diff --git a/guangchang/ceshi/index.html b/guangchang/ceshi/index.html
index dde9aac..411d119 100644
--- a/guangchang/ceshi/index.html
+++ b/guangchang/ceshi/index.html
@@ -235,7 +235,7 @@ mark{background:linear-gradient(transparent 62%,var(--c20) 0);color:inherit;padd
 @media (prefers-reduced-motion:reduce){.fade,.stage,.view.on,.mask.on{opacity:1;transform:none;transition:none;animation:none}}
 </style>
 <link rel="stylesheet" href="../../topic/_shared/quiz-skin.css?v=26110643"><!-- 11-07 答题页底色 / 卡片 -->
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <svg class="hide" aria-hidden="true" xmlns="http://www.w3.org/2000/svg">
diff --git a/guangchang/index.html b/guangchang/index.html
index ad85b30..2ff685a 100644
--- a/guangchang/index.html
+++ b/guangchang/index.html
@@ -3,7 +3,7 @@
 <head>
 <meta charset="utf-8">
 <!-- 11-04 UGC 总开关关着时本页不展示，直接回首页（js/ugc.js） -->
-<script src="../js/host-nav.js?v=26110907"></script>
+<script src="../js/host-nav.js?v=26110908"></script>
 <script src="../js/login-gate.js?v=26110610"></script>
 <script src="../js/ugc.js?v=26110702" data-guard></script>
 <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
diff --git a/index.html b/index.html
index a5c5051..b421f63 100644
--- a/index.html
+++ b/index.html
@@ -19,7 +19,7 @@
 <script src="https://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script>
 <!-- 共享助手：授权/跳商城/位置上报（分享卡片同步，见 docs/h5-auth-standard.md 第四节） -->
 <script src="/common/wx-auth.js?v=26102601"></script>
-<script src="js/host-nav.js?v=26110907"></script>
+<script src="js/host-nav.js?v=26110908"></script>
 <script src="js/login-gate.js?v=26110618"></script>
 <!-- 11-05 用户：「消消乐的推广 banner 图，不要有外面白色的边框」→ 去掉 .game-promo 外层白底（mama-box.css 里和其他模块共用一条白底规则，这里单独盖掉；夜间同） -->
 <style>.game-promo,html.night .game-promo{background:none!important;box-shadow:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
diff --git a/js/host-nav.js b/js/host-nav.js
index 500ecf3..e41b4cd 100644
--- a/js/host-nav.js
+++ b/js/host-nav.js
@@ -34,14 +34,43 @@
     u.searchParams.sort && u.searchParams.sort();
     return u.pathname + u.search;
   }
+  /* 11-09 产后恢复会话报：接了 maternal-bridge 的应用里 window.localStorage 被换成云端镜像（内存 Map），
+     标记写进镜像、新容器页读不到 → 误判成「直接打开」。这里只用浏览器真实的 localStorage：
+     加载时是原生的就抓住；已被换掉就从同源空白 iframe 里拿一份；标记另外再写一份 cookie 兜底。 */
+  var nat = null;
+  function isNative(x) { try { return !!x && Object.prototype.toString.call(x) === '[object Storage]'; } catch (e) { return false; } }
+  try { if (isNative(g.localStorage)) nat = g.localStorage; } catch (e) {}
+  function LS() {
+    if (nat) return nat;
+    try {
+      var f = document.createElement('iframe');
+      f.style.display = 'none'; f.setAttribute('aria-hidden', 'true');
+      (document.body || document.documentElement).appendChild(f);
+      if (isNative(f.contentWindow.localStorage)) nat = f.contentWindow.localStorage;
+    } catch (e) {}
+    return nat;
+  }
+  function getMark() {
+    try { var l = LS(), v = l && l.getItem(OK); if (v) return JSON.parse(v); } catch (e) {}
+    try { var m = document.cookie.match(/(?:^|;\s*)mbhost_open=([^;]*)/); if (m) return JSON.parse(decodeURIComponent(m[1])); } catch (e) {}
+    return null;
+  }
+  function setMark(v) {
+    try { var l = LS(); if (l) l.setItem(OK, v); } catch (e) {}
+    try { document.cookie = 'mbhost_open=' + encodeURIComponent(v) + ';path=/;max-age=30;SameSite=Lax'; } catch (e) {}
