/* roulang page: index */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b76;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --dark: #0d1b2a;
            --darker: #070f1a;
            --bg-light: #f8f9fa;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border-light: #e9ecef;
            --border-color: #dee2e6;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button, input, select, textarea {
            font-family: inherit;
            transition: var(--transition);
        }
        button:focus-visible, input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            background: rgba(230, 57, 70, 0.10);
            color: var(--primary);
            border: 1px solid rgba(230, 57, 70, 0.20);
        }
        .badge-secondary {
            background: rgba(29, 53, 87, 0.10);
            color: var(--secondary);
            border-color: rgba(29, 53, 87, 0.20);
        }
        .badge-accent {
            background: rgba(244, 162, 97, 0.12);
            color: #b87333;
            border-color: rgba(244, 162, 97, 0.25);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-dark);
            border: 2px solid var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .btn-secondary {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(29, 53, 87, 0.30);
        }
        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(29, 53, 87, 0.40);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0,0,0,0.12);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 500;
            background: rgba(29, 53, 87, 0.08);
            color: var(--secondary);
            margin-right: 6px;
            margin-bottom: 6px;
        }
        .tag-primary {
            background: rgba(230, 57, 70, 0.10);
            color: var(--primary);
        }
        .grid-cols-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-cols-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-cols-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0,0,0,0.06);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0,0,0,0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.03em;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }
        .logo span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--text-dark);
            background: rgba(0,0,0,0.04);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.10);
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 10px;
            font-size: 0.85rem;
            width: 160px;
            outline: none;
            color: var(--text-dark);
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 6px;
        }
        .search-box button:hover {
            color: var(--primary);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: var(--darker);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7,15,26,0.92) 0%, rgba(13,27,42,0.75) 50%, rgba(230,57,70,0.20) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 100px 0 80px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(244,162,97,0.15);
            color: var(--accent);
            border: 1px solid rgba(244,162,97,0.25);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .hero-title {
            font-size: 3.75rem;
            font-weight: 800;
            line-height: 1.1;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }
        .hero-title span {
            color: var(--primary);
            background: linear-gradient(135deg, #ff6b76, var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.7);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat h3 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
        }
        .hero-stat p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            margin-top: 2px;
        }

        /* ===== 特色板块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            border-color: rgba(230,57,70,0.15);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: #fff;
        }
        .feature-icon.red {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .feature-icon.blue {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
        }
        .feature-icon.gold {
            background: linear-gradient(135deg, var(--accent), #d4863a);
        }
        .feature-icon.teal {
            background: linear-gradient(135deg, #2a9d8f, #1b7a6e);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7,15,26,0.85) 0%, rgba(7,15,26,0.15) 70%);
        }
        .category-card .cat-body {
            position: relative;
            z-index: 2;
            padding: 32px 28px;
            color: #fff;
            width: 100%;
        }
        .category-card .cat-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card .cat-body p {
            font-size: 0.9rem;
            opacity: 0.75;
            margin-bottom: 16px;
            max-width: 320px;
        }
        .category-card .cat-body .btn {
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255,255,255,0.20);
            color: #fff;
        }
        .category-card .cat-body .btn:hover {
            background: rgba(255,255,255,0.22);
        }

