*,*:before,*:after{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;color:#1f2937;background:#f3f4f6;-webkit-text-size-adjust:100%}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}@media(max-width:767px){body{font-size:15px}}