@media only screen and (max-width: 768px){
  /*关于我们*/
  #w_grid-1628470071959{
    width:100%;
    margin:30px auto 0;
  }
  #w_grid-1631586846089{
    margin-bottom:30px;
  }
  /*科豪业务*/
  #w_grid-1631588321528{
    margin-top:30px;
  }
  #w_grid-1631589901848{
    margin:10px auto 20px;
  }
  /*新闻资讯*/
  #w_grid-1624960421736{
    margin-top:30px;
  }
  #w_grid-1624976987167{
    width:100%;
    margin:20px auto 30px;
  }
  #w_grid-1631597248179{
    margin-top:20px;
  }
}
@media only screen and (max-width: 1440px) and (min-width: 769px){
}