.hub-nav-block,
.subhub-nav-block {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid #ccc;
  background-color: #f8f8f8;
}
.hub-nav-heading {
  margin-bottom: 0.5rem;
  color: #4c4c4c;
  font-weight: 600;
}
.hub-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.hub-nav-link {
  display: inline-block;
  color: #1f418b;
  overflow-wrap: anywhere;
}
.hub-nav-link:hover { color: #4bb8dc; }
.hub-nav-link.current {
  font-weight: 700;
  text-decoration: underline;
}