-primary);
        }

        .btn-nav-primary:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 12px 32px rgba(13, 110, 253, 0.32);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: #fff;
            transition: all var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
            text-align: center;
            line-height: 1.4;
            position: relative;
            overflow: hidden;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.4);
            outline-offset: 2px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(13, 110, 253, 0.36);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-primary);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            box-shadow: var(--shadow-secondary);
        }

        .btn-secondary:hover {
            background: linear-gradient(135deg, #e05a2a, var(--secondary));
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(255, 107, 53, 0.36);
        }

        .btn-outline {
            background: transparent;
            color: var(--text);
            border: 2px solid var(--border);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(13, 110, 253, 0.04);
        }

        .btn-dark {
            background: var(--dark);
            color: #fff;
        }

        .btn-dark:hover {
            background: var(--dark-2);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-white {
            background: #fff;
            color: var(--dark);
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            background: var(--gray-50);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* ========== Tags / Badges ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-full);
            letter-spacing: 0.3px;
            line-height: 1.4;
            white-space: nowrap;
        }

        .badge-primary {
            background: rgba(13, 110, 253, 0.1);
            color: var(--primary);
        }

        .badge-secondary {
            background: rgba(255, 107, 53, 0.12);
            color: var(--secondary);
        }

        .badge-accent {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent);
        }

        .badge-dark {
            background: rgba(15, 23, 41, 0.08);
            color: var(--dark);
        }

        .badge-light {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background: linear-gradient(160deg, #0b1120 0%, #0f1729 35%, #1a2338 65%, #1e2a4a 100%);
            padding: 80px 0 90px;
            overflow: hidden;
            color: #fff;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.3) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -300px;
            left: -150px;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.18) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 520px 1fr;
            gap: 30px;
            align-items: center;
        }

        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-side-left {
            align-items: flex-end;
            text-align: right;
        }

        .hero-side-right {
            align-items: flex-start;
            text-align: left;
        }

        .hero-point {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            transition: all var(--transition-base);
            cursor: default;
            max-width: 100%;
        }

        .hero-point:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateX(-4px);
        }

        .hero-side-right .hero-point:hover {
            transform: translateX(4px);
        }

        .hero-point-icon {
            width: 32px;
            height: 32px;
            min-width: 32px;
            border-radius: var(--radius-sm);
            background: rgba(13, 110, 253, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary-light);
        }

        .hero-center {
            text-align: center;
            position: relative;
        }

        .hero-stage {
            position: relative;
            background: rgba(255, 255, 255, 0.04);
            border: 2px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 48px 36px 40px;
            box-shadow: var(--shadow-xl);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-stage::before {
            content: '';
            position: absolute;
            top: -2px;
            left: 20%;
            right: 20%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
            border-radius: 2px;
        }

        .hero-badge-row {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .hero-title {
            font-size: 54px;
            font-weight: 900;
            letter-spacing: -1.5px;
            line-height: 1.15;
            margin-bottom: 18px;
            color: #fff;
            background: linear-gradient(135deg, #fff 40%, #a8c8ff 70%, #7ba8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.78);
            max-width: 440px;
            margin: 0 auto 28px;
            font-weight: 400;
        }

        .hero-cta-group {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-data-row {
            display: flex;
            justify-content: center;
            gap: 28px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-data-item {
            text-align: center;
        }

        .hero-data-number {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .hero-data-number span {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-light);
        }

        .hero-data-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ========== Section Common ========== */
        .section {
            padding: 70px 0;
        }

        .section-sm {
            padding: 50px 0;
        }

        .section-lg {
            padding: 90px 0;
        }

        .section-header {
            margin-bottom: 44px;
        }

        .section-header.text-center {
            text-align: center;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.8px;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 640px;
        }

        .section-header.text-center .section-desc {
            margin: 0 auto;
        }

        /* ========== Category Entry ========== */
        .category-entry-section {
            background: var(--gray-50);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .category-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .category-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .category-card:hover::before {
            opacity: 1;
        }

        .category-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(13, 110, 253, 0.08), rgba(13, 110, 253, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            transition: all var(--transition-base);
        }

        .category-card:hover .category-card-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
        }

        .category-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
        }

        .category-card-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .category-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .category-card-link i {
            font-size: 10px;
            transition: transform var(--transition-base);
        }

        .category-card:hover .category-card-link i {
            transform: translateX(4px);
        }

        /* ========== Resource List ========== */
        .resource-section {
            background: #fff;
        }

        .resource-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .resource-intro {
            position: sticky;
            top: 100px;
        }

        .resource-intro .section-title {
            margin-bottom: 16px;
        }

        .resource-intro p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-muted);
            margin-bottom: 22px;
        }

        .resource-features {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .resource-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .resource-feature-item i {
            color: var(--accent);
            font-size: 18px;
        }

        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .resource-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--gray-50);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition-base);
        }

        .resource-item:hover {
            border-color: var(--primary-light);
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .resource-item-thumb {
            width: 56px;
            height: 56px;
            min-width: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--gray-200);
        }

        .resource-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .resource-item-info {
            flex: 1;
            min-width: 0;
        }

        .resource-item-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
        }

        .resource-item-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .resource-item-tag {
            display: inline-flex;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--radius-full);
            background: rgba(13, 110, 253, 0.08);
            color: var(--primary);
        }

        .resource-item-btn {
            flex-shrink: 0;
        }

        /* ========== News / Info List ========== */
        .news-section {
            background: linear-gradient(180deg, var(--gray-50) 0%, #fff 100%);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 18px;
            padding: 20px 22px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .news-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-item-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 56px;
            height: 56px;
            background: var(--gray-100);
            border-radius: var(--radius-sm);
            text-align: center;
            flex-shrink: 0;
        }

        .news-item-date .day {
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1;
        }

        .news-item-date .month {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition-base);
        }

        .news-item:hover .news-item-title {
            color: var(--primary);
        }

        .news-item-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            
        }

        .news-item-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .news-item-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(13, 110, 253, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-full);
        }

        .news-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition-base);
        }

        .news-read-more i {
            font-size: 10px;
            transition: transform var(--transition-base);
        }

        .news-read-more:hover {
            color: var(--primary);
        }

        .news-read-more:hover i {
            transform: translateX(4px);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-sidebar-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .news-sidebar-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar-card h4 i {
            color: var(--primary);
            font-size: 14px;
        }

        .news-sidebar-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: color var(--transition-base);
            cursor: pointer;
        }

        .news-sidebar-item:last-child {
            border-bottom: none;
        }

        .news-sidebar-item:hover {
            color: var(--primary);
        }

        .news-sidebar-item .rank {
            font-weight: 800;
            font-size: 20px;
            color: var(--gray-300);
            min-width: 28px;
        }

        .news-sidebar-item .rank.top {
            color: var(--secondary);
        }

        .news-sidebar-item-title {
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
            color: var(--text-secondary);
        }

        /* ========== Brand Intro ========== */
        .brand-intro-section {
            background: var(--dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .brand-intro-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.2) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .brand-intro-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .brand-intro-text .section-title {
            color: #fff;
        }

        .brand-intro-text p {
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }

        .brand-intro-text .brand-tagline {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .brand-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 360px;
        }

        /* ========== Pricing / Ticket Comparison ========== */
        .pricing-section {
            background: #fff;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--gray-50);
            border: 2px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition-base);
            position: relative;
        }

        .pricing-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .pricing-card.featured {
            background: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .pricing-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        .pricing-card-header {
            text-align: center;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-light);
        }

        .pricing-card-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
        }

        .pricing-card-price {
            font-size: 42px;
            font-weight: 900;
            color: var(--dark);
            letter-spacing: -1px;
            line-height: 1.1;
            margin-top: 8px;
        }

        .pricing-card-price span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0;
        }

        .pricing-card-features {
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .pricing-card-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .pricing-card-features li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 4px;
        }

        .pricing-cta-group {
            text-align: center;
            margin-top: 36px;
        }

        .pricing-cta-group p {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* ========== Testimonials / Reviews ========== */
        .testimonial-section {
            background: var(--gray-50);
        }

        .testimonial-summary {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .testimonial-score {
            display: flex;
            align-items: center;
            gap: 14px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .testimonial-score .big-number {
            font-size: 48px;
            font-weight: 900;
            color: var(--dark);
            letter-spacing: -1px;
            line-height: 1;
        }

        .testimonial-score .score-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .testimonial-score .score-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
        }

        .testimonial-score .stars {
            color: #f59e0b;
            font-size: 16px;
            letter-spacing: 2px;
        }

        .testimonial-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .testimonial-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .testimonial-stat .stat-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
        }

        .testimonial-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
        }

        .testimonial-card-header {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(13, 110, 253, 0.15), rgba(13, 110, 253, 0.25));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 16px;
        }

        .testimonial-user {
            display: flex;
            flex-direction: column;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        .testimonial-rating {
            color: #f59e0b;
            font-size: 13px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            flex: 1;
        }

        .testimonial-cta {
            text-align: center;
            margin-top: 36px;
        }

        /* ========== Focus Topics ========== */
        .focus-topics-section {
            background: #fff;
        }

        .focus-topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .focus-topic-card {
            background: var(--gray-50);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .focus-topic-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .focus-topic-thumb {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .focus-topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .focus-topic-card:hover .focus-topic-thumb img {
            transform: scale(1.06);
        }

        .focus-topic-thumb .overlay-badge {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: rgba(15, 23, 41, 0.8);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-full);
        }

        .focus-topic-body {
            padding: 16px;
        }

        .focus-topic-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .focus-topic-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .focus-topic-highlight {
            display: inline-block;
            margin-top: 10px;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
        }

        /* ========== Download CTA ========== */
        .download-section {
            background: linear-gradient(160deg, #0b1120 0%, #0f1729 40%, #1a2a55 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .download-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(13, 110, 253, 0.3) 0%, transparent 70%);
            pointer-events: none;
        }

        .download-inner {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .download-title {
            font-size: 38px;
            font-weight: 900;
            letter-spacing: -0.8px;
            color: #fff;
            margin-bottom: 14px;
        }

        .download-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .download-btns {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .download-btns .btn {
            min-width: 160px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--gray-50);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            transition: color var(--transition-base);
            user-select: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            min-width: 28px;
            border-radius: 50%;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* ========== Bottom Fixed CTA ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(15, 23, 41, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 14px 0;
            transform: translateY(0);
            transition: transform var(--transition-base);
        }

        .bottom-cta-bar.hidden {
            transform: translateY(100%);
        }

        .bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .bottom-cta-text {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .bottom-cta-text .bottom-cta-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(13, 110, 253, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 18px;
        }

        .bottom-cta-text .bottom-cta-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }

        .bottom-cta-text .bottom-cta-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .bottom-cta-btns {
            display: flex;
            gap: 10px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0b1120;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 100px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand .brand-logo .logo-text {
            font-size: 22px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            transition: color var(--transition-base);
        }

        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }

        .footer-legal {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1200px) {
            .hero-inner {
                grid-template-columns: 1fr 420px 1fr;
                gap: 20px;
            }

            .hero-title {
                font-size: 44px;
            }
        }

        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 30px;
                text-align: center;
            }

            .hero-side {
                flex-direction: row;
                justify-content: center;
                flex-wrap: wrap;
            }

            .hero-side-left,
            .hero-side-right {
                align-items: center;
                text-align: center;
            }

            .hero-point:hover {
                transform: translateY(-4px);
            }

            .hero-stage {
                padding: 36px 24px 32px;
            }

            .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .resource-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .resource-intro {
                position: static;
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .news-sidebar-card {
                flex: 1;
                min-width: 240px;
            }

            .brand-intro-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .focus-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .site-header .container {
                gap: 10px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: var(--shadow-lg);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions .btn-nav {
                padding: 8px 14px;
                font-size: 12px;
            }

            .section {
                padding: 50px 0;
            }

            .section-sm {
                padding: 36px 0;
            }

            .section-lg {
                padding: 60px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .hero {
                padding: 50px 0 60px;
            }

            .hero-title {
                font-size: 32px;
                letter-spacing: -0.8px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-data-row {
                gap: 16px;
            }

            .hero-data-number {
                font-size: 24px;
            }

            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }

            .news-item-date {
                flex-direction: row;
                width: fit-content;
                height: auto;
                padding: 6px 12px;
                gap: 6px;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .focus-topics-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .bottom-cta-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .bottom-cta-btns {
                width: 100%;
                justify-content: center;
            }

            .download-title {
                font-size: 28px;
            }

            .brand-intro-text .brand-tagline {
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .container-wide {
                padding: 0 16px;
            }

            .brand-logo .logo-text {
                font-size: 16px;
            }

            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .nav-actions .btn-nav {
                padding: 6px 10px;
                font-size: 11px;
            }

            .hero {
                padding: 36px 0 44px;
            }

            .hero-stage {
                padding: 24px 14px 20px;
                border-radius: var(--radius-md);
            }

            .hero-title {
                font-size: 26px;
                letter-spacing: -0.5px;
            }

            .hero-subtitle {
                font-size: 14px;
                line-height: 1.7;
            }

            .hero-data-row {
                flex-direction: column;
                gap: 8px;
            }

            .hero-data-item {
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 8px;
            }

            .category-grid {
                grid-template-columns: 1fr;
            }

            .resource-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px;
            }

            .resource-item-thumb {
                width: 100%;
                height: 140px;
            }

            .testimonial-summary {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-bottom .footer-links {
                gap: 12px;
                font-size: 12px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }

