#app{font-family:A-apple-system,BlinkMacSystemFont,Helvetica Neue,Helvetica,Segoe UI,Arial,Roboto,PingFang SC,miui,Hiragino Sans GB,Microsoft Yahei,sans-serif;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,微软雅黑,helvetica neue,helvetica,ubuntu,roboto,noto,segoe ui,Arial,sans-serif}*{padding:0;margin:0;box-sizing:border-box;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}a{text-decoration:none;color:#333}:root{--bgc-fff:#fff;--bgc-1:#f4f4f4;--radius-px:20px}body{background-color:var(--bgc-1)}