/* 汉字转拼音工具特定样式 */
.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.options-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--surface-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.option-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.option-group button {
  transition: all 0.2s;
}