.video-wrapper>div[data-v-2557737e]{text-align:center;margin-right:20px}.video-wrapper .upfile-wrapper[data-v-2557737e]{width:140px;height:87px;overflow:hidden;margin-right:20px;position:relative;margin:auto;margin-bottom:15px;border:1px solid #dcdee2}.video-wrapper .upfile-wrapper[data-v-2557737e]:after{position:absolute;top:50%;left:50%;-webkit-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);transform:translate(-50%,-50%);content:"封面";display:inline-block}.video-wrapper .upfile-wrapper.video[data-v-2557737e]:after{content:"视频"}.video-wrapper .upfile-wrapper.video[data-v-2557737e]:before{position:absolute;top:0;left:0;width:100%;height:100%;content:"";display:inline-block;z-index:3}