feat(user): 新增收货地址管理及售后申请页面

- 新增地址类型定义，增强前端地址数据结构
- 新增地址编辑页面，支持地址智能识别和定位选点功能
- 地址编辑支持省市区选择及默认地址设置
- 新增地址列表页面，支持地址展示、删除、编辑和选择功能
- 实现售后申请页面，支持选择售后类型和退款原因
- 售后申请支持商品选择、退款金额计算和凭证上传
- 新增售后详情页面，支持售后状态展示及申请取消
- 优化页面加载和用户交互体验，增加错误提示和权限处理

src_bak/components/common/EmptyState/index.tsx

@@ -0,0 +1,48 @@
+import React from 'react'
+import { View, Text } from '@tarojs/components'
+import { Button } from '@nutui/nutui-react-taro'
+
+interface EmptyStateProps {
+  image?: string
+  text?: string
+  description?: string
+  actionText?: string
+  onAction?: () => void
+}
+
+const DEFAULT_IMAGE = 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjAwIiBoZWlnaHQ9IjIwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cmVjdCB3aWR0aD0iMjAwIiBoZWlnaHQ9IjIwMCIgZmlsbD0iI2Y1ZjVmNSIvPjx0ZXh0IHg9IjUwJSIgeT0iNTAlIiBkb21pbmFudC1iYXNlbGluZT0ibWlkZGxlIiB0ZXh0LWFuY2hvcj0ibWlkZGxlIiBmb250LXNpemU9IjE0IiBmaWxsPSIjY2NjIj7or77nqIvliY3liIY8L3RleHQ+PC9zdmc+'
+
+const EmptyState: React.FC<EmptyStateProps> = ({
+  image = DEFAULT_IMAGE,
+  text = '暂无数据',
+  description,
+  actionText,
+  onAction,
+}) => {
+  return (
+    <View className='flex flex-col items-center justify-center py-12'>
+      <View className='w-24 h-24 mb-4 rounded-full overflow-hidden'>
+        <View
+          className='w-full h-full bg-cover bg-center bg-no-repeat'
+          style={{ backgroundImage: `url(${image})` }}
+        />
+      </View>
+      <Text className='text-sm text-gray-500'>{text}</Text>
+      {description && (
+        <Text className='text-xs text-gray-400 mt-1'>{description}</Text>
+      )}
+      {actionText && onAction && (
+        <Button
+          type='primary'
+          size='small'
+          className='mt-4 rounded-full px-6'
+          onClick={onAction}
+        >
+          {actionText}
+        </Button>
+      )}
+    </View>
+  )
+}
+
+export default EmptyState