/* 图片双击放大遮罩层 */
.img-zoom-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 99999;
    cursor: zoom-out;
    justify-content: center;
    align-items: center;
}
.img-zoom-overlay.active {
    display: flex;
}
.img-zoom-overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.2s ease;
}