.header{
	background: url(../img/back2.jpg) center top no-repeat;
	background-size:100% 100%;
}
.subTitle{
	font-size: 1.7em;
	color: #333;
	text-align: center;
	margin-top: 10px;
	margin-bottom: 50px;
}
.proList{
	width: 1130px;
	margin: auto;
}
.proItem{
	width: 260px;
	margin-right: 30px;
	margin-bottom: 40px;
	box-shadow: 0 0 30px rgba(0,32,61,.1);
	border-radius: 5px;
	padding: 20px 30px 40px 30px;
	background: #fff;
	height: 300px;
	box-sizing: border-box;
}
.proImg{
	margin: 20px;
	text-align: center;
}
.proImg img{
	width: 80px;
	height: 80px;
}
.proItem h3{
	font-size: .8em;
	text-align: center;
	margin: 10px;
}
.proItem p{
	font-size: .8em;
	line-height: 22px;
	color: #253858;
	height: 45px;
	overflow: hidden;
}
.proItem button{
	position: relative;
	bottom: -20px;
	left: 50%;
	width: 90px;
	margin-left: -45px;
}
.dbPro .proItem:nth-child(4n){
	margin-right: 0;
}
.appPro .proItem{
	width: 352px;
	height: 320px;
}
.appPro .proItem p{
	text-align: justify;
	height: 65px;
}
.appPro .proItem h3{
	font-size: 1em;
}
.appPro .proItem:nth-child(3n){
	margin-right: 0;
}
.officePro .proItem{
	width: 100%;
	text-align: left;
}
.officePro img{
	width: 300px;
	height: 200px;
	margin: 25px 50px 0 50px
}
.officePro .officeTxt{
	margin-top: 25px;
	width: calc(100% - 450px);
}
.officeTxt h3{
	font-size: 1.2em;
	text-align: left;
	margin: 0;
}
.officeTxt p{
	font-size: .9em;
	line-height: 25px;
	height: 100px;
	margin-top: 20px;
}
.officeTxt button{
	left: 50px;
}
.osPro .proItem{
	width: 550px;
	height: 280px;
}
.osPro .proItem:nth-child(2n){
	margin-right: 0;
}
.osPro img{
	width: 200px;
	height: 200px;
}
.osTxt{
	width: calc(100% - 280px);
	padding: 20px;
	padding-right: 0;
}
.osTxt h3{
	text-align: left;
	font-size: 1em;
	margin: 0;
}
.osTxt p{
	margin-top: 20px;
	text-align: left;
	height: 100px;
}
.osTxt button{
	left: 50px;
}
.proImg p {
	color: #000;
}