diff --git a/admin-frontend-vue/e2e/notification-panel.spec.ts b/admin-frontend-vue/e2e/notification-panel.spec.ts
new file mode 100644
index 00000000..d3c61123
--- /dev/null
+++ b/admin-frontend-vue/e2e/notification-panel.spec.ts
@@ -0,0 +1,122 @@
+import { expect, test, type Page } from '@playwright/test'
+
+// 站内通知铃铛面板验收：关键字/年月日区间搜索、按天分组、分页。
+// 依赖 scripts/mock-admin-server.mjs 的通知夹具（14 条：09-13 六条、09-12 四条、09-10 四条）。
+
+async function openBell(page: Page) {
+  await page.goto('/admin-vue/')
+  await expect(page.locator('.admin-topbar h1')).toHaveText('用户管理')
+  await page.locator('.admin-notification-bell .bell-trigger').click()
+  await expect(page.locator('.bell-panel')).toBeVisible()
+  await expect(page.locator('.bell-item').first()).toBeVisible()
+}
+
+test('test_notification_panel_day_group_and_pagination', async ({ page }) => {
+  await openBell(page)
+
+  const panel = page.locator('.bell-panel')
+  const nextPage = panel.getByRole('button', { name: '下一页' })
+
+  // 每页 10 条，跨两个日期分组，页脚显示页码与总数
+  await expect(page.locator('.bell-item')).toHaveCount(10)
+  await expect(page.locator('.bell-day-head')).toHaveCount(2)
+  await expect(page.locator('.bell-page-info')).toHaveText('1 / 2')
+  await expect(page.locator('.bell-page-total')).toHaveText('共 14 条')
+  await expect(page.locator('.bell-day-head').first()).toHaveText(/^(今天|昨天|\d{4}年\d{1,2}月\d{1,2}日)$/)
+
+  const page2Request = page.waitForRequest(
+    (request) => request.url().includes('/api/admin/notifications?') && request.url().includes('page=2'),
+  )
+  await nextPage.click()
+  await page2Request
+
+  await expect(page.locator('.bell-item')).toHaveCount(4)
+  await expect(page.locator('.bell-page-info')).toHaveText('2 / 2')
+  await expect(page.locator('.bell-day-head')).toHaveCount(1)
+  await expect(nextPage).toBeDisabled()
+})
+
+test('test_notification_panel_search_by_keyword', async ({ page }) => {
+  await openBell(page)
+
+  const keywordRequest = page.waitForRequest((request) =>
+    decodeURIComponent(request.url()).includes('keyword=余额不足'),
+  )
+  await page.locator('.bell-search-input').fill('余额不足')
+  await keywordRequest
+
+  // 关键字命中标题/内容：夹具里 5 条含「余额不足」
+  await expect(page.locator('.bell-item')).toHaveCount(5)
+  await expect(page.locator('.bell-page-total')).toHaveText('共 5 条')
+  await expect(page.locator('.bell-search-reset')).toBeVisible()
+
+  await page.locator('.bell-search-reset').click()
+  await expect(page.locator('.bell-item')).toHaveCount(10)
+  await expect(page.locator('.bell-search-reset')).toBeHidden()
+})
+
+test('test_notification_panel_search_by_day_range', async ({ page }) => {
+  await openBell(page)
+
+  const rangeRequest = page.waitForRequest(
+    (request) =>
+      request.url().includes('startDate=2026-09-12') && request.url().includes('endDate=2026-09-12'),
+  )
+  await page.locator('.bell-date-input').first().fill('2026-09-12')
+  await page.locator('.bell-date-input').nth(1).fill('2026-09-12')
+  await rangeRequest
+
+  await expect(page.locator('.bell-item')).toHaveCount(4)
+  await expect(page.locator('.bell-day-head')).toHaveCount(1)
+  await expect(page.locator('.bell-page-total')).toHaveText('共 4 条')
+  await expect(page.locator('.bell-empty')).toHaveCount(0)
+
+  // 起止倒挂自动交换：09-13 起 / 09-10 止 → 实际按 09-10 ~ 09-13 查询（全量 14 条）
+  await page.locator('.bell-date-input').first().fill('2026-09-13')
+  await page.locator('.bell-date-input').nth(1).fill('2026-09-10')
+  await expect(page.locator('.bell-page-total')).toHaveText('共 14 条')
+  await expect(page.locator('.bell-item')).toHaveCount(10)
+})
+
+test('test_notification_panel_not_covered_by_page_content', async ({ page }) => {
+  await openBell(page)
+
+  // 回归：面板挂在顶栏内时曾被页面 el-select 压住（提 z-index 无效），现改为 Teleport 到 body。
+  // 这里在面板内取多点做命中测试，最上层元素必须属于面板自身。
+  const covered = await page.evaluate(() => {
+    const panel = document.querySelector('.bell-panel') as HTMLElement
+    const rect = panel.getBoundingClientRect()
+    const points: Array<[number, number]> = [
+      [rect.left + 30, rect.top + 130],
+      [rect.left + rect.width / 2, rect.top + rect.height / 2],
+      [rect.right - 30, rect.bottom - 60],
+    ]
+    return points
+      .map(([x, y]) => document.elementsFromPoint(x, y)[0])
+      .filter((el) => !!el && el !== panel && !panel.contains(el))
+      .map((el) => `${el!.tagName}.${String((el as HTMLElement).className).slice(0, 40)}`)
+  })
+  expect(covered, '面板被页面元素遮挡').toEqual([])
+})
+
+test('test_notification_panel_reference_screenshot', async ({ page }) => {
+  await openBell(page)
+
+  // 同日多条不得重叠：逐条校验纵向排布严格递增（截图伪影与真实布局问题的分界）
+  const tops = await page
+    .locator('.bell-item')
+    .evaluateAll((els) => els.map((el) => el.getBoundingClientRect().top))
+  for (let i = 1; i < tops.length; i += 1) {
+    expect(tops[i], `第 ${i + 1} 条应排在第 ${i} 条下方`).toBeGreaterThan(tops[i - 1])
+  }
+
+  await page.screenshot({ path: 'test-results/notification-panel-admin-page.jpg', animations: 'disabled' })
+  await page.locator('.bell-panel').screenshot({ path: 'test-results/notification-panel-admin.jpg', animations: 'disabled' })
+
+  await page.locator('.bell-search-input').fill('余额不足')
+  await expect(page.locator('.bell-item')).toHaveCount(5)
+  await page.locator('.bell-panel').screenshot({
+    path: 'test-results/notification-panel-admin-search.jpg',
+    animations: 'disabled',
+  })
+})
diff --git a/admin-frontend-vue/scripts/mock-admin-server.mjs b/admin-frontend-vue/scripts/mock-admin-server.mjs
index 68e5fb5d..4c4db56f 100644
--- a/admin-frontend-vue/scripts/mock-admin-server.mjs
+++ b/admin-frontend-vue/scripts/mock-admin-server.mjs
@@ -142,6 +142,57 @@ function json(res, payload, status = 200) {
   res.end(body)
 }
 
