body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 20px;
            box-sizing: border-box;
        }
        
        h1 {
            font-size: 40px;
            font-weight: bold;
            color: #000;
            text-align: center;
            margin-bottom: 30px;
        }
        
        .gallery {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            max-width: 2200px;
            margin: 0 auto;
        }
        
        .image-container {
            width: calc(20% - 12px); /* 5个一行，每个占20%宽度减去间隙 */
            margin-bottom: 15px;
        }
        
        .image-link {
            display: block;
            width: 100%;
            height: 0;
            padding-bottom: 66.67%; /* 290/435 = 0.6667 */
            position: relative;
            overflow: hidden;
            border: 1px solid #ddd;
            transition: transform 0.3s;
        }
        
        .image-link:hover {
            transform: scale(1.05);
        }
        
        .image-link img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        /* 大平板设备适配 */
        @media (max-width: 1200px) {
            .image-container {
                width: calc(25% - 12px); /* 4个一行 */
            }
        }
        
        /* 平板设备适配 */
        @media (max-width: 900px) {
            .image-container {
                width: calc(33.33% - 12px); /* 3个一行 */
            }
        }
        
        /* 移动设备适配 */
        @media (max-width: 600px) {
            h1 {
                font-size: 32px;
            }
            
            .image-container {
                width: calc(50% - 10px); /* 2个一行 */
            }
        }
        
        @media (max-width: 400px) {
            h1 {
                font-size: 28px;
            }
            
            .image-container {
                width: 100%; /* 1个一行 */
            }
        }