/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2c5f8a;
            --primary-dark: #0f2440;
            --accent: #e63946;
            --accent-light: #ff6b6b;
            --accent-dark: #c1121f;
            --bg-light: #f0f4f8;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2e;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aaa;
            --border-color: #e0e4ec;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 58, 92, 0.08);
            --shadow-lg: 0 12px 48px rgba(26, 58, 92, 0.12);
            --shadow-accent: 0 4px 20px rgba(230, 57, 70, 0.3);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        .section-title {
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }
        .text-accent {
            color: var(--accent);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
            gap: 1rem;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--accent);
        }
        .logo:hover {
            color: var(--primary);
        }
        .header-search {
            flex: 1;
            max-width: 520px;
            margin: 0 auto;
            position: relative;
        }
        .header-search .form-control {
            border-radius: 50px;
            border: 2px solid var(--border-color);
            padding: 0.55rem 1.2rem 0.55rem 2.8rem;
            font-size: 0.95rem;
            background: var(--bg-light);
            transition: var(--transition);
            height: 46px;
        }
        .header-search .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(26, 58, 92, 0.1);
            background: var(--bg-white);
        }
        .header-search .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 1rem;
            pointer-events: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .header-actions .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 50px;
            padding: 0.4rem 1.2rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            background: transparent;
        }
        .header-actions .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .header-actions .btn-accent {
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 0.4rem 1.2rem;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: var(--transition);
        }
        .header-actions .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
        }

        /* 导航分类栏 */
        .nav-categories {
            background: var(--bg-white);
            border-top: 1px solid var(--border-color);
            padding: 0.4rem 0;
        }
        .nav-categories .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .nav-categories .nav-links li a {
            display: inline-block;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-categories .nav-links li a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.06);
        }
        .nav-categories .nav-links li a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }
        .mobile-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 0.25rem 0.5rem;
            cursor: pointer;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: var(--spacing-xl) 0;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.82) 0%, rgba(26, 58, 92, 0.72) 50%, rgba(15, 26, 46, 0.82) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(230, 57, 70, 0.85);
            color: #fff;
            padding: 0.4rem 1.6rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: -0.03em;
            line-height: 1.2;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero h1 span {
            color: var(--accent-light);
        }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-search {
            max-width: 580px;
            margin: 0 auto 2rem;
            position: relative;
        }
        .hero-search .form-control {
            border-radius: 50px;
            border: none;
            padding: 0.9rem 1.5rem 0.9rem 3.2rem;
            font-size: 1.05rem;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            height: 58px;
            transition: var(--transition);
        }
        .hero-search .form-control:focus {
            background: #fff;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
            transform: scale(1.01);
        }
        .hero-search .search-icon {
            position: absolute;
            left: 1.2rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 1.2rem;
            z-index: 5;
        }
        .hero-search .btn-search {
            position: absolute;
            right: 6px;
            top: 6px;
            bottom: 6px;
            border-radius: 50px;
            padding: 0 1.8rem;
            background: var(--accent);
            color: #fff;
            border: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .hero-search .btn-search:hover {
            background: var(--accent-dark);
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }
        .hero-stats .stat-item {
            color: rgba(255, 255, 255, 0.9);
            text-align: center;
        }
        .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            display: block;
            line-height: 1.2;
            color: #fff;
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            opacity: 0.75;
        }

        /* ===== 通用板块间距 ===== */
        .section-padding {
            padding: var(--spacing-lg) 0;
        }
        .section-bg-white {
            background: var(--bg-white);
        }
        .section-bg-alt {
            background: var(--bg-light);
        }

        /* ===== 核心说明板块 ===== */
        .about-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        .about-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 2rem 1.8rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .about-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .about-card .icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.6rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .about-card:hover .icon-circle {
            background: var(--primary);
            color: #fff;
        }
        .about-card h4 {
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
        }
        .about-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            background: var(--bg-white);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card .card-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
            transition: transform 0.5s ease;
        }
        .category-card:hover .card-bg {
            transform: scale(1.05);
        }
        .category-card .card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 26, 46, 0.85) 0%, rgba(15, 26, 46, 0.1) 70%);
            z-index: 1;
        }
        .category-card .card-body {
            position: relative;
            z-index: 2;
            padding: 2rem 1.8rem;
            color: #fff;
            width: 100%;
        }
        .category-card .card-body h3 {
            color: #fff;
            font-size: 1.6rem;
            margin-bottom: 0.4rem;
        }
        .category-card .card-body p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }
        .category-card .card-body .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            border-radius: 50px;
            padding: 0.4rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-block;
        }
        .category-card .card-body .btn-outline-light:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

