/* roulang page: index */
:root {
            --primary: #0f1b2d;
            --primary-light: #1a2d4a;
            --secondary: #c9a84c;
            --secondary-light: #e8c75e;
            --secondary-dark: #b8922e;
            --bg-light: #f8f9fc;
            --text-dark: #1a1a2e;
            --text-muted: #6b7280;
            --radius: 12px;
            --shadow: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            display: flex;
            min-height: 100vh;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: inherit; }

        /* 左侧导航 fixed */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 16rem;
            height: 100vh;
            background: var(--primary);
            color: #fff;
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }
        .side-nav .logo-area {
            padding: 2rem 1.5rem 1.5rem;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .side-nav .logo-area .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--secondary);
        }
        .side-nav .logo-area .logo-sub {
            font-size: 0.75rem;
            color: rgba(255,255,255,0.5);
            margin-top: 0.25rem;
            letter-spacing: 2px;
        }
        .side-nav .nav-links {
            flex: 1;
            padding: 1.5rem 1rem;
        }
        .side-nav .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.85rem 1rem;
            border-radius: 8px;
            color: rgba(255,255,255,0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 0.25rem;
        }
        .side-nav .nav-links a:hover,
        .side-nav .nav-links a.active {
            background: rgba(201, 168, 76, 0.15);
            color: var(--secondary);
        }
        .side-nav .nav-links a i { width: 1.25rem; text-align: center; font-size: 1rem; }
        .side-nav .nav-footer {
            padding: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.75rem;
            color: rgba(255,255,255,0.35);
            text-align: center;
        }

        /* 主内容区 */
        .main-wrap {
            margin-left: 16rem;
            flex: 1;
            min-height: 100vh;
            width: calc(100% - 16rem);
        }

        /* 移动端顶部导航 */
        .top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--primary);
            z-index: 1100;
            padding: 0 1.25rem;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 16px rgba(0,0,0,0.15);
        }
        .top-nav .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 1px;
        }
        .top-nav .hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 移动端菜单抽屉 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary);
            z-index: 1099;
            padding: 1.5rem;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }
        .mobile-menu.open { transform: translateX(0); }
        .mobile-menu a {
            display: block;
            padding: 1rem 1rem;
            color: rgba(255,255,255,0.7);
            font-size: 1.05rem;
            font-weight: 500;
            border-radius: 8px;
            transition: var(--transition);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--secondary);
            background: rgba(201,168,76,0.1);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,27,45,0.85) 0%, rgba(15,27,45,0.6) 50%, rgba(15,27,45,0.3) 100%);
            z-index: 1;
        }
        .hero > * { position: relative; z-index: 2; }
        .hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(201,168,76,0.2);
            border: 1px solid rgba(201,168,76,0.3);
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            backdrop-filter: blur(4px);
        }

        /* 通用板块 */
        .section { padding: 5rem 0; }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-dark);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 2.5rem;
        }

        /* 卡片 */
        .card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img { width: 100%; height: 200px; object-fit: cover; }
        .card-body { padding: 1.5rem; }
        .card-tag {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(201,168,76,0.12);
            color: var(--secondary-dark);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201,168,76,0.35);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.5);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-2px);
        }

        /* 统计数字 */
        .stat-item { text-align: center; }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-top: 0.25rem;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-hover); }
        .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--secondary); }
        .faq-question i { transition: transform 0.3s ease; }
        .faq-question.active i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 1.5rem 1.5rem;
        }

        /* CTA */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-section > * { position: relative; z-index: 1; }

        /* 流程步骤 */
        .step-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
        }
        .step-line {
            position: absolute;
            top: 2.6rem;
            right: -2rem;
            width: 4rem;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary), transparent);
        }
        .step-card:last-child .step-line { display: none; }

