.zan-popup{position:fixed;background-color:#fff;width:100%;height:100%;top:50%;left:50%;transform:translate3d(-50%,-50%,0);transition:.2s ease-out}.zan-popup--top{width:100%;top:0;right:auto;bottom:auto;left:50%;transform:translate3d(-50%,0,0)}.zan-popup--right{transform:translate3d(50%,-50%,0)}.zan-popup--left{transform:translate3d(-150%,-50%,0)}.zan-popup--show{transform:translate3d(-50%,-50%,0)}