.home-nav-appdownload-btn {
    position: relative
  }
  .qrBox{
    text-align: center;
    transition: 0.2s;
    visibility: hidden;
    opacity: 0;
    padding: 34px 0 32px;
    position: absolute;
    width: 228px;
    border: 2px solid #ededed;
    right: 0;
    top: 40px;
    background: #ffffff;
    z-index: 10;
  }
  .qrBox:before, .qrBox:after{
    width:0px;
    height:0px;
    border: transparent solid;
    position: absolute;
    left: 164px;
    bottom: 100%;
    content:""
  }
  .qrBox:before{
    border-width:10px;
    border-bottom-color: #ededed;
    top:-20px;
  }
  .qrBox:after{
    border-width:8px;
    border-bottom-color: #fff;
    left: 166px;
    top: -16px;
  }
  .qrBox .qrCodeImg{
    width: 130px;
  }
  .qrIcon{
    margin-right: 10px;
  }
  .tip1{
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin: 14px 0 14px;
  }
  .home-nav-appdownload-btn:hover .qrBox {
    visibility: visible;
    opacity: 1
  }
  .mainnav .hot, .mainnav .newflag{
    position: relative;
    overflow: inherit;
  }
  .mainnav .hot:after, .mainnav .newflag:after {
    content: "HOT";
    position: absolute;
    top: -6px;
    right: -30px;
    z-index: 999;
    padding: 0 .75em;
    border-radius: 8px 8px 8px 0;
    font-size: 11px;
    line-height: 16px;
    background: #ff4b36;
    transition: .25s
  }
  .mainnav .newflag:after {
    content: "NEW";
    border-radius: 8px 8px 8px 8px;
  }
  .mainnav .hot:hover:after, .mainnav .newflag:hover:after {
    transform: translate(0, -25%);
  }
  .ending2022-dialog {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    overflow: auto;
    z-index: 900;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-flow: row nowrap;
    align-items: flex-start;
    justify-content: center;
    opacity: 1;
    will-change: opacity;
    transition: opacity 500ms ease-in-out;
  }
  .e-2022-d {
    width: 500px;
    height: 700px;
    margin: 100px;
    background: linear-gradient(-26deg,#c4f6d3,#fefff9 51%,#fffdda);
    border-radius: 16px;
    position: relative;
    flex: 0 0 500px;
  }
  .e-2022-d-close {
    width: 30px;
    height: 30px;
    background: no-repeat center center / contain;
    right: -46px;
    top: 0;
    position: absolute;
    cursor: pointer;
    background-image: url("https://cms-bucket.ws.126.net/2018/12/25/144b8a5e222c4e91b0ef62f663258a68.png");
  }
  .e-2022-bg-img {
    width: 100%;
    height: 100%;
    background: no-repeat center 40px / 70%;
    background-image: url("https://open-image.ws.126.net/openh5freegb/static/img/start-page-keep.9a60bac2.png");
  }
  .e-2022-qrcode {
    width: 140px;
    background: no-repeat center top / contain;
    height: 140px;
    position: absolute;
    bottom: 50px;
    left: 50%;
    border-radius: 5px;
    box-shadow: 0 0 5px rgb(0 0 0 / 20%);
    margin-left: -136px;
    background-image: url("https://open-image.ws.126.net/ec9e9842420141a7bfbcf89717fdf691.png");
  }
  .e-2022-qrcode::before {
    content: "手机扫描二维码";
    top: 82px;
  }
  .e-2022-qrcode::after {
    content: "生成我的学习报告";
    top: 106px;
  }
  .e-2022-qrcode::before,
  .e-2022-qrcode::after {
    display: block;
    position: absolute;
    width: 200px;
    font-size: 16px;
    font-weight: bold;
    color: #222;
    line-height: 24px;
    white-space: pre-line;
    text-align: left;
    left: 160px;
  }
  .e-2022-d-hide {
    opacity: 0;
    pointer-events: none;
  }