docs: add Chinese README

Author: afc163

README.md

@@ -13,6 +13,8 @@
   </p>
 </div>
 
+<p align="center">English | <a href="./README.zh-CN.md">简体中文</a></p>
+
 
 ## Highlights
 

README.zh-CN.md

@@ -0,0 +1,106 @@
+<div align="center">
+  <h1>@rc-component/segmented</h1>
+  <p><sub>Ant Design 生态的一部分。</sub></p>
+  <p>🔘 React 分段控制器组件。</p>
+
+  <p>
+    <a href="https://www.npmjs.com/package/@rc-component/segmented"><img src="https://img.shields.io/npm/v/@rc-component/segmented.svg?style=flat-square" alt="npm version" /></a>
+    <a href="https://www.npmjs.com/package/@rc-component/segmented"><img src="https://img.shields.io/npm/dm/@rc-component/segmented.svg?style=flat-square" alt="npm downloads" /></a>
+    <a href="https://github.com/react-component/segmented/actions"><img src="https://github.com/react-component/segmented/actions/workflows/react-component-ci.yml/badge.svg" alt="CI" /></a>
+    <a href="https://codecov.io/gh/react-component/segmented"><img src="https://codecov.io/gh/react-component/segmented/branch/master/graph/badge.svg" alt="Codecov" /></a>
+    <a href="https://bundlephobia.com/package/@rc-component/segmented"><img src="https://badgen.net/bundlephobia/minzip/@rc-component/segmented" alt="bundle size" /></a>
+    <a href="https://github.com/umijs/dumi"><img src="https://img.shields.io/badge/docs%20by-dumi-blue?style=flat-square" alt="dumi" /></a>
+  </p>
+</div>
+
+<p align="center"><a href="./README.md">English</a> | 简体中文</p>
+
+
+## 特性
+
+- 支持 string, number, and labeled option records.
+- 提供 controlled and uncontrolled value flows.
+- Includes keyboard navigation, RTL, vertical layout, and disabled options.
+- 暴露 semantic `classNames` and `styles` slots for item and label customization.
+
+## 安装
+
+```bash
+npm install @rc-component/segmented
+```
+
+## 使用
+
+```tsx pure
+import Segmented from '@rc-component/segmented';
+import '@rc-component/segmented/assets/index.css';
+
+export default () => (
+  <Segmented
+    options={['Daily', 'Weekly', 'Monthly']}
+    defaultValue="Weekly"
+    onChange={(value) => {
+      console.log(value);
+    }}
+  />
+);
+```
+
+Online preview: https://segmented.react-component.vercel.app/
+
+## API
+
+### Segmented
+
+| 名称 | 类型 | 默认值 | 说明 |
+| --- | --- | --- | --- |
+| `className` | string | `''` | Additional class name. |
+| `classNames` | Partial<Record<'item' \| 'label', string>> | - | Semantic class names for internal slots. |
+| `defaultValue` | string \| number | first option value | Initial selected value. |
+| `direction` | `'ltr'` \| `'rtl'` | - | Layout direction. |
+| `disabled` | boolean | false | Disable all options. |
+| `itemRender` | `(node: ReactNode, info: { item: SegmentedLabeledOption }) => ReactNode` | identity | Custom option item renderer. |
+| `motionName` | string | `'thumb-motion'` | Motion class name for the active thumb. |
+| `name` | string | - | Radio group name. |
+| `onChange` | `(value: string \| number) => void` | - | Triggered when the selected value changes. |
+| `options` | Array<string \| number \| SegmentedLabeledOption> | - | Available options. Required. |
+| `prefixCls` | string | `'rc-segmented'` | Prefix class name. |
+| `style` | React.CSSProperties | - | Root style. |
+| `styles` | Partial<Record<'item' \| 'label', React.CSSProperties>> | - | Semantic styles for internal slots. |
+| `value` | string \| number | - | Controlled selected value. |
+| `vertical` | boolean | false | Render options vertically. |
+
+Additional valid `div` props are passed to the root element.
+
+### SegmentedLabeledOption
+
+| 名称 | 类型 | 默认值 | 说明 |
+| --- | --- | --- | --- |
+| `className` | string | - | Option class name. |
+| `disabled` | boolean | false | Disable this option. |
+| `label` | ReactNode | - | Displayed option content. |
+| `title` | string | derived from label | Native title for the label. |
+| `value` | string \| number | - | Option value. |
+
+## 本地开发
+
+```bash
+npm install
+npm start
+npm test
+npm run tsc
+npm run compile
+npm run build
+```
+
+## 发布
+
+```bash
+npm run prepublishOnly
+```
+
+The release flow is handled by `@rc-component/np` through the `rc-np` command after the package build.
+
+## 许可证
+
+@rc-component/segmented is released under the [MIT](./LICENSE.md) license.