/* 页面标题 */
        .page-header {
            margin-top: 100px;
            padding: 60px 0 40px;
            background: linear-gradient(135deg, rgba(26, 103, 170, 0.05), rgba(41, 165, 140, 0.05));
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .page-header:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/template/jia/images/4.jpg') center/cover no-repeat;
            opacity: 0.1;
            z-index: -1;
        }
        
        .page-header h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .page-header h1:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        
        .page-header p {
            font-size: 1.2rem;
            color: var(--gray-color);
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* 广告横幅 */
        .ad-banner {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 25px;
            border-radius: 12px;
            margin: 50px 0;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            position: relative;
            overflow: hidden;
        }
        
        .ad-banner:before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: url('/template/jia/images/8.jpg') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        
        .ad-banner h2 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }
        
        .ad-banner p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            position: relative;
            z-index: 1;
        }
        
        .ad-banner .btn {
            position: relative;
            z-index: 1;
        }
        
        /* 知识库筛选 */
        .knowledge-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 40px 0 30px;
            justify-content: center;
        }
        
        .filter-btn {
            padding: 10px 25px;
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }
        
        .filter-btn:hover, .filter-btn.active {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        /* 知识库列表 */
        .knowledge-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
            margin: 50px 0 80px;
        }
        
        .knowledge-item {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }
		
		.knowledge-item img {
		
		            width: 100%;
            height: 40%;
		}
        
        .knowledge-item:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
            opacity: 0.9;
            z-index: -1;
            transition: height 0.6s ease;
        }
        
        .knowledge-item:hover {
            transform: translateY(-12px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .knowledge-item:hover:before {
            height: 100%;
        }
        
        .knowledge-item:hover .knowledge-image,
        .knowledge-item:hover .knowledge-content h3,
        .knowledge-item:hover .knowledge-content p,
        .knowledge-item:hover .knowledge-meta {
            color: white;
        }
        
        .knowledge-image {
            height: 200px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .knowledge-image:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/template/jia/images/4.jpg') center/cover no-repeat;
            opacity: 0.7;
            mix-blend-mode: overlay;
            transition: var(--transition);
        }
        
        .knowledge-item:hover .knowledge-image:before {
            opacity: 0.9;
        }
        
        .knowledge-content {
            padding: 25px;
        }
        
        .knowledge-content h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--primary-color);
            transition: var(--transition);
            line-height: 1.4;
        }
        
        .knowledge-content p {
            color: var(--gray-color);
            margin-bottom: 20px;
            transition: var(--transition);
            line-height: 1.6;
        }
        
        .knowledge-meta {
            display: flex;
            justify-content: space-between;
            color: var(--gray-color);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .read-more {
            color: var(--secondary-color);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            transition: var(--transition);
            margin-top: 15px;
        }
        
        .read-more i {
            margin-left: 8px;
            transition: var(--transition);
        }
        
        .knowledge-item:hover .read-more {
            color: white;
        }
        
        .read-more:hover i {
            transform: translateX(8px);
        }
        
        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            margin: 60px 0 80px;
        }
        
        .page-num {
            width: 45px;
            height: 45px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 8px;
            border-radius: 10px;
            background: white;
            color: var(--dark-color);
            font-weight: 600;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
        }
        
        .page-num:hover, .page-num.active {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
 
        
        /* 友情链接样式 */
        .friend-links {
            background-color: #f9f9f9;
            padding: 30px 0;
            text-align: center;
        }
        
        .friend-links h3 {
            font-size: 1.2rem;
            color: var(--gray-color);
            margin-bottom: 20px;
        }
        
        .friend-links .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        
        .friend-links a {
            color: var(--gray-color);
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 4px;
        }
        
        .friend-links a:hover {
            color: var(--primary-color);
            background-color: rgba(26, 103, 170, 0.1);
            transform: translateY(-3px);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .knowledge-list {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                background-color: white;
                width: 100%;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
                transition: var(--transition);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 15px 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .contact-info {
                display: none;
            }
            
            .page-header h1 {
                font-size: 2.2rem;
            }
            
            .ad-banner h2 {
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 576px) {
            .page-header {
                margin-top: 80px;
                padding: 40px 0 30px;
            }
            
            .page-header h1 {
                font-size: 1.8rem;
            }
            
            .page-header p {
                font-size: 1rem;
            }
            
            .knowledge-list {
                grid-template-columns: 1fr;
            }
            
            .ad-banner {
                padding: 20px 15px;
            }
            
            .ad-banner h2 {
                font-size: 1.3rem;
            }
        }