body{
	width:1920px;
	height:1080px;
	padding:0;
	margin:0;
}
.main-container{
	position:relative;
	width:100%;
	height:100%;
}
.left-content{
	position:fixed;
	left:0px;
	width:250px;
	height:100%;
	background:#1b2224;
	z-index:10;
}
.logo{
	display:block;
	margin:52px auto 18px;
}
.logo-title{
	text-align:center;
	color:#fff;
	font-size:24px;
	margin-bottom:45px;
}
.left-nav{
	width:100%;
	text-align:center;
}
.left-nav li{
	height:50px;
	line-height:50px;
}
.left-nav li a{
	display:block;
	height:50px;
	overflow:hidden;
	color:#999;
	font-size:16px;
}
.left-nav li a:before{
	content:"";
	display:inline-block;
	width:22px;
	height:22px;
	vertical-align:middle;
	margin-right:16px;
}
.left-nav li:nth-child(1) a:before{
	background:url(../../image/self/plus/nav-ico1.png) no-repeat;
}
.left-nav li:nth-child(2) a:before{
	background:url(../../image/self/plus/nav-ico2.png) no-repeat;
}
.left-nav li:nth-child(3) a:before{
	background:url(../../image/self/plus/nav-ico3.png) no-repeat;
}
.left-nav li:nth-child(4) a:before{
	background:url(../../image/self/plus/nav-ico4.png) no-repeat;
}
.left-nav li.on{
	background:#e50112;
}
.left-nav li.on a{
	color:#fff;
}
.left-nav li.on a:before{
	background-position:100% 0;
}
.right-content{
	display:block;
	padding:50px 0 0 250px;
	font-size:14px;
}
.content-block{
	margin:0 50px 40px 35px;
}
.content-title{
	overflow:hidden;
	margin-bottom:25px;
}
.content-title h3{
	padding:0 25px;
	font-size:26px;
	display:inline-block;
	height:40px;
	font-family:"MicrosoftYaHei";
	font-weight:normal;
	color:#e50112;
	background:url(../../image/self/title-bg1.png) left top no-repeat,
					url(../../image/self/title-bg2.png) right top no-repeat;
}
.content-title h4{
	padding:0 0 0 25px;
	font-size:22px;
	font-family:"Arial";
	font-weight:normal;
	color:#b4b4b4;
}
.content-box{
	padding-left:25px;
}
.tech-p{
	font-size:14px;
	line-height:24px;
	margin-bottom:15px;
}
.tech-ul{
	text-align:justify;
}
.tech-ul li{
	display:inline-block;
	text-align:center;
}
.tech-ul1 li{
	width:373px;
	height:280px;
}
.tech-ul1 li img{
	width:373px;
	height:230px;
}
.tech-ul li p{
	height:50px;
	font-size:14px;
	line-height:50px;
}
.tech-ul2 li{
	width:295px;
	height:272px;
}
.tech-ul2 li img{
	width:295px;
	height:202px;
}
.tech-ul3 li{
	width:504px;
	height:348px;
	margin-bottom:10px;
}
.tech-ul3 li img{
	width:504px;
	height:298px;
}
.class-img{
	display:block;
	margin:30px auto 0;
}