html body{padding:0;height:100%;width:100%;min-width:1280px;max-width:1920px;margin:auto}#app{font-family:PingFang TC,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}