/*导航*/
.clear_fix:after,
.clear_fix:before {
    content: "";
    display: block;
    clear: both;
}
.w-container {
    width: 1000px;
    margin: auto;
}
.nav_box{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 99;
}
.nav_box{
    width: 100%;
    height: auto;
}
.nav_bg{
    padding-top: 20px;
    background: -webkit-linear-gradient( top, rgba(0,0,0,0.5), rgba(0,0,0,0));
    background: -moz-linear-gradient( top, rgba(0,0,0,0.5), rgba(0,0,0,0));
    background: -o-linear-gradient( top, rgba(0,0,0,0.5), rgba(0,0,0,0));
    background: linear-gradient( top, rgba(0,0,0,0.5), rgba(0,0,0,0));
    padding-bottom: 20px;
}
.w-logo{
    display: inline-block;
    width:115px;
}
.w-logo > img{
    max-width: 100%;
}
.nav_left{
    width: 300px;
    float: left;
}
.nav_left p{
    display: inline-block;
    color: #fff;
    float: right;
    border-left: 1px solid #fff;
    height: 34px;
    line-height: 1.3;
    font-size: 14px;
    padding-left: 20px;
}
.nav_left p span{
    font-size: 18px;
    font-weight:bold;
    padding: 0 10px 0 12px;
}
.nav_left p em{
    font-weight: normal;
    font-style: normal;
    font-size: 12px;
    cursor: pointer;
}
.nav_ul{
    width: 700px;
    float: right;
}
.nav_ul li{
    width: 85px;
    display: inline-block;
    text-align: right;
    font-size: 16px;
    text-align: center;
    float: left;
    box-sizing: border-box;
}
.nav_ul li a{
    color: #fff;
    position: relative;
}

.nav_ul li a span{
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background: #3086c0;
    transition: width .6s;
}
.nav_ul li:hover a span{
    width: 100%;
}
.nav_ul li.nav_active span{
    width: 100%;
}
.nav_kc{
    padding-right: 6px;
}
.nav_kc a{cursor: pointer;}
.nav_kc em{
    position: absolute;
    right: -12px;
    font-weight: normal;
    font-style: normal;
    font-size: 14px;
    cursor: pointer;
}
.nav_kc em img{
    animation:nav_img 1s infinite;
    transform: translateY(-8px);
}

@-webkit-keyframes nav_img {
    0%{
        opacity: 0;
        transform: translateY(0px);
    }
    50%{
        opacity: 1;
        transform: translateY(4px);
    }
    100%{
        opacity: 0;
        transform: translateY(-8px);
    }
}
@-moz-keyframes nav_img {
    0%{
        opacity: 0;
        transform: translateY(0px);
    }
    50%{
        opacity: 1;
        transform: translateY(4px);
    }
    100%{
        opacity: 0;
        transform: translateY(-8px);
    }
}
@-o-keyframes nav_img {
    0%{
        opacity: 0;
        transform: translateY(0px);
    }
    50%{
        opacity: 1;
        transform: translateY(4px);
    }
    100%{
        opacity: 0;
        transform: translateY(-8px);
    }
}
@keyframes nav_img {
    0%{
        opacity: 0;
        transform: translateY(0px);
    }
    50%{
        opacity: 1;
        transform: translateY(4px);
    }
    100%{
        opacity: 0;
        transform: translateY(-8px);
    }
}


/*子导航*/
.sub_nav{
    position:absolute;
    top: 80px;
    left: 0;
    right:0;
    background: rgba(255,255,255,0.96);
    background: #fff \9;
    filter:alpha(opacity=50);
    -ms-filter:alpha(opacity=50);
    text-align: center;
    height: 40px;
    -webkit-box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    -moz-box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    -o-box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);

    z-index: 99999999999;
}
.sub_nav_ul{
    display: inline-block;
    height: 40px;
    line-height: 40px;
}
.sub_nav_ul li{
    display: inline-block;
    text-align: center;
    font-size: 16px;
    float: left;
}
.sub_nav_ul li a{
    color: #333;
    font-size: 14px;
    padding: 0 10px;
    border-right: 1px solid #333;
}
.sub_nav_ul li.last a{
    border-right:none;
}
.sub_nav_ul li a:hover{
    background: #3697d9;
    color: #fff;
    border-right:none;
    margin-left: -1px;
}