/* ====== 知识库页面独享CSS部分 ====== */
        
        /* 页面标题样式 */
        .page-header {
            padding: 150px 0 80px;
            background: linear-gradient(135deg, #003366 0%, #0066cc 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-top: 70px;
        }
        
        .page-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/template/jia/images/8.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
        }
        
        .page-title {
            font-size: 48px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        
        .page-subtitle {
            font-size: 20px;
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        
        /* 知识库内容样式 */
        .knowledge-content {
            padding: 80px 0;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }
        
        .knowledge-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .knowledge-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .knowledge-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .knowledge-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        
        .knowledge-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1));
            z-index: 1;
        }
        
        .knowledge-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }
        
        .knowledge-card:hover .knowledge-image img {
            transform: scale(1.1);
        }
        
        .knowledge-content-inner {
            padding: 25px;
        }
        
        .knowledge-content-inner h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }
        
        .knowledge-content-inner h3 a {
            color: #003366;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            /* 去掉下划线 */
            text-decoration: none !important;
        }
        
        .knowledge-content-inner h3 a:hover {
            color: #0066cc;
        }
        
        .knowledge-content-inner p {
            color: #666;
            font-size: 15px;
            margin-bottom: 15px;
        }
        
        .knowledge-meta {
            display: flex;
            justify-content: space-between;
            color: #999;
            font-size: 14px;
            border-top: 1px solid #f0f0f0;
            padding-top: 15px;
        }
        
        .knowledge-category {
            background: #e6f2ff;
            color: #0066cc;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            display: inline-block;
            margin-bottom: 10px;
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 50px;
            gap: 10px;
        }
        
        .page-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 5px;
            background: white;
            color: #333;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        .page-num:hover {
            background: #0066cc;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(0, 102, 204, 0.3);
        }
        
        .page-num-current {
            background: #0066cc;
            color: white;
        }
        
        .page-num i {
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                transition: all 0.4s ease;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 15px 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .page-title {
                font-size: 36px;
            }
            
            .page-subtitle {
                font-size: 18px;
            }
            
            .knowledge-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
            
            .page-title {
                font-size: 28px;
            }
            
            .page-subtitle {
                font-size: 16px;
            }
        }