@charset "utf-8";
.id_str{
	top: -150px;
}
.a_title{
	line-height: 1;
}
.a_title .txt{
	font-size: 36px;
}
.a_title .txt2{
	font-size: 20px;
	color:#888888;
}
.a1_box {
	margin-top: 50px;
	margin-bottom: 80px;
}
.a1_box .a1_nav{
	margin-right: 90px;
	text-align: center;
	font-size: 14px;
	line-height: 1;
	cursor: pointer;
}
.a1_box .a1_nav:last-child{
	margin-right: 0;
}
.a1_box .a1_nav .a1_nav_circle{
	width: 88px;
	height: 88px;
	border:5px solid #fff;
	border-radius: 50%;
	box-sizing: border-box;
	margin: auto;
	background: #fff;
  	box-shadow: 0px 10px 47.5px 2.5px rgba(170, 170, 170, 0.2);
}
.a1_box .a1_nav:hover .a1_nav_circle{
	border:5px solid #1eb2d5;
}
.a1_box .a1_nav .img2{
	display: none;
}
.a1_box .a1_nav:hover .img1{
	display: none;
}
.a1_box .a1_nav:hover .img2{
	display: block;
}
.a1_box .a1_nav .a1_nav_title{
	padding-top: 12px;
}
.a1_box .a1_nav:hover .a1_nav_title{
	font-weight: bold;
	color:#666666;
}
.s2_con{
	width: 100%;
	padding-top: 30px;
	font-size: 0;
}
.s2_nav{
	height: 388px;
	width: calc((100% - 98px) / 2);
	background: #fff;
  	border-radius: 15px;
  	box-shadow: 0px 10px 47.5px 2.5px rgba(170, 170, 170, 0.2);
  	overflow: hidden;
  	display: inline-block;
  	vertical-align: top;
  	margin-right: 96px;
  	border:1px solid transparent;
  	box-sizing: border-box;
  	margin-bottom: 75px;
}
.s2_nav:nth-child(2n){
	margin-right: 0;
}
.s2_nav .s2_nav_title{
	background: #999999;
	text-align: center;
	font-size: 30px;
	height: 110px;
	color:#fff;
}
.s2_nav:hover{
	border:1px solid #314198;
}
.s2_nav:hover .s2_nav_title{
	background: #314198;
}
.s2_nav .s2_nav_title .txt{
	padding: 0 10px;
}
.s2_nav .s2_nav_content{
	color:#333;
	font-size: 24px;
	line-height: 40px;
	height: 278px;
}
.s3_box{
	padding-top: 35px;
	padding-bottom: 100px;
}
.s3_con{
	padding-top: 30px;
	font-size: 0;
}
.s3_nav{
	height: 626px;
	width: calc((100% - 80px) / 3);
	background: #fff;
  	overflow: hidden;
  	display: inline-block;
  	vertical-align: top;
  	margin-right: 40px;
  	border:1px solid #dcdada;
  	box-sizing: border-box;
  	margin-bottom: 40px;
}
.s3_nav:nth-child(3n){
	margin-right: 0;
}
.s3_nav .s3_nav_title{
	background-color: #1088a5;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center center;
	text-align: center;
	font-size: 24px;
	height: 168px;
	color:#fff;
}
.s3_nav .s3_nav_title .txt{
	padding: 0 10px;
}
.s3_nav .s3_nav_txt{
	margin: 0 45px;
	height: 70px;
	border-bottom: 1px solid #dcdada;
	box-sizing: border-box;
	line-height: 70px;
	padding-left: 70px;
	background: url(../img/service_down1.png) no-repeat 36px center;
	background-size: 26px 21px;
	cursor: pointer;
	display: block;
	font-size: 14px;
}
.s3_nav .s3_nav_txt:hover{
	background: url(../img/service_down2.png) no-repeat 36px center;
	background-size: 26px 21px;
	color:#314198;
}
/*响应式适配*/

@media screen and (max-width: 1861px) {
	
}
@media screen and (max-width: 1681px) {
	.s2_nav .s2_nav_title{
		font-size: 24px;
	}
	.s2_nav .s2_nav_content {
	    font-size: 20px;
	}
	.s3_nav .s3_nav_title{
		font-size: 20px;
	}
}
@media screen and (max-width: 1450px) {
	
}
@media screen and (max-width: 1335px) {
	.s2_nav .s2_nav_title{
		font-size: 20px;
	}
	.s2_nav .s2_nav_content {
	    font-size: 18px;
	}
	.s3_nav .s3_nav_title{
		font-size: 18px;
	}
}
@media screen and (max-width: 1200px) {
	
}
@media screen and (max-width: 1100px) {

}
@media screen and (max-width: 1000px) {

}
@media screen and (max-width: 768px) {
	.id_str{
		top: -100px;
	}
	.a_title .txt{
		font-size: 24px;
	}
	.a_title .txt2{
		font-size: 12px;
	}
	.a1_box{
    	margin: 20px 20px 40px 20px;
	}
	.a1_box .a1_nav {
	    margin-right: 20px;
	}
	.a1_box .a1_nav .a1_nav_circle {
	    width: 50px;
	    height: 50px;
	    border: 2px solid #fff;
	}
	.a1_box .a1_nav:hover .a1_nav_circle {
	    border: 2px solid #1eb2d5;
	}
	.a1_box .a1_nav .img{
		width: 60%;
	}
	.s2_nav{
		display: block;
		width: 100%;
		margin-bottom: 20px;
		height: auto;
	}
	
	.s2_nav_inner{
		padding: 0 10px;
	}
	.s2_nav .s2_nav_title{
		font-size: 18px;
		height: 80px;
	}
	.s2_nav .s2_nav_content{
		font-size: 14px;
		height: auto;
		padding: 20px 0;
	}
	
	
	.s3_nav{
		display: block;
		width: 100%;
		margin-bottom: 20px;
		height: auto;
	}
	.s3_nav .s3_nav_title{
		font-size: 18px;
		height: 120px;
	}
	.s3_nav .s3_nav_content{
		font-size: 14px;
	}
	.s3_nav .s3_nav_txt{
		margin: 0 20px;
		height: 50px;
		line-height: 50px;
	}
	.s3_nav .s3_nav_txt:last-child{
		border-bottom: none;
	}
	.s3_box {
	    padding-top: 30px;
	    padding-bottom: 40px;
	}
}
@media screen and (max-width: 414px) {
	
}