.clear_fix{
	display: block;
	content: "";
	clear: both;
}
.logo{
	float: left;
	margin:20px 0px 0 5px;
}
.logo a{
	display: block;
}
.public_header{
	position: fixed;
	width: 100%;
	margin:0 auto;
	overflow: hidden;
	z-index: 99999;
	/*background-color: #747587;*/
}
.public_header .nav{
	float: right;
}
.public_header .nav>ul{
	height: 80px;
	line-height: 80px;
}
.public_header .nav>ul>li{
	display: inline-block;
	height: 40px;
	line-height: 40px;
	text-align: center;
	margin-right: 30px;
}
.public_header .last_li{
	margin-right: 0px!important;
}
.public_header .nav>ul>li>a{
	display: block;
	color: #ccc;
	font-weight: 400;
}

.public_header .nav>ul>li>a:hover{
	border-bottom: 3px solid #4cbcbe;
	color: #4cbcbe;
	opacity: 1;
	transition: 2s ease;
}

.nav_a_hover{
	border-bottom: 3px solid #4cbcbe;
	color: #4cbcbe;
}
.public_header .concat_phone{
	float: right;
	margin: 22px 0 0 30px;
}
.public_header .concat_phone div{
	display: inline-block;
	color: #ccc;
}
.public_header .phone_img{
	width: 32px;
	height: 32px;
}
.public_header .phone_number{
	color: #ccc;
}
/*子导航*/
.son_nav{
	position: absolute;
	box-shadow: 0px 1px 13px #eeeeee;
	display: none;
	z-index: 999;

}
.son_nav li{
	line-height: 38px;
	background: #ffffff;

}
.son_nav li a{
 height: 38px;
	text-align: center;
	width: 98px;
	color: #999999;
	display: block;
	border-top: 1px solid #eeeeee;
}
.son_nav li a:hover{
	color: #4cbcbe;
	opacity: 1;
	transition: 1s ease;
	background: #eeeeee;
	box-shadow: 0px -3px 13px #eeeeee;

}