@media screen and (max-width: 1680px) {
  .peculiarity ul li  p,.performance ul li p,.performance ul li dd,.proservice ul li{
    font-size: 12px;
    line-height: 20px;
  }
  .performance ul li a{
    font-size: 13px;
  }
  .case .ywk-popup-content{
    width: 70%;
    left: 15%;
  }
}
@media screen and (max-width: 1260px) {
  .serS2 li{
    padding: 40px 20px 40px 20px;
    margin-top: 50px;
  }
  .ywk-header-nav li{
    padding: 30px 7px;
  }
  .ywk-header .ywk-content nav{
    padding-right: 80px;
  }
  .ywk-header-right-language{
    margin-left: 5px;
  }
}
@media screen and (max-width: 640px){
  .footer-l .ftxt{
    display: none;
  }
  .ywk-footer{
    padding-top: 50px;
  }
  .videoPop .con{
    width: 98%;
  }
  .ywk-pageturn{
    margin-bottom: 45px;
  }
  .innav a{
    font-size: 15px;
    width: 140px;
    margin: 0 5px;
    height: 35px;
    line-height: 35px;
  }
  .innav{
    padding: 55px 0;
  }
  .tecSec1 .trans .item{
    float: none;
    width: 100%;
    padding: 30px 15px 20px 15px;
  }
  .tecSec1 .txtBox{
    max-width: 100%;
    position: relative;
    bottom: auto;
    padding-top: 60px;
    margin-bottom: 50px;
  }
  .tecSec1 .trans{
    position: relative;
    bottom: auto;
  }
  .tecSec1{
    height: auto;
    padding-bottom: 50px;
  }
  .tecSec1 .txtBox .txt{
    font-size: 13px;
    line-height: 20px;
  }
  .ywk-solutions-roomcooling::after{
    display: none;
  }
  .ywk-solutions-roomcooling{
    padding-bottom: 0px;
  }
  .stitle h2{
    font-size: 30px;
    line-height: 30px;
  }
  .stitle{
    margin-bottom: 30px;
  }
  .serS1 .l{
    float: none;
    width: 100%;
  }
  .serS1{
    padding: 30px 0 40px 0;
  }
  .serS1 .r{
    float: none;
    width: 100%;
    padding-top: 0;
  }
  .ywk-about-culture{
    width: 90%;
  }
  .ywk-dthicscompliance-swiper .text-2{
    margin-bottom:50px;
  }
  .ywk-roomcooling-item-left .title-1{
    font-size: 22px;
  }
  .ywk-Site-Map-title{
    font-size: 40px;
  }
  .ywk-sitemap-nav-title{
    font-size: 22px;
  }
  .ywk-Site-Map-list{
    margin: 30px 0;
  }
  .ywk-sitemap-nav-item{
    width: 50%;
  }
  .ywk-about-product .about-product.product7 .item-li.pit4{
    width: 88% !important;
  }
  .ywk-about-product .about-product.product7 .item-li.pit4 .icon-1{
    right: auto;
  }
  .ywk-about-product .about-product.product7 .item-li.pit4 .title-2{
    margin-top: 0;
  }
  .ywk-about-product .about-product.product7 .item-li.pit5{
    margin-top: 0 !important;
  }
  .ywk-about-product .about-product.product7 .item-li.pit5 .icon-1{
    top: 0;
  }
  .ywk-about-product .about-product.product7 .item-li.pit4 .text-3{
    text-align: left;
  }
  .about-product-swiper .swiper-slide img{
    height: 250px;
  }
  .about-product-swiper{
    height: 250px;
  }
  .ywk-about-product .pic{
    margin-top: 40px;
  }
  .ywk-roomcooling-item{
    margin-top: 30px !important;
  }
  .ywk-solutions-roomcooling{
    padding-top: 50px;
  }
  .ywk-content-data-center .textright-2 .title-1, .ywk-dthicscompliance-swiper .title-1, .ywk-solutions-roomcooling .title-1{
    font-size: 22px;
  }
  .title-center{
    font-size: 26px;
  }
  .peculiarity{
    padding: 50px 0 30px 0;
  }
  .peculiarity ul{
    padding: 0;
  }
  .peculiarity ul li{
    float: none;
    width: 100%;
    margin-left: 0;
    margin-bottom: 10px;
    height: auto;
  }
  .peculiarity ul li h2 i{
    width: 30px;
  }
  .performance{
    padding: 50px 0 0 0;
  }
  .performance ul li{
    margin-left: 0;
    float: none;
    width: 100%;
    margin-bottom: 35px;
  }
  .performance ul li h2{
    height: auto;
    margin-bottom: 5px;
  }
  .proservice{
    padding: 50px 0;
  }
  .proservice ul{
    width: 100%;
  }
  .proservice ul li h2{
    font-size: 20px;
    font-family: 'd-din-condensed-bold';
  }
  .proSec{
    padding: 50px 0 20px 0;
  }
  .proSec ul li{
    margin-left: 0;
    float: none;
    width: 100%;
  }
  .ywk-popup-windows .popCon .r{
    margin-left: 0;
  }
