fix: 顶栏颜色跟随小程序主题并保留跟随系统

src/pages/agreement/index.config.ts

@@ -1,4 +1,5 @@
 export default definePageConfig({
   navigationStyle: 'custom',
+  enablePageMeta: true,
   navigationBarTitleText: '定制协议'
 })

src/pages/agreement/index.tsx

@@ -3,6 +3,7 @@ import './index.scss'
 import { useThemeContext } from '../../context/ThemeContext'
 import { useSafeArea } from '../../hooks/useSafeArea'
 import { useStatusBar } from '../../hooks/useStatusBar'
+import ThemedPageMeta from '../../components/ThemedPageMeta'
 
 export default function AgreementPage() {
   const { theme, resolvedTheme } = useThemeContext()
@@ -34,6 +35,7 @@ export default function AgreementPage() {
 
   return (
     <View className={`theme-${resolvedTheme}`}>
+      <ThemedPageMeta />
       <View className='agreement-page'>
         <View className='agreement-content' style={{ marginTop: `${safe.headerPaddingTop}px` }}>
           <Text className='agreement-title'>定制协议</Text>