@media only screen and (max-width: 1200px) {

}
@media only screen and (max-width: 1024px) {
    /*nav*/
    .kj-navbar-form{display:none;}

    /*footer*/
    .footer_box .footer_nav ul li .title{font-size:15px;margin-bottom:10px;}
    .footer_box .footer_nav ul li .nav_list a{font-size:12px;}
    .footer_box .official_account span{font-size:15px;}
    .footer_box .copyright_text span{font-size:12px;}

    /*float*/
    .float_box{display:none;}

    /*index*/
    /*banner*/
    .index_banner .search_form{width:100%;left:0;margin-left:0;}
    #banner-swiper .swiper-button-prev{left:10px;}
    #banner-swiper .swiper-button-next{right:10px;}
    /*技术合作*/
    .index_cooperation .list_box .list .box:first-child{margin-bottom:15px;}
    .index_cooperation .list_box .list.list_one:hover .name{opacity:1;}
    .index_cooperation .list_box .list.list_one:hover .line_bg{opacity:1;}
    .index_cooperation .list_box .list.list_one:hover .bg{opacity:0;}
    .index_cooperation .list_box .list.list_one:hover .brief_info{opacity:0;}
    .index_cooperation .list_box .list.list_one:hover .look_btn{opacity:0;}
    .index_cooperation .list_box .list.list_two .box:hover .name{opacity:1;}
    .index_cooperation .list_box .list.list_two .box:hover .line_bg{opacity:1;}
    .index_cooperation .list_box .list.list_two .box:hover .bg{opacity:0;}
    .index_cooperation .list_box .list.list_two .box:hover .brief_info{opacity:0}
    .index_cooperation .list_box .list.list_two .box:hover .look_btn{opacity:0}

    /*research cat*/
    .page_session .research_right .cat_list_btn a{width:calc((100% - 70px)/2);}
    .page_session .research_right .cat_list_btn a:nth-child(3n){margin-right:70px;}
    .page_session .research_right .cat_list_btn a:nth-child(2n){margin-right:0;}

    /*research list*/
    .page_session .research_right .research_product_list li{width:calc((100% - 84px)/4)}
    .page_session .research_right .research_product_list li:nth-child(5n){margin-right:28px;}
    .page_session .research_right .research_product_list li:nth-child(4n){margin-right:0;}

    /*search list*/
    .search_result .research_product_list li{width:calc((100% - 84px)/4)}
    .search_result .research_product_list li:nth-child(5n){margin-right:28px;}
    .search_result .research_product_list li:nth-child(4n){margin-right:0;}

    /*product 结构类似物 list*/
    .page_session .product_des_box .des_content .research_product_list li{width:calc((100% - 84px)/4)}
    .page_session .product_des_box .des_content .research_product_list li:nth-child(5n){margin-right:28px;}
   .page_session .product_des_box .des_content .research_product_list li:nth-child(4n){margin-right:0;}

    /*product*/
   .form_search{width:100%;}

}
@media only screen and (max-width: 1020px) {
    /*header*/
    .header_top span{font-size:12px;}
    /*.header_top .btn_box a{font-size:12px;}
    .header_top .btn_box a i{font-size:16px;margin-bottom:2px;}
    .header_top .btn_box a:after{margin:0 12px;}*/
    .header_top ul li{padding:0 12px;}
    .header_top ul li a.f_btn, .header_top ul li span{font-size:12px;}
    .header_top ul li a.f_btn i, .header_top ul li span i{font-size:16px;margin-bottom:2px;}
    .header_top ul li .tel_box{font-size:12px;}
    .header_top ul li .qq_box a{font-size:12px;height:28px;line-height:28px;}

    /*footer*/
    .footer_box .footer_nav ul {
        width: 100%;
    }
    .footer_box .official_account{width:100%;}

    /*nav*/
    .kj-navbar .navbar-brand{height:90px;}
    .kj-navbar .navbar-brand img{height:50px;}
    .kj-navbar .navbar-nav li a{line-height:90px;font-size:13px;padding:0 10px;}

