@media (max-width:1200px){
    .box{
        width: 95%!important;
    }
    .logo1{
        display: none;
    }
    .prdd {
        width: 237px;
        height: 148px;
    }
    .pr{
        height: 160px;
        background-size: 100% 100%;
    }
    .pp1 {
        margin-left: 4%;
    }
    .pa{
        height: 240px;
    }
    .about {
        margin-top: 70px;
    }
    .ab{
        background: none;
    }
    .news{
        margin-top: 40px;
    }
    .divl img{
        width: 95%;
    }
    #news{
        right: 14%;
    }
    .new:nth-child(3){
        display: none;
    }
    .new:nth-child(1){
        margin-top: 80px;
    }
    .case {
        margin-top: 50px;
    }
    .main{
        width: 100%;
    }
    .ntex_a{
        width: 17%;
    }
    .kf{
        display: none;
    }






}

@media (max-width:900px){
    .head_r{
        display: none;
    }
    .logo{
        margin-left: 18%;
    }   
    .product {
        margin-top: 30px;
    }
    .pr{
        display: none;
    }
    .pa {
        height: 180px;
    }
    .about img{
        display: none;
    }
    .ab{
        margin: 0;
        width: 100%;
        height: 280px;
    }
    .abd_p1{
        display: none;
    }
    .abd_p3{
        display: none;
    }
    .abd_p2{
        width: 100%;
        text-align: center;
    }
    .abd{
        width: 100%;
    }
    .about {
        margin-top: 40px;
    }
    .ab a{
        float: none;
        margin: 0 auto;
        margin-top: 30px;
    }
    .youshi{
        margin-top: 0;
    }
    .divl{
        display: none;
    }
    .divr{
        width: 100%;
        margin: 0;
    }
    .new:nth-child(3){
        display: block;
    }
    #news {
        right: 24%;
        top: 16%;
    }
    .new:nth-child(1) {
        margin-top: 29px;
    }
    .case_dd{
        width: 100%;
    }
    .case_dd1{
        display: none;
    }
    .ck{
        margin-top: 30px;
    }
    .link{
        margin-top: 25px;
    }
    .form ul li:nth-child(1) {
        margin-left: 0%;
    }
    .form ul li{
        width: 12%;
    }
    .fo img {
        margin-left: 21%;
        margin-top: 48px;
    }
    .fo_d1{
        width: 90%;
    }
    .p2{
        width: 100%;
        margin: 0;
        margin-top: 10px;
    }
    .p3{
        width: 100%;
        margin: 0;
        margin-top: 20px;
    }
    .contact dl{
        width: 322px;
    }
    .cur{
        display: none;
    }
    .linkuslist li {
        width: 267px;
    }
    .topbanner{
        background-size: 100% 100%;
        height: 290px;
    }
    .topbanner .bannerdesc{
        margin-left: 84px;
        margin-top: 80px;
    }
    .ngstex{
        display: none;
    }
    #ngsjj{
        width: 100%;
    }
    #ngsjj p:first-child {
        margin-left: 19%;
    }
    .ntex_a{
        width: 22%;
        margin-left: 74%;
    }
    .nndd img{
        width: 100%!important;
    }
    .ndiv{
        width: 100%!important;
        margin: 0!important;
    }
    .foot_yd{
        display: none;
    }

}
@media (max-width:800px){
    .contact dl {
        width: 300px;
    }
    .linkuslist li {
        width: 256px;
    }
    .bottom_bottom{
        display: block;
    }
    .bottom_bottom{
        position: sticky;
        bottom: -2px;
        left: 0;
        width: 100%;
        background: #0385ea;
        z-index: 999;
    }
    .bottom_bottom nav{
       display: flex;
       justify-content: space-between;
    }
    .bottom_bottom nav a{
        padding: 12px 17px;
        color: #fff;
        text-decoration: none;
    }
}



















