fix: 顶栏颜色跟随小程序主题并保留跟随系统

src/pages/product/index.config.ts

@@ -1,4 +1,5 @@
 export default definePageConfig({
   navigationStyle: 'custom',
+  enablePageMeta: true,
   navigationBarTitleText: '商品详情'
 })

src/pages/product/index.tsx

@@ -7,6 +7,7 @@ import { addDesign } from '../../utils/store'
 import { useThemeContext } from '../../context/ThemeContext'
 import { useSafeArea } from '../../hooks/useSafeArea'
 import { useStatusBar } from '../../hooks/useStatusBar'
+import ThemedPageMeta from '../../components/ThemedPageMeta'
 import { getProductIconImg } from '../../utils/productConfig'
 
 const HERO_COLORS = ['#FFE4EC', '#FFF0F5', '#FCE4EC']
@@ -25,6 +26,7 @@ export default function ProductPage() {
   if (!product) {
     return (
       <View className={`theme-${resolvedTheme}`}>
+        <ThemedPageMeta />
         <View className='product-page'>
           <View className='page-header dashed-card mt-20' style={{ marginTop: `${safe.headerPaddingTop}px` }}>
             <Text className='page-title'>商品未找到</Text>
@@ -58,6 +60,7 @@ export default function ProductPage() {
 
   return (
     <View className={`theme-${resolvedTheme}`}>
+      <ThemedPageMeta />
       <View className='product-page'>
 
         <View className='page-header dashed-card mt-20' style={{ marginTop: `${safe.headerPaddingTop}px` }}>