        /* ===== 最新资讯 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .news-card .news-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: 20px;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-card .news-meta .cat-tag {
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(230,57,70,0.08);
            color: var(--primary);
            font-weight: 500;
        }
        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .news-card h3 a {
            color: var(--text-dark);
        }
        .news-card h3 a:hover {
            color: var(--primary);
        }
        .news-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 数据统计 ===== */
        .stats-band {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .stats-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            color: #fff;
            padding: 20px 0;
        }
        .stat-item .num {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(135deg, #fff, rgba(255,255,255,0.7));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            margin-top: 6px;
        }
        .stat-item .label i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 auto 16px;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230,57,70,0.15);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-dark);
            gap: 16px;
        }
        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-band {
            background: linear-gradient(135deg, var(--dark), var(--secondary));
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 80px 0;
        }
        .cta-content h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.65);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--darker);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-socials {
            display: flex;
            gap: 12px;
        }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.5);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 空状态 ===== */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border-color);
        }
        .empty-state i {
            font-size: 2.5rem;
            color: var(--border-color);
            margin-bottom: 12px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 3rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow);
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
            }
            .search-box {
                display: none;
            }
            .nav-actions .btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero {
                min-height: 70vh;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 24px;
            }
            .hero-stat h3 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .grid-cols-3, .grid-cols-4 {
                grid-template-columns: 1fr;
            }
            .grid-cols-2 {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-content h2 {
                font-size: 1.8rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 300px;
            }
            .stat-item .num {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 14px;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .num {
                font-size: 1.6rem;
            }
            .nav-actions .btn span {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #e2363f;
            --primary-dark: #c62d36;
            --primary-light: #fce8ea;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #f5c518;
            --bg-light: #f8f9fc;
            --bg-dark: #0f0f1a;
            --text-dark: #1a1a2e;
            --text-muted: #6b7280;
            --text-light: #f1f1f1;
            --border-color: #e5e7eb;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.10), 0 6px 18px rgba(0, 0, 0, 0.06);
            --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', sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ----- 导航 ----- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
        }

        .logo .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            box-shadow: 0 4px 12px rgba(226, 54, 63, 0.25);
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links li a {
            padding: 10px 20px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            position: relative;
        }

        .nav-links li a i {
            font-size: 1rem;
            opacity: 0.7;
        }

        .nav-links li a:hover {
            color: var(--text-dark);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

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

        .nav-actions .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-actions .search-box input {
            width: 180px;
            padding: 8px 16px 8px 38px;
            border: 1px solid var(--border-color);
            border-radius: 24px;
            font-size: 0.9rem;
            background: var(--bg-light);
            transition: var(--transition);
            outline: none;
        }

        .nav-actions .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(226, 54, 63, 0.12);
            width: 220px;
        }

        .nav-actions .search-box i {
            position: absolute;
            left: 14px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .btn-login {
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
            border: 1px solid var(--border-color);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .btn-primary {
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(226, 54, 63, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(226, 54, 63, 0.35);
        }

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

        .btn-secondary {
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            background: #f9d6d9;
            transform: translateY(-2px);
        }

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

        .menu-toggle:hover {
            background: var(--bg-light);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .nav-actions .search-box input {
                width: 140px;
            }
            .nav-actions .search-box input:focus {
                width: 170px;
            }
        }

        @media (max-width: 820px) {
            .menu-toggle {
                display: block;
            }
            .nav-links {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 20px 20px;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links li a {
                padding: 14px 18px;
                font-size: 1rem;
                border-radius: 12px;
                width: 100%;
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-actions .search-box input {
                width: 130px;
            }
            .nav-actions .btn-login {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .site-header .container {
                height: 64px;
            }
            .logo {
                font-size: 1.3rem;
            }
            .logo .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
            }
            .nav-actions .search-box input {
                width: 100px;
                padding: 6px 12px 6px 32px;
                font-size: 0.8rem;
            }
            .nav-actions .search-box i {
                left: 10px;
                font-size: 0.8rem;
            }
            .nav-actions .btn-primary {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
        }

        /* ----- 通用组件 ----- */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-sub {
            margin: 0 auto;
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-sub {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
        }

        .badge-accent {
            background: #fef3cd;
            color: #b8860b;
        }

        .badge-green {
            background: #e6f7e6;
            color: #2e7d32;
        }

        .card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

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

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

        .card-body {
            padding: 24px;
        }

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .tag-primary {
            background: var(--primary-light);
            color: var(--primary);
            border-color: transparent;
        }

        /* ----- Footer ----- */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 32px;
        }

        .site-footer .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .logo span {
            color: var(--primary);
        }

        .site-footer p {
            font-size: 0.95rem;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 360px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul li a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            opacity: 0.65;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
        }

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

        .footer-socials {
            display: flex;
            gap: 14px;
        }

        .footer-socials a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 640px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ----- Hero Banner ----- */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--secondary) 0%, #2d1b1b 50%, var(--secondary) 100%);
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, transparent 0%, rgba(15, 15, 26, 0.7) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 60px 24px;
        }

