body{font:14px 'microsoft yahei regular','Microsoft YaHei',arial,sans-serif!important;}
.w1200{position: relative;width: 1200px;margin:0 auto}
img{vertical-align:middle;max-width: 100%;}

/*头部*/
.header{position: relative;background-color: #258dde;}
.header .w1200{position:relative;display: flex;display: -webkit-flex;align-items: center;-webkit-align-items: center;justify-content:space-between;-webkit-justify-content:space-between;}
.header .w1200 .logo{width: 98px;}
.header .w1200 .logo img{width: 100%;}
.header .w1200 .menu{position: relative;}
.header .w1200 .menu ul{display: flex;display:-webkit-flex;}
.header .w1200 .menu ul li{width: 120px;height: 80px;text-align: center;line-height: 80px;}
.header .w1200 .menu ul li a{font-size: 18px;font-weight: bold;color: #fff;display: block;}
.header .w1200 .menu ul li a:hover{background-color: #fff;color: #258dde;}
.header .w1200 .menu ul .active a{background-color: #fff;color: #258dde;}
.header .w1200 .search{position: relative;}
 .search_form{position: absolute;top:0;right: 0;display: none}
 .search_form input{height: 33px;width: 250px;;border: 1px solid #258dde;padding:5px;font-size: 12px;}
 .search_form button{background-color: #258dde;border: 1px solid #258dde;position:absolute;top:0;right:0;height: 33px;width: 33px;}

/*轮播图*/
.carousel-indicators li{width: 16px;height: 16px;background: -webkit-linear-gradient( top,#c4c4c4,#fff);margin: 0 5px 0 5px;border:2px solid #fff;}
.carousel-indicators .active{width: 16px;height: 16px;background: #666666;margin: 0 5px 0 5px;}

/*产品业务*/
.product{padding: 79px 0 97px 0}
.title {position: relative;text-align: center;}
.title h2{font-size: 32px;font-weight: bold;color: #258dde;font-family:'microsoft yahei Bold'}
.title h2 span{text-indent: 10px;display: inline-block;}
.title p{font-size: 22px;padding:10px 0}
.product .con{position: relative;padding-top:27px;}
.product .con ul{position:relative;display:flex;display:-webkit-flex;justify-content: space-between;-webkit-justify-content: space-between;align-items: flex-start;-webkit-align-items: flex-start;flex-wrap: wrap;-webkit-flex-wrap: wrap}
.product .con ul li{position:relative;width: 300px;height: 200px;}
.product .con ul li:nth-child(2){width: 530px;height: 430px;}
.product .con ul li:nth-child(4){position: absolute;left: 0;bottom: 0}
.product .con ul li:nth-child(5){position: absolute;right: 0;bottom: 0}
.product .con ul li .mask{position: absolute;text-align: center;z-index: 5;top:0;width: 100%;height:100%;background-color: rgba(37,141,222,0.5);box-sizing: border-box;padding:30px;display: none;}
.product .con ul li .mask h4{color: #fff;font-weight: bold;font-size: 18px;padding:25px 0;}
.product .con ul li .mask div span{font-size: 12px;border:1px solid #fff;display: inline-block;padding:9px 20px;color: #fff;}
.product .con ul li .mask div span:hover{color: #258dde;background-color: rgba(255,255,255,0.6);}
.product .con ul li:hover .mask{display: block;}
.product .con ul li .list{background-color: rgba(37,141,222,0.5); position: absolute;width: 350px;height:160px;top:0;right:0;box-sizing: border-box;padding:14px 25px 0 25px;}
.product .con ul li .list ul{position:relative;display: flex;display: -webkit-flex;justify-content: space-between;align-items: center;-webkit-justify-content: space-between;-webkit-align-items: center}
.product .con ul li .list ul li{width: 139px;height: 45px;border-top:1px solid #fff;padding-top:5px;overflow:hidden;}
.product .con ul li .list ul li a{color: #fff;font-size: 14px;}
.product .con ul li .list ul li:nth-child(4){position: relative}
.product .con ul li .list ul li:nth-child(5){position: relative;}
.product .con ul li .list ul li a:hover{color: #258dde}

