.clearfix:after,.clearfix:before{content:"";display:table}#app{width:100vw;height:100vh;overflow:auto}#app::-webkit-scrollbar{width:0!important}#app video{z-index:1}.clearfix:after{clear:both}.van-button{min-height:44px;height:auto!important;padding:5px 15px!important}.van-button .van-button__content .van-button__text{line-height:1.4!important}