#app{font-family:PingFangSC-Regular;color:#2c3e50;font-size:14px;letter-spacing:.5px;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0}li,ul{list-style:none}img{vertical-align:bottom}