diff --git a/src/views/admin/AdminView.vue b/src/views/admin/AdminView.vue
index 742873a..4930802 100644
--- a/src/views/admin/AdminView.vue
+++ b/src/views/admin/AdminView.vue
@@ -79,13 +79,14 @@ const statusMeta = {
 } satisfies Record<CloudStatus, { label: string; chip: string }>
 
 const tabs = [
-  { key: 'dashboard', label: '数据看板' },
-  { key: 'review', label: '内容审核' },
-  { key: 'users', label: '用户管理' },
-  { key: 'images', label: '图片管理' },
-] satisfies Array<{ key: AdminTab; label: string }>
+  { key: 'dashboard', label: '数据看板', code: '01', description: '运行概览与内容分布' },
+  { key: 'review', label: '内容审核', code: '02', description: '处理待审核上传' },
+  { key: 'users', label: '用户管理', code: '03', description: '角色与账号状态' },
+  { key: 'images', label: '图片管理', code: '04', description: '内容状态与可见性' },
+] satisfies Array<{ key: AdminTab; label: string; code: string; description: string }>
 
 const pendingImages = computed(() => images.value.filter(item => item.status === 'pending'))
+const activeTabMeta = computed(() => tabs.find(tab => tab.key === activeTab.value) ?? tabs[0])
 const filteredImages = computed(() => {
   if (imageFilter.value === 'all') return images.value
   return images.value.filter(item => item.status === imageFilter.value)
@@ -408,63 +409,106 @@ onMounted(loadAdminData)
 
 <template>
   <div class="min-h-screen bg-[linear-gradient(180deg,#f8fafc_0%,#eef6ff_55%,#f8fafc_100%)]">
-    <section class="border-b border-slate-200 bg-white/82 backdrop-blur">
-      <div class="mx-auto max-w-7xl px-4 py-10">
-        <div class="flex flex-col gap-5 lg:flex-row lg:items-end lg:justify-between">
+    <div class="mx-auto min-h-screen max-w-[1536px] lg:grid lg:grid-cols-[280px_minmax(0,1fr)]">
+      <aside class="border-b border-slate-200 bg-white/88 px-4 py-5 backdrop-blur lg:sticky lg:top-16 lg:flex lg:h-[calc(100vh-4rem)] lg:flex-col lg:border-b-0 lg:border-r lg:px-5 lg:py-7">
+        <div class="flex items-start justify-between gap-4 lg:block">
           <div>
-            <p class="text-sm font-semibold uppercase tracking-[0.24em] text-sky-700">Admin Console</p>
-            <h1 class="mt-3 text-4xl font-bold text-slate-950">管理后台</h1>
-            <!-- <p class="mt-4 max-w-2xl text-sm leading-7 text-slate-600">
-              集中处理社区云图审核、图片可见性、用户角色和运行数据。所有操作都由 FastAPI 服务统一处理。
-            </p> -->
+            <p class="text-xs font-semibold uppercase tracking-[0.24em] text-sky-700">Admin Console</p>
+            <h1 class="mt-2 text-2xl font-bold text-slate-950">管理工作台</h1>
+            <p class="mt-2 hidden text-sm leading-6 text-slate-500 lg:block">社区内容、成员与运行状态的集中控制台。</p>
           </div>
 
-          <NButton secondary strong type="default" class="oc-panel-button oc-panel-button--neutral" :loading="loading" @click="loadAdminData">
+          <NButton secondary strong type="default" class="oc-panel-button oc-panel-button--neutral lg:hidden" :loading="loading" @click="loadAdminData">
             <template #icon>
               <NIcon><Refresh /></NIcon>
             </template>
-            刷新数据
+            刷新
           </NButton>
         </div>
-      </div>
-    </section>
 
