*{
    margin: 0;
    padding: 0;
    font-family:Arial, Helvetica, sans-serif ;
}
a{
    text-decoration: none;
}
ul{
    list-style: none;
    overflow: hidden;
}
img{
    border: none;
}
i,em{
    font-style: normal;
}
body{
    position: relative;
}
/*header*/
.header{
    background: #1d2089;
    height: 120px;
    line-height: 120px;
    box-shadow: 0 0 5px rgba(0,0,0,.4);
    position: relative;
    z-index: 111;
}
.h_con{
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}
.logo{
    float: left;
    margin-top: 15px;
}
.nav{
    float: left;
    margin-left: 60px;
}
.nav li{
    float: left;
    width: 120px;
    line-height: 120px;
    text-align: center;
    cursor: pointer;
}
.nav li.active{
    background: #ffa900;
}
.nav li a{
    color: #fff;
}
/*banner*/
.banner{
    height: 680px;
    position: relative;
}
.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: #1d2089;
    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;
}
/*com*/
.com{
  
    padding: 70px 0 50px 0;
}
.com_con{
    width: 1250px;
    margin: 0 auto;
    overflow: hidden;
    
}
.tit{
    text-align: center;
}
.tit span{
    font-size: 34px;
    color: #333;
}
.tit span i{
    font-weight: bold;
    color: #1d2089;
}
.tit p{
    text-align: center;
    color: #666;
    text-transform: uppercase;
    font-size: 15px;
    margin-top: 8px;
}
.com_t{
    background: url(../images/com_bg.jpg) center bottom no-repeat;
    padding-bottom: 335px;
}
.com_t p{
    text-align: center;
    line-height: 30px;
    margin-top: 20px;
}
.com_t a{
    display: block;
    width: 130px;
    line-height: 35px;
    border-radius: 15px;
    background: #ffa900;
    color: #fff;
    text-align: center;
    margin: 20px auto;
    font-size: 15px;
}
/*strenth*/
.strenth{
    overflow: hidden;
    border-bottom: 1px solid #ededed; 
}
.strenth ul{
    border-left: 1px solid #ededed;
    height: 180px;
    width: 1200px;
    margin: 0 auto;
}
.strenth li{
    float: left;
    width: 229px;
    border-right: 1px solid #ededed;
    transition: all .4s;
    padding: 35px;
    height: 110px;
    font-size: 15px;
    color: #333;
    text-align: center;
    position: relative;
}
.strenth li strong{
    font-size: 60px;
    font-family: Arial;
    line-height: 60px;
    font-weight: normal;
    margin-right: 5px;
}
.strenth li i{
    display: inline-block;
    width: 30px;
    height: 30px;
    background: #ffa900;
    color: #fff;
    text-align: center;
    border-radius: 50%;
    line-height: 30px;
}
.strenth li span{
    display: block;
    font-size: 18px;
    color: #666;
    margin-top: 10px;
}
.strenth li::after{
    content: "";
    position: absolute;
    left: -2px;
    top: 40px;
    width: 3px;
    height: 20px;
    background: #dedede;
}
.strenth li:last-child::before{
    content: "";
    position: absolute;
    right: -2px;
    top: 40px;
    width: 3px;
    height: 20px;
    background: #dedede;
}
/*pro*/
.pro{
    background: url(../images/pro_bg.jpg) bottom right no-repeat;
}
.pro_list{
    width: 955px;
    margin: 20px auto;
    overflow: hidden;
}
.pro_list li{
    float: left;
    width: 180px;
    height: 45px;
    line-height: 45px;
    border-radius: 23px;
    text-align: center;
    background: #1d2089;
    margin: 0 5px;
}
.pro_list li.active{
    background: #ffa900;
}
.pro_list li a{
    color: #fff;
    font-size: 15px;
}
.pro_litpic{
    height: 620px;
    width: 100%;
    overflow: hidden;
    position: relative;
    margin: 50px 0;
}
.pro_litpic_bg{
    width: 50%;
    height: 100%;
    background: #1d2089;
    position: absolute;
    top: 0;
    left: 0;
}
.pro_con{
    width: 1250px;
    margin: 0 auto;
    position: relative;
    height: 560px;
}
.pro_con>ul>li{
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 111;
    display: none;
}
.pro_l,.pro_r{
    float: left;
}
.pro_l{
    width: 600px;
    color: #fff;
    box-sizing: border-box;
    padding:55px 0; 
    position: relative;
}
.pro_r{
    width: 600px;
    margin-left: 25px;
}
.pro_l ul li>span i,.pro_l ul li>span em{
    display: block;
}
.pro_l ul li>span i{
    font-size: 18px;
}
.pro_l ul li>span em{
    font-size: 48px;
    font-weight: bold;
}
.pro_litpic_des{
    margin-top: 30px;
}
.pro_litpic_des span{
    display: block;
    font-size: 24px;
}
.pro_litpic_des span::before{
    display: inline-block;
    content: '';
    width: 20px;
    height: 3px;
    background: #ffa900;
    vertical-align: middle;
    margin-right: 10px;
}
.pro_litpic_des P{
    margin-top: 20px;
    font-size: 15px;
    line-height: 30px;
}
.pro_litpic_des ul{
    margin-top: 20px;
}
.pro_litpic_des ul li{
    line-height: 40px;
}
.pro_litpic_des ul li::before{
    content: '';
    display: inline-block;
    width: 17px;
    height: 17px;
    vertical-align: middle;
    background: url(../images/aa.png) center center no-repeat;
    margin-right: 20px;
}
