@media (max-width:1550px){
    .box{
        width: 95%;
    }
    .ys_l{
        margin-left: 13%;
    }
    .ys_r{
        margin-right: 9%;
    }
    .case_r{
        width: 53%;
        margin-right: 5%;
    }
    .case_l{
        margin-left: 8%;
    }
    .abou{
        margin-top: 25px;
    }
    .aboud div{
        height: 170px;
    }
    .aboud{
        height: 240px;
    }
    .new_l img{
        width: 100%;
    }
    .new_rr {
        margin-bottom: 63px;
    }
    .wrap{
        width: 100%;
    }

}
@media (max-width:1400px){
    .ser-four-r ul li{
        width: 40%;
    }
    .prod1 a{
        margin-bottom: 116px;
    }
    .case_r img{
        width: 93%;
    }
    .case_r p{
        bottom: 63px;
    }
    .aboud div {
        height: 152px;
    }
    .aboud div img{
        padding-top: 40px;
    }
}
@media (max-width:1200px){
    .ser-four-r ul li:nth-child(2){
        display: none;
    }
    .cll p{
        width: 70%;
        height: 25px;
        overflow: hidden;
    }
    .li {
        width: 100%;
        overflow-x: scroll;
    }
    .biaotii{
        width: 97%;
    }
    .linkimg{
        width: 100%;
    }
    .prod2{
        width: 65%;
    }
    .pro{
        width: 48%;
        height: 200px;
    }
    .pro img{
        width: 100%;
    }
    .prod1 h2{
        font-size: 24px;
        padding-top: 10px;
    }
    .prod1 span{
        margin-top: 10px;
    }
    .prod1 p{
        margin-top: 26px;
        font-size: 14px;
    }
    .prod1 a {
        margin-bottom: 42px;
    }
    .ys{
        display: none;
    }
    .sj_case{
        display: block;
    }
    .sj_case div{
        width: 30%;
        float: left;
        margin: 1.5%;
    }
    .sj_case div img{
        width: 100%;
    }
    .sj_case div p{
        text-align: center;
    }
    .cas{
        display: none;
    }
    .aboud div {
        height: 116px;
    }
    .aboud {
        height: 180px;
    }
    .aboud div img {
        padding-top: 23px;
    }
    #news a:nth-child(1) {
        margin-left: 28.5%;
    }
    .ne_r p{
        margin-bottom: 5px;
    }
    .new_rr {
        margin-bottom: 28px;
    }
    .fo_z{
        display: none;
    }
    .fo_l{
        margin-left: 20%;
    }

}
@media (max-width:900px){
    .lpi{
        margin-top: 0;
        width: 47%;
    }
    .lx_info{
        width: 88%;
        margin-right: 2%;
        margin-top: 2%;
    }
    .ban_lxbg{
        height: 330px;
    }
    .ul-contact{
        margin-top: 30px;
        margin-bottom: 30px;
    }
    .ser_lc dl dd span{
        font-size: 13px;
    }
    .ser-four-r{
        display: none;
    }
    .ser-four-l{
        width: 100%;
        text-align: center;
    }
    .wrap1{
        width: 100%;
    }
    .ser-four-l .text{
        padding-left: 0;
    }
    .ser-four-l .four-a p, .ser-four-r p{
        font-size: 13px;
    }
    .news_p3 {
        width: 70%;
        height: 30px;
        overflow: hidden;
    }
    .gallery-top img{
        height: 327px;
    }
    .gallery-top{
        height: 337px;
    }
    .swiper-wrapper img{
        width: 100%;
    }
    .mainn{
        margin-bottom: 0;
    }
    .ndiv p{
        height: 28px;
        overflow: hidden;
    }
    .tjcp_d p{
        font-size: 14px;
        margin-top: 0;
    }
    .tel{
        display: none;
    }
    .logo{
        margin: 0 auto;
        display: block;
        float: none;
    }
    .prod1{
        display: none;
    }
    .prod2{
        width: 100%;
    }
    .pro{
        height: 244px;
    }
    .ppra img{
        width: 30%;
    }
    .ppra .clearfix p{
        padding: 6px 13px;
    }
    .ppra .clearfix{
        margin-top: 10px;
        padding-right: 0;
        border-right:0;
    }
    .abou{
        display: none;
    }
    #news a:nth-child(1) {
        margin-left: 22.5%;
    }
    .fo_l{
        margin-left: 16%;
        width: 32%;
    }
}
@media (max-width:450px){
    .logo{
        width: 100%;
    }
    .videoimg{
        width: 100%;
    }
    .fo_l{
        width: 100%;
        text-align: center;
        margin-left: 0;
        padding-right: 0;
        border-right: 0;
    }
    .fo_r{
        width: 100%;
        margin: 0;
        padding: 0;
        margin-top: 30px;
        text-align: center;
