@media screen and (max-width: 1200px) {
  .banner .mob-content-tit {
    font-size: 2.874rem;
  }
  .banner .banner-content .mob-content-tit {
    display: block;
    text-align: center;
    color: #143D8E;
  }
  .banner .banner-content .content-tit {
    display: none;
  }
  .contact-box .contact {
    width: 93.6%;
    flex-wrap: wrap;
  }
  .contact-box .contact .contact-item {
    width: 100%;
  }
  .contact-box .contact .contact-item:not(:last-child) {
    margin-bottom: 8.55%;
  }
  .contact-box .contact .contact-item .con-inf {
    padding: 8.55% 10.82%;
  }
  .contact-box .contact .contact-item .con-inf .tel {
    padding-left: 24.36%;
    background-size: 8%;
  }
  .contact-box .contact .contact-item .con-inf .e-mail {
    padding-left: 24.36%;
    background-size: 8%;
  }
  .contact-box .contact .contact-item .con-inf .add {
    padding-left: 24.36%;
    background-size: 8%;
  }
  .form-box form {
    width: 93.6%;
  }
  .form-box form > div:not(:last-of-type) {
    margin-bottom: 1.42%;
  }
  .form-box form > div:last-of-type {
    margin-bottom: 4.27%;
  }
  .form-box form .input-box {
    width: 100% !important;
    padding: 3.7% 5.7%;
  }
  .form-box form input[type=submit] {
    width: 100%;
    padding: 1.5% 0;
  }
}