/* 仅优化顶栏空间；路线栏目字号不变。 */
.commandbar {
  grid-template-columns: minmax(330px, 1.18fr) auto minmax(150px, .58fr);
  gap: 12px;
}
.route-switch { padding-left: 2px; padding-right: 2px; }
.route-tab {
  padding-left: 8px;
  padding-right: 8px;
  gap: 4px;
}
.route-tab i { width: 5px; height: 5px; }
.brand-lockup { gap: 10px; }
.brand-lockup h1 {
  font-size: 23px;
  letter-spacing: .035em;
  white-space: nowrap;
}

@media (orientation: landscape) and (max-width: 1180px),
       (orientation: portrait) and (max-height: 1180px) {
  .commandbar {
    grid-template-columns: minmax(290px, 1.08fr) auto minmax(135px, .48fr);
    gap: 8px;
  }
  .route-tab { padding-left: 6px; padding-right: 6px; gap: 3px; }
  .brand-lockup h1 { font-size: 21px; white-space: nowrap; }
}

@media (orientation: landscape) and (max-width: 900px),
       (orientation: portrait) and (max-height: 900px) {
  .commandbar { grid-template-columns: minmax(245px, 1fr) auto; }
  .route-switch {
    justify-self: start;
    width: auto;
    max-width: 100%;
    overflow-x: auto;
  }
  .route-tab {
    flex: 0 0 auto;
    min-width: 0;
    padding-left: 9px;
    padding-right: 9px;
    gap: 3px;
  }
  .brand-lockup h1 {
    max-width: none;
    font-size: 20px;
    line-height: 1.15;
    white-space: nowrap;
  }
}

@media (orientation: landscape) and (max-width: 680px),
       (orientation: portrait) and (max-height: 680px) {
  .brand-star { width: 32px; height: 32px; }
  .brand-lockup { gap: 7px; }
  .brand-lockup h1 {
    max-width: none;
    font-size: 18px;
    white-space: nowrap;
  }
  .route-tab {
    min-width: 0;
    padding-left: 6px;
    padding-right: 6px;
    gap: 2px;
  }
}

/* V62 — 省名始终保留；红四方面军使用深蓝色，与水系明确区分 */
.province-label {
  display: block;
}