            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }

            .section-title {
                font-size: 24px;
            }

            .download-btns .btn {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #0d6efd;
  --primary-dark: #0a53be;
  --primary-light: #3b82f6;
  --secondary: #ff6b35;
  --secondary-light: #ff8a5c;
  --accent: #10b981;
  --accent-dark: #0d9e6e;
  --dark: #0f1729;
  --dark-2: #1a2338;
  --darker: #0b1120;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --text: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
  --shadow-md: 0 6px 24px rgba(15, 23, 41, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 41, 0.12);
  --shadow-xl: 0 24px 64px rgba(15, 23, 41, 0.16);
  --shadow-primary: 0 8px 24px rgba(13, 110, 253, 0.24);
  --shadow-secondary: 0 8px 24px rgba(255, 107, 53, 0.24);
  --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --transition-fast: 0.18s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --max-width: 1280px;
  --header-height: 68px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
body { font-family: var(--font-family); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--white); overflow-x: hidden; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img { max-width: 100%; height: auto; display: block; border: 0; }
a { text-decoration: none; color: inherit; transition: color var(--transition-base), opacity var(--transition-base), transform var(--transition-base); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; outline: none; border: none; background: none; }
button { cursor: pointer; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }

/* ========== Header ========== */
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(15, 23, 41, 0.96); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255, 255, 255, 0.08); transition: all var(--transition-base); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); gap: 16px; }
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo .logo-icon { width: 40px; height: 40px; border-radius: var(--radius-md); background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; font-weight: 800; letter-spacing: -0.5px; box-shadow: var(--shadow-primary); flex-shrink: 0; }
.brand-logo .logo-text { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: -0.3px; line-height: 1.2; white-space: nowrap; }
.brand-logo .logo-text span { color: var(--primary-light); }
.main-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.main-nav a { display: inline-flex; align-items: center; gap: 6px; padding: 10px 14px; font-size: 14px; font-weight: 500; color: rgba(255, 255, 255, 0.72); border-radius: var(--radius-full); transition: all var(--transition-base); white-space: nowrap; position: relative; }
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.main-nav a.active { color: #fff; background: rgba(13, 110, 253, 0.22); box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.4); }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-nav { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; font-size: 14px; font-weight: 600; border-radius: var(--radius-full); transition: all var(--transition-base); white-space: nowrap; }
.btn-nav-outline { color: #fff; border: 1px solid rgba(255, 255, 255, 0.3); }
.btn-nav-outline:hover { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.btn-nav-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; box-shadow: var(--shadow-primary); }
.btn-nav-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(13, 110, 253, 0.36); color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: var(--radius-sm); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition-base); }

/* ========== Hero ========== */
.hero { position: relative; background: linear-gradient(160deg, #0b1120 0%, #14213d 35%, #1a2b4a 60%, #0f1f3a 100%); min-height: 680px; display: flex; align-items: center; padding: 72px 0 88px; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 75% 20%, rgba(13, 110, 253, 0.25), transparent 55%), radial-gradient(ellipse at 20% 80%, rgba(16, 185, 129, 0.15), transparent 50%); pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -120px; right: -80px; width: 420px; height: 420px; border-radius: 50%; background: rgba(13, 110, 253, 0.12); filter: blur(80px); pointer-events: none; }
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(13, 110, 253, 0.18); border: 1px solid rgba(59, 130, 246, 0.4); border-radius: var(--radius-full); color: #93c5fd; font-size: 13px; font-weight: 600; margin-bottom: 24px; letter-spacing: 0.3px; }
.hero-badge i { font-size: 14px; }
.hero-title { font-size: 52px; font-weight: 900; color: #fff; line-height: 1.15; letter-spacing: -1.5px; margin-bottom: 20px; }
.hero-title .gradient-text { background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 40%, #818cf8 70%, #c084fc 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.hero-subtitle { font-size: 18px; color: rgba(255, 255, 255, 0.72); line-height: 1.8; max-width: 540px; margin-bottom: 32px; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.btn-hero { display: inline-flex; align-items: center; gap: 10px; padding: 16px 32px; font-size: 16px; font-weight: 700; border-radius: var(--radius-md); transition: all var(--transition-base); }
.btn-hero-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; box-shadow: 0 12px 32px rgba(13, 110, 253, 0.4); }
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(13, 110, 253, 0.5); color: #fff; }
.btn-hero-outline { background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.25); color: #fff; backdrop-filter: blur(8px); }
.btn-hero-outline:hover { background: rgba(255, 255, 255, 0.16); color: #fff; transform: translateY(-3px); }
.hero-trust { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.hero-trust-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, 0.6); }
.hero-trust-item i { color: var(--accent); font-size: 15px; }
.hero-panel { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-xl); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 28px; box-shadow: var(--shadow-xl); }
.hero-panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.hero-panel-title { font-size: 17px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 8px; }
.hero-panel-title i { color: var(--primary-light); }
.hero-panel-badge { font-size: 11px; font-weight: 600; color: #93c5fd; background: rgba(13, 110, 253, 0.2); padding: 4px 12px; border-radius: var(--radius-full); }
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-item { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: rgba(255, 255, 255, 0.04); border-radius: var(--radius-md); border: 1px solid rgba(255, 255, 255, 0.06); transition: all var(--transition-base); }
.rank-item:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.14); }
.rank-num { width: 30px; height: 30px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; flex-shrink: 0; }
.rank-num.top1 { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; }
.rank-num.top2 { background: linear-gradient(135deg, #94a3b8, #64748b); color: #fff; }
.rank-num.top3 { background: linear-gradient(135deg, #d97706, #b45309); color: #fff; }
.rank-num.default { background: rgba(255, 255, 255, 0.1); color: rgba(255, 255, 255, 0.7); }
.rank-team { font-size: 14px; font-weight: 600; color: #fff; display: flex; align-items: center; gap: 8px; flex: 1; }
.rank-team .team-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.rank-stats { display: flex; gap: 18px; font-size: 12px; color: rgba(255, 255, 255, 0.6); }
.rank-stats span { white-space: nowrap; }
.rank-stats b { color: #93c5fd; font-weight: 700; }
.hero-panel-footer { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: space-between; }
.hero-panel-footer span { font-size: 12px; color: rgba(255, 255, 255, 0.5); }
.hero-panel-footer a { font-size: 13px; font-weight: 600; color: #93c5fd; display: flex; align-items: center; gap: 6px; }
.hero-panel-footer a:hover { color: #bfdbfe; }

/* ========== Sections ========== */
.section { padding: 72px 0; position: relative; }
.section-alt { background: var(--gray-50); }
.section-dark { background: linear-gradient(160deg, #0b1120 0%, #14213d 50%, #0f1f3a 100%); color: #fff; }
.section-head { margin-bottom: 44px; max-width: 720px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--primary); background: rgba(13, 110, 253, 0.08); padding: 6px 16px; border-radius: var(--radius-full); margin-bottom: 16px; letter-spacing: 0.5px; }
.section-dark .section-tag { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
.section-title { font-size: 36px; font-weight: 800; color: var(--text); line-height: 1.25; letter-spacing: -0.5px; margin-bottom: 14px; }
.section-dark .section-title { color: #fff; }
.section-subtitle { font-size: 16px; color: var(--text-muted); line-height: 1.8; }
.section-dark .section-subtitle { color: rgba(255, 255, 255, 0.6); }

/* ========== Stats ========== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 24px; text-align: center; transition: all var(--transition-base); }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(13, 110, 253, 0.2); }
.stat-icon { width: 52px; height: 52px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 22px; background: rgba(13, 110, 253, 0.08); color: var(--primary); }
.stat-num { font-size: 34px; font-weight: 800; color: var(--text); letter-spacing: -1px; line-height: 1.2; }
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 6px; }

/* ========== Feature Cards ========== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 28px; transition: all var(--transition-base); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--primary), var(--primary-light)); transform: scaleX(0); transform-origin: left; transition: transform var(--transition-base); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(13, 110, 253, 0.2); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 56px; height: 56px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 20px; background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(59, 130, 246, 0.2)); color: var(--primary); }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 12px; letter-spacing: -0.3px; }
.feature-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.feature-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--text-muted); }
.feature-meta span { display: flex; align-items: center; gap: 6px; }
.feature-meta i { color: var(--accent); }

/* ========== Scenario / Demo ========== */
.scenario-block { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.scenario-image { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl); }
.scenario-image img { width: 100%; height: 380px; object-fit: cover; }
.scenario-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px; background: linear-gradient(to top, rgba(11, 17, 32, 0.85), transparent); color: #fff; }
.scenario-overlay h4 { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.scenario-overlay p { font-size: 13px; color: rgba(255, 255, 255, 0.7); }
.scenario-content h3 { font-size: 28px; font-weight: 800; color: var(--text); margin-bottom: 16px; letter-spacing: -0.5px; }
.scenario-content p { font-size: 15px; color: var(--text-secondary); line-height: 1.9; margin-bottom: 14px; }
.scenario-list { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
.scenario-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: var(--text-secondary); line-height: 1.7; }
.scenario-list li i { color: var(--accent); font-size: 16px; margin-top: 5px; flex-shrink: 0; }

/* ========== Process ========== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 24px; position: relative; transition: all var(--transition-base); }
.process-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.process-step { position: absolute; top: -16px; left: 24px; width: 32px; height: 32px; border-radius: var(--radius-full); background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-primary); }
.process-card h3 { font-size: 18px; font-weight: 700; color: var(--text); margin: 12px 0 10px; }
.process-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ========== Table / Ranking ========== */
.ranking-table { background: #fff; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--border); }
.ranking-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.ranking-header h3 { font-size: 18px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.ranking-header h3 i { color: var(--primary); }
.ranking-tabs { display: flex; gap: 6px; }
.ranking-tabs button { padding: 6px 14px; font-size: 13px; font-weight: 600; border-radius: var(--radius-full); color: var(--text-muted); transition: all var(--transition-base); border: 1px solid transparent; }
.ranking-tabs button.active { background: rgba(13, 110, 253, 0.1); color: var(--primary); border-color: rgba(13, 110, 253, 0.2); }
.ranking-tabs button:hover { background: var(--gray-100); }
.ranking-body { padding: 12px 24px 20px; }
.ranking-row { display: grid; grid-template-columns: 48px 1fr 90px 90px 90px 90px; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border-light); }
.ranking-row:last-child { border-bottom: none; }
.ranking-row.header-row { font-size: 12px; color: var(--text-muted); font-weight: 600; padding: 10px 0; }
.ranking-pos { font-size: 14px; font-weight: 700; color: var(--text-muted); }
.ranking-pos.pos-highlight { color: var(--primary); }
.ranking-team { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--text); }
.ranking-team .team-badge { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; color: #fff; flex-shrink: 0; }
.ranking-datum { font-size: 14px; color: var(--text-secondary); text-align: center; }
.ranking-datum b { font-weight: 700; color: var(--text); }
.ranking-datum.highlight { color: var(--accent); font-weight: 700; }

/* ========== Social Proof ========== */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: all var(--transition-base); }
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial-stars { color: #f59e0b; font-size: 14px; letter-spacing: 2px; margin-bottom: 14px; }
.testimonial-text { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; color: #fff; flex-shrink: 0; }
.testimonial-info h5 { font-size: 14px; font-weight: 700; color: var(--text); }
.testimonial-info span { font-size: 12px; color: var(--text-muted); }

/* ========== FAQ ========== */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition-base); }
.faq-item:hover { border-color: rgba(13, 110, 253, 0.25); }
.faq-item.active { border-color: rgba(13, 110, 253, 0.3); box-shadow: var(--shadow-md); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text); transition: all var(--transition-base); }
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: 14px; color: var(--text-muted); transition: transform var(--transition-base); flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-base), padding var(--transition-base); padding: 0 22px; font-size: 15px; color: var(--text-secondary); line-height: 1.8; }
.faq-item.active .faq-answer { max-height: 500px; padding-bottom: 20px; }

/* ========== CTA ========== */
.cta-section { padding: 80px 0; position: relative; overflow: hidden; }
.cta-box { background: linear-gradient(135deg, #0b1120 0%, #14213d 40%, #1a2b4a 70%, #0f1f3a 100%); border-radius: var(--radius-xl); padding: 56px 48px; text-align: center; position: relative; overflow: hidden; box-shadow: var(--shadow-xl); }
.cta-box::before { content: ''; position: absolute; top: -60%; right: -20%; width: 400px; height: 400px; border-radius: 50%; background: rgba(13, 110, 253, 0.15); filter: blur(70px); pointer-events: none; }
.cta-box::after { content: ''; position: absolute; bottom: -50%; left: -10%; width: 350px; height: 350px; border-radius: 50%; background: rgba(16, 185, 129, 0.1); filter: blur(70px); pointer-events: none; }
.cta-box h2 { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 14px; letter-spacing: -0.5px; position: relative; z-index: 2; }
.cta-box p { font-size: 16px; color: rgba(255, 255, 255, 0.65); max-width: 520px; margin: 0 auto 32px; line-height: 1.8; position: relative; z-index: 2; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; position: relative; z-index: 2; }

/* ========== Footer ========== */
.site-footer { background: var(--darker); color: rgba(255, 255, 255, 0.7); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.site-footer .brand-logo { margin-bottom: 14px; }
.footer-brand-desc { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, 0.55); max-width: 300px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.3px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255, 255, 255, 0.55); transition: all var(--transition-base); display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: #93c5fd; transform: translateX(4px); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, 0.4); }
.footer-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: rgba(255, 255, 255, 0.4); transition: all var(--transition-base); }
.footer-links a:hover { color: #93c5fd; }

