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

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

a {
    text-decoration: none;
}
i,em{
    font-style: normal;
    display: block;
}
img{
    border: none;
}
/*header*/
.header{
    width: 1350px;
    margin: 20px auto;
    overflow: hidden;
    position: relative;
    z-index: 111;
}
.logo,.nav{
    float: left;
    height: 95px;
    border-radius: 10px;
}
.logo{
    background: #fff;
    width: 465px;
    position: relative;
}
.logo img{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin:  auto;
}
.nav{
    background: #0478df;
    margin-left: 15px;
    width: 870px;
    box-sizing: border-box;
    padding: 0 25px;
}
.nav li{
    line-height: 95px;
    text-align: center;
    float: left;
    width: 102px;
    position: relative;
}
.nav li.active::before{
    content: '';
    display: block;
    width: 11px;
    height: 11px;
    background: url(../images/icon.png) -44px -25px no-repeat;
    position: absolute;
    top: 44%;
    left: 82%;
    margin-left: -5.5px;
    margin-top: -5.5px;
    z-index: 0;
}
.nav li a{
    color: #fff;
    display: block;
    width: 100%;
    height: 100%;
    z-index: 111;
}
/*banner*/
.banner{
    height: 940px;
    position: relative;
    margin-top: -135px;
}
.banner .swiper-container {
    height: 940px;
    width: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
}
.banner .swiper-slide {
    height: 940px;
}

.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: #0162ef;
    margin: 0 3px;
    cursor: pointer;
}