        .hero-content .badge {
            background: rgba(226, 54, 63, 0.2);
            color: #f9a8ad;
            border: 1px solid rgba(226, 54, 63, 0.3);
            margin-bottom: 20px;
        }

        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }

        .hero-content h1 span {
            color: var(--primary);
        }

        .hero-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-actions .btn-primary {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 30px;
        }

        .hero-actions .btn-secondary {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 820px) {
            .hero-banner {
                min-height: 340px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                min-height: 280px;
            }
            .hero-content {
                padding: 40px 16px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ----- 赛事分类标签 ----- */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 40px;
        }

        .category-tab {
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            background: #fff;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .category-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .category-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(226, 54, 63, 0.25);
        }

        .category-tab i {
            font-size: 1.1rem;
        }

        /* ----- 赛事卡片网格 ----- */
        .race-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .race-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.04);
            position: relative;
        }

        .race-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .race-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .race-card .card-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

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

        .race-card .race-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .race-card .race-meta i {
            width: 16px;
        }

        .race-card .race-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .race-card .race-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

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

        .race-card .race-price {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
        }

        .race-card .race-price small {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        .race-card .btn-sm {
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .race-card .btn-sm:hover {
            background: var(--primary);
            color: #fff;
        }

        @media (max-width: 1024px) {
            .race-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .race-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .race-card .card-body {
                padding: 16px 18px 20px;
            }
        }

        /* ----- 数据统计区块 ----- */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

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

        .stat-card .stat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
        }

        .stat-card .stat-icon.red {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .stat-card .stat-icon.blue {
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
        }
        .stat-card .stat-icon.green {
            background: linear-gradient(135deg, #22c55e, #16a34a);
        }
        .stat-card .stat-icon.amber {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.1;
            color: var(--text-dark);
            letter-spacing: -1px;
        }

        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .stat-card .stat-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }

        /* ----- 流程步骤 ----- */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, 0.04);
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .step-card .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            transition: var(--transition);
        }

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

        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 820px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .step-card {
                padding: 28px 20px;
            }
        }

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

        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }

        .faq-item:hover {
            border-color: rgba(226, 54, 63, 0.2);
        }

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

        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

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

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

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

        /* ----- CTA ----- */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #2d1b1b 50%, var(--secondary) 100%);
            padding: 80px 0;
            text-align: center;
            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;
            mix-blend-mode: overlay;
        }

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

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-section .btn-primary {
            padding: 16px 44px;
            font-size: 1.1rem;
            border-radius: 30px;
            box-shadow: 0 8px 32px rgba(226, 54, 63, 0.35);
        }

        .cta-section .btn-primary:hover {
            box-shadow: 0 12px 44px rgba(226, 54, 63, 0.5);
            transform: translateY(-3px);
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ----- 资讯列表 ----- */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .news-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .news-item .news-img {
            width: 120px;
            height: 90px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

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

        .news-item .news-content .news-tag {
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--primary);
            margin-bottom: 4px;
            display: block;
        }

        .news-item .news-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-content .news-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 8px;
            display: block;
        }

        @media (max-width: 820px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-item .news-img {
                width: 100px;
                height: 76px;
            }
        }

        @media (max-width: 520px) {
            .news-item {
                flex-direction: column;
                padding: 16px;
            }
            .news-item .news-img {
                width: 100%;
                height: 160px;
            }
        }

        /* ----- 板块间距 ----- */
        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        .bg-alt {
            background: var(--bg-light);
        }

        .bg-white {
            background: #fff;
        }

        @media (max-width: 640px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
        }

        /* ----- 筛选器补丁 ----- */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
            padding: 16px 20px;
            background: #fff;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

        .filter-bar .filter-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .filter-bar .filter-left span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .filter-bar .filter-right select {
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            font-size: 0.85rem;
            background: #fff;
            color: var(--text-dark);
            outline: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-bar .filter-right select:focus {
            border-color: var(--primary);
        }