+  }
+  function clearMark() {
+    try { var l = LS(); if (l) l.removeItem(OK); } catch (e) {}
+    try { document.cookie = 'mbhost_open=;path=/;max-age=0'; } catch (e) {}
+  }
   function isChild() { try { return sessionStorage.getItem(CK) === '1'; } catch (e) { return false; } }
   (function () {
     if (!inView()) return;
     try {
-      var m = JSON.parse(localStorage.getItem(OK) || 'null');
-      if (m && Date.now() - m.at < 30000 && key(m.u) === key(location.href)) { sessionStorage.setItem(CK, '1'); localStorage.removeItem(OK); }
+      var m = getMark();
+      if (m && Date.now() - m.at < 30000 && key(m.u) === key(location.href)) { sessionStorage.setItem(CK, '1'); clearMark(); }
       /* 11-09 用户：复制链接 / 分享直接打开的页面，返回首页就停在顶部，不要回到「自己上次点进笔记时」的首页位置 */
-      if (!isChild()) localStorage.removeItem(POS);
+      if (!isChild()) { var l = LS(); if (l) l.removeItem(POS); }
     } catch (e) {}
   })();
   function toHome(fallback) {
@@ -72,7 +101,7 @@
       try { c = clean(url); } catch (e) { return false; }
       at = Date.now();
       try { if (typeof H.onLeave === 'function') H.onLeave(); } catch (e) {}
-      try { localStorage.setItem(OK, JSON.stringify({ u: c, at: at })); } catch (e) {}
+      setMark(JSON.stringify({ u: c, at: at }));
       m.navigateTo({
         url: VIEW + '?url=' + encodeURIComponent(c),
         fail: function () { at = 0; if (fallback) fallback(); else location.href = url; }
diff --git a/topic/_shared/article.js b/topic/_shared/article.js
index ef3f6db..301f848 100644
--- a/topic/_shared/article.js
+++ b/topic/_shared/article.js
@@ -6,7 +6,7 @@
  */
 (function () {
   /* 11-09 小程序「复制链接」直达：加载 js/host-nav.js（容器页返回走 navigateBack、页内链接开容器页） */
-  try { if (!window.MBHost && document.currentScript) { var hs = document.createElement('script'); hs.src = new URL('../../js/host-nav.js?v=26110907', document.currentScript.src).href; document.head.appendChild(hs); } } catch (e) {}
+  try { if (!window.MBHost && document.currentScript) { var hs = document.createElement('script'); hs.src = new URL('../../js/host-nav.js?v=26110908', document.currentScript.src).href; document.head.appendChild(hs); } } catch (e) {}
   'use strict';
   var D = window.TOPIC;
   if (!D) return;
diff --git a/topic/_shared/calc.js b/topic/_shared/calc.js
index 2ca484e..3afec67 100644
--- a/topic/_shared/calc.js
+++ b/topic/_shared/calc.js
@@ -3,7 +3,7 @@
 (function (g) {
   'use strict';
   /* 11-09 小程序「复制链接」直达：加载 js/host-nav.js（容器页返回走 navigateBack、页内链接开容器页） */
-  try { if (!window.MBHost && document.currentScript) { var hs = document.createElement('script'); hs.src = new URL('../../js/host-nav.js?v=26110907', document.currentScript.src).href; document.head.appendChild(hs); } } catch (e) {}
+  try { if (!window.MBHost && document.currentScript) { var hs = document.createElement('script'); hs.src = new URL('../../js/host-nav.js?v=26110908', document.currentScript.src).href; document.head.appendChild(hs); } } catch (e) {}
   var $ = function (s) { return document.querySelector(s); };
   var DAY = 864e5;
   function today() { var n = new Date(Date.now() + 288e5); return Date.UTC(n.getUTCFullYear(), n.getUTCMonth(), n.getUTCDate()); }
diff --git a/topic/buji/index.html b/topic/buji/index.html
index 701ad26..52c52be 100644
--- a/topic/buji/index.html
+++ b/topic/buji/index.html
@@ -171,7 +171,7 @@ b{color:var(--h)}
