.collect .video-warp{padding-top:30px}.collect .video-warp .item{position:relative}.collect .video-warp .item .img-bottom{bottom:58px}.collect .video-warp .item .img-over{height:135px}.collect .video-warp .item .img-over .sc{display:none;right:10px;position:absolute}.collect .video-warp .item .img-over:hover{background-color:#000}.collect .video-warp .item .img-over:hover img{opacity:.5}.collect .video-warp .item .img-over:hover .sc{z-index:999;display:block}.collect .video-warp .item .img-over:hover .sc .el-button--text{color:#fff}