/* roulang page: index */
:root {
            --color-primary: #1a5fdc;
            --color-primary-dark: #1349b0;
            --color-primary-light: #e8f0fd;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-success: #10b981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-primary-dark);
            transform: scale(1.02);
        }
        .nav-logo i {
            font-size: 1.35rem;
            color: var(--color-accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.925rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .nav-links a.active {
            font-weight: 700;
        }
        .nav-cta-btn {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            transition: all var(--transition-fast) !important;
            margin-left: 4px;
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.25);
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.35);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--color-border-light);
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 11px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1049;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                border-radius: 10px;
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                margin-top: 6px;
            }
            .mobile-toggle {
                display: block;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: #0a1628;
            margin-top: calc(-1 * var(--nav-height));
            padding-top: var(--nav-height);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            filter: brightness(0.35) saturate(0.7);
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 22, 40, 0.55) 0%, rgba(10, 22, 40, 0.8) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            padding: 60px 20px;
            color: #fff;
        }
        .hero-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            border: 3px solid rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 2rem;
            margin-bottom: 28px;
            transition: all var(--transition-slow);
            cursor: pointer;
            animation: pulse-ring 2.5s ease-out infinite;
        }
        .hero-play-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #fff;
            transform: scale(1.08);
            box-shadow: 0 0 60px rgba(255, 255, 255, 0.25);
        }
        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35);
            }
            70% {
                box-shadow: 0 0 0 32px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .hero-title span {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.8;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-cta-group .btn {
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: none;
        }
        .btn-primary-hero {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(26, 95, 220, 0.4);
        }
        .btn-primary-hero:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 95, 220, 0.5);
            color: #fff;
        }
        .btn-outline-hero {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-hero:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 500px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-play-btn {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
            .hero-cta-group .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            section {
                padding: 44px 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--color-text);
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-desc {
            margin: 0 auto;
        }

        /* ========== HOT MATCH TRACK (秒杀商品轨) ========== */
        .hot-track-section {
            background: #fff;
            padding: 50px 0;
        }
        .hot-track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }
        .hot-track-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .hot-track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .hot-track-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 10px;
        }
        .hot-match-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .hot-match-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-primary-light);
        }
        .hot-match-card .match-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-danger);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            animation: blink-dot 1.2s ease-in-out infinite;
        }
        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }
        .hot-match-card .match-league {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .hot-match-card .match-teams {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .hot-match-card .match-score {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 2px;
        }
        .hot-match-card .match-time {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        .hot-match-card .match-cta {
            display: inline-block;
            margin-top: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }
        .hot-match-card:hover .match-cta {
            color: var(--color-primary-dark);
        }

        /* ========== STOCK ALERT (库存提示转化) ========== */
        .stock-alert-section {
            background: linear-gradient(135deg, #fef3c7 0%, #fff7ed 50%, #fef9c3 100%);
            padding: 36px 0;
            border-top: 1px solid #fde68a;
            border-bottom: 1px solid #fde68a;
        }
        .stock-alert-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            text-align: center;
        }
        .stock-alert-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            animation: bounce-gentle 2s ease-in-out infinite;
        }
        @keyframes bounce-gentle {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        .stock-alert-text {
            font-size: 1.1rem;
            font-weight: 700;
            color: #92400e;
        }
        .stock-alert-text strong {
            color: var(--color-danger);
            font-size: 1.3rem;
        }
        .stock-alert-btn {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }
        .stock-alert-btn:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: #fff;
        }
        .brand-intro-card {
            background: var(--color-bg);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            line-height: 2;
            font-size: 1.05rem;
            color: var(--color-text-secondary);
        }
        .brand-intro-card strong {
            color: var(--color-primary);
        }

        /* ========== DATA METRICS ========== */
        .metrics-section {
            background: var(--color-bg);
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .metric-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1;
        }
        .metric-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-top: 8px;
            font-weight: 600;
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix-section {
            background: #fff;
        }
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .entry-grid {
                grid-template-columns: 1fr;
            }
        }
        .entry-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
        }
        .entry-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
            background: #fff;
            transform: translateY(-2px);
        }
        .entry-item .entry-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .entry-icon.blue {
            background: #e8f0fd;
            color: #1a5fdc;
        }
        .entry-icon.green {
            background: #d1fae5;
            color: #059669;
        }
        .entry-icon.orange {
            background: #fef3c7;
            color: #d97706;
        }
        .entry-icon.purple {
            background: #ede9fe;
            color: #7c3aed;
        }
        .entry-icon.red {
            background: #fee2e2;
            color: #dc2626;
        }
        .entry-icon.teal {
            background: #ccfbf1;
            color: #0d9488;
        }

        /* ========== TIMELINE ========== */
        .timeline-section {
            background: var(--color-bg);
        }
        .timeline {
            position: relative;
            padding-left: 36px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-primary-light);
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 16px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-primary-light);
            z-index: 1;
        }
        .timeline-time {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .timeline-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
        }
        .timeline-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }
        .timeline-cta {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-primary);
            display: inline-block;
            margin-top: 6px;
            transition: color var(--transition-fast);
        }
        .timeline-cta:hover {
            color: var(--color-primary-dark);
        }

        /* ========== NEWS CENTER ========== */
        .news-section {
            background: #fff;
        }
        .news-list {
            display: grid;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
            transform: translateX(3px);
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            font-weight: 600;
            min-width: 70px;
            text-align: center;
            background: #fff;
            padding: 6px 10px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
        }
        .news-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .news-content p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 6px;
        }
        .news-readmore {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }
        .news-readmore:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        @media (max-width: 520px) {
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date {
                min-width: auto;
                display: inline-block;
            }
        }