 .nu:active,.nc li:active{transform:scale(.98)}
 @media (prefers-reduced-motion:reduce){.fade,.fade .fi{opacity:1;transform:none;transition:none}}
 </style>
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <!-- 单色线性图标，stroke 1.8 -->
diff --git a/topic/ceshi/index.html b/topic/ceshi/index.html
index 904b9b3..ed4c2e1 100644
--- a/topic/ceshi/index.html
+++ b/topic/ceshi/index.html
@@ -178,7 +178,7 @@ mark{background:linear-gradient(transparent 62%,var(--c20) 0);color:inherit;padd
 @media (prefers-reduced-motion:reduce){.fade,.stage,.view.on,.mask.on{opacity:1;transform:none;transition:none;animation:none}}
 </style>
 <link rel="stylesheet" href="../_shared/quiz-skin.css?v=26110643"><!-- 11-07 答题页底色 / 卡片 -->
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <!-- 单色线性图标（每题一个场景图标 q-*） -->
diff --git a/topic/duiyou/index.html b/topic/duiyou/index.html
index 1becf6d..d025b97 100644
--- a/topic/duiyou/index.html
+++ b/topic/duiyou/index.html
@@ -179,7 +179,7 @@ mark{background:linear-gradient(transparent 62%,var(--c20) 0);color:inherit;padd
 @media (prefers-reduced-motion:reduce){.fade,.stage,.view.on,.mask.on{opacity:1;transform:none;transition:none;animation:none}}
 </style>
 <link rel="stylesheet" href="../_shared/quiz-skin.css?v=26110643"><!-- 11-07 答题页底色 / 卡片 -->
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <!-- 单色线性图标（每题一个场景图标 q-*） -->
diff --git a/topic/huafei/index.html b/topic/huafei/index.html
index 2123d70..688ae03 100644
--- a/topic/huafei/index.html
+++ b/topic/huafei/index.html
@@ -278,7 +278,7 @@ h1 .mk{background:linear-gradient(transparent 64%,rgba(24,160,88,.24) 0)}
 .mask .row button,.mask .row a{height:34px;padding:0 18px;border-radius:99px;border:1px solid rgba(255,255,255,.6);color:#fff;font-size:13.5px;line-height:32px;text-decoration:none}
 @media (prefers-reduced-motion:reduce){.screen.on,.mask.on{animation:none}.fu{opacity:1;transform:none;transition:none}}
 </style>
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <svg class="hide" aria-hidden="true" xmlns="http://www.w3.org/2000/svg">
diff --git a/topic/jisuan/index.html b/topic/jisuan/index.html
index 36be62f..23e2e2d 100644
--- a/topic/jisuan/index.html
+++ b/topic/jisuan/index.html
@@ -45,7 +45,7 @@ button{font:inherit;border:0;background:none;color:inherit;cursor:pointer}
 .mb-brand{text-align:center;color:#C29A8F;font-size:11.5px;line-height:1.7}.mb-brand img{display:block;width:86px;height:auto;margin:0 auto 6px;opacity:.6}.mb-brand p{display:flex;align-items:center;justify-content:center;gap:8px;margin:0;letter-spacing:.06em}.mb-brand p::before,.mb-brand p::after{content:'';width:28px;height:1px;background:#EAD3CC}
 #scroll .mb-brand{margin:20px 0 0;padding-bottom:calc(120px + env(safe-area-inset-bottom))}   /* 给底部 Tab 让位 */
 </style>
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <div id="scroll">
diff --git a/topic/wen/index.html b/topic/wen/index.html
index dc4106f..f4eb882 100644
--- a/topic/wen/index.html
+++ b/topic/wen/index.html
@@ -184,7 +184,7 @@ h2{font-size:18px;font-weight:700;line-height:1.4;color:var(--ink)}
 @media (prefers-reduced-motion:reduce){.fade{opacity:1;transform:none;transition:none}}
 @media (max-width:370px){h1{font-size:26px}.pt b{font-size:13.5px}.bm{padding:9px 8px 11px}.bm .v{font-size:18px}}
 </style>
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <!-- 单色线性图标：stroke 1.8，颜色走 .ic（主色） -->
