@media only screen and (max-width:1700px){
    .xfk{
        top: 15%;
        left: -240px;
        line-height: 49px;
        z-index: 999;
        transition: all ease 1s;
    }
    .jts{
        display: block;
        position: fixed;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        transition: all ease 1s
    }
    .xfk.on{
        left: 10px;
    }
    .jts.on{
        transform: rotateY(180deg);
        left: 250px;
    }
}

@media only screen and (max-width:1199px){
    .header{
        position: fixed;
        top: 0;
        left: 0;
    }
    .header .nav .y_j{
        padding: 0;
    }
    .header-h2{
        height: 90px;
    }
    .ny_nr .xw_xq .xq_nr img{
        height:auto !important;
     }
}

@media only screen and (max-width:1024px){
    .header{
        background-color: #000;
    }
    .header .an span{
        background-color: #fff;
    }
    .header .logo{
        width: 78px;
    }
    .header-h{
        height: 90px;
    }
    .wh-item{
        width: 130px;
        height: 170px;
    }
    .newsin_lb{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .newsin-item{
        width: 48%;
    }
    .newsin-item .t_p{
        width: 100%;
        height: auto;
    }
    .newsin-item .w_z{
        width: 100%;
        height: auto;
    }
}

@media only screen and (max-width:768px){

    .yewu{
        padding: 40px 0;
    }
    .title1{
        font-size: 28px;
    }
    .title2{
        font-size: 22px;
    }
    .about{
        background:#000 !important;
    }
    .about .w_z .more{
        margin-top: 0;
    }
    .about{
        padding: 40px 0;
    }
    .about .w_z{
        width: 100%;
    }
    .w_h{
        width: 100%;
        margin-top: 40px;
        padding: 30px;
    }
    .about .w_z .info{
        font-size: 14px;
    }
    .wh-item{
        width: 130px;
        height: 165px;
    }
    .news{
        padding: 40px 0;
    }
    .news-item{
        margin-bottom: 20px;
    }
    .news .n_r{
        margin-top: 30px;
    }
    .case{
        padding: 40px 0;
    }
    .case-item .w_z{
        font-size: 16px;
    }
    .lxwm .t_p{
        display: none;
    }
    .gsdz{
        width: 100%;
    }
    .lxwm{
        padding: 40px 0;
    }
    .inbanner{
        height: 200px;
    }
    .intitle{
        margin-top: 30px;
    }
    .innav a{
        font-size: 14px;
        width: 140px;
        height: 40px;
        line-height: 40px;
        margin-right: 10px;
    }
    .intitle1{
        font-size: 28px;
    }
    .intitle2{
        font-size: 22px;
    }
    .newsin{
        padding: 40px 0;
    }
    .whin-item .wh1{
        font-size: 20px;
    }
    .inbt1{
        font-size: 28px;
    }
    .inin{
        width: 100%;
        padding: 0 20px;
    }
    .solin-item{
        height: 400px;
       display: flex;
       align-items: center;
       padding: 60px 0;
    }
    .solin-item .bt{
        font-size: 22px;
    }
    .newsin-item{
        width: 100%;
    }
    .solin-item.on{
        height: auto;
        min-height: 400px;
    }
    .solin-item.on .inin{
        position: static;
        transform: none;
    }
}

@media only screen and (max-width:576px){
 
    .w-accor5 li h3{
        left: 15%;
    }

    .news-nav{
        justify-content: space-between;
    }
    .news-nav div{
        margin-right: 0;
        margin-bottom: 15px;
    }
    .pc-sw{
        display: none;
    }
    .m-sw1{
        display: block;
        padding-top: 10px;
    }
    .m-sw2{
        display: block;
        padding-top: 10px;
    }
    .yewu .n_r{
        margin-top: 35px;
    }
    .yw-item{
        padding: 10px 0;
    }
    .xfk{
        line-height: 40px;
    }
}