.pro_l a{
    display: block;
    width: 120px;
    height: 40px;
    border-radius: 20px ;
    font-size: 15px;
    text-align: center;
    color: #fff;
    background: #ffa900;
    line-height: 40px;
    position: absolute;
    bottom: 0;
    right: 20px;
}
.arrow{
    width: 216px;
    height: 40px;
    overflow: hidden;
    position: absolute;
    bottom: -33px;
    right: 200px;
    z-index: 1111;
}
.arrow_l,.arrow_r{
    float: left;
    width: 108px;
    height: 40px;
    cursor: pointer;
    position: relative;
}
.arrow_l{
    background: #ffa900;
}
.arrow_l::after,.arrow_r::after{
    display: block;
    content: '';
    width: 23px;
    height: 14px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -7px;
    margin-left: -12px;
}
.arrow_r::after{
    background: url(../images/ar.png) -5px -27px;
}
.arrow_l::after{
    background: url(../images/ar.png) -5px -7px;
}
.arrow_r{
    background: #1d2089;
}
/*case*/
.case{
    margin: 40px 0;
}
.case_con{
    width: 1250px;
    margin: 20px auto;
    overflow: hidden;
}
.case_go {
    width: 19999px;
}
.case_a, .case_b {
    float: left;
}
.case_a li, .case_b li {
    float: left;
    width: 396px;
    margin: 0 2px;
    overflow: hidden;
}
.case_img {
    display: block;
    width: 396px;
    height: 260px;
    position: relative;
    transition: all 0.6s;
}
.case_img img {
    width: 100%;
    height: auto;
    min-height: 260px;
    transition: all 0.6s;
}
.case_img i {
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    background: rgba(29,32,137,.6);
    color: #fff;
    text-align: center;
    line-height: 35px;
}
.case_a li:hover img,.case_b li:hover img{
    transform: scale(1.1);
}
.case_list{
    width: 485px;
    margin: 0 auto 30px auto;
}
.case_list li{
    width: 150px;
    height: 40px;
    border-radius: 20px;
    text-align: center;
    color: #fff;
    line-height: 40px;
    margin: 0 5px;
    float: left;
    background: #03933c;
}
.case_list li:hover{
    background: #ff6801;
}
.case_list li a{
    color: #fff;
}
/*news*/
.news{
    background: url(../images/news_bg.jpg) center center no-repeat;
}
.news_con{
    width: 1250px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    height: 400px;
}
.news_list li{
    float: left;
    width: 140px;
    line-height: 40px;
    border-bottom: 3px solid transparent;
    text-align: center;
    color: #333;
    cursor: pointer;
}
.news_list li.active{
    border-bottom: 3px solid #ffa900;
    color: #1d2089;
    font-weight: bold;
}
.news_list {
    width: 1250px;
    border-bottom: 1px solid #ececec;
    margin: 20px auto;
}
.xinwen ul li,.zhengce ul li{
    overflow: hidden;
    margin: 10px 0;
    border-bottom: 1px dotted #999;
    padding: 20px 0;
    width: 1250px;
    cursor: pointer;
}
.xinwen ul li>span,.zhengce ul li>span{
    display: block;
    width: 225px;
    height: 140px;
    float: left;
    overflow: hidden;
}
.xinwen ul li:hover span img,.zhengce ul li:hover span img{
    transform: scale(1.1);
}
.xinwen ul li:hover  h3,.zhengce ul li:hover  h3{
    color: #1d2089;
}
.xinwen ul li:hover a,.zhengce ul li:hover a{
    background: #ffa900;
}
.xinwen,.zhengce{
    height: 400px;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}
.xinwen ul li span img,.zhengce ul li span img{
    width: 100%;
    height: auto;
    min-height: 140px;
    transition: all 0.6s;
}
.l_f{
    float: left;
    margin-left: 20px;
    width: 950px;
    position: relative;
    height: 140px;
    overflow: hidden;
    box-sizing: border-box;
    padding: 15px 0;
}
.l_f h3{
    font-weight: normal;
    color: #333;
    font-size: 17px;
}
.l_f p{
    font-size: 15px;
    color: #666;
    margin-top: 20px;
    line-height: 25px;
}
.l_f span{
    color: #666;
    position: absolute;
    top: 0;
    right: 0;
}
.l_f a{
    display: block;
    position: absolute;
    bottom: 0;
    right: 0;
    width: 140px;
    height: 40px;
    border-radius: 20px;
    text-align: center;
    color: #fff;
    font-size: 14px;
    background: #1d2089;
    line-height: 40px;
}
/*footer*/
.footer{
    background: url(../images/bottom.jpg) center center no-repeat;
    height: 220px;
    margin-top: 50px;
    padding-top: 0px;
}
.f_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
}
#dibu{
    margin: 25px 0 15px 0;
    height: 53px;
}
#dibu li {
    text-align: center;
    width: 14.19%;
    float: left;
    height: 40px;
    line-height: 40px;
    border-left: 1px solid #666666;
    border-top: 1px solid #666666;
    border-bottom: 1px solid #666666;
}
#dibu li:nth-child(7){
    border-right: 1px solid #666666;
}
#dibu a {
    color: #FFF;
}
.f_con p {
    width: 1200px;
    height: 30px;
    color: #a4a4a4;
    text-align: center;
    line-height: 30px;
    font-size: 15px;
    margin-top: 8px;
}
.f_con p a{
    color: #a4a4a4;
}
.f_txt>a{
    display: block;
    margin: 5px auto;
    text-align: center;
}