#app{overflow:hidden}body{margin:0;background:#F7F7F7}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;width:100%;height:100%}.opt-title{font-size:14px;display:flex;justify-content:flex-end;width:90px;color:#346fc2;line-height:30px;font-weight:500}.tips{font-size:12px;color:red}