:root{color:#2f3437;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{background:#ecfeff}