.nheader{
	width:100%;
	overflow: hidden;
	min-width: 1000px;
}
.header_nav{
	height:60px;
	overflow: hidden;
}
.header_nav_left{
	width:270px;
}
.header_nav_right{
	width:730px;
	overflow: hidden;
}

.header_nav_right ul li a{
	width:146px;
	height:60px;
	line-height: 60px;;
	display: block;
	font-size: 14px;
	transition: all 0.5s; 
	text-align: center;
}
.header_nav_right ul li a:hover{
	background:#f27413;
	color:#fff;
}
.header_nav_right ul li a.active{
	background:rgba(242, 116 ,19);
	color:#fff;
}
.header_nav_left img{
	margin-top:10px;
}

/*banner*/
.nbanner{
	width:100%;
	height:580px;
	position:relative
}
.banner_pos{
	width:100%;
	height:580px;
	background:url(../images/banner2.png) center no-repeat;
	position:absolute;
	top:0;
	left: 0;
}
.banner_font{
	width:1000px;
	position:absolute;
	top:0;
	text-align: center;
	left:50%;
	margin-left:-500px;
}
.banner_btn{
	width:358px;
	overflow: hidden;
	margin:420px auto 0px;
}
.bfont_01{
	font-size: 30px;
	color:#fff;
	margin-top:180px;
}
.bfont_02{
	margin-top:34px;
}
.banner_btn a{
	display: block;
	float: left;
	width:172px;
	height:48px;
	text-align: center;
	line-height: 48px;
	background:#f27413;
	color:#fff;
	border:1px solid #f27413;
}
.banner_btn a.r{
	background:none;
	margin-left: 10px;
	border:1px solid #f27413;
	color: #f27413;
}
.con_gray{
	width:100%;
	padding:30px 0;
	overflow: hidden;
	background:#f2f2f2;
}
.con_white{
	width:100%;
	padding:30px 0;
	overflow: hidden;
	background:#fff;
}
.con_ntitle{
	width:100%;
	/*margin-top:25px;*/
	overflow: hidden;
	text-align: center;
}
.con_ntitle_t{
	font-size: 22px;
	color:#333;
}
.con_ntitle_m{
	width:600px;
	font-size: 20px;
	color:#999;
	margin:0 auto;
	background:url(../images/con_nbg.png) center no-repeat;
}
.con_ntitle_b{
	height:20px;
	line-height: 20px;
	font-size: 16px;
	color:#666;
}
/*about us*/
.index_about{
	overflow: hidden;
	margin-top:30px;
}
.index_about_item{
	width:320px;
	height:172px;
	text-align: center;
	float: left;
	overflow: hidden;
}
.index_about_item a{
	display: block;
	width:100%;
	height:100%;
	transition: all 0.5s; 
	overflow: hidden;
}
.index_about_item a .iai_img{
	display: block;
	margin:20px 0 10px 0;
}
.index_about_item a  .iai_title{
	color:#333;
	font-size: 16px;
}
.index_about_item a  .iai_des{
	color:#999;
	font-size: 16px;
}
.index_about_item a:hover{
	background:#fff;
	color:#333;
}

.index_about_items{
	width:248px;
	height:172px;
	text-align: center;
	float: left;
	overflow: hidden;
	cursor: none;
}
.index_about_items a{
	display: block;
	width:100%;
	height:100%;
	transition: all 0.5s; 
	overflow: hidden;
}
.index_about_items a .iai_img{
	display: block;
	margin:20px 0 10px 0;
}
.index_about_items a  .iai_title{
	color:#333;
	font-size: 16px;
}
.index_about_items a  .iai_des{
	color:#999;
	font-size: 16px;
}