/* ========== Sticky CTA Bar ========== */
.sticky-cta-bar { position: fixed; bottom: 0; left: 0; right: 0; z-index: 900; background: rgba(15, 23, 41, 0.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 12px 0; transform: translateY(100%); transition: transform var(--transition-base); }
.sticky-cta-bar.visible { transform: translateY(0); }
.sticky-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.sticky-cta-text { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.8); font-size: 14px; }
.sticky-cta-text i { color: var(--accent); font-size: 18px; }
.sticky-cta-text b { color: #fff; font-weight: 700; }
.sticky-cta-actions { display: flex; gap: 10px; flex-shrink: 0; }

/* ========== Responsive ========== */
@media (max-width: 1200px) {
  .hero-title { font-size: 42px; }
  .hero-grid { gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
}
@media (max-width: 992px) {
  .hero { min-height: auto; padding: 56px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-subtitle { max-width: 100%; }
  .hero-panel { max-width: 560px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-block { grid-template-columns: 1fr; gap: 32px; }
  .scenario-image img { height: 300px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .ranking-row { grid-template-columns: 40px 1fr 70px 70px 70px 70px; gap: 8px; }
}
@media (max-width: 768px) {
  :root { --header-height: 60px; }
  .nav-toggle { display: flex; }
  .main-nav { position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(15, 23, 41, 0.98); flex-direction: column; align-items: flex-start; gap: 0; padding: 12px 20px 20px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); transform: translateY(-110%); transition: transform var(--transition-base); pointer-events: none; }
  .main-nav.open { transform: translateY(0); pointer-events: auto; }
  .main-nav a { width: 100%; padding: 12px 16px; font-size: 15px; }
  .btn-nav { padding: 8px 14px; font-size: 13px; }
  .hero-title { font-size: 32px; letter-spacing: -1px; }
  .hero-subtitle { font-size: 16px; }
  .hero-badge { font-size: 12px; }
  .btn-hero { padding: 14px 24px; font-size: 14px; }
  .section { padding: 52px 0; }
  .section-title { font-size: 26px; }
  .section-subtitle { font-size: 14px; }
  .feature-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .ranking-row { grid-template-columns: 36px 1fr 60px 60px 60px 60px; gap: 4px; font-size: 12px; }
  .ranking-row.header-row { font-size: 10px; }
  .ranking-team { font-size: 12px; }
  .ranking-datum { font-size: 12px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 20px 16px; }
  .stat-num { font-size: 26px; }
  .cta-box { padding: 36px 24px; }
  .cta-box h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .sticky-cta-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sticky-cta-text { font-size: 12px; }
  .sticky-cta-actions { width: 100%; }
  .sticky-cta-actions .btn { flex: 1; justify-content: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand-logo .logo-text { font-size: 17px; }
  .brand-logo .logo-icon { width: 34px; height: 34px; font-size: 17px; }
  .hero { padding: 40px 0 60px; }
  .hero-title { font-size: 26px; }
  .hero-subtitle { font-size: 14px; }
  .hero-panel { padding: 18px; }
  .rank-item { padding: 10px 12px; }
  .rank-team { font-size: 12px; }
  .rank-stats { font-size: 10px; gap: 8px; }
  .btn-hero { width: 100%; justify-content: center; }
  .hero-actions { flex-direction: column; }
  .section { padding: 40px 0; }
  .section-title { font-size: 22px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-num { font-size: 22px; }
  .stat-label { font-size: 12px; }
  .feature-card { padding: 24px 20px; }
  .feature-card h3 { font-size: 18px; }
  .scenario-image img { height: 220px; }
  .scenario-overlay { padding: 18px; }
  .scenario-content h3 { font-size: 22px; }
  .ranking-row { grid-template-columns: 30px 1fr 50px 50px 50px 50px; font-size: 11px; }
  .ranking-row.header-row { font-size: 9px; }
  .ranking-datum { font-size: 11px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-box h2 { font-size: 22px; }
  .nav-actions .btn-nav-outline { display: none; }
}

/* roulang page: category1 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a53be;
            --primary-light: #3b82f6;
            --secondary: #ff6b35;
            --secondary-light: #ff8a5c;
            --accent: #10b981;
            --accent-dark: #0d9e6e;
            --dark: #0f1729;
            --dark-2: #1a2338;
            --darker: #0b1120;
            --white: #ffffff;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 41, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 41, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 23, 41, 0.16);
            --shadow-primary: 0 8px 24px rgba(13, 110, 253, 0.24);
            --shadow-secondary: 0 8px 24px rgba(255, 107, 53, 0.24);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --max-width: 1280px;
            --header-height: 64px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base), opacity var(--transition-base);
        }

        a:hover {
            color: var(--primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            box-shadow: var(--shadow-primary);
            flex-shrink: 0;
        }

        .brand-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand-logo .logo-text span {
            color: var(--primary-light);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: #fff;
            background: rgba(13, 110, 253, 0.18);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-light);
            border-radius: var(--radius-full);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-nav-outline {
            color: rgba(255, 255, 255, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-nav-outline:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-nav-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .btn-nav-primary:hover {
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 12px 32px rgba(13, 110, 253, 0.35);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-base);
            display: block;
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-primary);
            border: none;
        }

        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(13, 110, 253, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-primary);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            box-shadow: var(--shadow-secondary);
            border: none;
        }

        .btn-secondary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(255, 107, 53, 0.35);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 13px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.5);
            outline-offset: 2px;
        }

        /* ========== Hero ========== */
        .hero-live {
            position: relative;
            min-height: calc(100vh - var(--header-height));
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-live::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.88) 0%, rgba(15, 23, 41, 0.72) 45%, rgba(13, 110, 253, 0.35) 100%);
            z-index: 1;
        }

        .hero-live .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .hero-live-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-full);
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            margin-bottom: 24px;
        }

        .hero-badge i {
            color: var(--secondary);
            font-size: 14px;
        }

        .hero-live h1 {
            font-size: 52px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero-live h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), #60a5fa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-live .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-play-btn {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            transition: all var(--transition-base);
            cursor: pointer;
            flex-shrink: 0;
        }

        .hero-play-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: #fff;
            transform: scale(1.08);
        }

        .hero-play-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .hero-stats-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 3;
            background: rgba(11, 17, 32, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }

        .hero-stats-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
        }

        .hero-stat-item .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-light);
        }

        .hero-stat-item .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== Sections Common ========== */
        .section {
            padding: 70px 0;
            position: relative;
        }

        .section-alt {
            background: var(--gray-50);
        }

        .section-dark {
            background: var(--dark);
            color: #fff;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .section-label i {
            font-size: 14px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 40px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== Feature Cards ========== */
        .feature-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(13, 110, 253, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: all var(--transition-base);
        }

        .feature-card:hover .card-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .feature-card .card-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            padding: 4px 12px;
            background: var(--secondary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        /* ========== Data Panel ========== */
        .data-panel {
            background: var(--white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .data-panel-header {
            padding: 20px 24px;
            background: var(--dark);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .data-panel-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: #fff;
        }

        .live-dot .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            animation: pulse 1.2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-base);
            flex-wrap: wrap;
            gap: 10px;
        }

        .match-row:last-child {
            border-bottom: none;
        }

        .match-row:hover {
            background: var(--gray-50);
        }

        .match-info {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 200px;
        }

        .match-league {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(13, 110, 253, 0.08);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            white-space: nowrap;
        }

        .match-teams {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        .match-score {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .match-status {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            white-space: nowrap;
        }

        .status-live {
            background: rgba(255, 107, 53, 0.1);
            color: var(--secondary);
        }

        .status-upcoming {
            background: rgba(148, 163, 184, 0.1);
            color: var(--text-muted);
        }

        .status-finished {
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent);
        }

        /* ========== Scene Demo ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scene-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
        }

        .scene-image-wrap img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .scene-image-wrap:hover img {
            transform: scale(1.03);
        }

        .scene-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.3) 0%, transparent 60%);
        }

        .scene-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .scene-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .scene-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .scene-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-secondary);
        }

        .scene-list li i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== Stats Grid ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-4px);
        }

        .stat-card .stat-icon {
            font-size: 30px;
            color: var(--primary-light);
            margin-bottom: 12px;
        }

        .stat-card .stat-value {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== Process Steps ========== */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-primary);
            transition: all var(--transition-base);
        }

        .step-item:hover .step-number {
            transform: scale(1.1);
            box-shadow: 0 14px 36px rgba(13, 110, 253, 0.4);
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== Deep Content ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .deep-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 14px;
            letter-spacing: -0.2px;
        }

        .deep-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 2;
            margin-bottom: 14px;
        }

        .deep-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .deep-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--text-secondary);
        }

        .deep-text ul li i {
            color: var(--primary);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .deep-image-card {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .deep-image-card img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            gap: 16px;
            transition: all var(--transition-base);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-toggle {
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1a2338 50%, #0b1120 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.3) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* ========== Fixed Bottom Bar ========== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(15, 23, 41, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
            display: none;
        }

        .fixed-cta-bar.visible {
            transform: translateY(0);
        }

        .fixed-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .fixed-cta-text {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            position: relative;
        }

        .site-footer .container {
            padding-bottom: 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 14px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-live h1 {
                font-size: 42px;
            }
            .feature-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .deep-content {
                grid-template-columns: 1fr;
            }
            .main-nav a {
                padding: 8px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: auto;
                min-height: 64px;
                padding-top: 10px;
                padding-bottom: 10px;
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                padding: 12px 0;
                background: rgba(15, 23, 41, 0.98);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 16px 24px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 14px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .btn-nav-outline {
                display: none;
            }
            .hero-live {
                min-height: auto;
                padding: 80px 0;
            }
            .hero-live h1 {
                font-size: 34px;
            }
            .hero-live .hero-sub {
                font-size: 16px;
            }
            .hero-stats-bar {
                position: relative;
                bottom: auto;
            }
            .hero-stats-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .feature-card-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .stat-value {
                font-size: 28px;
            }
            .steps-container {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .match-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .fixed-cta-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-live h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                padding: 12px 22px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .data-panel-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .brand-logo .logo-text {
                font-size: 17px;
            }
            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a53be;
            --primary-light: #3b82f6;
            --secondary: #ff6b35;
            --secondary-light: #ff8a5c;
            --accent: #10b981;
            --accent-dark: #0d9e6e;
            --dark: #0f1729;
            --dark-2: #1a2338;
            --darker: #0b1120;
            --white: #ffffff;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 41, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 41, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 23, 41, 0.16);
            --shadow-primary: 0 8px 24px rgba(13, 110, 253, 0.24);
            --shadow-secondary: 0 8px 24px rgba(255, 107, 53, 0.24);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --max-width: 1280px;
            --header-height: 64px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base), opacity var(--transition-base), background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
        }
        a:hover {
            color: var(--primary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: 72px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-pad-lg {
            padding: 96px 0;
        }
        .bg-light {
            background: var(--gray-50);
        }
        .bg-dark {
            background: var(--dark);
            color: #fff;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(13, 110, 253, 0.08);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin: 0 0 16px;
            color: var(--dark);
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 32px;
            max-width: 640px;
        }
        .text-center {
            text-align: center;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            box-shadow: var(--shadow-primary);
            flex-shrink: 0;
        }
        .brand-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-logo .logo-text span {
            color: var(--primary-light);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav a.active {
            color: #fff;
            background: rgba(13, 110, 253, 0.35);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--primary-light);
            border-radius: var(--radius-full);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-nav-outline {
            color: rgba(255, 255, 255, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .btn-nav-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-nav-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .btn-nav-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(13, 110, 253, 0.35);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(13, 110, 253, 0.4);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-primary);
        }
        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            box-shadow: var(--shadow-secondary);
        }
        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(255, 107, 53, 0.4);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-md);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--dark);
            box-shadow: var(--shadow-lg);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
            color: var(--dark);
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 16px;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 10px 18px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        /* ========== Flash Sale Hero ========== */
        .flash-hero {
            position: relative;
            padding: 72px 0 48px;
            background: radial-gradient(ellipse at 20% 20%, rgba(13, 110, 253, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 80%, rgba(255, 107, 53, 0.14) 0%, transparent 55%),
                linear-gradient(180deg, #0d1117 0%, #1a2338 100%);
            color: #fff;
            overflow: hidden;
        }
        .flash-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .flash-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .flash-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            background: rgba(255, 107, 53, 0.14);
            border: 1px solid rgba(255, 107, 53, 0.3);
            border-radius: var(--radius-lg);
            padding: 14px 22px;
            margin-bottom: 36px;
            position: relative;
            z-index: 1;
        }
        .flash-bar-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            color: #ffe8dc;
        }
        .flash-bar-text .flash-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            animation: pulse 1.8s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 107, 53, 0);
            }
        }
        .flash-countdown {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .flash-countdown .cd-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }
        .flash-countdown .cd-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            min-width: 48px;
        }
        .flash-countdown .cd-num {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .flash-countdown .cd-unit {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 500;
        }
        .flash-hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .flash-hero-content .section-label {
            background: rgba(255, 255, 255, 0.1);
            color: var(--secondary-light);
        }
        .flash-hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin: 0 0 18px;
            color: #fff;
        }
        .flash-hero-content h1 .highlight {
            color: var(--secondary-light);
        }
        .flash-hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.75;
            margin: 0 0 28px;
            max-width: 520px;
        }
        .flash-hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .flash-stat {
            text-align: left;
        }
        .flash-stat .fs-num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .flash-stat .fs-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 500;
        }
        .flash-hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .flash-product-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-xl);
            padding: 32px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition-base);
        }
        .flash-product-card:hover {
            border-color: rgba(13, 110, 253, 0.5);
            box-shadow: 0 20px 60px rgba(13, 110, 253, 0.25);
            transform: translateY(-4px);
        }
        .flash-product-card .fpc-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .flash-product-card .fpc-title {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.3;
        }
        .flash-product-card .fpc-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.65;
            margin: 0 0 18px;
        }
        .fpc-price-row {
            display: flex;
            align-items: baseline;
            gap: 10px;
            margin-bottom: 20px;
        }
        .fpc-price-current {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .fpc-price-original {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.4);
            text-decoration: line-through;
        }
        .fpc-price-save {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(16, 185, 129, 0.15);
            padding: 4px 10px;
            border-radius: var(--radius-full);
        }

