html{box-sizing:border-box}*,:after,:before{box-sizing:inherit}body,html{height:100%;margin:0;padding:0;overflow:hidden}#app{height:100%;font-family:PingFang SC,-apple-system,Microsoft YaHei,Segoe UI!important;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}