    }
    .fo_r span{
        display: none;
    }
    .fo_l span{
        display: none;
    }
    .form{
        height: 640px;
        background: url(../images/form.jpg);
    }
    .bq a{
        width: 100%;
        text-align: center;
    }
    .head .clearfix div{
        display: none;
    }
    .head p{
        width: 100%;
        text-align: center;
    }
    .nav{
        height: 80px;
    }
    .nav ul li{
        margin-top: 0;
        height: 40px;
        line-height: 40px;
        width: 33.2%;
    }
    .nav ul li:nth-child(1){
        display: none;
    }
    .nav ul li a{
        height: 40px;
    }
    #p{
        left: 45%;
        bottom: 10%;
    }
    .prod {
        margin-top: 20px;
    }
    .pro {
        height: 114px;
    }
    .pro div p{
        font-size: 18px;
        padding-left: 10px;
        padding-top: 10px;
    }
    .pro div span{
        font-size:  12px;
        padding-left: 10px;
    }
    .ppra .clearfix{
        border-right: 0;
        padding-right: 0;
    }
    .ppra img {
        width: 68%;
    }
    .ppra{
        padding: 10px;
    }
    .pa div{
        width: 46%;
    }
    .sj_case div{
        width: 47%;
    }
    .y1 img {
        width: 132%;
        margin-left: -15%;
    }
    .y1 {
        margin: 22px 0;
    }
    #news a:nth-child(1) {
        margin-left: 20px;
    }
    #news a{
        width: 87px;
    }
    #news a:nth-child(3){
        margin-right: 0;
    }
    .new_l{
        width: 100%;
    }
    .new_r{
        width: 100%;
        margin-left: 0;
    }
    .new_l .clearfix{
        margin-bottom: 28px;
    }
    .ne2 p{
        margin-bottom: 4px;
    }
    .ne2 span{
        font-size: 14px;
    }
    .link{
        overflow: hidden;
    }
    .link img{
        width: 130%;
        margin-left: -15%;
    }
    .nnav{
        height: 66px;
    }
    .ser_box3 li{
        width: 100%;
        margin-right: 0;
    }
    .noo{
        width: 48%;
        margin-bottom: 2%;
    }
    .tabpanel_div{
        width: 47%;
    }
    .n-r{
        display: none;
    }
    .n-l {
        width: 100%;
    }
    .swiper-container {
        left: 10%;
    }
    .gallery-thumbs{
        height: 90px;
    }
    .biaotii {
        width: 90%;
    }
    .syp{
        width: 100%;
    }
    .xyp{
        width: 100%;
    }
    .tjcp_d{
        width: 48%;
    }
    .tjcp_d:nth-child(5){
        display: none;
    }
    .ndiv{
        width: 98%;
    }
    .n-news-1 {
        margin-top: 20px;
        display: flex;
        flex-direction: column-reverse;
        align-items: center;
    }
    .cl {
        width: 82%;
        margin-right: 0;
    }
    .cr {
        width: 100%;
        height: 233px;
    }
    .cll p{
        width: 69%;
    }
    .n-news-2{
        margin-top: 35px;
        padding: 55px 0;
    }
    .cl-l{
        width: 81%;
        margin-right: 1%;
    }
    .news_d {
        width: 93%;
        background: url(../images/prodot01.png) no-repeat 0px 38px;
    }
    .kp{
        margin-bottom: 0;
    }
    .apa1{
        font-size: 26px;
        margin-bottom: 10px;
    }
    .ai img{
        width: 100%;
    }
    .ser_lc dl dd{
        width: 47%;
    }
    .ser_lc h2{
        margin: 0;
        font-size: 22px;
    }
    .ser_lc dl dd strong{
        margin: 5px auto 0px;
    }
    .cont_time h1{
        font-size: 22px;
    }
    .ul-contact1 li{
        width: 50%;
    }
    .ban_lxbg {
        height: 430px;
    }
    .lx_info{
        width: 81%;
    }
    .lx_info ul li{
        width: 99%;
    }
    .lx_info ul li.lx_zx{
        width: 99%;
    }
    .lpi{
        width: 95%;
    }
    .bottom_bottom{
        display: block;
    }
    .bottom_bottom{
        position: fixed;
        bottom: -2px;
        left: 0;
        width: 100%;
        background: #0265da;
        z-index: 999;
    }
    .bottom_bottom nav{
       display: flex;
       justify-content: space-between;
    }
    .bottom_bottom nav a{
        padding: 12px 17px;
        color: #fff;
        text-decoration: none;
    }
    .bq{
        padding-bottom: 50px;
    }
    .video{
        background: url(../images/video.jpg) no-repeat top center;
        height: 454px;
    }
    .sj_case div p{
        font-size: 14px;
    }
}