/* 独享CSS部分 - 知识库页面 */
        
        /* 页面标题样式 */
        .page-header {
            padding: 150px 0 80px;
            background-color: var(--primary-color);
            color: var(--text-light);
            text-align: center;
            margin-top: 70px;
        }
        
        .page-title {
            font-size: 42px;
            margin-bottom: 20px;
        }
        
        .page-subtitle {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto;
            color: rgba(255,255,255,0.8);
        }
        
        /* 知识库内容样式 */
        .knowledge-section {
            padding: 100px 0;
            background-color: var(--light-color);
        }
        
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }
        
        .knowledge-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .knowledge-card.animate {
            opacity: 1;
            transform: translateY(0);
        }
        
        .knowledge-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .knowledge-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        
        .knowledge-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .knowledge-card:hover .knowledge-image img {
            transform: scale(1.1);
        }
        
        .knowledge-content {
            padding: 25px;
        }
        
        .knowledge-content h3 {
            font-size: 20px;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .knowledge-content h3 a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .knowledge-content h3 a:hover {
            color: var(--secondary-color);
        }
        
        .knowledge-content p {
            color: #666;
            margin-bottom: 15px;
        }
        
        .knowledge-meta {
            display: flex;
            justify-content: space-between;
            color: #999;
            font-size: 14px;
            margin-bottom: 15px;
        }
        
        .knowledge-meta span {
            display: flex;
            align-items: center;
        }
        
        .knowledge-meta i {
            margin-right: 5px;
            color: var(--secondary-color);
        }
        
        .read-more {
            display: inline-block;
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .read-more:hover {
            padding-left: 10px;
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 50px;
        }
        
        .page-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            margin: 0 5px;
            border-radius: 4px;
            background-color: white;
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .page-num:hover {
            background-color: var(--primary-color);
            color: var(--text-light);
        }
        
        .page-num-current {
            background-color: var(--secondary-color);
            color: var(--text-light);
        }
        
        .page-num i {
            font-size: 14px;
        }
        
        /* 分类筛选样式 */
        .category-filter {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .category-btn {
            padding: 8px 20px;
            margin: 0 10px 10px;
            background-color: white;
            color: var(--text-color);
            border: 1px solid #ddd;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .category-btn:hover, .category-btn.active {
            background-color: var(--primary-color);
            color: var(--text-light);
            border-color: var(--primary-color);
        }
        
        /* 动画定义 */
        @keyframes gradientShift {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            .knowledge-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .page-title {
                font-size: 32px;
            }
            
            .knowledge-grid {
                grid-template-columns: 1fr;
            }
            
            .category-filter {
                justify-content: flex-start;
            }
        }