  .ywk-popup-windows .popCon .l{
    width: 100%;
    height: 260px;
  }
  .ywk-popup-windows .popCon .l img{
    height: 200px;
    width: auto;
  }
  .title{
    font-size: 24px;
  }
  .ywk-popup-windows .popCon .r h3{
    margin: 10px 0 5px 0;
  }
  .ywk-popup-windows .popCon .r p{
    font-size: 12px;
  }
  .ywk-popup-windows .popCon .r .image{
    width: 90px;
  }
  .serS1 .r h3{
    font-size: 22px;
  }
  .serS1 .r h2{
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 22px;
  }
  .serS1 .r h4{
    margin: 0;
    font-size: 20px;
  }
  .serS1 .r h4 span.span{
    font-size: 24px;
  }
  .serS2 li{
    margin-top: 10px;
    width: 49%;
    padding: 30px 15px;
    height: 240px;
  }
  .serS2 li h2{
    font-size: 22px;
  }
  .serS2 li:nth-child(2n+1){
    margin-left: 0;
  }
  .ywk-product-detail-main{
    position: relative;
  }
  .ywk-product-detail-main .mbshow{
    display: none !important;
  }
  .serS2{
    background-color: #000;
    padding-bottom: 50px;
  }
  .ywk-product-detail-features .ywk-content-top{
    padding-top: 50px;
  }
  .serS2 ul{
    padding-top: 15px;
  }
  .ywk-content-data-center-solution{
    margin: 40px auto 0 auto;
  }
  .serS3{
    padding: 50px 0 35px 0;
  }
  .serS3 .cen{
    padding-top: 10px;
  }
  .serS3 .l{
    display: none;
  }
  .serS3 .r{
    float: none;
    width: 100%;
  }
  .serS3 .r ul{
    padding: 0;
  }
  .serS3 .r li{
    font-size: 13px;
    line-height: 20px;
  }
  .ser6{
    padding: 50px 0 30px 0;
  }
  .ser6 ul li{
    margin-bottom: 10px;
    margin-left: 0;
    width: 100%;
    float: none;
  }
  .ser6 ul{
    padding:  0 4px 0 4px;
  }
  .ywk-about-product .title-2{
    font-size: 18px;
  }
  .ywk-about-product .about-product.product7 .item-li.pit6 a .text-3 p{
    text-align: left !important;
  }
  .ywk-about-product .about-product.product7 .item-li.pit6 a .text-3{
    width: 100%;
  }
  .ywk-page.serS2{
    height: auto;
  }
  .case .ywk-popup-content{
    width: 100%;
    left: 0;
  }
  .passenger .img img{
    margin-left: 34%;
  }
  .ywk-index-banner .text .line-3 span{
    display: none;
  }
  .installS1 .ywk-data-center-item{
    float: none;
    width: 100%;
  }
  .inspadd{
    padding-top: 0;
  }
  .performance.inS2{
    padding-top: 0;
  }
  .performance.inS2 ul li{
    margin-left: 0;
    float: none;
    width: 100%;
  }
  .ywk-dthicscompliance-nav{
    margin-top: 50px;
  }
  .ywk-dthicscompliance-swiper .title-1{
    font-size: 30px !important;
    margin-top: 20px;
  }
  .ywk-about-dthicscompliance .swiper-slide{
    height: auto !important;
  }
  .ywk-about-dthicscompliance .swiper-wrapper{
    height: auto !important;
  }
  /* .ywk-dthicscompliance-swiper .text-2{
    height: 120px;
  } */
  #video{
    display: none;
  }
  .adul{
    padding-top: 0;
  }
  .adul li{
    padding: 0 15px;
    box-sizing: border-box;
    width: 50%;
  }
  .adul li p{
    font-weight: normal;
    font-size: 14px;
    line-height: 20px;
    margin-top: 0;
  }
  .adul li img{
    width: 70px;
    height: 70px;
  }
  .misS1 .ywk-data-center-item{
    margin-left: 0;
    width: 100%;
  }
  .misS1 .img{
    height: 200px;
  }
  .performance2 .p{
    width: 100%;
  }
  .govMain .title1{
    margin-top: 30px;
  }
  .govS1 li{
    width: 50%;
  }
  .govS1 li .img{
    height: 200px;
  }
  .govS1 li p{
    margin-top: 15px;
  }
  .govS1 ul{
    padding-bottom: 30px;
  }
  .adBox{
    padding: 50px 0;
  }
  .govS2{
    padding: 40px 0;
  }
  .govS2 ul li{
    float: none;
    width: 100%;
  }
  ul{
    padding-left: 0;
  }
  .govS2 ul li .image{
    height: auto;
  }
  .govS2 ul li .image img{
    max-width: 80%;
  }
  .govMain{
    margin-bottom: 50px;
  }
  .govS11 li img{
    width: 90% !important;
  }
  .govS11 ul{
    padding-bottom: 0;
  }
  .govMain1{
    margin-bottom: 0;
  }
  .performance li p{
    height: auto;
  }
  .ceArr .cearr-prev{
    margin: 0 8px;
  }
  .ceArr .cearr-next{
    margin: 0 8px;
  }
  .ceArr{
    padding-top: 40px;
  }
}