      /* 独享CSS - 知识库页面 */
        
        /* 页面标题样式 */
        .page-header {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        
        .page-header h1 {
            font-size: 3rem;
            margin-bottom: 20px;
        }
        
        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 知识库内容样式 */
        .knowledge-section {
            padding: 80px 0;
        }
        
        .knowledge-categories {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
        }
        
        .category-btn {
            padding: 10px 25px;
            background: white;
            border: 2px solid var(--primary-color);
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            color: var(--primary-color);
        }
        
        .category-btn:hover,
        .category-btn.active {
            background: var(--primary-color);
            color: white;
        }
        
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }
        
        .knowledge-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(30px);
        }
        
        .knowledge-card.animate {
            opacity: 1;
            transform: translateY(0);
        }
        
        .knowledge-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        
        .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(45deg, transparent, rgba(201, 162, 39, 0.1), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s;
            z-index: 1;
        }
        
        .knowledge-card:hover .knowledge-image::before {
            transform: translateX(100%);
        }
        
        .knowledge-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .knowledge-card:hover .knowledge-image img {
            transform: scale(1.05);
        }
        
        .knowledge-content {
            padding: 25px;
        }
        
        .knowledge-content h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .knowledge-content h3 a {
            color: inherit;
            text-decoration: none; /* 确保H3标签链接无横线 */
            transition: var(--transition);
        }
        
        .knowledge-content h3 a:hover {
            color: var(--secondary-color);
        }
        
        .knowledge-content .meta {
            color: #777;
            font-size: 0.9rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .knowledge-content .meta i {
            margin-right: 5px;
            color: var(--secondary-color);
        }
        
        .knowledge-content .meta span {
            margin-right: 15px;
        }
        
        .knowledge-content p {
            color: #666;
            margin-bottom: 15px;
        }
        
        .read-more {
            color: var(--primary-color);
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .read-more::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s;
        }
        
        .read-more:hover {
            color: var(--secondary-color);
        }
        
        .read-more:hover::before {
            width: 100%;
        }
        
        .read-more i {
            margin-left: 5px;
            transition: var(--transition);
        }
        
        .read-more:hover i {
            transform: translateX(5px);
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 50px;
            gap: 5px;
        }
        
        .page-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            text-decoration: none;
            color: var(--primary-color);
            font-weight: 600;
            transition: var(--transition);
            background: white;
            border: 2px solid transparent;
        }
        
        .page-num:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        
        .page-num-current {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        
        .page-num:first-child,
        .page-num:last-child {
            background: #f8f9fa;
            border: 2px solid var(--primary-color);
        }
        
        .page-num:first-child:hover,
        .page-num:last-child:hover {
            background: var(--primary-color);
            color: white;
        }
        
        /* 动画延迟 */
        .knowledge-card:nth-child(1) { transition-delay: 0.1s; }
        .knowledge-card:nth-child(2) { transition-delay: 0.2s; }
        .knowledge-card:nth-child(3) { transition-delay: 0.3s; }
        .knowledge-card:nth-child(4) { transition-delay: 0.4s; }
        .knowledge-card:nth-child(5) { transition-delay: 0.5s; }
        .knowledge-card:nth-child(6) { transition-delay: 0.6s; }
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            .knowledge-categories {
                flex-direction: column;
                align-items: center;
            }
            
            .category-btn {
                width: 100%;
                max-width: 300px;
                text-align: center;
            }
        }
        
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 2.5rem;
            }
            
            .knowledge-grid {
                grid-template-columns: 1fr;
            }
        }