        /* ===== 最新资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-card .card-img {
            height: 190px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .news-card .card-img .tag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--accent);
            color: #fff;
            padding: 0.2rem 1rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .news-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-body h4 {
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-body h4 a {
            color: var(--text-primary);
        }
        .news-card .card-body h4 a:hover {
            color: var(--primary);
        }
        .news-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }
        .news-card .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.5rem;
            border-top: 1px solid var(--border-color);
            background: var(--bg-light);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .news-card .card-footer .cat-link {
            color: var(--primary);
            font-weight: 500;
        }
        .news-card .card-footer .cat-link:hover {
            color: var(--accent);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--primary);
            color: #fff;
            padding: var(--spacing-lg) 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            text-align: center;
        }
        .stats-grid .stat-item {
            padding: 1rem;
        }
        .stats-grid .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            display: block;
            line-height: 1.1;
            color: #fff;
            margin-bottom: 0.3rem;
        }
        .stats-grid .stat-label {
            font-size: 1rem;
            opacity: 0.8;
            font-weight: 500;
        }
        .stats-grid .stat-icon {
            font-size: 2rem;
            margin-bottom: 0.8rem;
            opacity: 0.7;
        }

        /* ===== 服务特色 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        .feature-item {
            display: flex;
            gap: 1.2rem;
            background: var(--bg-white);
            padding: 1.8rem;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .feature-item .fi-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .feature-item:hover .fi-icon {
            background: var(--primary);
            color: #fff;
        }
        .feature-item .fi-body h5 {
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }
        .feature-item .fi-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: var(--spacing-md) auto 0;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            margin-bottom: 0.75rem;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: var(--bg-white);
            transition: var(--transition);
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
        }
        .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-question .faq-toggle {
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
            margin-left: 1rem;
        }
        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: var(--spacing-lg) 0;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
        }
        .cta-section .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.9rem 3rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-accent);
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.4);
        }
        .cta-section .btn-cta-outline {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            padding: 0.85rem 2.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            background: transparent;
            margin-left: 1rem;
        }
        .cta-section .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-lg) 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-md);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.6rem;
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        .footer-brand .logo span {
            color: var(--accent-light);
        }
        .footer-brand p {
            font-size: 0.9rem;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .footer-social a {
            display: inline-block;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.6);
            text-align: center;
            line-height: 36px;
            margin-left: 0.4rem;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.6rem;
            }
            .about-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: var(--spacing-md) 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero {
                min-height: 70vh;
                padding: var(--spacing-lg) 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stats .stat-number {
                font-size: 1.4rem;
            }
            .header-search {
                max-width: 100%;
                margin: 0.5rem 0;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .header-actions .btn-outline,
            .header-actions .btn-accent {
                display: none;
            }
            .mobile-toggler {
                display: block;
            }
            .nav-categories .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 0.5rem 0;
            }
            .nav-categories .nav-links.show {
                display: flex;
            }
            .nav-categories .nav-links li a {
                padding: 0.5rem 1rem;
                width: 100%;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card {
                min-height: 240px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stats-grid .stat-number {
                font-size: 2rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section .btn-cta-outline {
                margin-left: 0;
                margin-top: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 1rem 1.2rem;
            }
            .faq-answer {
                padding: 0 1.2rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 0.9rem;
            }
            .hero-search .form-control {
                font-size: 0.9rem;
                padding-left: 2.6rem;
                height: 50px;
            }
            .hero-search .btn-search {
                padding: 0 1.2rem;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-grid .stat-number {
                font-size: 1.6rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .category-card .card-body h3 {
                font-size: 1.3rem;
            }
            .news-card .card-img {
                height: 160px;
            }
            .feature-item {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 1.4rem;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
    :root {
        --primary: #1a3a5c;
        --primary-light: #2a5a8c;
        --primary-dark: #0f2440;
        --accent: #e85d2c;
        --accent-light: #f07a4a;
        --accent-dark: #c44a1e;
        --bg-body: #f8f9fc;
        --bg-white: #ffffff;
        --bg-light: #f0f3f8;
        --bg-dark: #1a2a3a;
        --text-dark: #1e2a3a;
        --text-body: #2d3a4a;
        --text-muted: #6a7a8a;
        --text-light: #9aabbb;
        --border-color: #e2e8f0;
        --border-light: #f0f2f5;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
        --shadow-md: 0 6px 20px rgba(0,0,0,0.06);
        --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
        --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
        --nav-height: 72px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-sans);
        color: var(--text-body);
        background: var(--bg-body);
        line-height: 1.7;
        overflow-x: hidden;
        padding-top: var(--nav-height);
    }
    a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

    /* ===== Typography ===== */
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-dark); letter-spacing: -0.01em; }
    h1 { font-size: clamp(1.6rem, 3.2vw, 2.5rem); }
    h2 { font-size: clamp(1.4rem, 2.6vw, 2.0rem); }
    h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); }

    /* ===== Header ===== */
    .site-header {
        position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
        background: var(--bg-white);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-sm);
    }
    .header-top {
        display: flex; align-items: center; justify-content: space-between;
        height: var(--nav-height); padding: 0 0;
        gap: 16px;
    }
    .logo {
        font-size: 1.6rem; font-weight: 800; color: var(--primary-dark);
        letter-spacing: -0.02em; white-space: nowrap;
        line-height: 1;
    }
    .logo span { color: var(--accent); }
    .logo:hover { color: var(--primary-dark); }
    .header-search {
        flex: 1; max-width: 440px; position: relative;
    }
    .header-search .search-icon {
        position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
        color: var(--text-muted); font-size: 0.95rem; pointer-events: none;
        z-index: 2;
    }
    .header-search .form-control {
        width: 100%; height: 42px; padding-left: 40px; border-radius: var(--radius-xl);
        border: 1.5px solid var(--border-color); background: var(--bg-light);
        font-size: 0.9rem; color: var(--text-body);
        transition: var(--transition);
    }
    .header-search .form-control:focus {
        border-color: var(--accent); background: var(--bg-white);
        box-shadow: 0 0 0 4px rgba(232,93,44,0.10); outline: none;
    }
    .header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .btn-outline {
        border: 1.5px solid var(--border-color); background: transparent;
        padding: 8px 18px; border-radius: var(--radius-xl); color: var(--text-body);
        font-size: 0.85rem; font-weight: 500; transition: var(--transition);
        cursor: pointer; white-space: nowrap;
    }
    .btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--bg-light); }
    .btn-accent {
        border: none; background: var(--accent); color: #fff;
        padding: 8px 20px; border-radius: var(--radius-xl); font-size: 0.85rem;
        font-weight: 600; transition: var(--transition); cursor: pointer; white-space: nowrap;
    }
    .btn-accent:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(232,93,44,0.30); }
    .mobile-toggler {
        display: none; background: none; border: none; font-size: 1.4rem;
        color: var(--text-dark); cursor: pointer; padding: 4px 6px;
    }
    .nav-categories {
        background: var(--bg-white); border-top: 1px solid var(--border-light);
        padding: 0;
    }
    .nav-links {
        display: flex; align-items: center; gap: 0; list-style: none;
        margin: 0; padding: 0; overflow-x: auto; white-space: nowrap;
        -ms-overflow-style: none; scrollbar-width: none;
    }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-links li { flex-shrink: 0; }
    .nav-links a {
        display: block; padding: 12px 22px; font-size: 0.9rem; font-weight: 500;
        color: var(--text-body); border-bottom: 3px solid transparent;
        transition: var(--transition); text-decoration: none;
    }
    .nav-links a:hover { color: var(--primary); background: var(--bg-light); }
    .nav-links a.active {
        color: var(--accent); border-bottom-color: var(--accent);
        font-weight: 600;
    }

    /* ===== Article Hero ===== */
    .article-hero {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
        padding: 60px 0 50px;
        position: relative;
        overflow: hidden;
        min-height: 260px;
        display: flex;
        align-items: center;
    }
    .article-hero::before {
        content: '';
        position: absolute;
        top: -30%; right: -10%;
        width: 400px; height: 400px;
        background: radial-gradient(circle, rgba(232,93,44,0.15) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .article-hero::after {
        content: '';
        position: absolute;
        bottom: -20%; left: -5%;
        width: 300px; height: 300px;
        background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .article-hero .container {
        position: relative;
        z-index: 2;
    }
    .article-hero .breadcrumb-custom {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: rgba(255,255,255,0.65);
        margin-bottom: 16px;
        flex-wrap: wrap;
    }
    .article-hero .breadcrumb-custom a {
        color: rgba(255,255,255,0.8);
        transition: var(--transition);
    }
    .article-hero .breadcrumb-custom a:hover { color: #fff; }
    .article-hero .breadcrumb-custom span { color: rgba(255,255,255,0.5); }
    .article-hero h1 {
        color: #fff;
        font-weight: 800;
        margin-bottom: 16px;
        max-width: 860px;
        line-height: 1.3;
    }
    .article-meta {
        display: flex;
        align-items: center;
        gap: 18px;
        flex-wrap: wrap;
        color: rgba(255,255,255,0.75);
        font-size: 0.9rem;
    }
    .article-meta .badge-category {
        display: inline-block;
        padding: 4px 16px;
        border-radius: var(--radius-xl);
        background: var(--accent);
        color: #fff;
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.3px;
    }
    .article-meta .date { display: flex; align-items: center; gap: 6px; }
    .article-meta .date i { font-size: 0.8rem; }

    /* ===== Article Body ===== */
    .article-section {
        padding: 50px 0 60px;
    }
    .article-wrapper {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 40px;
    }
    .article-main {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
    }
    .article-content {
        padding: 36px 40px 40px;
    }
    .article-content .featured-image {
        width: 100%;
        border-radius: var(--radius-sm);
        margin-bottom: 28px;
        object-fit: cover;
        aspect-ratio: 16/9;
        background: var(--bg-light);
    }
    .article-content .content-body {
        font-size: 1.05rem;
        line-height: 1.85;
        color: var(--text-body);
    }
    .article-content .content-body p {
        margin-bottom: 1.2em;
    }
    .article-content .content-body h3 {
        margin-top: 1.8em;
        margin-bottom: 0.6em;
        font-weight: 700;
    }
    .article-content .content-body ul, 
    .article-content .content-body ol {
        margin-bottom: 1.2em;
        padding-left: 1.5em;
    }
    .article-content .content-body li {
        margin-bottom: 0.4em;
    }
    .article-content .content-body img {
        border-radius: var(--radius-sm);
        margin: 1.2em auto;
        box-shadow: var(--shadow-sm);
    }
    .article-content .content-body blockquote {
        border-left: 4px solid var(--accent);
        padding: 12px 20px;
        margin: 1.5em 0;
        background: var(--bg-light);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--text-muted);
        font-style: italic;
    }
    .article-tags {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
        margin-top: 32px;
        padding-top: 24px;
        border-top: 1px solid var(--border-color);
    }
    .article-tags .tag-label {
        font-size: 0.85rem;
        color: var(--text-muted);
        font-weight: 500;
    }
    .article-tags .tag {
        display: inline-block;
        padding: 4px 14px;
        border-radius: var(--radius-xl);
        background: var(--bg-light);
        color: var(--text-body);
        font-size: 0.8rem;
        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: 20px;
        padding-top: 20px;
        border-top: 1px solid var(--border-light);
    }
    .article-share span {
        font-size: 0.85rem;
        color: var(--text-muted);
        font-weight: 500;
    }
    .article-share .share-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px; height: 38px;
        border-radius: 50%;
        background: var(--bg-light);
        color: var(--text-body);
        font-size: 0.95rem;
        transition: var(--transition);
    }
    .article-share .share-btn:hover {
        background: var(--accent);
        color: #fff;
        transform: translateY(-2px);
    }

    /* ===== Sidebar ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 28px;
    }
    .sidebar-card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 24px;
    }
    .sidebar-card h5 {
        font-size: 1.0rem;
        font-weight: 700;
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--border-light);
        color: var(--primary);
    }
    .sidebar-related {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .sidebar-related li {
        padding: 10px 0;
        border-bottom: 1px solid var(--border-light);
    }
    .sidebar-related li:last-child { border-bottom: none; }
    .sidebar-related a {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        color: var(--text-body);
        font-size: 0.88rem;
        line-height: 1.4;
        transition: var(--transition);
    }
    .sidebar-related a:hover { color: var(--accent); }
    .sidebar-related .thumb {
        width: 64px; height: 64px;
        border-radius: var(--radius-sm);
        object-fit: cover;
        flex-shrink: 0;
        background: var(--bg-light);
    }
    .sidebar-related .info { flex: 1; min-width: 0; }
    .sidebar-related .info .title {
        font-weight: 600;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .sidebar-related .info .meta {
        font-size: 0.75rem;
        color: var(--text-muted);
        margin-top: 4px;
    }
    .sidebar-category-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .sidebar-category-list li {
        padding: 8px 0;
        border-bottom: 1px solid var(--border-light);
    }
    .sidebar-category-list li:last-child { border-bottom: none; }
    .sidebar-category-list a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: var(--text-body);
        font-size: 0.9rem;
        font-weight: 500;
    }
    .sidebar-category-list a:hover { color: var(--accent); }
    .sidebar-category-list .count {
        background: var(--bg-light);
        padding: 2px 12px;
        border-radius: var(--radius-xl);
        font-size: 0.75rem;
        color: var(--text-muted);
    }

    /* ===== CTA Section ===== */
    .article-cta {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        padding: 50px 0;
        text-align: center;
        color: #fff;
    }
    .article-cta h2 {
        color: #fff;
        font-weight: 800;
        margin-bottom: 12px;
    }
    .article-cta p {
        color: rgba(255,255,255,0.8);
        max-width: 600px;
        margin: 0 auto 24px;
        font-size: 1.05rem;
    }
    .article-cta .btn-cta {
        display: inline-block;
        padding: 14px 40px;
        border-radius: var(--radius-xl);
        background: var(--accent);
        color: #fff;
        font-weight: 600;
        font-size: 1.0rem;
        border: none;
        transition: var(--transition);
        text-decoration: none;
    }
    .article-cta .btn-cta:hover {
        background: var(--accent-light);
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(232,93,44,0.35);
        color: #fff;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.7);
        padding: 50px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 36px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .logo {
        color: #fff;
        font-size: 1.5rem;
        display: inline-block;
        margin-bottom: 12px;
    }
    .footer-brand .logo span { color: var(--accent); }
    .footer-brand p {
        font-size: 0.88rem;
        line-height: 1.7;
        color: rgba(255,255,255,0.6);
        max-width: 340px;
    }
    .footer-social { display: flex; gap: 14px; }
    .footer-social a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px; height: 38px;
        border-radius: 50%;
        background: rgba(255,255,255,0.06);
        color: rgba(255,255,255,0.7);
        font-size: 1.1rem;
        transition: var(--transition);
    }
    .footer-social a:hover {
        background: var(--accent);
        color: #fff;
        transform: translateY(-2px);
    }
    .footer-col h5 {
        color: #fff;
        font-size: 1.0rem;
        font-weight: 700;
        margin-bottom: 18px;
        letter-spacing: 0.3px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul a {
        color: rgba(255,255,255,0.6);
        font-size: 0.88rem;
        transition: var(--transition);
    }
    .footer-col ul a:hover {
        color: var(--accent);
        padding-left: 4px;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 0;
        font-size: 0.82rem;
        color: rgba(255,255,255,0.45);
        flex-wrap: wrap;
        gap: 8px;
    }
    .footer-bottom a { color: rgba(255,255,255,0.6); }
    .footer-bottom a:hover { color: var(--accent); }

    /* ===== Not Found ===== */
    .not-found-box {
        text-align: center;
        padding: 60px 20px;
    }
    .not-found-box i {
        font-size: 3.6rem;
        color: var(--text-muted);
        margin-bottom: 20px;
        opacity: 0.5;
    }
    .not-found-box h2 {
        margin-bottom: 12px;
    }
    .not-found-box p {
        color: var(--text-muted);
        margin-bottom: 24px;
    }
    .not-found-box .btn-back {
        display: inline-block;
        padding: 10px 28px;
        border-radius: var(--radius-xl);
        background: var(--primary);
        color: #fff;
        font-weight: 500;
        transition: var(--transition);
    }
    .not-found-box .btn-back:hover {
        background: var(--primary-light);
        transform: translateY(-2px);
        color: #fff;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-wrapper {
            grid-template-columns: 1fr;
        }
        .article-sidebar {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
    }
    @media (max-width: 768px) {
        body { padding-top: 64px; }
        .header-top { height: 56px; }
        .logo { font-size: 1.3rem; }
        .header-search { display: none; }
        .mobile-toggler { display: block; }
        .header-actions .btn-outline,
        .header-actions .btn-accent { display: none; }
        .nav-categories {
            display: none;
            border-top: 1px solid var(--border-color);
            background: var(--bg-white);
        }
        .nav-categories.open { display: block; }
        .nav-links {
            flex-direction: column;
            gap: 0;
            padding: 8px 0;
        }
        .nav-links a {
            padding: 12px 20px;
            border-bottom: none;
            border-left: 3px solid transparent;
        }
        .nav-links a.active {
            border-left-color: var(--accent);
            border-bottom: none;
            background: var(--bg-light);
        }
        .article-hero {
            padding: 40px 0 36px;
            min-height: 200px;
        }
        .article-hero h1 {
            font-size: 1.4rem;
        }
        .article-content {
            padding: 24px 20px 28px;
        }
        .article-content .content-body {
            font-size: 0.98rem;
        }
        .article-sidebar {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }
    @media (max-width: 520px) {
        .article-meta {
            gap: 12px;
            font-size: 0.82rem;
        }
        .article-meta .badge-category {
            font-size: 0.7rem;
            padding: 3px 12px;
        }
        .article-content .featured-image {
            aspect-ratio: 4/3;
        }
        .article-tags .tag {
            font-size: 0.75rem;
            padding: 3px 12px;
        }
        .sidebar-related .thumb {
            width: 52px;
            height: 52px;
        }
        .article-cta {
            padding: 36px 0;
        }
        .article-cta .btn-cta {
            padding: 12px 28px;
            font-size: 0.9rem;
        }
    }

    /* Mobile menu toggle helper */
    .nav-categories.open {
        display: block;
    }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #e63946;
            --clr-primary-dark: #c1121f;
            --clr-primary-light: #ff6b6b;
            --clr-secondary: #1d3557;
            --clr-secondary-light: #2d4a7a;
            --clr-accent: #f4a261;
            --clr-bg: #f8f9fa;
            --clr-bg-alt: #ffffff;
            --clr-bg-dark: #1a1a2e;
            --clr-text: #1a1a2e;
            --clr-text-light: #6c757d;
            --clr-text-white: #ffffff;
            --clr-border: #e9ecef;
            --clr-border-light: #f0f0f0;
            --clr-shadow: rgba(0, 0, 0, 0.08);
            --clr-shadow-hover: rgba(0, 0, 0, 0.15);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px var(--clr-shadow);
            --shadow-md: 0 4px 20px var(--clr-shadow);
            --shadow-lg: 0 8px 40px var(--clr-shadow);
            --shadow-hover: 0 12px 48px var(--clr-shadow-hover);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 130px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--clr-primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--clr-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--clr-text);
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--clr-text-light);
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ===== 导航 Header ===== */
        .site-header {
            background: var(--clr-bg-alt);
            border-bottom: 1px solid var(--clr-border);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--clr-secondary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo span {
            color: var(--clr-primary);
        }
        .logo:hover {
            color: var(--clr-secondary);
        }
        .header-search {
            flex: 1;
            max-width: 420px;
            position: relative;
        }
        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--clr-text-light);
            font-size: 0.95rem;
            pointer-events: none;
            z-index: 2;
        }
        .header-search .form-control {
            width: 100%;
            padding: 10px 16px 10px 42px;
            border-radius: 50px;
            border: 1.5px solid var(--clr-border);
            background: var(--clr-bg);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .header-search .form-control:focus {
            border-color: var(--clr-primary);
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.12);
            background: var(--clr-bg-alt);
            outline: none;
        }
        .header-search .form-control::placeholder {
            color: var(--clr-text-light);
            opacity: 0.7;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--clr-border);
            color: var(--clr-text);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .btn-accent {
            background: var(--clr-primary);
            border: none;
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--clr-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .mobile-toggler {
            display: none;
            background: none;
            border: 1.5px solid var(--clr-border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--clr-text);
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggler:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
        }

        /* 导航分类栏 */
        .nav-categories {
            background: var(--clr-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0;
            margin: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links li a {
            display: block;
            padding: 12px 22px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            border-radius: 0;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--clr-primary);
            border-radius: 3px 3px 0 0;
            transition: var(--transition);
        }
        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links li a:hover::after {
            width: 50%;
        }
        .nav-links li a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links li a.active::after {
            width: 70%;
        }
        .nav-links li a:focus-visible {
            outline: 2px solid var(--clr-primary-light);
            outline-offset: -2px;
        }

        /* ===== 移动端导航 ===== */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1060;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-menu-overlay.show {
            display: block;
            opacity: 1;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: var(--clr-bg-alt);
            z-index: 1070;
            box-shadow: -4px 0 30px rgba(0, 0, 0, 0.15);
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 24px 20px;
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            right: 0;
        }
        .mobile-menu-panel .close-btn {
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--clr-text);
            cursor: pointer;
            float: right;
            transition: var(--transition);
        }
        .mobile-menu-panel .close-btn:hover {
            color: var(--clr-primary);
            transform: rotate(90deg);
        }
        .mobile-menu-panel .mobile-nav-list {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu-panel .mobile-nav-list a {
            display: block;
            padding: 12px 16px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--clr-text);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu-panel .mobile-nav-list a:hover {
            background: var(--clr-bg);
            color: var(--clr-primary);
        }
        .mobile-menu-panel .mobile-nav-list a.active {
            background: var(--clr-primary);
            color: #fff;
        }
        .mobile-menu-panel .mobile-search-m {
            margin-top: 20px;
        }
        .mobile-menu-panel .mobile-search-m .form-control {
            width: 100%;
            padding: 10px 16px;
            border-radius: 50px;
            border: 1.5px solid var(--clr-border);
            background: var(--clr-bg);
        }

        /* ===== Hero 板块 ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 90px;
            background: var(--clr-bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(230, 57, 70, 0.4) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--clr-primary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            letter-spacing: -0.5px;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .category-hero .hero-stats .stat-item {
            color: rgba(255, 255, 255, 0.9);
        }
        .category-hero .hero-stats .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-item .label {
            font-size: 0.85rem;
            opacity: 0.8;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 70px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--clr-secondary);
        }
        .section-title p {
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
            color: var(--clr-text-light);
        }
        .section-title .title-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            color: var(--clr-primary);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .bg-alt {
            background: var(--clr-bg-alt);
        }
        .bg-light-muted {
            background: var(--clr-bg);
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--clr-bg-alt);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .card-custom .card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .card-custom .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-custom:hover .card-img img {
            transform: scale(1.05);
        }
        .card-custom .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--clr-primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
        }
        .card-custom .card-body {
            padding: 20px 22px 24px;
        }
        .card-custom .card-body .card-category {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--clr-primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .card-custom .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-custom .card-body h3 a {
            color: var(--clr-text);
        }
        .card-custom .card-body h3 a:hover {
            color: var(--clr-primary);
        }
        .card-custom .card-body p {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            margin-bottom: 12px;
        }
        .card-custom .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--clr-text-light);
        }
        .card-custom .card-body .card-meta i {
            margin-right: 4px;
        }

        /* ===== 分类卡片网格 ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .sport-category-card {
            background: var(--clr-bg-alt);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 28px 24px 32px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }
        .sport-category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--clr-primary);
        }
        .sport-category-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.8rem;
            color: var(--clr-primary);
            transition: var(--transition);
        }
        .sport-category-card:hover .icon-wrap {
            background: var(--clr-primary);
            color: #fff;
            transform: scale(1.05);
        }
        .sport-category-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .sport-category-card p {
            font-size: 0.88rem;
            color: var(--clr-text-light);
            margin-bottom: 12px;
        }
        .sport-category-card .badge-count {
            display: inline-block;
            background: var(--clr-bg);
            color: var(--clr-text-light);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== 统计数字 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stat-card {
            background: var(--clr-bg-alt);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .stat-card .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--clr-primary);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.92rem;
            color: var(--clr-text-light);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--clr-bg-alt);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
            border-color: transparent;
        }
        .news-item .news-thumb {
            width: 120px;
            min-height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content .news-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            color: var(--clr-primary);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .news-item .news-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .news-item .news-content h4 a {
            color: var(--clr-text);
        }
        .news-item .news-content h4 a:hover {
            color: var(--clr-primary);
        }
        .news-item .news-content p {
            font-size: 0.88rem;
            color: var(--clr-text-light);
            margin-bottom: 6px;
        }
        .news-item .news-content .news-meta {
            font-size: 0.78rem;
            color: var(--clr-text-light);
            display: flex;
            gap: 16px;
        }
        .news-item .news-content .news-meta i {
            margin-right: 4px;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--clr-bg-alt);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--clr-primary-light);
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-q {
            font-weight: 700;
            font-size: 1rem;
            color: var(--clr-secondary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-item .faq-q i {
            color: var(--clr-primary);
            font-size: 0.9rem;
        }
        .faq-item .faq-a {
            font-size: 0.92rem;
            color: var(--clr-text-light);
            padding-left: 24px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--clr-secondary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            isolation: isolate;
            padding: 70px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(230, 57, 70, 0.5) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 24px;
            font-size: 1.05rem;
        }
        .cta-section .btn-cta {
            background: var(--clr-primary);
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition);
            cursor: pointer;
            display: inline-block;
        }
        .cta-section .btn-cta:hover {
            background: var(--clr-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.4);
        }
        .cta-section .btn-cta-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            display: inline-block;
            margin-left: 12px;
        }
        .cta-section .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 30px;
        }
        .site-footer .logo {
            color: #fff;
            font-size: 1.5rem;
        }
        .site-footer .logo span {
            color: var(--clr-primary);
        }
        .site-footer p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--clr-primary);
            border-radius: 2px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--clr-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .category-hero h1 {
                font-size: 2.4rem;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 110px;
            }
            .header-top {
                padding: 10px 0;
            }
            .logo {
                font-size: 1.35rem;
            }
            .header-search {
                display: none !important;
            }
            .header-actions .btn-outline,
            .header-actions .btn-accent {
                display: none !important;
            }
            .mobile-toggler {
                display: inline-flex;
            }
            .nav-links li a {
                padding: 10px 14px;
                font-size: 0.85rem;
            }
            .category-hero {
                padding: 50px 0 60px;
                min-height: 300px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .category-hero .hero-stats .stat-item .num {
                font-size: 1.4rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .sports-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .news-item {
                flex-direction: column;
                padding: 14px 16px;
            }
            .news-item .news-thumb {
                width: 100%;
                min-height: 140px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-stats {
                flex-direction: column;
                gap: 8px;
            }
            .sports-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .sport-category-card {
                padding: 20px 16px 24px;
            }
            .sport-category-card .icon-wrap {
                width: 48px;
                height: 48px;
                font-size: 1.4rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-num {
                font-size: 1.8rem;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .nav-links li a {
                padding: 8px 12px;
                font-size: 0.78rem;
            }
        }
        @media (min-width: 769px) {
            .mobile-toggler {
                display: none !important;
            }
            .mobile-menu-overlay,
            .mobile-menu-panel {
                display: none !important;
            }
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f8d7da;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f77f00;
            --accent-light: #fdf0d5;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #333333;
            --text-muted: #6c757d;
            --text-light: #f1f1f1;
            --border-color: #e9ecef;
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --border-radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --container-max: 1200px;
            --spacing-section: 5rem;
            --spacing-section-mobile: 3rem;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius-sm);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
            margin-top: 0;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 1.25rem;
            padding-right: 1.25rem;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Buttons ===== */
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.35);
        }
        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            color: var(--text-dark);
            border: 1.5px solid var(--border-color);
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: #0f2438;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(29, 53, 87, 0.3);
        }

        .btn-sm {
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
        }

        /* ===== Tags / Badges ===== */
        .badge-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 0.25rem 0.9rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .badge-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        .badge-cat {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border: none;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .card-custom .card-img-top {
            border-radius: var(--border-radius) var(--border-radius) 0 0;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .card-custom .card-body {
            padding: 1.5rem;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .card-custom .card-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .card-custom .card-footer {
            background: transparent;
            border-top: 1px solid var(--border-color);
            padding: 1rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background: #fff;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(8px);
            background: rgba(255, 255, 255, 0.97);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1.5rem;
        }

        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo span {
            color: var(--primary);
        }
        .logo:hover {
            color: var(--text-dark);
        }

        .header-search {
            flex: 1;
            max-width: 480px;
            position: relative;
        }
        .header-search .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .header-search .form-control {
            border-radius: 50px;
            padding-left: 2.8rem;
            padding-right: 1.2rem;
            border: 1.5px solid var(--border-color);
            background: var(--bg-light);
            font-size: 0.9rem;
            height: 44px;
            transition: var(--transition);
        }
        .header-search .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.12);
            background: #fff;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .mobile-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 0.25rem 0.5rem;
            cursor: pointer;
        }

        /* Nav Categories */
        .nav-categories {
            border-top: 1px solid var(--border-color);
            background: #fff;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links li a {
            display: block;
            padding: 0.7rem 1.2rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-radius: var(--border-radius-sm);
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1.2rem;
            right: 1.2rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        /* ===== Hero / Banner ===== */
        .category-banner {
            background: linear-gradient(135deg, var(--secondary) 0%, #0f2438 100%);
            padding: 4rem 0 3.5rem;
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .category-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;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-banner h1 {
            font-size: 2.6rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .category-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin-bottom: 1.5rem;
        }
        .category-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1rem;
        }
        .category-banner .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .category-banner .breadcrumb-custom a:hover {
            color: #fff;
        }
        .category-banner .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Section Spacing ===== */
        .section-block {
            padding: var(--spacing-section) 0;
        }
        .section-block+.section-block {
            padding-top: 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            max-width: 600px;
        }