        /* ========== Brand Cards ========== */
        .brand-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .brand-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(13, 110, 253, 0.25);
        }
        .brand-card .bc-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(13, 110, 253, 0.12), rgba(13, 110, 253, 0.06));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 18px;
        }
        .brand-card .bc-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 10px;
            line-height: 1.3;
        }
        .brand-card .bc-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== Data Section ========== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .data-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .data-card .dc-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }
        .data-card .dc-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
        }
        .data-card .dc-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent-dark);
        }
        .data-card .dc-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .data-card .dc-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
        }
        .data-card .dc-change.down {
            color: var(--secondary);
        }
        .data-card .dc-chart {
            margin-top: 14px;
            height: 4px;
            background: var(--gray-100);
            border-radius: var(--radius-full);
            overflow: hidden;
        }
        .data-card .dc-chart-fill {
            height: 100%;
            border-radius: var(--radius-full);
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            transition: width 1s ease;
        }

        /* ========== News Section ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .news-card .nc-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .news-card .nc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .nc-img img {
            transform: scale(1.05);
        }
        .news-card .nc-body {
            padding: 20px;
        }
        .news-card .nc-date {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }
        .news-card .nc-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.45;
            margin: 0 0 8px;
        }
        .news-card .nc-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0 0 14px;
        }
        .news-card .nc-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-base);
        }
        .news-card .nc-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ========== Feature Split ========== */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-split.reverse .fs-image {
            order: 2;
        }
        .feature-split.reverse .fs-content {
            order: 1;
        }
        .feature-split .fs-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .feature-split .fs-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .feature-split .fs-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 41, 0.4));
            pointer-events: none;
        }
        .feature-split .fs-content h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            margin: 0 0 14px;
            letter-spacing: -0.01em;
        }
        .feature-split .fs-content p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 18px;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin: 0 0 22px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .feature-list li i {
            color: var(--accent);
            font-size: 17px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== Testimonials ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card .tc-quote {
            font-size: 28px;
            color: var(--primary);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 10px;
        }
        .testimonial-card .tc-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .testimonial-card .tc-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .tc-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }
        .testimonial-card .tc-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }
        .testimonial-card .tc-role {
            font-size: 13px;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(13, 110, 253, 0.25);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-base);
            user-select: none;
        }
        .faq-item .faq-question i {
            color: var(--text-light);
            transition: transform var(--transition-base);
            font-size: 16px;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-item .faq-answer p {
            padding: 0 24px 20px;
            margin: 0;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-band {
            background: linear-gradient(135deg, var(--dark) 0%, #1a2338 50%, #0d2137 100%);
            border-radius: var(--radius-xl);
            padding: 52px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 14px;
            position: relative;
            z-index: 1;
        }
        .cta-band p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 0 0 26px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-band .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ========== Bottom Sticky CTA ========== */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(15, 23, 41, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 24px;
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }
        .sticky-cta.visible {
            display: flex;
        }
        .sticky-cta .sc-text {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .sticky-cta .sc-text .sc-highlight {
            color: var(--secondary-light);
        }
        .sticky-cta .btn {
            flex-shrink: 0;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-brand .brand-logo .logo-text {
            color: #fff;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin: 0 0 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-bottom .fb-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 0;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .flash-hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .flash-hero-content h1 {
                font-size: 36px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-split {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-split.reverse .fs-image {
                order: 1;
            }
            .feature-split.reverse .fs-content {
                order: 2;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
            }
            .section-pad {
                padding: 48px 0;
            }
            .section-pad-lg {
                padding: 64px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 15px;
            }
            .nav-actions .btn-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                transform: translateY(-12px);
                opacity: 0;
                visibility: hidden;
                transition: all var(--transition-base);
                max-height: 70vh;
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius-md);
                white-space: normal;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(13, 110, 253, 0.3);
            }
            .flash-hero {
                padding: 48px 0 36px;
            }
            .flash-hero-content h1 {
                font-size: 30px;
            }
            .flash-hero-desc {
                font-size: 15px;
            }
            .flash-bar {
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 16px;
            }
            .flash-product-card {
                padding: 22px;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .feature-split .fs-image img {
                height: 240px;
            }
            .cta-band {
                padding: 36px 24px;
            }
            .cta-band h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .sticky-cta {
                padding: 10px 16px;
            }
            .sticky-cta .sc-text {
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .flash-hero-content h1 {
                font-size: 26px;
            }
            .flash-hero-stats {
                gap: 14px;
            }
            .flash-stat .fs-num {
                font-size: 26px;
            }
            .flash-hero-cta {
                flex-direction: column;
                align-items: stretch;
            }
            .flash-hero-cta .btn {
                justify-content: center;
            }
            .flash-countdown .cd-item {
                min-width: 40px;
                padding: 4px 8px;
            }
            .flash-countdown .cd-num {
                font-size: 18px;
            }
            .fpc-price-current {
                font-size: 28px;
            }
            .btn-lg {
                padding: 14px 22px;
                font-size: 15px;
            }
            .section-label {
                font-size: 12px;
            }
            .section-title {
                font-size: 22px;
            }
            .news-card .nc-img {
                height: 150px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a53be;
            --primary-light: #3b82f6;
            --secondary: #ff6b35;
            --secondary-light: #ff8a5c;
            --accent: #10b981;
            --accent-dark: #0d9e6e;
            --dark: #0f1729;
            --dark-2: #1a2338;
            --darker: #0b1120;
            --white: #ffffff;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 41, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 41, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 23, 41, 0.16);
            --shadow-primary: 0 8px 24px rgba(13, 110, 253, 0.24);
            --shadow-secondary: 0 8px 24px rgba(255, 107, 53, 0.24);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --max-width: 1280px;
            --header-height: 64px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base), opacity var(--transition-base);
        }

        a:hover {
            color: var(--primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
            border: none;
            background: none;
            margin: 0;
            padding: 0;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.01em;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .text-primary { color: var(--primary); }
        .text-secondary { color: var(--secondary); }
        .text-accent { color: var(--accent); }
        .text-muted { color: var(--text-muted); }
        .text-white { color: var(--white); }
        .bg-dark { background: var(--dark); }
        .bg-dark-2 { background: var(--dark-2); }
        .bg-gray-50 { background: var(--gray-50); }
        .bg-gray-100 { background: var(--gray-100); }

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-padding-lg {
            padding: 96px 0;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            box-shadow: var(--shadow-primary);
            flex-shrink: 0;
        }

        .brand-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand-logo .logo-text span {
            color: var(--primary-light);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: #fff;
            background: rgba(13, 110, 253, 0.35);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary-light);
            margin-left: 4px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            min-height: 38px;
        }

        .btn-nav-outline {
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
        }

        .btn-nav-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-nav-primary {
            color: #fff;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            box-shadow: var(--shadow-secondary);
        }

        .btn-nav-primary:hover {
            color: #fff;
            box-shadow: 0 12px 32px rgba(255, 107, 53, 0.36);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.04);
            transition: all var(--transition-base);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 1px;
            transition: all var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Hero ========== */
        .hero-kv {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(rgba(15, 23, 41, 0.82), rgba(15, 23, 41, 0.68)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 96px 0 80px;
            overflow: hidden;
        }

        .hero-kv::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 20% 30%, rgba(13, 110, 253, 0.3) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(255, 107, 53, 0.25) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-kv .container {
            position: relative;
            z-index: 2;
        }

        .hero-kv-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-kv-info h1 {
            font-size: clamp(32px, 4.5vw, 56px);
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero-kv-info h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-kv-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-kv-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            min-height: 52px;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--white);
            box-shadow: var(--shadow-secondary);
        }

        .btn-hero-primary:hover {
            color: var(--white);
            box-shadow: 0 16px 40px rgba(255, 107, 53, 0.42);
            transform: translateY(-2px);
        }

        .btn-hero-outline {
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
        }

        .btn-hero-outline:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .hero-countdown-bar {
            position: relative;
            z-index: 3;
            margin-top: 28px;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 16px 24px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .hero-countdown-bar .countdown-label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .hero-countdown-bar .countdown-digits {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
        }

        .hero-countdown-bar .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 52px;
        }

        .hero-countdown-bar .countdown-num {
            font-size: 24px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .hero-countdown-bar .countdown-unit {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 1px;
        }

        .hero-countdown-bar .countdown-separator {
            font-size: 24px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-kv-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-kv-visual .hero-card {
            background: var(--dark-2);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-xl);
            width: 100%;
            max-width: 440px;
        }

        .hero-card-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(13, 110, 253, 0.2);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .hero-card-badge i {
            font-size: 13px;
        }

        .hero-card-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }

        .hero-card-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .hero-card-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero-card-row:last-child {
            border-bottom: none;
        }

        .hero-card-row .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .hero-card-row .value {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
        }

        .hero-card-row .value.up {
            color: var(--accent);
        }

        .hero-card-row .value.down {
            color: var(--secondary);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            min-height: 46px;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            box-shadow: var(--shadow-primary);
        }

        .btn-primary:hover {
            color: var(--white);
            box-shadow: 0 14px 36px rgba(13, 110, 253, 0.36);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--white);
            box-shadow: var(--shadow-secondary);
        }

        .btn-secondary:hover {
            color: var(--white);
            box-shadow: 0 14px 36px rgba(255, 107, 53, 0.36);
            transform: translateY(-2px);
        }

        .btn-outline {
            color: var(--primary);
            border: 2px solid var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }

        .btn-light {
            background: var(--white);
            color: var(--dark);
            box-shadow: var(--shadow-md);
        }

        .btn-light:hover {
            color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 16px;
            min-height: 54px;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 12px;
            min-height: 36px;
            border-radius: var(--radius-sm);
        }

        .btn-block {
            width: 100%;
        }

        /* ========== Badge / Tag ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-full);
            letter-spacing: 0.3px;
            line-height: 1.6;
        }

        .badge-primary {
            background: rgba(13, 110, 253, 0.1);
            color: var(--primary);
        }

        .badge-secondary {
            background: rgba(255, 107, 53, 0.12);
            color: var(--secondary);
        }

        .badge-accent {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-dark);
        }

        .badge-dark {
            background: rgba(15, 23, 41, 0.08);
            color: var(--dark);
        }

        .badge-light {
            background: rgba(255, 255, 255, 0.12);
            color: var(--white);
        }

        /* ========== Cards ========== */
        .card {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(13, 110, 253, 0.2);
        }

        .card-body {
            padding: 24px;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .card:hover .card-cover img {
            transform: scale(1.05);
        }

        .card-cover .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 23, 41, 0.8);
            color: var(--white);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        /* ========== Feature / Data Badge ========== */
        .data-badge-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-badge-card {
            background: var(--dark-2);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
            text-align: center;
        }

        .data-badge-card:hover {
            border-color: rgba(255, 255, 255, 0.18);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .data-badge-card .data-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
        }

        .data-badge-card .data-num .unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            margin-left: 2px;
        }

        .data-badge-card .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        .data-badge-card .data-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 8px;
            padding: 3px 10px;
            border-radius: var(--radius-full);
        }

        .data-badge-card .data-trend.up {
            color: var(--accent);
            background: rgba(16, 185, 129, 0.12);
        }

        .data-badge-card .data-trend.down {
            color: var(--secondary);
            background: rgba(255, 107, 53, 0.12);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(13, 110, 253, 0.25);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            text-align: left;
            transition: all var(--transition-base);
            cursor: pointer;
            background: none;
            border: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: all var(--transition-base);
            color: var(--text-muted);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: var(--white);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark), var(--dark-2));
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 40px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.35) 0%, transparent 65%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.25) 0%, transparent 65%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-content h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .cta-section .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .cta-section .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--darker);
            padding: 64px 0 40px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .brand-logo .logo-text {
            color: #fff;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            margin-top: 14px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 14px;
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ========== Fixed bottom conversion bar ========== */
        .fixed-conversion-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(15, 23, 41, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
            box-shadow: 0 -8px 32px rgba(15, 23, 41, 0.3);
        }

        .fixed-conversion-bar.show {
            transform: translateY(0);
        }

        .fixed-conversion-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .fixed-conversion-bar .fcb-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            flex-shrink: 1;
        }

        .fixed-conversion-bar .fcb-text strong {
            color: var(--white);
            font-weight: 700;
        }

