* {
    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;
}
.wid{
    width: 1350px;
    margin: 0 auto;
}
.clear::after{
    content: '';
    display: block;
    clear: both;
}
.f_l{
    float: left;
}
.f_r{
    float: right;
}
/*animate*/
@-webkit-keyframes ball {
    0% {
      -webkit-transform: translateY(0);
      transform: translateY(0);
    }
    100% {
      -webkit-transform: translateY(-10px);
      transform: translateY(-10px);
    }
  }
  @keyframes ball {
    0% {
      -webkit-transform: translateY(0);
      transform: translateY(0);
    }
    100% {
      -webkit-transform: translateY(-10px);
      transform: translateY(-10px);
    }
  }
/*header*/
.header{
    width: 100%;
    height: 112px;
    background: url(../images/h_bg.png) right top no-repeat;
    position: relative;
    z-index: 11;
}
.logo{
    margin-top: 12px;
}
.logo img{
    margin-top: 5px;
    margin-left: 10px;
}
.nav{
    margin-left: 20px;
}
.nav>li{
    float: left;
    width: 110px;
    height: 110px;
    text-align: center;
    line-height: 100px;
}
.nav>li>a{
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    font-size: 16px;
    color: #333;
}
.nav>li>a::after{
    content: '';
    display: block;
    width: 15px;
    height: 15px;

    position: absolute;
    bottom: 25px;
    left: 50%;
    margin-left: -7.5px;
    opacity: 0;
}
.nav>li.active>a::after{
    opacity: 1;
}
.h_phone{
    margin-left: 20px;
}
.phone{
    position: relative;
    padding-left: 43px;
    margin-top: 30px;
}
.phone::before{
    content: '';
    display: block;
    width: 33px;
    height: 33px;
    background: url(../images/icon.png) -37px -7px no-repeat;
    position: absolute;
    top: 11px;
    left: 0;
}
.phone p{
    font-size: 15px;
    color: #333;
}
.phone strong{
    letter-spacing: -1px;
    color: #da251d;
    font-size: 28px;
    display: block;
}
.h_code{
    margin-left: 8px;
    position: relative;
}
.h_code em{
    width: 17px;
    height: 17px;
    background: url(../images/icon.png) -90px -15px;
    margin-top: 50px;
    margin-left: 20px;
    cursor: pointer;
}
.h_code span{
    display: block;
    position: absolute;
    bottom: -130px;
    left: 50%;
    width: 85px;
    height: 85px;
    background: #fff;
    margin-left: -27.5px;
    opacity: 0;
}
.h_code span img{
    width: 75px;
    height: 75px;
    display: block;
    margin: 5px auto;
}
/*banner*/
.banner{
    height: 920px;
    position: relative;
    margin-top: -135px;
}
.banner .swiper-container {
    height: 920px;
    width: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
}
.banner .swiper-slide {
    height: 920px;
}

.banner:hover .pagination {
    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;
    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;
    transition: all 0.5s;
}
/* hot */
.hot{
    width: 100%;
    margin: 20px 0;
}
.hot_con{
    overflow: hidden;
    width: 100%;
}
.hot_go{
    width: 99999px;
    position: relative;
}
.hot_go ul{
    float: left;
}
.hot_go ul li{
    width: 365px;
    height: 220px;
    overflow: hidden;
    position: relative;
    float: left;
    margin: 0 5px;
}
.hot_go ul li img{
    width: 100%;
    height: auto;
    min-height: 220px;
}
.hot_tit{
    position: absolute;
    top: 220px;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5,63,175,.6);
    text-align: center;
    color: #fff;
    box-sizing: border-box;
    padding: 35px 0;
    transition: all .6s;
}
.hot_go ul li:hover .hot_tit{
    top: 0;
}
.hot_tit em{
    width: 48px;
