dl,dt,dd,ul,li{margin: 0;padding: 0;list-style: none}
.chen_box1{width: 80%;margin: 70px auto;color: #333}
.chen_box1 ul{display: flex;justify-content: space-between}
.chen_box1 ul li{width: 25%;border-right: solid 1px #ccc;padding: 0 55px}
.chen_box1 ul li:nth-of-type(1),.chen_box1 ul li:last-child{border: none}
.chen_box1 ul li:nth-of-type(1) p{font-size:32px;font-weight:bold;line-height: 1.5em;text-align: center;color: #333}
.chen_box1 ul li dt{font-size:22px;}
.chen_box1 ul li dd{font-size:16px; line-height: 1.8em;margin-top:16px }

.chen_fangan{width: 90%;margin: 120px auto;color: #333}
.chen_title .title{text-align: center;font-size:32px;font-weight:bold;color: #333 }
.chen_title .title i{background-color:#333;height: 2px;width: 70px;display: block;margin: 30px auto}
.chen_title .title2{text-align: center;font-size:16px;color: #333}
.chen_fangan ul{display: flex;flex-wrap:wrap;justify-content: space-between ;}
.chen_fangan ul li{width: 47%;display: flex;justify-content: space-between; margin: 50px 0}
.chen_fangan ul li dt{width: 47%;}
.chen_fangan ul li dt img{width: 100%;}
.chen_fangan ul li dd{width: 45%;font-size:16px;line-height: 1.8em }
.chen_fangan ul li dd h1{font-size:22px!important }
.chen_fangan ul li dd h2{font-size:18px!important;margin: 20px 0 5px 0 }

.chen_box2{width: 1200px;max-width:95% ;margin: 20px auto 70px auto;color: #333}
.chen_box2 .title{font-size:32px;font-weight:bold; border-bottom: solid 1px #ccc;padding-bottom: 35px}
.chen_box2 h2{font-size:20px!important;margin: 25px 0 }
.chen_box2 .item{display: flex;}
.chen_box2 .item li{width: 25%;border: solid 1px #999;border-right:none;text-align: center;padding: 20px 0px;font-size:16px ;cursor: pointer}
.chen_box2 .item li:last-child{border: solid 1px #999;}
.chen_box2 .item .on{background:#1d2088;color: #fff;border: solid 1px #1d2088;}
.chen_box2 form ul{margin: 30px 0;display: flex}
.chen_box2 form ul li{width: 23%;margin-right: 50px}
.chen_box2 form input{width: 90%;border: solid 1px #999;height:61px; text-align: center;font-size: 16px}
.chen_box2 form ul li dt{font-size:16px;font-weight:normal;margin-bottom: 10px}
.chen_box2 form button{width: 255px;height: 65px;background:#1d2088;color: #fff;border: none;font-size: 16px}
.chen_box2 form select{width: 90%;border: solid 1px #999!important;height:61px; font-size: 16px!important;line-height: 1.5em!important;}
.chen_box2 form{display: none;}
.chen_box2 .form_tq{display: block;}
.layui-layer-demo .layui-layer-title {
    border: none;
    background-color: #1D2088;
    color: #fff;height: 70px;
}
.layui-layer-demo .layui-layer-ico{background: url(/images/close.jpg);background-position:0 0!important;width: 42px;height: 48px;;}
.layui-layer-demo .layui-layer-setwin{top: 11px;}

.chen_case{background: #f7f7f7;padding: 70px 0;margin: 150px 0 0 0}
.banner2{margin-top:30px!important }

.chen_download{padding: 100px 0;}
.chen_download .con{border: solid 1px #ccc;width: 1100px;max-width: 95%;margin: 0 auto;padding:25px;}
.chen_download .con ul{display: flex;justify-content: space-between;align-items: center;}

.chen_download .con li:nth-of-type(1){width: 5%; }
.chen_download .con li:nth-of-type(2){width: 90%;font-size: 22px;color: #1d2088;}

.chen_contact{background: #F7F7F7;}
.chen_contact .con{width: 1100px;max-width: 95%;margin: 0 auto;padding:70px 0;display: flex;justify-content: space-between;}
.chen_contact .con .title{font-size: 22px;color: #333;font-weight: bold;line-height: 1.5em;}
.chen_contact .con .left{width: 40%;}
.chen_contact .con .left li{display: flex;align-items: center;font-size: 18px;color: #1d2088;margin-top: 20px;}
.chen_contact .con .left li dt img{box-shadow:1px 1px 10px #ddd ;border-radius: 50%;}
.chen_contact .con .left li dd{margin-left: 18px;}
.chen_contact .con .right{width: 40%;}
.chen_contact .con .right li{display: flex;align-items: center;font-size: 18px;color: #333;margin-top: 20px;}
.chen_contact .con .right li dt img{width: 128px;;}
.chen_contact .con .right li dd{margin-left: 18px;}

.chen_tc{display: none;padding: 50px 80px;color: #333;font-size: 16px;line-height: 1.8em;}
.chen_tc .main{display: flex;justify-content: space-between;}
.chen_tc .main .title{font-size: 22px;font-weight: bold;margin-bottom: 20px;}
.chen_tc .main .left{width: 50%;}
.chen_tc .main .left .t2{margin-top: 20%;}
.chen_tc .main .left .t1 span{color: #1D2088;font-weight: bold;margin: 0 3px;}
.chen_tc .main .right{width: 35%;}
.chen_tc .main .right .con img{max-width: 90%;margin-top: 20px;max-height: 350px;}