* { margin: 0; padding: 0; box-sizing: border-box; }
        body { background: #f5f7fc; font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', Roboto, sans-serif; color: #1a2c3e; }
        
        /* 头部导航 */
        .header { background: linear-gradient(135deg, #1e3c5c 0%, #2a5298 100%); color: white; padding: 16px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
        .header .container { max-width: 1280px; margin: 0 auto; padding: 0 32px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
        .logo h1 { font-size: 22px; font-weight: 700; }
        .logo h1 i { color: #f59e0b; margin-right: 6px; }
        .nav { display: flex; gap: 28px; flex-wrap: wrap; }
        .nav a { color: white; text-decoration: none; font-weight: 500; transition: opacity 0.2s; }
        .nav a:hover { opacity: 0.8; }
        .nav a.active { color: #f59e0b; border-bottom: 2px solid #f59e0b; padding-bottom: 4px; }
        
        /* 主体 */
        .main { max-width: 1280px; margin: 32px auto; padding: 0 32px; }
        
        /* 面包屑 */
        .breadcrumb { margin-bottom: 20px; font-size: 14px; color: #64748b; }
        .breadcrumb a { color: #2c9cd4; text-decoration: none; }
        
        /* 页面标题 */
        .page-header { margin-bottom: 28px; }
        .page-title { font-size: 28px; font-weight: 700; color: #1a2c3e; }
        .page-desc { color: #64748b; margin-top: 8px; }
        
        /* 分类导航 */
        .category-nav { background: white; border-radius: 20px; padding: 16px 24px; margin-bottom: 28px; border: 1px solid #e2e8f0; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
        .category-label { font-weight: 600; color: #1e293b; display: flex; align-items: center; gap: 6px; }
        .category-links { display: flex; flex-wrap: wrap; gap: 12px; }
        .category-link { background: #f1f5f9; padding: 6px 18px; border-radius: 30px; text-decoration: none; color: #475569; font-size: 14px; transition: all 0.2s; }
        .category-link:hover { background: #2c9cd4; color: white; }
        .category-link.active { background: #2c9cd4; color: white; }
        
        /* 置顶攻略 */
        .top-section { margin-bottom: 40px; }
        .section-title { font-size: 20px; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
        .section-title i { color: #f59e0b; }
        .top-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .top-card { background: linear-gradient(135deg, #fff9eb, #fff3e0); border-radius: 20px; overflow: hidden; border: 1px solid #fde68a; transition: all 0.3s; text-decoration: none; color: inherit; display: block; }
        .top-card:hover { transform: translateY(-5px); box-shadow: 0 20px 30px -12px rgba(0,0,0,0.15); }
        .top-img { height: 160px; background: linear-gradient(135deg, #2c9cd4, #1a6e9e); display: flex; align-items: center; justify-content: center; color: white; font-size: 48px; }
        .top-img img { width: 100%; height: 100%; object-fit: cover; }
        .top-info { padding: 20px; }
        .top-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
        .top-desc { font-size: 13px; color: #5a6e7c; line-height: 1.5; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .top-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: #94a3b8; }
        
        /* 攻略列表网格 */
        .guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; margin-bottom: 40px; }
        .guide-card { background: white; border-radius: 20px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.04); border: 1px solid #e2e8f0; transition: all 0.3s; text-decoration: none; color: inherit; display: block; }
        .guide-card:hover { transform: translateY(-5px); box-shadow: 0 20px 30px -12px rgba(0,0,0,0.15); }
        .guide-img { height: 160px; background: linear-gradient(135deg, #2c9cd4, #1a6e9e); display: flex; align-items: center; justify-content: center; color: white; font-size: 48px; }
        .guide-img img { width: 100%; height: 100%; object-fit: cover; }
        .guide-info { padding: 20px; }
        .guide-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
        .guide-desc { font-size: 13px; color: #5a6e7c; line-height: 1.5; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .guide-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: #94a3b8; }
        .guide-meta i { margin-right: 4px; }
        .external-icon { color: #2c9cd4; margin-left: 4px; font-size: 12px; }
        
        /* 热门推荐侧边栏 */
        .two-columns { display: grid; grid-template-columns: 1fr 320px; gap: 32px; margin-bottom: 40px; }
        .sidebar-card { background: white; border-radius: 20px; border: 1px solid #e2e8f0; overflow: hidden; }
        .sidebar-header { padding: 16px 20px; border-bottom: 1px solid #eef2f6; font-weight: 700; display: flex; align-items: center; gap: 8px; }
        .sidebar-header i { color: #f59e0b; }
        .sidebar-body { padding: 16px 20px; }
        .hot-list { list-style: none; }
        .hot-item { padding: 12px 0; border-bottom: 1px solid #f1f5f9; display: flex; gap: 12px; }
        .hot-item:last-child { border-bottom: none; }
        .hot-rank { width: 28px; height: 28px; background: #f1f5f9; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; color: #64748b; }
        .hot-rank.top1 { background: #fef3c7; color: #d97706; }
        .hot-rank.top2 { background: #eef2ff; color: #3b82f6; }
        .hot-rank.top3 { background: #f0fdf4; color: #22c55e; }
        .hot-info { flex: 1; }
        .hot-title { font-size: 14px; font-weight: 500; color: #1a2c3e; text-decoration: none; display: block; margin-bottom: 4px; }
        .hot-title:hover { color: #2c9cd4; }
        .hot-views { font-size: 11px; color: #94a3b8; }
        
        /* 分页 */
        .pagination { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin: 30px 0; }
        .pagination a, .pagination span { padding: 8px 16px; border-radius: 10px; background: white; border: 1px solid #e2e8f0; text-decoration: none; color: #475569; transition: all 0.2s; }
        .pagination a:hover { background: #2c9cd4; color: white; border-color: #2c9cd4; }
        .pagination .current { background: #2c9cd4; color: white; border-color: #2c9cd4; }
        
        /* 空状态 */
        .empty-state { text-align: center; padding: 60px; background: white; border-radius: 20px; color: #94a3b8; }
        
        /* 底部 */
        .footer { background: #0f172a; color: #94a3b8; text-align: center; padding: 40px 20px; margin-top: 40px; }
        .footer a { color: #94a3b8; text-decoration: none; margin: 0 10px; }
        .footer a:hover { color: white; }
        
        @media (max-width: 900px) {
            .two-columns { grid-template-columns: 1fr; }
            .top-grid { grid-template-columns: 1fr; }
            .guide-grid { grid-template-columns: 1fr; }
            .header .container { flex-direction: column; text-align: center; }
            .nav { justify-content: center; }
            .main { padding: 0 20px; }
        }