## 单选框
### 基本类名
`.mui-radio`
> 用于单选按钮组, 必须使用在label标签上
#### 默认状态
```html
<label class="mui-radio">
<input type="radio" hidden>
<span class="icon"></span>
<span>normal</span>
</label>
```
#### 选中状态
```html
<label class="mui-radio">
<input type="radio" hidden checked>
<span class="icon"></span>
<span>normal</span>
</label>
```
#### 禁用状态
```html
<label class="mui-radio">
<input type="radio" hidden disabled>
<span class="icon"></span>
<span>normal</span>
</label>
```
#### 选中禁用状态
```html
<label class="mui-radio">
<input type="radio" hidden checked disabled>
<span class="icon"></span>
<span>normal</span>
</label>
```