        .fixed-conversion-bar .fcb-actions {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        /* ========== Section header ========== */
        .section-heading {
            margin-bottom: 40px;
        }

        .section-heading .badge {
            margin-bottom: 12px;
        }

        .section-heading h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.8;
            margin-top: 8px;
        }

        .section-heading.text-center {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .section-heading.text-center p {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Scenario block ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .scenario-content h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .scenario-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .scenario-content ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .scenario-content ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .scenario-content ul li i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .scenario-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scenario-visual .scenario-card {
            background: var(--dark-2);
            border-radius: var(--radius-xl);
            padding: 32px;
            width: 100%;
            max-width: 480px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-lg);
        }

        /* ========== Deep content block ========== */
        .deep-content {
            background: var(--gray-50);
            border-radius: var(--radius-xl);
            padding: 48px;
            border: 1px solid var(--border);
        }

        .deep-content h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .deep-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-top: 28px;
            margin-bottom: 10px;
        }

        .deep-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .deep-content ul,
        .deep-content ol {
            padding-left: 20px;
            margin-bottom: 16px;
        }

        .deep-content ul li,
        .deep-content ol li {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 6px;
            list-style: disc;
        }

        .deep-content ol li {
            list-style: decimal;
        }

        /* ========== Tool display ========== */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .tool-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            text-align: left;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(13, 110, 253, 0.25);
        }

        .tool-card .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(13, 110, 253, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .tool-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .tool-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Social proof ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .testimonial-card .quote-icon {
            font-size: 32px;
            color: var(--primary-light);
            opacity: 0.3;
            margin-bottom: 10px;
        }

        .testimonial-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .testimonial-card .t-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .t-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-card .t-name {
            font-size: 13px;
            font-weight: 700;
            color: var(--dark);
        }

        .testimonial-card .t-role {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 0;
            }

            .main-nav a {
                padding: 8px 10px;
                font-size: 12px;
            }

            .hero-kv-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-kv {
                min-height: auto;
                padding: 64px 0 48px;
            }

            .data-badge-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cta-section {
                grid-template-columns: 1fr;
                padding: 40px 28px;
                text-align: center;
            }

            .cta-section .cta-actions {
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
            }

            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-slow), padding var(--transition-base);
                pointer-events: none;
                opacity: 0;
            }

            .main-nav.open {
                max-height: 500px;
                pointer-events: auto;
                opacity: 1;
                padding: 16px 24px 24px;
            }

            .main-nav a {
                font-size: 14px;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-toggle {
                display: flex;
            }

            .btn-nav-outline {
                display: none;
            }

            .section-padding {
                padding: 48px 0;
            }

            .section-padding-sm {
                padding: 32px 0;
            }

            .section-padding-lg {
                padding: 64px 0;
            }

            .hero-kv-info h1 {
                font-size: 28px;
            }

            .hero-kv-desc {
                font-size: 15px;
            }

            .hero-kv-actions {
                flex-direction: column;
                gap: 10px;
            }

            .btn-hero {
                width: 100%;
                justify-content: center;
            }

            .hero-countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px 18px;
            }

            .hero-countdown-bar .countdown-num {
                font-size: 20px;
            }

            .data-badge-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .data-badge-card {
                padding: 16px;
            }

            .data-badge-card .data-num {
                font-size: 24px;
            }

            .tool-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .deep-content {
                padding: 24px 18px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .fixed-conversion-bar {
                padding: 10px 0;
            }

            .fixed-conversion-bar .container {
                flex-direction: column;
                gap: 8px;
                align-items: stretch;
                text-align: center;
            }

            .fixed-conversion-bar .fcb-actions {
                justify-content: center;
            }

            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-section .cta-content h2 {
                font-size: 22px;
            }

            .scenario-visual .scenario-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-kv {
                padding: 48px 0 36px;
            }

            .hero-kv-info h1 {
                font-size: 24px;
            }

            .hero-kv-desc {
                font-size: 14px;
            }

            .hero-countdown-bar .countdown-num {
                font-size: 18px;
            }

            .hero-countdown-bar .countdown-item {
                min-width: 40px;
            }

            .data-badge-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .section-heading h2 {
                font-size: 22px;
            }

            .deep-content h2 {
                font-size: 22px;
            }

            .deep-content h3 {
                font-size: 16px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 13px;
                min-height: 40px;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 14px;
                min-height: 46px;
            }
        }

        /* Focus states for accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        /* Truncated design system continuation */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }

            .grid-3 {
                grid-template-columns: 1fr;
            }
        }

        .mt-0 { margin-top: 0; }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mt-4 { margin-top: 32px; }
        .mt-5 { margin-top: 48px; }
        .mb-0 { margin-bottom: 0; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .mb-4 { margin-bottom: 32px; }
        .mb-5 { margin-bottom: 48px; }
        .p-0 { padding: 0; }
        .p-2 { padding: 16px; }
        .p-3 { padding: 24px; }
        .p-4 { padding: 32px; }
        .text-center { text-align: center; }
        .text-left { text-align: left; }
        .font-bold { font-weight: 700; }
        .font-extrabold { font-weight: 800; }
        .text-sm { font-size: 13px; }
        .text-base { font-size: 15px; }
        .text-lg { font-size: 17px; }
        .text-xl { font-size: 20px; }
        .w-full { width: 100%; }
        .flex-1 { flex: 1; }

/* roulang page: category5 */
:root {
        --primary: #0d6efd;
        --primary-dark: #0a53be;
        --primary-light: #3b82f6;
        --secondary: #ff6b35;
        --secondary-light: #ff8a5c;
        --accent: #10b981;
        --accent-dark: #0d9e6e;
        --dark: #0f1729;
        --dark-2: #1a2338;
        --darker: #0b1120;
        --white: #ffffff;
        --gray-50: #f8fafc;
        --gray-100: #f1f5f9;
        --gray-200: #e2e8f0;
        --gray-300: #cbd5e1;
        --gray-400: #94a3b8;
        --gray-500: #64748b;
        --gray-600: #475569;
        --gray-700: #334155;
        --text: #1e293b;
        --text-secondary: #475569;
        --text-muted: #64748b;
        --text-light: #94a3b8;
        --border: #e2e8f0;
        --border-light: #f1f5f9;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --radius-full: 9999px;
        --shadow-sm: 0 2px 8px rgba(15,23,41,0.06);
        --shadow-md: 0 6px 24px rgba(15,23,41,0.08);
        --shadow-lg: 0 16px 48px rgba(15,23,41,0.12);
        --shadow-xl: 0 24px 64px rgba(15,23,41,0.16);
        --shadow-primary: 0 8px 24px rgba(13,110,253,0.24);
        --shadow-secondary: 0 8px 24px rgba(255,107,53,0.24);
        --font-family: 'Inter','PingFang SC','Microsoft YaHei',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
        --transition-fast: 0.18s ease;
        --transition-base: 0.3s ease;
        --transition-slow: 0.5s ease;
        --max-width: 1280px;
        --header-height: 76px;
    }
    :root {
        --header-height: 64px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
        -webkit-tap-highlight-color: transparent;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text);
        background: var(--white);
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
        padding: 0;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition-base), opacity var(--transition-base);
    }
    a:hover {
        color: var(--primary);
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
        outline: none;
        border: none;
        background: none;
    }
    button {
        cursor: pointer;
    }
    ul,
    ol {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    h1,h2,h3,h4,h5,h6 {
        margin: 0;
        font-weight: 700;
        color: var(--text);
        line-height: 1.3;
    }
    p {
        margin: 0;
    }
    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    .container-wide {
        max-width: 1440px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ========== Header / Nav ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(15,23,41,0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255,255,255,0.08);
        transition: all var(--transition-base);
    }
    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-height);
        gap: 16px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .brand-logo .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: var(--radius-md);
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
        font-weight: 800;
        letter-spacing: -0.5px;
        box-shadow: var(--shadow-primary);
        flex-shrink: 0;
    }
    .brand-logo .logo-text {
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        letter-spacing: -0.3px;
        line-height: 1.2;
        white-space: nowrap;
    }
    .brand-logo .logo-text span {
        color: var(--primary-light);
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 2px;
        flex-wrap: wrap;
    }
    .main-nav a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 16px;
        font-size: 14px;
        font-weight: 500;
        color: rgba(255,255,255,0.72);
        border-radius: var(--radius-full);
        transition: all var(--transition-base);
        white-space: nowrap;
        position: relative;
    }
    .main-nav a:hover {
        color: #fff;
        background: rgba(255,255,255,0.1);
    }
    .main-nav a.active {
        color: #fff;
        background: rgba(13,110,253,0.28);
        font-weight: 600;
    }
    .main-nav a.active::after {
        content: '';
        position: absolute;
        bottom: 4px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        border-radius: 2px;
        background: var(--primary-light);
    }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .btn-nav {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 18px;
        font-size: 14px;
        font-weight: 600;
        border-radius: var(--radius-full);
        transition: all var(--transition-base);
        white-space: nowrap;
        line-height: 1.4;
    }
    .btn-nav-outline {
        color: #fff;
        border: 1px solid rgba(255,255,255,0.3);
        background: transparent;
    }
    .btn-nav-outline:hover {
        background: rgba(255,255,255,0.1);
        border-color: rgba(255,255,255,0.5);
        color: #fff;
    }
    .btn-nav-primary {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        box-shadow: var(--shadow-primary);
    }
    .btn-nav-primary:hover {
        background: linear-gradient(135deg, var(--primary-light), var(--primary));
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 12px 32px rgba(13,110,253,0.35);
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        width: 40px;
        height: 40px;
        padding: 0;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-sm);
        background: transparent;
        border: 1px solid rgba(255,255,255,0.2);
    }
    .nav-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: #fff;
        border-radius: 2px;
        transition: all var(--transition-base);
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* ========== Buttons ========== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 28px;
        font-size: 15px;
        font-weight: 600;
        border-radius: var(--radius-full);
        transition: all var(--transition-base);
        line-height: 1.5;
        letter-spacing: 0.02em;
        cursor: pointer;
        border: 2px solid transparent;
    }
    .btn:hover {
        transform: translateY(-2px);
    }
    .btn:focus-visible {
        outline: 3px solid rgba(13,110,253,0.4);
        outline-offset: 2px;
    }
    .btn:active {
        transform: translateY(0);
    }
    .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        box-shadow: var(--shadow-primary);
    }
    .btn-primary:hover {
        background: linear-gradient(135deg, var(--primary-light), var(--primary));
        color: #fff;
        box-shadow: 0 14px 36px rgba(13,110,253,0.38);
    }
    .btn-secondary {
        background: linear-gradient(135deg, var(--secondary), #e0552b);
        color: #fff;
        box-shadow: var(--shadow-secondary);
    }
    .btn-secondary:hover {
        background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
        color: #fff;
        box-shadow: 0 14px 36px rgba(255,107,53,0.38);
    }
    .btn-outline-light {
        background: transparent;
        color: #fff;
        border-color: rgba(255,255,255,0.4);
    }
    .btn-outline-light:hover {
        background: rgba(255,255,255,0.1);
        border-color: rgba(255,255,255,0.7);
        color: #fff;
    }
    .btn-outline-primary {
        background: transparent;
        color: var(--primary);
        border-color: var(--primary);
    }
    .btn-outline-primary:hover {
        background: var(--primary);
        color: #fff;
    }
    .btn-lg {
        padding: 16px 36px;
        font-size: 16px;
    }
    .btn-sm {
        padding: 10px 20px;
        font-size: 13px;
    }

    /* ========== Badge / Tag ========== */
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        font-size: 12px;
        font-weight: 600;
        border-radius: var(--radius-full);
        letter-spacing: 0.03em;
        line-height: 1.4;
        white-space: nowrap;
    }
    .badge-primary {
        background: rgba(13,110,253,0.12);
        color: var(--primary);
    }
    .badge-secondary {
        background: rgba(255,107,53,0.12);
        color: var(--secondary);
    }
    .badge-accent {
        background: rgba(16,185,129,0.12);
        color: var(--accent-dark);
    }
    .badge-warm {
        background: rgba(255,193,7,0.18);
        color: #b8860b;
    }
    .badge-dark {
        background: rgba(15,23,41,0.8);
        color: #fff;
    }
    .badge-light {
        background: rgba(255,255,255,0.92);
        color: var(--text);
        box-shadow: var(--shadow-sm);
    }
    .badge-pulse {
        animation: badgePulse 2s ease-in-out infinite;
    }
    @keyframes badgePulse {
        0%,100% { opacity: 1; }
        50% { opacity: 0.65; }
    }

    /* ========== Section Base ========== */
    .section {
        padding: 72px 0;
        position: relative;
    }
    .section-tight {
        padding: 48px 0;
    }
    .section-dark {
        background: var(--dark);
        color: #fff;
    }
    .section-dark h2,
    .section-dark h3,
    .section-dark h4 {
        color: #fff;
    }
    .section-gray {
        background: var(--gray-50);
    }
    .section-accent-gradient {
        background: linear-gradient(160deg, #0f1729 0%, #1a2338 55%, #0d1f4a 100%);
    }
    .section-header {
        margin-bottom: 48px;
    }
    .section-header .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        letter-spacing: 0.06em;
        text-transform: uppercase;
        margin-bottom: 16px;
    }
    .section-header h2 {
        font-size: 32px;
        letter-spacing: -0.02em;
        margin-bottom: 12px;
    }
    .section-header .section-desc {
        font-size: 16px;
        color: var(--text-muted);
        max-width: 680px;
        line-height: 1.8;
    }