/*核心业务*/
.index_service{
	width:1300px;
	margin:30px auto;
	overflow: hidden;
}
.index_service_t{
	overflow: hidden;
	height:60px;
	margin:30px 0 10px 25px;
}
.ist_item{
	width:205px;
	font-size: 16px;
	text-align: center;
	float: left;
}
.ist_item a img{
	transition: all 0.5s;
}
.ist_item a img:hover{
	transform:rotate(60deg);
}
.ist_font{
	font-style:italic;
	font-size: 26px;
	color:#f27413;
}
.index_service_m img{
	vertical-align: middle;
}
.index_service_b{
	overflow: hidden;
	margin:10px 0 0 25px;
}
/*服务案例*/
.index_cases{
	width:1000px;
	height:400px;
	margin:30px auto;
	position:relative;
}
.csb_btn{
	width:30px;
	height:30px;
	cursor: pointer;
	position:absolute;
	top:50%;
	margin-top:-15px;
}
.csb_btn_left{
	left:20px;
	background:url(../images/csb_left.png) no-repeat;
}
.csb_btn_right{
	right:20px;
	background:url(../images/csb_right.png) no-repeat;
}
.case_show_box{
	width:1000px;
	height:400px;
	overflow: hidden;
	margin:0 auto;
}
.case_show_box ul{
	width:1000px;
	margin-left:0;
}
.case_show_box ul li{
	margin: 5px 5px;
}
.case_show_box ul li a{
	display: block;
	width:240px;
	height:190px;
	background:#fff;
	overflow: hidden;
	transition:all 0.5s;
   -webkit-box-shadow:0 0 1px 1px #eee;  
  	-moz-box-shadow:0 0 1px 1px #eee;  
  	box-shadow:0 0 1px 1px #eee;  
}

.case_show_box ul li a:hover{
	color:#333;
   -webkit-box-shadow:0 0 1px 1px #ccc;  
  	-moz-box-shadow:0 0 1px 1px #ccc;  
  	box-shadow:0 0 1px 1px #ccc;  
}
.case_show_box ul li a .csb_img{
	width:220px;
	height:130px;
	overflow: hidden;
	margin:10px;
}
.case_show_box ul li a .csb_img img{
	width:220px;
	height:130px;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	transition: all 0.5s; 
}
.case_show_box ul li a .csb_img img:hover{
	-webkit-transform: scale(1.20);
}
.case_show_box ul li a .csb_title{
	width:250px;
	height:30px;
	line-height: 30px;
	margin-left: 10px;
	text-overflow:ellipsis;
	overflow: hidden;
	white-space: nowrap;
}
/*新闻中心*/
.index_news{
	overflow: hidden;
	margin:30px auto;
}
.index_news_left, .index_news_right{
	width:485px;
}
.top_news_img{
	width:485px;
	height:180px;
}
.top_news_img img{
	width:100%;
	height:100%;
}
.top_news_title{
	width:90%;
	height:40px;
	line-height: 40px;
	text-overflow: ellipsis;
	overflow: hidden;
	font-size: 16px;
	color:#333;
}
.top_news_des{
	width:95%;
	height:72px;
	font-size: 14px;
	color:#999;
	display:-webkit-box;
	overflow:hidden;
	text-overflow:ellipsis;
	word-break:break-all;
	-webkit-box-orient:vertical;
	-webkit-line-clamp:3;
}
.tnr_items{
	overflow: hidden;
	margin-bottom:10px;
}
.tnr_items_l{
	width:88px;
	height:64px;
	color:#999;
	background:#f2f2f2;
	text-align: center;
}
.tnr_items_r{
	width:385px;
	margin-left:10px;
	height:64px;
	line-height:64px;
	color:#999;
	background:#f2f2f2;
}
.tnr_items_r a{
	display: block;
	width:372px;
	font-size: 16px;
	text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
	transition: all 0.5s;
	padding-left: 10px;
	border-right:3px solid #f2f2f2;
	color:#333;
}
.tnr_items_r a:hover{
	border-right:3px solid #e75f63;
	color:#fff;
	background:#e75f63;
}
.tnr_items_lt{
	font-size: 22px;
}
.tnr_items_lb{
	font-size: 16px;
	height:20px;
	line-height: 20px;
}


/*footer*/
#nfooter{
	width:100%;
	color:#fff;
	padding:30px 0;
	background:#3e3e3e;
	overflow: hidden;
	/* position: fixed;;
	left: 0;
	bottom: 0; */
	/* overflow: hidden; */
	font-size: 16px;
}
.index_footer{
	overflow: hidden;
}
.index_footer_left{
	width:850px;
}
.index_footer_left ul{
	display: block;
	float: none;
	margin-bottom: 20px;
	overflow: hidden;
}
.index_footer_left ul li{
	overflow: hidden;
	width:120px;
	text-align: left;
}
.index_footer_left ul li a{
	color:#eee;
	transition: all 0.5s;
	font-size: 14px;
}
.index_footer_left ul li a:hover{
	color:#fff;
}
.index_footer_right{
	width:150px;
}
.index_footer_left p{
	display: block;
	color:#eee;
	font-size: 12px;
}
.index_footer_right{
	width:90px;
	padding:5px;
	height:110px;
	font-size: 14px;
	background:#666666;
	color:#fff;
}
.index_footer_right img{
	width:90px;
	height:90px;
}