        /* ========== MEDIA SPOTLIGHT ========== */
        .media-spotlight-section {
            background: var(--color-bg);
        }
        .media-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }
        .media-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .media-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .media-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 10px;
        }
        .media-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .media-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .media-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .media-card-body {
            padding: 16px;
        }
        .media-card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .media-card-body p {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ========== FEATURES ========== */
        .features-section {
            background: #fff;
        }
        .feature-card {
            text-align: center;
            padding: 30px 20px;
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
            transform: translateY(-4px);
        }
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 16px;
            color: var(--color-primary);
        }
        .feature-card h4 {
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== CTA BUTTON GROUP ========== */
        .cta-group-section {
            background: linear-gradient(135deg, #1a5fdc 0%, #1349b0 100%);
            padding: 50px 0;
            text-align: center;
        }
        .cta-group-section .section-title {
            color: #fff;
        }
        .cta-group-section .section-desc {
            color: rgba(255, 255, 255, 0.85);
            margin: 0 auto 28px;
        }
        .cta-btn-cluster {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-btn-cluster .btn {
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: none;
        }
        .btn-cta-white {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
            color: var(--color-primary-dark);
        }
        .btn-cta-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-cta-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-section {
            background: var(--color-bg);
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
            margin-top: 12px;
        }

        /* ========== SERVICE SCOPE ========== */
        .service-scope-section {
            background: #fff;
        }
        .scope-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        @media (max-width: 520px) {
            .scope-list {
                grid-template-columns: 1fr;
            }
        }
        .scope-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .scope-item:hover {
            border-color: var(--color-primary-light);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .scope-item i {
            color: var(--color-success);
            font-size: 1.1rem;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-primary-light);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            background: none;
            border: none;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--color-primary-light);
        }
        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-primary);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ========== BOTTOM FIXED CTA BAR ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: #fff;
            border-top: 1px solid var(--color-border);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }
        .bottom-cta-bar.visible {
            transform: translateY(0);
        }
        .bottom-cta-bar .btn {
            padding: 11px 26px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-fast);
        }
        .bottom-cta-bar .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 95, 220, 0.35);
        }
        .bottom-cta-bar .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .bottom-cta-bar .btn-outline-secondary {
            background: transparent;
            border: 2px solid var(--color-border);
            color: var(--color-text);
        }
        .bottom-cta-bar .btn-outline-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: #94a3b8;
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: #94a3b8;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom .divider {
            color: #334155;
        }

        /* ========== UTILITY ========== */
        .text-primary {
            color: var(--color-primary) !important;
        }
        .bg-light-blue {
            background: var(--color-primary-light);
        }
        .gap-20 {
            gap: 20px;
        }
        .mt-0 {
            margin-top: 0 !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        @media (max-width: 768px) {
            .hide-mobile {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a5fdc;
            --color-primary-dark: #1349b0;
            --color-primary-light: #e8f0fd;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-success: #10b981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding {
            padding: 80px 0;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            background: var(--color-primary-light);
            padding: 4px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 40px;
            max-width: 700px;
            line-height: 1.7;
        }

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

        .section-title.text-center+.section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary-dark);
            transform: scale(1.02);
        }

        .nav-logo i {
            font-size: 1.35rem;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }

        .nav-links a {
            padding: 7px 11px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            transition: all var(--transition-fast) !important;
            margin-left: 4px;
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.35);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-border-light);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0f1d3d 0%, #15294d 30%, #1a3a6b 60%, #0d1b35 100%);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 1;
        }

        .hero-pattern {
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 50%, rgba(26, 95, 220, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 30%, rgba(245, 158, 11, 0.18) 0%, transparent 50%),
                radial-gradient(ellipse at 60% 80%, rgba(26, 95, 220, 0.15) 0%, transparent 55%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-text {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fbbf24;
            margin-bottom: 20px;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.35);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(251, 191, 36, 0);
            }
        }

        .hero-badge i {
            font-size: 0.75rem;
            color: #ef4444;
            animation: blink-dot 1.2s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 18px;
            color: #fff;
        }

        .hero-title span {
            color: #fbbf24;
            position: relative;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

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

        .btn-hero-primary {
            background: var(--color-accent);
            color: #1e293b;
            padding: 14px 30px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.35);
        }

        .btn-hero-primary:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.45);
            color: #1e293b;
        }

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            padding: 14px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .hero-countdown-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            backdrop-filter: blur(8px);
            text-align: center;
            color: #fff;
        }

        .hero-countdown-card .countdown-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .countdown-timer {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .countdown-unit {
            background: rgba(26, 95, 220, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 14px 10px;
            min-width: 68px;
            text-align: center;
        }

        .countdown-unit .countdown-num {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1;
            color: #fff;
            letter-spacing: -1px;
        }

        .countdown-unit .countdown-unit-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
            font-weight: 500;
        }

        .countdown-separator {
            font-size: 2rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
        }

        .hero-subscribe-row {
            display: flex;
            gap: 10px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .hero-subscribe-row input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border-radius: 28px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .hero-subscribe-row input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .hero-subscribe-row input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.16);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
        }

        .hero-subscribe-row button {
            background: #fff;
            color: #1e293b;
            padding: 12px 24px;
            border-radius: 28px;
            font-weight: 700;
            border: none;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-subscribe-row button:hover {
            background: #fbbf24;
            transform: translateY(-1px);
        }

        /* ========== CARDS / COMPONENTS ========== */
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .feature-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
        }

        .feature-card p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
            margin: 0;
        }

        .feature-card .card-accent-stripe {
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 40px;
            background: var(--color-primary);
            border-radius: 0 4px 4px 0;
            transition: height var(--transition-slow);
        }

