/* roulang page: index */
:root {
            --brand-500: #ee3d1c;
            --brand-600: #d62a14;
            --brand-700: #b11d14;
            --accent-500: #0c8ee9;
            --accent-600: #0070c7;
            --surface-dark: #0f1117;
            --surface-card: #1a1d27;
            --surface-elevated: #232733;
            --surface-border: #2e3240;
            --text-primary: #f1f3f9;
            --text-secondary: #b0b8c8;
            --text-muted: #6b7280;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(238, 61, 28, 0.18);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: #0f1117;
            color: #f1f3f9;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #f26b46;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding: 0 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 3rem;
            }
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .nav-header.scrolled {
            background: rgba(15, 17, 23, 0.94);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2.5rem;
                height: 68px;
            }
        }
        @media (min-width: 1024px) {
            .nav-inner {
                padding: 0 3rem;
                height: 72px;
            }
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-500);
            box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            animation: logoPulse 2.4s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 10px rgba(238, 61, 28, 0.5);
            }
            50% {
                box-shadow: 0 0 22px rgba(238, 61, 28, 0.9);
            }
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }
        .nav-lang-switch {
            display: none;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 2rem;
            padding: 3px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        @media (min-width: 1024px) {
            .nav-lang-switch {
                display: flex;
            }
        }
        .nav-lang-switch button {
            padding: 0.35rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .nav-lang-switch button.active-lang {
            background: #fff;
            color: #0f1117;
            font-weight: 600;
        }
        .nav-lang-switch button:hover {
            color: #fff;
        }
        .nav-lang-switch button.active-lang:hover {
            color: #0f1117;
        }
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 1.3rem;
            transition: all var(--transition-fast);
        }
        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 17, 23, 0.97);
            backdrop-filter: blur(16px);
            z-index: 99;
            flex-direction: column;
            padding: 1.5rem;
            gap: 0.5rem;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 0.85rem 1.2rem;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .mobile-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.12);
            border-color: rgba(238, 61, 28, 0.25);
            font-weight: 600;
        }

        /* Section spacing */
        .section-spacing {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section-spacing {
                padding: 5.5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section-spacing {
                padding: 7rem 0;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: 80px;
            overflow: hidden;
            background: linear-gradient(180deg, #0f1117 0%, #1a1d27 40%, #0f1117 100%);
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
            filter: saturate(0.6) brightness(0.7);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(238, 61, 28, 0.08) 0%, transparent 70%),
                radial-gradient(ellipse at 30% 50%, rgba(12, 142, 233, 0.06) 0%, transparent 60%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(238, 61, 28, 0.12);
            border: 1px solid rgba(238, 61, 28, 0.3);
            border-radius: 2rem;
            padding: 0.4rem 1rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: #f79d7b;
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
            animation: fadeInUp 0.7s ease-out;
        }
        .hero-badge .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #ee3d1c;
            animation: logoPulse 1.5s ease-in-out infinite;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 1.2rem;
            animation: fadeInUp 0.7s ease-out 0.1s both;
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 3.6rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 4.2rem;
            }
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, #ee3d1c 0%, #f79d7b 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: #b0b8c8;
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto 2rem;
            animation: fadeInUp 0.7s ease-out 0.2s both;
        }
        @media (min-width: 768px) {
            .hero-subtitle {
                font-size: 1.15rem;
            }
        }
        .hero-search-wrap {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 3rem;
            padding: 0.35rem;
            max-width: 520px;
            margin: 0 auto 1.8rem;
            animation: fadeInUp 0.7s ease-out 0.3s both;
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .hero-search-wrap:focus-within {
            border-color: rgba(238, 61, 28, 0.5);
            box-shadow: 0 0 0 6px rgba(238, 61, 28, 0.08);
        }
        .hero-search-wrap input {
            flex: 1;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 0.95rem;
            padding: 0.7rem 1.2rem;
            min-width: 0;
        }
        .hero-search-wrap input::placeholder {
            color: #6b7280;
        }
        .hero-search-wrap button {
            background: #ee3d1c;
            color: #fff;
            border-radius: 3rem;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .hero-search-wrap button:hover {
            background: #d62a14;
            box-shadow: 0 4px 20px rgba(238, 61, 28, 0.4);
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.5rem;
            animation: fadeInUp 0.7s ease-out 0.4s both;
        }
        .hero-tags a {
            display: inline-flex;
            align-items: center;
            padding: 0.4rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .hero-tags a:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.18);
            color: #fff;
            transform: translateY(-1px);
        }
        .hero-tags a.tag-hot {
            border-color: rgba(238, 61, 28, 0.35);
            background: rgba(238, 61, 28, 0.08);
            color: #f79d7b;
        }

        /* Cards */
        .card-elevated {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
        }
        .card-elevated:hover {
            border-color: rgba(255, 255, 255, 0.14);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .card-glow {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .card-glow::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(238, 61, 28, 0.06) 0%, transparent 70%);
            opacity: 0;
            transition: opacity var(--transition-smooth);
            pointer-events: none;
        }
        .card-glow:hover::before {
            opacity: 1;
        }
        .card-glow:hover {
            border-color: rgba(238, 61, 28, 0.25);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        /* Badge */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .badge-hot {
            background: rgba(238, 61, 28, 0.15);
            color: #f79d7b;
            border: 1px solid rgba(238, 61, 28, 0.25);
        }
        .badge-new {
            background: rgba(12, 142, 233, 0.15);
            color: #7cc6fc;
            border: 1px solid rgba(12, 142, 233, 0.25);
        }
        .badge-popular {
            background: rgba(34, 197, 94, 0.15);
            color: #86efac;
            border: 1px solid rgba(34, 197, 94, 0.25);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.75rem 1.8rem;
            border-radius: 3rem;
            font-weight: 600;
            font-size: 0.9rem;
            background: #ee3d1c;
            color: #fff;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #d62a14;
            box-shadow: 0 6px 24px rgba(238, 61, 28, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.7rem 1.6rem;
            border-radius: 3rem;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 1rem;
            border-radius: 2rem;
            font-weight: 500;
            font-size: 0.85rem;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        /* FAQ accordion */
        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            background: #1a1d27;
            margin-bottom: 0.6rem;
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
        }
        .faq-question {
            width: 100%;
            padding: 1.1rem 1.5rem;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: #f1f3f9;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            outline: none;
        }
        .faq-question:focus-visible {
            outline: 2px solid rgba(238, 61, 28, 0.5);
            outline-offset: -2px;
            border-radius: var(--radius-lg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: #b0b8c8;
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }
        .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            font-size: 1.2rem;
            color: #6b7280;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: #ee3d1c;
        }