    /*index*/
    .index_title{padding-top:45px;}
    /*index*/
    /*banner*/
    #banner-swiper .swiper-wrapper .img_btn {
        height: 286px;
    }
    /*技术合作*/
    .index_cooperation .list_box .list .box:first-child{margin-bottom:12px;}
    .index_cooperation .list_box .list .name{font-size:16px;}

    /*research cat*/
    .page_session .page_nav{width:100%;margin-right:0;margin-bottom:30px;}
    .page_session .research_right{width:100%;}
    .page_session .research_right .cat_list_btn a{width:calc((100% - 40px)/2);margin-right:40px;}
    .page_session .research_right .cat_list_btn a:nth-child(3n){margin-right:40px;}
    .page_session .research_right .cat_list_btn a:nth-child(2n){margin-right:0;}

    /*research des*/
    .page_session .research_base_info .research_img{margin-bottom:25px;margin-right:auto;margin-left:auto;float:inherit;width:auto;}
    .page_session .research_base_info .research_img img{width:auto;max-width:100%;}
    .page_session .research_base_info .info_box{width:100%;}
    .page_session .product_des_box .btn_box a{font-size:14px;width:120px;}

    /*consumables des*/
    .commercial_des .des_box .img_box{width:100%;border-right:0;border-bottom:1px solid #d4d4d4;height:auto;}
    .commercial_des .des_box .img_box img{max-width:100%;display:block;margin:0 auto;width:auto;}
    .commercial_des .des_box .info_box{padding:45px 30px 45px 56px;width:100%;}

    /*cooperation*/
    .cooperation_btn a{width:220px;}
    .cooperation_server_1{padding-bottom:60px;}
    .cooperation_server_1 ul li{width:100%;margin-right:0;}
    .cooperation_server_2 ul li{width:100%;margin-right:0;}

    /*cooperation*/
    .product_btn_box ul li .tel_box{font-size:12px;min-width:180px;line-height:24px;}
    .product_btn_box ul li .qq_box a{font-size:12px;}

    /*product 结构类似物 list*/
    .page_session .product_des_box .des_content .research_product_list li .img_btn img{height:144px;}
}
@media only screen and (max-width: 767px) {
    /*nav*/
    .kj-navbar .btn-search-toggle{float:right;margin-top:18px;background:#fff;line-height:30px;padding:0;margin-right:10px;color:#666;font-size:16px;}

    .table-responsive{border:0;}
}
@media only screen and (max-width: 500px) {
    /*header*/
    .header_top{display:none;}
    /*footer*/
    .footer_box .footer_nav ul li{width:33.3333%;}
    .footer_box .footer_nav ul li .nav_list{height:130px;}

    /*nav*/
    .kj-navbar .navbar-brand{height:70px;padding:10px 15px;}
    .kj-navbar .navbar-toggle{margin-top:18px;border:0;}
    .kj-navbar .navbar-collapse{padding-left:0;padding-right:0;}
    .kj-navbar .nav{margin:0;}
    .kj-navbar .nav li{border-bottom:1px solid #eee;}
    .kj-navbar .navbar-nav li a{padding:12px 20px;line-height:20px;}
    .kj-navbar .navbar-nav li a span{display:none;}

    /*page*/
    .page_banner{padding:60px 0;}
    .page_banner h2{font-size:36px;}
    .page_banner .map{font-size:14px;}
    .page_banner .map i{margin:0 6px 0 4px;}

    /*index*/
    .index_title{padding-top:35px;padding-bottom:25px;}
    .index_title h2{font-size:32px;margin-bottom:10px;}
    /*banner*/
    .index_banner .search_form{display:none;}
    #banner-swiper .swiper-slide img{max-width:100%;vertical-align:middle;}
    #banner-swiper .swiper-pagination-bullets{bottom:5px;}
    #banner-swiper .swiper-pagination-bullet{margin:2px 5px;}
    /*product*/
    .index_product{margin-bottom:22px;}
    .index_product .product_btn .btn_box a{font-size:18px;padding:0 10px;margin-left:10px;}
    .index_product .index_product_list .index_product_swiper{padding-bottom:45px;}
    .index_product .index_product_list .swiper-button-next, .index_product .index_product_list .swiper-button-prev{display:none;}
    /*技术合作*/
    .index_cooperation{margin-bottom:50px;}
    .index_cooperation .list_box{display:none;}
    .index_cooperation .phone_list_box{display:block;}
    /*新闻资讯*/
    .index_news_list{margin-bottom:50px;}
    #index_news{padding:15px 0 45px 0;}
    #index_news .swiper-slide{border:1px solid rgba(0,0,0,0.1);box-shadow:0 0 0 #fff;}

