@media screen and (min-width:700px){#app{width:390px!important;margin:0 auto}.van-overlay,.van-popup--bottom,.van-popup--top{width:390px!important;left:calc(50% - 195px)!important}}#app{font-family:Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#333;width:100%;min-height:100vh;background:#f5f7fa}