    /* ========== Hero Category ========== */
    .hero-cat {
        position: relative;
        min-height: 640px;
        display: flex;
        align-items: center;
        padding: 72px 0 56px;
        background: linear-gradient(150deg, #0f1729 0%, #1a2338 40%, #0b1120 100%);
        overflow: hidden;
        color: #fff;
    }
    .hero-cat::before {
        content: '';
        position: absolute;
        top: -60%;
        right: -20%;
        width: 700px;
        height: 700px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(13,110,253,0.22) 0%, transparent 68%);
        pointer-events: none;
    }
    .hero-cat::after {
        content: '';
        position: absolute;
        bottom: -40%;
        left: -10%;
        width: 500px;
        height: 500px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(255,107,53,0.1) 0%, transparent 60%);
        pointer-events: none;
    }
    .hero-cat-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.12;
        z-index: 0;
        pointer-events: none;
    }
    .hero-cat .container {
        position: relative;
        z-index: 1;
        width: 100%;
    }
    .hero-cat-grid {
        display: grid;
        grid-template-columns: 1.05fr 0.95fr;
        gap: 60px;
        align-items: center;
    }
    .hero-cat-content .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(255,255,255,0.55);
        margin-bottom: 20px;
        flex-wrap: wrap;
    }
    .hero-cat-content .breadcrumb a {
        color: rgba(255,255,255,0.55);
    }
    .hero-cat-content .breadcrumb a:hover {
        color: #fff;
    }
    .hero-cat-content .breadcrumb .sep {
        opacity: 0.5;
    }
    .hero-cat-content .breadcrumb .current {
        color: var(--primary-light);
        font-weight: 500;
    }
    .hero-cat-content h1 {
        font-size: 44px;
        font-weight: 800;
        letter-spacing: -0.03em;
        color: #fff;
        line-height: 1.15;
        margin-bottom: 20px;
    }
    .hero-cat-content h1 .highlight {
        background: linear-gradient(135deg, var(--primary-light), #61a5ff);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
    .hero-cat-content .hero-cat-desc {
        font-size: 17px;
        color: rgba(255,255,255,0.72);
        line-height: 1.85;
        max-width: 560px;
        margin-bottom: 28px;
    }
    .hero-cat-metrics {
        display: flex;
        flex-wrap: wrap;
        gap: 18px;
        margin-bottom: 32px;
    }
    .hero-cat-metric {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .hero-cat-metric .metric-value {
        font-size: 28px;
        font-weight: 800;
        color: #fff;
        letter-spacing: -0.02em;
    }
    .hero-cat-metric .metric-label {
        font-size: 12px;
        color: rgba(255,255,255,0.5);
        font-weight: 500;
    }
    .hero-cat-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        align-items: center;
    }
    .hero-cat-visual {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .hero-cat-card-wrapper {
        position: relative;
        width: 100%;
        max-width: 460px;
        transform: perspective(1200px) rotateY(-6deg);
        transition: transform var(--transition-slow);
    }
    .hero-cat-card-wrapper:hover {
        transform: perspective(1200px) rotateY(0deg);
    }
    .hero-cat-card {
        background: rgba(255,255,255,0.06);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid rgba(255,255,255,0.14);
        border-radius: var(--radius-xl);
        padding: 32px;
        box-shadow: 0 30px 80px rgba(0,0,0,0.45);
    }
    .hero-cat-card .card-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 24px;
    }
    .hero-cat-card .card-header .player-badge {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .hero-cat-card .player-avatar {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        flex-shrink: 0;
    }
    .hero-cat-card .player-info .player-name {
        font-size: 16px;
        font-weight: 700;
        color: #fff;
    }
    .hero-cat-card .player-info .player-team {
        font-size: 12px;
        color: rgba(255,255,255,0.5);
    }
    .hero-cat-card .hot-badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 12px;
        font-weight: 600;
        color: #ff6b35;
        background: rgba(255,107,53,0.15);
        padding: 5px 12px;
        border-radius: var(--radius-full);
    }
    .hero-cat-card .card-stat-row {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin-bottom: 20px;
    }
    .hero-cat-card .stat-pill {
        flex: 1;
        min-width: 90px;
        background: rgba(255,255,255,0.08);
        border-radius: var(--radius-md);
        padding: 14px 16px;
        text-align: center;
    }
    .hero-cat-card .stat-pill .stat-num {
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        line-height: 1.2;
    }
    .hero-cat-card .stat-pill .stat-cap {
        font-size: 11px;
        color: rgba(255,255,255,0.55);
        margin-top: 4px;
    }
    .hero-cat-card .card-trend {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        color: rgba(255,255,255,0.65);
        padding: 10px 0;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .hero-cat-card .card-trend .trend-up {
        color: #10b981;
        font-weight: 700;
    }
    .hero-cat-image {
        position: absolute;
        bottom: -30px;
        right: -40px;
        width: 180px;
        height: 180px;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: 0 20px 50px rgba(0,0,0,0.4);
        border: 2px solid rgba(255,255,255,0.2);
        z-index: 2;
        display: none;
    }

    /* ========== Banner Data Strip ========== */
    .data-strip {
        padding: 32px 0;
        background: #fff;
        border-bottom: 1px solid var(--border-light);
    }
    .data-strip-grid {
        display: grid;
        grid-template-columns: repeat(4,1fr);
        gap: 24px;
    }
    .data-strip-item {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 18px 22px;
        background: var(--gray-50);
        border-radius: var(--radius-md);
        transition: all var(--transition-base);
    }
    .data-strip-item:hover {
        background: #fff;
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .data-strip-item .ds-icon {
        width: 44px;
        height: 44px;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        flex-shrink: 0;
    }
    .data-strip-item .ds-icon.blue {
        background: rgba(13,110,253,0.12);
        color: var(--primary);
    }
    .data-strip-item .ds-icon.orange {
        background: rgba(255,107,53,0.12);
        color: var(--secondary);
    }
    .data-strip-item .ds-icon.green {
        background: rgba(16,185,129,0.12);
        color: var(--accent-dark);
    }
    .data-strip-item .ds-icon.purple {
        background: rgba(139,92,246,0.12);
        color: #7c3aed;
    }
    .data-strip-item .ds-info .ds-value {
        font-size: 20px;
        font-weight: 800;
        color: var(--text);
        line-height: 1.2;
    }
    .data-strip-item .ds-info .ds-label {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: 2px;
    }

    /* ========== Feature Cards ========== */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(3,1fr);
        gap: 28px;
    }
    .feature-card {
        background: #fff;
        border-radius: var(--radius-xl);
        padding: 36px 30px;
        border: 1px solid var(--border-light);
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
    }
    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--primary-light));
        opacity: 0;
        transition: opacity var(--transition-base);
    }
    .feature-card:hover {
        box-shadow: var(--shadow-xl);
        transform: translateY(-6px);
        border-color: rgba(13,110,253,0.2);
    }
    .feature-card:hover::before {
        opacity: 1;
    }
    .feature-card .fc-icon {
        width: 56px;
        height: 56px;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin-bottom: 24px;
        background: linear-gradient(135deg, rgba(13,110,253,0.1), rgba(59,130,246,0.08));
        color: var(--primary);
    }
    .feature-card h3 {
        font-size: 19px;
        margin-bottom: 12px;
        letter-spacing: -0.01em;
    }
    .feature-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.8;
        margin-bottom: 16px;
    }
    .feature-card .fc-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .feature-card .fc-link i {
        transition: transform var(--transition-base);
    }
    .feature-card .fc-link:hover i {
        transform: translateX(4px);
    }
    .feature-card .fc-tag {
        position: absolute;
        top: 18px;
        right: 18px;
    }

    /* ========== Deep Insight Panel ========== */
    .insight-panel {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }
    .insight-panel-image {
        position: relative;
        border-radius: var(--radius-xl);
        overflow: hidden;
        box-shadow: var(--shadow-xl);
    }
    .insight-panel-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        aspect-ratio: 4/3;
    }
    .insight-panel-image .overlay-tag {
        position: absolute;
        bottom: 18px;
        left: 18px;
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }
    .insight-panel-content h2 {
        font-size: 30px;
        margin-bottom: 18px;
        letter-spacing: -0.015em;
    }
    .insight-panel-content .ip-desc {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.85;
        margin-bottom: 24px;
    }
    .insight-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .insight-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    .insight-list li .li-icon {
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: rgba(16,185,129,0.12);
        color: var(--accent-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        flex-shrink: 0;
        margin-top: 2px;
    }

    /* ========== Scenario ========== */
    .scenario-grid {
        display: grid;
        grid-template-columns: repeat(2,1fr);
        gap: 28px;
    }
    .scenario-card {
        display: flex;
        gap: 20px;
        background: #fff;
        border-radius: var(--radius-lg);
        padding: 30px;
        border: 1px solid var(--border-light);
        transition: all var(--transition-base);
    }
    .scenario-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-3px);
    }
    .scenario-card .sc-img {
        width: 90px;
        height: 90px;
        border-radius: var(--radius-md);
        object-fit: cover;
        flex-shrink: 0;
    }
    .scenario-card .sc-body h3 {
        font-size: 17px;
        margin-bottom: 8px;
    }
    .scenario-card .sc-body p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.75;
    }
    .scenario-card .sc-body .sc-tag {
        margin-top: 12px;
    }

    /* ========== Compare Table ========== */
    .compare-wrap {
        background: #fff;
        border-radius: var(--radius-xl);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border-light);
    }
    .compare-header {
        display: grid;
        grid-template-columns: 1.2fr 1fr 1fr;
        background: linear-gradient(135deg, var(--dark), var(--dark-2));
        color: #fff;
        font-size: 14px;
        font-weight: 600;
    }
    .compare-header > div {
        padding: 18px 24px;
        text-align: center;
    }
    .compare-header > div:first-child {
        text-align: left;
    }
    .compare-row {
        display: grid;
        grid-template-columns: 1.2fr 1fr 1fr;
        font-size: 14px;
        color: var(--text-secondary);
        border-bottom: 1px solid var(--border-light);
        transition: background var(--transition-fast);
    }
    .compare-row:hover {
        background: var(--gray-50);
    }
    .compare-row > div {
        padding: 18px 24px;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    .compare-row > div:first-child {
        text-align: left;
        justify-content: flex-start;
        font-weight: 600;
        color: var(--text);
    }
    .compare-row .strong {
        font-weight: 700;
        color: var(--primary);
    }
    .compare-row .up {
        color: var(--accent-dark);
        font-weight: 600;
    }
    .compare-row .down {
        color: #dc2626;
        font-weight: 600;
    }

    /* ========== Testimonial ========== */
    .testimonial-grid {
        display: grid;
        grid-template-columns: repeat(3,1fr);
        gap: 28px;
    }
    .testimonial-card {
        background: rgba(255,255,255,0.06);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(255,255,255,0.12);
        border-radius: var(--radius-lg);
        padding: 32px;
        transition: all var(--transition-base);
    }
    .testimonial-card:hover {
        background: rgba(255,255,255,0.1);
        transform: translateY(-4px);
    }
    .testimonial-card .t-quote {
        font-size: 13px;
        color: rgba(255,255,255,0.75);
        line-height: 1.8;
        margin-bottom: 20px;
        position: relative;
        padding-left: 20px;
    }
    .testimonial-card .t-quote::before {
        content: '\201C';
        position: absolute;
        left: 0;
        top: -7px;
        font-size: 40px;
        color: var(--primary-light);
        font-weight: 700;
        line-height: 1;
    }
    .testimonial-card .t-author {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .testimonial-card .t-author .avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 14px;
        font-weight: 700;
    }
    .testimonial-card .t-author .t-name {
        font-size: 14px;
        font-weight: 600;
        color: #fff;
    }
    .testimonial-card .t-author .t-role {
        font-size: 12px;
        color: rgba(255,255,255,0.5);
    }

    /* ========== FAQ ========== */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .faq-item {
        background: #fff;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: all var(--transition-base);
    }
    .faq-item.active {
        box-shadow: var(--shadow-md);
        border-color: rgba(13,110,253,0.25);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 24px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
        text-align: left;
        cursor: pointer;
        transition: all var(--transition-base);
        background: transparent;
    }
    .faq-question:hover {
        color: var(--primary);
    }
    .faq-question .fq-icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--gray-100);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        color: var(--text-muted);
        flex-shrink: 0;
        transition: all var(--transition-base);
    }
    .faq-item.active .faq-question .fq-icon {
        background: rgba(13,110,253,0.12);
        color: var(--primary);
        transform: rotate(45deg);
    }
    .faq-answer {
        display: none;
        padding: 0 24px 22px;
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
    }
    .faq-item.active .faq-answer {
        display: block;
    }