    height: 47px;

    margin: 0 auto;
}
.hot_tit i{
    font-size: 24px;
    margin: 8px 0;
}
.hot_tit span{
    display: block;
    width: 225px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    font-size: 24px;
    border-radius: 20px;
    background: #da251d;
    margin: 0 auto;
}
.hot_tit span::before{
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 28px;
    height: 28px;
    background: url(../images/icon.png) -209px -13px;
    margin-right: 3px;
    margin-bottom: 5px;
}
/*pro*/
.pro{
    background: url(../images/pro_bg.jpg) top center no-repeat;
}
.tit{
    text-align: center;
    margin: 0 0 30px 0;
}
.tit p{
    font-size: 15px;
    color: #333;
    margin-top: 8px;
}
.pro_list{
    padding: 30px 0 0 0 ;
    background: url(../images/list_bg.jpg) center center no-repeat;
}
.go_con{
    width: 1350px;
    position: relative;
    margin: 0px auto 30px auto;
}
.go_con ul li{
    width: 200px;
    height: 45px;
    text-align: center;
    border: 1px solid #e2e2e2;
    border-radius: 3px;
    line-height: 45px;
    float: left;
    margin: 3px;
}
.go_con ul li a{
    display: block;
    width: 100%;
    height: 100%;
    color: #333;
}
.go_con ul li.active{
    background: #053faf;
    border: 1px solid transparent;
}
.go_con ul li.active a{
    color: #fff;
}
.pro_litpic {
    width: 86%;
    margin: 0 auto 30px auto;
    height: 760px;
    overflow: hidden;
}
.pro_go>ul>li{
    width: 24.6%;
    margin: 5px 0.2%;
    float: left;
    overflow: hidden;
}
.pro_go>ul>li a{
    display: block;
    color: #333;
}
.pro_go>ul>li>a>span{
    display: block;
    width: 100%;
    height: 290px;
    overflow: hidden;
    position: relative;
}
.litpic_img{
    width: 100%;
    height: auto;
    min-height: 290px;
    transition: all 0.6s;
}
.pro_go>ul>li:hover span>img{
    transform: scale(1.1);
}
.pro_go>ul>li:hover .cover{
    opacity: 1;
}
.pro_go>ul>li:hover .pro_des i{
    color: #1c71ea;
    font-weight: bold;
}
.pro_go>ul>li:hover .pro_litpic_cover{
    bottom: 0;
}
.pro_litpic_cover{
    position: absolute;
    bottom: -115px;
    left: 0;
    width: 100%;
    height: 115px;
    background: rgba(5,63,175,.9);
    color: #fff;
    text-align: center;
    box-sizing: border-box;
    padding: 9px 0;
    transition: all .6s;
}
.pro_litpic_cover i{
    font-size: 18px;
    margin: 5px 0;

}
.pro_litpic_cover em{
    font-size: 18px;
}
.pro_litpic_cover strong{
    display: block;
    width: 35px;
    height: 35px;
    background: url(../images/icon.png) -136px -9px;
    margin: 0 auto;
}
/* adv */
.adv{
    background: url(../images/adv_bg.jpg) center center no-repeat;
    width: 100%;
    height: 1020px;
    box-sizing: border-box;
    padding-top: 35px;
}
.adv_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
}
.adv_tit{
    text-align: center;
}
.adv_tit p{
    color: #333;
    font-size: 15px;
    margin-top: 8px;
}
.adv_des{
    position: relative;
    width: 100%;
    height: 575px;
    margin-top: 60px;
}
.adv_des ul li{
    width: 250px;
    height: 135px;
    position: absolute;
}
.adv_des ul li h3{
    font-size: 26px;
    color: 053faf;
    text-align: center;
}
.adv_des ul li em{
    display: inline-block;
    letter-spacing: -1px;
    font-family: '思源宋体';
    margin-right: 8px;
}
.adv_des ul li p{
    font-size: 15px;
    color: #333;
    margin-top: 10px;
    text-align: center;
}
.adv_des ul li:nth-child(1){
    bottom: 50px;
    left: 65px;
}
.adv_des ul li:nth-child(5){
    bottom: 50px;
    right: 65px;
}