/*服务体系*/
.service{position: relative;background: url(../images/service_bg.jpg) center top repeat;height: 190px;}
.service .w1200{display: flex;display: -webkit-flex;justify-content: space-between;align-items: center;-webkit-align-items: center;height: 100%;flex-wrap: wrap;-webkit-justify-content: space-between;-webkit-flex-wrap: wrap}
.service .w1200 .title{position:relative;background: url(../images/service.png) center top no-repeat;width: 318px;height: 152px;}
.service .w1200 .title span{font-size: 18px;font-weight: bold;color: #fff;position: absolute;display: block;bottom:37px;left:30px;}
.service .w1200 .list ul{display: flex;display: -webkit-flex;align-items:center;flex-wrap: wrap;-webkit-align-items:center;-webkit-flex-wrap: wrap;}
.service .w1200 .list ul li:nth-child(2n+1){width: 120px;height: 120px;border: 1px solid #258dde;border-radius:60px;}
.service .w1200 .list ul li:nth-child(2n+1) a{color: #666;line-height: 1.8;display: flex;display: -webkit-flex;align-items:center;justify-content: center;-webkit-align-items:center;-webkit-justify-content: center;width: 100%;height: 100%;text-align: center;}
.service .w1200 .list ul li:nth-child(2n+1):hover{background-color: #258dde}
.service .w1200 .list ul li:nth-child(2n+1):hover a{color: #fff;}
.service .w1200 .list ul li:nth-child(2n){width: 55px;height: 1px;background-color: #258dde;}

/*走进久恩*/
.about{position: relative;background: url(../images/about_bg.jpg) center top no-repeat;height: 630px}
.about_con{display: flex;display: -webkit-flex;justify-content: space-between;align-items: flex-end;-webkit-justify-content: space-between;-webkit-align-items: flex-end;height: 100%;}
.about_l{position: relative;width: 600px;height: 510px;background-color: rgba(255,255,255,0.9);box-sizing: border-box;padding:40px 42px;}
.about_txt{position: relative;}
.about_txt h2{font-size: 31px;color: #258dde;top: 30px;position: absolute;z-index: 1;line-height: 1.6}
.about_txt a{color: #258dde;}
.about_txt a:hover{font-weight: bold}
.about_txt .en{position: absolute;top:6px;left:5px;z-index: 0}
.about_txt p{color: #666666;text-indent: 24px;padding-top:140px;position: relative;line-height: 1.8;}
.about_txt_02{display: flex;display: -webkit-flex;justify-content: space-between;-webkit-justify-content: space-between}
.about_txt_02 p{padding-top:13px;position: relative;line-height: 1.8;width: 262px;}
.about_img{position:relative;width: 224px;}
.about_img .img_1{border-radius: 165px;padding:5px;background-color: #fff;position: absolute;top:0;left:0}
.about_img .img_2{background-color: #fff;border-radius: 99px;padding: 5px;width: 110px;position: absolute;bottom:-10px;right: 0}
.about_r{position: relative;width: 512px;padding:23px 0  43px 0;box-sizing: border-box;}
.about_r ul{display: flex;display: -webkit-flex;flex-wrap: wrap-reverse;justify-content: center;-webkit-flex-wrap: wrap-reverse;-webkit-justify-content: center;}
.about_r ul li{width: 157px;margin:14px 10px 0 10px;}
.about_r ul li:nth-child(1){margin-left:0;}
.about_r ul li:nth-child(3){margin-right:0;}

/*工程案例*/
.case{padding:73px 0 94px 0}
.case .con{width: 100%;position: relative;padding-top: 39px;}
.case .con ul{position:relative;display: flex;display: -webkit-flex;justify-content: space-between;-webkit-justify-content: space-between;width: 100%;}
.case .con ul li{position:relative;width: 200px;height: 300px;}
.case .con ul li img{max-width: 100%;height: 230px}
.case .con ul li .case_t{display: inline-block;width: 100%;height: 70px;background-color: #258dde;text-align: center;line-height: 70px;color: #fff;}
.case .con ul li:nth-child(2n) .case_i{position: absolute;left:0;top:70px;}
.case .con ul li:nth-child(2n) .case_t{position: absolute;left:0;top:0;}
.case .con ul li:last-child{width: 590px;}
.case .con ul li:last-child img{height: 300px;width: 100%;}
.case .con ul li .more{position: absolute;top:0;left:0;background-color: rgba(0,0,0,0.5);width: 100%;height: 100%;text-align: center;line-height: 300px;display: none}
.case .con ul li .more b{font-weight: normal;color: #fff;border:1px solid #fff;padding:12px 22px;font-size: 12px;}
.case .con ul li a:hover .more{display: block;}
.case .con ul li .more b:hover{background-color: rgba(255,255,255,0.7);color: #258dde;}