        /* Timeline */
        .timeline-node {
            position: relative;
            padding-left: 2.5rem;
            padding-bottom: 2rem;
            border-left: 2px solid rgba(255, 255, 255, 0.08);
        }
        .timeline-node:last-child {
            border-left-color: transparent;
            padding-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: -9px;
            top: 2px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #ee3d1c;
            box-shadow: 0 0 16px rgba(238, 61, 28, 0.5);
            border: 3px solid #0f1117;
        }
        .timeline-node.upcoming .timeline-dot {
            background: #0c8ee9;
            box-shadow: 0 0 16px rgba(12, 142, 233, 0.5);
        }

        /* Table */
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .compare-table th,
        .compare-table td {
            padding: 1rem 1.2rem;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .compare-table th {
            background: #1a1d27;
            font-weight: 700;
            font-size: 0.9rem;
            color: #f1f3f9;
        }
        .compare-table td {
            background: #0f1117;
            font-size: 0.85rem;
            color: #b0b8c8;
        }
        .compare-table .col-highlight {
            background: rgba(238, 61, 28, 0.06);
            border-left: 1px solid rgba(238, 61, 28, 0.2);
            border-right: 1px solid rgba(238, 61, 28, 0.2);
        }
        .compare-table .col-highlight th {
            background: rgba(238, 61, 28, 0.12);
            color: #f79d7b;
        }
        .compare-table .col-highlight td {
            background: rgba(238, 61, 28, 0.03);
        }
        .check-icon {
            color: #22c55e;
            font-weight: 700;
        }
        .cross-icon {
            color: #6b7280;
        }

        /* Footer */
        .site-footer {
            background: #0a0c12;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: #6b7280;
        }
        .footer-bottom a {
            color: #6b7280;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #b0b8c8;
        }

        /* Animations */
        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }
        .shimmer-text {
            background: linear-gradient(90deg, #f79d7b 0%, #fff 50%, #f79d7b 100%);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: shimmer 3s linear infinite;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #0f1117;
        }
        ::-webkit-scrollbar-thumb {
            background: #2e3240;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #4a4f60;
        }

