* {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

ul {
    list-style: none;
    overflow: hidden;
}

a {
    text-decoration: none;
}
i,em{
    font-style: normal;
    display: block;
}
img{
    border: none;
}
/*header*/
.header{
    box-shadow: 0 0 5px rgba(0,0,0,.3);
    position: relative;
    z-index: 111;
    height: 110px;
}
.h_con,.hot_con,.com_con{
    width: 1250px;
    margin: 0 auto;
    overflow: hidden;
}
.logo,.nav{
    float: left;
}
.nav{
    margin-left: 60px;
}
.nav li{
    float: left;
    line-height: 110px;
    text-align: center;
    width: 105px;
}
.nav li.active{
    background: #1c5bbe;
}
.nav li.active a{
    color: #fff;
}
.nav li a{
    color: #333;
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
}
.nav li.active a::after{
    width: 100%;
}
.nav li a::after{
    content: '';
    display: block;
    width: 0;
    height: 3px;
    background: #ffb600;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all 0.6s;
}
/*banner*/
.banner{
    height: 680px;
}
.banner .swiper-container {
    height: 680px;
    width: 100%;
    overflow: hidden;
}
.banner .swiper-slide {
    height: 680px;
}

.banner:hover .pagination {
    opacity: 1;
}

.banner:hover .arrow-left {
    opacity: 1;
}

.banner:hover .arrow-right {
    opacity: 1;
}

.banner .pagination {
    position: absolute;
    z-index: 20;
    bottom: 20px;
    text-align: center;
    width: 100%;
    opacity: 0;
    transition: all 0.5s;
}

.banner .swiper-pagination-switch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #1c5bbe;
    margin: 0 3px;
    cursor: pointer;
}

.banner .swiper-active-switch {
    width: 15px;
    height: 15px;
    border-radius: 20px;
    background: #ff9600;
}

.banner .arrow-left {
    background: url(../images/b_arrow.png) no-repeat left bottom;
    position: absolute;
    left: 30px;
    top: 50%;
    margin-top: -25px;
    width: 50px;
    height: 50px;
    z-index: 222;
    opacity: 0;
    transition: all 0.5s;
}

