body,html{padding:0;margin:0;width:100%;height:100%;font-size:100px;background-color:#f5f5f5}.van-overlay{display:flex;justify-content:center;align-items:center}.full-screen{position:fixed!important;top:0;left:0;z-index:99999999999}.zoom-box{position:absolute;width:100%;height:100%}