        /* 页脚 */
        .footer {
            background: var(--primary);
            color: rgba(255,255,255,0.7);
            padding: 3rem 0 2rem;
        }
        .footer a { color: rgba(255,255,255,0.6); }
        .footer a:hover { color: var(--secondary); }
        .footer .f-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--secondary);
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .side-nav { display: none; }
            .main-wrap { margin-left: 0; width: 100%; }
            .top-nav { display: flex; }
            .mobile-menu { display: block; }
            .hero { min-height: 70vh; }
            .section { padding: 3.5rem 0; }
            .section-title { font-size: 1.65rem; }
            .stat-number { font-size: 2.2rem; }
            .step-line { display: none; }
        }
        @media (max-width: 767px) {
            .hero { min-height: 60vh; }
            .hero h1 { font-size: 2rem !important; }
            .hero .hero-badge { font-size: 0.75rem; }
            .section { padding: 2.5rem 0; }
            .section-title { font-size: 1.4rem; }
            .stat-number { font-size: 1.8rem; }
            .card-img { height: 160px; }
            .faq-question { font-size: 0.95rem; padding: 1rem 1.25rem; }
            .btn { padding: 0.7rem 1.5rem; font-size: 0.85rem; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.6rem !important; }
            .hero .hero-sub { font-size: 0.9rem !important; }
            .section-title { font-size: 1.2rem; }
            .stat-number { font-size: 1.5rem; }
            .card-body { padding: 1rem; }
        }

