@media screen and (max-width: 1000px) {
  .probootstrap-half .image {
    width: 100%;
    height: auto;
    /* margin: 20px 0 ; */
  }

  .probootstrap-half .text {
    width: 100%;
    /* padding: 30px 15px; */
    float: left
  }
}
.image-bg{
  margin-left: 20px;
}
.cooperationIcon{
  margin-bottom: 40px;
}
.download img{
  width: 30px;
  height: 30px;
}
.download{
  font-weight: 600;
  margin-right: 50px;
}
.download:hover{
  color: #337ab7;
}
.section h4,.contact{
  font-size: 32px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  line-height: 45px;
  text-align: center;
}
.section p,.contact_en{
  font-size: 21px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  line-height: 29px;
  text-align: center;
  margin-top: 10px;
}
.contact_en{
  text-align: left;
}
.item3 p{
  font-size: 20px;
  font-weight: 400;
  color: #000000;
  line-height: 45px;
}
.contact_box{
  padding: 100px 15px 100px 20px!important;
}

@media screen and (max-width: 1000px) {
  .contact_container {
    display: flex;
  }
  .contact_container .text{
    width: 50%;
  }
  
  .contact_box{
    padding: 50px 40px!important;
  }
}

@media screen and (max-width: 500px) {
  .contact_container {
    display: flex;
  }
  .contact_container .text{
    width: 100%;
  }
  .download_list{
    display: flex;
    flex-direction: column;
  }
}