.adv_des ul li:nth-child(2){
    top: 170px;
    left: 210px;
}
.adv_des ul li:nth-child(4){
    top: 170px;
    right: 210px;
}
.adv_des ul li:nth-child(3){
    top: 40px;
    left: 545px;
}
.adv_heng{
    width: 100%;
    overflow: hidden;
}
.adv_l{
    float: left;
    color: #fff;
}
.adv_l h3{
    font-size: 28px;
    margin-top: 37px;
}
.adv_l p{
    font-size: 18px;
    margin-top: 8px;
}
.adv_r{
    float: right;
    color: #fff;
}
.adv_r ul li{
    float: left;
    text-align: center;
    margin: 40px 20px;
    cursor: pointer;
}
.adv_r ul li em{
    width: 30px;
    height: 30px;
    background-image: url(../images/icon.png);
    background-repeat: no-repeat;
    margin: 0 auto;
    transition: all 0.6s;
}
.adv_r ul li i{
    font-size: 15px;
    margin-top: 8px;
}
.adv_r ul li:nth-child(1) em{
    background-position: -135px -76px;
}
.adv_r ul li:nth-child(2) em{
    background-position: -184px -74px;
}
.adv_r ul li:nth-child(3) em{
    background-position: -230px -72px;
}
.adv_r ul li:nth-child(4) em{
    background-position: -279px -74px;
}
.adv_r ul li:hover em{
    transform: rotateZ(360deg);
}
/*case*/
.case .swiper-container{
    margin-top: 20px;
    height: 410px;
}
.case .swiper-container.anli .swiper-slide {
    background-position: center;
    background-size: cover;
    width: 600px;
    height: 400px;
    border: 10px solid #fff;
    box-sizing: border-box;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}
.case .swiper-container.anli .swiper-slide a img{
    width: 100%;
    height: auto;
    min-height: 370px;
}
.case .swiper-pagination{
    left: 50%;
    transform: translateX(-50%);
}
.case .swiper-pagination .swiper-pagination-bullet{
    margin: 0 2px;
}
.case {
    position: relative;
    margin: 30px 0;
}
.case .swiper-pagination .swiper-pagination-bullet-active{
    background: #d71618;
}
.case_phone{
    width: 620px;
    margin: 45px auto;
}
.case_phone ul li{
    width: 280px;
    height: 50px;
    line-height: 50px;
    background: #0c4eb1;
    border-radius: 25px;
    margin: 0 15px;
    float: left;
    text-align: center;
}
.case_phone ul li,.case_phone ul li a{
    color: #fff;
}
.case_phone ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.case_phone ul li h3{
    font-size: 28px;
    font-family: "Impact";
    display: inline-block;
    vertical-align: middle;
    font-weight: normal;
}
.case_phone ul li:nth-child(1)::before{
    content: '';
    display: inline-block;
    vertical-align: middle;
    background: url(../images/icon.png) -209px -13px;
    width: 28px;
    height: 28px;
    margin-right: 8px;
    margin-bottom: 2px;
}
.case_phone ul li:nth-child(1){
    background: #e70012;
}
/*news*/
.news{
    width: 100%;
    background: url(../images/news_bg.jpg) bottom center no-repeat;
    padding: 40px 0;
}
.news_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
}
.news_con ul li{
    float: left;
    background: #f5f5f5;
    width: 655px;
    height: 160px;
    margin: 8px;
    box-sizing: border-box;
    padding: 10px;
    position: relative;
}
.news_con ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.news_con ul li span,.n_des{
    float: left;
}
.n_des{
    width: 415px;
    margin-left: 20px;
    padding-top: 20px;
}
.n_des em{
    font-size: 17px;
    color: #333;
}
.n_des p{
    font-size: 14px;
    color: #666;
    line-height: 20px;
    margin-top: 10px;
}
.n_des strong{
    font-size: 14px;
    font-weight: normal;
    display: block;
    margin-top: 8px;
    color: #666;
}
.news_con ul li span{
