.wrap {
	width: 100%;
	float: left;
}



body a {
	text-decoration: none;
	color: #555;
	line-height: 200%;
}


body ul,body ul li,
body ol {
	list-style: none;
}

body em {
	font-style: normal;
}

body input,
body textarea,
body select {
	border: none;
	outline: none;
}

img,a,div,b,em,i,li,p,h3,span {
	transition: all 0.6s cubic-bezier(0.215, 0.61, 0.355, 1) 0s;
}



/*an栏目*/

.header_bk {
	position: fixed;
	left: 0;
	top: 20px;
	z-index: 9999;
}
.header_bg{ 
	background: #272727; 
	box-shadow: 0 4px 10px rgba(0, 0, 0, .1);
}
.header_le.header_bg{ 
	background: #fff; 
	box-shadow: 0 4px 10px rgba(0, 0, 0, .1);
}
.header {
	width: 85%;
	max-width: 1400px;
	min-width: 1200px;
	height: 90px;
	margin: 0 auto;
	position: relative;
}

.header .logo {
	width:148px;
	height: 50px;
	background-repeat: no-repeat;
	background-size: contain;
	background-position: center;
	background-image:url(logo.png);
	margin-top: 18px;
	float: left;
}
.header_le .header .logo {
	background-image:url(logo2.png);
}
.header .logo.b,
.header_le .header .logo.b{
	margin-top: 18px;
}
.header .nav {
	width: auto;
	float: right;
	height: 100%;
}

.header .nav li {
	height: 100%;
	float: left;
	position: relative;
	margin-right: 5px;
}

.header .nav li a.nav_link{
	display: block;
	text-align: center;
	line-height: 90px;
	padding:0 25px;
	height: 90px;
	font-size: 15px;
	position: relative;
	color: #fff;
}
.header_le .header .nav li a.nav_link{
	color: #000;
}

.header .nav li a.b {
	height: 80px;
	line-height: 80px;
}

.header .nav li a.nav_link b {
	display: block;
	width:0;
	height: 2px;
	position:absolute;
	left: 50%;
	transform: translateX(-50%);
	z-index: -1;
	bottom: 15px;
	background: #fff;
}
.header_le .header .nav li a.nav_link b{
	background: #363636;/*栏目下横线*/
}

.header .nav li a:hover,
.header .nav li a.on {
	
}

.header .nav li a:hover b,
.header .nav li a.on b {
	width: 60%;
}


/*an次导航*/

.header .nav li ul.subnav {
	opacity: 0;
	visibility: hidden;
	background: rgba(0,0,0,.7);/*栏目色*/
	border-top: 0;
	box-shadow: 0 6px 10px rgba(0,0,0,.2);
	position: absolute;
	width: 210px;
	top: 90px;
	left: 0;
}

.header .nav li ul.subnav li {
	width: 210px;
	border-bottom: transparent 1px solid;
	margin-left: 0;
}

.header .nav li ul.subnav li a {
	background: transparent;
	color: #fff;
	width: auto !important;
	padding: 10px 20px 10px 20px;
	height: 20px;
	line-height: 20px;
	display: block;
	font-size: 12px;
	text-align: left;
	transition: all 0.3s ease-out 0s;
}

.header .nav li ul.subnav li a span {
	display: block;
	float: left;
	width: 135px;
}

.header .nav li ul.subnav li i {
	float: right;
	margin-top: 5px;
	opacity: 0;
	transition: all ease-out .2s;
	display: inline-block;
	width: 12px;
	height: 12px;
	background: url(../images/subnav.png);
}

.header .nav li ul.subnav li a:hover {
	background: #000;/*栏目连接色*/
	text-indent: 10px;
}

.header .nav li ul.subnav li a:hover i {
	opacity: 1;
}

.header .nav li:hover ul.subnav {
	opacity: 1;
	visibility: visible;
}

.header .head_search {
	float: right;
	width: 50px;
	height: 100%;
	margin-left: 0px;
}

.header .head_search i {
	display: block;
	height: 100%;
	background-image: url(search.png);
	width: 50px;
	background-repeat: no-repeat;
	background-position: center;
	cursor: pointer;
	background-size: 25px;
}
.header_le .header .head_search i {
	background-image: url(search2.png);
}
.i_page .header .head_search i{background-image: url(search_icon.png);}
.i_page .header_bg .header .head_search i{background-image: url(search.png);}
.header .head_search form {
	display: block;
	position: absolute;
	right: 0;
	top: 90px;
	padding: 0 20px;
	height: 0;
	overflow: hidden;
	transition: all 0.6s cubic-bezier(0.215, 0.61, 0.355, 1) 0s;
	filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=50);
	filter: progid: DXImageTransform.Microsoft.gradient(startColorstr=#7f003065, endColorstr=#7f003065);
	background: rgba(0,0,0,.5);
}

.header .head_search input[type="text"] {
	display: block;
	float: left;
	width: 150px;
	line-height: 28px;
	height: 28px;
	overflow: hidden;
	border: 1px solid #eee;
	color: #999;
	padding: 0 10px;
	text-align: left;
}

.header .head_search input[type="submit"] {
	display: block;
	float: left;
	width: 50px;
	height: 30px;
	background-image: url(search_icon.png);
	background-repeat: no-repeat;
	background-position: center;
	background-size: 60%;
	cursor: pointer;
	background-color: #272727;
}

.header .head_search:hover form {
	height: 30px;
	padding: 15px 20px;
}