        /* 工具类 */
        .container-custom { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .text-glow { text-shadow: 0 2px 20px rgba(201,168,76,0.3); }
        .bg-pattern { background-image: radial-gradient(rgba(201,168,76,0.06) 1px, transparent 1px); background-size: 24px 24px; }
        .line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* roulang page: category1 */
:root {
            --primary: #eab308;
            --primary-dark: #ca8a04;
            --primary-light: #fef08a;
            --secondary: #1e293b;
            --bg-dark: #0f172a;
            --bg-card: #1e293b;
            --bg-card-hover: #263548;
            --text-white: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(234, 179, 8, 0.25);
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 16px 48px rgba(234, 179, 8, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            display: flex;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* 左侧竖向导航 */
        .side-nav {
            width: 260px;
            min-height: 100vh;
            background: linear-gradient(180deg, #0f172a 0%, #1a2332 100%);
            border-right: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1000;
            padding: 32px 20px 24px;
            transition: var(--transition);
        }
        .side-nav .logo-area {
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 28px;
        }
        .side-nav .logo-text {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .side-nav .logo-sub {
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 4px;
            letter-spacing: 2px;
        }
        .side-nav .nav-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .side-nav .nav-links a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }
        .side-nav .nav-links a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .side-nav .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .side-nav .nav-links a.active {
            color: var(--primary);
            background: rgba(234, 179, 8, 0.1);
            box-shadow: inset 4px 0 0 var(--primary);
        }
        .side-nav .nav-links a.active::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 0 4px 4px 0;
        }
        .side-nav .nav-footer {
            margin-top: auto;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-nav .nav-footer i {
            color: var(--primary);
        }
        /* 右侧主内容 */
        .main-content {
            margin-left: 260px;
            width: calc(100% - 260px);
            min-height: 100vh;
        }
        /* Banner */
        .page-banner {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #0f172a 0%, #1a2332 50%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 1;
        }
        .page-banner .badge-cat {
            display: inline-block;
            background: rgba(234, 179, 8, 0.15);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(234, 179, 8, 0.2);
        }
        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #f1f5f9 0%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }
        /* 板块通用 */
        .section-pad {
            padding: 72px 0;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }
        .section-divider {
            width: 48px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            margin-bottom: 20px;
        }
        /* 卡片 */
        .card-base {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            transition: var(--transition);
            overflow: hidden;
        }
        .card-base:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 24px 24px;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .card-body .tag {
            display: inline-block;
            background: rgba(234, 179, 8, 0.12);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 10px;
        }
        /* 标签 */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
            cursor: default;
        }
        .tag-item:hover {
            background: rgba(234, 179, 8, 0.1);
            border-color: rgba(234, 179, 8, 0.25);
            color: var(--primary);
        }
        /* 统计数字 */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(234, 179, 8, 0.2);
            transform: translateY(-2px);
        }
        .stat-card .num {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-card .label {
            font-size: 14px;
            color: var(--text-muted);
        }
        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(234, 179, 8, 0.15);
        }
        .faq-item .q {
            font-weight: 600;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--text-white);
        }
        .faq-item .q i {
            color: var(--primary);
            transition: transform 0.3s;
        }
        .faq-item .a {
            margin-top: 12px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border: 1px solid rgba(234, 179, 8, 0.15);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-block p {
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 16px;
        }
        .btn-primary {
            display: inline-block;
            background: var(--primary);
            color: #0f172a;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 16px;
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(234, 179, 8, 0.25);
        }
        .btn-outline {
            display: inline-block;
            border: 2px solid var(--border-light);
            color: var(--text-white);
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(234, 179, 8, 0.06);
        }
        /* 页脚 */
        .footer {
            background: #0a1120;
            padding: 56px 0 32px;
            border-top: 1px solid var(--border-light);
        }
        .footer .f-logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
        }
        .footer a {
            color: rgba(255, 255, 255, 0.45);
            transition: var(--transition);
        }
        .footer a:hover {
            color: var(--primary);
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer ul li {
            margin-bottom: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer ul li i {
            color: var(--primary);
            width: 18px;
        }
        /* 表格样式 */
        .odds-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .odds-table th {
            background: rgba(234, 179, 8, 0.08);
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
        }
        .odds-table td {
            padding: 14px 16px;
            font-size: 14px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-muted);
        }
        .odds-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }
        .odds-table .highlight {
            color: var(--primary);
            font-weight: 700;
        }
        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-white);
            width: 44px;
            height: 44px;
            border-radius: var(--radius);
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .side-nav {
                width: 220px;
                padding: 24px 16px;
            }
            .main-content {
                margin-left: 220px;
                width: calc(100% - 220px);
            }
