/* ===== 知识库页面独享CSS部分 ===== */
        .knowledge-page {
            margin-top: 100px;
            min-height: calc(100vh - 400px);
        }
        
        .page-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
            color: white;
            padding: 60px 0;
            text-align: center;
            margin-bottom: 50px;
        }
        
        .page-header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            animation: textGlow 3s infinite alternate;
        }
        
        @keyframes textGlow {
            0% { text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5); }
            100% { text-shadow: 2px 2px 20px rgba(212, 175, 55, 0.7); }
        }
        
        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.9;
        }
        
        /* 知识库筛选区域 */
        .knowledge-filter {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }
        
        .filter-group {
            display: flex;
            flex-direction: column;
            min-width: 200px;
        }
        
        .filter-label {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--primary-color);
        }
        
        .filter-select {
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            background: white;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .filter-select:focus {
            border-color: var(--secondary-color);
            outline: none;
            box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
        }
        
        .search-box {
            display: flex;
            flex-grow: 1;
            min-width: 250px;
        }
        
        .search-input {
            flex-grow: 1;
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .search-input:focus {
            border-color: var(--secondary-color);
            outline: none;
            box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
        }
        
        .search-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 0 4px 4px 0;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .search-btn:hover {
            background: var(--accent-color);
        }
        
        /* 知识库文章列表 */
        .knowledge-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }
        
        .knowledge-card {
            background: 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.visible {
            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::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, rgba(10, 36, 99, 0.2), rgba(212, 175, 55, 0.2));
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 1;
        }
        
        .knowledge-card:hover .knowledge-image::before {
            opacity: 1;
        }
        
        .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: 1.3rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        
        .knowledge-content h3 a {
            color: var(--primary-color);
            text-decoration: none;
            transition: color 0.3s ease;
            /* 确保H3内的链接没有下划线 */
            border-bottom: none !important;
        }
        
        .knowledge-content h3 a:hover {
            color: var(--secondary-color);
        }
        
        .knowledge-content p {
            color: var(--gray-color);
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        .knowledge-meta {
            display: flex;
            justify-content: space-between;
            color: var(--gray-color);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }
        
        .knowledge-meta span {
            display: flex;
            align-items: center;
        }
        
        .knowledge-meta i {
            margin-right: 5px;
        }
        
        .read-more {
            display: inline-block;
            color: var(--secondary-color);
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .read-more::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: width 0.3s ease;
        }
        
        .read-more:hover {
            color: #b8941f;
        }
        
        .read-more:hover::after {
            width: 100%;
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 50px;
            gap: 8px;
        }
        
        .page-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 4px;
            background: white;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        .page-num:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .page-num-current {
            background: var(--secondary-color);
            color: white;
            transform: scale(1.1);
            box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
        }
        
        .page-num i {
            font-size: 0.9rem;
        }
        
        /* 热门标签 */
        .popular-tags {
            margin-top: 60px;
            padding: 40px;
            background: #f8f9fa;
            border-radius: 8px;
        }
        
        .popular-tags h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            text-align: center;
            position: relative;
            padding-bottom: 10px;
        }
        
        .popular-tags h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 2px;
            background: var(--secondary-color);
        }
        
        .tags-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        
        .tag {
            display: inline-block;
            padding: 8px 16px;
            background: white;
            color: var(--primary-color);
            border-radius: 20px;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }
        
        .tag:hover {
            background: var(--secondary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        @media (max-width: 992px) {
            .knowledge-filter {
                flex-direction: column;
                align-items: stretch;
            }
            
            .search-box {
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .knowledge-list {
                grid-template-columns: 1fr;
            }
        }