### 面板组

<!--start-code-->

```js
const instance = (
  <PanelGroup>
    <Panel header="Panel 1">
      <Paragraph />
    </Panel>
    <Panel header="Panel 2">
      <Paragraph />
    </Panel>
    <Panel header="Panel 3">
      <Paragraph />
    </Panel>
  </PanelGroup>
);

ReactDOM.render(instance);
```

<!--end-code-->
