.submenu-popup {
    display: none;
    position: fixed;
    inset: 0;
    background: #fff;
    z-index: 9999;
    overflow-y: auto;
}

.submenu-popup.active {
    display: block;
}

.submenu-popup .popup-header {
    background: #f5f5f5;
    min-height: 50px;
}

.submenu-popup .popup-body a {
    display: block;
    padding: 10px 15px;
    color: #333;
}

.submenu-popup .popup-body a:hover {
    color: var(--primary-color);
}

.submenu-popup {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100%;
    background: #fff;
    overflow-y: auto;
    transition: left 0.3s ease;
    z-index: 9999;
}

.submenu-popup.active {
    left: 0;
}

.popup-header {
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 10;
}

.close-menu {
    top: 9px;
}

.title-lv-1 {
       color: var(--primary-color) !important; 
       font-weight: 500;
}

.tab-mb-kh {
    margin-top: 15px;
}