fix(h5): hide in-page nav titles that duplicate WeChat chrome

Keep back buttons and header layout. mini-user only hides titles on H5; partner/shop hide .app-page-title and legal titles; shared PageHeader defaults showTitle=false.

apps/h5-partner/src/styles.css

@@ -3065,3 +3065,11 @@ body {
   padding-top: 12px;
   border-top: 1px dashed rgba(166, 29, 36, 0.15);
 }
+
+/* 微信 H5 系统标题已展示：隐藏页内重复标题，保留返回键与顶栏布局 */
+.app-page-title {
+  visibility: hidden;
+  font-size: 0 !important;
+  line-height: 0 !important;
+  color: transparent !important;
+}

apps/h5-partner/src/styles/legal.css

@@ -35,8 +35,11 @@
 
 .legal-h5-title {
   margin: 0;
-  font-size: 17px;
-  font-weight: 600;
+  /* 与微信系统标题重复，仅保留顶栏高度与返回 */
+  visibility: hidden;
+  font-size: 0;
+  line-height: 0;
+  color: transparent;
 }
 
 .legal-h5-body {

apps/h5-shop/src/styles.css

@@ -2702,3 +2702,11 @@
   cursor: pointer;
 }
 
+/* 微信 H5 系统标题已展示：隐藏页内重复标题，保留返回键与顶栏布局 */
+.app-page-title {
+  visibility: hidden;
+  font-size: 0 !important;
+  line-height: 0 !important;
+  color: transparent !important;
+}
+

apps/h5-shop/src/styles/legal.css

@@ -35,8 +35,11 @@
 
 .legal-h5-title {
   margin: 0;
-  font-size: 17px;
-  font-weight: 600;
+  /* 与微信系统标题重复，仅保留顶栏高度与返回 */
+  visibility: hidden;
+  font-size: 0;
+  line-height: 0;
+  color: transparent;
 }
 
 .legal-h5-body {

apps/mini-user/src/components/PageNavBar.tsx

@@ -10,6 +10,8 @@ type PageNavBarProps = {
   right?: ReactNode;
 };
 
+const isH5 = process.env.TARO_ENV === 'h5';
+
 /** 内页自定义导航栏（返回 + 标题 + 右侧操作），适配刘海屏 */
 export default function PageNavBar({
   title,
@@ -19,16 +21,18 @@ export default function PageNavBar({
   right,
 }: PageNavBarProps) {
   const metrics = useNavBarMetrics();
+  const showTitle = !isH5 && titleVisible;
 
   return (
     <View
       className={`page-nav-bar${solid ? ' page-nav-bar--solid' : ''}`}
       style={subPageNavBarStyle(metrics)}
+      aria-label={title}
     >
       <Text
-        className={`page-nav-bar__title${titleVisible ? ' page-nav-bar__title--visible' : ''}`}
+        className={`page-nav-bar__title${showTitle ? ' page-nav-bar__title--visible' : ''}`}
       >
-        {title}
+        {showTitle ? title : ''}
       </Text>
       <View
         className="page-nav-bar__content"

apps/mini-user/src/components/SubPageHeader.tsx

@@ -9,6 +9,8 @@ type SubPageHeaderProps = {
   right?: ReactNode;
 };
 
+const isH5 = process.env.TARO_ENV === 'h5';
+
 /** 子页面固定实底顶栏（确认订单 / 地址 / 支付 / 订单列表等） */
 export default function SubPageHeader({ title, onBack, right }: SubPageHeaderProps) {
   const metrics = useNavBarMetrics();
@@ -27,8 +29,8 @@ export default function SubPageHeader({ title, onBack, right }: SubPageHeaderPro
   }
 
   return (
-    <View className="sub-page-header" style={subPageNavBarStyle(metrics)}>
-      <Text className="sub-page-header__title">{title}</Text>
+    <View className="sub-page-header" style={subPageNavBarStyle(metrics)} aria-label={title}>
+      {!isH5 ? <Text className="sub-page-header__title">{title}</Text> : null}
       <View
         className="sub-page-header__content"
         style={subPageNavContentStyle(metrics)}

apps/mini-user/src/components/TabMainHeader.tsx

@@ -7,13 +7,15 @@ type TabMainHeaderProps = {
   extra?: ReactNode;
 };
 
-/** Tab 页顶栏：适配刘海屏 + 微信胶囊避让 */
+const isH5 = process.env.TARO_ENV === 'h5';
+
+/** Tab 页顶栏：适配刘海屏 + 微信胶囊避让；H5 不展示标题（与微信系统标题重复） */
 export default function TabMainHeader({ title, extra }: TabMainHeaderProps) {
   const metrics = useNavBarMetrics();
 
   return (
-    <View className="tab-main-header" style={navBarStyle(metrics)}>
-      <Text className="tab-main-header__title">{title}</Text>
+    <View className="tab-main-header" style={navBarStyle(metrics)} aria-label={title}>
+      {!isH5 ? <Text className="tab-main-header__title">{title}</Text> : null}
       <View
         className="tab-main-header__content"
         style={tabNavContentStyle(metrics)}

apps/mini-user/src/pages/benefit/index.tsx

@@ -63,8 +63,10 @@ export default function BenefitPage() {
 
   return (
     <PageShell variant="tab" className="benefit-page">
-      <View className="benefit-header" style={navBarStyle(metrics)}>
-        <Text className="benefit-header-title">好客权益</Text>
+      <View className="benefit-header" style={navBarStyle(metrics)} aria-label="好客权益">
+        {process.env.TARO_ENV !== 'h5' ? (
+          <Text className="benefit-header-title">好客权益</Text>
+        ) : null}
         <View
           className="benefit-header__content"
           style={tabNavContentStyle(metrics)}