@media (max-width:450px){
    .head{
        display: none;
    }
    .nav{
        display: none;
    }
    .ddiv{
        display: block;
    }
    .navbar-default{
        background: #fff;
    }
    .navv li{
        margin: 10px 0;
        text-align: center;
    }
    .tt{
        width: 83%;
        margin-top: 4%;
        float: left;
    }
    .navbar-toggle{
        float: left;
        margin-left: 5%;
        margin-top: 5%;
    }
    .navbar-default{
        margin-bottom: 0;
    }
    #right{
        top: 15%;
    }
    #left{
        top: 15%;
    }
    .pa{
        width: 47%;
    }
    .youshi{
        display: none;
    }
    .news_p1{
        margin-top: 25px;
    }
    .news{
        margin-top: 65px;
    }
    #news{
        width: 100%;
        right: 0;
    }
    .new{
        width: 100%;
        margin: 0;
    }
    .new_d{
        display: none;
    }
    .new_d1{
        width: 100%;
    }
    .new:nth-child(2){
        margin-left: 0;
    }
    .case_d{
        width: 48%;
    }
    .form ul{
        display: none;
    }
    .fo img{
        margin: 0;
        width: 100%;
    }
    .fo_d1{
        width: 100%;
    }
    .fo_d{
        margin-top: 35px;
    }
    .fo_d1{
        margin-top: 40px;
    }
    .dd{
        margin-top: 25px;
    }
    .bannerdesc{
        width: 100%;
        margin: 0!important;
    }
    .topbanner{
        display: none;
    }
    .contact dl {
        width: 80%;
    }
    .linkuslist ul li:nth-child(5){
        display: none;
    }
    .linkuslist li {
        width: 50%;
    }
    .ser_box3 li:nth-child(3){
        display: none;
    }
    .ser_box3 li{
        width: 100%;
        margin: 0;
        margin-bottom: 20px;
    }
    .nprud1{
        width: 47%;
    }
    .navbar{
        margin-top: 0;
    }
    .navbar-header{
        width: 10%;
        float: left;
        margin-left: 3%!important;
        margin-top: 4%;
        margin-bottom: 4%;
    }
    #news a{
        width: 94px;
    }
    #banner img {
        width: 141%;
        margin-left: -17%;
    }
    .case_d img{
        height: 170px;
    }
    .case_d{
        height: 260px;
    }
    .navbar-default .navbar-collapse, .navbar-default .navbar-form{
        width: 100%;
        border-color: #fff;
    }
    .ab11{
        display: none;
    }
    .aa1{
        width: 100%;
    }
    .aa3{
        width: 100%;
        margin-bottom: 20px;
    }
    .np1{
        display: none;
    }
    .nprud1 img{
        height: 170px;
    }
    .tabpanel_divv{
        width: 47%;
    }
    .tabpanel_divv img{
        height: 170px;
    }
    .tabpanel_divv{
        height: 220px;
    }
    #ngsjj p:first-child{
        margin-left: 9%;
    }
    #ngsjj a{
        padding: 9px 30px;
    }
    #ngsjj .nno {
        padding: 9px 30px;
    }
    .news_p3{
        width: 100%;
    }
    .news_p22 {
        width: 100%;
        float: left;
        text-align: left;
        color: #9c9a9c;
        text-indent: 0;
    }
    .nxw img{
        width: 95%!important;
    }
    .tjcp_d {
        width: 47%;
        margin: 5px 0;
        margin-right: 2%;
    }
    .foot_yd{
        display: none;
    }
    .releate{
        margin-bottom: 30px;
    }
    .tabpanel_divv {
        width: 46%;
    }
    .contact dl {
        width: 96%;
    }
    .contact dl dd{
        text-align: center;
    }
    .pro_ad{
        display: none;
    }
    .pro_tel{
        display: none;
    }
    .navbar-light a{
        width: 33%;
    }
    .nbannner img {
        width: 159%;
        margin-left: -29%;
    }





}



@media (max-width:370px){
    .tt{
        width: 80%;
    }
    .navbar-toggle{
        margin-top: 3%;
    }
    .fo img{
        width: 100%;
    }
    #news a{
        width: 100px;
    }
    #news p{
        width: 100px;
    }
}






















































