/* 自定义样式 */
        .news-section {
            padding: 4rem 0;
        }
        
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        
        .news-card {
            background: white;
            border-radius: 0.5rem;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        
        .news-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .news-content {
            padding: 1.5rem;
        }
        
        .news-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        .news-excerpt {
            color: #4B5563;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            height: 4.5em;
            line-height: 1.5;
        }
        
        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.875rem;
        }
        
        .news-date {
            color: #6B7280;
        }
        
        .news-more {
            color: #3B82F6;
            font-weight: 500;
            display: flex;
            align-items: center;
        }
        
        .news-more i {
            margin-left: 0.25rem;
            font-size: 0.75rem;
        }
        
        /* 响应式调整 */
        @media (max-width: 991px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 767px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            
            .news-section {
                padding: 2rem 0;
            }
        }