@media (max-width: 1680px) {
  .tiandiand5700 .section .wrapper {
    width: 68%;
  }
  .tiandiand5700 .section h1 {
    font-size: 28px;
  }
  .tiandiand5700 .section p {
    font-size: 18px;
    line-height: 28px;
  }
  .tiandiand5700 .section .wrapper {
    min-width: unset;
  }
  .tiandiand5700 .section1 {
    height: 500px;
  }
  .tiandiand5700 .section1 .sec_left .txt1 {
    font-size: 40px;
    margin-top: 160px;
  }
  .tiandiand5700 .section1 .sec_left .txt2 {
    width: 425px;
    height: 60px;
    line-height: 60px;
    font-size: 26px;
  }
  .tiandiand5700 .section1 .sec_right img {
    width: 350px;
  }
  .tiandiand5700 .section2 {
    padding-bottom: 50px;
  }
  .tiandiand5700 .section2 .wrapper img {
    width: 700px;
  }
  .tiandiand5700 .section3 .wrapper img {
    width: 745px;
    margin-bottom: 10px;
  }
  .tiandiand5700 .section4 {
    height: 526px;
  }
  .tiandiand5700 .section4 .wrapper img {
    width: 590px;
    margin-top: 60px;
  }
  .tiandiand5700 .section5 .wrapper img {
    width: 540px;
    margin: 40px auto 50px;
  }
  .tiandiand5700 .section6 .wrapper img {
    width: 840px;
  }
  .tiandiand5700 .section7 .wrapper img {
    width: 790px;
    margin-bottom: 80px;
  }
}