        .feature-card:hover .card-accent-stripe {
            height: 70px;
        }

        /* ========== SCENARIO ========== */
        .scenario-block {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .scenario-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
            position: relative;
        }

        .scenario-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scenario-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--color-text);
        }

        .scenario-content p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 0.98rem;
        }

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

        .scenario-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .scenario-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--color-success);
            font-size: 0.9rem;
        }

        /* ========== STATS STRIP ========== */
        .stats-strip {
            background: var(--color-primary);
            padding: 36px 0;
            color: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            opacity: 0.8;
            font-weight: 500;
        }

        /* ========== SOCIAL PROOF ========== */
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .stars {
            color: #f59e0b;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* ========== PROCESS ========== */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
        }

        .step-content h4 {
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
            font-size: 1.05rem;
        }

        .step-content p {
            color: var(--color-text-secondary);
            margin: 0;
            font-size: 0.93rem;
            line-height: 1.6;
        }

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

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
            background: #fff;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            font-size: 1rem;
            transition: color var(--transition-fast);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

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

        .faq-question .faq-icon {
            transition: transform var(--transition-normal);
            color: var(--color-text-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
            margin-left: 12px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 24px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 350px;
            padding: 0 24px 20px 24px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f1d3d 0%, #1a3a6b 100%);
            color: #fff;
            text-align: center;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 1;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            font-size: 1.05rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            background: var(--color-accent);
            color: #1e293b;
            padding: 16px 40px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.4);
        }

        .btn-cta-lg:hover {
            background: #fbbf24;
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(245, 158, 11, 0.5);
            color: #1e293b;
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .sticky-bottom-bar .bar-text {
            font-weight: 600;
            color: var(--color-text);
            font-size: 0.95rem;
        }

        .sticky-bottom-bar .btn-bar-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 700;
            border: none;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-bar-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(26, 95, 220, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1a2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 380px;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            justify-content: center;
            text-align: center;
        }

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

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-bottom .divider {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-countdown-card {
                max-width: 480px;
                margin: 0 auto;
            }
            .scenario-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .section-padding {
                padding: 50px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 1049;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
                border-radius: 10px;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .countdown-unit {
                min-width: 52px;
                padding: 10px 6px;
            }
            .countdown-unit .countdown-num {
                font-size: 1.6rem;
            }
            .countdown-separator {
                font-size: 1.4rem;
            }
            .hero-subscribe-row {
                flex-direction: column;
            }
            .hero-subscribe-row input {
                min-width: auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .scenario-block {
                padding: 24px;
            }
            .sticky-bottom-bar {
                padding: 10px 14px;
                gap: 10px;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.85rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .countdown-unit {
                min-width: 42px;
                padding: 8px 4px;
            }
            .countdown-unit .countdown-num {
                font-size: 1.3rem;
            }
            .countdown-separator {
                font-size: 1.1rem;
                gap: 4px;
            }
            .countdown-timer {
                gap: 4px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .process-step {
                flex-direction: column;
                gap: 10px;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a5fdc;
            --color-primary-dark: #1349b0;
            --color-primary-light: #e8f0fd;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-success: #10b981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            padding-bottom: 0;
            margin: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-primary-dark);
            transform: scale(1.02);
        }

        .nav-logo i {
            font-size: 1.35rem;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 3px;
            flex-wrap: wrap;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            transition: all var(--transition-fast) !important;
            margin-left: 4px;
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.35);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-border-light);
        }

        /* ========== SECTION SPACING ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-padding-sm {
            padding: 45px 0;
        }

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

        /* ========== HERO ========== */
        .hero-banner {
            background: linear-gradient(135deg, #e8f0fd 0%, #f0f4fb 30%, #f8fafc 60%, #ffffff 100%);
            border-bottom: 1px solid var(--color-border);
            padding: 50px 0 55px;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(26, 95, 220, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .hero-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .hero-banner .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-stat-item .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--color-surface);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
            flex-shrink: 0;
        }

        .hero-stat-item .stat-info .stat-num {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-text);
            line-height: 1.2;
        }

        .hero-stat-item .stat-info .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 28px;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(26, 95, 220, 0.25);
            font-size: 1rem;
            text-align: center;
            cursor: pointer;
        }

        .btn-primary-custom:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 6px 22px rgba(26, 95, 220, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline-custom {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            font-weight: 700;
            padding: 11px 26px;
            border-radius: 28px;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            font-size: 1rem;
            text-align: center;
            cursor: pointer;
        }

        .btn-outline-custom:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn-accent-custom {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 28px;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
            font-size: 1rem;
            text-align: center;
            cursor: pointer;
        }

        .btn-accent-custom:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            padding: 28px 24px;
            transition: all var(--transition-normal);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon-blue {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .card-icon-accent {
            background: #fef3c7;
            color: var(--color-accent);
        }

        .card-icon-green {
            background: #d1fae5;
            color: var(--color-success);
        }

        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .card-custom p {
            font-size: 0.925rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== DATA HIGHLIGHT CARDS ========== */
        .data-highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-highlight-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-normal);
        }

        .data-highlight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .data-highlight-card .highlight-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .data-highlight-card .highlight-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 600;
        }

        .data-highlight-card .highlight-sub {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .feature-row.reverse {
            flex-direction: row-reverse;
        }

        .feature-text {
            flex: 1;
            min-width: 300px;
        }

        .feature-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--color-text);
            letter-spacing: -0.3px;
        }

        .feature-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-text .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
        }

        .feature-text .feature-list li {
            padding: 6px 0 6px 26px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .feature-text .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 7px;
            color: var(--color-success);
            font-size: 0.8rem;
        }

        .feature-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--color-bg);
        }

