From 88b1a330a6ca3e7c408402894cb9084ec848c08a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=91=A3=E5=AE=8F=E5=87=AF?= <hkdong@kland.com.cn>
Date: Mon, 15 Jun 2026 18:31:50 +0800
Subject: [PATCH] =?UTF-8?q?fix(roundtable):=20=E4=BF=AE=E5=A4=8D=E5=BC=B9?=
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 =?UTF-8?q?=E9=81=AE=E6=8C=A1=E7=9A=84=20z-index=20=E9=97=AE=E9=A2=98?=
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将全局 Header z-[2101] 降为 z-[45]、圆桌页内部 header z-[2000] 降为 z-[40]，
使两者低于 Shadcn Dialog 遮罩层 z-50，弹窗打开时可正常覆盖导航栏。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 .../src/roundtable-planning/pages/RoundtablePlanningPage.tsx    | 2 +-
 frontend-web/src/strategy-components/Header.tsx                 | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/frontend-web/src/roundtable-planning/pages/RoundtablePlanningPage.tsx b/frontend-web/src/roundtable-planning/pages/RoundtablePlanningPage.tsx
index 9163c070..c0b01eb6 100644
--- a/frontend-web/src/roundtable-planning/pages/RoundtablePlanningPage.tsx
+++ b/frontend-web/src/roundtable-planning/pages/RoundtablePlanningPage.tsx
@@ -1366,7 +1366,7 @@ export default function RoundtablePlanningPage() {
       )}
 
       {/* HEADER */}
-      <header className="relative z-[2000] flex shrink-0 items-center justify-between gap-4 border-b border-slate-100 bg-white px-6 py-3 shadow-[0_1px_3px_rgba(0,0,0,0.02)] dark:border-border dark:bg-card dark:shadow-none">
+      <header className="relative z-[40] flex shrink-0 items-center justify-between gap-4 border-b border-slate-100 bg-white px-6 py-3 shadow-[0_1px_3px_rgba(0,0,0,0.02)] dark:border-border dark:bg-card dark:shadow-none">
         <StepNavigation
           currentStep={currentStep}
           intentReady={step1.intentReady}
diff --git a/frontend-web/src/strategy-components/Header.tsx b/frontend-web/src/strategy-components/Header.tsx
index 0b2e12f7..5e507e62 100644
--- a/frontend-web/src/strategy-components/Header.tsx
+++ b/frontend-web/src/strategy-components/Header.tsx
@@ -294,7 +294,7 @@ const Header = ({ collapsed }: HeaderProps) => {
         open={notificationOpen}
         onOpenChange={setNotificationOpen}
       />
-      <header className="strategy-app-header theme-transition relative z-[2101] flex h-16 items-center justify-between px-4">
+      <header className="strategy-app-header theme-transition relative z-[45] flex h-16 items-center justify-between px-4">
         {showTopNav ? (
           <>
             {/* 左分区（flex-1）：菜单靠右贴近中间基座 */}