.banner .swiper-active-switch {
    width: 15px;
    height: 15px;
    border-radius: 20px;
    background: #fff;
}
.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;
}
/*pro*/
.pro{
    background: url(../images/pro_bg.jpg) top center no-repeat;
    padding: 50px 0;
}
.tit{
    text-align: center;
}
.tit h3{
    font-size: 45px;
    color: #0a60c4;
}
.tit h3 em,.tit h3 i{
    display: inline-block;
    position: relative;
    z-index: 11;
}
.tit h3 i{
    margin-left: 8px;
    color: #333;
}
.tit h3 i::after{
    content: '';
    display: block;
    width: 23px;
    height: 23px;
    background: url(../images/icon.png) -13px -18px no-repeat;
    position: absolute;
    right: -8px;
    top: 4px;
    z-index: -1;
}
.tit p{
    font-size: 15px;
    color: #333;
    margin-top: 8px;
}
.pro_con{
    width: 1350px;
    margin: 25px auto 0 auto;
    overflow: hidden;
}
.pro_l{
    float: left;
    width: 315px;
    height: 565px;
    background: url(../images/pro_l.png) center center no-repeat;
    box-sizing: border-box;
}
.pro_l>ul>li{
    margin: 15px 0;
    width: 100%;
    box-sizing: border-box;
    padding: 0 10px 25px 10px;
    position: relative;
    overflow: hidden;
}
.pro_l>ul>li span,.pro_l>ul>li em{
    float: left;
}
.pro_l>ul>li::after{
    content: '';
    width: 100%;
    height: 1px;
    background: rgba(255,255,255,.2);
    position: absolute;
    bottom: 0;
    left: 0;
}
.pro_l>ul>li:last-child:after{
    background: transparent;
}
.pro_l>ul>li em{
    margin-left: 10px;
    margin-top: 5px;
}
.pro_l>ul>li span{
    display: block;
    width: 105px;
    height: 75px;
}
.pro_l>ul>li a{
    color: #fff;
}
.pro_l>ul>li em h3{
    font-weight: normal;
    font-size: 20px;
}
.pro_l>ul>li em h3::before{
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 10px;
    height: 10px;
    background: url(../images/icon.png) -44px -25px no-repeat;
    margin-right: 8px;
}
.er {
    margin-top: 5px;
}
.er li{
    font-size: 15px;
    float: left;
    margin-right: 5px;
}
.er li::after{
    content: '/';
    color: #fff;
    font-size: 14px;
    display: inline-block;
    vertical-align: middle;
    margin-left: 5px;
}
.er li:last-child:after{
    content: '';
}
.pro_r{
    width: 1000px;
    float: left;
    margin-left: 30px;
    overflow: hidden;
}
.pro_r ul{
    position: relative;
}
.pro_r ul li{
    float: left;
    width: 325px;
    margin: 2px;
    position: relative;
    overflow: hidden;
    height: 275px;
}
.pro_r ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.pro_r ul li img{
    width: 100%;
    height: auto;
    min-height: 275px;
    transition: all 0.6s;
}
.pro_r ul li i{
    position: absolute;
    bottom: -40px;
    left: 0;
    width: 100%;
    height: 40px;
    line-height: 40px;
    background: #046ac5;
    font-size: 15px;
    text-align: center;
    color: #fff;
    transition: all 0.6s;
}
.pro_r ul li:hover img{
    transform: scale(1.1);
}
.pro_r ul li:hover i{
    bottom: 0;
}
.pro_r ul li em{
    width: 87px;
    height: 49px;
    background: url(../images/icon.png) -90px -17px no-repeat;
    position: absolute;
    top: 0;
    left: 0;
}
/*com*/
.com{
    width: 100%;
    height: 650px;
    background: url(../images/com_bg.jpg) center center no-repeat;
    box-sizing: border-box;
    margin-top: 30px;
}
.com_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}
.com_l{
    width: 630px;
    float: left;
    height: 650px;
}
.com_l p{
    font-size: 15px;
    color: #333;
    line-height: 25px;
    margin-top: 30px;
}
.com_l a{
    display: block;
    width: 145px;
    height: 35px;
    border-radius: 20px;
    text-align: center;
    color: #fff;
    font-size: 15px;
    line-height: 35px;
    background: #205dbf;
    margin-top: 30px;
}
.com_l a:hover{
    background: #df7e30;
}
.com_r{
    float: right;
}
.com_f{
    position: absolute;
    bottom: 42px;
    left: 0;
}
.com_f ul li{
    float: left;
    width: 160px;
    text-align: center;
    color: #fff;
    cursor: pointer;
}
.com_f ul li em{
    display: block;
    width: 67px;
    height: 56px;
    margin: 15px auto;
    background-image: url(../images/icon.png);
    transition: all 0.6s;
}
.com_f ul li:hover em{
    transform: rotateZ(360deg);
}
.com_f ul li:nth-child(1) em{
    background-position: -198px -11px;
}
.com_f ul li:nth-child(2) em{
    background-position: -273px -14px;
}
.com_f ul li:nth-child(3) em{
    background-position: -354px -11px;
}
.com_f ul li:nth-child(4) em{
    background-position: -426px -13px;
}
/* case */
.case{
    margin: 35px auto;
}
.case_con{
    width: 1350px;
    margin: 10px auto;
    overflow: hidden;
}
.case_go {
    width: 99999px;
    position: relative;
}
.case_go ul li{
    float: left;
    width: 330px;
    margin: 10px 5px;
    height: 270px;
    position: relative;
    overflow: hidden;
}
.case_go ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.case_go ul{
    float: left;
}
.case_go ul li img{
    width: 100%;
    height: auto;
    min-height: 270px;
    transition: all 0.6s;
}
.case_go ul li em{
    width: 100%;
    height: 40px;
    line-height: 40px;
    text-align: center;
    color: #fff;
    background: rgba(0,102,181,.8);
    position: absolute;
    left: 0;
    bottom: 0;
}
.case_go ul li:hover img{
    transform: scale(1.1);
}
/* adv */
.adv{
    width: 100%;
    height: 740px;
    box-sizing: border-box;
    background: url(../images/adv_bg.jpg) center center no-repeat;
}
.adv_tit{
    text-align: center;
}
.adv_tit p{
    font-size: 18px;
    color: #fff;
    margin-top: 8px;
}
.adv_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
    box-sizing: border-box;
    padding-top: 62px;
}
.adv_con ul li{
    float: left;
    position: relative;
    width: 630px;
    height: 180px;
    background: #fff;
    margin:  5px ;
    box-sizing: border-box;
    padding: 20px 170px 25px 33px;
}
.adv_con ul li h3{
    font-size: 28px;
    color: #2472c4;
    position: relative;
}
.adv_con ul li h3::after{
    content: '';
    display: inline-block;
    width: 11px;
    margin-left: 5px;
    margin-bottom: 13px;
    height: 11px;
    background: url(../images/icon.png) -44px -25px no-repeat;
}
.adv_con ul li i{
    font-size: 14px;
    color: #666;
    margin: 6px 0 3px 0;
}
.adv_con ul li p{
    font-size: 15px;
    color: #333;
    line-height: 25px;
}
.adv_con ul li em{
    position: absolute;
    width: 167px;
    height: 169px;
    background-image: url(../images/icon.png);
}
.adv_con ul li:nth-child(even){
    text-align: right;
    padding: 20px 33px 25px 170px;
}
.adv_con ul li:nth-child(1) em{
    right: 0;
    bottom: 0;
    background-position: -13px -102px;
}
.adv_con ul li:nth-child(2) em{
    left: 0;
    bottom: 0;
    background-position: -206px -102px;
}
.adv_con ul{
    margin: 30px auto;
}
.adv_con ul li:nth-child(3) em{
    right: 0;
    top: 0;
    background-position: -13px -280px;
}
.adv_con ul li:nth-child(4) em{
    left: 0;
    top: 0;
    background-position: -205px -281px;
}
.adv_con a{
    display: block;
    width: 450px;
    height: 62px;
    background: url(../images/adv_a.png) center center no-repeat;
    color: #fff;
    box-sizing: border-box;
    line-height: 62px;
    margin: 30px auto;
    padding-left: 39px;
}
.adv_con a em{
    font-size: 32px;
}
.adv_con a em,.adv_con a i{
    display: inline-block;
    vertical-align: middle;
}
.adv_con a em::before{
    content: '';
    display: inline-block;
    width: 28px;
    height: 39px;
    background: url(../images/icon.png) -502px -18px no-repeat;
    vertical-align: middle;
    margin-bottom: 9px;
}
.adv_con a i{
    color: #333;
    width: 120px;
    height: 30px;
    background: #fff;
    border-radius: 20px;
    text-align: center;
    line-height: 30px;
    margin-left: 20px;
}
/*news*/
.news{
    width: 1350px;
    margin: 40px auto;
    overflow: hidden;
}
.news>ul>li{
    float: left;
    width: 430px;
    margin: 0 10px;
}
.news>ul>li span{
    display: block;
    width: 430px;
    height: 230px;
    overflow: hidden;
    position: relative;
}
.news>ul>li span img{
    width: 100%;
    height: auto;
    min-height: 230px;
    transition: all 0.6s;
}
.news>ul{
    margin-top: 30px;
}
.news>ul>li span a{
    display: block;
    width: 100%;
    height: 100%;
}
.news>ul>li:hover img{
    transform: scale(1.1);
}
.news>ul>li span em{
    width: 250px;
    height: 60px;
    line-height: 60px;
    color: #fff;
    text-align: center;
    font-size: 25px;
    font-weight: bold;
    position: absolute;
    bottom: 0;
    left: 50%;
    margin-left: -125px;
    background: url(../images/news1.jpg) center center no-repeat;
}
.n_u{
    margin-top: 20px;
}
.n_u li{
    width: 100%;
    line-height: 50px;
    border-bottom: 1px dotted #e6dfdf;
    height: 50px;
}
.n_u li a{
    display: block;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    color: #333;
    font-size: 15px;
    padding: 0 10px;
}
.n_u li a::before{
    content: '';
    display: inline-block;
    width: 9px;
    height: 9px;
    background: url(../images/icon.png) -57px -26px no-repeat;
    vertical-align: middle;
    margin-right: 15px;
}
.n_u li a:hover{
    color: #d14233;
}
/*footer*/
.footer{
    background: #262a2d;
    position: relative;
}
.f_nav{
    height: 60px;
   