        .feature-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        /* ========== COVERAGE SECTION ========== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .coverage-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

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

        .coverage-item .cov-flag {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .coverage-item .cov-info .cov-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .coverage-item .cov-info .cov-detail {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 700;
            font-size: 0.9rem;
            text-align: center;
            white-space: nowrap;
        }

        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table tbody td {
            padding: 13px 16px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
        }

        .comparison-table tbody tr:hover {
            background: var(--color-primary-light);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .check-icon {
            color: var(--color-success);
            font-weight: 700;
        }

        .comparison-table .highlight-col {
            background: #fefce8;
            font-weight: 700;
            color: var(--color-primary);
        }

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

        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-primary-light);
            position: absolute;
            top: 16px;
            right: 20px;
            opacity: 0.7;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            padding-right: 30px;
        }

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

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 20px 0;
        }

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

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: color var(--transition-fast);
            user-select: none;
        }

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

        .faq-question .faq-q-icon {
            color: var(--color-primary);
            font-weight: 800;
            flex-shrink: 0;
            font-size: 1.1rem;
            margin-top: 1px;
        }

        .faq-answer {
            margin-top: 10px;
            padding-left: 28px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        /* ========== STICKY CTA BAR ========== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(30, 41, 59, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 1040;
            padding: 14px 0;
            border-top: 2px solid var(--color-primary);
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .sticky-cta-bar .sticky-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
        }

        .sticky-cta-bar .sticky-text strong {
            color: var(--color-accent);
        }

        .sticky-cta-bar .btn-sticky {
            display: inline-block;
            background: var(--color-accent);
            color: #1e293b;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 24px;
            border: none;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.35);
        }

        .sticky-cta-bar .btn-sticky:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
        }

        .sticky-cta-bar .btn-sticky-close {
            background: none;
            border: none;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .sticky-cta-bar .btn-sticky-close:hover {
            color: #fff;
        }

        body.sticky-visible {
            padding-bottom: 80px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 50px 0 28px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .site-footer .footer-desc {
            color: #94a3b8;
            font-size: 0.875rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .site-footer .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
            letter-spacing: 0.2px;
        }

        .site-footer .footer-col a {
            display: block;
            color: #94a3b8;
            padding: 4px 0;
            font-size: 0.875rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #94a3b8;
        }

        .site-footer .footer-bottom .divider {
            color: #475569;
            margin: 0 4px;
        }

        .site-footer .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== SECTION HEADERS ========== */
        .section-header {
            margin-bottom: 40px;
        }

        .section-header .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
        }

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

        .section-header.centered p {
            margin: 0 auto;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .data-highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .feature-row {
                gap: 30px;
            }
            .hero-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1049;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                border-radius: 10px;
                width: 100%;
                text-align: left;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                margin-top: 4px;
            }
            .mobile-toggle {
                display: block;
            }
            .data-highlight-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .data-highlight-card .highlight-num {
                font-size: 2rem;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .feature-row {
                flex-direction: column !important;
                gap: 24px;
            }
            .feature-text h2 {
                font-size: 1.5rem;
            }
            .hero-banner h1 {
                font-size: 1.7rem;
            }
            .hero-banner {
                padding: 36px 0 40px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .section-padding {
                padding: 45px 0;
            }
            .section-padding-lg {
                padding: 55px 0;
            }
            .sticky-cta-bar {
                flex-direction: column;
                gap: 10px;
                padding: 12px 16px;
                text-align: center;
            }
            .sticky-cta-bar .sticky-text {
                font-size: 0.85rem;
            }
            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .data-highlight-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-highlight-card {
                padding: 16px 12px;
            }
            .data-highlight-card .highlight-num {
                font-size: 1.6rem;
            }
            .data-highlight-card .highlight-label {
                font-size: 0.78rem;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .hero-banner h1 {
                font-size: 1.45rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary-custom,
            .btn-accent-custom,
            .btn-outline-custom {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 10px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a5fdc;
            --color-primary-dark: #1349b0;
            --color-primary-light: #e8f0fd;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-success: #10b981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary-dark);
            transform: scale(1.02);
        }

        .nav-logo i {
            font-size: 1.35rem;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }

        .nav-links a {
            padding: 7px 11px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            transition: all var(--transition-fast) !important;
            margin-left: 4px;
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.35);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-border-light);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #f0f5ff 0%, #e8f0fd 30%, #ffffff 100%);
            padding: 70px 0 80px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(26, 95, 220, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 480px;
            min-width: 300px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.875rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-text h1 .highlight {
            color: var(--color-primary);
            position: relative;
        }

        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 500px;
        }

        .hero-form-wrap {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            max-width: 480px;
        }

        .hero-form-wrap input {
            flex: 1 1 260px;
            min-width: 200px;
            padding: 14px 18px;
            border: 2px solid var(--color-border);
            border-radius: 28px;
            font-size: 1rem;
            outline: none;
            transition: all var(--transition-fast);
            background: #fff;
            font-family: inherit;
        }

        .hero-form-wrap input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(26, 95, 220, 0.08);
        }

        .hero-form-wrap .btn-hero {
            padding: 14px 28px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.3);
            cursor: pointer;
        }

        .hero-form-wrap .btn-hero:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 24px rgba(26, 95, 220, 0.4);
            transform: translateY(-2px);
        }

        .hero-visual {
            flex: 0 0 340px;
            min-width: 280px;
            position: relative;
        }

        .hero-visual-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--color-border-light);
            position: relative;
            z-index: 1;
        }

        .hero-visual-card .live-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--color-danger);
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
            margin-right: 6px;
            vertical-align: middle;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(239, 68, 68, 0);
            }
        }