.banner .arrow-right {
    background: url(../images/b_arrow.png) no-repeat right bottom;
    position: absolute;
    right: 30px;
    top: 50%;
    margin-top: -25px;
    width: 50px;
    height: 50px;
    z-index: 222;
    opacity: 0;
    transition: all 0.5s;
}
/*hot*/
.hot{
    background: #f7f7f7;
}
.hot_con span{
    float: left;
    font-size: 15px;
    color: #333;
    line-height: 60px;
    font-weight: bold;
}
.hot_con span::before{
    display: inline-block;
    content: '';
    background: url(../images/icon.png) -6px -5px no-repeat;
    width: 17px;
    height: 23px;
    vertical-align: middle;
    margin-bottom: 5px;
    margin-right: 12px;
}
.hot_con ul{
    float: left;
}
.hot_con ul li{
    margin: 0 10px;
    float: left;
}
.hot_con ul li a{
    color: #333;
    font-size: 15px;
    line-height: 60px;
}
.hot_con ul li:hover a{
    color: #1c5bbe;
}
/*pro*/
.pro{
    background: url(../images/pro_bg.jpg) center center no-repeat;
    padding: 50px 0;
}
.pro_con{
    width: 1250px;
    margin: 0 auto;
    overflow: hidden;
}
.pro_l,.pro_r{
    float: left;
}
.pro_l{
    width: 265px;
}
.pro_l>span{
    display: block;
    border-top: 3px solid #ffb600;
    background: #1c5bbe;
    position: relative;
    color: #fff;
    height: 95px;
    box-sizing: border-box;
}
.pro_l>span::before{
    content: '';
    display: block;
    width: 50px;
    height: 45px;
    background: url(../images/icon.png) -37px -7px no-repeat;
    position: absolute;
    top: 50%;
    left: 40px;
    margin-top: -20px;
}
.pro_l>span>em{
    font-size: 28px;
    font-weight: bold;
    margin: 20px 0 0 100px;
}
.pro_l>span>i{
    color: #558fea;
    font-size: 12px;
    text-transform: uppercase;
    margin-top: 5px;
    margin-left: 100px;
}
.pro_l ul{
    border: 3px solid #1c5bbe;
    box-sizing: border-box;
}
.pro_l ul li{
    overflow: hidden;
    background: #eeeeee;
    margin: 15px auto;
    width: 99%;
    border-top-left-radius: 32px;
    border-bottom-left-radius: 32px;
}
.pro_l ul li:hover{
    background: #ffb600;
}
.pro_l ul li:hover em{
    color: #fff;
}
.pro_l ul li:hover a::after{
    color: #fff;
}
.pro_l ul li>a{
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.pro_l ul li a span{
    width: 65px;
    height: 65px;
    border-radius: 50%;
    box-sizing: border-box;
    border: 3px solid #fff;
    overflow: hidden;
    float: left;
}
.pro_l ul li a span img{
    width: 100%;
    height: auto;
    min-height: 65px;
}
.pro_l ul li a em{
    float: left;
    line-height: 65px;
    font-size: 15px;
    margin-left: 10px;
    color: #333;
}
.pro_l ul li a::after{
    content: '>';
    display: inline-block;
    font-size: 15px;
    color: #333;
    line-height: 65px;
    float: right;
    margin-right: 20px;
    font-family: '宋体';
}
.pro_l>em{
    background: #3671cf;
    box-sizing: border-box;
    padding: 0 20px 20px 20px;
    height: 220px;
    width: 100%;
}
.pro_l>em{
    width: 265px;
    height: 220px;
    position: relative;
    background: url(../images/pro_ewm.jpg) center center no-repeat;
    margin-top: 15px;
}
.pro_l>em img{
    width: 160px;
    height: 160px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -90px;
    margin-left: -80px;
}
.pro_r{
    width: 960px;
    margin-left: 20px;
}
.pro_top{
    border-top: 3px solid #3671cf;
    overflow: hidden;
    padding: 10px 0;
}
.pro_top span{
    float: left;
    position: relative;
    padding-left: 30px;
}
.pro_top span h3{
    font-size: 20px;
    color: #666;
}
.pro_top span p{
    font-size: 15px;
    color: #666;
    margin-top: 5px;
}
.pro_top span::before{
    content: '';
    display: inline-block;
    width: 15px;
    height: 50px;
    background: #dddddd;
    position: absolute;
    top: 0;
    left: 0;
}
.pro_top em{
    float: right;
    width: 98px;
    height: 48px;
    position: relative;
}
.pro_top em a{
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.pro_top em::before,.pro_top em::after{
    content: '';
    display: inline-block;
    width: 45px;
    height: 48px;
    vertical-align: middle;
    margin: 0 2px;
    background-image: url(../images/icon.png);
    background-repeat: no-repeat ;
}
.pro_top em::before{
    background-position: -110px 0 ;
}
.pro_top em::after{
    background-position: -155px 0;
}
.pro_r ul li{
    float: left;
    width: 310px;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.3);
    margin: 5px;
    padding: 10px;
    box-sizing: border-box;
}
.pro_r ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.pro_r ul li a span{
    display: block;
    width: 290px;
    height: 220px;
    overflow: hidden;
}
.pro_r ul li a span img{
    width: 100%;
    height: auto;
    min-height: 220px;
    transition: all .6s;
}
.pro_r ul li a em{
    width: 100%;
    line-height: 40px;
    background: #f4f4f4;
    color: #333;
    font-size: 15px;
    text-align: center;
    margin-top: 10px;
}
.pro_r ul li:hover img{
    transform: scale(1.1);
}
.pro_r ul li:hover em{
    background: #2b5aa6;
    color: #fff;
}
.pro_litpic{
    height: 660px;
    overflow: hidden;
    margin-top: 17px;
}
.pro_go {
    height: 9999px;
}
/*com*/
.com{
    background: url(../images/com_bg.jpg) center center no-repeat;