        /* Focus visible */
        :focus-visible {
            outline: 2px solid rgba(238, 61, 28, 0.6);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category2 */
:root {
            --brand-500: #ee3d1c;
            --brand-600: #d62a14;
            --brand-700: #b11d14;
            --accent-500: #0c8ee9;
            --accent-600: #0070c7;
            --surface-dark: #0f1117;
            --surface-card: #1a1d27;
            --surface-elevated: #232733;
            --surface-border: #2e3240;
            --text-primary: #f1f3f9;
            --text-secondary: #b0b8c8;
            --text-muted: #6b7280;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(238, 61, 28, 0.18);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: #0f1117;
            color: #f1f3f9;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #f26b46;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding: 0 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 3rem;
            }
        }
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .nav-header.scrolled {
            background: rgba(15, 17, 23, 0.94);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2.5rem;
                height: 68px;
            }
        }
        @media (min-width: 1024px) {
            .nav-inner {
                padding: 0 3rem;
                height: 72px;
            }
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-500);
            box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            animation: logoPulse 2.4s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            }
            50% {
                box-shadow: 0 0 24px rgba(238, 61, 28, 1);
            }
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }
        .nav-lang-switch {
            display: none;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 2rem;
            padding: 3px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .nav-lang-switch {
                display: flex;
            }
        }
        .nav-lang-switch button {
            padding: 0.35rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .nav-lang-switch button.active-lang {
            background: #fff;
            color: #0f1117;
            font-weight: 600;
        }
        .nav-lang-switch button:hover {
            color: #fff;
        }
        .nav-lang-switch button.active-lang:hover {
            color: #0f1117;
        }
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 1.3rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 17, 23, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            padding: 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 0.85rem 1.2rem;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
        }
        .section-spacing {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section-spacing {
                padding: 5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section-spacing {
                padding: 6rem 0;
            }
        }
        .card-hover {
            transition: all var(--transition-smooth);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            border-color: rgba(238, 61, 28, 0.3);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            background: var(--brand-500);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-xl);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--brand-600);
            box-shadow: 0 6px 28px rgba(238, 61, 28, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.9rem;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-xl);
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .badge-tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 2rem;
            background: rgba(238, 61, 28, 0.15);
            color: #f26b46;
            letter-spacing: 0.02em;
        }
        .glow-border {
            position: relative;
        }
        .glow-border::after {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: inherit;
            padding: 1px;
            background: linear-gradient(135deg, rgba(238, 61, 28, 0.5), transparent 40%, transparent 60%, rgba(12, 142, 233, 0.4));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 17, 23, 0.65) 0%, rgba(15, 17, 23, 0.82) 60%, #0f1117 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.7s ease-out forwards;
        }
        .animate-fade-in-up-delay {
            animation: fadeInUp 0.7s ease-out 0.2s forwards;
            opacity: 0;
        }
        .animate-fade-in-up-delay-2 {
            animation: fadeInUp 0.7s ease-out 0.4s forwards;
            opacity: 0;
        }
        .site-footer {
            background: #0c0e14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
                gap: 2.5rem;
            }
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            align-items: center;
            font-size: 0.8rem;
            color: #6b7280;
        }
        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1;
            background: linear-gradient(135deg, #f26b46 0%, #ee3d1c 50%, #d62a14 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        @media (min-width: 768px) {
            .stat-number {
                font-size: 3.5rem;
            }
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            color: #fff;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            color: #f1f3f9;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding-top 0.4s ease;
            color: #b0b8c8;
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 0.8rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            transition: transform var(--transition-smooth);
            font-size: 1.4rem;
            flex-shrink: 0;
            color: #6b7280;
        }
        .league-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--surface-card);
            border: 1px solid var(--surface-border);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .league-card:hover {
            border-color: rgba(238, 61, 28, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .league-card .league-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .league-card:hover .league-card-img {
            transform: scale(1.04);
        }
        @media (min-width: 768px) {
            .league-card .league-card-img {
                height: 200px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-500: #ee3d1c;
            --brand-600: #d62a14;
            --brand-700: #b11d14;
            --accent-500: #0c8ee9;
            --accent-600: #0070c7;
            --surface-dark: #0f1117;
            --surface-card: #1a1d27;
            --surface-elevated: #232733;
            --surface-border: #2e3240;
            --text-primary: #f1f3f9;
            --text-secondary: #b0b8c8;
            --text-muted: #6b7280;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(238, 61, 28, 0.18);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: #0f1117;
            color: #f1f3f9;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #f26b46;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 3rem;
            }
        }
        @media (min-width: 1280px) {
            .container-custom {
                padding: 0 3.5rem;
            }
        }
        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .nav-header.scrolled {
            background: rgba(15, 17, 23, 0.94);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2.5rem;
                height: 68px;
            }
        }
        @media (min-width: 1024px) {
            .nav-inner {
                padding: 0 3rem;
                height: 72px;
            }
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-500);
            box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            animation: logoPulse 2.4s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            }
            50% {
                box-shadow: 0 0 28px rgba(238, 61, 28, 0.95);
            }
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }
        .nav-lang-switch {
            display: none;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 2rem;
            padding: 3px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        @media (min-width: 768px) {
            .nav-lang-switch {
                display: flex;
            }
        }
        .nav-lang-switch button {
            padding: 0.35rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .nav-lang-switch button.active-lang {
            background: #fff;
            color: #0f1117;
            font-weight: 600;
        }
        .nav-lang-switch button:hover {
            color: #fff;
        }
        .nav-lang-switch button.active-lang:hover {
            color: #0f1117;
        }
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }
        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            position: relative;
            transition: all var(--transition-fast);
        }
        .mobile-menu-btn span::before,
        .mobile-menu-btn span::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
            left: 0;
        }
        .mobile-menu-btn span::before {
            top: -6px;
        }
        .mobile-menu-btn span::after {
            top: 6px;
        }
        .mobile-menu-btn.open span {
            background: transparent;
        }
        .mobile-menu-btn.open span::before {
            top: 0;
            transform: rotate(45deg);
        }
        .mobile-menu-btn.open span::after {
            top: 0;
            transform: rotate(-45deg);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(15, 17, 23, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1rem 1.5rem;
            z-index: 99;
            flex-direction: column;
            gap: 0.3rem;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .mobile-nav-panel a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }
        /* Hero */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 72px;
            background: #0f1117;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.55;
            filter: brightness(0.7) saturate(1.1);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(15, 17, 23, 0.3) 0%, rgba(15, 17, 23, 0.7) 50%, rgba(15, 17, 23, 0.95) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        /* Countdown */
        .countdown-item {
            background: rgba(26, 29, 39, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 1rem 1.4rem;
            min-width: 72px;
            text-align: center;
            backdrop-filter: blur(10px);
            transition: all var(--transition-smooth);
        }
        .countdown-item:hover {
            border-color: rgba(238, 61, 28, 0.4);
            box-shadow: 0 0 24px rgba(238, 61, 28, 0.12);
            transform: translateY(-2px);
        }
        .countdown-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
            font-family: 'Inter', 'SF Mono', 'PingFang SC', monospace;
        }
        @media (min-width: 768px) {
            .countdown-value {
                font-size: 3rem;
            }
            .countdown-item {
                padding: 1.2rem 1.8rem;
                min-width: 90px;
            }
        }
        /* Card styles */
        .card-elevated {
            background: var(--surface-card);
            border: 1px solid var(--surface-border);
            border-radius: var(--radius-xl);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card-elevated:hover {
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card-glow-hover {
            transition: all var(--transition-smooth);
        }
        .card-glow-hover:hover {
            box-shadow: 0 0 48px rgba(238, 61, 28, 0.1), 0 8px 32px rgba(0, 0, 0, 0.4);
            border-color: rgba(238, 61, 28, 0.25);
        }
        /* Button */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background: var(--brand-500);
            color: #fff;
            font-weight: 600;
            border-radius: 2rem;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(238, 61, 28, 0.3);
            white-space: nowrap;
        }
        .btn-brand:hover {
            background: var(--brand-600);
            box-shadow: 0 6px 28px rgba(238, 61, 28, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-brand:active {
            transform: scale(0.97);
            transition: transform 100ms ease;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: transparent;
            color: #fff;
            font-weight: 500;
            border-radius: 2rem;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        /* Section titles */
        .section-label {
            display: inline-block;
            padding: 0.35rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(238, 61, 28, 0.12);
            color: #f26b46;
            margin-bottom: 0.75rem;
        }
        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--surface-border);
            transition: all var(--transition-fast);
        }
        .faq-item summary {
            cursor: pointer;
            padding: 1.25rem 0;
            font-weight: 600;
            font-size: 1.05rem;
            color: #f1f3f9;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color var(--transition-fast);
        }
        .faq-item summary:hover {
            color: #f26b46;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
            font-size: 1.2rem;
            color: #b0b8c8;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: rgba(238, 61, 28, 0.15);
            color: #f26b46;
        }
        .faq-item .faq-answer {
            padding: 0 0 1.25rem 0;
            color: #b0b8c8;
            line-height: 1.8;
            font-size: 0.95rem;
        }
        /* Footer */
        .site-footer {
            background: #0a0c12;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
                gap: 2rem;
            }
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #6b7280;
        }
        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }
        /* Pulse ring for live indicator */
        @keyframes pulseRing {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(238, 61, 28, 0.6);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(238, 61, 28, 0);
            }
        }
        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            background: rgba(238, 61, 28, 0.15);
            color: #f26b46;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.03em;
        }
        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ee3d1c;
            animation: pulseRing 2s ease-in-out infinite;
        }
        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #0f1117;
        }
        ::-webkit-scrollbar-thumb {
            background: #2e3240;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3e4250;
        }

/* roulang page: category3 */
:root {
            --brand-500: #ee3d1c;
            --brand-600: #d62a14;
            --brand-700: #b11d14;
            --accent-500: #0c8ee9;
            --accent-600: #0070c7;
            --surface-dark: #0f1117;
            --surface-card: #1a1d27;
            --surface-elevated: #232733;
            --surface-border: #2e3240;
            --text-primary: #f1f3f9;
            --text-secondary: #b0b8c8;
            --text-muted: #6b7280;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(238, 61, 28, 0.18);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: #0f1117;
            color: #f1f3f9;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: #f26b46;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 3rem;
            }
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .nav-header.scrolled {
            background: rgba(15, 17, 23, 0.94);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2.5rem;
                height: 68px;
            }
        }

