/* Keep the existing brand layout; replace only its circular character mark. */
.app-shell .sidebar .brand .brand-mark {
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 50%;
  background: transparent url("/assets/jwzt-logo-circle-20261009.png") center / contain no-repeat;
  color: transparent;
  font-size: 0;
}