@media (max-width: 750px){
  #footer .wechat {width: auto;min-width: 100px;margin: 0 auto;float: none;}
  #footer .wechat .img{margin:25px auto;}
  #footer .left {width: 100%;float: none;}
  #footer .left .boxs{width: 17%;}
  #footer .left .boxs .two{display: none;}
  #footer .left .boxs:last-child{padding-bottom: 20px;margin-top: 20px;padding-top: 20px;border-top: 1px solid #fff;display: block;text-align: center;}
  #footer .left .boxs:last-child .one{display: none;}
  #footer .left .boxs .one{font-size: 16px;text-align: center;}
  #footer .left .two .c1{font-size: 12px;text-overflow: ellipsis; overflow: hidden; white-space: nowrap;}

  #copyright{padding: 5% 10%;}
}
@media (max-width: 490px){
  #footer .left .boxs{display: none;}
  #footer .left .boxs:nth-child(4){display: block;text-align: center;width: 100%;}
  #footer .left .boxs:nth-child(4) .one{margin-bottom: 0;}
}