.preview_video{position:fixed;top:0;bottom:0;left:0;right:0;background-color:rgba(0,0,0,.7);z-index:1000;display:flex;justify-content:center;align-items:center}.preview_video video{z-index:1999}.preview_video .el-icon-circle-close{position:absolute;top:50px;right:50px;font-size:40px;color:#e6a23c;cursor:pointer;z-index:2000}@media (max-width:500px){.preview_video{background-color:rgba(0,0,0,.9)}.preview_video video{width:100vw;height:100vh;z-index:1001}.preview_video .el-icon-circle-close{top:10px;right:10px}}