*{padding:0;margin:0;-webkit-user-select:none;-moz-user-select:none;user-select:none;box-sizing:border-box;font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,微软雅黑,Arial,sans-serif}body,html{overflow:auto;overscroll-behavior:none}#app{width:100%;height:calc(100% - env(safe-area-inset-bottom));position:fixed;top:0;left:0}#app .bottom{width:100%;height:env(safe-area-inset-bottom);background-color:#111}