        @media (min-width: 1024px) {
            .nav-inner {
                padding: 0 3rem;
                height: 72px;
            }
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }

        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-500);
            box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            animation: logoPulse 2.4s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            }
            50% {
                box-shadow: 0 0 26px rgba(238, 61, 28, 1);
            }
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }

        .nav-lang-switch {
            display: none;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 2rem;
            padding: 3px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .nav-lang-switch {
                display: flex;
            }
        }

        .nav-lang-switch button {
            padding: 0.35rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .nav-lang-switch button.active-lang {
            background: #fff;
            color: #0f1117;
            font-weight: 600;
        }

        .nav-lang-switch button:hover {
            color: #fff;
        }

        .nav-lang-switch button.active-lang:hover {
            color: #0f1117;
        }

        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 1.3rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }

        /* Mobile nav drawer */
        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: #1a1d27;
            z-index: 200;
            padding: 1.5rem;
            transition: right var(--transition-smooth);
            overflow-y: auto;
            border-left: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-nav-drawer.open {
            right: 0;
        }

        .mobile-nav-drawer .drawer-close {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            margin-bottom: 1.5rem;
            transition: all var(--transition-fast);
        }

        .mobile-nav-drawer .drawer-close:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-nav-drawer .drawer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .mobile-nav-drawer .drawer-links a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
        }

        .mobile-nav-drawer .drawer-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .mobile-nav-drawer .drawer-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 150;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* Hero Section */
        .hero-replay {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-replay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 17, 23, 0.55) 0%, rgba(15, 17, 23, 0.78) 40%, rgba(15, 17, 23, 0.92) 100%);
            z-index: 1;
        }

        .hero-replay::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(238, 61, 28, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 40%, rgba(12, 142, 233, 0.08) 0%, transparent 55%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-replay-content {
            position: relative;
            z-index: 3;
            text-align: center;
            padding: 6rem 1.5rem 4rem;
            max-width: 900px;
            width: 100%;
        }

        .hero-replay-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            background: rgba(238, 61, 28, 0.18);
            border: 1px solid rgba(238, 61, 28, 0.35);
            font-size: 0.85rem;
            font-weight: 600;
            color: #f26b46;
            letter-spacing: 0.04em;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.7s ease-out;
        }

        .hero-replay-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #ee3d1c;
            animation: logoPulse 1.6s ease-in-out infinite;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-replay-title {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.15;
            color: #fff;
            margin: 0 0 1rem;
            animation: fadeInUp 0.7s ease-out 0.1s both;
        }

        @media (min-width: 768px) {
            .hero-replay-title {
                font-size: 3.6rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-replay-title {
                font-size: 4.2rem;
            }
        }

        .hero-replay-subtitle {
            font-size: 1.1rem;
            color: #b0b8c8;
            max-width: 620px;
            margin: 0 auto 2rem;
            line-height: 1.7;
            animation: fadeInUp 0.7s ease-out 0.2s both;
        }

        @media (min-width: 768px) {
            .hero-replay-subtitle {
                font-size: 1.2rem;
            }
        }

        /* Countdown Bar */
        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
            padding: 0.9rem 1.8rem;
            border-radius: var(--radius-xl);
            background: rgba(26, 29, 39, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            margin-bottom: 2rem;
            animation: fadeInUp 0.7s ease-out 0.3s both;
        }

        .countdown-bar .countdown-label {
            font-size: 0.85rem;
            color: #b0b8c8;
            font-weight: 500;
            white-space: nowrap;
        }

        .countdown-bar .countdown-digits {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .countdown-bar .countdown-digit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 48px;
            padding: 0 0.4rem;
            border-radius: var(--radius-md);
            background: rgba(238, 61, 28, 0.2);
            border: 1px solid rgba(238, 61, 28, 0.3);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.02em;
        }

        .countdown-bar .countdown-sep {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ee3d1c;
            margin: 0 2px;
        }

        .countdown-bar .countdown-unit {
            font-size: 0.7rem;
            color: #b0b8c8;
            font-weight: 500;
            margin-left: 3px;
        }

        /* Hero Buttons */
        .hero-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
            justify-content: center;
            animation: fadeInUp 0.7s ease-out 0.4s both;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 2.5rem;
            font-size: 1rem;
            font-weight: 700;
            background: linear-gradient(135deg, #ee3d1c 0%, #d62a14 100%);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 20px rgba(238, 61, 28, 0.35);
            letter-spacing: 0.02em;
        }

        .btn-primary-hero:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(238, 61, 28, 0.5);
            color: #fff;
        }

        .btn-primary-hero:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(238, 61, 28, 0.3);
        }

        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 2.5rem;
            font-size: 1rem;
            font-weight: 700;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: all var(--transition-bounce);
            letter-spacing: 0.02em;
        }

        .btn-outline-hero:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-hero:active {
            transform: translateY(0);
        }

        /* Section Styles */
        .section-replay {
            padding: 5rem 0;
        }

        @media (min-width: 768px) {
            .section-replay {
                padding: 6rem 0;
            }
        }

        @media (min-width: 1024px) {
            .section-replay {
                padding: 7rem 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-tag {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            background: rgba(12, 142, 233, 0.12);
            border: 1px solid rgba(12, 142, 233, 0.25);
            font-size: 0.8rem;
            font-weight: 600;
            color: #0c8ee9;
            letter-spacing: 0.05em;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin: 0 0 0.75rem;
            line-height: 1.2;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.8rem;
            }
        }

        .section-desc {
            font-size: 1.05rem;
            color: #b0b8c8;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Feature Cards */
        .feature-card {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #ee3d1c, #0c8ee9);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .feature-card:hover {
            border-color: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        }

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

        .feature-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            background: rgba(238, 61, 28, 0.1);
            color: #ee3d1c;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.6rem;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: #b0b8c8;
            margin: 0;
            line-height: 1.6;
        }

        /* Match Card */
        .match-card {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .match-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
            border-color: rgba(255, 255, 255, 0.14);
        }

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

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

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

        .match-card-image .match-duration {
            position: absolute;
            bottom: 0.75rem;
            right: 0.75rem;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }

        .match-card-image .match-badge-hot {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            background: #ee3d1c;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .match-card-body {
            padding: 1.2rem 1.3rem;
        }

        .match-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.4rem;
            line-height: 1.4;
        }