-    <main class="mx-auto max-w-7xl px-4 py-8">
-      <NAlert
-        v-if="loadError"
-        class="mb-6"
-        type="error"
-        :show-icon="false"
-        :bordered="false"
-        title="后台操作失败"
-      >
-        {{ loadError }}
-      </NAlert>
-
-      <section v-if="loading" class="grid gap-4 md:grid-cols-4">
-        <div v-for="n in 8" :key="n" class="border border-slate-200 bg-white p-5">
-          <NSkeleton class="h-4 w-1/2" />
-          <NSkeleton class="mt-4 h-8 w-2/3" />
-          <NSkeleton class="mt-3 h-3 w-full" />
-        </div>
-      </section>
-
-      <template v-else>
-        <section class="grid gap-3 md:grid-cols-4">
+        <nav aria-label="后台管理分区" class="mt-5 flex gap-2 overflow-x-auto pb-1 lg:mt-8 lg:block lg:space-y-2 lg:overflow-visible lg:pb-0">
           <button
             v-for="tab in tabs"
             :key="tab.key"
             type="button"
-            class="border px-5 py-4 text-left transition-colors"
-            :class="activeTab === tab.key ? 'border-sky-500 bg-sky-50 text-sky-900' : 'border-slate-200 bg-white text-slate-600 hover:border-slate-400'"
+            class="group flex min-w-[168px] items-center gap-3 border px-3 py-3 text-left transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-teal-600 focus-visible:ring-offset-2 lg:w-full lg:min-w-0"
+            :class="activeTab === tab.key
+              ? 'border-teal-200 bg-teal-50 text-teal-900 shadow-[3px_3px_0_0_rgba(20,184,166,0.14)]'
+              : 'border-transparent bg-white text-slate-600 hover:border-slate-200 hover:bg-slate-50 hover:text-slate-950'"
+            :aria-current="activeTab === tab.key ? 'page' : undefined"
             @click="activeTab = tab.key"
           >
-            <span class="text-sm font-semibold">{{ tab.label }}</span>
-            <span v-if="tab.key === 'review'" class="ml-2 text-xs text-amber-600">{{ dashboardStats.pending }}</span>
+            <span
+              class="font-mono text-xs font-semibold"
+              :class="activeTab === tab.key ? 'text-teal-700' : 'text-slate-400 group-hover:text-slate-600'"
+            >
+              {{ tab.code }}
+            </span>
+            <span class="min-w-0 flex-1">
+              <span class="block text-sm font-semibold">{{ tab.label }}</span>
+              <span class="mt-0.5 hidden truncate text-xs text-slate-500 lg:block">{{ tab.description }}</span>
+            </span>
+            <span
+              v-if="tab.key === 'review' && dashboardStats.pending"
+              class="inline-flex min-w-6 justify-center border border-amber-200 bg-amber-100 px-1.5 py-0.5 text-xs font-semibold text-amber-800"
+            >
+              {{ dashboardStats.pending }}
+            </span>
           </button>
+        </nav>
+
+        <div class="mt-auto hidden lg:block">
+          <div class="mb-4 border border-sky-100 bg-[linear-gradient(135deg,#f0fdfa_0%,#eff6ff_100%)] p-4">
+            <p class="text-xs font-semibold uppercase tracking-[0.18em] text-slate-500">当前待办</p>
+            <div class="mt-3 flex items-end justify-between">
+              <span class="text-3xl font-bold text-amber-800">{{ dashboardStats.pending }}</span>
+              <span class="pb-1 text-xs text-slate-500">张图片待审核</span>
+            </div>
+          </div>
+          <NButton secondary strong type="default" class="oc-panel-button oc-panel-button--neutral w-full" :loading="loading" @click="loadAdminData">
+            <template #icon>
+              <NIcon><Refresh /></NIcon>
+            </template>
+            刷新后台数据
+          </NButton>
+        </div>
+      </aside>
+
+      <main class="min-w-0 px-4 py-7 sm:px-6 lg:px-8 lg:py-9">
+        <header class="mb-7 border-b border-slate-200 pb-6">
+          <p class="text-xs font-semibold uppercase tracking-[0.24em] text-sky-700">
+            {{ activeTabMeta.code }} / {{ activeTabMeta.label }}
+          </p>
+          <div class="mt-2 flex flex-col gap-2 xl:flex-row xl:items-end xl:justify-between">
+            <div>
+              <h2 class="text-3xl font-bold text-slate-950">{{ activeTabMeta.label }}</h2>
+              <p class="mt-2 text-sm leading-6 text-slate-500">{{ activeTabMeta.description }}</p>
+            </div>
+            <p class="text-xs text-slate-400">数据以最近一次刷新结果为准</p>
+          </div>
+        </header>
+
+        <NAlert
+          v-if="loadError"
+          class="mb-6"
+          type="error"
+          :show-icon="false"
+          :bordered="false"
+          title="后台操作失败"
+        >
+          {{ loadError }}
+        </NAlert>
+
+        <section v-if="loading" class="grid gap-4 md:grid-cols-2 xl:grid-cols-4">
+          <div v-for="n in 8" :key="n" class="border border-slate-200 bg-white p-5">
+            <NSkeleton class="h-4 w-1/2" />
+            <NSkeleton class="mt-4 h-8 w-2/3" />
+            <NSkeleton class="mt-3 h-3 w-full" />
+          </div>
         </section>
 
-        <section v-if="activeTab === 'dashboard'" class="mt-6 space-y-6">
+        <template v-else>
+        <section v-if="activeTab === 'dashboard'" class="space-y-6">
           <div class="grid gap-4 md:grid-cols-4">
             <div class="border border-slate-200 bg-white p-5">
               <p class="text-sm text-slate-500">总用户数</p>
@@ -524,7 +568,7 @@ onMounted(loadAdminData)
           </div>
         </section>
 
-        <section v-else-if="activeTab === 'review'" class="mt-6">
+        <section v-else-if="activeTab === 'review'">
           <div class="mb-4 flex flex-col gap-3 border border-slate-200 bg-white p-4 md:flex-row md:items-center md:justify-between">
             <div>
               <h2 class="text-xl font-bold text-slate-950">待审核队列</h2>
@@ -599,7 +643,7 @@ onMounted(loadAdminData)
           </div>
         </section>
 
-        <section v-else-if="activeTab === 'users'" class="mt-6">
+        <section v-else-if="activeTab === 'users'">
           <div class="overflow-hidden border border-slate-200 bg-white">
             <div class="grid grid-cols-[1.1fr_0.8fr_0.7fr_0.9fr_1.2fr] border-b border-slate-200 bg-slate-50 px-4 py-3 text-xs font-semibold uppercase tracking-[0.14em] text-slate-500">
               <span>用户</span>
@@ -650,7 +694,7 @@ onMounted(loadAdminData)
           </div>
         </section>
 
-        <section v-else class="mt-6">
+        <section v-else>
           <div class="mb-4 flex flex-col gap-3 border border-slate-200 bg-white p-4 md:flex-row md:items-center md:justify-between">
             <div>
               <h2 class="text-xl font-bold text-slate-950">图片管理</h2>
@@ -776,8 +820,9 @@ onMounted(loadAdminData)
             <NEmpty description="没有符合筛选条件的图片" />
           </div>
         </section>
-      </template>
-    </main>
+        </template>
+      </main>
+    </div>
 
     <ImageDetailModal
       v-if="selectedImage"