/* 知识库页面特定样式 */
        .knowledge-hero {
            background: linear-gradient(135deg, rgba(10, 36, 99, 0.9) 0%, rgba(62, 146, 204, 0.9) 100%), url('/template/jia/images/1.jpg');
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            color: white;
            text-align: center;
        }
        
        .knowledge-hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: white;
        }
        
        .knowledge-hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }
        
        .search-box input {
            width: 100%;
            padding: 15px 20px;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .search-box button {
            position: absolute;
            right: 5px;
            top: 5px;
            background: var(--secondary);
            color: var(--primary);
            border: none;
            border-radius: 50px;
            padding: 10px 20px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        
        .search-box button:hover {
            background: var(--primary);
            color: white;
        }
        
        .knowledge-content {
            padding: 80px 0;
            background-color: #f8f9fa;
        }
        
        .knowledge-container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .knowledge-sidebar {
            flex: 1;
            min-width: 250px;
            background: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: fit-content;
        }
        
        .knowledge-main {
            flex: 3;
            min-width: 300px;
        }
        
        .category-title {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
        }
        
        .category-list li {
            margin-bottom: 12px;
            transition: var(--transition);
        }
        
        .category-list li a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--dark);
            padding: 8px 0;
            transition: var(--transition);
            border-bottom: 1px solid var(--light-gray);
        }
        
        .category-list li a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        
        .category-list .count {
            background: var(--light-gray);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 20px;
            font-size: 0.8rem;
        }
        
        .popular-articles {
            margin-top: 30px;
        }
        
        .popular-article {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--light-gray);
        }
        
        .popular-article:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .popular-article img {
            width: 60px;
            height: 60px;
            object-fit: cover;
            border-radius: 8px;
            margin-right: 15px;
        }
        
        .popular-article h4 {
            font-size: 0.95rem;
            margin-bottom: 5px;
        }
        
        .popular-article .date {
            font-size: 0.8rem;
            color: var(--gray);
        }
        
        .filter-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 15px;
            background: white;
            padding: 15px 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .filter-options {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        
        .filter-options select {
            padding: 8px 15px;
            border-radius: 5px;
            border: 1px solid var(--light-gray);
            background: white;
        }
        
        .view-options {
            display: flex;
            gap: 10px;
        }
        
        .view-options button {
            background: var(--light-gray);
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .view-options button.active {
            background: var(--primary);
            color: white;
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .article-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .article-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
                .article-image img{
            height: 100%;
			     width: 100%;
 
        }
        .article-category {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--secondary);
            color: var(--primary);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .article-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .article-content h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.3rem;
            line-height: 1.4;
        }
        
        .article-content p {
            color: #666;
            margin-bottom: 20px;
            flex-grow: 1;
        }
        
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            font-size: 0.85rem;
            color: var(--gray);
        }
        
        .article-author {
            display: flex;
            align-items: center;
        }
        
        .article-author img {
            width: 25px;
            height: 25px;
            border-radius: 50%;
            margin-right: 8px;
        }
        
        .read-more {
            color: var(--secondary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            margin-top: 15px;
            transition: var(--transition);
        }
        
        .read-more i {
            margin-left: 5px;
            transition: var(--transition);
        }
        
        .read-more:hover {
            color: var(--primary);
        }
        
        .read-more:hover i {
            transform: translateX(5px);
        }
        
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 50px;
            gap: 10px;
        }
        
        .pagination a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 5px;
            background: white;
            color: var(--dark);
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        
        .pagination a.active,
        .pagination a:hover {
            background: var(--primary);
            color: white;
        }
        
        .pagination a i {
            font-size: 0.8rem;
        }
   
        
        /* 动画效果 */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .article-card {
            animation: fadeIn 0.5s ease-out forwards;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .knowledge-container {
                flex-direction: column;
            }
            
            .knowledge-sidebar {
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            
            nav {
                margin-top: 20px;
                width: 100%;
                display: none;
            }
            
            nav.active {
                display: block;
            }
            
            nav ul {
                flex-direction: column;
            }
            
            nav ul li {
                margin: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
                position: absolute;
                right: 15px;
                top: 15px;
            }
            
            .knowledge-hero h1 {
                font-size: 2.2rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        
        @media (max-width: 576px) {
            .btn {
                padding: 10px 20px;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .articles-grid {
                grid-template-columns: 1fr;
            }
            
            .article-image {
                height: 180px;
            }
        }