@media screen and (max-width: 1200px) {
  .page-header {
    width: 93.6%;
  }
  .page-header .return {
    width: 10.82%;
    margin: 0 0 0 1.56%;
  }
  .detail {
    width: 93.6%;
    margin: 8% auto 18.66%;
  }
  .detail .detail-title {
    margin: 0 auto 5.7%;
  }
  .detail .detail-content .img-box {
    width: 40%;
    margin: 4.22% auto;
  }
  .switch-box {
    width: 93.6%;
  }
  .switch-box .right-switch {
    width: 10.82%;
  }
  .banner .banner-content {
    width: 72.4%;
    padding: 16.3% 0 0;
    top: 27.68%;
    left: 13.8%;
    background-color: transparent;
  }
  .banner .banner-content .content-tit {
    color: #143D8E;
    margin-bottom: 5.06%;
  }
  .banner .banner-content .content-mintit {
    color: #000;
  }
}