.main {max-width:640px;margin:auto;}
.main .banner {overflow:hidden;position:relative;}
.main .banner ul li {float:left;}
.main .banner ul li img {width:640px;}
.main .tab {width:188px;display:flex;justify-content:space-between;position:absolute;bottom:10px;left:50%;margin-left:-94px;}
.main .tab span {display:block;width:50px;height:11px;background:#fff;float:left;margin:0 4px;}
.main .tab span.on {background:#216def;}
.main .head_nav ul {display:flex;position:relative;}
.main .head_nav ul:after {content:"";position:absolute;bottom:0;left:0;height:1px;width:100%;background:#e0e0e0;z-index:9999;}
.main .head_nav ul li {flex:1;background:#f0f0f0;/* border:1px solid #cdcdcd;*/padding-top:20px;position:relative;}
.main .head_nav ul li:after {content:"";position:absolute;top:0;right:0;height:100%;width:1px;background:#e0e0e0;z-index:9999;}
.main .head_nav ul li a {display:block}
.main .head_nav ul li a img {display:block;margin:0 auto;max-width:36%;}
.main .head_nav ul li a span {display:block;text-align:center;font-size:22px;line-height:2;margin-top:6px;padding-bottom:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.about {letter-spacing:1px;}
.about .part1-t {padding:0;}
.about .part1-t {text-align:center;padding:32px 0 8px}
.about .part1-t .part1-t-t {font-size:30px;color:#b0b8c1;text-transform:uppercase;position:relative;}
.about .part1-t .part1-t-t:after {display:block;content:"";position:absolute;left:50%;top:45px;width:32px;height:3px;margin-left:-16px;background:#EC9125;}
.about .part1-t .part1-t-b {color:#606060;font-size:24px;letter-spacing:1.5px;padding-top:0px;padding-bottom:10px;}
.about_info {padding:0 20px 20px;display:flex;flex-flow:wrap;}
.about_info .about_info_l img {border-radius:5px;}
.about_info_r {width:100%;padding:24px 14px 14px;line-height:1.75;color:#333;text-indent:2em;font-size:22px;text-align:justify;letter-spacing:0;}
.product {background:#efefef;padding:0 0 30px;letter-spacing:1px;}
.product .part1-t {padding:0;}
.product .part1-t {text-align:center;padding:32px 0 8px}
.product .part1-t .part1-t-t {font-size:30px;color:#b0b8c1;text-transform:uppercase;position:relative;}
.product .part1-t .part1-t-b {color:#606060;font-size:24px;letter-spacing:1.5px;padding-top:0px;padding-bottom:10px;}
.product .part1-t .part1-t-t:after {display:block;content:"";position:absolute;left:50%;top:45px;width:32px;height:3px;margin-left:-16px;background:#EC9125;}
.product_info ul {padding:0 3.5% 15px;display:flex;justify-content:space-between;flex-wrap:wrap;}
.product_info ul li.list {width:48%;background:#216def;color:#fff;padding:5.5% 4.5% 5%;border-radius:5px;box-sizing:border-box;}
.product_info ul li.list:nth-child(3),.product_info ul li.list:nth-child(4) {margin-top:15px;}
.product_info ul li.list:nth-of-type(2),.product_info ul li.list:nth-of-type(3) {background:#333;}
.product_info ul li.list a {color:inherit;}
.product_info ul li.list a .list-t img {width:32%;margin:0 auto;display:block;}
.product_info ul li.list a .list-t span {text-align:center;display:block;padding-top:14px;font-size:28px;font-weight:800;}
.product_info ul li.list a .list-t div {font-size:21px;padding-top:8px;text-align:justify;}
.service {padding:0 0 30px;letter-spacing:1px;}
.service .part1-t {padding:0;}
.service .part1-t {text-align:center;padding:32px 0 8px}
.service .part1-t .part1-t-t {font-size:30px;color:#b0b8c1;text-transform:uppercase;position:relative;}
.service .part1-t .part1-t-b {color:#606060;font-size:24px;letter-spacing:1.5px;padding-top:0px;padding-bottom:10px;}
.service .part1-t .part1-t-t:after {display:block;content:"";position:absolute;left:50%;top:45px;width:32px;height:3px;margin-left:-16px;background:#EC9125;}
.service_info {padding:0 0 15px;}
.service_info ul {}
.service_info ul li.list {width:90%;border:1px solid #e9e9e9;border-radius:6px;margin:0 auto;padding:2%;box-sizing:border-box;}
.service_info ul li.list .list-box {background:#fff0dd;border-radius:6px;padding:5% 6%;display:flex;flex-flow:wrap;}
.service_info ul li.list:nth-of-type(2) .list-box {background:#d4e4ff;}
.service_info ul li.list:nth-of-type(3) .list-box {background:#c6e8dc;}
.service_info ul li.list .list-box .list-box-l {}
.service_info ul li.list .list-box .list-box-l img {width:76px;}
.service_info ul li.list .list-box .list-box-r {padding-left:28px;}
.service_info ul li.list .list-box .list-box-r span:nth-of-type(1) {display:block;font-size:24px;font-weight:800;color:#333;padding-top:4px;padding-bottom:12px;}
.service_info ul li.list .list-box .list-box-r span:nth-of-type(2) {font-size:22px;color:#666;line-height:1;}
.service_info ul li.list + .list {margin-top:15px;}
.factory {background:#efefef;letter-spacing:1px;}
.factory .part1-t {padding:0;}
.factory .part1-t {text-align:center;padding:32px 0 8px}
.factory .part1-t .part1-t-t {font-size:30px;color:#b0b8c1;text-transform:uppercase;position:relative;}
.factory .part1-t .part1-t-b {color:#606060;font-size:24px;letter-spacing:1.5px;padding-top:0px;padding-bottom:10px;}
.factory .part1-t .part1-t-t:after {display:block;content:"";position:absolute;left:50%;top:45px;width:32px;height:3px;margin-left:-16px;background:#EC9125;}
.factory_info {padding:0 3.5% 15px;}
.factory_info ul {display:flex;flex-flow:wrap;justify-content:space-between;}
.factory_info ul li {width:31%;border:1px solid #e5e5e5;margin-bottom:2.5%;}
.factory_info ul li a {}
.factory_info ul li a img {width:100%;border-radius:4px;}