diff --git a/src/ElectionSystem.Api/Pages/Account/Logout.cshtml b/src/ElectionSystem.Api/Pages/Account/Logout.cshtml
index 0ffd600..71a062f 100644
--- a/src/ElectionSystem.Api/Pages/Account/Logout.cshtml
+++ b/src/ElectionSystem.Api/Pages/Account/Logout.cshtml
@@ -1,3 +1,3 @@
 @page "/account/logout"
 @model ElectionSystem.Api.Pages.Account.LogoutModel
-<form method="post" id="logout-form"><button type="submit">退出登录</button></form>
+<section class="logout-page"><p>正在准备退出登录。</p><form method="post" id="logout-form"><button class="admin-button" type="submit">确认退出</button></form></section>
diff --git a/src/ElectionSystem.Api/Pages/Account/_ViewStart.cshtml b/src/ElectionSystem.Api/Pages/Account/_ViewStart.cshtml
new file mode 100644
index 0000000..9854bd4
--- /dev/null
+++ b/src/ElectionSystem.Api/Pages/Account/_ViewStart.cshtml
@@ -0,0 +1,3 @@
+@{
+    Layout = "_ManagementLayout";
+}
diff --git a/src/ElectionSystem.Api/Pages/Admin/_ViewStart.cshtml b/src/ElectionSystem.Api/Pages/Admin/_ViewStart.cshtml
new file mode 100644
index 0000000..9854bd4
--- /dev/null
+++ b/src/ElectionSystem.Api/Pages/Admin/_ViewStart.cshtml
@@ -0,0 +1,3 @@
+@{
+    Layout = "_ManagementLayout";
+}
diff --git a/src/ElectionSystem.Api/Pages/Shared/_ManagementLayout.cshtml b/src/ElectionSystem.Api/Pages/Shared/_ManagementLayout.cshtml
new file mode 100644
index 0000000..166080c
--- /dev/null
+++ b/src/ElectionSystem.Api/Pages/Shared/_ManagementLayout.cshtml
@@ -0,0 +1,36 @@
+@{
+    var title = ViewData["Title"] as string ?? "管理端";
+}
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="description" content="选举与投票信息系统管理端" />
+    <title>@title - 选举与投票信息系统</title>
+    <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
+</head>
+<body class="management-document">
+    <a class="skip-link" href="#main-content">跳到主要内容</a>
+    <header class="management-header">
+        <a class="management-header__brand" href="/admin/dashboard"><span>选务</span><strong>管理工作台</strong></a>
+        <nav class="management-header__nav" aria-label="管理端导航">
+            @if (User.Identity?.IsAuthenticated == true)
+            {
+                <a href="/admin/dashboard">进入工作台</a>
+                <form method="post" action="/account/logout"><button type="submit">退出登录</button></form>
+            }
+            else
+            {
+                <a href="/">返回公开门户</a>
+                <a href="/account/login">登录</a>
+            }
+        </nav>
+    </header>
+    <main id="main-content">
+        @RenderBody()
+    </main>
+    <footer class="management-footer">选举与投票信息系统 · 管理操作均按授权范围记录。</footer>
+    @await RenderSectionAsync("Scripts", required: false)
+</body>
+</html>
diff --git a/src/ElectionSystem.Api/wwwroot/css/site.css b/src/ElectionSystem.Api/wwwroot/css/site.css
index 17c3f64..856290b 100644
--- a/src/ElectionSystem.Api/wwwroot/css/site.css
+++ b/src/ElectionSystem.Api/wwwroot/css/site.css
@@ -72,3 +72,5 @@ a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid
 @media (max-width: 62rem) { .admin-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }.admin-shell { grid-template-columns: 12.5rem minmax(0, 1fr); } }
 @media (max-width: 46rem) { .admin-shell { display: block; }.admin-sidebar { display: flex; overflow-x: auto; padding: .5rem .75rem; border-right: 0; border-bottom: 1px solid #d6dfe7; }.admin-sidebar__label { display: none; }.admin-sidebar a { flex: 0 0 auto; border-left: 0; border-bottom: .18rem solid transparent; }.admin-sidebar a.active { border-bottom-color: #1c73ad; }.admin-content { padding: 1.2rem 1rem; }.admin-page__heading { align-items: start; flex-direction: column; }.admin-stat-grid { grid-template-columns: 1fr 1fr; }.admin-razor-page { padding: 1.2rem 1rem; }.admin-topbar { padding: 0 1rem; } }
 .login-page { display: grid; min-height: 100vh; place-items: center; padding: 1.5rem; background: linear-gradient(135deg, #e5eff6 0%, #f4f7fa 55%, #dce9f2 100%); }.login-card { width: min(100%, 27rem); padding: 2.25rem; background: #fff; border-top: .3rem solid #1769aa; box-shadow: 0 1.4rem 3rem rgba(22, 58, 89, .14); }.login-card h1 { margin: 0; font-family: "Noto Serif SC", SimSun, serif; font-size: 2rem; }.login-card > p:not(.eyebrow) { color: #617487; line-height: 1.7; }.login-form { display: grid; gap: 1rem; margin-top: 1.5rem; }.login-form label { display: grid; gap: .4rem; color: #405769; font-size: .86rem; font-weight: 750; }.login-form input:not([type="checkbox"]) { padding: .68rem; border: 1px solid #b9c8d5; font: inherit; }.login-check { display: flex !important; grid-template-columns: auto 1fr; align-items: center; gap: .5rem !important; font-weight: 500 !important; }.login-error { color: #992f2f; font-size: .88rem; }
+.management-document { display: grid; grid-template-rows: auto 1fr auto; min-height: 100vh; background: #eef2f5; }.management-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.25rem; padding: 0 1.5rem; color: #fff; background: #163a59; }.management-header__brand { display: flex; align-items: baseline; gap: .55rem; color: #fff; text-decoration: none; }.management-header__brand span { padding: .16rem .38rem; color: #163a59; background: #d4e7f5; font-weight: 850; letter-spacing: .08em; }.management-header__brand strong { letter-spacing: .08em; }.management-header__nav { display: flex; align-items: center; gap: 1rem; }.management-header__nav a, .management-header__nav button { color: #d4e7f5; background: transparent; border: 0; font: inherit; font-size: .85rem; text-decoration: none; cursor: pointer; }.management-header__nav form { margin: 0; }.management-footer { padding: 1rem 1.5rem; color: #b8c7d2; background: #23313f; font-size: .78rem; }.management-document .admin-razor-page { width: min(100%, 82rem); margin: 0 auto; padding: clamp(1.5rem, 4vw, 3rem); }.management-document .admin-razor-page > h1 { margin: 0; font-family: "Noto Serif SC", SimSun, serif; font-size: clamp(1.8rem, 3.4vw, 2.6rem); }.management-document .admin-razor-page > p:not(.eyebrow) { max-width: 48rem; color: #617487; line-height: 1.7; }.logout-page { width: min(100% - 2rem, 34rem); margin: 4rem auto; padding: 1.5rem; background: #fff; border-top: .25rem solid #1769aa; }
+@media (max-width: 40rem) { .management-header { align-items: flex-start; flex-direction: column; justify-content: center; padding: .9rem 1rem; }.management-header__nav { width: 100%; justify-content: space-between; }.management-footer { padding: 1rem; }.management-document .admin-razor-page { padding: 1.25rem 1rem; } }