/* ============================================================
   CARTOP v3 · i18n 语言切换器样式
   ============================================================ */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-right: 14px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 6px;
  padding: 2px;
}
.lang-btn {
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  color: #5c5e62;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.2;
}
.lang-btn:hover { color: #171a20; }
.lang-btn.active {
  background: #fff;
  color: #171a20;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  font-weight: 600;
}
.site-header.light .lang-btn { color: rgba(255, 255, 255, 0.75); }
.site-header.light .lang-btn:hover { color: #fff; }
.site-header.light .lang-btn.active {
  background: #fff;
  color: #171a20;
}
@media (max-width: 900px) {
  .lang-switch { margin-right: 8px; }
  .lang-btn { padding: 4px 6px; font-size: 11px; }
}