/*联系我们*/
.contact{position: relative;background: url(../images/contact_bg.jpg) center bottom no-repeat;height: 517px;}
.contact .w1200{padding-top:64px;}
.contact .w1200 .con{display: flex;display: -webkit-flex;flex-wrap: wrap;justify-content: space-between;-webkit-justify-content: space-between;}
.contact .con{padding-top:40px;}
.contact .con_l{width: 772px}
.contact .con_l tr{display: flex;display: -webkit-flex;justify-content: space-between;-webkit-justify-content: space-between;width: 100%;}
.contact .con_l thead th{width: 130px;height: 48px;text-align: center;line-height: 48px;font-family:'microsoft yahei Bold';font-size: 18px;color: #fff;background-color: #258dde}
.contact .con_l thead th:nth-child(1){width: 240px;}
.contact .con_l tbody{width: 760px;height: 250px;display: flex;display: -webkit-flex;align-items: center;flex-wrap:wrap;-webkit-align-items: center;-webkit-flex-wrap:wrap;}
.contact .con_l tbody td{width: 130px;height: 60px;background-color: #fff;box-sizing: border-box;padding:10px;display: flex;display: -webkit-flex;justify-content: center;align-items: center;flex-wrap: wrap;-webkit-justify-content: center;-webkit-align-items: center;-webkit-flex-wrap: wrap}
.contact .con_l tbody td:nth-child(1){width: 240px;}
.contact .con_r{width: 400px;height: 297px;background: url(../images/contact_bg01.jpg) center center no-repeat;color: #258dde;text-align: center;display: flex;display: -webkit-flex;flex-wrap: wrap;justify-content: center;align-items: center;-webkit-justify-content: center;-webkit-align-items: center;box-shadow: 3px 3px 3px #ccc;}
.contact .con_r .tel{font-size: 18px;}
.contact .con_r p{padding:31px 0 36px 0;}
.contact .con_r .advisory a{color: #258dde;padding: 12px 22px;border: 1px solid #258dde;}
.contact .con_r .advisory a:hover{background-color: rgba(255,255,255,0.8);}

/*底部*/
.footer{position: relative;}
.footer_col_1{height: 230px;background-color: #258dde;}
.footer_col_1 .w1200{display: flex;display: -webkit-flex;justify-content: space-between;flex-wrap: wrap;align-items: center;-webkit-justify-content: space-between;-webkit-flex-wrap: wrap;-webkit-align-items: center;color: #fff;line-height: 2;}
.footer_col_1 .w1200 a{color: #fff}
.footer_col_1 .w1200 .left{width: 25%;}
.footer_col_1 .w1200 .right{width: 27.5%;display: flex;display:-webkit-flex;
    justify-content:flex-end;}
.footer_col_1 .w1200 .right div{background-color: rgba(0,0,0,0.1);width: 210px;height: 230px;display: flex;display:-webkit-flex;
    justify-content:center;align-items: center;flex-wrap: wrap;-webkit-justify-content:center;-webkit-align-items: center;-webkit-flex-wrap: wrap;}
.footer_col_1 .w1200 .center{width: 47.5%;height:175px;border-left:1px dashed #67a7e5;border-right:1px dashed #67a7e5;display: flex;display:-webkit-flex;justify-content:center;align-items: center;flex-wrap: wrap;-webkit-justify-content:center;-webkit-align-items: center;-webkit-flex-wrap: wrap; }

.footer_col_1 .t{font-size: 23px;position: relative;padding-left: 13px;font-family:'microsoft yahei Bold';font-weight: bold;margin-bottom:7px;}
.footer_col_1 .t span{width: 3px;height: 24px;background-color: #fff;display: inline-block;position: absolute;left:0;top:12px}
.footer_col_2{height: 50px;background-color: #4d4d4d;}
.footer_col_2 .w1200 p{color: #b5b5b5;text-align: center;line-height: 50px;}

