body
{
    min-width: 1200px;
    margin: 0px;
    padding: 0px;
    font-family: 微软雅黑;     
}
.background1{
	background: #E2E4F1;
}
.project h1,.preview h1{	
	color: #0F51A5;
}
.project .left ul>li>span.main{
	color: #0F51A5;
}
.project .left ul>li>.before{
	background: url(../img/images/zhongjing_02.jpg) no-repeat center center;
}
.background2{
	background: #0F51A5;
}
.background3{
	background: #E2E4F1;
	padding: 50px 0;
}
.preview{
	width: 1200px;
	margin: 0 auto;
	text-align: center;
}
.preview>img{
	margin: 18px;
}
.system{
	color: white;
}
.project>h1,.preview>h1{
	background: url(../img/images/line_02.png) no-repeat center center;
}
.system>h1{
	background: url(../img/images/line_04.png) no-repeat center center;
}