.work_nav{
	position:relative;
	margin-top:80px;
}
.work_nav_bg{
	overflow:hidden;
}
.work_nav_bg img{
	width:100%;
	float:left;
}
.work_nav_th{
	width:589px;
	height:123px;
	position: absolute;
	top:110px;
	left:280px;
	z-index: 3;
}
/* 以上为nav部分 */
.work_main{
}
.work_main_nav{
	height:58px;
}
.work_main_nav>ul{
	width:1200px;
	margin:0 auto;
}
.work_main_nav>ul>li{
	height:58px;
	line-height:58px;
	float:left;
	margin-right:50px;
	color:#010101;
	font-size:14px;
}
.work_main_nav>ul>li:hover{
	cursor: pointer;
}
#work_main_nav_sel{
	height:56px;
	border-bottom:2px solid #3e796b;
    color:#3e796b;
}
.work_main_content{
	border-top:1px solid #d4d4d4;
	background:#f4f3f3;
}
.work_main_content_header{
	text-align:center;
	color:#3E796B;
	font-size:30px;
	width:1200px;
	margin:0 auto 10px;
	padding-top:20px;
}
.work_main_content_header .info{
	text-align: center;
    height: 30px;
    border-bottom: 1px dashed #ccc;
    padding: 10px 0;
    margin: 0;
    font-weight: normal;
    color: #999;
    margin-bottom: 20px;
}
.work_main_content_th{
	padding: 20px 60px;
	width:1200px;
	margin:0 auto ;
}
.work_main_content_th p{
	line-height:33px;
	color:#030303;
	font-size:14px;
}
.work_main_content_th_div{
	height:231px;
}
.work_main_content_th_div>div{
	line-height:33px;
	color:#030303;
	font-size:14px;
    float:left;
}
/* 以上main部分 */
@media screen and (max-width:1440px){

	.work_main_nav>ul>li{
		margin-right: 50px;
	}
}