@media only screen and (max-width: 1280px){
    .container{
        width: 1264px;
    }
    .navbar-default .navbar-nav-c > li > a{
        margin: 42px 13px 42px 13px;
    }
}
@media only screen and (max-width: 640px){
    .lc ul li{
        width: 100%;
        height: 230px;
        position: relative;
        left: 0 !important;
        top: 0 !important;
    }
    .lc ul{
        width: 100%;
        height: auto;
    }
    .lc{
        padding: 20px 0;
    }
    .n_hdcezt6{
        padding-top: 0;
    }
    .z_nanlixq{
        margin-bottom: 20px;
    }
    .n_hdcezt5{
        padding-top: 0;
    }
    .z_qyslxq .b p {
        margin-top: 23px;
    }
    .z_qyslxq .b h1{
        margin-top: 10px;
        font-size: 18px;
    }
    .z_qyslxq:nth-child(2n){
        margin-right: 0;
    }
    .z_qyslxq{
        width: calc(50% - 10px);
        min-height: 205px;
    }
    .skzyfn{
        overflow: hidden;

    }
    .n_hdcezt3{
        background: url(../picture/bg1.jpg) no-repeat center;
        background-size: cover;
        padding-top: 40px;
        overflow: hidden;
        margin-bottom: 0;
    }
    .skzyfnbx{
        width: 100%;
        margin-bottom: 20px;
    }
    .yzsjjfa .b .scdw .r .t{
        margin-top: 10px;
    }
    .yzsjjfa .b .scdw .r{
        float: none;
        width: 100%;
        text-align: center;
        display: block;
        padding: 0;
    }
    .yzsjjfa .b .scdw .l{
        float: none;
        display: inline-block;
    }
    .yzsjjfa .b .scdw{
        padding: 0;
        text-align: center;
        border: none;
        margin-bottom: 20px;
    }
    .n_hdcezt2 .z_zx{
        margin-top: 20px;
    }
    .yzsjjfa .t{
        margin-bottom: 20px;
    }
    .yzsjjfa .t .l{
        float: none;
        width: 100%;
    }
    .yzsjjfa .t .r{
        float: none;
        width: 100%;
    }
    .yzsjjfa .t{
        margin-top: 0;
    }
    .n_hdcezt2{
        padding-top: 0;
        padding-bottom: 20px;
    }
    .left_h{
        margin-top: 0;
    }
    .z_h2t1img .t{
        margin-bottom: 10px;
    }
    .z_h2t1img .b{
        line-height: 1.5;
    }
    .z_h2t1img{
        margin-bottom: 10px;
    }
    .list_news li a{
        font-size: 16px;
    }
    .navbar-fixed-top .navbar-collapse, .navbar-fixed-bottom .navbar-collapse{
        max-height: none;
    }
    .navbar-nav .open .dropdown-menu{
        height: auto;
    }
    .navbar-nav > li.open ul li a{
        color: #fff !important;
    }
    .navbar-nav > li.open a span{
        color: #333 !important;
    }
    #app_menudown .glyphicon{
        display: none;
    }
    #app_menudown{
        content: "";
        display: block;
        width: 48px;
        height: 40px;
        background-size: 31% !important;
        background: url("../image/arrow-single-down.svg") no-repeat center;
    }
    #app_menudown{
        margin: 0;
    }
    .index-liucheng .item .text{
        width: 145px;
        text-align: left;
        padding: 0;
    }
    .danye-youshi .fkjly{
        margin-bottom: 30px;
        min-height: 220px;
    }
    .danye-youshi .item .img{

        left: 50%;
        right: auto;
        top: 90px;
        transform:translate(-50%,0);
    }
    .danye-youshi .item .text .p1{
        padding-top: 20px;
        padding-bottom: 0;
    }
    .product_title a{
        margin-top: 5px;
        line-height: 1.5 !important;
    }
    .product_title{
        height: 65px !important;

    }
    .product_list .product_img{
        padding: 0 5px;
    }
    footer{
        margin-bottom: 0;
    }
    #dosubmit{
        position: relative;
    }
    .z_yzm .input-text{
        width: 167px;
    }
    .product_list .z_title{
        font-size: 18px !important;
        margin-top: 30px;
    }
    .z_lxfs ul li{
        font-size: 16px;
        margin-bottom: 8px;
    }
    .z_lxfs{
        margin-top: 20px;
    }
    .z_title_l{
        font-size: 18px;
        margin-top: 20px;
    }
    .cooperation_img{
        min-height: auto;
    }
    .news_index li a{
        font-size: 16px;
    }
    .news_bg .col-xs-12{
        float: none;
        padding: 0;
    }
    .news_index{
        padding: 0;
    }
    .about_right .about_contents{
        text-align: left;
    }
    .container{
        width: 100%;
    }
    .navbar-fixed-top, .navbar-fixed-bottom{
        position: absolute;
    }
    .navbar-default .navbar-nav-c > li > a{
        margin: 3px 0;
    }
    .navbar-default .navbar-nav{
        padding: 10px 0;
    }
    .footer_nav{
        display: none;
    }
    .navbar-default .navbar-collapse, .navbar-default .navbar-form{
        border: 0;
    }
    .product_img>a{
        padding-top: 80%;
    }
    .product_title{
        height: 40px;
    }
    .product_title a{
        line-height: 40px;
    }
    .product_img a img{
        position: relative;
    }
    .product_img>a{
        padding: 0;
    }
    a.about_btn{
        padding: 13px 20px !important;
    }
    .about_right{
        padding: 30px 0 !important;
    }
}