:div{color-scheme:light dark}#app,body,html{width:100%;height:100%;background:#f7f7f7}#app{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50;font-family:PingFang SC,Helvetica,STHeiti STXihei,Microsoft YaHei,Tohoma,Arial,sans-serif}