页面头部的白色留白去掉

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

@@ -13,6 +13,11 @@ const isH5 = process.env.TARO_ENV === 'h5';
 export default function TabMainHeader({ title, extra }: TabMainHeaderProps) {
   const metrics = useNavBarMetrics();
 
+  // H5：系统标题已展示；无右侧内容时整栏不渲染，避免顶部留白
+  if (isH5 && !extra) {
+    return null;
+  }
+
   return (
     <View className="tab-main-header" style={navBarStyle(metrics)} aria-label={title}>
       {!isH5 ? <Text className="tab-main-header__title">{title}</Text> : null}

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

@@ -65,7 +65,10 @@ export default function HomePage() {
   const onSale = tab === 'QINGXIANG';
 
   return (
-    <PageShell variant="tab" className="home-page">
+    <PageShell
+      variant="tab"
+      className={`home-page${process.env.TARO_ENV === 'h5' ? ' h5-no-tab-header' : ''}`}
+    >
       <TabMainHeader title="杜康好客" />
 
       <View className="home-aroma-nav">

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

@@ -210,7 +210,10 @@ export default function MinePage() {
 
   if (!authed) {
     return (
-      <PageShell variant="tab" className="mine-page">
+      <PageShell
+        variant="tab"
+        className={`mine-page${process.env.TARO_ENV === 'h5' ? ' h5-no-tab-header' : ''}`}
+      >
         <TabMainHeader title="我的" />
         <View className="mine-header">
           <View className="mine-header-texture" />
@@ -247,7 +250,10 @@ export default function MinePage() {
   const memberLabel = hasWechat ? '好客会员' : canWxBind ? '微信未授权' : '未授权微信';
 
   return (
-    <PageShell variant="tab" className="mine-page">
+    <PageShell
+      variant="tab"
+      className={`mine-page${process.env.TARO_ENV === 'h5' ? ' h5-no-tab-header' : ''}`}
+    >
       <TabMainHeader title="我的" />
       <View className="mine-header">
         <View className="mine-header-texture" />

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

@@ -73,7 +73,10 @@ export default function StoresPage() {
   }
 
   return (
-    <PageShell variant="tab" className="store-page">
+    <PageShell
+      variant="tab"
+      className={`store-page${process.env.TARO_ENV === 'h5' ? ' h5-no-tab-header' : ''}`}
+    >
       <TabMainHeader title="门店" />
       <View className="store-toolbar">
         <View className="store-location" onClick={() => setRegionOpen(true)}>

apps/mini-user/src/styles/nav-bar.css

@@ -20,14 +20,13 @@
   padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
 }
 
-/* ── Tab 主页面顶栏（实底 sticky） ── */
-.tab-main-header {
-  position: sticky;
+/* H5 无 Tab 顶栏：贴顶，去掉标题栏留白 */
+.page-shell.h5-no-tab-header {
+  --nav-bar-height: 0px;
+}
+
+.page-shell.h5-no-tab-header .home-aroma-nav {
   top: 0;
-  z-index: 50;
-  background: var(--color-background);
-  box-shadow: var(--shadow-card);
-  box-sizing: border-box;
 }
 
 .tab-main-header__content {