.cooperation-box {
    margin: 30px auto 0px;
    width: 800px;
    text-align: center;
  }
  .cooperation-box .cooperation-title {
    font-size: 20px;
  }
  .cooperation-box .cooperation-desc {
    font-size: 16px;
    color: #666;
  }
  .layui-form {
    width: 50%;
    width: 800px;
    margin: 30px auto;
  }

  .cooperation-form .layui-form-label i {
    color: red;
  }

  @media only screen and (max-width: 1024px) {
    .cooperation-box{
        width: 90%;
        text-align: center;
        margin: 20px auto 60px;
    }

      .cooperation-box .cooperation-desc{
        font-size: 13px;
    }

      .cooperation-box .cooperation-title{
        font-size: 16px;
    }

    .layui-form{
        width: 90%;
        margin: 0px auto;
    }

  }