@media (max-width: 768px) {
  .container {
    width: 100%;
  }

  .main {
    padding: 0;
  }

  .main .container .main-left {
    width: 100%;
    border-radius: 0px;
    box-shadow: none;
  }

  .main .container .main-right {
    display: none;
  }

  .main .container .main-left .header {
    padding-bottom: 10px;
  }

  .main .container .main-left .header h1 {
    font-size: 18px;
  }

  footer {
    width: 100%;
    padding: 15px 10px;
  }
  
  .topNav .container .title {
    flex-direction: column;
  }
  .topNav .container .title .right {
    display: flex;
    justify-content: flex-end;
    margin-right: 20px;
    margin-top: 10px;
  }
  .topNav .container .title .right .head {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 5px solid #f9d8c8;
  }
  .topNav .container .title .right .wen {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 20px;
    height: 20px;
  }
  .topNav .container .title .left h1,
  .topNav .container .title .left p {
    padding: 0 20px;
  }
  .topNav .container .gengduo {
    justify-content: space-around;
  }
  .topNav .container .gengduo .gi {
    flex-direction: column;
    padding: 10px;
    width: 80px;
  }
  .topNav .container .gengduo .gi img {
    width: 30px;
    height: 30px;
  }
  .topNav .container .gengduo .gi .fenlei {
    font-weight: 600;
    margin-left: 0;
    font-size: 14px;
  }
  .topNav .container .gengduo .gi .zhi {
    margin-left: 0px;
    font-size: 14px;
  }
}