    /* ========== CTA Section ========== */
    .cta-section {
        padding: 72px 0;
        background: linear-gradient(135deg, var(--primary-dark), var(--primary), #3b82f6);
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -10%;
        width: 500px;
        height: 500px;
        border-radius: 50%;
        background: rgba(255,255,255,0.08);
        pointer-events: none;
    }
    .cta-section::after {
        content: '';
        position: absolute;
        bottom: -50%;
        right: -10%;
        width: 600px;
        height: 600px;
        border-radius: 50%;
        background: rgba(255,255,255,0.06);
        pointer-events: none;
    }
    .cta-section .container {
        position: relative;
        z-index: 1;
        text-align: center;
    }
    .cta-section h2 {
        font-size: 34px;
        color: #fff;
        letter-spacing: -0.02em;
        margin-bottom: 14px;
    }
    .cta-section .cta-desc {
        font-size: 16px;
        color: rgba(255,255,255,0.82);
        max-width: 560px;
        margin: 0 auto 32px;
        line-height: 1.8;
    }
    .cta-section .btn {
        background: #fff;
        color: var(--primary);
        box-shadow: 0 10px 32px rgba(0,0,0,0.2);
    }
    .cta-section .btn:hover {
        background: var(--gray-50);
        color: var(--primary-dark);
        transform: translateY(-3px);
        box-shadow: 0 18px 44px rgba(0,0,0,0.28);
    }

    /* ========== Bottom Fix Bar ========== */
    .bottom-fix-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        background: rgba(15,23,41,0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid rgba(255,255,255,0.12);
        padding: 14px 0;
        transform: translateY(100%);
        transition: transform var(--transition-slow);
    }
    .bottom-fix-bar.visible {
        transform: translateY(0);
    }
    .bottom-fix-bar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }
    .bottom-fix-bar .bfb-text {
        color: #fff;
        font-size: 14px;
        font-weight: 500;
    }
    .bottom-fix-bar .bfb-text strong {
        color: var(--primary-light);
    }
    .bottom-fix-bar .bfb-actions {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: var(--dark);
        color: rgba(255,255,255,0.7);
        padding: 60px 0 24px;
        font-size: 14px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.3fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .brand-logo {
        margin-bottom: 14px;
    }
    .footer-brand-desc {
        font-size: 13px;
        color: rgba(255,255,255,0.55);
        line-height: 1.8;
        max-width: 320px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 18px;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-col ul a {
        font-size: 13px;
        color: rgba(255,255,255,0.55);
        transition: all var(--transition-base);
    }
    .footer-col ul a:hover {
        color: var(--primary-light);
        padding-left: 4px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        font-size: 12px;
        color: rgba(255,255,255,0.45);
    }
    .footer-bottom a {
        color: rgba(255,255,255,0.55);
    }
    .footer-bottom a:hover {
        color: #fff;
    }
    .footer-bottom .fblinks {
        display: flex;
        gap: 18px;
        flex-wrap: wrap;
    }

    /* ========== Responsive ========== */
    @media (max-width: 1024px) {
        .hero-cat-grid {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .hero-cat-content h1 {
            font-size: 36px;
        }
        .hero-cat-visual {
            order: 2;
        }
        .hero-cat-card-wrapper {
            transform: none;
        }
        .data-strip-grid {
            grid-template-columns: repeat(2,1fr);
        }
        .feature-grid {
            grid-template-columns: repeat(2,1fr);
        }
        .insight-panel {
            grid-template-columns: 1fr;
        }
        .scenario-grid {
            grid-template-columns: 1fr;
        }
        .testimonial-grid {
            grid-template-columns: repeat(2,1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 768px) {
        :root {
            --header-height: 60px;
        }
        .main-nav {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(15,23,41,0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            flex-direction: column;
            padding: 16px 24px 24px;
            gap: 2px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            z-index: 999;
        }
        .main-nav.open {
            display: flex;
        }
        .main-nav a {
            width: 100%;
            padding: 14px 18px;
            font-size: 15px;
            border-radius: var(--radius-md);
        }
        .main-nav a.active::after {
            display: none;
        }
        .nav-actions .btn-nav-outline {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .section {
            padding: 48px 0;
        }
        .section-header h2 {
            font-size: 26px;
        }
        .hero-cat {
            min-height: auto;
            padding: 48px 0 40px;
        }
        .hero-cat-content h1 {
            font-size: 28px;
        }
        .hero-cat-content .hero-cat-desc {
            font-size: 15px;
        }
        .hero-cat-metrics {
            gap: 12px;
        }
        .hero-cat-metric .metric-value {
            font-size: 22px;
        }
        .data-strip-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .data-strip-item {
            padding: 14px 18px;
        }
        .feature-grid {
            grid-template-columns: 1fr;
        }
        .compare-header,
        .compare-row {
            grid-template-columns: 1.2fr 0.9fr 0.9fr;
            font-size: 12px;
        }
        .compare-header > div,
        .compare-row > div {
            padding: 12px 12px;
        }
        .testimonial-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .bottom-fix-bar .container {
            flex-direction: column;
            align-items: flex-start;
        }
        .bottom-fix-bar .bfb-actions {
            width: 100%;
        }
        .bottom-fix-bar .bfb-actions .btn {
            flex: 1;
            justify-content: center;
        }
        .btn {
            padding: 12px 22px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }
        .insight-panel-content h2 {
            font-size: 24px;
        }
        .cta-section h2 {
            font-size: 26px;
        }
    }
    @media (max-width: 520px) {
        .container,
        .container-wide {
            padding: 0 16px;
        }
        .hero-cat-content h1 {
            font-size: 24px;
        }
        .hero-cat-actions {
            flex-direction: column;
            align-items: stretch;
        }
        .hero-cat-actions .btn {
            justify-content: center;
        }
        .hero-cat-card {
            padding: 22px;
        }
        .hero-cat-card .card-stat-row {
            gap: 8px;
        }
        .hero-cat-card .stat-pill {
            min-width: 70px;
            padding: 10px 12px;
        }
        .hero-cat-card .stat-pill .stat-num {
            font-size: 18px;
        }
        .section-header h2 {
            font-size: 22px;
        }
        .compare-header,
        .compare-row {
            grid-template-columns: 1.1fr 0.85fr 0.85fr;
            font-size: 11px;
        }
        .compare-header > div,
        .compare-row > div {
            padding: 10px 8px;
        }
        .scenario-card {
            flex-direction: column;
            padding: 20px;
        }
        .scenario-card .sc-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .brand-logo .logo-text {
            font-size: 17px;
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }
    }

/* roulang page: category6 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a53be;
            --primary-light: #3b82f6;
            --secondary: #ff6b35;
            --secondary-light: #ff8a5c;
            --accent: #10b981;
            --accent-dark: #0d9e6e;
            --dark: #0f1729;
            --dark-2: #1a2338;
            --darker: #0b1120;
            --white: #ffffff;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 41, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 41, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 23, 41, 0.16);
            --shadow-primary: 0 8px 24px rgba(13, 110, 253, 0.24);
            --shadow-secondary: 0 8px 24px rgba(255, 107, 53, 0.24);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --max-width: 1280px;
            --header-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base), opacity var(--transition-base), background var(--transition-base);
        }
        a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Foundation 微调 */
        .row {
            max-width: 100%;
        }
        .column,
        .columns {
            padding-left: 12px;
            padding-right: 12px;
        }
        .row .row {
            margin-left: -12px;
            margin-right: -12px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            box-shadow: var(--shadow-primary);
            flex-shrink: 0;
        }
        .brand-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-logo .logo-text span {
            color: var(--primary-light);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav a.active {
            color: #fff;
            background: rgba(13, 110, 253, 0.22);
            box-shadow: inset 0 0 0 1px rgba(13, 110, 253, 0.32);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 9999px;
            background: var(--primary-light);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: -0.2px;
        }
        .btn-nav-outline {
            border: 1px solid rgba(255, 255, 255, 0.28);
            color: #fff;
            background: transparent;
        }
        .btn-nav-outline:hover {
            border-color: rgba(255, 255, 255, 0.55);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .btn-nav-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .btn-nav-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 12px 32px rgba(13, 110, 253, 0.36);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            background: transparent;
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            letter-spacing: -0.2px;
            cursor: pointer;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: var(--shadow-primary);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 40px rgba(13, 110, 253, 0.38);
            color: #fff;
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-outline:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.5);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            box-shadow: var(--shadow-secondary);
        }
        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 40px rgba(255, 107, 53, 0.38);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.65);
            color: #fff;
            backdrop-filter: blur(8px);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            color: #fff;
        }
        .btn-dark {
            background: var(--dark);
            color: #fff;
            border: none;
        }
        .btn-dark:hover {
            background: var(--dark-2);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 18px 36px;
            font-size: 18px;
        }
        .btn-block {
            width: 100%;
        }

        /* ========== Badges ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-full);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }
        .badge-primary {
            background: rgba(13, 110, 253, 0.12);
            color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(13, 110, 253, 0.25);
        }
        .badge-secondary {
            background: rgba(255, 107, 53, 0.12);
            color: var(--secondary);
            box-shadow: inset 0 0 0 1px rgba(255, 107, 53, 0.25);
        }
        .badge-accent {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent);
            box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.25);
        }
        .badge-white {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
        }
        .badge-lg {
            padding: 10px 18px;
            font-size: 14px;
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: #fff;
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-md);
            font-weight: 700;
            font-size: 15px;
            color: var(--dark);
            letter-spacing: -0.2px;
        }
        .data-badge i {
            color: var(--primary);
        }
        .data-badge .num {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
        }

        /* ========== Hero ========== */
        .hero-calendar {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0 90px;
            overflow: hidden;
        }
        .hero-calendar::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(125deg, rgba(11,17,32,0.88) 0%, rgba(15,23,41,0.72) 45%, rgba(13,110,253,0.55) 100%);
            z-index: 1;
        }
        .hero-calendar::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, rgba(59,130,246,0) 70%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-calendar .container {
            position: relative;
            z-index: 3;
        }
        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-full);
            padding: 10px 22px;
            font-size: 15px;
            color: #fff;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 28px;
        }
        .countdown-bar .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }
        .countdown-bar .time {
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            letter-spacing: 1px;
            color: var(--secondary-light);
        }
        .hero-calendar h1 {
            font-size: 52px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -2px;
            line-height: 1.15;
            margin-bottom: 22px;
            max-width: 750px;
        }
        .hero-calendar h1 span {
            background: linear-gradient(135deg, #60a5fa, #93c5fd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-calendar .hero-sub {
            font-size: 19px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 34px;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-metrics {
            display: flex;
            gap: 32px;
            margin-top: 44px;
            flex-wrap: wrap;
        }
        .hero-metric {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hero-metric .metric-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
        }
        .hero-metric .metric-text {
            color: #fff;
        }
        .hero-metric .metric-text strong {
            display: block;
            font-size: 24px;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .hero-metric .metric-text span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== Section Base ========== */
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-lg {
            padding: 96px 0;
        }
        .section-dark {
            background: var(--dark);
            color: #fff;
        }
        .section-gray {
            background: var(--gray-50);
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -1.5px;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--dark);
        }
        .section-desc {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 40px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        /* ========== Cards ========== */
        .big-card {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .big-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .big-card .card-body {
            padding: 32px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 28px;
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 110, 253, 0.2);
        }
        .feature-card .card-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 18px;
            flex-shrink: 0;
        }
        .feature-card .card-icon.blue {
            background: rgba(13, 110, 253, 0.14);
            color: var(--primary);
        }
        .feature-card .card-icon.orange {
            background: rgba(255, 107, 53, 0.14);
            color: var(--secondary);
        }
        .feature-card .card-icon.green {
            background: rgba(16, 185, 129, 0.14);
            color: var(--accent);
        }
        .feature-card h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .feature-card .card-badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .league-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .league-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 110, 253, 0.22);
        }
        .league-card img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .league-card .league-body {
            padding: 22px 24px;
        }
        .league-card .league-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .league-card .league-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== Stats Panel ========== */
        .stats-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .stat-block {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .stat-block:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.22);
            transform: translateY(-4px);
        }
        .stat-block .stat-num {
            font-size: 44px;
            font-weight: 800;
            letter-spacing: -2px;
            line-height: 1.1;
            color: #fff;
            margin-bottom: 6px;
        }
        .stat-block .stat-num span {
            font-size: 22px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0;
        }
        .stat-block .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }

        /* ========== Steps ========== */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .step-item {
            position: relative;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 110, 253, 0.2);
        }
        .step-item .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-primary);
        }
        .step-item h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(13, 110, 253, 0.25);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 26px;
            cursor: pointer;
            font-weight: 700;
            font-size: 16px;
            color: var(--dark);
            letter-spacing: -0.2px;
            transition: all var(--transition-base);
            width: 100%;
            text-align: left;
            background: transparent;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            flex-shrink: 0;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition-base);
        }
        .faq-item.open .faq-question i {
            background: rgba(13, 110, 253, 0.14);
            color: var(--primary);
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 26px;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 26px 22px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== CTA ========== */
        .cta-panel {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 55%, #17244a 100%);
            border-radius: var(--radius-xl);
            padding: 60px 52px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(59,130,246,0.25) 0%, rgba(59,130,246,0) 70%);
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1.5px;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .cta-panel p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.68);
            line-height: 1.8;
            max-width: 580px;
            margin-bottom: 28px;
        }

        /* ========== Sticky CTA Bar ========== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(15, 23, 41, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 14px 0;
            transform: translateY(100%);
            transition: transform var(--transition-base);
            box-shadow: 0 -8px 32px rgba(15, 23, 41, 0.32);
        }
        .sticky-cta-bar.visible {
            transform: translateY(0);
        }
        .sticky-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .sticky-cta-bar .cta-info {
            display: flex;
            align-items: center;
            gap: 14px;
            color: #fff;
        }
        .sticky-cta-bar .cta-info i {
            font-size: 22px;
            color: var(--primary-light);
        }
        .sticky-cta-bar .cta-info span {
            font-size: 15px;
            font-weight: 600;
        }
        .sticky-cta-bar .cta-info small {
            display: block;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 400;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--darker);
            padding: 64px 0 32px;
            color: rgba(255, 255, 255, 0.72);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            margin-top: 16px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.2px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover {
            color: #fff;
            transform: translateX(3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-bottom .legal-links a {
            color: rgba(255, 255, 255, 0.4);
            transition: all var(--transition-base);
        }
        .footer-bottom .legal-links a:hover {
            color: #fff;
        }

