*{
	padding: 0;
	margin: 0;
}
ul,li{
	list-style: none;
}
a{
	text-decoration: none;
}
body{
	background-color: #fafafa;
}
.top_title{
	height: 160px;
	width: 1200px;
	margin: 0 auto;
}
.top_title .top_name{
	float: left;
	line-height: 1;
	font-size: 48px;
	color: #22a5ed;
	margin-top: 40px;
	font-weight: normal;
}
.top_title form{
	float: right;
	margin-top: 80px;
	height: 40px;
	width: 360px;
	background-color: #fff;
	border-radius:50px;
}
.top_title form input{
	height: 100%;
	border: none;
	float: left;
	border-radius: 50px;
	outline: none;
}
.top_title form input[type="text"]{
	padding-left: 22px;
	width: 278px;
}
.top_title form input[type="submit"]{
	width: 60px;
	background-image: url(../images/btn_search.png);
	background-position: center;
}
.nav{
	width: 100%;
	height: 50px;
	background-color: #2273ed;
}
.nav .nav_list{
	width: 1200px;
	margin: 0 auto;
	height: 50px;
}
.nav .nav_list li{
	float: left;
}
.nav .nav_list li.active{
	background-color: #1b5cbe;
}
.nav_list li a{
	display: inline-block;
	color: #fff;
	line-height: 50px;
	width: 100px;
	text-align: center;
	font-size: 18px;
}
.content{
	width: 1200px;
	margin: 0 auto;
	margin-top:50px ;
}