.enterprise{
	width: 100%;
	padding: 30px 0 0px;
	text-align: center;
}
.head-navigation ul .diyi{
    border-bottom: 3px solid #2868E8;
}
.enterprise h3{
	font-size: 25px;
	text-align: center;
	margin-bottom: 10px;
	color: #474747;
}
.enterprise p{
	font-size: 16px;
	color: #474747;
	text-align: center;
	margin-bottom: 10px;
	font-weight: normal;
}
.Marketing{
	width: 100%;
	padding: 40px  0px;
	text-align: center;
	background-color: #f2f2f2;
}
.Marketing p{
	    font-size: 14px;
	    color: #333;
	    margin-bottom: 10px;
	    text-align: center;
}
.Marketing .img{
	display: block;
    margin: 30px auto 30px;
}
.Marketing .img1{
	margin-top: 20px;
}
.construction{
	width: 100%;
	
}
.construction-a{
	position: relative;
	padding: 40px  0px;
	width: 1250px;
	margin: auto;
	height: 600px;
}
.construction-a img{
	float: right;
	position: absolute;
	right: 0;
	top: 130px;
	
}
.construction-a-a{
	padding: 20px 0px;
	width: 700px;
	
}
.construction-a-a h3{
	font-size: 25px;
	color: #474747;
	text-align: left;
	margin-bottom: 50px;
}
.construction-a-a h4{
	font-size: 18px;
	color: #666;
	text-align: left;
	margin-bottom: 10px;
}
.construction-a-a p{
	font-size: 14px;
	line-height: 25px;
	color: #333;
	text-align: left;
}
.mobilephone{
	width: 100%;
	padding: 50px 0px;
	background: url(http://bdgw.90qhkj.com/app_list.png) left top repeat-x;
}
.mobilephone-a{
	width: 1250px;
	margin: auto;
	display: flex;
	justify-content: space-between;
}
.mobilephone-a-a{
	width: 490px;
	height: 167px;
	margin-top: 100px;
}
.mobilephone-a-a h3{
	font-size: 25px;
	color: #474747;
	text-align: left;
	margin-bottom: 50px;
}
.mobilephone-a-a h4{
	font-size: 18px;
	color: #666;
	text-align: left;
	margin-bottom: 10px;
}
.mobilephone-a-a p{
	font-size: 14px;
	line-height: 25px;
	color: #333;
	text-align: left;
}
.optimization{
	padding: 40px 0px;
	width: 100%;
	background: url(http://bdgw.90qhkj.com/app_list.png) left top repeat-x;
	text-align: center;
}
.optimization-a{
	width: 1250px;
	height: 420px;
	margin: 50px auto 0;
}
.biaoti{
	font-size: 25px;
	text-align: center;
	margin-bottom: 10px;
	color: #474747;
}
.optimization-a-a{
	width: 1250px;
	height: 180px;
	display: flex;
	justify-content: space-between;
}
.optimization-a-a-a{
	width: 190px;
	height: 195px;
	text-align: center;
	
}
.optimization-a-a-a img{
	margin-top: 20px;
}
.optimization-a-a-a p{
	    height: 30px;
	    line-height: 30px;
	    font-size: 14px;
	    color: #4c4c4c;
	    text-align: center;
}
.case{
	padding: 60px 0px;
	width: 100%;
	background: url(http://bdgw.90qhkj.com/app_list.png) left top repeat-x;
	text-align: center;
}
.case h1{
	font-size: 25px;
	text-align: center;
	margin-bottom: 10px;
	color: #474747;
}
.case img{
	margin-top: 30px;
	margin-bottom: 200px;
}