    width: 195px;
    height: 140px;
    overflow: hidden;
}
.news_con ul li i{
    width: 92px;
    height: 37px;
    position: absolute;
    bottom: 20px;
    right: -6px;
    background: url(../images/news_i.png);
    font-size: 14px;
    color: #fff;
    text-align: center;
    line-height: 42px;
}
.news_con ul li span img{
    width: 100%;
    height: auto;
    min-height: 140px;
    transition: all .6s;
}
.news_con ul li.active{
    background: #053faf;
}
.news_con ul li.active .n_des em,.news_con ul li.active .n_des strong{
    color: #fff;
}
.news_con ul li.active .n_des p{
    color: #b8c1e1;
}
.news_con ul li.active i{
    background: url(../images/news_i_a.png);
}
/* com */
.com{
    height: 272px;
    background: url(../images/com_bg.jpg) center center no-repeat;
    box-sizing: border-box;
    padding: 30px 40px;
    position: relative;
    z-index: 11;
    margin-top: 40px;
}
.com_tit{
    overflow: hidden;
    margin-bottom: 20px;
}
.com_tit img{
    float: left;
}
.com_tit a{
    float: right;
    width: 120px;
    height: 35px;
    text-align: center;
    line-height: 35px;
    color: #fff;
    font-size: 15px;
    border-radius: 18px;
    background: #da251d;
}
.com p{
    font-size: 15px;
    color: #fff;
    line-height: 30px;
    margin-top: 8px;
}
/*footer*/
.footer{
    background: #333333;
}
.f_con{
    position: relative;
}
.f_con_l ul li{
    margin: 40px 0;
    color: #fff;
    padding-left: 70px;
    position: relative;
}
.f_con_l ul li i{
    text-transform: uppercase;
    font-size: 15px;
}
.f_con_l ul li em{
    font-size: 16px;
    margin-top: 8px;
}
.f_con_l ul li::before{
    content: '';
    display: block;
    width: 50px;
    height: 50px;
    background-image: url(../images/icon.png);
    position: absolute;
    top: 0;
    left: 0;
}
.f_con_l ul li:nth-child(1):before{
    background-position: -12px -141px;
}
.f_con_l ul li:nth-child(2):before{
    background-position: -12px -216px;
}
.f_con_l ul li:nth-child(3):before{
    background-position: -12px -291px;
}
.f_con_l ul li:nth-child(4):before{
    background-position: -12px -366px;
}
.f_con_l ul li em strong{
    font-size: 26px;
    font-family: 'Impact';
    font-weight: normal;
    display: inline-block;
    vertical-align: middle;
}
.f_con_r {
    width: 445px;
    margin-top: 10px;
}
.f_con_r input{
    width: 217px;
    height: 40px;
    float: left;
    margin-right: 5px;
    box-sizing: border-box;
    padding-left: 5px;
}
.f_con_r textarea{
    width: 100%;
    height:60px;
    padding-left: 5px;
}
.f_con_r input,.f_con_r textarea,.f_con_r button{
    background: #fff;
    margin-bottom: 15px;
    border: none;
    outline: none;
    border-radius: 3px;
}
.f_con_r button{
    width: 100%;
    height: 40px;
    background: #da251d;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
}
.f_con_r button em{
    display: inline-block;
    vertical-align: middle;
    width: 14px;
    height: 13px;
    background: url(../images/icon.png) -92px -133px;
    margin-right: 8px;
    margin-bottom: 3px;
}
.f_code{
    width: 135px;
    height: 135px;
    overflow: hidden;
    position: absolute;
    bottom: 45px;
    left: 50%;
    margin-left: -77.5px;
}
.f_bb{
    background: #053faf;
    line-height: 50px;
    font-size: 15px;
    text-align: center;
    color: #fff;
}
.f_bb a{
    color: #fff;
}
.f_bb a img{
    vertical-align: middle;
    width: 80px;
    margin-left: 10px;
}
@media screen and (max-width:1800px) {
    .four_chose li{
        margin: 0 1%;
    }
}