    padding: 50px 0 61px 0;
}
.com_t{
    text-align: center;
    color: #fff;
    margin-bottom: 50px;
}
.com_t span{
    font-size: 22px;
}
.com_t h3,.com_t h3 span{
    font-size: 36px;
    margin: 8px 0;
}
.com_t h3 span{
    color: #ffb600;
}
.com_t em{
    font-size: 36px;
}
.com_t em::before{
    content: '';
    display: inline-block;
    width: 24px;
    height: 34px;
    background: url(../images/icon.png) -214px -8px no-repeat;
    margin-bottom: 5px;
    vertical-align: middle;
    margin-right: 10px;
}
.com_b{
    overflow: hidden;
}
.com_l{
    float: left;
    width: 640px;
    color: #333;
    box-sizing: border-box;
    margin-left: 58px;
}
.com_l h3{
    margin-bottom: 10px;
    font-size: 32px;
}
.com_l p{
    font-size: 15px;
    line-height: 30px;
    margin-top: 20px;
}
.com_l a{
    display: block;
    width: 140px;
    line-height: 40px;
    height: 40px;
    text-align: center;
    color: #fff;
    background: #ffb600;
    border-radius: 18px;
    margin-top: 20px;
    font-size: 15px;
}
.com_r{
    float: right;
    margin: 32px 48px 0 0;
}
/*case*/
.case{
    background: url(../images/case_bg.jpg) center bottom no-repeat;
    padding: 15px 0 44px 0;
}
.tit{
    text-align: center;
}
.tit h3{
    font-size: 38px;
    color: #333;
}
.tit p{
    font-size: 15px;
    margin-top: 8px;
    color: #666;
}
.tit p::after,.tit p::before{
    content: '';
    display: inline-block;
    height: 3px;
    width: 270px;
    background-image: url(../images/icon.png);
    background-repeat: no-repeat;
    vertical-align: middle;
    margin-bottom: 3px;
}
.tit p::after{
    background-position: -1px -78px;
    margin-left: 20px ;
}
.tit p::before{
    background-position: -1px -67px;
    margin-right: 20px;
}
.case_con{
    width: 1250px;
    margin: 30px auto;
    overflow: hidden;
}
.case_go{
    width: 99999px;
}
.case_con ul{
    float: left;
}
.case_con ul li{
    float: left;
    width: 350px;
    height: 245px;
    position: relative;
    margin: 0 3px;
    overflow: hidden;
}
.case_con ul li a,.case_con ul li span{
    display: block;
    width: 100%;
    height: 100%;
}
.case_con ul li span img{
    width: 100%;
    height: auto;
    min-height: 245px;
    transition: all 0.6s;
}
.case_con ul li i{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    background: rgba(0,0,0,.3);
    font-size: 15px;
    line-height: 40px;
}
.case_con ul li:hover img{
    transform: scale(1.1);
}
/*heng*/
.heng{
    height: 150px;
    width: 100%;
    background: url(../images/heng.jpg) center center no-repeat;
}
.heng_con{
    width: 1250px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    height: 150px;
}
.heng_con span{
    display: block;
    font-size: 38px;
    color: #fff;
    font-weight: bold;
    position: absolute;
    right: 70px;
    bottom: 32px;
}
/*news*/
.news{
    width: 1250px;
    margin: 50px auto;
    overflow: hidden;
}
.news_l{
    float: left;
    width: 505px;
    margin-top: 5px;
}
.news_l img{
    width: 100%;
}
.news_r{
    float: left;
    width: 715px;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.5);
    margin: 5px 5px 5px 25px;
}
.news_r ul li{
    cursor: pointer;
    overflow: hidden;
    height: 135px;
    box-sizing: border-box;
    color: #333;
    border-bottom: 1px solid #dad8d8;
}
.news_r ul li:last-child{
    border: none;
}
.news_r ul li span{
    float: left;
    height: 100%;
    width: 135px;
    box-sizing: border-box;
    text-align: center;
    border-right: 1px solid #dad8d8;
    padding: 30px;
}
.news_r ul li span em{
    font-size: 38px;
}
.news_r ul li span i{
    margin-top: 5px;
}
.news_r ul li div{
    float: left;
    width: 570px;
    box-sizing: border-box;
    padding: 30px;
}
.news_r ul li div a{
    color: #333;
    font-size: 17px;
}
.news_r ul li div p{
    font-size: 15px;
    color: #666;
    margin-top: 8px;
    line-height: 25px;
}
.news_r ul li.active{
    background: #1c5bbe;
}
.news_r ul li.active span{
    color: #fff;
    border-right: 1px solid #467fda;
}
.news_r ul li.active a{
    color: #fff;
}
.news_r ul li.active p{
    color: #c1d3ef;
}
/*footer*/
.footer{
    background: #333;
    padding: 8px 0 20px 0;
}
.f_con{
    width: 1200px;
    margin: 0 auto;
}
.f_nav ul{
    margin: 10px 0 15px 0;
    height: 60px;
    border-bottom: 1px solid #646464;
}
.f_nav ul li{
    text-align: center;
    width: 14.28%;
    float: left;
    height: 60px;
    line-height: 60px;
}
.f_nav ul li a{
    color: #fcfff5;
}
.f_contact{
    width: 956px;
    height: 30px;
    color: #a4a4a4;
    text-align: center;
    line-height: 30px;
    font-size: 15px;
    margin: 0 auto;
}
.f_contact li{
    float: left;
    margin:  0 10px ;
}
.f_contact li::after{
    content: '';
    height: 16px;
    width: 1px;
    background: #a4a4a4;
    vertical-align: middle;
    display: inline-block;
    margin-left: 14px; 
}
.f_contact li:last-child::after{
    content: '';
    height: 0;
    width: 0;
}
.f_con p{
    text-align: center;
    color: #a4a4a4;
    font-size: 15px;
    line-height: 30px;
    margin-top: 10px;
}
.f_con img{
    vertical-align: middle;
    margin-left: 10px;
    width: 110px;
    margin-right: 10px;
}
.f_con a{
    color: #a4a4a4;
}