        .hero-visual-card .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            gap: 8px;
        }

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

        .hero-visual-card .team-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .hero-visual-card .score-display {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--color-primary);
            min-width: 50px;
            text-align: center;
            background: var(--color-primary-light);
            border-radius: 8px;
            padding: 4px 10px;
        }

        .hero-visual-card .match-time {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            text-align: center;
        }

        .hero-visual-card .live-tag {
            display: inline-block;
            background: #fef2f2;
            color: var(--color-danger);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 10px;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: 70px 0;
        }

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

        .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 650px;
            line-height: 1.7;
        }

        /* ========== SELLING POINTS ========== */
        .selling-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .selling-card .icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            transition: all var(--transition-normal);
        }

        .selling-card .icon-circle.blue {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .selling-card .icon-circle.amber {
            background: #fef3c7;
            color: var(--color-accent-dark);
        }

        .selling-card .icon-circle.green {
            background: #d1fae5;
            color: var(--color-success);
        }

        .selling-card h3 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .selling-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== FEATURE SHOWCASE ========== */
        .feature-showcase {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

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

        .feature-list li {
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 1rem;
            color: var(--color-text);
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list li i {
            color: var(--color-success);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .feature-list li strong {
            color: var(--color-primary);
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .scenario-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--color-border-light);
        }

        .scenario-card .card-body {
            padding: 20px 18px;
        }

        .scenario-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: linear-gradient(135deg, var(--color-primary) 0%, #1e40af 100%);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: space-around;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 4px;
            letter-spacing: -1px;
        }

        .stat-item p {
            font-size: 0.95rem;
            opacity: 0.85;
            margin-bottom: 0;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .stars {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== HOW IT WORKS ========== */
        .step-card {
            text-align: center;
            padding: 20px 16px;
            position: relative;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            margin: 0 auto 14px;
            transition: all var(--transition-normal);
        }

        .step-card:hover .step-number {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.1);
            box-shadow: 0 8px 24px rgba(26, 95, 220, 0.3);
        }

        .step-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            background: #fff;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md) !important;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: var(--color-primary-light);
            box-shadow: none;
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(26, 95, 220, 0.08);
            border-color: var(--color-primary-light);
        }

        .faq-accordion .accordion-body {
            padding: 16px 20px 20px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            background: #fff;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #f0f5ff 0%, #e8f0fd 40%, #ffffff 100%);
            border-radius: var(--radius-xl);
            padding: 50px 36px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .cta-section h2 {
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--color-text);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-block;
            padding: 15px 36px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(26, 95, 220, 0.3);
            cursor: pointer;
        }

        .btn-cta-lg:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 10px 30px rgba(26, 95, 220, 0.4);
            transform: translateY(-3px);
            color: #fff;
        }

        .btn-cta-outline {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            margin-left: 12px;
        }

        .btn-cta-outline:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--color-border);
            padding: 50px 0 30px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .footer-col h5 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--color-border-light);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            align-items: center;
        }

        .footer-bottom .divider {
            margin: 0 8px;
            color: var(--color-border);
        }

        .footer-bottom a {
            color: var(--color-text-muted);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .hero-visual {
                flex: 0 0 300px;
                min-width: 260px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stats-bar {
                gap: 16px;
            }
            .stat-item h3 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 6px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1049;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                font-size: 0.95rem;
                width: 100%;
                text-align: center;
                border-radius: 12px;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-section {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .hero-section .container {
                flex-direction: column;
                gap: 30px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                min-width: auto;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .stats-bar {
                flex-direction: column;
                gap: 20px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
                display: block;
            }
            .hero-form-wrap {
                flex-direction: column;
            }
            .hero-form-wrap input {
                width: 100%;
            }
            .hero-form-wrap .btn-hero {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .selling-card {
                padding: 20px 14px;
            }
            .feature-showcase {
                padding: 20px 16px;
            }
            .stats-bar {
                padding: 24px 16px;
            }
            .stat-item h3 {
                font-size: 1.6rem;
            }
            .testimonial-card {
                padding: 18px 14px;
            }
            .scenario-card img {
                height: 160px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a5fdc;
            --color-primary-dark: #1349b0;
            --color-primary-light: #e8f0fd;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-success: #10b981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            padding-bottom: 80px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-sm {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary-dark);
            transform: scale(1.02);
        }

        .nav-logo i {
            font-size: 1.35rem;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }

        .nav-links a {
            padding: 7px 11px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            transition: all var(--transition-fast) !important;
            margin-left: 4px;
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.35);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-border-light);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 60px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 650px;
        }

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

        /* ========== HERO SECTION ========== */
        .hero-section {
            padding: 70px 0 60px;
            background: linear-gradient(180deg, #ffffff 0%, #f8fafc 40%, #e8f0fd 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 95, 220, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 30px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            box-shadow: var(--shadow-sm);
            margin-bottom: 20px;
        }

        .hero-badge i {
            color: var(--color-accent);
            font-size: 1rem;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero-title span {
            color: var(--color-primary);
            position: relative;
        }

        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(26, 95, 220, 0.15);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 520px;
            line-height: 1.8;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-cta {
            background: var(--color-primary);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 8px 28px rgba(26, 95, 220, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-cta {
            background: #fff;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-cta:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .hero-compare-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 2;
        }

        .hero-compare-card.recommended {
            border: 2px solid var(--color-primary);
            box-shadow: var(--shadow-xl), 0 0 0 8px rgba(26, 95, 220, 0.06);
            transform: scale(1.03);
            position: relative;
            z-index: 3;
        }

        .hero-compare-card.recommended::before {
            content: '推荐';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 14px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .compare-card-header {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 16px;
            text-align: center;
            color: var(--color-text);
        }

