@media screen and (min-width: 1612px) {
 
}
@media screen and (min-width: 1412px) and (max-width: 1611px) {
 
}
@media screen and (min-width: 1201px) and (max-width: 1411px) {
  .menu_dl dd {
    margin: 0 10px !important;
  }
}
/* 1025-----------1200    中等屏幕*/
@media screen and (min-width: 1025px) and (max-width: 1200px) {
  .header {
    background-color: #fff;
    padding: 10px 0;
  }
  .m19_banner .con {
    width: 100%;
  }
  .w_1200 {
    width: 100%;
    padding: 0 20px;
  }
}

/* 768------------1024    ipad*/
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .header{
    padding: 10px 0;
    background-color: #fff;
  }
  .header_box{
    padding-top: 0;
    height: auto;
    padding: 15px 0;
  }
  .header_tel,
  .header_t {
    display: none;
  }
  .mobile_header {
    display: block;
  }
  /* footer */
  .footer_t_r_item {
    width: calc((100%) / 3);
    margin-bottom: 30px;
  }
  .wrap_bw {
    justify-content: flex-start;
    -ms-justify-content: flex-start;
    -webkit-justify-content: flex-start;
  }
  .footer_t_contact {
    width: 100%;
    margin-top: 30px;
  }
  .footer_b .wrapper{
    justify-content: center;
    -ms-justify-content: center;
    -webkit-justify-content: center;
  }
  .m19_eight_l,
  .m19_eight_r,
  .m19_six_r,
  .m19_six_l,
  .m19_five_r,
  .m19_five_l,
  .m19_two_r,
  .m19_two_l,
  .m19_one_r .bottom .pic,
  .m19_one_r .bottom .con,
  .m19_one_r,
  .m19_one_l,
  .m19_banner_item .con{
    width: 100%;
  }
  .m19_eight_l,
  .m19_six_l,
  .m19_five_l,
  .m19_one_l{
    margin-bottom: 20px;
  }
  .m19_banner_item{
    position: relative;
    padding: 40px 0;
  }
  .m19_banner_swiper{
    height: auto;
  }
  .m19_four_item,
  .m19_three_item,
  .pro_list_dl dd{
    width: calc((100% - 15px) / 2);
    margin: 0 15px 15px 0 !important;
  }
  .m19_four_item:nth-child(2n),
  .m19_three_item:nth-child(2n),
  .pro_list_dl dd:nth-child(2n){
    margin-right: 0 !important;
  }
  .bgscroll{
    background-attachment: scroll;
  }
}

/* 1--------------767      手机*/
@media screen and (min-width: 1px) and (max-width: 767px) {
  .header_box{
    padding-top: 0;
    height: auto;
    padding: 15px 0;
  }
  .m19_banner_item .bottom,
  .header_right,
  .popup_inquiry_form_l,
  .header_tel,
  .header_t {
    display: none;
  }
  .mobile_header {
    display: block;
  }
   








  .footer_t_r_item {
    width: calc((100%) / 3);
    margin-bottom: 30px;
  }
  .wrap_bw {
    justify-content: flex-start;
    -ms-justify-content: flex-start;
    -webkit-justify-content: flex-start;
  }
  .footer_t_contact {
    width: 100%;
    margin-top: 30px;
  }
  .footer_b .wrapper{
    justify-content: center;
    -ms-justify-content: center;
    -webkit-justify-content: center;
  }
  .m19_eight_r .item,
  .popup_inquiry_form_r,
  .m19_eight_l,
  .m19_eight_r,
  .m19_six_r,
  .m19_six_l,
  .m19_five_r,
  .m19_five_l,
  .m19_two_r,
  .m19_two_l,
  .m19_one_r .bottom .pic,
  .m19_one_r .bottom .con,
  .m19_one_r,
  .m19_one_l,
  .m19_banner_item .con{
    width: 100%;
  }
  .m19_eight_l,
  .m19_six_l,
  .m19_five_l,
  .m19_one_l{
    margin-bottom: 20px;
  }
  .m19_banner_item{
    position: relative;
    padding: 40px 0;
  }
  .m19_banner_swiper{
    height: auto;
  }
  .m19_two_btn .public_btn,
  .m19_four_item,
  .m19_three_item,
  .pro_list_dl dd{
    width: 100%;
    margin: 0 0px 15px 0 !important;
  }
  .bgscroll{
    background-attachment: scroll;
  }
  .footer_b .text{
    margin-top: 10px;
  }
}