        .match-card-body .match-meta {
            font-size: 0.8rem;
            color: #6b7280;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        /* Stats */
        .stat-block {
            text-align: center;
            padding: 1.5rem;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: #fff;
            line-height: 1;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 3.4rem;
            }
        }

        .stat-number .stat-plus {
            color: #ee3d1c;
        }

        .stat-label {
            font-size: 0.9rem;
            color: #b0b8c8;
            margin-top: 0.4rem;
            font-weight: 500;
        }

        /* Process Steps */
        .process-step {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.5rem;
            border-radius: var(--radius-xl);
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition-smooth);
        }

        .process-step:hover {
            border-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }

        .process-step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #ee3d1c, #d62a14);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .process-step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.3rem;
        }

        .process-step-content p {
            font-size: 0.88rem;
            color: #b0b8c8;
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            background: #1a1d27;
            overflow: hidden;
            transition: all var(--transition-fast);
            margin-bottom: 0.75rem;
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
        }

        .faq-question {
            width: 100%;
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: transparent;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            border: none;
            text-align: left;
            gap: 1rem;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-bounce);
            font-size: 0.8rem;
            color: #b0b8c8;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(238, 61, 28, 0.2);
            color: #ee3d1c;
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: #b0b8c8;
            margin: 0;
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(180deg, #1a1d27 0%, #0f1117 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(238, 61, 28, 0.06) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(12, 142, 233, 0.05) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 4rem 1.5rem;
        }

        @media (min-width: 768px) {
            .cta-content {
                padding: 5rem 2rem;
            }
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: #fff;
            margin: 0 0 1rem;
        }

        @media (min-width: 768px) {
            .cta-title {
                font-size: 2.5rem;
            }
        }

        .cta-desc {
            font-size: 1.05rem;
            color: #b0b8c8;
            max-width: 550px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #0a0c12;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 3rem 0 2rem;
        }

        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 2.5rem;
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.8fr 1fr 1fr 1.3fr;
            }
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #6b7280;
        }

        .footer-bottom a {
            color: #6b7280;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #b0b8c8;
        }

        /* Testimonial */
        .testimonial-card {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            border-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }

        .testimonial-stars {
            color: #f59e0b;
            font-size: 0.85rem;
            letter-spacing: 0.1em;
            margin-bottom: 0.8rem;
        }

        .testimonial-text {
            font-size: 0.9rem;
            color: #b0b8c8;
            line-height: 1.7;
            margin-bottom: 1rem;
            font-style: italic;
        }

        .testimonial-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
        }

        .testimonial-role {
            font-size: 0.75rem;
            color: #6b7280;
        }

        /* Scroll animations */
        .reveal-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease-out, transform 0.7s ease-out;
        }

        .reveal-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Dark section alternate */
        .section-alt {
            background: #11131b;
        }

        /* Responsive adjustments */
        @media (max-width: 640px) {
            .hero-replay-title {
                font-size: 2rem;
            }
            .hero-replay-subtitle {
                font-size: 0.95rem;
            }
            .countdown-bar {
                padding: 0.7rem 1rem;
                gap: 0.6rem;
            }
            .countdown-bar .countdown-digit {
                min-width: 34px;
                height: 38px;
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                padding: 0.7rem 1.4rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category6 */
:root {
            --brand-500: #ee3d1c;
            --brand-600: #d62a14;
            --brand-700: #b11d14;
            --accent-500: #0c8ee9;
            --accent-600: #0070c7;
            --surface-dark: #0f1117;
            --surface-card: #1a1d27;
            --surface-elevated: #232733;
            --surface-border: #2e3240;
            --text-primary: #f1f3f9;
            --text-secondary: #b0b8c8;
            --text-muted: #6b7280;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(238, 61, 28, 0.18);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: #0f1117;
            color: #f1f3f9;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #f26b46;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .nav-header.scrolled {
            background: rgba(15, 17, 23, 0.94);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2.5rem;
                height: 68px;
            }
        }
        @media (min-width: 1024px) {
            .nav-inner {
                padding: 0 3rem;
                height: 72px;
            }
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ee3d1c;
            box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            animation: logoPulse 2.4s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            }
            50% {
                box-shadow: 0 0 28px rgba(238, 61, 28, 1);
            }
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: 0.75rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }
        .nav-lang-switch {
            display: none;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 2rem;
            padding: 3px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .nav-lang-switch {
                display: flex;
            }
        }
        .nav-lang-switch button {
            padding: 0.35rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .nav-lang-switch button.active-lang {
            background: #fff;
            color: #0f1117;
            font-weight: 600;
        }
        .nav-lang-switch button:hover {
            color: #fff;
        }
        .nav-lang-switch button.active-lang:hover {
            color: #0f1117;
        }
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 0.5rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }
        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 17, 23, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            flex-direction: column;
            padding: 1.5rem;
            gap: 0.5rem;
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            display: block;
            padding: 0.85rem 1.25rem;
            border-radius: 0.75rem;
            font-size: 1rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
        }
        .mobile-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .mobile-nav a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }
        @media (min-width: 768px) {
            .mobile-nav {
                top: 68px;
            }
        }
        @media (min-width: 1024px) {
            .mobile-nav {
                display: none !important;
            }
        }

        /* Page offset for fixed nav */
        .page-offset {
            padding-top: 64px;
        }
        @media (min-width: 768px) {
            .page-offset {
                padding-top: 68px;
            }
        }
        @media (min-width: 1024px) {
            .page-offset {
                padding-top: 72px;
            }
        }

        /* Container */
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding: 0 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 3rem;
            }
        }

        /* Bento grid */
        .bento-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .bento-grid {
                grid-template-columns: 1.5fr 1fr;
                grid-template-rows: auto auto;
                gap: 1.25rem;
            }
        }
        @media (min-width: 1024px) {
            .bento-grid {
                grid-template-columns: 2fr 1fr;
                gap: 1.5rem;
            }
        }
        .bento-main {
            grid-row: span 2;
        }
        @media (min-width: 768px) {
            .bento-main {
                grid-row: span 2;
            }
        }
        .bento-card {
            background: rgba(26, 29, 39, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1.25rem;
            padding: 1.5rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .bento-card:hover {
            border-color: rgba(255, 255, 255, 0.14);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            transform: translateY(-2px);
        }
        .bento-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(238, 61, 28, 0.3), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .bento-card:hover::before {
            opacity: 1;
        }