/*移动端导航键*/
.mmenu_btn{display: none;}
.mmenu_btn span{display: block;height: 3px;width: 30px;background-color: #fff;margin:8px 0;}
.mmenu{position: absolute;top:80px;width: 100%;height: 100%;display: none;}
.mmenu .hm{position: absolute;top:80px;width: 100%;background-color: rgba(0,0,0,0.5);height: 100%;z-index: 99;}
.mmenu .nav{position: absolute;max-width: 1200px;margin:0 auto;padding:20px;background-color: #248dde;z-index: 100;width: 100%}
.mmenu .nav ul li{border-bottom: 1px solid #ccc;line-height: 2}
.mmenu .nav ul li a{font-size: 18px;color: #fff;}

/*面包屑导航*/
.chip{background-color: #f5f5f5;height: 65px;line-height: 65px;}
.chip .w1200{display: flex;display: -webkit-flex;justify-content: flex-end;-webkit-justify-content: flex-end;}
.chip .w1200 div{margin-left:16px;}
.chip .w1200 div a{font-family:'microsoft yahei Bold';font-weight: bold;color: #999999;margin-left: 16px}
.chip .home span{display: inline-block;width: 10px;height: 10px;background: url(../images/page_ico.png) left center no-repeat;}
.chip div span{display: inline-block;width: 3px;height: 10px;background: url(../images/page_ico.png) right center no-repeat;}

/*产品中心页*/
.page_product{border-left: 1px solid #cccccc;padding-top:55px;display: flex;display: -webkit-flex;justify-content: space-between;flex-wrap: wrap;-webkit-justify-content: space-between;-webkit-flex-wrap: wrap;}
/*侧边栏*/
.sidebar{width: 280px;text-align: center}
.sidebar .lg{position: relative;width: 100%;text-align: center}
.sidebar .lg span{position: absolute;display: inline-block;width: 17px;height: 38px;background: url(../images/title.png) left top no-repeat;left: 10px;}
.sidebar .lg b{display: inline-block;width: 221px;height: 3px;background-color: #ccc;}
.sidebar h3{font-size: 26px;color: #258dde;padding:10px 0 30px 0;}
.sidebar ul{width: 100%;height: 952px;background: url(../images/page_sidebar.jpg) center bottom repeat-y;padding-top:37px;}
.sidebar ul li{margin-top:20px;cursor: pointer}
.sidebar ul .active span{background-color: #258dde;color: #fff;display: inline-block;padding:20px 0;width: 100%;}
.sidebar ul li ul{width: 220px;height: auto;background: rgba(255,255,255,0);margin: 0 auto;padding-top:8px;padding-bottom:30px;display: none;}
.sidebar ul .active ul{display: block;}
.sidebar ul li ul li{border-bottom: 1px solid #000;text-align: left;padding:15px;margin: 0}
.sidebar ul li ul li a{font-size: 12px;}
.sidebar ul li ul li a{font-size: 12px;color: #666}
.sidebar ul li ul .s_active a{color: #258dde}
.page_product .con{width: 850px;}
.page_product .con li{border:1px solid #ccc;height: 200px;display: flex;display: -webkit-flex;justify-content: space-around;align-items: center;margin-top:25px;-webkit-justify-content: space-around;-webkit-align-items: center;}
.page_product .con li:nth-child(1){margin-top: 0}
.page_product .con li .img{width:188px;height:166px;}
.page_product .con li .img img{width: 100%;height: 100%}
.page_product .con li .text{width: 370px;}
.page_product .con li .text span{display: block;overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-box-orient: vertical;}
.page_product .con li .text .title{text-align: left;-webkit-line-clamp: 1;font-size: 18px;color: #258dde;}
.page_product .con li .text .hr{margin:20px 0;height: 1px;background-color: #000}
.page_product .con li .text .des{-webkit-line-clamp: 2;color: #666}
.page_product .con li .details {width: 138px;height: 48px;text-align: center;line-height: 48px;}
.page_product .con li .details a{display: block;height: 100%;background-color: #258dde;font-size: 12px;color: #fff;}
.page_product .con li .details span{padding-right:20px;}
.page_product .con .more{display: flex;display: -webkit-flex;justify-content: flex-end;margin-top:38px;-webkit-justify-content: flex-end;}
.page_product .con .more a{display:block;width: 350px;height: 55px;color: #fff;font-size: 18px;background-color: #999;box-sizing: border-box;padding:0 36px;line-height: 55px;text-align: right;}
.page_product .con .more a span{padding-left:18px;}

