.intro_wrap{
	background: #6faec0;
	text-align: center;
	padding-top: 39px;
	padding-bottom: 62px;
}
.d_logo{
	width: 353px;
	margin-bottom: 15px;
}
.intro{
	font-size: 15.35px;
	color: #fff;
	width: 880px;
	margin: 0 auto;
	text-align: left;
	line-height: 1.8;
	margin-bottom: 23px;
}
.advantage{
	padding-top: 101px;
	padding-bottom: 169px;
}
.d_tit{
	font-size: 30.72px;
	color: #000;
	font-weight: 700;
	text-align: center;
}
.ad_items{
	overflow: hidden;
	margin-top: 100px;
}
.ad_items li{
	float: left;
	width: 20%;
	text-align: center;
}
.ad_items li img{
	height: 57px;
	margin-bottom: 18px;
	margin-top: 9px;
}
.ad_items li span{
	display: block;
	font-size: 19.72px;
	color: #666;
	margin-bottom: 5px;
}