@charset "utf-8";
body,.header_box.shadow,.header_box{
	background: #eff7fc;
}
.header_box.shadow{
	box-shadow: initial;
}
.body_con{
	position: relative;
	padding-bottom: 80px;
}
.nd_box{
	width: 63%;
	margin: auto;
}
.return_box{
	position: absolute;
	top: 40px;
	left: 0;
}
.return_box img{
	width: 100%;
}
.nd1_box{
	padding-top: 35px;
}
.nd1_box .nd1_title{
	font-weight: bold;
	font-size: 36px;
	line-height: 48px;
	padding-bottom: 80px;
	border-bottom: 1px solid #e8e8e8;
	margin-bottom: 36px;
}
.nd1_box .nd1_subtitle{
	font-size: 16px;
	line-height: 16px;
}
.nd2_box{
	margin-top: 50px;
	font-size: 16px;
	line-height: 38px;
	margin-bottom: 80px;
}
.nd2_box .nd2_nav{
	margin-bottom: 40px;
}
.nd2_box img{
	max-width: 100%;
	margin: auto;
	display: block;
}
.nd3_box{
	border-top: 1px solid #e8e8e8;
	padding-top: 36px;
}
.nd3_box .nd3_nav{
	font-size: 16px;
}
.nd3_box .nd3_nav:nth-child(1) .txt{
	padding-left: 12px;
}
.nd3_box .nd3_nav:nth-child(3) .txt{
	padding-right: 12px;
}
/*响应式适配*/

@media screen and (max-width: 1861px) {}

@media screen and (max-width: 1681px) {
	
}

@media screen and (max-width: 1450px) {
	
}

@media screen and (max-width: 1335px) {

}

@media screen and (max-width: 1200px) {}

@media screen and (max-width: 1100px) {}

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

@media screen and (max-width: 768px) {
	.body_con{
		padding-bottom: 80px;
	}
	.nd_box{
		width: 85%;
	}
	.return_box{
		top: 20px;
		width: 26px;
		height: 26px;
		left: -5px;
	}
	.nd1_box{
		padding-top: 20px;
	}
	.nd1_box .nd1_title{
		font-size: 24px;
		line-height: 30px;
		padding-bottom: 10px;
		margin-bottom: 10px;
	}
	.nd1_box .nd1_subtitle{
		font-size: 14px;
		line-height: 14px;
	}
	.nd2_box{
		margin-top: 20px;
		font-size: 14px;
		line-height: 24px;
		margin-bottom: 30px;
	}
	.nd2_box .nd2_nav{
		margin-bottom: 10px;
	}
	.nd3_box{
		padding-top: 16px;
	}
	.nd3_box .nd3_nav{
		font-size: 12px;
	}
	.nd3_box .nd3_nav:nth-child(1) .txt{
		padding-left: 5px;
	}
	.nd3_box .nd3_nav:nth-child(2) img{
		width: 24px;
		margin: 0 10px;
	}
	.nd3_box .nd3_nav:nth-child(3) .txt{
		padding-right: 5px;
	}
	.body_con{
		padding-bottom: 20px;
	}
}

@media screen and (max-width: 414px) {}

@media screen and (max-width: 380px) {}

@media screen and (max-width: 330px) {}