.nav > .brand { display: inline-flex; align-items: center; gap: 10px; }
.system-brand-logo { width: 44px; height: 44px; object-fit: contain; flex-shrink: 0; }
@media (max-width: 600px) {
  .nav > .brand { gap: 7px; }
  .system-brand-logo { width: 36px; height: 36px; }
}