        /* Glow accent */
        .glow-accent {
            position: relative;
        }
        .glow-accent::after {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: inherit;
            padding: 1px;
            background: linear-gradient(135deg, rgba(238, 61, 28, 0.4), transparent 40%, transparent 60%, rgba(12, 142, 233, 0.3));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        /* Card styles */
        .card-hover {
            transition: all var(--transition-smooth);
        }
        .card-hover:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            border-color: rgba(255, 255, 255, 0.14);
            transform: translateY(-3px);
        }

        /* Badge */
        .badge-brand {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(238, 61, 28, 0.15);
            color: #f26b46;
            border: 1px solid rgba(238, 61, 28, 0.25);
        }
        .badge-accent {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(12, 142, 233, 0.12);
            color: #4da8f0;
            border: 1px solid rgba(12, 142, 233, 0.2);
        }

        /* Button styles */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: 0.75rem;
            font-weight: 600;
            font-size: 0.95rem;
            background: #ee3d1c;
            color: #fff;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 4px 20px rgba(238, 61, 28, 0.3);
        }
        .btn-primary:hover {
            background: #d62a14;
            box-shadow: 0 6px 28px rgba(238, 61, 28, 0.45);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.5rem;
            border-radius: 0.75rem;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            color: #f1f3f9;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }

        /* Section spacing */
        .section-pad {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 4.5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section-pad {
                padding: 6rem 0;
            }
        }

        /* Divider */
        .divider-thin {
            height: 1px;
            background: rgba(255, 255, 255, 0.06);
            border: none;
            margin: 0;
        }

        /* FAQ styles */
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-smooth);
        }
        .faq-item summary {
            padding: 1.25rem 0;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            color: #f1f3f9;
            transition: color var(--transition-fast);
        }
        .faq-item summary:hover {
            color: #f26b46;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            font-size: 0.8rem;
            color: #b0b8c8;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: rgba(238, 61, 28, 0.15);
            color: #f26b46;
        }
        .faq-item .faq-answer {
            padding: 0 0 1.25rem;
            color: #b0b8c8;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* Footer */
        .site-footer {
            background: #0a0c12;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 2rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #6b7280;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                margin-top: 3rem;
                padding-top: 2rem;
            }
        }
        .footer-bottom a {
            color: #6b7280;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #b0b8c8;
        }

        /* Stat number animation */
        .stat-number {
            font-variant-numeric: tabular-nums;
            font-feature-settings: "tnum";
        }

        /* Pulse ring */
        .pulse-ring {
            position: relative;
        }
        .pulse-ring::before {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px solid rgba(238, 61, 28, 0.5);
            animation: pulseRing 2s ease-out infinite;
        }
        @keyframes pulseRing {
            0% {
                transform: scale(1);
                opacity: 0.6;
            }
            100% {
                transform: scale(1.8);
                opacity: 0;
            }
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.2);
        }

/* roulang page: category4 */
:root {
            --brand-500: #ee3d1c;
            --brand-600: #d62a14;
            --brand-700: #b11d14;
            --accent-500: #0c8ee9;
            --accent-600: #0070c7;
            --surface-dark: #0f1117;
            --surface-card: #1a1d27;
            --surface-elevated: #232733;
            --surface-border: #2e3240;
            --text-primary: #f1f3f9;
            --text-secondary: #b0b8c8;
            --text-muted: #6b7280;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(238, 61, 28, 0.18);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: #0f1117;
            color: #f1f3f9;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: #f26b46;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 3rem;
            }
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .nav-header.scrolled {
            background: rgba(15, 17, 23, 0.94);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2.5rem;
                height: 68px;
            }
        }

        @media (min-width: 1024px) {
            .nav-inner {
                padding: 0 3rem;
                height: 72px;
            }
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }

        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-500);
            box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            animation: logoPulse 2.4s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            }
            50% {
                box-shadow: 0 0 24px rgba(238, 61, 28, 1);
            }
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }

        .nav-lang-switch {
            display: none;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 2rem;
            padding: 3px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .nav-lang-switch {
                display: flex;
            }
        }

        .nav-lang-switch button {
            padding: 0.35rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .nav-lang-switch button.active-lang {
            background: #fff;
            color: #0f1117;
            font-weight: 600;
        }

        .nav-lang-switch button:hover {
            color: #fff;
        }

        .nav-lang-switch button.active-lang:hover {
            color: #0f1117;
        }

        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 1.3rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }

        /* Mobile nav panel */
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: #1a1d27;
            z-index: 200;
            padding: 1.5rem;
            transition: right var(--transition-smooth);
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.6);
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            right: 0;
        }

        .mobile-nav-panel .close-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .mobile-nav-panel .close-btn:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .mobile-nav-panel .mobile-nav-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .mobile-nav-panel .mobile-nav-links a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel .mobile-nav-links a:hover,
        .mobile-nav-panel .mobile-nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 150;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            padding-top: 90px;
            padding-bottom: 60px;
            overflow: hidden;
            background: linear-gradient(160deg, #0f1117 0%, #141820 40%, #1a1d27 100%);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, #0f1117, transparent);
            z-index: 1;
        }

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

        .faux-rank-list {
            background: rgba(26, 29, 39, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-lg);
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.7rem 0.6rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

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

        .rank-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .rank-badge {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .rank-badge.top {
            background: linear-gradient(135deg, #ee3d1c, #f26b46);
            color: #fff;
        }

        .rank-badge.hot {
            background: rgba(238, 61, 28, 0.2);
            color: #f26b46;
        }

        /* Section titles */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: #ee3d1c;
            margin-bottom: 0.6rem;
            padding: 0.3rem 0.8rem;
            background: rgba(238, 61, 28, 0.08);
            border-radius: 2rem;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #f1f3f9;
            line-height: 1.25;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.4rem;
            }
        }

        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.8rem;
            }
        }

        /* Cards */
        .info-card {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .info-card:hover {
            border-color: rgba(255, 255, 255, 0.14);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .info-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #ee3d1c, #f26b46, transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

        .news-card {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .news-card:hover {
            border-color: rgba(255, 255, 255, 0.14);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .news-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

        .news-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .news-card .card-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: #ee3d1c;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.65rem;
            border-radius: 2rem;
            z-index: 2;
            letter-spacing: 0.04em;
        }

        /* FAQ */
        .faq-item {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
        }

        .faq-question {
            width: 100%;
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            background: transparent;
            color: #f1f3f9;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: #b0b8c8;
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: #ee3d1c;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