        @media (max-width: 640px) {
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-bar .filter-left {
                justify-content: center;
            }
        }

        /* ----- 评分星星 ----- */
        .stars {
            color: var(--accent);
            font-size: 0.85rem;
            letter-spacing: 1px;
        }

/* roulang page: article */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #dc2626;
            --accent-hover: #b91c1c;
            --accent-light: #fef2f2;
            --blue-accent: #3b82f6;
            --blue-hover: #2563eb;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-light: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; outline: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 640px) { .container { padding: 0 16px; } }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--primary);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 38px; height: 38px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span { color: var(--accent); font-weight: 600; }
        .nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
        .nav-links li a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255,255,255,0.78);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            background: rgba(255,255,255,0.12);
            color: #fff;
        }
        .nav-links li a.active { background: var(--accent); color: #fff; }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.1);
            border-radius: 30px;
            padding: 0 6px 0 16px;
            border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }
        .search-box:focus-within {
            background: rgba(255,255,255,0.18);
            border-color: var(--accent);
        }
        .search-box input {
            background: transparent;
            border: none;
            color: #fff;
            padding: 8px 0;
            font-size: 0.88rem;
            width: 140px;
        }
        .search-box input::placeholder { color: rgba(255,255,255,0.45); }
        .search-box button {
            width: 36px; height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
        }
        .search-box button:hover { color: #fff; background: rgba(255,255,255,0.1); }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition);
            border: none;
            line-height: 1.3;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(220,38,38,0.35);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(220,38,38,0.4);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.4);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
        }
        .btn-blue {
            background: var(--blue-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(59,130,246,0.3);
        }
        .btn-blue:hover {
            background: var(--blue-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(59,130,246,0.35);
        }
        .menu-toggle {
            display: none;
            width: 40px; height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        @media (max-width: 900px) {
            .search-box input { width: 100px; }
            .nav-links li a { padding: 8px 14px; font-size: 0.85rem; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .menu-toggle { display: flex; }
            .header-actions .btn-primary { display: none; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0; right: 0;
                background: var(--primary);
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            }
            .nav-links.open li a { padding: 12px 16px; border-radius: 10px; }
            .search-box { display: none; }
            .header-actions .search-box.mobile-show { display: flex; }
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.6) 100%);
            z-index: 1;
        }
        .article-banner .container { position: relative; z-index: 2; }
        .article-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.65);
            margin-bottom: 20px;
        }
        .article-banner .breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-banner .breadcrumb a:hover { color: #fff; }
        .article-banner .breadcrumb span { color: rgba(255,255,255,0.5); }
        .article-banner .post-category {
            display: inline-block;
            background: var(--accent);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 14px;
        }
        .article-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            max-width: 860px;
            margin-bottom: 16px;
        }
        .article-banner .post-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 0.92rem;
            color: rgba(255,255,255,0.7);
        }
        .article-banner .post-meta i { margin-right: 6px; }
        @media (max-width: 768px) {
            .article-banner { padding: 60px 0 40px; }
            .article-banner h1 { font-size: 1.8rem; }
            .article-banner .post-meta { flex-wrap: wrap; gap: 12px; }
        }
        @media (max-width: 520px) {
            .article-banner h1 { font-size: 1.5rem; }
        }

