/* 图片懒加载和自适应压缩 */
img[data-src] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[data-src].loaded {
    opacity: 1;
}

/* 缩略图样式 */
.gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

/* 加载占位符 */
img.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}