.video_wrap{width:100%;position:relative}.video_wrap video{width:100%}.video_wrap .video_laye{width:100%;top:0;left:0;z-index:1;height:100%;background-color:rgba(0,0,0,.7);position:absolute;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.video_wrap .video_laye .van-icon-play-circle-o{font-size:5em;color:#fff}