/* 页面顶部横幅 */
        .page-hero {
            height: 50vh;
            position: relative;
            overflow: hidden;
            margin-top: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-color), #0d2b52);
            color: white;
            text-align: center;
        }

        .page-hero-content h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
        }

        .page-hero-content p {
            font-size: 1.3rem;
            margin-bottom: 30px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* 知识库区域 */
        .knowledge-section {
            padding: 100px 0;
            background: var(--light-color);
        }

        .knowledge-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .knowledge-list {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .knowledge-item {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            display: flex;
        }

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

        .knowledge-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--primary-color);
            transform: scaleX(0);
            transition: var(--transition);
            z-index: 1;
        }

        .knowledge-item:hover::before {
            transform: scaleX(1);
        }

        .knowledge-thumbnail {
            flex: 0 0 35%;
            position: relative;
            overflow: hidden;
        }

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

        .knowledge-item:hover .knowledge-thumbnail img {
            transform: scale(1.1);
        }

        .knowledge-content {
            flex: 1;
            padding: 30px;
        }

        .knowledge-content h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .knowledge-content h3 a {
            color: inherit;
            text-decoration: none; /* 去掉链接横线 */
            transition: var(--transition);
        }

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

        .knowledge-content h3::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--accent-color);
            border-radius: 2px;
            transition: var(--transition);
        }

        .knowledge-item:hover .knowledge-content h3::after {
            width: 100px;
        }

        .knowledge-meta {
            display: flex;
            gap: 15px;
            margin-bottom: 15px;
            font-size: 0.9rem;
            color: #777;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }

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

        .knowledge-content p {
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-color);
            font-weight: 600;
            transition: var(--transition);
        }

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

        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 60px;
            gap: 10px;
        }

        .page-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 4px;
            background: white;
            color: var(--text-color);
            font-weight: 600;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .page-num:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }

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

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

        /* 知识库分类 */
        .knowledge-categories {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .category-btn {
            padding: 10px 20px;
            background: white;
            border-radius: 30px;
            font-weight: 600;
            color: var(--text-color);
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .category-btn:hover, .category-btn.active {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }

        /* 独享部分响应式设计 */
        @media (max-width: 992px) {
            .page-hero-content h1 {
                font-size: 2.5rem;
            }
            
            .knowledge-item {
                flex-direction: column;
            }
            
            .knowledge-thumbnail {
                flex: 0 0 200px;
            }
        }

        @media (max-width: 768px) {
            .page-hero-content h1 {
                font-size: 2rem;
            }
            
            .page-hero-content p {
                font-size: 1.1rem;
            }
            
            .knowledge-content {
                padding: 20px;
            }
            
            .knowledge-content h3 {
                font-size: 1.3rem;
            }
            
            .knowledge-meta {
                flex-direction: column;
                gap: 5px;
            }
            
            .knowledge-thumbnail {
                flex: 0 0 180px;
            }
        }

        @media (max-width: 576px) {
            .page-hero-content h1 {
                font-size: 1.8rem;
            }
            
            .pagination {
                flex-wrap: wrap;
            }
            
            .knowledge-thumbnail {
                flex: 0 0 150px;
            }
        }