@media screen and (max-width: 768px) {
  html {
    font-size: 100px;
  }

  .xiala {
    display: none;
  }

  /* 页脚 */
  .footer {
    height: auto;
  }
  
  .footer-zt span {
    display: block;
    width: 100%;
    text-align: center;
    line-height: 0.3rem;
    color: #fff;
  }

  .underlines {
    text-align: center;
  }

  .underlines span {
    display: inline;
    width: auto;
    text-align: left;
    line-height: 0.2rem;
    margin-bottom: 0.1rem;
  }

  .footer-zt:nth-child(3) {
    margin-top: 0;
  }

  .footer-right {
    display: block;
    text-align: center;
    margin-top: 0.1rem;
  }

  .footer-right span:first-child {
    margin: 0 !important;
    float: none !important;
    height: 0.5rem;
    display: inline-block !important;
  }

  .footer-right a {
    height: 0.5rem;
    display: inline-block;
  }

  .footer-right a:nth-child(2) {
    margin: 0 10px;
  }

  .footer-right img {
    margin: 0 !important;
    height: 0.5rem;
  }
}