        .compare-card-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .compare-card-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-card-list li i.fa-check {
            color: var(--color-success);
        }

        .compare-card-list li i.fa-times {
            color: var(--color-text-muted);
        }

        .compare-card-list li i.fa-star {
            color: var(--color-accent);
        }

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

        .hero-img-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 4px solid #fff;
            max-width: 420px;
            width: 100%;
        }

        .hero-img-card img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        /* ========== SELLING POINTS ========== */
        .selling-points-section {
            padding: 60px 0;
            background: #fff;
        }

        .point-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-normal);
            border: 1px solid transparent;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .point-card .point-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .point-card:hover .point-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.08);
        }

        .point-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .point-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-section {
            padding: 60px 0;
            background: var(--color-bg);
            position: relative;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border-left: 4px solid transparent;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            border-left-color: var(--color-primary);
            transform: translateY(-2px);
        }

        .scenario-card .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .scenario-card h5 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .scenario-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== STATS BANNER ========== */
        .stats-banner {
            background: var(--color-primary);
            padding: 50px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }

        .stats-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .stat-item {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 12px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            opacity: 0.85;
            font-weight: 500;
        }

        /* ========== STEPS SECTION ========== */
        .steps-section {
            padding: 60px 0;
            background: #fff;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            position: relative;
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(26, 95, 220, 0.3);
        }

        .step-content h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .step-connector {
            position: absolute;
            left: 25px;
            top: 72px;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
            border-radius: 1px;
        }

        .step-item:last-child .step-connector {
            display: none;
        }

        /* ========== FEATURE SHOWCASE ========== */
        .feature-showcase {
            padding: 60px 0;
            background: var(--color-bg);
        }

        .feature-block {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            margin-bottom: 32px;
            transition: all var(--transition-normal);
        }

        .feature-block:hover {
            box-shadow: var(--shadow-lg);
        }

        .feature-block .feature-img {
            height: 240px;
            overflow: hidden;
        }

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

        .feature-block:hover .feature-img img {
            transform: scale(1.04);
        }

        .feature-block .feature-body {
            padding: 24px 28px;
        }

        .feature-block .feature-body h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .feature-block .feature-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .feature-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            margin-bottom: 8px;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-section {
            padding: 60px 0;
            background: #fff;
        }

        .testimonial-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-primary-light);
            margin-bottom: 12px;
            opacity: 0.7;
        }

        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .author-info {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .author-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .author-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 60px 0;
            background: var(--color-bg);
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

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

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            user-select: none;
            transition: background var(--transition-fast);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-question .faq-icon {
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
            margin-left: 12px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 24px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 60px 0;
            background: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-card {
            background: linear-gradient(135deg, #1a5fdc 0%, #1349b0 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -50px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card h2 {
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            background: #fff;
            color: var(--color-primary);
            border: none;
            padding: 16px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-large:hover {
            background: #f0f4ff;
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            color: var(--color-primary-dark);
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--color-border);
            padding: 12px 20px;
            z-index: 1040;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .sticky-bottom-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .sticky-bottom-bar .bar-highlight {
            color: var(--color-primary);
            font-weight: 700;
        }

        .btn-sticky-cta {
            background: var(--color-primary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(26, 95, 220, 0.3);
            white-space: nowrap;
        }

        .btn-sticky-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            color: #94a3b8;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid #334155;
            padding-top: 20px;
            font-size: 0.8rem;
            color: #94a3b8;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-bottom .divider {
            color: #475569;
            margin: 0 4px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-compare-card.recommended {
                transform: scale(1);
            }
            .section-title {
                font-size: 1.6rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .site-footer .footer-grid>div:first-child {
                grid-column: span 2;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 4px;
                z-index: 1049;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                border-radius: 8px;
                width: 100%;
                text-align: center;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 4px;
                width: 100%;
                text-align: center;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-section {
                padding: 40px 0;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .hero-compare-card.recommended {
                transform: scale(1);
            }
            .compare-card-list li {
                font-size: 0.8rem;
            }
            .point-card {
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .btn-cta-large {
                padding: 14px 28px;
                font-size: 1rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-grid>div:first-child {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .hero-visual-wrap {
                margin-top: 24px;
            }
            .feature-block .feature-img {
                height: 180px;
            }
            .step-connector {
                left: 20px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary-cta,
            .hero-cta-group .btn-outline-cta {
                width: 100%;
                justify-content: center;
            }
            .hero-compare-card {
                padding: 20px 16px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .testimonial-card {
                padding: 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
            .btn-sticky-cta {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a5fdc;
            --color-primary-dark: #1349b0;
            --color-primary-light: #e8f0fd;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-success: #10b981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary-dark);
            transform: scale(1.02);
        }

        .nav-logo i {
            font-size: 1.35rem;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }

        .nav-links a {
            padding: 7px 11px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            transition: all var(--transition-fast) !important;
            margin-left: 4px;
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.35);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-border-light);
        }

        /* ========== HERO SECTION ========== */
        .hero-standings {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-standings::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 95, 220, 0.88) 0%, rgba(13, 40, 90, 0.92) 100%);
            z-index: 1;
        }

        .hero-standings .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        .hero-standings .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.875rem;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .hero-standings h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .hero-standings .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 0;
            max-width: 600px;
            line-height: 1.6;
        }

        .hero-countdown-bar {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 18px 24px;
            display: inline-flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .hero-countdown-bar .countdown-label {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
        }

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

        .hero-countdown-bar .countdown-unit {
            background: #fff;
            color: var(--color-primary);
            font-weight: 800;
            font-size: 1.4rem;
            padding: 8px 14px;
            border-radius: 10px;
            min-width: 50px;
            text-align: center;
            line-height: 1;
        }

