/* Long desktop submenus stay within the visible screen, with keyboard scrolling. */
@media(min-width:1360px) {
  #vm-site-header .vm-menu-root > li > .sub-menu {
    max-height:min(640px,calc(100svh - var(--vm-header-height,84px) - 48px));
    overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;
  }
}