*{
    margin: 0;
    padding: 0;
    font-family: MicrosoftYaHei;
}
body{
    width: 100%;
    overflow-x: hidden;
}
ul li{
    text-decoration: none;
    list-style: none;
}
a{
    text-decoration: none;
    list-style: none;
}
.mobileheader{
    display:none;
}
.header-nav-ul li:nth-child(1):hover a ,.header-nav-ul li:nth-child(2):hover a,.header-nav-ul li:nth-child(3):hover a,.header-nav-ul li:nth-child(4):hover a
,.header-nav-ul li:nth-child(5):hover a,.header-nav-ul li:nth-child(6):hover a,.header-nav-ul li:nth-child(7):hover a{
    height:91px;
}
 
.center-banner{
    position:relative;
    top:-6px;
}
.news-banner{
    position:relative;
    top:-6px;
}
.contact-us-banner{
    position:relative;
    top:-6px;
}
    .header{
        width: 100%;
        height: 84px;
    }
    .header-nav{
        width: 1660px;
        margin: 0 auto;
        /*border: 1px solid;*/
    }
    .header-nav img{
        width: 133px;
        height: 52px;
        margin-top:11px;
    }

    .header-nav-ul{
        /*width: 160px;*/
        list-style: none;
        float: right;
        font-size: 18px;
        z-index:11111111;
        position:relative;
    }
    .header-nav-ul li{
        text-align: center;
        line-height: 85px;
        float: left;
    }
    .header-nav-ul li a{
        display: block;
        width: 120px;
        height: 85px;
        text-decoration: none;
        color: #465472;
    }
    .header-nav-ul li:hover{
        background: #465472;
    }
    /*.header-nav-ul li a{*/
    /*    border-bottom:1px solid #fff;*/
    /*}*/
    .header-nav-ul li:hover a{
       color:#fff;
        height:91px;
    }
    .drop-down,.drop-down2,.drop-down3{
        color: #fff;
        background: #465472;
        display: none;
        position: absolute;
        z-index: 99;
    }


    /*底部*/
    .fail{
        width: 100%;
        height: 250px;
        background: #f6b436;
        float: left;
    }
    .mobilefoot{
        display:none;
    }
    .fail-nav{
        width: 1660px;
        margin: 0 auto;
    }
    .fail-nav-left{
        width: 330px;
        position: absolute;
    }
    .fail-nav-left img{
        width:133px;
        height:52px;
    }
    .fail-nav-left div:nth-child(1){
        margin-top: 40px;
    }
    .fail-nav-left div:nth-child(2){
        margin-bottom: 35px;
        color: #FFFFFF;
    }
    .fail-nav-left div:nth-child(2) p:nth-child(1){
        margin-top: 40px;
        font-size: 16px;
    }
    .fail-nav-left div:nth-child(2) p:nth-child(2){
        margin-top: 14px;
    }
    .fail-nav-right{
        float: right;
        width: 50%;
        justify-content: space-between;
        display: flex;
        font-size: 15px;
        color: #ffffff;
        margin-top: 75px;
    }
    .fail-nav-right div{
        float: left;
        width: 65px;
        height: 125px;
        /*margin-right: 225px;*/
    }
    .fail-nav-right div a{
        text-decoration: none;
        color: #FFFFFF;
    }
    .fail-nav-right div a{
        margin-top: 10px;
    }
    .fail-nav-right div a p{
        margin-top: 10px;
    }
    .fail-nav-right div a:first-child p:first-child{
        margin-top: 0;
    }