            .page-banner h1 {
                font-size: 36px;
            }
        }
        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .mobile-toggle {
                display: flex;
            }
            .side-nav {
                position: fixed;
                left: -280px;
                width: 260px;
                top: 0;
                bottom: 0;
                z-index: 1050;
                transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.5);
            }
            .side-nav.open {
                left: 0;
            }
            .side-nav-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.6);
                z-index: 1040;
            }
            .side-nav-overlay.show {
                display: block;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
            }
            .page-banner {
                padding: 60px 0 48px;
                margin-top: 0;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .page-banner p {
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-pad {
                padding: 48px 0;
            }
            .cta-block {
                padding: 36px 24px;
            }
            .cta-block h2 {
                font-size: 24px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .num {
                font-size: 32px;
            }
            .odds-table {
                font-size: 13px;
            }
            .odds-table th,
            .odds-table td {
                padding: 10px 12px;
            }
            .footer .grid {
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .num {
                font-size: 28px;
            }
            .card-body {
                padding: 16px 18px 20px;
            }
            .btn-primary {
                padding: 12px 28px;
                font-size: 14px;
            }
            .btn-outline {
                padding: 10px 24px;
                font-size: 13px;
            }
            .odds-table th,
            .odds-table td {
                padding: 8px 10px;
                font-size: 12px;
            }
            .cta-block {
                padding: 28px 16px;
            }
            .cta-block h2 {
                font-size: 20px;
            }
        }
        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-dim);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }
        /* 动画 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --accent: #fca311;
            --bg-dark: #0b1a2e;
            --bg-card: #ffffff;
            --bg-light: #f8f9fa;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-muted: #636e72;
            --text-light: #dfe6e9;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --nav-width: 240px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-light);
            color: var(--text-body);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== 左侧竖向导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-dark);
            color: #fff;
            display: flex;
            flex-direction: column;
            padding: 28px 0 20px;
            z-index: 1000;
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .side-nav .logo-area {
            padding: 0 24px 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }
        .side-nav .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #fca311, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .side-nav .logo-sub {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 2px;
            margin-top: 4px;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.4);
        }
        .side-nav .nav-links {
            flex: 1;
            padding: 0 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .side-nav .nav-links a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .side-nav .nav-links a i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.4);
            transition: var(--transition);
        }
        .side-nav .nav-links a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .side-nav .nav-links a:hover i {
            color: var(--accent);
        }
        .side-nav .nav-links a.active {
            background: rgba(230, 57, 70, 0.2);
            color: #fff;
            box-shadow: inset 3px 0 0 var(--primary);
        }
        .side-nav .nav-links a.active i {
            color: var(--primary-light);
        }
        .side-nav .nav-footer {
            padding: 16px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 12px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .side-nav .nav-footer i {
            color: var(--accent);
        }
        /* ===== 右侧主内容区 ===== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .main-content {
            flex: 1;
        }
        /* ===== 移动端顶部栏 ===== */
        .mobile-top-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: var(--bg-dark);
            padding: 0 16px;
            z-index: 1001;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-top-bar .logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fca311, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mobile-top-bar .hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-top-bar .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-overlay.show {
            opacity: 1;
        }
        /* ===== 文章横幅 ===== */
        .article-banner {
            position: relative;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 80px 0 60px;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.88) 0%, rgba(11, 26, 46, 0.6) 100%);
            z-index: 1;
        }
        .article-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .article-banner h1 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            max-width: 800px;
            margin-bottom: 16px;
        }
        .article-banner .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        .article-banner .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-banner .meta .badge {
            background: var(--primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 16px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border-color);
        }
        /* ===== 文章正文 ===== */
        .article-body {
            padding: 40px 0 60px;
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
            max-width: 800px;
        }
        .article-body .content p {
            margin-bottom: 1.2em;
        }
        .article-body .content h2,
        .article-body .content h3 {
            margin-top: 1.5em;
            margin-bottom: 0.6em;
            color: var(--text-dark);
            font-weight: 700;
        }
        .article-body .content h2 {
            font-size: 1.5rem;
        }
        .article-body .content h3 {
            font-size: 1.2rem;
        }
        .article-body .content ul,
        .article-body .content ol {
            margin-bottom: 1.2em;
            padding-left: 1.5em;
        }
        .article-body .content li {
            margin-bottom: 0.4em;
        }
        .article-body .content a {
            color: var(--primary);
            text-decoration: underline;
        }
        .article-body .content a:hover {
