*{box-sizing:border-box;text-decoration:none;list-style:none}*,body{margin:0;padding:0}body{//background-color:var(--van-body-background-color);display:flex;justify-content:center;align-items:center;height:100vh;height:calc(100vh - var(--browser-address-bar, 0px));overflow:hidden;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;//text-align:center;box-sizing:border-box;position:relative;width:100%;overflow-y:auto;height:100vh;font-size:16px;max-width:550px}