        /* ========== Feature Split ========== */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .split-block.reverse {
            direction: rtl;
        }
        .split-block.reverse > * {
            direction: ltr;
        }
        .split-text h3 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--dark);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .split-text p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .split-text ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .split-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .split-text ul li i {
            color: var(--accent);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .split-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .split-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .split-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,23,41,0.1) 0%, rgba(15,23,41,0.35) 100%);
            pointer-events: none;
        }
        .image-badge-float {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            color: var(--dark);
            font-size: 15px;
        }
        .image-badge-float i {
            color: var(--primary);
            font-size: 20px;
        }
        .scene-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition-base);
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 110, 253, 0.2);
        }
        .scene-card .scene-avatar {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .scene-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 24px;
            height: 100%;
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .testi-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .testimonial-card .testi-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .testimonial-card .testi-name {
            font-weight: 700;
            font-size: 15px;
            color: var(--dark);
        }
        .testimonial-card .testi-role {
            font-size: 13px;
            color: var(--text-muted);
        }
        .testimonial-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .testi-stars {
            color: #f59e0b;
            font-size: 13px;
            margin-bottom: 10px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .hero-calendar h1 {
                font-size: 40px;
                letter-spacing: -1.5px;
            }
            .stats-panel {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .split-block.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-panel {
                padding: 44px 36px;
            }
            .cta-panel h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 16px 24px 24px;
                border-bottom: 1px solid rgba(255,255,255,0.08);
                box-shadow: var(--shadow-xl);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 18px;
                font-size: 15px;
                border-radius: 12px;
                width: 100%;
            }
            .main-nav a.active::after {
                display: none;
            }
            .nav-actions .btn-nav-outline {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-calendar {
                min-height: auto;
                padding: 56px 0 64px;
            }
            .hero-calendar h1 {
                font-size: 32px;
                letter-spacing: -1px;
            }
            .hero-calendar .hero-sub {
                font-size: 16px;
            }
            .hero-metrics {
                gap: 18px;
                margin-top: 28px;
            }
            .hero-metric .metric-text strong {
                font-size: 18px;
            }
            .countdown-bar {
                font-size: 13px;
                padding: 8px 16px;
                gap: 10px;
                flex-wrap: wrap;
            }
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 64px 0;
            }
            .section-title {
                font-size: 28px;
                letter-spacing: -1px;
            }
            .stats-panel {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-block {
                padding: 20px 16px;
            }
            .stat-block .stat-num {
                font-size: 32px;
                letter-spacing: -1px;
            }
            .steps-flow {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .step-item {
                padding: 20px 16px;
            }
            .cta-panel {
                padding: 32px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-panel h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 10px;
            }
            .hero-actions {
                gap: 10px;
            }
            .hero-actions .btn {
                padding: 12px 20px;
                font-size: 14px;
                white-space: normal;
            }
            .sticky-cta-bar .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
                padding: 10px 16px;
            }
            .sticky-cta-bar .cta-info {
                flex-direction: column;
                gap: 4px;
                text-align: center;
            }
            .btn-nav-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-calendar h1 {
                font-size: 26px;
            }
            .hero-metrics {
                flex-wrap: wrap;
                gap: 14px;
            }
            .stats-panel {
                grid-template-columns: 1fr;
            }
            .steps-flow {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 24px;
            }
            .feature-card {
                padding: 22px 18px;
            }
            .btns-row {
                flex-direction: column;
                gap: 10px;
            }
            .split-image img {
                height: 260px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a53be;
            --primary-light: #3b82f6;
            --secondary: #ff6b35;
            --secondary-light: #ff8a5c;
            --accent: #10b981;
            --accent-dark: #0d9e6e;
            --dark: #0f1729;
            --dark-2: #1a2338;
            --darker: #0b1120;
            --white: #ffffff;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 41, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 41, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 23, 41, 0.16);
            --shadow-primary: 0 8px 24px rgba(13, 110, 253, 0.24);
            --shadow-secondary: 0 8px 24px rgba(255, 107, 53, 0.24);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --max-width: 1280px;
            --header-height: 64px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
        }
        a:hover {
            color: var(--primary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            box-shadow: var(--shadow-primary);
            flex-shrink: 0;
        }
        .brand-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-logo .logo-text span {
            color: var(--primary-light);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }
        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-nav-outline {
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
            background: transparent;
        }
        .btn-nav-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-nav-primary {
            background: var(--secondary);
            color: #fff;
            box-shadow: var(--shadow-secondary);
        }
        .btn-nav-primary:hover {
            background: var(--secondary-light);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
            cursor: pointer;
            border-radius: 4px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Hero ========== */
        .hero-prediction {
            padding: 70px 0 50px;
            background: linear-gradient(160deg, var(--darker) 0%, var(--dark) 40%, var(--dark-2) 100%);
            position: relative;
            overflow: hidden;
            min-height: 520px;
        }
        .hero-prediction::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(13, 110, 253, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(255, 107, 53, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 60% 10%, rgba(16, 185, 129, 0.1) 0%, transparent 40%);
            pointer-events: none;
        }
        .hero-prediction .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-prediction-content {
            flex: 1 1 500px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero-badge i {
            color: var(--secondary);
            font-size: 12px;
        }
        .hero-prediction h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            line-height: 1.22;
            margin-bottom: 16px;
        }
        .hero-prediction h1 .highlight-primary {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-prediction h1 .highlight-secondary {
            color: var(--secondary);
        }
        .hero-prediction .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-full);
            background: var(--secondary);
            color: #fff;
            box-shadow: var(--shadow-secondary);
            transition: all var(--transition-base);
            border: none;
        }
        .btn-hero-primary:hover {
            background: var(--secondary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 107, 53, 0.36);
        }
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 26px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-base);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }
        .hero-data-panel {
            flex: 0 0 380px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-xl);
            padding: 28px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-xl);
        }
        .hero-data-panel .panel-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.5);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-data-panel .panel-title i {
            color: var(--accent);
        }
        .prediction-meter {
            margin-bottom: 16px;
        }
        .prediction-meter .meter-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .prediction-meter .meter-track {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-full);
            overflow: hidden;
        }
        .prediction-meter .meter-fill {
            height: 100%;
            border-radius: var(--radius-full);
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            transition: width 1s ease;
        }
        .prediction-meter .meter-fill.secondary-fill {
            background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
        }
        .prediction-meter .meter-fill.accent-fill {
            background: linear-gradient(90deg, var(--accent), #34d399);
        }
        .data-badge-row {
            display: flex;
            gap: 12px;
            margin-top: 18px;
            flex-wrap: wrap;
        }
        .data-badge-mini {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            font-size: 12px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
        }
        .data-badge-mini i {
            font-size: 11px;
        }
        .data-badge-mini .green {
            color: #34d399;
        }
        .data-badge-mini .orange {
            color: var(--secondary-light);
        }
        .data-badge-mini .blue {
            color: #60a5fa;
        }

        /* ========== Section Common ========== */
        .section-prediction {
            padding: 64px 0;
            background: var(--white);
        }
        .section-prediction .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-prediction .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 640px;
        }
        .section-prediction .section-header {
            margin-bottom: 40px;
        }
        .section-prediction .section-header .section-title i {
            color: var(--primary);
            margin-right: 8px;
        }
        .bg-gray-soft {
            background: var(--gray-50);
        }
        .bg-dark-deep {
            background: var(--darker);
            color: var(--white);
        }
        .bg-dark-deep .section-title {
            color: #fff;
        }
        .bg-dark-deep .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== Sell Cards ========== */
        .sell-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .sell-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .sell-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 110, 253, 0.3);
        }
        .sell-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            background: rgba(13, 110, 253, 0.08);
            color: var(--primary);
        }
        .sell-card:nth-child(2) .card-icon {
            background: rgba(255, 107, 53, 0.08);
            color: var(--secondary);
        }
        .sell-card:nth-child(3) .card-icon {
            background: rgba(16, 185, 129, 0.08);
            color: var(--accent);
        }
        .sell-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .sell-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .sell-card .card-tag {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: rgba(13, 110, 253, 0.1);
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        /* ========== Scenario Demo ========== */
        .scenario-wrapper {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .scenario-visual {
            flex: 1 1 480px;
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .scenario-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .scenario-visual .scenario-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(0deg, rgba(11, 17, 32, 0.9), transparent);
            padding: 40px 24px 20px;
            color: #fff;
        }
        .scenario-visual .scenario-overlay h4 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .scenario-visual .scenario-overlay p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
        }
        .scenario-content {
            flex: 1 1 400px;
        }
        .scenario-content h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 14px;
        }
        .scenario-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 18px;
        }
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .scenario-list li i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== Social Proof ========== */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .proof-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .proof-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .proof-card .proof-number {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 4px;
            line-height: 1.1;
        }
        .proof-card .proof-number span {
            font-size: 18px;
            font-weight: 600;
            color: var(--secondary);
        }
        .proof-card .proof-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }

        /* ========== Process ========== */
        .process-timeline {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 32px;
        }
        .process-item {
            display: flex;
            gap: 22px;
            align-items: flex-start;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            transition: all var(--transition-base);
        }
        .process-item:hover {
            border-color: rgba(13, 110, 253, 0.3);
            box-shadow: var(--shadow-md);
        }
        .process-step {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }
        .process-item:nth-child(2) .process-step {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
        }
        .process-item:nth-child(3) .process-step {
            background: linear-gradient(135deg, var(--accent), #34d399);
        }
        .process-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .process-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Comparison Table ========== */
        .compare-table-wrap {
            overflow-x: auto;
            margin-top: 32px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            background: var(--white);
            box-shadow: var(--shadow-sm);
        }
        .compare-table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: left;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
        }
        .compare-table th {
            background: var(--gray-50);
            font-weight: 700;
            color: var(--dark);
            font-size: 14px;
        }
        .compare-table td {
            color: var(--text-secondary);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .highlight-cell {
            color: var(--primary);
            font-weight: 600;
        }
        .compare-table .check-icon {
            color: var(--accent);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 32px auto 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(13, 110, 253, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--dark);
            transition: all var(--transition-base);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .fa-chevron-down {
            font-size: 13px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
            color: var(--text-muted);
        }
        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== CTA / Bottom Fixed ========== */
        .cta-prediction {
            padding: 56px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
            position: relative;
            overflow: hidden;
        }
        .cta-prediction::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(255, 255, 255, 0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-prediction .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-prediction h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .cta-prediction p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            font-size: 17px;
            font-weight: 700;
            border-radius: var(--radius-full);
            background: var(--white);
            color: var(--primary-dark);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
            transition: all var(--transition-base);
            border: none;
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
            color: var(--primary);
        }

        /* Bottom fixed bar */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(11, 17, 32, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 24px;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
            box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
        }
        .bottom-fixed-bar.visible {
            transform: translateY(0);
        }
        .bottom-fixed-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .bottom-fixed-bar .bfb-info {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
        }
        .bottom-fixed-bar .bfb-info .bfb-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .bottom-fixed-bar .bfb-info .bfb-text {
            font-size: 14px;
            font-weight: 600;
        }
        .bottom-fixed-bar .bfb-info .bfb-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 400;
        }
        .btn-bfb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-full);
            background: var(--secondary);
            color: #fff;
            box-shadow: var(--shadow-secondary);
            transition: all var(--transition-base);
            border: none;
            white-space: nowrap;
        }
        .btn-bfb:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            max-width: 320px;
            margin-bottom: 0;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition-base);
        }
        .site-footer .footer-col ul a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 0;
            }
            .main-nav a {
                padding: 8px 11px;
                font-size: 13px;
            }
            .hero-prediction h1 {
                font-size: 34px;
            }
            .hero-data-panel {
                flex-basis: 340px;
            }
            .sell-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 6px;
                display: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 18px;
                font-size: 15px;
                justify-content: center;
                border-radius: var(--radius-sm);
            }
            .nav-actions .btn-nav {
                padding: 8px 14px;
                font-size: 12px;
            }
            .hero-prediction {
                padding: 48px 0 40px;
            }
            .hero-prediction .container {
                flex-direction: column;
                gap: 30px;
            }
            .hero-prediction-content {
                flex: 1 1 auto;
            }
            .hero-prediction h1 {
                font-size: 30px;
            }
            .hero-data-panel {
                flex: 1 1 auto;
                width: 100%;
            }
            .sell-grid {
                grid-template-columns: 1fr;
            }
            .scenario-wrapper {
                flex-direction: column;
            }
            .scenario-visual img {
                height: 260px;
            }
            .proof-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-prediction {
                padding: 48px 0;
            }
            .section-prediction .section-title {
                font-size: 24px;
            }
            .process-item {
                flex-direction: column;
                gap: 12px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .bottom-fixed-bar .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .btn-bfb {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-prediction h1 {
                font-size: 25px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .proof-grid {
                grid-template-columns: 1fr;
            }
            .proof-card .proof-number {
                font-size: 28px;
            }
            .cta-prediction h2 {
                font-size: 24px;
            }
            .btn-cta-large {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }