/* roulang page: index */
:root {
            --primary: #ff6b35;
            --primary-dark: #e55a2b;
            --primary-light: #ff8a5c;
            --secondary: #1f1b2e;
            --secondary-light: #2a253a;
            --accent: #00c9a7;
            --text: #2d2d2d;
            --text-soft: #6c6c7a;
            --bg: #f8f9fc;
            --card-bg: #ffffff;
            --border: #e9eaef;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.08);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: var(--transition);
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ---------- 导航 ---------- */
        .site-header {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }

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

        .logo {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo span {
            color: var(--secondary);
            font-weight: 700;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-soft);
            transition: all 0.2s;
            white-space: nowrap;
        }

        .main-nav a:hover {
            background: #f2f2f5;
            color: var(--text);
        }

        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(255,107,53,0.3);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* ---------- Hero ---------- */
        .hero {
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 120px 0 100px;
            position: relative;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31,27,46,0.82) 0%, rgba(31,27,46,0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.3;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        .hero .highlight {
            color: var(--primary-light);
        }

        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 36px;
            line-height: 1.7;
        }

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

        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 20px rgba(255,107,53,0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
            border: none;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255,107,53,0.5);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.5);
            color: #fff;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
        }

        .btn-outline-light:hover {
            background: rgba(255,255,255,0.15);
            border-color: #fff;
        }

        /* ---------- 板块通用 ---------- */
        .section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-soft);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ---------- 服务亮点 ---------- */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .feature-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 35px 25px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all 0.3s;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .feature-item:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            background: rgba(255,107,53,0.08);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
            color: var(--primary);
            transition: 0.3s;
        }

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

        .feature-item h3 {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--secondary);
        }

        .feature-item p {
            color: var(--text-soft);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* ---------- 游戏分类入口 ---------- */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .category-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: 0.3s;
            display: flex;
            flex-direction: column;
        }

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

        .category-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .category-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card h3 {
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        .category-card p {
            color: var(--text-soft);
            margin-bottom: 20px;
            flex: 1;
        }

        .btn-sm {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            align-self: flex-start;
        }

        .btn-sm:hover {
            background: var(--primary-dark);
        }

        /* ---------- 最新资讯列表 ---------- */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .post-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: 0.3s;
        }

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

        .post-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .post-card-body {
            padding: 20px;
        }

        .post-card-category {
            display: inline-block;
            background: rgba(255,107,53,0.1);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .post-card h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--secondary);
            line-height: 1.4;
        }

        .post-card p {
            color: var(--text-soft);
            font-size: 0.9rem;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-soft);
        }

        .no-posts-message {
            text-align: center;
            padding: 40px;
            color: var(--text-soft);
            grid-column: 1 / -1;
        }

        /* ---------- 数据统计 ---------- */
        .stats-section {
            background: var(--secondary);
            color: #fff;
            padding: 70px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary-light);
            margin-bottom: 8px;
        }

        .stat-item p {
            opacity: 0.85;
            font-size: 1rem;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: 0.2s;
        }

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

        .faq-item h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--secondary);
            margin-bottom: 8px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item p {
            color: var(--text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 80px 0;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-bottom: -30px;
        }

        .cta-section h2 {
            font-size: 2.3rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            padding: 14px 40px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }

        .btn-light:hover {
            background: #f0f0f0;
            transform: translateY(-2px);
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.7);
            padding: 50px 0 30px;
            margin-top: 60px;
        }

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

        .footer-brand h3 {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
        }

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

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

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

        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .category-grid { grid-template-columns: 1fr 1fr; }
            .posts-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .container { padding: 0 20px; }
            .hero { padding: 80px 0 60px; }
            .hero h1 { font-size: 2.2rem; }
            .section { padding: 60px 0; }
            .section-header h2 { font-size: 1.9rem; }

            .mobile-menu-toggle { display: flex; }
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 75%;
                max-width: 300px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 100px 30px 30px;
                box-shadow: -10px 0 30px rgba(0,0,0,0.1);
                transition: 0.3s ease;
                gap: 12px;
                z-index: 999;
            }
            .main-nav.active {
                right: 0;
            }
            .main-nav a {
                width: 100%;
                justify-content: center;
            }

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

        @media (max-width: 520px) {
            .hero h1 { font-size: 1.9rem; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .posts-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
            .hero-btns { flex-direction: column; align-items: center; }
        }

/* roulang page: category1 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
        
        :root {
            --primary: #3b82f6;
            --primary-dark: #1d4ed8;
            --primary-light: #60a5fa;
            --secondary: #8b5cf6;
            --accent: #f59e0b;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --text: #1e293b;
            --text-soft: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* 导航 */
        .header {
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            position: sticky;
            top: 0;
            z-index: 50;
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 12px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-soft);
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(59,130,246,0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(59,130,246,0.1);
            font-weight: 600;
        }
        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }
        
        /* 分类横幅 */
        .cat-banner {
            background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.08)), url('/assets/images/backpic/back-1.png') center/cover;
            padding: 80px 0;
            position: relative;
            text-align: center;
            overflow: hidden;
        }
        .cat-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(4px);
        }
        .cat-banner-content {
            position: relative;
            z-index: 2;
        }
        .cat-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(59,130,246,0.15);
            color: var(--primary-dark);
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.875rem;
            margin-bottom: 16px;
        }
        .cat-title {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 12px;
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cat-desc {
            font-size: 1.125rem;
            color: var(--text-soft);
            max-width: 600px;
            margin: 0 auto;
        }
        
        /* 子分类路径卡 */
        .path-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            margin: 60px 0;
        }
        .path-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            text-align: center;
            cursor: pointer;
            backdrop-filter: blur(10px);
        }
        .path-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary-light);
            background: linear-gradient(145deg, #ffffff, #f0f7ff);
        }
        .path-icon {
            font-size: 2.2rem;
            margin-bottom: 16px;
            display: block;
        }
        .path-card h3 {
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 1.25rem;
        }
        .path-card p {
            color: var(--text-soft);
            font-size: 0.9rem;
        }
        
        /* 攻略列表 */
        .grid-articles {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 28px;
            margin: 60px 0;
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .article-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }
        .article-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(139,92,246,0.1);
            color: var(--secondary);
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.75rem;
            margin-bottom: 12px;
            width: fit-content;
        }
        .article-title {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-excerpt {
            color: var(--text-soft);
            font-size: 0.9rem;
            margin-bottom: 16px;
            flex: 1;
        }
        .btn-primary {
            background: var(--primary);
            color: white;
            padding: 10px 24px;
            border-radius: 12px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            box-shadow: 0 2px 8px rgba(59,130,246,0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(59,130,246,0.4);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 10px 24px;
            border-radius: 12px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        /* 排行榜 */
        .rank-list {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px;
            margin: 60px 0;
            border: 1px solid var(--border);
        }
        .rank-item {
            display: flex;
            align-items: center;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            gap: 16px;
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-num {
            font-weight: 800;
            font-size: 1.4rem;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(59,130,246,0.1);
            border-radius: 12px;
            color: var(--primary);
        }
        .rank-content h4 {
            font-weight: 700;
        }
        .rank-content p {
            color: var(--text-soft);
            font-size: 0.85rem;
        }
        
        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }
        .faq-q {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-a {
            margin-top: 12px;
            color: var(--text-soft);
            display: none;
            padding-right: 20px;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            color: white;
            margin: 60px 0;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 28px;
        }
        
        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            margin-top: 80px;
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 12px;
        }
        .footer-links h4 {
            color: white;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            color: #64748b;
        }
        
        @media (max-width: 1024px) {
            .cat-title {
                font-size: 2.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: white;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .grid-articles {
                grid-template-columns: 1fr;
            }
            .path-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .path-grid {
                grid-template-columns: 1fr;
            }
            .cat-title {
                font-size: 2rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #6366F1;
            --primary-dark: #4F46E5;
            --primary-light: #818CF8;
            --primary-bg: #EEF2FF;
            --accent: #F59E0B;
            --accent-light: #FEF3C7;
            --accent-dark: #D97706;
            --secondary: #10B981;
            --secondary-bg: #D1FAE5;
            --dark: #0F172A;
            --dark-2: #1E293B;
            --text: #1E293B;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --white: #FFFFFF;
            --bg: #F8FAFC;
            --bg-alt: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
            --shadow-sm: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
            --shadow-md: 0 4px 6px rgba(15,23,42,0.06), 0 2px 4px rgba(15,23,42,0.04);
            --shadow-lg: 0 10px 25px rgba(15,23,42,0.08), 0 4px 10px rgba(15,23,42,0.04);
            --shadow-xl: 0 20px 50px rgba(15,23,42,0.12), 0 8px 20px rgba(15,23,42,0.06);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --max-width: 1200px;
            --nav-height: 72px;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.0625rem;
            --font-lg: 1.125rem;
            --font-xl: 1.25rem;
            --font-2xl: 1.5rem;
            --font-3xl: 1.875rem;
            --font-4xl: 2.25rem;
            --font-5xl: 2.75rem;
            --transition-fast: 150ms ease;
            --transition-base: 250ms ease;
            --transition-slow: 400ms ease;
        }

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

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

        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 2px 8px rgba(99,102,241,0.3);
        }

        .logo-text {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }

        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }

        .nav-search-btn {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--bg-alt);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-search-btn:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }

        .mobile-menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--bg-alt);
            color: var(--text);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }

        /* Article Banner */
        .article-banner {
            position: relative;
            height: 340px;
            background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark) 100%);
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/coverpic/cover-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,23,42,0.3) 0%, rgba(15,23,42,0.75) 100%);
            z-index: 1;
        }

        .article-banner-content {
            position: relative;
            z-index: 2;
            color: var(--white);
            max-width: 700px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255,255,255,0.8);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--white);
        }

        .breadcrumb .separator {
            color: rgba(255,255,255,0.4);
            font-size: 10px;
        }

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }

        .article-banner-title {
            font-size: var(--font-4xl);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .article-banner-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.75);
            flex-wrap: wrap;
        }

        .article-banner-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-banner-meta .category-tag {
            display: inline-block;
            padding: 4px 14px;
            background: var(--accent);
            color: var(--dark);
            border-radius: 20px;
            font-weight: 600;
            font-size: var(--font-xs);
            letter-spacing: 0.02em;
        }

        /* Main Content Area */
        .article-main {
            flex: 1;
            padding: 48px 0 64px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-content-area {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        /* Article Typography */
        .article-body {
            font-size: var(--font-md);
            line-height: 1.85;
            color: var(--text);
        }

        .article-body h2 {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--dark);
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-bg);
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: var(--font-xl);
            font-weight: 600;
            color: var(--dark-2);
            margin: 28px 0 12px;
            letter-spacing: -0.01em;
        }

        .article-body h4 {
            font-size: var(--font-lg);
            font-weight: 600;
            color: var(--text);
            margin: 22px 0 10px;
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body ul, .article-body ol {
            margin: 14px 0 20px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-body ul li::marker {
            color: var(--primary);
        }

        .article-body ol li::marker {
            color: var(--primary);
            font-weight: 600;
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            background: var(--primary-bg);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-body blockquote p {
            margin-bottom: 0;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px auto;
            box-shadow: var(--shadow-md);
        }

        .article-body a {
            color: var(--primary);
            font-weight: 500;
            border-bottom: 1px solid var(--primary-light);
            transition: all var(--transition-fast);
        }

        .article-body a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary-dark);
        }

        .article-body code {
            background: var(--bg-alt);
            padding: 2px 8px;
            border-radius: var(--radius-xs);
            font-size: 0.9em;
            color: var(--primary-dark);
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        .article-body pre {
            background: var(--dark);
            color: #E2E8F0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 20px 0;
            font-size: var(--font-sm);
            line-height: 1.7;
        }

        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        .article-body strong {
            color: var(--dark);
            font-weight: 700;
        }

        /* Article Footer Info */
        .article-footer-info {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: var(--font-sm);
            color: var(--text-muted);
        }

        .article-footer-info .share-btns {
            display: flex;
            gap: 8px;
        }

        .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .share-btn:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .sidebar-card h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .sidebar-card h4 i {
            color: var(--primary);
            font-size: 14px;
        }

        .sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-list li a {
            display: block;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: var(--font-sm);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            line-height: 1.5;
        }

        .sidebar-list li a:hover {
            background: var(--primary-bg);
            color: var(--primary);
            padding-left: 18px;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tag {
            padding: 6px 14px;
            background: var(--bg-alt);
            color: var(--text-secondary);
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .sidebar-tag:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }

        /* Related Posts Section */
        .related-section {
            padding: 0 0 64px;
        }

        .related-section .section-header {
            text-align: left;
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-header h2 i {
            color: var(--primary);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--bg-alt);
        }

        .related-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .related-card-category {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 3px 10px;
            border-radius: 20px;
            align-self: flex-start;
        }

        .related-card-title {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--dark);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .related-card:hover .related-card-title {
            color: var(--primary);
        }

        .related-card-desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-date {
            font-size: var(--font-xs);
            color: var(--text-muted);
            margin-top: auto;
        }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 60px 24px;
        }

        .not-found-state .icon-wrap {
            width: 80px;
            height: 80px;
            margin: 0 auto 24px;
            background: var(--bg-alt);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--text-muted);
        }

        .not-found-state h2 {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .not-found-state p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: var(--font-sm);
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 2px 8px rgba(99,102,241,0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99,102,241,0.4);
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #CBD5E1;
            padding: 56px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-brand h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: var(--font-sm);
            line-height: 1.7;
            color: #94A3B8;
        }

        .footer-links h4 {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links ul li a {
            font-size: var(--font-sm);
            color: #94A3B8;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: var(--font-xs);
            color: #64748B;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 28px;
            }

            .article-content-area {
                padding: 32px 28px;
            }

            .article-banner {
                height: 260px;
            }

            .article-banner-title {
                font-size: var(--font-3xl);
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                gap: 4px;
                z-index: 999;
            }

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

            .main-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .nav-search-btn {
                display: none;
            }

            .article-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }

            .sidebar-card {
                flex: 1 1 100%;
                min-width: 0;
            }

            .article-content-area {
                padding: 24px 20px;
                border-radius: var(--radius-md);
            }

            .article-banner {
                height: 220px;
            }

            .article-banner-title {
                font-size: var(--font-2xl);
            }

            .article-banner-meta {
                gap: 12px;
                font-size: var(--font-xs);
            }

            .article-body {
                font-size: var(--font-base);
            }

            .article-body h2 {
                font-size: var(--font-xl);
            }

            .article-body h3 {
                font-size: var(--font-lg);
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .article-footer-info {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .article-banner {
                height: 200px;
            }

            .article-banner-title {
                font-size: var(--font-xl);
            }

            .article-content-area {
                padding: 20px 16px;
            }

            .article-body {
                font-size: 0.95rem;
            }

            .section-header h2 {
                font-size: var(--font-xl);
            }

            .logo-text {
                font-size: var(--font-base);
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
        }