@media (max-width: 1200px) {
  .header span{
    margin: 72px 0 0 28px;
  }
  .RouteIntroduction .box img{
    min-width: 47% !important;
  }
}

@media (max-width: 1000px) {
  .contactUs .box{
    width: 100%;
    min-width: 430px;
    margin-left: 30px;
  }
  .RouteIntroduction .box img{
    min-width: 45% !important;
  }
}
@media (max-width: 977px) {
  .header .nav{
    margin-top: 20px;
    margin-left: 10%;
  }
}
@media (max-width: 750px) {
  .contactUs .box{
    width: 100%;             
    min-width: 430px;
    margin-left: 0px;
  }
  .RouteIntroduction .box img{
    width: 100% !important;
  }
}
@media (max-width: 1030px) {
  .service_circuit .option_tab{
    width: 90%;
    height: 44px;
  }
  .service_circuit .option_tab .option_tab_item{
    height: 40px;
  }
  .service_circuit .option_contant .option_contant_box{
    flex-direction: column !important;
  }
  .service_circuit .option_contant .option_contant_box .option_contant_nav{
    width: 90%;
  }
  .service_circuit .option_contant .option_img{
    width: 100%
  }
  .system .system_bottom .system_item_left{
    width: 50%;
    min-width: unset;   
  }
  .system .system_bottom .system_item_right{
    width: 50%;
    min-width: unset;
  }
  .network {
    padding: 50px 5px;
  }
  .network .network_box{
    width: 100%;
    min-width: unset;
  }
}/* 新 */
@media (max-width: 800px) {
  .top_contant .top{
    height: 520px;
  }
  .RouteIntroduction .top_contant .top{
    height: 220px;
    padding: 0 5px;
    text-align: center;
    justify-content: center;
  }
  .RouteIntroduction_ru .top_contant .top{
    height: 300px;
  }
  .RouteIntroduction_kz .top_contant .top{
    height: 300px;
  }
  .RouteIntroduction .top_contant .top .text{
    align-items: center;
  }
  .RouteIntroduction .top_contant .top .text .text_title1{
    font-size: 40px !important;
  }
  .RouteIntroduction .top_contant .top .text .text_title2{
    font-size: 30px !important;
  }
  .RouteIntroduction .top_contant .top .text .text_title3{
    font-size: 16px !important;
  }
  .RouteIntroduction .tab_card{
    height: 40px;
    margin-top: -20px;
  }
  .RouteIntroduction .tab_contant{
    padding: 0 2%;
    padding-bottom: 31% !important;
  }
  .RouteIntroduction .tab_contant .content{         
    flex-direction: column;
    padding: 20px;
  }
  .RouteIntroduction .tab_contant .content .contant_img{
    width: 100% !important;
  }
  .RouteIntroduction .tab_contant .content .text{
    width: 100% !important;
    margin: 0 10px;
    margin-top: 20px;
  }
  .RouteIntroduction .tab_contant .content .text .fz_title{
    font-size: 16px !important;
  }
  .RouteIntroduction .tab_contant .content .text .fz_text{
    font-size: 13px !important;
  }
  .contactUs .address .address_box{
      width: 100%;
      padding: 10px 20px;
  }

  .aboutUs .top_contant .top{
    height: 220px;
  }
  .aboutUs  .introduce,.advantage,.qualifications,.activity,.network{
    padding: 0 10px;
  }
  .aboutUs  .activity .activity_text .activity_text_item img{
    width: calc(50% - 10px);
  }
}/* 新 */




@media (max-width: 675px) {
  .backdrop .header .nav{
    display: none;
  }
  .backdrop .header .tab{
    display: flex;
  }
  .navigation{
    transform: scale(0.6);
    right: -8px;
  }
}/* 新 */
@media (max-width: 668px) {
  .search_contant .search_contant_box{
    width: 100%;
    min-width: auto;
}
}/* 新 */
@media (max-width: 650px) {
  .contactUs .box{
    width: 100%;
    min-width: 430px;
    margin-left: -10px;
  }
  .headpiece .tab{
    display: inline-block;
  }
  .headpiece .nav{
    display: none;
  }
}
@media (max-width: 450px) {
  .header .nav{
    margin-top: 10px;
   
  }
}
@media (max-width: 550px) {
  .contactUs .box{
    width: 100%;
    min-width: 430px;
    margin-left: -20px;
  }
}





@media (max-width: 3000px) {
  .customization .customization_img{
    display: none;
  }
  .customization .max3000{
    display: block;
  }
}
@media (max-width: 1600px) {
  .customization .customization_img{
    display: none;
  }
  .customization .max1600{
    display: block;
  }
}
@media (max-width: 1280px) {
  .headpiece{
    padding-top: 10px !important;
    padding-bottom: 10px !important;
  }
  .box_pad{
    padding: 0 5%;
  }
}

@media (max-width: 1120px) {
  .customization .customization_img{
    display: none;
  }
  .customization .max1120{
    display: block;
  }
}

@media (max-width: 920px) {
  .home_page{
    flex-direction: column;
    align-items: center;
    padding: 5%;
    gap: 20px;
    padding-bottom: 0;
  }
  .home_page .left{
    width: 100%;
    padding: 0;
    margin: 0;
  }
  .home_page .left p{
    padding-right: 0;
    margin-right: 0;
  }
  .home_page .right{
    width: 100%;
    padding: 0;
    margin: 0;
  }
  .home_page .right .search_contant_box{
    margin: 0;
  }
  .home_page .box_img{
    position: unset ;
    transform: none ;
    /* min-width: 300px; */
    width: 60%;
  }
}

@media (max-width: 840px) {
  .aboutUs .coreValues .coreValues_box .coreValues_box_item{
    width: 49%;
  }
  .max840True{
    display: block;
  }
  .max840false{
    display: none;
  }
}
@media (max-width: 780px) {
  .customization .customization_img{
    display: none;
  }
  .customization .max780{
    display: block;
  }
  .home_page .left h1{
    font-size: 28px;
  }
  .footer{
    height: 140px;
  }
  .footer .footer_text{
    height: 110px;
  }
}