body{margin:0;padding:0;max-width:21.33333rem;background-color:#f7f8fc}body .nav_bar{position:fixed;top:0;width:10rem}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}#app i.van-icon-bars{font-size:.69333rem}#app .sidebar{padding:0 .4rem}nav{padding:.8rem}nav a{font-weight:700;color:#2c3e50}nav a.router-link-exact-active{color:#42b983}