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

        .faq-answer-inner {
            padding: 0 1.5rem 1.3rem;
            color: #b0b8c8;
            font-size: 0.9rem;
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #1a1d27 0%, #141820 50%, #0f1117 100%);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-2xl);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(238, 61, 28, 0.08);
            border-radius: 50%;
            filter: blur(40px);
            pointer-events: none;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            background: #ee3d1c;
            color: #fff;
            font-weight: 600;
            border-radius: 2rem;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(238, 61, 28, 0.3);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #d62a14;
            box-shadow: 0 6px 28px rgba(238, 61, 28, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: transparent;
            color: #f1f3f9;
            font-weight: 600;
            border-radius: 2rem;
            font-size: 0.9rem;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #0a0c12;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

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

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
            }
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
            align-items: center;
            font-size: 0.78rem;
            color: #6b7280;
        }

        .footer-bottom a {
            color: #6b7280;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #b0b8c8;
        }

        /* Testimonial */
        .testimonial-card {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 1.8rem;
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            left: 1.2rem;
            font-size: 3.5rem;
            color: rgba(238, 61, 28, 0.2);
            font-weight: 800;
            line-height: 1;
            pointer-events: none;
        }

        /* Stats highlight */
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #ee3d1c;
            line-height: 1;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 3.2rem;
            }
        }

        /* Section spacing */
        .section-spacing {
            padding: 3rem 0;
        }

        @media (min-width: 768px) {
            .section-spacing {
                padding: 4.5rem 0;
            }
        }

        @media (min-width: 1024px) {
            .section-spacing {
                padding: 5.5rem 0;
            }
        }

        /* Pulse dot */
        .pulse-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulseDot 2s ease-in-out infinite;
            margin-right: 0.4rem;
        }

        @keyframes pulseDot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
        }

        /* Highlight box */
        .highlight-box {
            background: rgba(238, 61, 28, 0.06);
            border-left: 3px solid #ee3d1c;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 1rem 1.5rem;
        }

        /* Depth section */
        .depth-block {
            background: #1a1d27;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 2rem;
            position: relative;
            overflow: hidden;
        }

        .depth-block .depth-number {
            font-size: 4rem;
            font-weight: 900;
            color: rgba(238, 61, 28, 0.08);
            position: absolute;
            top: 0.5rem;
            right: 1.5rem;
            line-height: 1;
            pointer-events: none;
        }

/* roulang page: category5 */
:root {
            --brand-500: #ee3d1c;
            --brand-600: #d62a14;
            --brand-700: #b11d14;
            --accent-500: #0c8ee9;
            --accent-600: #0070c7;
            --surface-dark: #0f1117;
            --surface-card: #1a1d27;
            --surface-elevated: #232733;
            --surface-border: #2e3240;
            --text-primary: #f1f3f9;
            --text-secondary: #b0b8c8;
            --text-muted: #6b7280;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(238, 61, 28, 0.18);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: #0f1117;
            color: #f1f3f9;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: #f26b46;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 3rem;
            }
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .nav-header.scrolled {
            background: rgba(15, 17, 23, 0.94);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2.5rem;
                height: 68px;
            }
        }

        @media (min-width: 1024px) {
            .nav-inner {
                padding: 0 3rem;
                height: 72px;
            }
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition-fast);
            z-index: 101;
        }

        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }

        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-500);
            box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            animation: logoPulse 2.4s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            }
            50% {
                box-shadow: 0 0 28px rgba(238, 61, 28, 1), 0 0 48px rgba(238, 61, 28, 0.4);
            }
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }

        .nav-lang-switch {
            display: none;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 2rem;
            padding: 3px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        @media (min-width: 1024px) {
            .nav-lang-switch {
                display: flex;
            }
        }

        .nav-lang-switch button {
            padding: 0.35rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .nav-lang-switch button.active-lang {
            background: #fff;
            color: #0f1117;
            font-weight: 600;
        }

        .nav-lang-switch button:hover {
            color: #fff;
        }

        .nav-lang-switch button.active-lang:hover {
            color: #0f1117;
        }

        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 101;
            flex-direction: column;
            gap: 6px;
            padding: 8px;
        }

        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 17, 23, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-panel.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel a {
            font-size: 1.25rem;
            font-weight: 600;
            color: #b0b8c8;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .mobile-menu-panel a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu-panel a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.2);
        }

        /* Hero sub-nav pills */
        .sub-nav-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
        }

        .sub-nav-pills a {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.2rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.08);
            color: #d1d5db;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-fast);
            white-space: nowrap;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .sub-nav-pills a:hover {
            background: rgba(238, 61, 28, 0.2);
            border-color: rgba(238, 61, 28, 0.5);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(238, 61, 28, 0.2);
        }

        /* Section styles */
        .section-padding {
            padding: 5rem 0;
        }

        @media (max-width: 767px) {
            .section-padding {
                padding: 3rem 0;
            }
        }

        .section-label {
            display: inline-block;
            padding: 0.35rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(238, 61, 28, 0.12);
            color: #f26b46;
            margin-bottom: 1rem;
            border: 1px solid rgba(238, 61, 28, 0.2);
        }

        /* Card hover effects */
        .card-hover {
            transition: all var(--transition-smooth);
            border: 1px solid var(--surface-border);
        }

        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), 0 0 30px rgba(238, 61, 28, 0.08);
            border-color: rgba(238, 61, 28, 0.3);
        }

        /* Stat counter animation */
        @keyframes countUp {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .stat-reveal {
            animation: countUp 0.6s ease-out forwards;
        }

        /* Glow accent line */
        .glow-accent-line {
            width: 48px;
            height: 3px;
            border-radius: 3px;
            background: var(--brand-500);
            box-shadow: 0 0 12px rgba(238, 61, 28, 0.5);
            margin-bottom: 1.25rem;
        }

        /* FAQ accordion style */
        .faq-item {
            border: 1px solid var(--surface-border);
            border-radius: var(--radius-lg);
            background: var(--surface-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(238, 61, 28, 0.25);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.25rem 1.5rem;
            background: transparent;
            color: #f1f3f9;
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
        }

        .faq-question:hover {
            color: #f26b46;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: #b0b8c8;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-icon {
            transition: transform var(--transition-smooth);
            font-size: 1.2rem;
            color: #6b7280;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: #f26b46;
        }