+/* ===================== 站内通知夹具（铃铛面板：搜索/按天分组/分页验收用） ===================== */
+const NOTIFICATIONS = [
+  ...[6, 5, 4, 3, 2, 1].map((seq) => notif(seq, '2026-09-13', 22, seq, seq <= 3)),
+  ...[4, 3, 2, 1].map((seq) => notif(20 + seq, '2026-09-12', 20, seq, true)),
+  ...[4, 3, 2, 1].map((seq) => notif(30 + seq, '2026-09-10', 18, seq, true)),
+]
+
+function notif(id, day, hour, seq, read) {
+  const minutes = String(seq * 7).padStart(2, '0')
+  return {
+    id,
+    scene: id % 3 === 0 ? 'secret_balance' : 'task_failed',
+    level: id % 3 === 0 ? 'error' : 'warning',
+    title: id % 3 === 0 ? `用户密钥异常：测试用户${seq}` : `跟价任务失败`,
+    content: id % 3 === 0 ? `用户 测试用户${seq}（uid=${1100 + seq}）的代理设置对应服务商余额不足` : `用户 测试用户${seq} 有 ${seq} 个跟价任务失败`,
+    read,
+    readAt: read ? `${day} ${hour}:${minutes}:00` : null,
+    createdAt: `${day} ${hour}:${minutes}:00`,
+  }
+}
+
+/** 通知列表：关键字匹配标题/内容，日期按年月日区间（与 Java 侧同语义）。 */
+function notificationPage(searchParams) {
+  const keyword = (searchParams.get('keyword') || '').trim()
+  const startDate = searchParams.get('startDate') || ''
+  const endDate = searchParams.get('endDate') || ''
+  const page = Math.max(1, Number(searchParams.get('page') || 1))
+  const pageSize = Math.min(100, Math.max(1, Number(searchParams.get('pageSize') || 20)))
+  let rows = NOTIFICATIONS
+  if (keyword) {
+    rows = rows.filter((item) => `${item.title}${item.content}`.includes(keyword))
+  }
+  if (startDate) {
+    rows = rows.filter((item) => item.createdAt.slice(0, 10) >= startDate)
+  }
+  if (endDate) {
+    rows = rows.filter((item) => item.createdAt.slice(0, 10) <= endDate)
+  }
+  const start = (page - 1) * pageSize
+  return {
+    success: true,
+    data: {
+      items: rows.slice(start, start + pageSize),
+      total: rows.length,
+      page,
+      pageSize,
+      unreadCount: rows.filter((item) => !item.read).length,
+    },
+  }
+}
+
 const server = createServer((req, res) => {
   const url = (req.url || '').split('?')[0]
   const method = req.method || 'GET'
@@ -180,6 +231,18 @@ const server = createServer((req, res) => {
       data: { pending: false, scanned_at: '2026-09-05 08:30:00', items: ALL_ROWS, total: ALL_ROWS.length, page: 1, page_size: 20 },
     })
   }
+  if (url === '/api/admin/notifications/summary') {
+    return json(res, {
+      success: true,
+      data: {
+        unreadCount: NOTIFICATIONS.filter((item) => !item.read).length,
+        latestId: NOTIFICATIONS.reduce((max, item) => Math.max(max, item.id), 0),
+      },
+    })
+  }
+  if (url === '/api/admin/notifications') {
+    return json(res, notificationPage(new URL(req.url || '/', 'http://127.0.0.1').searchParams))
+  }
   if (url.startsWith('/api/')) {
     return json(res, { success: true, data: { items: [], total: 0 } })
   }
diff --git a/admin-frontend-vue/src/api/notifications.ts b/admin-frontend-vue/src/api/notifications.ts
index 0984bdc8..081c31b5 100644
--- a/admin-frontend-vue/src/api/notifications.ts
+++ b/admin-frontend-vue/src/api/notifications.ts
@@ -32,14 +32,28 @@ export async function fetchNotificationSummary(): Promise<AdminNotificationSumma
   return unwrap<AdminNotificationSummary>(data)
 }
 
