.kaifamaonav {
    max-width: 1900px;
    padding: 0 60px;
}
.header-tab-item-kaifamao.active, .header-tab-item-kaifamao:hover {
    color: #283593;
}
.header-tab-item-kaifamao.active {
    position: relative;
}
.header-tab-item-kaifamao{
    font-size: 15px;
    padding: 0 8px;
    margin: 0 5px 12px 5px;
    font-weight: 700;
    color: #6c757d;
    cursor: pointer;
}