refactor(cms): 迁移CMS模块接口到独立cms-api服务

- 新增cmsRequest工具，基于request封装，默认baseURL为cms-api
- 改用cmsRequest替换所有cms相关请求，确保请求走独立域名
- 配置三环境新增CMS_API_BASE_URL及导出CmsBaseUrl常量
- 解决CMS接口走shop-api时返回404的问题，避免小程序域名白名单冲突
- 统一修改34个cms API模块的261处调用，保持接口行为一致
- 修复部分拼接全URL方式改为相对路径调用cmsRequest
- 更新注释说明并调整相关接口调用代码
- 兼容macOS sed替换问题，采用perl命令完成批量替换

src/components/common/EmptyState/index.tsx

@@ -1,6 +1,5 @@
 import React from 'react'
-import { View, Text } from '@tarojs/components'
-import { Button } from '@nutui/nutui-react-taro'
+import { View, Text, Button } from '@tarojs/components'
 
 interface EmptyStateProps {
   image?: string
@@ -33,9 +32,13 @@ const EmptyState: React.FC<EmptyStateProps> = ({
       )}
       {actionText && onAction && (
         <Button
-          type='primary'
-          size='small'
-          className='mt-4 rounded-full px-6'
+          size='mini'
+          className='mt-4 bg-red-500 text-white rounded-full border-0 text-xs'
+          style={{
+            paddingLeft: '24px',
+            paddingRight: '24px',
+            lineHeight: '30px',
+          }}
           onClick={onAction}
         >
           {actionText}

src/components/common/FixedButton/index.tsx

@@ -1,6 +1,5 @@
 import React from 'react'
-import { View } from '@tarojs/components'
-import { Button } from '@nutui/nutui-react-taro'
+import { View, Button } from '@tarojs/components'
 
 interface FixedButtonProps {
   text?: string
@@ -24,15 +23,17 @@ const FixedButton: React.FC<FixedButtonProps> = ({ text, onClick, icon, disabled
         style={{ paddingBottom: '12px', flexShrink: 0 }}
       >
         <Button
-          type="primary"
-          style={{ background }}
-          size="large"
-          block
-          icon={icon}
           disabled={disabled}
-          className="px-6"
           onClick={onClick}
+          style={{
+            background: background || '#ef4444',
+            height: '44px',
+            lineHeight: '44px',
+            opacity: disabled ? 0.5 : 1,
+          }}
+          className="w-full flex items-center justify-center text-white text-base font-medium rounded-full border-0 px-6"
         >
+          {icon ? <View className="mr-1 flex items-center">{icon}</View> : null}
           {text || '确定'}
         </Button>
       </View>