.logo{float: left; height: 80px; padding: 20px 50px 0 0;}
.hl_nav{
    position: relative;
    color: #333;
    min-width: 1300px;
    height: 100px;
}
.hl_nav .shade{
    position: absolute;
    width: 100%;
    height: 500px;
    top: 100px;
    left: 0;
    z-index: 1;
    background-color: #2baee2;
    opacity: 0.9;
    filter: alpha(opacity=90);
    box-shadow: 0 5px 15px #CCCCCC;
    display: none;
    border-bottom: #ffffff solid 1px;
    border-bottom: rgba(255,255,255,0.3) solid 1px;
}
.hl_nav .nav_list{
    position: absolute;
    top: 0;
    left: 50%;
    margin: 0 0 0 -683px;
    z-index: 2;
    padding: 0;
    list-style: none;
    width: 1366px;
    overflow: hidden;
    height: 100px;
}
.hl_nav .nav_list>li{
    padding: 0;
    float: left;
    margin: 0;
    width: auto;
	padding:0 10px;
    text-align: center;
    height: 500px;
}
.hl_nav .nav_head{
    height: 100px;
    line-height: 100px;
    color: #333;
    font-size: 16px;
}
.hl_nav .nav_head .icon{
    font-size: 18px;
}
.hl_nav .item{
    height: 40px;
    line-height: 40px;
    color: #fff;
    position: relative;
}
.hl_nav .item:hover:after{
    content: '';
    display: block;
    position: absolute;
    width: 60px;
    height: 2px;
    bottom: 5px;
    left: 30px;
    background-color: #0797d0;
}
.hl_nav .nav_list:hover{
    height: 500px;
    transition: height 0.3s;
}
.hl_nav .nav_list:hover + .shade{
    display: block;
}
.hl_nav .nav_list>li.highlight:hover{
    background-color: #1b9bce;
}
.hl_nav .nav_list>li:hover .nav_head,.hl_nav .nav_list>li.active .nav_head{
    border-bottom: #08739e 2px solid;
}
.hl_nav .nav_list>li.right{
    float: right;
}
.hl_nav .nav_list>li:hover .item{

}