.md-video.list .desc{font-size:16px;line-height:1.5;text-align:center;color:#515666}.md-video.list .video-list{width:100%;margin-top:40px;display:flex;flex-wrap:wrap}.md-video.list .video-list .video-item .video-content{width:100%;position:relative;padding-top:56.25%;background-color:#000}.md-video.list .video-list .video-item .video-content .mask{position:absolute;background-color:rgba(0,0,0,.2);left:0;top:0;width:100%;height:100%;z-index:1;pointer-events:none}.md-video.list .video-list .video-item .video-content .banner-video.is-play~.mask{display:none}.md-video.list .video-list .video-item.column-3 .play-video{width:60px;height:60px}.md-video.list .video-list .video-item.column-3 .play-video:after{left:17px;border-top:15px solid rgba(0,0,0,0);border-bottom:15px solid rgba(0,0,0,0);border-left:22px solid #fff}@media(max-width: 1080px){.md-video.list .video-list .video-item.column-3 .play-video{width:40px;height:40px}.md-video.list .video-list .video-item.column-3 .play-video:after{left:12px;border-top:10px solid rgba(0,0,0,0);border-bottom:10px solid rgba(0,0,0,0);border-left:15px solid #fff}}.md-video.list .video-list .video-item.column-4 .play-video,.md-video.list .video-list .video-item.column-5 .play-video{border:2px solid #fff;width:45px;height:45px}.md-video.list .video-list .video-item.column-4 .play-video:after,.md-video.list .video-list .video-item.column-5 .play-video:after{left:14px;border-top:12px solid rgba(0,0,0,0);border-bottom:12px solid rgba(0,0,0,0);border-left:17px solid #fff}@media(max-width: 1080px){.md-video.list .video-list .video-item.column-4 .play-video,.md-video.list .video-list .video-item.column-5 .play-video{width:40px;height:40px}.md-video.list .video-list .video-item.column-4 .play-video:after,.md-video.list .video-list .video-item.column-5 .play-video:after{left:12px;border-top:10px solid rgba(0,0,0,0);border-bottom:10px solid rgba(0,0,0,0);border-left:15px solid #fff}}@media(max-width: 600px){.md-video.list .desc{font-size:14px;line-height:1.43}.md-video.list .video-list{margin-top:30px}}