@media screen and (max-width: 1500px) {
    .center{
        width: 1200px;
    }
    .nav .input input{
        width: 5.4rem;
    }
    .w307{
        width: 2.5rem;
    }
    .w655{
        width: 5rem;
    }
    .pro_info_right .ttt a{
        width: 23.6%;
    }
    .index_productslist_bg{
        width: 31.66%;
    }
    .hover_p .text{
        margin: 0.2rem 0 0.2rem;
    }
    .categories{
        width: 2.5rem;
    }
    .pro_info_left{
        margin-right: 0.3rem;
    }
   
    .pro_info_right{
        width: 77%;
    }
    .picScroll-left .bd ul li{
        width: 295px!important;
    }
    .fd{
        width: 455px;
    }

    
  
    

}
@media screen and (max-width: 1300px) {
  .pro_info_right .ttt a{
  width:23%;
  }
    .center{
        width: 1160px;
    }
    .hover_p .text{
        margin: 0.1rem 0 0.1rem;
    }
    .picScroll-left .bd ul li{
        width: 285px!important;
    }
}

@media screen and (max-width: 1200px) {
      .detailed .title{
        height: 0.77rem;
    line-height: 0.77rem;
    background: #1d2089;
    padding: 0 0.16rem;
    color: #ffffff;
    font-size: 0.28rem;
    font-weight: normal;
    }
    
  .top26{
  display:block!important;
    height:1.95rem;
  }
  .mb_nav{
  position: fixed;
    top:1.3rem;
    z-index:66;
  }
  .header{
  position: fixed;
    top:0;
    background:#ffffff;
    z-index:66;
  }
    .center{
        width: 100%;
        padding: 0 0.16rem;
    }
    .top_box{
        display: none;
    }
    .header a img{
        width: 2.76rem;
        height: 0.83rem;
    }
    .header .header_right{
        display: none;
    }
    .nav_bg{
        display: none;
    }
    .mb_nav{
        display: flex;
        align-items: center;
    }
    .pc_bg{
        display: none;
    }
    .mb_bg{
        display: block;
    }
    .daohang{
        display: none;
    }
    .contant_title{
        margin-top: 0.55rem;
    }
    .news a{
        width: 100%;
        flex-direction: row;
    }
    .news_text{
        width: 100%;
    }
    .mb_news_bg{
        background: #f5f5f5;
        padding: 0.23rem 0.32rem 0.26rem 0;
        display: flex;
    align-items: center;
    }
    .news{
        display: none;
    }
    .mb_news{
        display: block;
    }
    .more{
        margin-top: 0.32rem;
        font-size: 0.26rem;
        width: 2.56rem;
        height: 0.67rem;
        line-height: 0.67rem;
    }
    .dibu_bg{
        display: none;
    }
    .buttom_bg{
        display: none;
    }
    .mb_dibu{
        display: block;
    }
    .news_info .title{
        margin-top: 0.5rem;
    }
    .news_info .date{
        text-align: center;
        font-size: 0.25rem;
    }
    .news1{
        flex-direction: column;
    }
    .news_text1 p{
        width: 100%;
    }
    .news1{
        align-items: center;
    }
    .news1 img{
        margin-top: 0.3rem;
    }
    .pc_contant{
        display: none;
    }
    .mb_contant{
        display: block;
    }
    .pc{
        display: none;
    }
    .mb{
        display: block;
    }
    .download_left .white{
        display: none;
    }
    .download_text p:first-child{
        font-size: 0.28rem;
    }
    .download_text p:last-child{
        font-size: 0.2rem;
    }
    .download_button{
        font-size: 0.26rem;
    }
    .download_button img{
        width: 0.17rem;
        height: 0.17rem;
    }
    .thermostats{
        flex-direction: column;
        margin-top: 0.59rem;
    }
    .thermostats .left .title{
        font-size: 0.34rem;
    }
    .thermostats .left .title1{
        width: 100%;
        font-size: 0.24rem;
        line-height: 0.35rem;
        height: 1.4rem;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .pro_download{
        margin-top: 0.17rem;
        font-size: 0.26rem;
        height: 0.66rem;
    }
    .pro_download .pro_menu{
width: 0.21rem;
height: 0.1rem;
margin: 0 0.24rem 0 0.21rem;
    }
    .pro_download .pro_download_img{
        width: 0.17rem;
        height: 0.17rem;
        margin-left: 0.19rem;
    }
    .mail_top{
        font-size: 0.28rem;
    }
    .mail_top img{
        margin: 0 0.17rem 0 0.16rem;
        width: 0.26rem;
        height: 0.28rem;
    }
    .mail_buttom{
        padding: 0.49rem 0.16rem 0 0.16rem;
    }
    .mail .mail_buttom input,.mail .mail_buttom textarea{
        font-size: 0.22rem;
    }
    .mail .mail_buttom button{
        width: 4.04rem;
        height: 0.59rem;
        display: block;
        margin: 0.52rem auto 0.49rem auto;
        font-size: 0.22rem;
    }
    .pro_info{
        display: none;
    }
    .top20{
        margin-top: 0.8rem;
    }
    .index_about_text_right{
        display: none;
    }

    .index_about_text_left{
        margin-bottom: 1rem;
    }
    .index_productslist_bg{
        width: 100%;
        flex-direction: column;
    }
    .index_productslist_bg .hover_none{
        display: none;
    }
    .index_productslist_bg img{
        width: 100%;
    }
    .hover_p{
        position: initial;
        background: #ffffff;
        height: auto;
        padding: 0 0.1rem;
    }
    .hover_p .title1{
        font-size: 0.24rem;
        color: #333333;
        border-bottom: none;
        text-align: left;
    }
    .hover_p .text{
        font-size: 0.22rem;
        color: #888888;
        text-align: left;
        line-height: 0.35rem;
    }
    .hover_p .a{
        position: initial;
        background: #ffffff;
        text-align: left;
    }
    .hover_p .a a{
        font-size: 0.2rem;
        color: #888888;
    }
    .data-menu-toggle {
        display: block;
    }
    .mb_elated{
        display: block;
    }
    .icon_dropdown{
        padding: 0.6rem 0.16rem 0.43rem;
    }
    .icon_dropdown_left{
        width: 100%;
    }
    .icon_dropdown_left p:nth-child(2){
        width: 100%;
    }
    .icon_dropdown_left p:first-child{
        font-size: 0.26rem;
        font-weight: bold;
    }
    .icon_dropdown_left p:nth-child(2){
        font-size: 0.22rem;
        color: #888888;
        line-height: 0.35rem;
    }
    .learn{
        background: transparent;
        width: 2.24rem;
        height: 0.56rem;
        font-size: 0.22rem;
        border: 1px solid #333333;
        color: #333333;
        margin: 0.25rem auto 0 auto;
    }
}