            color: var(--primary-dark);
        }
        .article-body .content img {
            border-radius: var(--radius);
            margin: 1.5em 0;
            box-shadow: var(--shadow-md);
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(230, 57, 70, 0.06);
            padding: 12px 20px;
            margin: 1.2em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body .content code {
            background: #f1f3f5;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
        }
        .article-body .content pre {
            background: var(--bg-dark);
            color: #e2e8f0;
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 1.2em 0;
        }
        /* ===== 相关文章 ===== */
        .related-section {
            padding: 60px 0;
            background: #fff;
            border-top: 1px solid var(--border-color);
        }
        .related-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title i {
            color: var(--primary);
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .related-card .img-wrap {
            height: 180px;
            overflow: hidden;
            background: #e9ecef;
        }
        .related-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .img-wrap img {
            transform: scale(1.05);
        }
        .related-card .info {
            padding: 16px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .info .title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .info .title:hover {
            color: var(--primary);
        }
        .related-card .info .desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }
        .related-card .info .meta-sm {
            font-size: 0.75rem;
            color: #a0aec0;
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }
        .related-card .info .meta-sm .tag {
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            padding: 0 8px;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: 600;
        }
        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
        .not-found-box .icon-lg {
            font-size: 4rem;
            color: var(--primary);
            margin-bottom: 20px;
            opacity: 0.5;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: #fff;
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .footer .f-logo {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fca311, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .footer a:hover {
            color: var(--accent);
        }
        .footer ul li {
            display: flex;
            align-items: center;
        }
        .footer ul li i {
            width: 16px;
            color: var(--accent);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-banner h1 {
                font-size: 1.6rem;
            }
            .related-card .img-wrap {
                height: 150px;
            }
        }
        @media (max-width: 768px) {
            .side-nav {
                transform: translateX(-100%);
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .mobile-top-bar {
                display: flex;
            }
            .mobile-overlay.show {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 60px;
            }
            .article-banner {
                padding: 48px 0 36px;
            }
            .article-banner h1 {
                font-size: 1.3rem;
            }
            .article-banner .meta {
                font-size: 0.8rem;
                gap: 10px;
            }
            .article-body {
                padding: 24px 0 40px;
            }
            .article-body .content {
                font-size: 0.95rem;
            }
            .related-section {
                padding: 40px 0;
            }
            .related-section .section-title {
                font-size: 1.2rem;
                margin-bottom: 20px;
            }
            .related-card .img-wrap {
                height: 140px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 12px 0;
            }
            .not-found-box {
                padding: 48px 16px;
            }
            .not-found-box h2 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 1.1rem;
            }
            .article-banner .meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .article-body .content {
                font-size: 0.9rem;
            }
            .related-card .img-wrap {
                height: 120px;
            }
            .related-card .info {
                padding: 12px 14px 16px;
            }
            .related-card .info .title {
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .footer {
                padding: 32px 0 20px;
            }
            .footer .f-logo {
                font-size: 1.1rem;
            }
        }
        @media (min-width: 769px) {
            .side-nav {
                transform: translateX(0) !important;
            }
            .mobile-top-bar {
                display: none !important;
            }
            .mobile-overlay {
                display: none !important;
            }
        }
        /* ===== 滚动条美化 ===== */
        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .side-nav::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.25);
        }
        /* ===== 返回顶部 ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            z-index: 50;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            opacity: 0;
            pointer-events: none;
        }
        .back-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        @media (max-width: 768px) {
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }
        /* ===== 标签云风格 ===== */
        .tag-pill {
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .tag-pill:hover {
            background: var(--primary);
            color: #fff;
        }
        /* ===== 分享条 ===== */
        .share-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 0;
            border-top: 1px solid var(--border-color);
            margin-top: 32px;
        }
        .share-bar .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .share-bar a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .share-bar a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 520px) {
            .share-bar {
                flex-wrap: wrap;
                gap: 8px;
            }
            .share-bar a {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
        }
        /* 文章内相关推荐小卡片 */
        .inner-related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }
        @media (max-width: 520px) {
            .inner-related-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #eab308;
            --primary-hover: #facc15;
            --accent: #06b6d4;
            --bg-dark: #0f172a;
            --bg-card: #1a2332;
            --text-white: #f8fafc;
            --text-muted: rgba(255, 255, 255, 0.5);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-card: 16px;
            --radius-btn: 10px;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        /* ===== Layout ===== */
        .layout-wrapper {
            display: flex;
            min-height: 100vh;
        }

