
header a{
	text-decoration: none;
	color: #fff;
}




header{
	background:url(../image/head_help.jpg) no-repeat center top;
	background-size: cover;
	height: 278px;
}
header nav{
	height: 65px;
	background-color: rgba(0,0,0,0.2);
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 999999;
}
header nav{
	-webkit-transition: height 0.3s;
	-moz-transition: height 0.3s;
	-ms-transition: height 0.3s;
	-o-transition: height 0.3s;
	transition: height 0.3s;
}
header nav .menus, header nav .nav li{
	-webkit-transition: line-height 0.3s;
	-moz-transition: line-height 0.3s;
	-ms-transition: line-height 0.3s;
	-o-transition: line-height 0.3s;
	transition: line-height 0.3s;
}
header nav h1{
	-webkit-transition: margin-top 0.3s;
	-moz-transition: margin-top 0.3s;
	-ms-transition: margin-top 0.3s;
	-o-transition: margin-top 0.3s;
	transition: margin-top 0.3s;
}
header nav.navfixed{
	height: 50px;
	position: fixed;
}
header nav.navfixed h1{
	margin-top:5px;
}
header nav.navfixed .menus{
	line-height: 50px;
}
header nav.navfixed .nav li{
	line-height: 50px;
}

header nav h1{
	font-size: 0;
	line-height: 0;
	float: left;
	margin-left: 40px;
	margin-top: 12px;
}
header nav .nav{
	float: right;
}
header nav .nav li{
	float: left;
	margin-left: 38px;
	line-height: 65px;
}
header nav .nav li a{
	font-size: 15px;
	-webkit-transition: color 0.3s;
	-moz-transition: color 0.3s;
	-ms-transition: color 0.3s;
	-o-transition: color 0.3s;
	transition: color 0.3s;
}
header nav .nav li a.active{
	color: #42b8f1;
	text-decoration: underline;
}
header nav .nav li a:hover{
	color: #42b8f1;
	text-decoration: underline;
}
header nav .menus{
	float: right;
	margin-left: 40px;
	line-height: 65px;
	margin-right: 40px;
}
header nav .menus li{
	float: left;
	margin-left: 25px;
}
header nav .menus li a{
	width: 80px;
	height: 27px;
	display: inline-block;
	text-align: center;
	line-height: 27px;
	border-radius: 15px;
}

header nav .menus li:first-child a{
	border: 1px solid #42b8f1;
	background-color: #42b8f1;
}
header nav .menus li:last-child a{
	border: 1px solid #fff;
}
header nav .menus li a:hover{
	background-color: #1f658c;
	border: 1px solid #1f658c;
}
header .toptatle{
	width: 1200px;
	margin: 0 auto;
	padding-top: 65px;
}
header .toptatle h2, header .toptatle font{
	text-align: center;
	font-size: 40px;
	color: #fff;
	margin-top: 70px;
	font-weight: bold;
}
 header .toptatle h2{
	text-align: center;
	font-size: 40px;
	color: #fff;
	margin-top: 70px;
	
}
 header .toptatle p{
 	text-align: center;
 	color: #fff;
 	font-size: 20px;
 	line-height: 20px;
 	margin-top: 35px;
 }
 header .toptatle p span{
 	height: 1px;
 	background-color: #6b717f;
 	width: 490px;
 	vertical-align:middle;
 	display: inline-block;
 }
 header .toptatle p span:first-child{
 	margin-right: 50px;
 }
 header .toptatle p span:last-child{
 	margin-left: 50px;
 }
 
 .searchBtn{
 	vertical-align:middle;
 }
 .searchBtn:hover{
	background-color: #1f658c;
}
.searchBtn{
	width: 120px;
	height: 40px;
	display: inline-block;
	border-radius: 5px;
	text-align: center;
	line-height: 40px;
	background-color: #49b5f1;
	-webkit-transition: background-color 0.2s;
	-moz-transition: background-color 0.2s;
	-ms-transition: background-color 0.2s;
	-o-transition: background-color 0.2s;
	transition: background-color 0.2s;
}
.search #search{
	width: 555px;
	height: 40px;
	border-radius: 5px;
	margin-right: 5px;
	border: none;
	text-indent: 2em;
}

 
.search{
	text-align: center;
}
header .help p{
	margin-top: 70px;
}
 header .help .search{
  	margin-top: 25px;
  }
 header .help p span:first-child{
 	margin-right: 24px;
 }
 header .help p span:last-child{
 	margin-left: 24px;
 }
 
 
header .help .searchsan{
	margin-top: 90px;
}
.searchsan input:nth-child(1), .searchsan a:nth-child(2){
	float: left;
}
.searchsan a:nth-child(3), .searchsan a:nth-child(4){
	float: right;
}
.btn1:hover{
	background-color: #436514;
}
.btn1{
	background-color: #80b33b;
}
.search .maskbtn{
	margin-left:10px ;
}