* {
    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: 185px;
    background: url(../images/h_bg.png) center center no-repeat;
    position: relative;
    z-index: 11;
}
.h_t_con{
    color: #fff;
    height: 50px;
    line-height: 50px;
}
.h_t_con p{
    font-size: 15px;
}
.h_t_con ul li{
    float: left;
    position: relative;
    margin: 0 10px;
    height: 50px;
}
.h_t_con ul li::after{
    content: '';
    display: block;
    width: 1px;
    height: 15px;
    background: #639ef0;
    position: absolute;
    right: -10px;
    top: 18px;
}
.h_t_con ul {
    overflow: inherit;
}
.h_t_con ul li em{
    width: 100px;
    height: 100px;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.3);
    position: absolute;
    left: 50%;
    margin-left: -50px;
    bottom: -100px;
    display: none;
}
.h_t_con ul li em::before{
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #fff;
    position: absolute;
    left: 50%;
    margin-left: -4.5px;
    top: -5px;
}
.h_t_con ul li em img{
    display: block;
    width: 80px;
    height: 80px;
    margin: 10px;
}
.h_t_con ul li:last-child::after{
    background: none;
}
.h_t_con ul li span{
    width: 23px;
    height: 19px;
    display: block;
    background-image: url(../images/icon.png);
    margin-top: 15px;
    cursor: pointer;
}
.h_t_con ul li span a{
    display: block;
    width: 100%;
    height: 100%;
}
.h_t_con ul li:nth-child(1) span{
    background-position: -3px -3px;
}
.h_t_con ul li:nth-child(2) span{
    background-position: -39px -3px;
}
.h_t_con ul li i,.h_t_con ul li strong{
    display: inline-block;
    vertical-align: middle;
}
.h_t_con ul li i{
    font-size: 15px;
}
.h_t_con ul li strong{
    font-size: 24px;
}
.logo img{
    margin-top: 5px;
    margin-left: 10px;
}
.nav{
    margin-top: 28px;
}
.nav>li{
    float: left;
    width: 110px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin: 0 8px;
}
.nav>li.active{
    background: #146ae1;
    border-radius: 20px;
}
.nav>li a{
    color: #333;
    display: block;
    width: 100%;
    height: 100%;
    font-size: 16px;
}
.nav>li.active a{
    color: #fff;
}
/*banner*/
.banner{
    height: 885px;
    position: relative;
    margin-top: -135px;
}
.banner .swiper-container {
    height: 885px;
    width: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
}
.banner .swiper-slide {
    height: 885px;
}

.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;
}
/* four */
.four{
    width: 100%;
    height: 120px;
    background: #146ae1;
}
.four_con ul li{
    width: 25%;
    float: left;
    position: relative;
    overflow: hidden;
    color: #fff;
    box-sizing: border-box;
    padding: 25px 45px;
    height: 120px;
}
.four_con ul li::after{
    content: '';
    display: block;
    width: 1px;
    height: 120px;
    position: absolute;
    top: 0;
    right: 0;
    background: #4185e4;
}
.four_con ul li:last-child::after{
    background: none;
}
.four_con ul li span{
    width: 43px;
    height: 43px;
    background-image: url(../images/icon.png);
    margin-right: 10px;
    margin-right: 15px;
    margin-top: 6px;
}
.four_con ul li:nth-child(1) span{
    background-position: -88px -13px;
}
.four_con ul li:nth-child(2) span{
    background-position: -153px -13px;
}
.four_con ul li:nth-child(3) span{
    background-position: -215px -13px;
}
.four_con ul li:nth-child(4) span{
    background-position: -270px -13px;
}
.four_con ul li i,.four_con ul li span{
    float: left;
}
.four_con ul li i h3{
    font-weight: normal;
    font-size: 24px;
}
.four_con ul li i p{
    font-size: 15px;
}
/*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;
}
.list_go {
    width: 1265px;
    margin: 20px auto 10px auto;
    overflow: hidden;
}
.list_go ul {
    position: relative;
}
.list_go ul li {
    position: relative;
    float: left;
    margin: 0 1px;
    overflow: hidden;
    height: 210px;
}
.list_go ul li.active span{
    box-shadow: 0 0 6px rgba(28,113,234,.3);
    border: 7px solid #1c71ea;
}
.list_go ul li.active img{
    transform: scale(1.1);
}
.list_go ul li.active em{
    display: block;
}
.list_go ul li a{
    display: block;
}
.list_go ul li span{
    display: block;
    width: 184px;
    height: 184px;
    border-radius: 50%;
    border: 7px solid #fff;
    overflow: hidden;
    box-shadow: 0 0 6px rgba(0,0,0,.3);
    margin: 6px;
}
.list_go ul li span img{
    width: 100%;
    height: auto;
    min-height: 200px;
    transition: all 0.6s;
}
.list_go ul li em{
    width: 165px;
    height: 40px;
    border-radius: 20px;
    line-height: 40px;
    text-align: center;
    color: #fff;
