.container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
  
        /* 新闻分类筛选 */
        .news-filter {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 2.5rem;
        }
        
        .filter-btn {
            padding: 0.6rem 1.5rem;
            background-color: var(--white);
            border: 1px solid var(--gray);
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        
        .filter-btn:hover, .filter-btn.active {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        
        /* 新闻列表 */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 1.8rem;
            margin-bottom: 3rem;
        }
        
        .news-card {
            background-color: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }
        
        .news-image {
            height: 200px;
            overflow: hidden;
        }
        
        .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .news-card:hover .news-image img {
            transform: scale(1.05);
        }
        
        .news-content {
            padding: 1.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .news-category {
            display: inline-block;
            background-color: #e0f2fe;
            color: var(--primary);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            align-self: flex-start;
        }
        
        .news-category.company {
            background-color: #dbeafe;
        }
        
        .news-category.product {
            background-color: #f0f9ff;
        }
        
        .news-category.industry {
            background-color: #fef3c7;
            color: #d97706;
        }
        
        .news-category.event {
            background-color: #f3e8ff;
            color: #7c3aed;
        }
        
        .news-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--dark);
            line-height: 1.4;
        }
        
        .news-excerpt {
            color: var(black);
            margin-bottom: 1.2rem;
            flex-grow: 1;
        }
        
        .news-meta {
            display: flex;
            justify-content: space-between;
            color: #94a3b8;
            font-size: 0.85rem;
            padding-top: 1rem;
            border-top: 1px solid var(--gray);
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            margin: 3rem 0 4rem;
        }
        
        .pagination a {
            color: var(--dark);
            padding: 0.6rem 1rem;
            margin: 0 0.2rem;
            text-decoration: none;
            border: 1px solid var(--gray);
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        
        .pagination a:hover, .pagination a.active {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
            }
            
            .header-content h1 {
                font-size: 2rem;
            }
            
            .filter-btn {
                padding: 0.5rem 1.2rem;
                font-size: 0.9rem;
            }
        }
        
        @media (max-width: 480px) {
            .header-content h1 {
                font-size: 1.7rem;
            }
            
            .news-title {
                font-size: 1.2rem;
            }
        }