+/** 列表查询参数：关键字匹配标题/内容；startDate/endDate 为年月日闭区间（yyyy-MM-dd）。 */
+export interface AdminNotificationListParams {
+  page?: number
+  pageSize?: number
+  onlyUnread?: boolean
+  keyword?: string
+  startDate?: string
+  endDate?: string
+}
+
 export async function fetchNotificationList(
-  params: { page?: number; pageSize?: number; onlyUnread?: boolean } = {},
+  params: AdminNotificationListParams = {},
 ): Promise<AdminNotificationPage> {
+  const keyword = (params.keyword ?? '').trim()
   const { data } = await http.get('/api/admin/notifications', {
     params: {
       page: params.page ?? 1,
       pageSize: params.pageSize ?? 20,
       onlyUnread: params.onlyUnread ? 'true' : 'false',
+      keyword: keyword || undefined,
+      startDate: params.startDate || undefined,
+      endDate: params.endDate || undefined,
     },
   })
   return unwrap<AdminNotificationPage>(data)
diff --git a/admin-frontend-vue/src/components/NotificationBell.vue b/admin-frontend-vue/src/components/NotificationBell.vue
index 9568459c..d37e0d4b 100644
--- a/admin-frontend-vue/src/components/NotificationBell.vue
+++ b/admin-frontend-vue/src/components/NotificationBell.vue
@@ -24,7 +24,16 @@
       <span v-if="badgeText" class="bell-badge">{{ badgeText }}</span>
     </button>
 
-    <div v-if="panelOpen" class="bell-panel" role="dialog" aria-label="通知列表">
+    <!-- 面板挂到 body 上（fixed 定位）：顶栏内绝对定位时会被列表页 el-select 等页面内容压住，提 z-index 无效 -->
+    <Teleport to="body">
+      <div
+        v-if="panelOpen"
+        ref="panelRef"
+        class="bell-panel"
+        :style="panelStyle"
+        role="dialog"
+        aria-label="通知列表"
+      >
       <div class="bell-panel-head">
         <span class="bell-panel-title">通知</span>
         <button
@@ -38,32 +47,81 @@
         </button>
       </div>
 