/*产品详情页*/
.page_con_1{display: flex;display: -webkit-flex;justify-content: center;-webkit-justify-content: center;}
.page_con_1 .paged_product{display: flex;display: -webkit-flex;justify-content: center;flex-wrap: wrap;width: 470px;-webkit-justify-content: center;-webkit-flex-wrap: wrap;}
.page_con_1 .paged_product img{width: 100%;}
.page_con_1 .paged_product .title{font-size: 18px;color: #258dde;padding:30px 0}
.page_con_1 .return{position: absolute;right: 0;top:125px;width: 138px;height: 48px;text-align: center;line-height: 48px;background-color:#258dde; }
.page_con_1 .return a{color: #fff;display: block}
.page_con_2 .column{position:relative;background: url(../images/page_product_03.jpg) center bottom no-repeat;height: 170px;overflow: hidden}
.page_con_2 .column ul{width: 1010px;margin: 0 auto;display: flex;display: -webkit-flex;justify-content: space-between;align-items: flex-end;height:170px;-webkit-justify-content: space-between;-webkit-align-items: flex-end;}
.page_con_2 .column ul li{width: 230px;height: 66px;text-align: center;line-height: 66px;}
.page_con_2 .column ul li a{display: block;color: #666666;font-size: 18px;font-weight: bold;font-family:'microsoft yahei Bold';background-color: #e6e6e6;}
.page_con_2 .column ul .active a{background-color: #fff;color: #258dde}

#introduction{padding-bottom: 65px;display: none;}
#introduction ul{display: flex;display: -webkit-flex;justify-content: space-between;flex-wrap: wrap;-webkit-justify-content: space-between;-webkit-flex-wrap: wrap;}
#introduction ul li{margin-top:60px;width: 48%;min-width: 300px;}
#introduction ul li:nth-child(1){width: 100%;}
#introduction ul li h3{font-size: 22px;color: #258dde;padding-bottom: 25px;}
#introduction ul li h3 span{display: inline-block;width: 30px;height: 30px;text-align: center;line-height: 30px;background-color: #258dde;color: #fff;margin-right:15px;}
#introduction ul li p{color: #666;line-height: 32px;}
#certification{background: -webkit-linear-gradient( left,#b2b2b2,#f5f5f5);padding: 50px 0 85px 0;display: none;}
#certification .title{display: flex;display: -webkit-flex;justify-content: space-between;border-bottom: 1px solid #258dde;-webkit-justify-content: space-between;}
#certification .title h3{color: #fff;font-size: 22px;background: url(../images/page_product_04.png) left center  no-repeat;width: 148px;height: 45px;line-height: 45px;text-align: center;}
#certification .img{padding-top:60px;}
#certification ul{display: flex;display: -webkit-flex;justify-content: space-between;flex-wrap: wrap;-webkit-justify-content: space-between;-webkit-flex-wrap: wrap;}
#certification ul li{margin: 10px 0}
#size{padding-top: 50px;display: none;}
#size .title h3{color: #fff;font-size: 22px;line-height: 45px;text-align: center;background-color: #258dde}
#size .img{text-align: center;padding-top:35px;}
#contact{padding: 25px 0 95px 0;display: none;}
#contact .title{display: flex;display: -webkit-flex;justify-content: space-between;border-bottom: 1px solid #258dde;-webkit-justify-content: space-between;}
#contact .title h3{color: #fff;font-size: 22px;background: url(../images/page_product_04.png) left center  no-repeat;width: 148px;height: 45px;line-height: 45px;text-align: center;}
#contact .con{width: 100%;padding-top: 35px;}
#contact .con tr{display: flex;display: -webkit-flex;justify-content: space-between;width: 100%;-webkit-justify-content: space-between;}
#contact .con thead th{width: 130px;height: 48px;text-align: center;line-height: 48px;font-family:'microsoft yahei Bold';font-size: 18px;color: #fff;background-color: #258dde}
#contact .con thead th:nth-child(1){width: 667px;text-align: left;padding-left: 55px;}
#contact .con tbody{max-width:1200px;;height: 250px;display: flex;display: -webkit-flex;align-items: center;flex-wrap:wrap;-webkit-align-items: center;-webkit-flex-wrap:wrap;}
#contact .con tbody td{width: 130px;height: 60px;background-color: #f0f0f0;box-sizing: border-box;padding:10px;display: flex;display: -webkit-flex;justify-content: center;align-items: center;flex-wrap: wrap;-webkit-justify-content: center;-webkit-align-items: center;-webkit-flex-wrap: wrap}
#contact .con tbody td:nth-child(1){width: 667px;text-align: left;padding-left: 55px;}
#contact .con tbody td:nth-child(1) span{display: block;text-align: left;width: 100%;}
.on{display: block!important;}
/*走进久恩页*/
.page_content{margin: 60px auto;}
.page_content .page_about{display: flex;display: -webkit-flex;justify-content: space-between;-webkit-justify-content: space-between}
.page_content .page_about  .con{width: 850px;}
.page_content  .con p{font-size: 15px;line-height: 30px;text-indent: 30px;margin-top:60px;color: #666666;}
.page_content  .con p:first-child{margin: 0}
.page_content  .con p:last-child{text-align: center;}
.page_about .sidebar ul li a{padding:20px 0;width: 100%;display: inline-block;font-size: 16px;color: #666666;}
.page_about .sidebar ul .active a{background-color: #258dde;color: #fff;}
.page_about .sidebar ul{width: 100%;height: 952px;background: url(../images/page_sidebar.jpg) center bottom repeat-y;padding-top:37px;}
.page_about .sidebar ul li a:hover{background-color: #258dde;color: #fff;}

