.head_bg{
}
#top{
	height: 120px;
	width: 100%;
	margin: 0 auto;
}
.wel_bg{
	width: 100%;
	background-color: #1857A4;
}

.welcome_bar{
	height: 25px;
	margin: 0 auto;
	width: 1200px;
	line-height: 25px;
	color: #ffffff;
	font-size: 13px;
	font-family: PingFang-SC-Bold,'宋体';
}
.top_main{
	width:1200px;
	margin: 0 auto;
	position: relative;
	padding-top: 25px;
}

.logo_nav_search_bar{
	height: 50px;
	width: 1200px;
	margin: 0 auto;
}



.logo_block{
	height: 65px;
	position: relative;
	width: 460px;
	float: left;
}
.logo{
	height: 65px;
	width:460px;
	float: left;
	display: block;
	background: url("../images/logo_web.png") no-repeat;
	background-size: 100% 100%;
	cursor: pointer;
}

.nav_block{
	height: 50px;
	width: 565px;
}
.nav_block ul li{
	width: 80px;
	float: left;
	text-align: center;
	position: relative;
}
.nav_block ul li a {
	display: block;
	width:100%;
	height: 50px;
	line-height: 50px;
	font-size: 16px;
	font-family: PingFang SC;
	font-weight: bold;
	color: #1857A4;
}
.nav_block ul li a:hover{
	text-decoration: underline;
}

.nav_block ul li ul{
	position: absolute;
	width: 200%;
	transform: translateX(-25%);
	background-color: gray;
	z-index: 9;
	background-color:#00a0e9 ;
	display: none;
}
.nav_block ul li ul li{
	text-align: center!important;
	width: 100%;
}
.nav_block ul li ul li:hover{
	background-color:#5bcaff;
}
.nav_block ul li ul li a{
	color: #ffffff;
	font-size: 14px;
}
.nav_block ul li ul li a:hover{
	text-decoration: none;
}




.search_block{
	height: 50px;
	width: 160px;
}
.search_icon{
	height: 16px;
	width:16px;
	cursor: pointer;
	margin-top: 18px;
}
.search_icon img{
	height: 16px;
	width: 16px;
}

.searchBox{
		display: none;
	    width: 160px;
	    height: 30px;
	    line-height:30px;
	    background: rgba(255,255,255,1);
	    border: 1px solid #0066bb;
	    overflow: hidden;
	    box-sizing: border-box;
	    margin-top: 10px;
}

.searchBox input{
	border: none;
	padding:1px 0px 1px 5px!important;
	width:110px;
	color: #888888!important;
	margin-bottom: 0!important;
	display: inline-block;
	float: left;
	line-height: 30px;
}
.searchBox input:focus {
	border-color: #e6f1fb;
	outline: 0;
	-webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 1px rgba(102, 175, 233, 0.3);
	box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 1px rgba(102, 175, 233, 0.3);
} 
.searchBox span{
	display: block;
	float: right;
	width: 40px;
	text-align: center;
	line-height: 30px;
	height: 30px;
	cursor: pointer;
}
.searchBox span:hover{
	text-decoration: underline;
}

.top_image{
	width:100%;
	height:426px;
	background-image:url("../images/top_bg_pic.jpg");
	background-size:100% 100% ;
	position: relative;
}