*,*:before,*:after{box-sizing:border-box;margin:0;font-weight:400}html,body,#app{width:100%;min-height:100%;padding:0;margin:0;overflow-x:hidden;background:#f4f4f4}body{font-family:Microsoft YaHei,PingFang SC,sans-serif;color:#000;text-rendering:optimizelegibility;-ms-touch-action:manipulation;touch-action:manipulation;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}