        /* ===== Article Content ===== */
        .article-section { padding: 60px 0; }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }
        .article-body .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: #1e293b;
        }
        .article-body .article-content p {
            margin-bottom: 1.2em;
        }
        .article-body .article-content h2,
        .article-body .article-content h3 {
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            font-weight: 700;
            color: var(--text-main);
        }
        .article-body .article-content h2 { font-size: 1.5rem; }
        .article-body .article-content h3 { font-size: 1.25rem; }
        .article-body .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .article-content ul,
        .article-body .article-content ol {
            margin-bottom: 1.2em;
            padding-left: 1.6em;
        }
        .article-body .article-content li { margin-bottom: 0.4em; }
        .article-body .article-content a {
            color: var(--blue-accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body .article-content a:hover { color: var(--blue-hover); }
        .article-body .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 1.2em 0;
            background: var(--accent-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #475569;
        }
        .article-body .article-content pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-size: 0.9rem;
            margin: 1.2em 0;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 16px;
            background: #f1f5f9;
            border-radius: 30px;
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--accent); color: #fff; }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }
        .article-share span { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
        .article-share a {
            width: 38px; height: 38px;
            border-radius: 50%;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .article-share a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .sidebar-card ul { list-style: none; }
        .sidebar-card ul li { margin-bottom: 10px; }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.92rem;
            color: var(--text-muted);
            padding: 6px 0;
            transition: var(--transition);
        }
        .sidebar-card ul li a:hover { color: var(--accent); transform: translateX(4px); }
        .sidebar-card ul li a i { width: 20px; color: var(--accent); font-size: 0.85rem; }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
        }
        .sidebar-cta h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .sidebar-cta p { font-size: 0.9rem; color: rgba(255,255,255,0.7); margin-bottom: 16px; }
        .sidebar-cta .btn { width: 100%; }

        @media (max-width: 992px) {
            .article-layout { grid-template-columns: 1fr; gap: 32px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        }
        @media (max-width: 640px) {
            .article-body { padding: 24px 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
        }

        /* ===== Related Posts ===== */
        .related-section {
            background: #fff;
            padding: 60px 0;
            border-top: 1px solid var(--border-light);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-main);
        }
        .related-section .section-title p {
            color: var(--text-muted);
            margin-top: 6px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
        }
        .related-card .card-body .card-cat {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 2px 12px;
            border-radius: 30px;
            margin-bottom: 8px;
        }
        .related-card .card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h4 a { color: var(--text-main); }
        .related-card .card-body h4 a:hover { color: var(--accent); }
        .related-card .card-body .card-date {
            font-size: 0.82rem;
            color: var(--text-light);
        }
        @media (max-width: 992px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; }
            .related-section .section-title h2 { font-size: 1.4rem; }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15,23,42,0.75);
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.75);
            max-width: 620px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 640px) {
            .cta-section h2 { font-size: 1.5rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1120;
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { margin-bottom: 16px; font-size: 1.3rem; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.55); }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
        }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.85rem;
        }
        .footer-bottom a { color: rgba(255,255,255,0.6); }
        .footer-bottom a:hover { color: #fff; }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            width: 36px; height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.5);
            transition: var(--transition);
            font-size: 1rem;
        }
        .footer-socials a:hover { background: var(--accent); color: #fff; }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }
        @media (max-width: 640px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 768px) {
            .header-inner { padding: 12px 0; }
            .logo { font-size: 1.15rem; }
            .logo .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
        }
        .not-found-msg {
            text-align: center;
            padding: 40px 20px;
        }
        .not-found-msg .icon {
            font-size: 3rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .not-found-msg h3 { font-size: 1.3rem; margin-bottom: 8px; }
        .not-found-msg p { color: var(--text-muted); margin-bottom: 20px; }

/* roulang page: category2 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --text-dark: #1a1a2e;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border: #e0e0e0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }

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

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            height: 72px;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--secondary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
        }
        .logo span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-links li a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            position: relative;
        }

        .nav-links li a i {
            font-size: 0.9rem;
            opacity: 0.7;
        }

        .nav-links li a:hover {
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }

        .nav-links li a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .nav-links li a.active i {
            opacity: 1;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 8px;
            font-size: 0.9rem;
            outline: none;
            width: 160px;
            color: var(--text-dark);
        }
        .search-box button {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 6px;
            transition: var(--transition);
        }
        .search-box button:hover {
            color: var(--primary);
        }

        .btn-nav {
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-nav-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .btn-nav-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.4);
            color: #fff;
        }
        .btn-nav-outline {
            background: transparent;
            color: var(--secondary);
            border: 2px solid var(--secondary);
        }
        .btn-nav-outline:hover {
            background: var(--secondary);
            color: #fff;
        }

        /* Mobile hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 26px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }

        /* ===== Banner / Hero ===== */
        .page-banner {
            margin-top: 72px;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

