.brand .mark {
  width: var(--brand-mark-width, 34px);
  height: var(--brand-mark-height, 34px);
  padding: 2px;
  border-radius: 5px;
  font-size: var(--brand-mark-font-size, 16px) !important;
  background: #fff var(--brand-logo, none) center / var(--brand-logo-size, contain) no-repeat !important;
}
@media (max-width: 900px) {
  .mode {
    display: block !important;
    position: fixed;
    right: 8px;
    bottom: 8px;
    z-index: 1000;
    max-width: calc(100vw - 16px);
    padding: 7px 10px;
    border-radius: 6px;
    background: #17202d;
    color: #fff;
    box-shadow: 0 4px 14px #0004;
  }
}