body{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif;background-size:auto;overflow-y:hidden}body,html{height:100%}html{box-sizing:border-box}body,html{margin:0;padding:0}#app{height:100%;overflow:hidden}