    background: #1c71ea;
    margin: -110px auto 0 auto;
    position: relative;
    z-index: 111;
    display: none;
}
.list_go_arrl, .list_go_arrr {
    position: absolute;
    top: 58%;
    margin-top: -47px;
    width: 46px;
    height: 46px;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(28,113,234,.5);
    background: #1c71ea;
}
.list_go_arrl::after,.list_go_arrr::after{
    content: '';
    display: block;
    width: 13px;
    height: 23px;
    background-image: url(../images/icon.png);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.list_go_arrl{
    left: -15px;
}
.list_go_arrr{
    right: -15px;
}
.list_go_arrl::after {
    background-position: -338px -21px;
}
.list_go_arrr::after {
    background-position: -372px -21px;
}
.pro_litpic {
    width: 90%;
    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: 270px;
    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_litpic_cover{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1c71eabd;
    color: #fff;
    text-align: center;
    display: none;
}
.pro_go>ul>li:hover .pro_litpic_cover{
    display: block;
}
.pro_litpic_cover em{
    font-size: 18px;
    margin-top: 95px;
}
.pro_litpic_cover i{
    font-size: 31px;
    font-family: 'Impact';
}
.pro_litpic_cover i::before{
    content: '';
    display: inline-block;
    vertical-align: middle;
    margin-right: 4px;
    width: 32px;
    height: 32px;
    background: url(../images/icon.png) -125px -75px;
    margin-bottom: 4px;
}
/* com */
.com{
    width: 100%;
    height: 730px;
    box-sizing: border-box;
    background: url(../images/com_bg.jpg) center center no-repeat;
    margin-top: 100px;
}
.com_con{
    overflow: hidden;
}
.com_r{
    float: right;
    width: 770px;
    position: relative;
}
.com_r p{
    font-size: 15px;
    line-height: 25px;
    margin-top: 20px;
    color: #333;
}
.com_r a{
    display: block;
    width: 500px;
    height: 50px;
    border-radius: 25px;
    overflow: hidden;
    color: #fff;
    background: #eb0000;
    line-height: 50px;
    box-sizing: border-box;
    padding: 0 40px;
    margin-top: 40px;
}
.com_r em{
    font-size: 30px;
    font-family: 'Impact';
}
.com_r em::before{
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 28px;
    height: 30px;
    background: url(../images/icon.png) -409px -15px;
    margin-right: 10px;
    margin-bottom: 2px;
}
.com_r i{
    font-size: 18px;
    margin-left: 10px;
}
.com_b{
    width: 100%;
    height: 265px;
    box-sizing: border-box;
    overflow: hidden;
    background: url(../images/com_b_bg.png) left bottom;
    margin-top: -266px;
}
.com_b_con ul li span,
.com_b_con ul li em{
    border-radius: 50%;
}
.com_b_con ul li{
    float: left;
    margin: 30px 26px;
    text-align: center;
    position: relative;
    cursor: pointer;
}
.com_b_con ul li::after{
    content: '';
    display: block;
    position: absolute;
    right: -37px;
    top: 43%;
    width: 20px;
    height: 17px;
    background: url(../images/icon.png) -14px -82px;
    margin-top: -8.5px;
}
.com_b_con ul li:last-child::after{
    background: none;
}
.com_b_con ul li span{
    display: block;
    width: 170px;
    height: 170px;
    border: 1px dashed #fff;
    position: relative;
    transition: all 0.6s;
}
.com_b_con ul li:hover span{
    transform: rotateY(360deg);
}
.com_b_con ul li em{
    width: 130px;
    height: 130px;
    overflow: hidden;
    border: 10px solid #2a74dd;
    margin: 10px;
}
.com_b_con ul li em img{
    width: 100%;
    height: auto;
    min-height: 130px;
}
.com_b_con ul li i{
    font-size: 17px;
    color: #fff;
    margin-top: 10px;
}
/*case*/
.xiangmu{
    margin-bottom: 60px;
}
.xiangmu_con{
    margin: 30px 0;
    width: 100%;
    overflow: hidden;
    position: relative;
}
.xiangmu_con>ul{
    position: relative;
}
.xiangmu_con>ul>li{
    float: left;
    width: 630px;
    height: 460px;
    position: relative;
    float: left;
    margin: 0 15px;
    cursor: pointer;
    z-index: 111;
}
.xiangmu_con>ul>li span{
    display: block;
    width: 100%;
    height: 400px;
    overflow: hidden;
}
.xiangmu_con>ul>li span img{
    width: 100%;
    min-height: 400px;
}
.xiangmu_des{
    width: 560px;
    height: 105px;
    background: url(../images/case_des_bg.jpg);
    overflow: hidden;
    position: absolute;
    z-index: 222;
    left: 50%;
    margin-left: -280px;
    margin-top: -57.5px;
    cursor: pointer;
    padding:23px 10px 12px;
    box-sizing: border-box;
    display: none;
}
.xiangmu_des_l{
    width: 100%;
    box-sizing: border-box;
}
.xiangmu_des_l ul{
    margin-top: 10px;
}
