.headerNav {
    max-width: 1920px;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    max-width: 1920px;
    height: 80px;
    margin: 0 auto;
    background-color: rgba(0, 0, 0, 0.8);
    box-shadow: 0px 1px 0px 0px #E6CB78;
    z-index: 99;
}

.header-nav .header-nav-content {
    max-width: 1350px;
    margin: 0 auto;
}

.header-nav .header-nav-content .nav-logo {
    width: 122px;
    height: 60px;
    margin: 10px 53px 0 10px;
    line-height: 60px;
}

.header-nav .header-nav-content .nav-logo .img {
    width: 122px;
    height: 100%;
}

.header-nav .header-nav-content .nav-box {
    height: 80px;
    line-height: 80px;
}

.header-nav .header-nav-content .nav-box .nav {
    height: 80px;
    line-height: 80px;
    padding: 0;
    background-color: transparent;
    border-radius: 0;
    color: #877954;
}

.header-nav .header-nav-content .nav-box .nav .nav-item {
    position: relative;
    width: 140px;
    height: 80px;
    background-image: url('../images/nav/menuItemTab.png');
    background-repeat: no-repeat;
    background-size: 696px 240px;
    line-height: 80px;
    text-align: center;
}

.header-nav .header-nav-content .nav-box .nav .nav-active {
    background-position-y: -160px !important;
}

.header-nav .header-nav-content .nav-box .nav .nav-item:nth-child(2) {
    background-position-x: -140px;
}

.header-nav .header-nav-content .nav-box .nav .nav-item:nth-child(3) {
    background-position-x: -280px;
}

.header-nav .header-nav-content .nav-box .nav .nav-item:nth-child(4) {
    background-position-x: -420px;
}

.header-nav .header-nav-content .nav-box .nav .nav-item:nth-child(5) {
    background-position-x: -560px;
}

.header-nav .header-nav-content .nav-box .nav .nav-item:hover {
    background-position-y: -80px;
    cursor: pointer;
}

.header-nav .header-nav-content .wechat-public-num .layui-nav {
    height: 80px;
    line-height: 80px;
    padding: 0;
    background-color: transparent;
    border-radius: 0;
    color: #877954;
}

.header-nav .header-nav-content .wechat-public-num {
    width: 110px;
    height: 80px;
    line-height: 80px;
}

.header-nav .header-nav-content .wechat-public-num .layui-nav .layui-nav-item {
    position: relative;
    width: 110px;
    height: 32px;
    background-image: url('../images/nav/wechatPublicNum.png');
    background-repeat: no-repeat;
    background-size: 110px 32px;
    line-height: 32px;
    text-align: center;
}

.header-nav .header-nav-content .wechat-public-num .layui-nav .layui-nav-item:hover {
    background-position-y: 0;
}

.header-nav .header-nav-content .wechat-public-num .layui-nav-child {
    top: 42px;
    left: -40%;
    width: 200px;
    min-width: 150px;
    border-radius: 4px;
    border: 1px solid #EBEEF5;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
}

.header-nav .header-nav-content .wechat-public-num .layui-nav-child::after {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    display: block;
    width: 0;
    height: 0;
    margin-left: -6px;
    border-width: 6px;
    border-color: transparent;
    border-style: solid;
    border-top-width: 0;
    border-bottom-color: #FFF;
}