        .hero-countdown-bar .countdown-sep {
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .hero-countdown-bar .countdown-unit-label {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.7rem;
            text-align: center;
            display: block;
            margin-top: 2px;
        }

        .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

        .btn-hero-primary {
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1.05rem;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            background: #f0f4ff;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.2);
            color: var(--color-primary-dark);
        }

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        /* ========== SECTION STYLES ========== */
        .section {
            padding: 70px 0;
        }

        .section-alt {
            background: var(--color-surface);
        }

        .section-label {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary);
            padding: 5px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            max-width: 700px;
            line-height: 1.7;
        }

        /* ========== CARDS ========== */
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .feature-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-bottom: 18px;
            transition: all var(--transition-normal);
        }

        .feature-card:hover .card-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .feature-card p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .scenario-card .scenario-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .scenario-card:hover .scenario-img img {
            transform: scale(1.06);
        }

        .scenario-card .scenario-body {
            padding: 24px 20px;
        }

        .scenario-card .scenario-body h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .scenario-card .scenario-body p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== STATS BLOCK ========== */
        .stats-block {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .stats-block .stat-item {
            text-align: center;
            padding: 16px;
        }

        .stats-block .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1;
        }

        .stats-block .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== LEAGUE GRID ========== */
        .league-grid-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: default;
        }

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

        .league-grid-item .league-flag {
            font-size: 2.2rem;
            margin-bottom: 8px;
        }

        .league-grid-item .league-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .league-grid-item .league-count {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border-left: 4px solid var(--color-primary);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .quote-text {
            font-style: italic;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .testimonial-card .quote-author {
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.9rem;
        }

        .testimonial-card .quote-role {
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }

        /* ========== FAQ ========== */
        .faq-section .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

        .faq-section .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            background: var(--color-surface);
            padding: 18px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }

        .faq-section .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: var(--color-primary-light);
            box-shadow: none;
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 95, 220, 0.15);
            border-color: var(--color-primary);
        }

        .faq-section .accordion-body {
            padding: 18px 20px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #0d3d8f 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-cta-large {
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            padding: 15px 36px;
            border-radius: 30px;
            font-size: 1.1rem;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-section .btn-cta-large:hover {
            background: #f0f4ff;
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25);
            color: var(--color-primary-dark);
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border);
            padding: 12px 20px;
            z-index: 1040;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .sticky-bottom-bar .sticky-text {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-sticky {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 24px;
            border: none;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(26, 95, 220, 0.3);
        }

        .sticky-bottom-bar .btn-sticky:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(26, 95, 220, 0.4);
        }

        .sticky-bottom-bar .btn-sticky-outline {
            background: transparent;
            color: var(--color-primary);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 24px;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-sticky-outline:hover {
            background: var(--color-primary-light);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f2e;
            color: #cbd5e1;
            padding: 50px 0 28px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: #94a3b8;
            max-width: 320px;
        }

        .site-footer .footer-col h5 {
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }

        .site-footer .footer-col a {
            display: block;
            color: #94a3b8;
            font-size: 0.875rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #94a3b8;
        }

        .site-footer .footer-bottom .divider {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 4px;
        }

        .site-footer .footer-bottom a {
            color: #94a3b8;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-standings h1 {
                font-size: 2.2rem;
            }
            .hero-standings {
                min-height: 460px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links a {
                padding: 6px 9px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1049;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-standings {
                min-height: 420px;
                text-align: center;
            }
            .hero-standings h1 {
                font-size: 1.8rem;
            }
            .hero-standings .hero-subtitle {
                font-size: 1rem;
                margin: 0 auto;
            }
            .hero-countdown-bar {
                justify-content: center;
                padding: 14px 16px;
                gap: 10px;
            }
            .hero-countdown-bar .countdown-unit {
                font-size: 1.1rem;
                padding: 6px 10px;
                min-width: 38px;
            }
            .hero-btns {
                justify-content: center;
            }
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-block .stat-number {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sticky-bottom-bar {
                padding: 10px 14px;
                gap: 10px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.85rem;
            }
            .sticky-bottom-bar .btn-sticky,
            .sticky-bottom-bar .btn-sticky-outline {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .hero-standings {
                min-height: 380px;
            }
            .hero-standings h1 {
                font-size: 1.5rem;
            }
            .hero-countdown-bar {
                flex-direction: column;
                align-items: center;
                gap: 8px;
            }
            .hero-btns {
                flex-direction: column;
                width: 100%;
            }
            .hero-btns .btn-hero-primary,
            .hero-btns .btn-hero-outline {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                text-align: center;
                gap: 8px;
                padding: 10px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a5fdc;
            --color-primary-dark: #1349b0;
            --color-primary-light: #e8f0fd;
            --color-primary-lighter: #f4f7fe;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-accent-light: #fef3c7;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-success: #10b981;
            --color-success-light: #d1fae5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 8px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-medium {
            max-width: 1080px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-primary-dark);
            transform: scale(1.02);
        }

        .nav-logo i {
            font-size: 1.35rem;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }

        .nav-links a {
            padding: 7px 13px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            transition: all var(--transition-fast) !important;
            margin-left: 4px;
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.35);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: var(--color-border-light);
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 64px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 680px;
        }

        .bg-surface {
            background: var(--color-surface);
        }

        .bg-primary-light {
            background: var(--color-primary-lighter);
        }

        /* ========== BUTTONS ========== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            background: var(--color-primary);
            color: #fff;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.25);
            white-space: nowrap;
        }

        .btn-brand:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 95, 220, 0.35);
        }