/*资质证书页*/
.page_content  .con ul{display: flex;display: -webkit-flex;justify-content: space-around;flex-wrap: wrap;-justify-content: space-around;-webkit-flex-wrap: wrap;}
.page_content  .con ul li{width:200px;text-align: center;margin-top: 37px; }
.page_content  .con ul li a{display: block;box-sizing: border-box;padding: 5px;border: 1px solid #ccc;}
.page_content  .con ul li a:hover{background-color: #248dde;border: 1px solid #248dde;color: #fff;}
.page_content  .con ul li b{font-weight: normal;display: inline-block;height: 42px;line-height: 50px;}
.page_content  .con ul .emp{height: 0;border: none;margin-top: 0;margin-bottom: 0;visibility: hidden;}

/*工程案例页*/
.page_content .page_case .con ul li{width:270px;text-align: center;margin-top: 37px; }
.pagination{position: relative;text-align: center;color: #666;}
.pagination a{width: 45px;min-height: 30px;border: 1px solid #ccc;display: inline-block;text-align: center;line-height: 30px;margin: 2px;color: #666;}
.pagination a:hover{border-color: #248dde;color: #fff;background-color: #248dde}
.pagination .active{border-color: #248dde;color: #fff;background-color: #248dde}
/*工程案例详情页*/
.page_cased  .con p:first-child{text-align: center;margin-top: 40px;text-indent: 0}
.page_cased  .con p{margin-top: 20px;}
.page_cased .con p:last-child{text-align: left;text-indent: 0}
.switch{margin-top: 20px;}
.switch div{color: #666666;margin:5px 0;}
.switch div a{color: #666666;}
.switch div a:hover{color: #248dde;}
/*服务中心页*/
.page_content .page_service  .con h3{margin-top:45px;margin-bottom: 10px;font-size: 22px;color: #258dde}
.page_content .page_service  .con p:first-child{margin-top: 60px;}
.page_content .page_service  .con p{margin-top:0;}

/*联系我们页*/
.page_contact .way{display: flex;display: -webkit-flex;justify-content: space-between;flex-wrap: wrap;width: 100%;-webkit-justify-content: space-between;-webkit-flex-wrap: wrap;}
.way_sidebar{width: 340px;border-right:1px solid #ccc;box-sizing: border-box;padding-right:30px;}
.way_sidebar h3{font-size: 23px;color: #248dde;padding: 8px 0 15px 0;}
.way_sidebar  li{width: 100%!important;text-align: left!important;margin: 0!important;padding:10px 0;
    border-bottom: 1px dashed #ccc;color: #666666}
.page_contact .way .map{padding-left:30px;}
.page_contact .way iframe{width: 830px;height: 288px;overflow: hidden;border:#ccc solid 1px;}
.page_contact .con{padding-top:68px;}
.page_service .con p:last-child{text-align: left;}