        .side-nav {
            width: 240px;
            flex-shrink: 0;
            background: linear-gradient(180deg, #0f172a 0%, #1a2332 100%);
            border-right: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            padding: 2rem 1rem;
            position: sticky;
            top: 0;
            height: 100vh;
            overflow-y: auto;
            z-index: 100;
            transition: var(--transition);
        }

        .main-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
        }

        /* ===== Side Nav ===== */
        .logo-area {
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 2rem;
            text-align: center;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            text-shadow: 0 0 20px rgba(234, 179, 8, 0.15);
        }

        .logo-sub {
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 2px;
            margin-top: 2px;
            text-transform: uppercase;
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
            flex: 1;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1rem;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }

        .nav-links a i {
            width: 1.25rem;
            text-align: center;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.3);
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.05);
            border-left-color: rgba(234, 179, 8, 0.3);
        }

        .nav-links a:hover i {
            color: var(--primary);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(234, 179, 8, 0.1);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active i {
            color: var(--primary);
        }

        .nav-footer {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.7rem;
            color: var(--text-muted);
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
        }

        .nav-footer i {
            color: var(--accent);
        }

        /* ===== Mobile Menu Toggle ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 1rem;
            left: 1rem;
            z-index: 200;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 0.6rem 0.8rem;
            color: var(--text-white);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .mobile-toggle:hover {
            background: rgba(234, 179, 8, 0.15);
            border-color: rgba(234, 179, 8, 0.3);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 90;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(26, 35, 50, 0.8) 100%);
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
            animation: heroZoom 20s ease-in-out infinite alternate;
        }

        @keyframes heroZoom {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.05);
            }
        }

        .hero-banner .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(234, 179, 8, 0.06) 0%, transparent 60%);
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(234, 179, 8, 0.12);
            border: 1px solid rgba(234, 179, 8, 0.2);
            border-radius: 50px;
            padding: 0.35rem 1rem;
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 1.25rem;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.5px;
            max-width: 700px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--primary), #fbbf24, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 580px;
            margin-top: 1.25rem;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--primary), #fbbf24);
            color: #0f172a;
            font-weight: 700;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(234, 179, 8, 0.25);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(234, 179, 8, 0.35);
            background: linear-gradient(135deg, #facc15, #fbbf24);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-white);
            font-weight: 600;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            transition: var(--transition);
            border: 1px solid var(--border-subtle);
            backdrop-filter: blur(4px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            background: rgba(234, 179, 8, 0.08);
            padding: 0.3rem 1rem;
            border-radius: 50px;
            margin-bottom: 1rem;
            border: 1px solid rgba(234, 179, 8, 0.12);
        }

        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.3px;
            margin-bottom: 1rem;
        }

        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.8;
        }

        .section-sub.max-w-full {
            max-width: 100%;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            transform: translateY(-4px);
            border-color: rgba(234, 179, 8, 0.15);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
        }

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

        .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: rgba(234, 179, 8, 0.1);
            padding: 0.2rem 0.75rem;
            border-radius: 50px;
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .card-footer-link {
            margin-top: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .card-footer-link i {
            font-size: 0.7rem;
            transition: var(--transition);
        }

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

        /* ===== Feature Grid ===== */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }

        .feature-card:hover {
            border-color: rgba(6, 182, 212, 0.2);
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(234, 179, 8, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            font-size: 1.5rem;
            color: var(--primary);
            border: 1px solid rgba(234, 179, 8, 0.1);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: rgba(234, 179, 8, 0.15);
            border-color: rgba(234, 179, 8, 0.25);
            transform: scale(1.05);
        }

        .feature-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .feature-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
        }

        .stat-number {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
            font-weight: 500;
        }

        /* ===== Game List ===== */
        .game-item {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            padding: 1.25rem 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            transition: var(--transition);
            cursor: default;
        }

        .game-item:hover {
            border-color: rgba(234, 179, 8, 0.15);
            transform: translateX(4px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .game-rank {
            font-size: 1.5rem;
            font-weight: 800;
            color: rgba(234, 179, 8, 0.2);
            min-width: 2.5rem;
            text-align: center;
            font-feature-settings: "tnum";
        }

        .game-rank.top {
            color: var(--primary);
        }

        .game-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(6, 182, 212, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            flex-shrink: 0;
            border: 1px solid rgba(6, 182, 212, 0.1);
        }

        .game-info {
            flex: 1;
        }

        .game-name {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.15rem;
        }

        .game-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .game-badge {
            font-size: 0.7rem;
            padding: 0.2rem 0.75rem;
            border-radius: 50px;
            background: rgba(234, 179, 8, 0.1);
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            padding: 1.25rem 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            padding: 0.25rem 0;
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-question i {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 0.5rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 0.75rem 0.5rem 0.25rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(234, 179, 8, 0.06) 0%, rgba(6, 182, 212, 0.04) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 3rem;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .cta-card p {
            color: var(--text-muted);
            max-width: 500px;
            margin: 0 auto 1.5rem;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .footer {
            background: #0a0f1a;
            padding: 4rem 0 2rem;
            border-top: 1px solid var(--border-subtle);
        }

