body{
	margin:0;
	padding:0;
	font-size:14px;
	color:#434343;
	font-family:"宋体";
}
.clear{
	clear:both;
}
li{
	list-style:none;
}
a{
	text-decoration:none;
	color:#434343;
}
.box{
	width:1200px;
	margin:0 auto;
}

.must
{
	display:  inline;
	color: Red;
	line-height: 26px;
	text-indent: 5px;
}

/*头部*/
.head{
	position: relative;
	z-index: 2;
}
.head .top1{
	height:28px;
	background:#008eb7;
}
.head .top1 .top1_box{
	width:1200px;
	margin:0 auto;
	color:#fff;
	line-height:28px;
}
.head .top1 .top1_box a{
	color:#fff;
}
.head .top1 .top1_box a span{
	color:#ffd800;
}
.head .top1 .top1_box a:hover{
	text-decoration:underline;
}
.head .top1 .top1_box .left{
	float:left;
}
.head .top1 .top1_box .left img{
	position:relative;
	top:3px;
}
.head .top1 .top1_box .right{
	float:right;
}
.head .top1 .top1_box .right img{
	float:left;
}

.head .top2{
	height:62px;
	background:#00a2ca;
}
.head .top2 .top2_box{
	width:1200px;
	margin:0 auto;
}
.head .top2 .top2_box .logo{
	float:left;
}
.head .top2 .top2_box .nav{
	float:left;
	margin-left:20px;
}
.head .top2 .top2_box .nav li{
	float:left;
	margin-right:20px;
	position: relative;
	z-index: 11111;
}
.head .top2 .top2_box .nav li:hover{
	background:#2994b3;
}
.head .top2 .top2_box .nav li a{
	color:#fff;
	font-size:16px;
	font-weight:bold;
	line-height:62px;
	padding:24px 10px;
}
.head .top2 .top2_box .nav li:hover ul{
	visibility:visible;
}
.head .top2 .top2_box .nav li ul{
	visibility:hidden;
	position:absolute;
	z-index:100;
	padding:10px 0;
	/*background:#ececec;*/
	background:#fff;
	width:142px;
	-moz-box-shadow: 1px 1px 3px 1px #bdbdbd;
    -webkit-box-shadow: 1px 1px 3px 1px #bdbdbd;
    box-shadow: 1px 1px 3px 1px #bdbdbd;
    border: 1px solid #bdbdbd\9;
    top: 62px;
    left: 0px;
}
.head .top2 .top2_box .nav li ul li{
	clear:both;
	/*background:#ececec;*/
	background:#fff;
	width:142px;
	height:32px;
	text-align:center;
	margin:0;
}
.head .top2 .top2_box .nav li ul a
{
	font-size:12px;
	color:#434343;
	font-weight:normal;
	line-height:32px;
	padding: 0px;
}
.head .top2 .top2_box .nav li ul a:hover{
	color:#fff;
}

.head .top2 .top2_box .search{
	float:right;
	background:url(../images/bg_search.png) no-repeat;
	width:191px;
	height:32px;
	margin-top:15px;
}
.head .top2 .top2_box .search .search_box{
	float:left;
	border:0;
	background:#008eb7;
	height:30px;
	width:154px;
	margin-left:4px;
	margin-top:1px;
	color:#fff;
}
.head .top2 .top2_box .search .search_btn{
	background:url(../images/search_btn.png) no-repeat;
	width:24px;
	height:24px;
	float:right;
	margin-right:5px;
	margin-top:4px;
}



/*底部*/
.index_foot{
	background:#daeaee;
	text-align:center;
	font-weight:bold;
	line-height:32px;
	padding:20px 0;
}
.foot{
	/*border-top:5px solid #00a2ca;*/
	border-top:1px solid #dcdcdc;
	text-align:center;
	font-weight:bold;
	line-height:32px;
	padding:20px 0;
}