        /* Data highlight card */
        .data-highlight-card {
            background: var(--surface-elevated);
            border: 1px solid var(--surface-border);
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .data-highlight-card:hover {
            border-color: rgba(238, 61, 28, 0.35);
            box-shadow: var(--shadow-md), 0 0 24px rgba(238, 61, 28, 0.06);
        }

        .data-highlight-value {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f26b46 0%, #ee3d1c 60%, #ff6b4a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        /* Footer */
        .site-footer {
            background: #0a0c12;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
            }
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #6b7280;
        }

        .footer-bottom a {
            color: #6b7280;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #b0b8c8;
        }

        /* CTA button */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--brand-500);
            color: #fff;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(238, 61, 28, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-brand:hover {
            background: var(--brand-600);
            box-shadow: 0 6px 28px rgba(238, 61, 28, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transform: translateY(-1px);
        }

        /* Table mini */
        .mini-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .mini-table th {
            text-align: left;
            padding: 0.7rem 0.9rem;
            color: #6b7280;
            font-weight: 500;
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--surface-border);
        }

        .mini-table td {
            padding: 0.7rem 0.9rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
            color: #d1d5db;
        }

        .mini-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .mini-table .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.8rem;
            background: rgba(255, 255, 255, 0.06);
            color: #d1d5db;
        }

        .mini-table .rank-badge.top {
            background: rgba(238, 61, 28, 0.2);
            color: #f26b46;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: #0f1117;
        }
        ::-webkit-scrollbar-thumb {
            background: #2e3240;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3e4250;
        }

/* roulang page: category7 */
:root {
            --brand-500: #ee3d1c;
            --brand-600: #d62a14;
            --brand-700: #b11d14;
            --accent-500: #0c8ee9;
            --accent-600: #0070c7;
            --surface-dark: #0f1117;
            --surface-card: #1a1d27;
            --surface-elevated: #232733;
            --surface-border: #2e3240;
            --text-primary: #f1f3f9;
            --text-secondary: #b0b8c8;
            --text-muted: #6b7280;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(238, 61, 28, 0.18);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: #0f1117;
            color: #f1f3f9;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 72px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #f26b46;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding: 0 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 3rem;
            }
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .nav-header.scrolled {
            background: rgba(15, 17, 23, 0.94);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2.5rem;
                height: 68px;
            }
        }
        @media (min-width: 1024px) {
            .nav-inner {
                padding: 0 3rem;
                height: 72px;
            }
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }
        .nav-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-500);
            box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            animation: logoPulse 2.4s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 14px rgba(238, 61, 28, 0.7);
            }
            50% {
                box-shadow: 0 0 28px rgba(238, 61, 28, 1), 0 0 48px rgba(238, 61, 28, 0.4);
            }
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }
        .nav-lang-switch {
            display: none;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 2rem;
            padding: 3px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            margin-left: 0.75rem;
        }
        @media (min-width: 1024px) {
            .nav-lang-switch {
                display: flex;
            }
        }
        .nav-lang-switch button {
            padding: 0.35rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            background: transparent;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .nav-lang-switch button.active-lang {
            background: #fff;
            color: #0f1117;
            font-weight: 600;
        }
        .nav-lang-switch button:hover {
            color: #fff;
        }
        .nav-lang-switch button.active-lang:hover {
            color: #0f1117;
        }
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: transparent;
            color: #fff;
            font-size: 1.5rem;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 17, 23, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 99;
            padding: 1.5rem;
            overflow-y: auto;
            flex-direction: column;
            gap: 0.5rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        @media (min-width: 768px) {
            .mobile-menu {
                top: 68px;
            }
        }
        @media (min-width: 1024px) {
            .mobile-menu {
                display: none !important;
            }
        }
        .mobile-menu a {
            display: block;
            padding: 0.85rem 1.2rem;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: #b0b8c8;
            transition: all var(--transition-fast);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .mobile-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .mobile-menu a.active {
            color: #fff;
            background: rgba(238, 61, 28, 0.15);
            font-weight: 600;
        }

        /* Hero */
        .hero-vip {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(135deg, #0f1117 0%, #1a1025 40%, #150d1a 100%);
        }
        .hero-vip-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
        }
        .hero-vip-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 60% 40%, rgba(238, 61, 28, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(12, 142, 233, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, rgba(15, 17, 23, 0.3) 0%, rgba(15, 17, 23, 0.7) 100%);
        }
        .hero-vip-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        /* Card hover */
        .card-hover-lift {
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .card-hover-lift:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg), 0 0 60px rgba(238, 61, 28, 0.07);
        }

        /* Pricing card highlight */
        .pricing-highlight {
            position: relative;
            border: 2px solid var(--brand-500) !important;
            box-shadow: var(--shadow-glow), 0 0 60px rgba(238, 61, 28, 0.12);
            transform: scale(1.03);
        }
        @media (max-width: 767px) {
            .pricing-highlight {
                transform: scale(1);
            }
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--brand-500);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.35rem 1.2rem;
            border-radius: 2rem;
            white-space: nowrap;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 20px rgba(238, 61, 28, 0.4);
        }

        /* FAQ accordion */
        .faq-item {
            border-bottom: 1px solid var(--surface-border);
            transition: all var(--transition-smooth);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.2rem 0;
            background: transparent;
            color: #f1f3f9;
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .faq-question:hover {
            color: #f26b46;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
            font-size: 0.85rem;
            color: #b0b8c8;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(238, 61, 28, 0.2);
            color: #f26b46;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 1.2rem;
        }
        .faq-answer-inner {
            color: #b0b8c8;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* Step number */
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            color: #fff;
            font-weight: 800;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 6px 24px rgba(238, 61, 28, 0.3);
        }

        /* CTA section */
        .cta-section-vip {
            background: linear-gradient(160deg, #1a1025 0%, #0f1117 40%, #0d1520 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section-vip::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(238, 61, 28, 0.06) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        /* Section divider */
        .section-divider {
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--brand-500), var(--accent-500));
            margin-bottom: 1.5rem;
        }

        /* Testimonial card */
        .testimonial-card {
            background: var(--surface-card);
            border: 1px solid var(--surface-border);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            border-color: rgba(238, 61, 28, 0.3);
            box-shadow: var(--shadow-md);
        }

        @media (max-width: 767px) {
            body {
                padding-top: 64px;
            }
            .hero-vip {
                min-height: 440px;
            }
        }
        @media (min-width: 768px) {
            body {
                padding-top: 68px;
            }
        }
        @media (min-width: 1024px) {
            body {
                padding-top: 72px;
            }
        }