html,body{margin:0;min-height:100%}body{font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Helvetica,Segoe UI,Roboto,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}*,*:before,*:after{box-sizing:border-box}button,input,select,textarea{font:inherit}a{color:inherit}