.header-nav__tool,
.header-dropdown-tool {
    position: relative;
    display: flex;
    align-items: center;
    overflow: visible;
}

.header-nav__tool > .notification-menu,
.header-nav__tool > .dropdown-menu,
.header-dropdown-tool > .notification-menu,
.header-dropdown-tool > .dropdown-menu {
    position: fixed;
    z-index: 1060;
    display: none;
    flex-direction: column;
    max-height: calc(100dvh - 72px);
    margin: 0 !important;
    transform: none !important;
    inset: auto !important;
}

.header-nav__tool > .notification-menu.is-open,
.header-nav__tool > .dropdown-menu.is-open,
.header-dropdown-tool > .notification-menu.is-open,
.header-dropdown-tool > .dropdown-menu.is-open {
    display: flex;
}

.header-nav__tool > .dropdown-menu.hpm-panel.is-open,
.header-dropdown-tool > .dropdown-menu.hpm-panel.is-open {
    display: block;
}

.header-dropdown-tool .notification-menu.dropdown-menu {
    animation: headerDropdownFadeIn 0.18s ease;
}

@keyframes headerDropdownFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}