    /*research cat*/
    .page_session{padding-bottom:50px;}
    .page_session .research_right .cat_list_btn{margin-bottom:20px;}
    .page_session .research_right .cat_list_btn a{width:100%;margin-right:0;}

    /*research des*/
    .page_session .research_base_info .info_box h2{line-height:30px;}
    .page_session .research_base_info .info_box h6{line-height:20px;}
    .page_session .product_des_box .btn_box a{width:100%;border-right:0;border-top:1px solid #dddddd;}
    .page_session .product_des_box .btn_box a:first-child{border-top:0;}

    /*research list*/
    .page_session .research_right .research_product_list li{width:calc((100% - 28px)/2)}
    .page_session .research_right .research_product_list li:nth-child(5n){margin-right:28px;}
    .page_session .research_right .research_product_list li:nth-child(4n){margin-right:28px;}
    .page_session .research_right .research_product_list li:nth-child(2n){margin-right:0;}

    /*search list*/
    .search_result .research_product_list li{width:calc((100% - 28px)/2)}
    .search_result .research_product_list li:nth-child(5n){margin-right:28px;}
    .search_result .research_product_list li:nth-child(4n){margin-right:28px;}
    .search_result .research_product_list li:nth-child(2n){margin-right:0;}

    /*product 结构类似物 list*/
    .page_session .product_des_box .des_content .research_product_list li{width:calc((100% - 28px)/2)}
    .page_session .product_des_box .des_content .research_product_list li:nth-child(5n){margin-right:28px;}
    .page_session .product_des_box .des_content .research_product_list li:nth-child(4n){margin-right:28px;}
    .page_session .product_des_box .des_content .research_product_list li:nth-child(2n){margin-right:0;}
    .page_session .product_des_box .des_content .research_product_list li .img_btn img{height:132px;}
     .product_relevant .img_btn{width:165px;height:165px;}

    /*consumables des*/
    .commercial_des{margin-bottom:80px;}
    .commercial_des h2{font-size:28px;line-height:100px;}
    .commercial_des .des_box .info_box{padding:30px 15px;}
    .commercial_des .des_box .info_box .product_btn_box{padding-top:40px;}
    .commercial_des .des_box .info_box .info_list{display:block;}
    .commercial_des .des_box .info_box .info_list label{margin-bottom:5px;}
    .commercial_des .des_box .info_box .info_list span{width:100%;}

    /*cooperation*/
    .cooperation_btn .container{padding-left:0;padding-right:0;}
    .cooperation_btn a{width:100%;height:52px;line-height:52px;font-size:15px;}
    .cooperation_server_1{padding-top:40px;padding-bottom:50px;}
    .cooperation_server_1 h2{font-size:32px;margin-bottom:50px;}
    .cooperation_server_1 ul li img{margin-bottom:30px;}
    .cooperation_server_2{padding-top:40px;padding-bottom:50px;}
    .cooperation_server_2 h2{font-size:32px;margin-bottom:50px;}
    .cooperation_server_2 ul li img{float:initial;display:block;margin:0 auto;}
    .cooperation_server_2 ul li .right_box{margin-top:30px;width:100%;}
    .cooperation_server_3{padding-top:40px;padding-bottom:50px;}
    .cooperation_server_3 h2{font-size:32px;margin-bottom:50px;}

    /*page*/
    .page_active .nav_left{width:100%;margin-right:0;margin-bottom:20px;}
    .page_active .active_right{width:100%;}

    /*订购此采品弹出框*/
    .pop_order{width:90%;left:5%;margin-left:0;}
    .pop_order .title{height:50px;line-height:50px;}
    .pop_order .title a.close-btn{line-height:50px;}
    .pop_order .order_form ul li{margin-top:12px;}
    .pop_order .order_form ul li label{width:100%;}
    .pop_order .order_form ul li input{width:100%;}
    .pop_order .order_form ul li textarea{width:100%;}
}