@media(max-width: 1280px){
    .product {padding: 29px 0 36px 0;}
    .case {padding: 27px 0 35px 0;}
    .case .con{padding-top:14px;}
    .contact .w1200{padding-top: 30px}
    .contact{height: auto;padding-bottom: 30px}
    .mmenu{display: none;}
}
@media(max-width: 1199px){
    .banner img{min-height: 350px;}
    .menu{display: none}
    .header{padding:10px 0}
    .search{display: none}
    .mmenu_btn{display: block;}
    .w1200{padding: 0 10px;width: 100%;}
    .product{padding:10px }
    .product .con ul{justify-content: space-around;width: 650px;margin: 0 auto;-webkit-justify-content: space-around;}
    .product .con ul li:nth-child(2){order: 3;width: 100%;height: auto;}
    .product .con ul li:nth-child(4){position: relative;}
    .product .con ul li:nth-child(5){position: relative;}
    .product .con ul li .list ul{width: auto;height: auto;}
    .product .con ul li{width: 49%;height: auto;margin-top:5px;}
    .product .con ul li img{height: auto;}
    .product .con ul li .list ul li{margin-top:0;}
    .service .w1200{justify-content: center;padding:20px 0;-webkit-justify-content: center;}
    .about_r ul li{width: 130px;margin: 5px 2px 0px 2px}
    .contact .w1200 .con{justify-content: center;-webkit-justify-content: center;}
    .contact .con_r{display: none}
    .case .con ul{width: 600px;flex-wrap: wrap;margin: 0 auto;-webkit-flex-wrap: wrap;}
    .case .con ul li:last-child{width: 100%;}
    .contact .con{padding-top: 20px}
    #certification ul{max-width: 680px;margin: 0 auto;}
    #certification ul li{margin: 10px;}
    .page_con_2 .column ul{width: 100%}
    .page_con_2 .column ul li a{font-size: 14px;}
    .sidebar{width: 270px;}
    .page_product .con{width: 690px;}
    .page_product .con li .text{width: 330px;}
    .way_sidebar{padding-right: 11px;}
    .page_contact .way .map{padding-left: 10px;}
    .page_contact .way iframe{width: 620px;}
    #contact .con{overflow-x: scroll}
}
@media(max-width: 991px){
    /*.carousel-inner>.item>a>img, .carousel-inner>.item>img{min-height: 150px}*/
    .banner img{min-height: 150px;}
    .service .w1200 .list ul li:nth-child(2n+1) {width: 100px;height: 100px;border-radius: 50px;}
    .about_con{justify-content: center;-webkit-justify-content: center;}
    .about_r{display: none}
    .case .con ul{justify-content: center;-webkit-justify-content: center;}
    .case .con ul li:last-child{width: 600px;}
    .page_product{justify-content: center;padding:20px 0;-webkit-justify-content: center;}
    .sidebar{display: none}
    .page_content{margin: 30px auto;}
    .page_content .con p{margin-top: 30px;}
    .mmenu{top:60px;}
    .header .w1200 .logo{width: 70px;}
    .page_contact .way .map{margin: 20px auto;padding:0}
    .way_sidebar{margin-right: 0;border: none;width: 100%;padding: 0}
    .page_contact .con{margin-top: 30px;}
    .page_content .page_service .con p:first-child{margin-top: 30px;}
    .page_content .page_service .con h3{margin-top: 25px;}
    .page_cased .con p:first-child{margin-top: 20px;}
}
@media(max-width: 767px){
    .title h2{font-size: 24px;}
    .title p{font-size: 16px;}
    .product .con ul{width: 100%;height: auto;}
    .service{height: auto;}
    .service .w1200 .title{width: 100%;}
    .service .w1200 .title span{left:50%;margin-left:-135px;}
    .service .w1200 .list ul{justify-content: center;width: 200px;-webkit-justify-content: center;}
    .service .w1200 .list ul li:nth-child(2n+1){width: 200px;height: 200px;border-radius: 100px;}
    .service .w1200 .list ul li:nth-child(2n){width: 1px;height: 50px;}
    .about{height: auto;padding-top:50px;}
    .about_l{width: 100%;height: auto;max-height: 630px;padding:20px;}
    .about_txt h2{font-size: 24px;}
    .about_txt p{padding-top: 110px;line-height: 1.6}
    .about_txt_02 p{padding-top: 13px;}
    .about_img{display: none;}
    .about_txt_02 p{width: 100%;}
    .case .con ul{width: 440px;}
    .case .con ul li{width: 50%;}
    .case .con ul li .case_i{display: inline-block;width: 100%;}
    .case .con ul li img{width: 100%}
    .case .con ul li:nth-child(3){display: none;}
    .contact .con_l{width: 100%;overflow: scroll;}
    #certification ul{justify-content: center;-webkit-justify-content: center;}
    .page_con_1 .paged_product .title{font-size: 16px;}
    #contact .title h3{font-size: 18px;}
    #size .title h3{font-size: 16px;line-height: 30px;}
    .page_con_1 .return{display: none}
    #introduction ul li{margin-top: 30px;width: 100%}
    #introduction ul li h3{padding-bottom: 15px;font-size: 18px;}
    .page_product .con li{height: 150px;}
    .page_product .con li .img{width: 130px;height: 114px;}
    .page_product .con li .text{width: 200px;}
    .page_product .con li .details{width: 100px;}
    .page_product .con li .text .hr{margin: 10px 0}
    .page_product .con li .details span{padding-right: 10px;}
    .mmenu{top:60px;}
    .header .w1200 .logo{width: 60px;}
    .page_content .con ul li{margin-top: 25px;}
    .page_contact .way .map{margin: 20px auto;padding:0;}
    .page_contact .way iframe{width: 440px}
    .page_content .page_service .con p:first-child{margin-top: 20px;}
    .page_content .page_service .con h3{margin-top: 20px}

