html{font-size:20px}body{position:relative;overflow:auto;width:100%;height:100%;margin:0 auto;font-family:Microsoft YaHei,-apple-system,Inter,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,noto sans,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.5;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;-webkit-overflow-scrolling:touch}