.header{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 120px;
    background: rgba(255, 255, 255, 0.3);
    z-index: 1;
}
.header-main{
    width: 1200px;
    margin: 0px auto;
}
.logo{
    float: left;
    margin-top: 33px;
}
.nav-ul{
    float: right;
}
.nav-ul ul li{
    float: left;
}
.nav-ul ul li a,.nav-ul ul li:link a,.nav-ul ul li:visited a{
    padding: 0 30px;
    box-sizing: border-box;
    line-height: 118px;
    color: #ffffff;
    font-size: 16px;
    display: block;
    height: 120px;
}
.nav-ul ul li.on a,.nav-ul ul li.on:link a,.nav-ul ul li.on:visited a,.nav-ul ul li:hover a{
    background: rgba(255, 255, 255, 0.3);
    border-bottom: 2px solid #ffffff;
}
/* .nav-ul ul li.on div{
    display: block;
} */
.navItem div{
    left: 0;
    position: absolute;
    top: 120px;
    width: 100%;
    height: 50px;
    background: #0080ff;
    box-shadow: 0 5px 5px rgba(0, 0, 0,0.15);
    display: none;
}
.navItem dl dd{
    float: left;
    padding: 0 30px;
    line-height: 50px;
    color: #ffffff;
}
.navItem dl dd a:link,.navItem dl dd a:visited{
    padding: 0;
    line-height: 50px;
    color: #ffffff;
    height: 50px;
    opacity: 0.6;
    background: none;
    border: 0;
}

.navItem dl dd a:hover{
    background: none;
    border: 0;
    opacity: 1;
}
.navItem dl dd.item a{
    opacity: 1;
}

@media screen and (max-width: 750px) {
    .header{
        height: 100px;
    }
    .header-main{
        width: 100%;
    }
    .logo{
        margin-left: 20px;
    }
    .logo img{
        width: 220px;
    }
    .nav-ul{
        position: relative;
        width: 60px;
        height: 60px;
        margin-right: 20px;
        margin-top: 20px;
    }
    .nav-ul ul{
        display: none;
        position: absolute;
        top: 60px;
        right: 0;
        width: 120px;
        background: #ffffff;
        border-radius: 5px;
        box-shadow: 0 0 5px #ccc;
        overflow: hidden;
        
    }
    .nav-ul:hover ul{
        display: block;
    }
    .nav-ul ul li{
        float: none;
    }
    .navItem div{
        position: relative;
        height: auto;
        top: 0;
        display: block;
        box-shadow: none;
    }
    .navItem dl dd{
        padding: 0;
        float: none;
    }
    .nav-ul ul li.navItem dl{
        margin-left: 0px !important;
    }
    .nav-ul ul li.navItem dl dd a:link,.nav-ul ul li.navItem dl dd a:visited{
        font-size: 12px;
        color: #ffffff;
    }
    .nav-ul ul li a:link,.nav-ul ul li a:visited{
        padding: 0 15px;
        height: 42px;
        line-height: 42px;
        color: #333333;
    }
    .nav-ul-icon{
        height: 60px;
        width: 60px;
        background: url("../../images/public/nav.png") no-repeat center;
        background-size: 50px;
    }
}