}
@media(max-width: 459px){
    .product .con ul li .list{width: 100%}
    .product .con ul li .list ul li{width: 49%}
    .footer_col_1{height: auto}
    .footer_col_1 .w1200 .left{width: 100%;}
    .footer_col_1 .w1200 .left li{float: left;margin:0 10px;}
    .footer_col_1 .w1200 .center{border: none;width: 100%;justify-content:flex-start;-webkit-justify-content:flex-start;}
    .footer_col_1 .w1200 .right{display: none;}
    .about_txt h2{font-size: 18px}
    .case .con ul{width: 100%;}
    .footer_col_2{height: auto;}
    .footer_col_2 .w1200 p{color: #b5b5b5;font-size: 12px;line-height: 24px;}
    .chip{height: 45px;line-height: 45px;overflow: hidden;}
    .chip .w1200{justify-content: flex-end;-webkit-justify-content: flex-end;}
    .chip .w1200 div{margin-left:5px;}
    .chip .w1200 div a{margin-left: 5px;font-size: 12px;}
    .page_product .con{width: 100%;}
    .page_product .con li{box-sizing: border-box;padding:0 10px;height: 120px;}
    .page_product .con li .img{display: none}
    .page_product .con li .text{width: 180px;}
    .page_product .con li .text .title{font-size: 16px;}
    .page_product .con li .text .des{font-size: 12px;}
    .page_product .con li .details{width: 100px;}
    .page_product .con .more a{width: 150px;padding:0 10px;}
    .page_product .con .more a img{width: 50px;}
    .page_content .con p:last-child{text-align: left;}
    .page_content .con p img{width: 92%;}
    .mmenu .nav ul li a{font-size: 16px;}
    .page_content .con ul li{margin-top: 15px;}
    .page_contact .way iframe{width: 300px}
    .page_contact .con{padding-top: 0;margin-top: 15px;}

    .service .w1200 .list ul{width: 150px;}
    .service .w1200 .list ul li:nth-child(2n+1){width: 150px;height: 150px;border-radius: 75px;}
    .page_content .page_service .con p:first-child{margin-top: 10px;}
    .page_content .page_service .con h3{margin-top: 15px}
}