.xiangmu_des_l ul li{
    float: left;
    margin-right: 15px;
    color: #fff;
    font-size: 15px;
}
.xiangmu_des_l em{
    display: block;
    font-size: 20px;
    color: #fff;
    text-align: center;
}
.xiangmu_des_l ul li::before{
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    box-sizing: border-box;
    border: 1px solid #fff;
    vertical-align: middle;
    margin-right: 8px;
    margin-bottom: 3px;
}
.xiangmu_prev,.xiangmu_next{
    width: 85px;
    height: 85px;
    background: #046fda;
    border-radius: 5px;
    position: absolute;
    top: -110px;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    z-index: 1111;
    cursor: pointer;
}
.xiangmu_prev::after,.xiangmu_next::after{
    content: '';
    display: block;
    width: 11px;
    height: 22px;
    background-image: url(../images/icon1.png);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.xiangmu_prev{
    left: -660px;
}
.xiangmu_prev::after{
    background-position: -33px -138px;
}
.xiangmu_next::after{
    background-position: -90px -138px;
}
.xiangmu_next{
    right: -660px;
}
.xiangmu_con ul li:hover .xiangmu_des{
    display: block;
}
/* heng */
.heng{
    width: 100%;
    height: 200px;
    background: url(../images/heng_bg.jpg) center center no-repeat;
    color: #fff;
    text-align: right;
    padding-top: 25px;
    box-sizing: border-box;
}
.heng_con h3{
    font-size: 36px;
    font-weight: bold;
}
.heng_con p{
    font-size: 14px;
    text-transform: uppercase;
}
.heng_phone{
    overflow: hidden;
    width: 570px;
    float: right;
    margin-top: 16px;
}
.heng_phone i{
    float: left;
    font-size: 27px;
}
.heng_phone i::before{
    content: '';
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
    width: 33px;
    height: 33px;
    background: url(../images/icon.png) -63px -74px;
}
.heng_phone a{
    float: right;
    width: 150px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    font-size: 15px;
    color: #fff;
    background: #fe0000;
}
/*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_l{
    float: left;
}
.news_r{
    float: right;
    width: 680px;
}
.news_r ul li{
    margin-bottom: 5px;
    height: 140px;
    width: 100%;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.3);
    margin: 5px 5px 12px 5px;
    border-top-left-radius: 20px ;
    border-bottom-right-radius: 20px ;
}
.n_des{
    float: left;
    width: 480px;
    padding: 30px;
    height: 135px;
    box-sizing: border-box;
}
.news_r ul li span{
    float: right;
    width: 200px;
    height: 140px;
    overflow: hidden;
}
.news_r ul li span img{
    width: 100%;
    height: auto;
    min-height: 140px;
    transition: all 0.6s;
}
.news_r ul li a{
    display: block;
    width: 100%;
    height: 100%;
    color: #333;
}
.n_des em{
    font-size: 18px;
    margin-bottom: 8px;
    transition: all 0.6s;
}
.n_des em::before{
    content: '';
    display: inline-block;
    width: 53px;
    height: 6px;
    vertical-align: middle;
    background: url(../images/icon.png) -179px -88px no-repeat;
    margin-right: 10px;
}
.n_des p{
    color: #666;
}
.news_r ul li.active{
    background: #146ae1;
}
.news_r ul li.active a{
    color: #fff;
}
.news_r ul li.active em::before{
    background: url(../images/icon.png) -246px -88px no-repeat;
}
.news_r ul li.active p{
    color: #fff;
}
.news_r ul li.active img{
    transform: scale(1.1);
}
/*footer*/
.footer{
    margin-top: 50px;
}
.f_t{
    background: #2a2a2a;
}
.f_t_con{
    width: 1250px;
    margin: 0 auto;
    overflow: hidden;
    padding: 40px 0 40px 0;
}
.f_logo,.f_contact,.f_ewm{
    float: left;
}
.f_logo img{
    margin-bottom: 10px;
}
.f_logo ul li{
    font-size: 15px;
    line-height: 30px;
    color: #848484;
}
.f_contact ,.f_ewm{
    margin-left: 90px;
    margin-top: 20px;
}
.f_contact span,.f_ewm span{
    display: block;
    width: 260px;
    line-height: 50px;
    border-radius: 25px;
    text-align: center;
    color: #fff;
    font-size: 20px;
    background: #3f3f3f;
    margin-bottom: 30px;
}
.f_contact ul li{
    line-height: 32px;
    color: #848484;
    padding-left: 10px;
}
.f_ewm ul li{
    float: left;
    margin: 0 10px;
}
.f_ewm ul li i{
    display: block;
    text-align: center;
    color: #848484;
    font-size: 14px;
    margin-top: 8px;
}
.f_bb{
    background: #242424;
    line-height: 50px;
    font-size: 15px;
    text-align: center;
    color: #909090;
}
.f_bb a{
    color: #909090;
}
.f_bb a img{
    vertical-align: middle;
    width: 80px;
    margin-left: 10px;
}
@media screen and (max-width:1800px) {
    .four_chose li{
        margin: 0 1%;
    }
}