        .f-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
        }

        .footer ul li {
            margin-bottom: 0.4rem;
        }

        .footer ul li a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .footer h4 {
            font-size: 0.9rem;
            color: var(--text-white);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .side-nav {
                width: 200px;
                padding: 1.5rem 0.75rem;
            }
            .container-custom {
                padding: 0 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }

            .side-nav {
                position: fixed;
                left: -280px;
                top: 0;
                bottom: 0;
                width: 260px;
                height: 100vh;
                border-right: 1px solid var(--border-subtle);
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.6);
                transition: left 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
                z-index: 100;
                padding: 1.5rem 0.75rem;
            }

            .side-nav.open {
                left: 0;
            }

            .mobile-overlay.open {
                display: block;
            }

            .main-content {
                padding-top: 0;
            }

            .container-custom {
                padding: 0 1.25rem;
            }

            .section {
                padding: 3.5rem 0;
            }

            .hero-banner {
                min-height: 340px;
                padding: 3rem 0;
            }

            .hero-title {
                font-size: 1.8rem;
            }

            .hero-desc {
                font-size: 0.9rem;
            }

            .cta-card {
                padding: 2rem 1.5rem;
            }

            .game-item {
                flex-wrap: wrap;
                gap: 0.75rem;
            }

            .game-rank {
                min-width: 1.5rem;
                font-size: 1.1rem;
            }

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

            .card-img {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .side-nav {
                width: 240px;
                left: -260px;
            }

            .container-custom {
                padding: 0 1rem;
            }

            .hero-banner {
                min-height: 280px;
                padding: 2rem 0;
            }

            .hero-title {
                font-size: 1.5rem;
            }

            .hero-desc {
                font-size: 0.8rem;
                margin-top: 0.75rem;
            }

            .hero-actions {
                flex-direction: column;
                gap: 0.6rem;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 0.75rem 1.5rem;
                font-size: 0.85rem;
            }

            .section {
                padding: 2.5rem 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .section-sub {
                font-size: 0.85rem;
            }

            .feature-card {
                padding: 1.5rem 1rem;
            }

            .feature-icon {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .game-item {
                padding: 1rem;
                flex-direction: column;
                align-items: flex-start;
            }

            .game-rank {
                display: none;
            }

            .game-badge {
                align-self: flex-start;
            }

            .footer .grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .cta-card {
                padding: 1.5rem 1rem;
            }

            .cta-card h3 {
                font-size: 1.2rem;
            }

            .card-img {
                height: 140px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #0f172a;
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(234, 179, 8, 0.2);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(234, 179, 8, 0.35);
        }

        /* ===== Animations ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }

        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category3 */
:root {
            --primary: #1a5fff;
            --primary-dark: #0a3aad;
            --accent: #ed7d12;
            --accent-light: #f6bd6d;
            --bg-dark: #0a1a4a;
            --bg-card: #ffffff;
            --text-dark: #1e293b;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8fafc;
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* ===== Left Sidebar Layout ===== */
        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        .side-nav {
            width: 260px;
            min-height: 100vh;
            background: linear-gradient(180deg, #0a1a4a 0%, #0f2a6a 100%);
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1000;
            padding: 0;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 4px 0 30px rgba(0, 0, 0, 0.15);
        }

        .side-nav .logo-area {
            padding: 32px 28px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .side-nav .logo-text {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            line-height: 1.2;
        }

        .side-nav .logo-sub {
            font-size: 0.75rem;
            letter-spacing: 0.3em;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 4px;
            text-transform: uppercase;
        }

        .side-nav .nav-links {
            flex: 1;
            padding: 20px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .side-nav .nav-links a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.95rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }

        .side-nav .nav-links a i {
            width: 20px;
            text-align: center;
            font-size: 1.05rem;
        }

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

        .side-nav .nav-links a.active {
            color: #fff;
            background: rgba(26, 95, 255, 0.5);
            box-shadow: 0 0 20px rgba(26, 95, 255, 0.15);
        }

        .side-nav .nav-links a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: #f6bd6d;
            border-radius: 0 3px 3px 0;
        }

        .side-nav .nav-footer {
            padding: 20px 28px 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-nav .nav-footer i {
            color: var(--accent-light);
        }