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

        /* ===== Filter / Sort Bar ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.6rem;
            padding: 1rem 1.5rem;
            background: #fff;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 2.5rem;
        }
        .filter-bar .filter-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
            margin-right: 0.5rem;
        }
        .filter-bar .btn-filter {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 0.35rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            cursor: pointer;
        }
        .filter-bar .btn-filter:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .filter-bar .btn-filter.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Featured Gear Card (Large) ===== */
        .gear-featured {
            background: #fff;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            margin-bottom: 3rem;
        }
        .gear-featured .featured-img {
            min-height: 320px;
            background: var(--bg-light);
        }
        .gear-featured .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .gear-featured .featured-content {
            padding: 2.5rem 2.5rem 2rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .gear-featured .featured-content .badge {
            align-self: flex-start;
            margin-bottom: 1rem;
        }
        .gear-featured .featured-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .gear-featured .featured-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        /* ===== Gear Grid ===== */
        .gear-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

        .gear-card {
            background: #fff;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .gear-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .gear-card .gear-img {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--bg-light);
        }
        .gear-card .gear-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .gear-card:hover .gear-img img {
            transform: scale(1.05);
        }
        .gear-card .gear-info {
            padding: 1.25rem 1.5rem 1.5rem;
        }
        .gear-card .gear-info .gear-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--secondary-light);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.3rem;
        }
        .gear-card .gear-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .gear-card .gear-info .gear-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .gear-card .gear-info .gear-meta i {
            color: var(--primary);
        }

        /* ===== Guide List ===== */
        .guide-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .guide-item {
            background: #fff;
            border-radius: var(--border-radius);
            padding: 1.8rem 2rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
        }
        .guide-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .guide-item .guide-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            flex-shrink: 0;
        }
        .guide-item .guide-icon.ic-red {
            background: var(--primary);
        }
        .guide-item .guide-icon.ic-blue {
            background: var(--secondary-light);
        }
        .guide-item .guide-icon.ic-orange {
            background: var(--accent);
        }
        .guide-item .guide-icon.ic-green {
            background: #2a9d8f;
        }
        .guide-item .guide-icon.ic-purple {
            background: #7b2cbf;
        }
        .guide-item .guide-icon.ic-teal {
            background: #0dafaf;
        }
        .guide-item .guide-text h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        .guide-item .guide-text p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== Brand Showcase ===== */
        .brand-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1.2rem;
        }
        .brand-item {
            background: #fff;
            border-radius: var(--border-radius);
            padding: 1.2rem 0.8rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .brand-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .brand-item img {
            max-height: 40px;
            margin: 0 auto 0.6rem;
            opacity: 0.75;
            transition: var(--transition);
        }
        .brand-item:hover img {
            opacity: 1;
        }
        .brand-item .brand-name {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: none;
            border-radius: var(--border-radius-sm);
            margin-bottom: 0.75rem;
            background: #fff;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            padding: 1.2rem 1.5rem;
            background: #fff;
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.03);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
        }
        .faq-accordion .accordion-body {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0f2438 100%);
            padding: 4rem 0;
            text-align: center;
            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-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 2rem;
        }
        .cta-section .btn-accent {
            background: #fff;
            color: var(--primary);
            font-size: 1.05rem;
            padding: 0.8rem 2.5rem;
        }
        .cta-section .btn-accent:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.5rem;
        }
        .footer-brand .logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            margin-top: 0.8rem;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-social {
            display: flex;
            gap: 0.8rem;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .gear-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3rem;
            }

            .header-search {
                display: none !important;
            }
            .mobile-toggler {
                display: block;
            }

            .nav-categories {
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
            }
            .nav-categories.open {
                max-height: 300px;
            }
            .nav-links {
                flex-direction: column;
                padding: 0.5rem 0;
                gap: 0;
            }
            .nav-links li a {
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: 0;
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-links li a.active {
                background: rgba(230, 57, 70, 0.08);
                border-left: 3px solid var(--primary);
            }

            .category-banner {
                padding: 2.8rem 0 2.5rem;
                min-height: auto;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .category-banner p {
                font-size: 0.95rem;
            }

            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.8rem;
            }

            .gear-featured {
                grid-template-columns: 1fr;
            }
            .gear-featured .featured-img {
                min-height: 220px;
            }
            .gear-featured .featured-content {
                padding: 1.5rem;
            }
            .gear-featured .featured-content h3 {
                font-size: 1.3rem;
            }

            .gear-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            .guide-list {
                grid-template-columns: 1fr;
            }
            .guide-item {
                padding: 1.2rem 1.5rem;
            }

            .brand-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.8rem;
            }

            .filter-bar {
                padding: 0.8rem 1rem;
                gap: 0.4rem;
            }
            .filter-bar .btn-filter {
                font-size: 0.8rem;
                padding: 0.3rem 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .header-top {
                padding: 0.6rem 0;
                gap: 0.8rem;
            }
            .logo {
                font-size: 1.3rem;
            }
            .header-actions .btn-outline,
            .header-actions .btn-accent {
                display: none !important;
            }
            .mobile-toggler {
                display: block;
            }

            .category-banner h1 {
                font-size: 1.5rem;
            }

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

            .gear-card .gear-info {
                padding: 1rem 1.2rem 1.2rem;
            }
        }

        /* ===== Utility ===== */
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-2 {
            margin-top: 0.5rem !important;
        }
        .mt-3 {
            margin-top: 1rem !important;
        }
        .gap-1 {
            gap: 0.25rem;
        }
        .gap-2 {
            gap: 0.5rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }
        .text-muted {
            color: var(--text-muted);
        }

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