diff --git a/topic/yali/index.html b/topic/yali/index.html
index dac527b..5594173 100644
--- a/topic/yali/index.html
+++ b/topic/yali/index.html
@@ -197,7 +197,7 @@ mark{background:linear-gradient(transparent 62%,var(--c20) 0);color:inherit;padd
 .care p+p{margin-top:8px}
 </style>
 <link rel="stylesheet" href="../_shared/quiz-skin.css?v=26110643"><!-- 11-07 答题页底色 / 卡片 -->
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <!-- 单色线性图标（每题一个场景图标 q-*） -->
diff --git a/topic/yingyang/index.html b/topic/yingyang/index.html
index 55b5700..bdda0fa 100644
--- a/topic/yingyang/index.html
+++ b/topic/yingyang/index.html
@@ -178,7 +178,7 @@ h1 em{font-style:normal;background:linear-gradient(transparent 62%,rgba(240,138,
 .fade.in{opacity:1;transform:none}
 @media (prefers-reduced-motion:reduce){.fade{opacity:1;transform:none;transition:none}.amt .tr i{transform:none;transition:none}}
 </style>
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <svg width="0" height="0" style="position:absolute" aria-hidden="true">
diff --git a/topic/yinshi/index.html b/topic/yinshi/index.html
index 39be1f2..3cd730c 100644
--- a/topic/yinshi/index.html
+++ b/topic/yinshi/index.html
@@ -196,7 +196,7 @@ mark{background:linear-gradient(transparent 62%,var(--c20) 0);color:inherit;padd
 .warn{margin-top:20px;padding:10px 14px;border-radius:14px;background:var(--cbg);color:#4F7F2A;font-size:13px;line-height:1.6;text-align:center}
 </style>
 <link rel="stylesheet" href="../_shared/quiz-skin.css?v=26110643"><!-- 11-07 答题页底色 / 卡片 -->
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <!-- 单色线性图标（每题一个场景图标 q-*） -->
diff --git a/topic/yuchanqi-js/index.html b/topic/yuchanqi-js/index.html
index a6b4d05..ec41fbb 100644
--- a/topic/yuchanqi-js/index.html
+++ b/topic/yuchanqi-js/index.html
@@ -72,7 +72,7 @@ button{cursor:pointer}
 .foot{margin:14px 20px 0;font-size:12px;color:var(--m);text-align:center;line-height:1.6}
 </style>
 <link rel="stylesheet" href="../_shared/wizard.css?v=26110464">
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <svg style="position:absolute;width:0;height:0" aria-hidden="true"><symbol id="i-back" viewBox="0 0 24 24"><path d="M15 5l-7 7 7 7"/></symbol></svg>
diff --git a/topic/zhichang/index.html b/topic/zhichang/index.html
index 5933d4e..4d92659 100644
--- a/topic/zhichang/index.html
+++ b/topic/zhichang/index.html
@@ -205,7 +205,7 @@ html.cm:not(.cm-all) .cm-more{display:flex;align-items:center;justify-content:ce
 <!-- 11-04 计算器模式（calc=1）走分步：一步一题、最后出结果，见 ../_shared/wizard.js -->
 <link rel="stylesheet" href="../_shared/wizard.css?v=26110464">
 <script src="../_shared/wizard.js?v=26110464"></script>
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <svg class="hide" aria-hidden="true" xmlns="http://www.w3.org/2000/svg">
diff --git a/topic/zhunbei/index.html b/topic/zhunbei/index.html
index 3d3a8d6..c85b1cd 100644
--- a/topic/zhunbei/index.html
+++ b/topic/zhunbei/index.html
@@ -197,7 +197,7 @@ mark{background:linear-gradient(transparent 62%,var(--c20) 0);color:inherit;padd
 @media (prefers-reduced-motion:reduce){.fade,.stage,.view.on,.mask.on{opacity:1;transform:none;transition:none;animation:none}}
 </style>
 <link rel="stylesheet" href="../_shared/quiz-skin.css?v=26110643"><!-- 11-07 答题页底色 / 卡片 -->
-<script src="../../js/host-nav.js?v=26110907"></script>
+<script src="../../js/host-nav.js?v=26110908"></script>
 </head>
 <body>
 <!-- 单色线性图标（每题一个场景图标 q-*） -->