    background: #1c2124;
}
.f_nav_con,.f_b_con{
    width: 1350px;
    margin: 0 auto;
    position: relative;
}
.f_b_con{
    padding: 45px 0;
}
.f_nav_con::after,.f_b_con::after{
    content: '';
    display: block;
    clear: both;
}
.f_nav_con ul li{
    float: left;
    width: 140px;
    text-align: center;
    position: relative;
    line-height: 60px;
}
.f_nav_con ul li::after{
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    position: absolute;
    right: 0;
    top: 10px;
    background: #313131;
}
.f_nav_con ul li:last-child::after{
    background: transparent;
}
.f_nav_con ul li a{
    color: #b3b3b3;
    font-size: 15px;
}
.f_logo,.f_contact,.f_phone{
    float: left;
    margin-right: 100px;
    position: relative;
}
.f_logo::after,.f_contact::after{
    content: '';
    display: block;
    width: 1px;
    height: 115px;
    background: #3a3838;
    position: absolute;
    right: -54px;
    top: 0;
}
.f_logo span{
    display: block;
    width: 122px;
    height: 102px;
}
.f_contact p,.f_contact p a{
    font-size: 15px;
    line-height: 35px;
    color: #b3b3b3;
    overflow: hidden;
}
.f_contact p a{
    /* float: left; */
}
.f_phone em{
    width: 200px;
    height: 45px;
    text-align: center;
    line-height: 45px;
    background: #005bac;
    font-size: 14px;
    color: #fff;
      margin-bottom: 8px;
}
.f_phone i{
    text-align: center;
    color: #bcbcbc;
    font-size: 33px;
}
.f_ewm{
    width: 160px;
    background: #3d4144;
    text-align: center;
    position: absolute;
    right: 0;
    top: 0;
}
.f_ewm em{
    height: 60px;
    width: 100%;
    line-height: 60px;
    text-align: center;
    color: #fff;
    font-size: 15px;
    background: #f26f03;
}
.f_ewm em a{
    color: #fff;
}
.f_ewm span{
    display: block;
    width: 160px;
}
.f_ewm span img{
    margin: 15px auto 10px auto;
}
.f_ewm span i{
    text-align: center;
    color: #fff;
    font-size: 14px;
    line-height: 25px;
}