.active{
    background-color: #507D94;
}
.active a{
    color: #fff !important;
}
.header{
    width: 100%;
    height: 88px;
    background-color: #fff;
    box-shadow: 0px 1px 6px 0px rgba(173,173,173,0.35);
}
.header-content {
    width: 80%;
    height: 100%;
    margin: 0 auto;
}
.logo-box{
    width: 35%;
}
.logo-box img {
    width: 100%;
}
.nav-box{
    width: 50%;
}
/*.nav-box ul{*/
/*    height: 100%;*/
/*}*/
/*.nav-box ul li{*/
/*    height: 100%;*/
/*}*/
.nav-box ul li a{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 88px;
    padding: 0 40px;
    font-size: 15px;
    color: #595959;
    box-sizing: border-box;
    white-space: nowrap;
}

.nav-box ul li a:hover{
    color: #507D94;
}
.mobile-nav,.mobile-icon-box{
    display: none;
}

@media screen and (max-width: 850px) {
    .header{
        height: 58px;
    }
    .header-content{
        width: 100%;
        padding: 0 20px;
        position: relative;
    }
    .logo-box img{
        width: 200px;
    }
    .nav-box{
        display: none;
    }
    .mobile-icon-box{
        display: block;
    }
    .mobile-nav{
        display: block;
        position: absolute;
        width: 100%;
        background-color: #FFFFFF;
        top: -588px;
        left: 0px;
        box-sizing: border-box;
        padding: 10px 20px;
        box-shadow: 0px 2px 24px 0px rgba(58,58,58,0.3);
        transition: all .5s;
        z-index: 20;
    }

    .mobile-nav-list li{
        height: 55px;
        border-bottom: 1px solid #E5E5E5;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .mobile-nav-list li a{
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #595959;
    }
}