/* ===== 知识库页面独享CSS部分 ===== */
        
        /* 页面标题部分 */
        .page-header {
            background: linear-gradient(rgba(26, 58, 95, 0.85), rgba(26, 58, 95, 0.9)), url('/template/jia/images/1.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 180px 0 100px;
            text-align: center;
            margin-top: 70px;
        }

        .page-title {
            font-size: 48px;
            margin-bottom: 20px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s forwards 0.5s;
        }

        .page-subtitle {
            font-size: 20px;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s forwards 0.8s;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 知识库内容部分 */
        .knowledge-section {
            padding: 100px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 36px;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
        }

        .section-title p {
            color: var(--gray-color);
            max-width: 700px;
            margin: 0 auto;
        }

        .knowledge-categories {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 50px;
        }

        .category-btn {
            padding: 10px 20px;
            background-color: white;
            border: 2px solid var(--primary-color);
            border-radius: 30px;
            color: var(--primary-color);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .category-btn:hover, .category-btn.active {
            background-color: var(--primary-color);
            color: white;
        }

        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }

        .knowledge-card {
            background-color: 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.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .knowledge-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .knowledge-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .knowledge-card:hover .knowledge-image img {
            transform: scale(1.1);
        }

        .knowledge-category {
            position: absolute;
            top: 15px;
            left: 15px;
            background-color: var(--secondary-color);
            color: white;
            padding: 5px 10px;
            border-radius: 3px;
            font-size: 12px;
            font-weight: 600;
        }

        .knowledge-content {
            padding: 25px;
        }

        .knowledge-content h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }

        .knowledge-content h3 a {
            color: var(--primary-color);
            text-decoration: none; /* 确保链接没有下划线 */
            transition: var(--transition);
        }

        .knowledge-content h3 a:hover {
            color: var(--secondary-color);
        }

        .knowledge-content p {
            color: var(--gray-color);
            margin-bottom: 15px;
        }

        .knowledge-meta {
            display: flex;
            justify-content: space-between;
            color: var(--gray-color);
            font-size: 14px;
        }

        .knowledge-meta span {
            display: flex;
            align-items: center;
        }

        .knowledge-meta i {
            margin-right: 5px;
        }

        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 50px;
            gap: 10px;
        }

        .page-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 5px;
            background-color: white;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid #e9ecef;
        }

        .page-num:hover {
            background-color: var(--light-color);
            border-color: var(--primary-color);
        }

        .page-num-current {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        .page-num-current:hover {
            background-color: var(--primary-color);
            color: white;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background-color: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
                transition: var(--transition);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 15px 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .phone-number {
                display: none;
            }
            
            .page-title {
                font-size: 36px;
            }
            
            .page-subtitle {
                font-size: 18px;
            }
            
            .section-title h2 {
                font-size: 30px;
            }
            
            .knowledge-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .knowledge-categories {
                flex-direction: column;
                align-items: center;
            }
        }