.slideshow {
    height: 400px;
    object-fit: cover;
}

/* 视频保护：隐藏下载按钮 */
.video-content video::-webkit-media-controls-enclosure,
.article-content video::-webkit-media-controls-enclosure,
.content video::-webkit-media-controls-enclosure,
.detail video::-webkit-media-controls-enclosure,
body video::-webkit-media-controls-enclosure {
    display: none !important;
    -webkit-appearance: none !important;
}