.nei_foot{
	border-top:5px solid #00a2ca;
	/*border-bottom:1px solid #dcdcdc;
	margin:0 0 30px;*/
	/*margin-top:20px;*/
	background:#ebebeb;
	position: relative;
	bottom: 0px;
	left: 0px;
}
.nei_foot .nei_foot_left{
	float:left;
	font-family:"微软雅黑";
	font-size:16px;
	padding:20px 0 30px;
}
.nei_foot .nei_foot_left span{
	font-family:"黑体";
	font-size:24px;
	font-weight:bold;
	line-height:40px;
}
.nei_foot .nei_foot_right{
	float:right;
	width:240px;
}
.nei_foot .nei_foot_right div{
	font-family:"微软雅黑";
	font-size:18px;
	color:#fff;
	background:#ff7e00;
	padding:12px 10px;
	border-radius:5px;
	margin-top:33px;
	text-align:center;
}

/*内页*/
.nei{
	background:url(http://www.bdiai.com/images/bg_nei.jpg) repeat-y center;
	/*padding-bottom:20px;*/
}
.nei .nei_left{
	float:left;
	width:180px;
	padding:20px 0;
	background:#ebebeb;
}
.nei .nei_right{
	float:right;
	width:990px;
}

/*内页左侧导航*/
.nei .nei_left .nav .tit{
	font-size:12px;
	color:#666;
	border-bottom:1px dashed #d1d1d1;
	line-height:40px;
	margin-left:10px;
}
.nei .nei_left .nav .accoradion{
	width:180px; 
	font-size:12px;
}
.nei .nei_left .nav .accoradion ul{
	overflow:hidden;
}
.nei .nei_left .nav .accoradion li{
	border-bottom:1px dashed #d1d1d1;
		text-align: left;
}
.nei .nei_left .nav .accoradion li a
{
	height:35px;
	line-height:35px;
	overflow: hidden;
}
.nei .nei_left .nav .accoradion li a.header{
	padding:0 25px 0 0;
	display:block;
	color:#888;
	height:35px;
	line-height:35px;
	position:relative;
	margin-left:10px;
}
.nei .nei_left .nav .accoradion li a.closed{
	background:url(../images/arrowbg1.png) right no-repeat;
}
.nei .nei_left .nav .accoradion li a.opened{
	background:url(../images/arrowbg2.png) right no-repeat;
}
.nei .nei_left .nav .accoradion li ul{
}
.nei .nei_left .nav .accoradion li ul li{
	line-height:30px;
	position:relative;
	color:#959595; 
	line-height:35px; 
	border:0;
}
.nei .nei_left .nav .accoradion li ul li:hover{
	background:#fff;
}
.nei .nei_left .nav .accoradion li ul li a{
	color:#444;
	background:url(../images/ico_menu1.png) no-repeat center left; 
	border:0;
	margin-left:10px;
	font-size: 12px;
}
.nei .nei_left .nav .accoradion li ul.ul_product li a{padding:10px 70px 10px 16px;}
.nei .nei_left .nav .accoradion li ul.ul_develop li a{padding:10px 82px 10px 16px;}
.nei .nei_left .nav .accoradion li ul.ul_case li a{padding:10px 58px 10px 16px;}
.nei .nei_left .nav .accoradion li ul.ul_help li a{padding:10px 82px 10px 16px;}
.nei .nei_left .nav .accoradion li ul.ul_about li a{padding:10px 94px 10px 16px;}
.nei .nei_left .nav .accoradion li ul li a:hover{
	background:url(../images/ico_menu2.png) no-repeat center left; 
	color:#000;
}


/*标题*/
.title{
	font-size:30px;
	font-family:"黑体";
	width:990px;
	background:url(../images/bg_01.png) repeat-x center;
}
.title span{
	background:#fff;
	padding:0 10px 0 0;
}

/*文字区域*/
.textarea{
	margin-bottom:25px;
	text-align:justify;
	line-height:30px;
}
.textarea p{
	margin-right:10px;
}

.textbox
{
	line-height: 26px;
}