        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-brand:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(26, 95, 220, 0.2);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            background: var(--color-accent);
            color: #fff;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.25);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.35);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: var(--radius-full);
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.blue {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .card-icon.amber {
            background: var(--color-accent-light);
            color: var(--color-accent-dark);
        }

        .card-icon.green {
            background: var(--color-success-light);
            color: var(--color-success);
        }

        .card-custom h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .card-custom p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== BADGES ========== */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            white-space: nowrap;
        }

        .badge-primary {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .badge-accent {
            background: var(--color-accent-light);
            color: var(--color-accent-dark);
        }

        .badge-success {
            background: var(--color-success-light);
            color: var(--color-success);
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: 60px 0 56px;
            background: linear-gradient(180deg, #ffffff 0%, #f4f7fe 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(26, 95, 220, 0.06) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--color-text);
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .hero-title span {
            color: var(--color-primary);
            position: relative;
        }

        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 10px;
            background: rgba(26, 95, 220, 0.12);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 500px;
        }

        .hero-qualification {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
            padding: 16px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .hero-qual-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
        }

        .hero-qual-item i {
            color: var(--color-success);
            font-size: 1rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .hero-visual {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-inner {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 24px;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--color-border-light);
            width: 100%;
            max-width: 440px;
        }

        .hero-visual-inner img {
            border-radius: var(--radius-md);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .hero-stats-row {
            display: flex;
            gap: 16px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            flex: 1;
            min-width: 80px;
            text-align: center;
            background: var(--color-primary-lighter);
            border-radius: var(--radius-sm);
            padding: 12px 10px;
        }

        .hero-stat-item .stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 0.75rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        /* ========== SELLING POINTS ========== */
        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .selling-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .selling-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-primary);
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .selling-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

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

        .selling-card .card-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(26, 95, 220, 0.08);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
        }

        .selling-card h4 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--color-text);
            position: relative;
            z-index: 1;
        }

        .selling-card p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        /* ========== SCENARIO ========== */
        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }

        .scenario-image {
            height: 100%;
            min-height: 360px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .scenario-body {
            padding: 40px 36px;
        }

        .scenario-body h3 {
            font-weight: 800;
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .scenario-body p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .scenario-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .scenario-list li {
            padding: 8px 0;
            padding-left: 24px;
            position: relative;
            color: var(--color-text);
            font-weight: 500;
            font-size: 0.95rem;
        }

        .scenario-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            transform: translateY(-50%);
        }

        /* ========== SOCIAL PROOF ========== */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .proof-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .proof-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .proof-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .proof-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-card .stars {
            color: var(--color-accent);
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .testimonial-card .quote {
            font-style: italic;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }

        .testimonial-card .author {
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.9rem;
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--color-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-primary);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA STRIP ========== */
        .cta-strip {
            background: var(--color-primary);
            color: #fff;
            padding: 48px 0;
            text-align: center;
            border-radius: 0;
        }

        .cta-strip h3 {
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-strip p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            font-size: 1.05rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-strip .btn-accent {
            background: #fff;
            color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            font-weight: 700;
        }

        .cta-strip .btn-accent:hover {
            background: #f0f4ff;
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }

        /* ========== BOTTOM FIXED BAR ========== */
        .bottom-fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--color-border);
            padding: 12px 0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            display: none;
        }

        .bottom-fixed-cta.visible {
            display: block;
        }

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

        .bottom-fixed-cta .info-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .bottom-fixed-cta .info-text span {
            color: var(--color-primary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f2e;
            color: #cbd5e1;
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: #94a3b8;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.8rem;
            color: #64748b;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom .divider {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 4px;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-visual {
                order: -1;
            }

            .hero-visual-inner {
                max-width: 100%;
            }

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

            .scenario-block {
                grid-template-columns: 1fr;
            }

            .scenario-image {
                min-height: 240px;
                order: -1;
            }

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

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

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

            .section-title {
                font-size: 1.7rem;
            }

            .hero-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 100;
            }

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

            .nav-links a {
                padding: 10px 16px;
                border-radius: 10px;
                width: 100%;
                text-align: left;
                font-size: 0.95rem;
            }

            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                width: 100%;
            }

            .mobile-toggle {
                display: block;
            }

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

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

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

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

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn-brand,
            .hero-actions .btn-outline-brand {
                width: 100%;
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }

            .section {
                padding: 40px 0;
            }

            .section-lg {
                padding: 52px 0;
            }

            .hero-section {
                padding: 40px 0 36px;
            }

            .hero-title {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .scenario-body {
                padding: 24px 20px;
            }

            .bottom-fixed-cta .inner {
                flex-direction: column;
                text-align: center;
            }

            .bottom-fixed-cta .btn-brand {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }

            .hero-desc {
                font-size: 0.95rem;
            }

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

            .proof-num {
                font-size: 1.8rem;
            }

            .card-custom {
                padding: 20px;
            }

            .selling-card {
                padding: 22px 18px;
            }

            .hero-stats-row {
                gap: 8px;
            }

            .hero-stat-item {
                padding: 8px 6px;
            }

            .hero-stat-item .stat-num {
                font-size: 1.2rem;
            }

            .container {
                padding: 0 14px;
            }
        }

        /* ========== ADDITIONAL SECTIONS ========== */
        .feature-list-block {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .feature-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .feature-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .feature-list-item .icon-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-primary);
            font-size: 1.1rem;
        }

        .feature-list-item h5 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .feature-list-item p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.5;
        }

        .highlight-box {
            background: var(--color-primary-lighter);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            border-left: 5px solid var(--color-primary);
            margin: 20px 0;
        }

        .highlight-box p {
            margin-bottom: 0;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.7;
            font-size: 1rem;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }

        .process-step h5 {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .feature-list-block {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }