fix(h5): 修复 WebView 顶栏 logo 与内容重叠

embed 模式 header 改文档流、移除负 margin；持久化 sbh 并在路由中保留，避免胶囊区与档案条重叠。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/user-h5/src/components/AppHeader.vue

@@ -1,5 +1,5 @@
 <template>
-  <header class="app-header">
+  <header class="app-header" :class="{ 'is-embed': mpEmbed }">
     <div class="side left">
       <BackButton v-if="showBack" />
     </div>
@@ -15,8 +15,10 @@ import { computed } from 'vue'
 import { useRoute } from 'vue-router'
 import BackButton from './BackButton.vue'
 import BrandLogo from './BrandLogo.vue'
+import { isMpEmbed } from '../lib/mpEmbed'
 
 const route = useRoute()
+const mpEmbed = isMpEmbed()
 
 /** 首页 / 我的 为 Tab 根页不显示返回；探索可从首页进入，显示返回 */
 const showBack = computed(() => {
@@ -40,6 +42,11 @@ const showBack = computed(() => {
   background: transparent;
   pointer-events: none;
 }
+.app-header.is-embed {
+  position: relative;
+  padding: calc(6px + var(--yxg-safe-top)) 12px 8px;
+  background: transparent;
+}
 .side {
   display: flex;
   align-items: center;

apps/user-h5/src/components/PageShell.vue

@@ -35,16 +35,14 @@ withDefaults(
 .ps {
   position: relative;
   overflow-x: hidden;
-  margin-top: calc(-1 * var(--yxg-safe-top));
   padding-top: var(--yxg-page-top);
   padding-bottom: var(--spacing-xs);
-  min-height: calc(100% + var(--yxg-safe-top));
+  min-height: 100%;
   background: var(--yxg-page-wash);
 }
 .ps-flat {
   background: transparent;
   min-height: 0;
-  margin-top: calc(-1 * var(--yxg-safe-top));
   padding-top: var(--yxg-page-top);
 }
 .atm {

apps/user-h5/src/lib/mpEmbed.spec.ts

@@ -1,5 +1,5 @@
 import { afterEach, beforeEach, describe, expect, it } from 'vitest'
-import { initMpEmbed, isMpEmbed } from './mpEmbed'
+import { applyMpEmbedDom, initMpEmbed, isMpEmbed } from './mpEmbed'
 
 describe('mpEmbed', () => {
   beforeEach(() => {
@@ -17,11 +17,15 @@ describe('mpEmbed', () => {
     expect(isMpEmbed()).toBe(true)
   })
 
-  it('applies status bar height from ?sbh=', () => {
+  it('persists status bar height from ?sbh=', () => {
     window.history.replaceState({}, '', '/psy/?mp=1&sbh=47')
     initMpEmbed()
     expect(document.documentElement.style.getPropertyValue('--yxg-safe-top')).toBe('47px')
     expect(document.documentElement.style.getPropertyValue('--yxg-page-top')).toBe('calc(47px + 50px)')
+    expect(sessionStorage.getItem('yxg_sbh')).toBe('47')
+    window.history.replaceState({}, '', '/psy/?mp=1')
+    applyMpEmbedDom()
+    expect(document.documentElement.style.getPropertyValue('--yxg-safe-top')).toBe('47px')
   })
 
   it('returns false without mp query', () => {

apps/user-h5/src/lib/mpEmbed.ts

@@ -1,6 +1,7 @@
 const MP_EMBED_KEY = 'yxg_mp_embed'
 const MP_QUERY = 'mp'
 const SBH_QUERY = 'sbh'
+const SBH_KEY = 'yxg_sbh'
 const HEADER_H_PX = 50
 
 function applySafeTopInset(px: number): void {
@@ -11,11 +12,20 @@ function applySafeTopInset(px: number): void {
   root.style.setProperty('--yxg-page-top', `calc(${safe} + ${HEADER_H_PX}px)`)
 }
 
+function readStoredSbh(): number {
+  if (typeof sessionStorage === 'undefined') return 0
+  const raw = sessionStorage.getItem(SBH_KEY)
+  if (!raw || !/^\d+$/.test(raw)) return 0
+  return parseInt(raw, 10)
+}
+
 /** Apply document-level embed chrome (safe-area wash, hide HTML title). */
 export function applyMpEmbedDom(): void {
   if (typeof document === 'undefined' || !isMpEmbed()) return
   document.title = '\u200b'
   document.documentElement.classList.add('mp-embed')
+  const stored = readStoredSbh()
+  if (stored > 0) applySafeTopInset(stored)
 }
 
 /** Persist ?mp=1 from mini-program web-view entry. Call once before router mount. */
@@ -27,6 +37,7 @@ export function initMpEmbed(): void {
   }
   const sbh = params.get(SBH_QUERY)
   if (sbh && /^\d+$/.test(sbh)) {
+    sessionStorage.setItem(SBH_KEY, sbh)
     applySafeTopInset(parseInt(sbh, 10))
   }
   applyMpEmbedDom()

apps/user-h5/src/pages/HomePage.vue

@@ -48,10 +48,9 @@ const {
 .home {
   position: relative;
   overflow-x: hidden;
-  margin-top: calc(-1 * var(--yxg-safe-top));
   padding-top: var(--yxg-page-top);
   padding-bottom: var(--spacing-xs);
-  min-height: calc(100% + var(--yxg-safe-top));
+  min-height: 100%;
   background: var(--yxg-page-wash);
 }
 .atm {

apps/user-h5/src/router/index.ts

@@ -50,8 +50,20 @@ const router = createRouter({
 })
 
 router.beforeEach((to) => {
-  if (!isMpEmbed() || to.query.mp === '1') return true
+  if (!isMpEmbed()) return true
-  return { path: to.path, query: { ...to.query, mp: '1' }, hash: to.hash, replace: true }
+  const q = { ...to.query }
+  let changed = false
+  if (q.mp !== '1') {
+    q.mp = '1'
+    changed = true
+  }
+  const storedSbh = sessionStorage.getItem('yxg_sbh')
+  if (storedSbh && q.sbh !== storedSbh) {
+    q.sbh = storedSbh
+    changed = true
+  }
+  if (!changed) return true
+  return { path: to.path, query: q, hash: to.hash, replace: true }
 })
 
 export default router

apps/user-h5/src/styles/app.css

@@ -52,15 +52,18 @@ html.mp-embed body{
 .app-shell.mp-embed::before{
   content:"";
   position:fixed;
-  top:calc(-1 * var(--yxg-safe-top));
+  inset:0;
-  left:0;
-  right:0;
-  bottom:0;
   z-index:0;
   pointer-events:none;
   background:var(--yxg-body-wash);
   background-color:var(--color-bg-start);
 }
+.app-shell.mp-embed .home,
+.app-shell.mp-embed .ps{
+  margin-top:0;
+  padding-top:8px;
+  min-height:100%;
+}
 .app-footer{
   position:relative;
   z-index:1;