.app-tips{padding:10px 16px;background:rgba(0,0,0,.8);border-radius:3px;font-size:15px;color:#fff;text-align:center;line-height:22px;position:fixed;top:50%;left:50%;vertical-align:middle;-webkit-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);transform:translate(-50%,-50%);white-space:nowrap;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center}.app-tips i{background:url(//dlweb.sogoucdn.com/vrfly/opentest/wap/vr-596/ued/images/app_loading_df0479d.png) 0 0 no-repeat;display:inline-block;margin-right:6px;width:18px;height:18px;background-size:auto 18px;-webkit-animation:loadingApp .6s linear infinite;animation:loadingApp .6s linear infinite}@-webkit-keyframes loadingApp{from{-webkit-transform:rotate(0);transform:rotate(0)}to{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}@keyframes loadingApp{from{-webkit-transform:rotate(0);transform:rotate(0)}to{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}