/* ========== 独立CSS - 知识库页面独有样式 ========== */
        
        /* 页面顶部横幅 */
        .page-header {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            padding: 150px 0 80px;
            margin-top: 70px;
            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/2.jpg') center/cover no-repeat;
            opacity: 0.15;
        }

        .page-header-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .page-header h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .page-header p {
            font-size: 1.3rem;
            opacity: 0.9;
            margin-bottom: 30px;
        }

        .breadcrumb {
            display: flex;
            justify-content: center;
            list-style: none;
            font-size: 1rem;
            margin-top: 40px;
        }

        .breadcrumb li {
            margin: 0 10px;
            position: relative;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '>';
            position: absolute;
            right: -15px;
            color: rgba(255, 255, 255, 0.7);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--secondary-color);
        }

        .breadcrumb .current {
            color: var(--secondary-color);
            font-weight: 600;
        }

        /* 知识库内容区域 */
        .knowledge-section {
            padding: 80px 0;
            background-color: #f9fafb;
        }

        /* 知识库主内容 */
        .knowledge-main {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .knowledge-header {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .knowledge-header::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
        }

        .knowledge-header h2 {
            font-size: 2.2rem;
            margin-bottom: 10px;
            font-weight: 800;
            position: relative;
            z-index: 2;
        }

        .knowledge-header p {
            font-size: 1.1rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }

        /* 顶部搜索和筛选区域 */
        .knowledge-tools {
            background-color: white;
            padding: 30px 40px;
            border-bottom: 1px solid var(--light-gray);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 搜索框 */
        .search-box {
            position: relative;
            flex-grow: 1;
            max-width: 500px;
        }

        .search-input {
            width: 100%;
            padding: 15px 20px;
            padding-right: 60px;
            border: 2px solid var(--light-gray);

            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.1);
        }

        .search-button {
            position: absolute;
            right: 5px;
            top: 5px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-button:hover {
            background-color: var(--secondary-color);
            transform: scale(1.05);
        }

        /* 分类筛选 */
        .category-filter {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .category-btn {
            background-color: var(--light-color);
            color: var(--dark-color);
            padding: 10px 20px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .category-btn:hover, .category-btn.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .knowledge-content {
            padding: 40px;
        }

        /* 文章列表 */
        .article-list {
            list-style: none;
        }

        .article-item {
            padding: 40px 0;
            border-bottom: 1px solid var(--light-gray);
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 30px;
        }

        .article-item.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .article-item:last-child {
            border-bottom: none;
        }

        .article-image {
            width: 100%;
            height: 200px;
            border-radius: var(--border-radius);
            overflow: hidden;
        }

        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .article-item:hover .article-image img {
            transform: scale(1.05);
        }

        .article-category {
            display: inline-block;
            background-color: rgba(10, 36, 99, 0.1);
            color: var(--primary-color);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 15px;
            transition: var(--transition);
        }

        .article-item:hover .article-category {
            background-color: var(--primary-color);
            color: white;
        }

        /* 修复：H3标签链接无横线 */
        .article-title {
            margin-bottom: 15px;
        }

        .article-title h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 0;
        }

        .article-title a {
            text-decoration: none; /* 确保无横线 */
            color: inherit;
            transition: var(--transition);
            display: block; /* 使整个标题区域可点击 */
        }

        .article-title a:hover {
            color: var(--secondary-color);
        }

        .article-excerpt {
            color: var(--gray-color);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .meta-info {
            display: flex;
            gap: 20px;
            color: var(--gray-color);
            font-size: 0.9rem;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .meta-item i {
            color: var(--secondary-color);
        }

        .read-more {
            color: var(--primary-color);
            font-weight: 600;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .read-more:hover {
            color: var(--secondary-color);
            gap: 12px;
        }

        /* 分页样式 */
        .pagination-container {
            margin-top: 60px;
            text-align: center;
        }

        .pagination {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            list-style: none;
        }

        .page-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: white;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }

        .page-num:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(10, 36, 99, 0.15);
        }

        .page-num-current {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: scale(1.1);
            box-shadow: 0 5px 15px rgba(10, 36, 99, 0.2);
        }

        .page-num i {
            font-size: 0.9rem;
        }

        .page-num:not(.page-num-current):hover i {
            color: white;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .page-header h1 {
                font-size: 2.5rem;
            }
            
            .knowledge-header h2 {
                font-size: 1.8rem;
            }
            
            .article-item {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .article-image {
                height: 250px;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background-color: white;
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                padding: 20px 0;
                z-index: 999;
            }
            
            .nav-menu.active {
                right: 0;
            }
            
            .nav-menu li {
                margin: 15px 0;
            }
            
            .page-header {
                padding: 120px 0 60px;
            }
            
            .page-header h1 {
                font-size: 2rem;
            }
            
            .page-header p {
                font-size: 1.1rem;
            }
            
            .knowledge-header {
                padding: 25px 20px;
            }
            
            .knowledge-tools {
                padding: 20px;
                flex-direction: column;
                align-items: stretch;
            }
            
            .search-box {
                max-width: 100%;
            }
            
            .category-filter {
                justify-content: center;
            }
            
            .knowledge-content {
                padding: 30px 20px;
            }
            
            .article-image {
                height: 200px;
            }
            
            .article-title h3 {
                font-size: 1.4rem;
            }
            
            .meta-info {
                flex-direction: column;
                gap: 10px;
            }
            
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .pagination {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            section {
                padding: 60px 0;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .page-header {
                padding: 100px 0 50px;
            }
            
            .breadcrumb {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .breadcrumb li {
                margin: 5px 10px;
            }
            
            .article-item {
                padding: 30px 0;
            }
            
            .article-image {
                height: 180px;
            }
            
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .page-num {
                width: 40px;
                height: 40px;
                font-size: 0.9rem;
            }
        }