        /* ===== Main Content ===== */
        .main-content {
            margin-left: 260px;
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            background: linear-gradient(135deg, #0a1a4a 0%, #0f2a6a 100%);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .m-logo {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .mobile-header .m-logo span {
            font-size: 0.6rem;
            display: block;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.2em;
        }

        .mobile-menu-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-xs);
            transition: var(--transition);
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            backdrop-filter: blur(4px);
        }

        .mobile-menu-overlay.open {
            display: block;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 80px 0 90px;
            background: linear-gradient(135deg, #0a1a4a 0%, #1a3a7a 50%, #0f2a6a 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, #f8fafc, transparent);
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(246, 189, 109, 0.15);
            border: 1px solid rgba(246, 189, 109, 0.25);
            padding: 6px 18px;
            border-radius: 50px;
            color: var(--accent-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            max-width: 700px;
            letter-spacing: -0.03em;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #f6bd6d, #ed7d12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 580px;
            margin-top: 20px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 36px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.2;
        }

        .btn-primary {
            background: linear-gradient(135deg, #1a5fff, #0a4ad8);
            color: #fff;
            box-shadow: 0 4px 20px rgba(26, 95, 255, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(26, 95, 255, 0.45);
        }

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

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.25);
        }

        .btn-outline-light:hover {
            border-color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: linear-gradient(135deg, #ed7d12, #d96b0a);
            color: #fff;
            box-shadow: 0 4px 20px rgba(237, 125, 18, 0.35);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(237, 125, 18, 0.45);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(26, 95, 255, 0.08);
            border: 1px solid rgba(26, 95, 255, 0.12);
            padding: 4px 16px;
            border-radius: 50px;
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.8;
        }

        /* ===== Game Cards Grid ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .game-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

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

        .game-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
            background: #eef2f6;
        }

        .game-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-card .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50px;
            background: rgba(26, 95, 255, 0.08);
            color: var(--primary);
            letter-spacing: 0.03em;
            margin-bottom: 8px;
            align-self: flex-start;
        }

        .game-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .game-card .card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .game-card .card-footer {
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .game-card .card-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
        }

        .game-card .card-rating i {
            color: #f6bd6d;
        }

        .game-card .card-link {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .game-card .card-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ===== Features ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 30px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 95, 255, 0.15);
        }

        .feature-card .f-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(26, 95, 255, 0.08), rgba(26, 95, 255, 0.02));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .feature-card:hover .f-icon {
            background: linear-gradient(135deg, rgba(26, 95, 255, 0.15), rgba(26, 95, 255, 0.05));
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Testimonials ===== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 95, 255, 0.1);
        }

        .testimonial-card .stars {
            color: #f6bd6d;
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
            font-style: italic;
            margin-bottom: 16px;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #eef2f6, #e2e8f0);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
        }

        .testimonial-card .author .name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        .testimonial-card .author .role {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 40px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(26, 95, 255, 0.15);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }

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

        .faq-question .icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0a1a4a 0%, #1a3a7a 50%, #0f2a6a 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            max-width: 600px;
            margin: 0 auto 16px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 540px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .footer {
            background: #0a1a4a;
            padding: 60px 0 30px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer .f-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .footer a {
            color: rgba(255, 255, 255, 0.45);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer ul li {
            margin-bottom: 8px;
            font-size: 0.85rem;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            padding: 16px 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        .breadcrumb .current {
            color: var(--accent-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                transform: translateX(-100%);
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .container-custom {
                padding: 0 20px;
            }
            .hero-section {
                padding: 50px 0 60px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-item .num {
                font-size: 1.5rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                justify-content: center;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        @media (max-width: 520px) {
            .game-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .container-custom {
                padding: 0 16px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .hero-section {
                padding: 36px 0 46px;
            }
            .section {
                padding: 40px 0;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.85rem;
            }
            .feature-card {
                padding: 26px 20px 24px;
            }
            .testimonial-card {
                padding: 24px 20px;
            }
        }