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

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .banner-content .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
            margin-bottom: 20px;
        }
        .banner-content .badge i {
            color: var(--accent);
        }

        .banner-content h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .banner-content h1 span {
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .banner-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 600px;
            line-height: 1.8;
        }

        .banner-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(230, 57, 70, 0.45);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-gradient {
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .subtitle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-header .subtitle i {
            font-size: 1rem;
        }
        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-header h2 span {
            color: var(--primary);
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
        }
        .section-dark .section-header p,
        .section-gradient .section-header p {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-body .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            margin-bottom: 12px;
        }
        .card-body .tag.green {
            background: rgba(69, 160, 73, 0.1);
            color: #2d6a4f;
        }
        .card-body .tag.blue {
            background: rgba(69, 123, 157, 0.1);
            color: var(--secondary-light);
        }
        .card-body .tag.amber {
            background: rgba(244, 162, 97, 0.15);
            color: #c77d3f;
        }
        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: var(--text-dark);
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .card-body .meta i {
            margin-right: 4px;
        }

        /* ===== Feature Cards (icon) ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
        }
        .feature-icon.red {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .feature-icon.blue {
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
        }
        .feature-icon.amber {
            background: linear-gradient(135deg, var(--accent), #e07a2f);
        }
        .feature-icon.green {
            background: linear-gradient(135deg, #52b788, #2d6a4f);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ===== Steps / Timeline ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-item::after {
            content: '→';
            position: absolute;
            right: -20px;
            top: 30px;
            font-size: 1.8rem;
            color: var(--primary);
            opacity: 0.4;
            font-weight: 300;
        }
        .step-item:last-child::after {
            display: none;
        }
        .step-num {
            width: 60px;
            height: 60px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .section-dark .step-item p,
        .section-gradient .step-item p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Odds Table ===== */
        .odds-table-wrap {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .odds-table {
            width: 100%;
            border-collapse: collapse;
        }
        .odds-table th {
            background: var(--secondary);
            color: #fff;
            padding: 16px 20px;
            text-align: left;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .odds-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }
        .odds-table tr:last-child td {
            border-bottom: none;
        }
        .odds-table tr:hover td {
            background: rgba(230, 57, 70, 0.03);
        }
        .odds-table .odds-value {
            font-weight: 800;
            color: var(--primary);
            font-size: 1.05rem;
        }
        .odds-table .status-badge {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .status-badge.live {
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary);
        }
        .status-badge.upcoming {
            background: rgba(69, 160, 73, 0.12);
            color: #2d6a4f;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-dark);
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--primary);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .cta-inner h2 span {
            color: var(--primary);
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-inner .btn-primary {
            font-size: 1.1rem;
            padding: 16px 44px;
        }
        .cta-inner .btn-outline-light {
            font-size: 1.05rem;
            padding: 14px 36px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f1a2e;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
            font-size: 1.4rem;
        }
        .footer-brand .logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            opacity: 0.7;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-socials {
            display: flex;
            gap: 12px;
        }
        .footer-socials a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid .step-item::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .banner-content h1 {
                font-size: 2.6rem;
            }
            .search-box input {
                width: 120px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .header-inner {
                height: 64px;
            }
            .page-banner {
                margin-top: 64px;
                padding: 60px 0 60px;
                min-height: 300px;
            }
            .banner-content h1 {
                font-size: 2rem;
            }
            .banner-content p {
                font-size: 1rem;
            }

            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 2px solid var(--border);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links li a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .hamburger {
                display: flex;
            }
            .nav-right {
                gap: 8px;
            }
            .search-box input {
                width: 90px;
            }
            .btn-nav {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .btn-nav span {
                display: none;
            }

            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-inner h2 {
                font-size: 1.8rem;
            }
            .odds-table-wrap {
                overflow-x: auto;
            }
            .odds-table {
                min-width: 600px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .banner-content h1 {
                font-size: 1.6rem;
            }
            .banner-actions {
                flex-direction: column;
            }
            .banner-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .search-box input {
                width: 70px;
            }
            .nav-right .btn-nav-outline {
                display: none;
            }
        }