+      <div class="bell-search">
+        <input
+          v-model="keyword"
+          type="text"
+          class="bell-search-input"
+          placeholder="搜索标题或内容"
+          aria-label="搜索通知"
+          @input="onKeywordInput"
+        />
+        <div class="bell-search-days">
+          <input
+            v-model="startDate"
+            type="date"
+            class="bell-date-input"
+            aria-label="起始日期"
+            @change="reload"
+          />
+          <span class="bell-date-sep">至</span>
+          <input
+            v-model="endDate"
+            type="date"
+            class="bell-date-input"
+            aria-label="结束日期"
+            @change="reload"
+          />
+          <button v-if="hasFilter" type="button" class="bell-search-reset" @click="resetFilters">
+            重置
+          </button>
+        </div>
+      </div>
+
       <div v-if="loading && !items.length" class="bell-empty">正在加载...</div>
       <div v-else-if="loadError && !items.length" class="bell-empty bell-empty--error">{{ loadError }}</div>
-      <div v-else-if="!items.length" class="bell-empty">暂无通知</div>
+      <div v-else-if="!items.length" class="bell-empty">{{ hasFilter ? '没有符合条件的通知' : '暂无通知' }}</div>
       <ul v-else class="bell-list">
-        <li
-          v-for="item in items"
-          :key="item.id"
-          class="bell-item"
-          :class="[`bell-item--${item.level || 'warning'}`, { 'bell-item--unread': !item.read }]"
-          @click="onItemClick(item)"
-        >
-          <div class="bell-item-head">
-            <span class="bell-item-title">{{ item.title }}</span>
-            <span class="bell-item-time">{{ formatTime(item.createdAt) }}</span>
-          </div>
-          <div class="bell-item-content">{{ item.content }}</div>
-        </li>
+        <template v-for="group in groupedItems" :key="group.day || 'unknown'">
+          <li class="bell-day-head">{{ group.label }}</li>
+          <li
+            v-for="item in group.items"
+            :key="item.id"
+            class="bell-item"
+            :class="[`bell-item--${item.level || 'warning'}`, { 'bell-item--unread': !item.read }]"
+            @click="onItemClick(item)"
+          >
+            <div class="bell-item-head">
+              <span class="bell-item-title">{{ item.title }}</span>
+              <span class="bell-item-time">{{ formatTime(item.createdAt) }}</span>
+            </div>
+            <div class="bell-item-content">{{ item.content }}</div>
+          </li>
+        </template>
       </ul>
 
       <div class="bell-panel-foot">
-        <button v-if="hasMore" type="button" class="bell-more" :disabled="loading" @click="loadMore">
-          {{ loading ? '加载中...' : '加载更多' }}
+        <button
+          type="button"
+          class="bell-page-btn"
+          :disabled="page <= 1 || loading"
+          @click="goPage(page - 1)"
+        >
+          上一页
         </button>
-        <span v-else-if="items.length" class="bell-foot-note">已显示全部</span>
+        <span class="bell-page-info">{{ page }} / {{ totalPages }}</span>
+        <button
+          type="button"
+          class="bell-page-btn"
+          :disabled="page >= totalPages || loading"
+          @click="goPage(page + 1)"
+        >
+          下一页
+        </button>
+        <span class="bell-page-total">共 {{ total }} 条</span>
       </div>
-    </div>
+      </div>
+    </Teleport>
   </div>
 </template>
 
@@ -83,15 +141,18 @@ import {
   NOTIFICATION_POLL_INTERVAL_MS,
   formatNotificationTime,
   formatUnreadBadge,
+  groupNotificationsByDay,
   hasNewNotification,
   readLastNotifiedId,
   writeLastNotifiedId,
 } from '@/layout/notification-bell-model'
 
-const PAGE_SIZE = 20
+const PAGE_SIZE = 10
 
 const session = useAdminSessionStore()
 const rootRef = ref<HTMLElement | null>(null)
+const panelRef = ref<HTMLElement | null>(null)
+const panelStyle = ref<Record<string, string>>({})
 
 const unreadCount = ref(0)
 const items = ref<AdminNotificationItem[]>([])
@@ -101,16 +162,34 @@ const panelOpen = ref(false)
 const loading = ref(false)
 const markingAll = ref(false)
 const loadError = ref('')
+const keyword = ref('')
+const startDate = ref('')
+const endDate = ref('')
 
 const badgeText = computed(() => formatUnreadBadge(unreadCount.value))
-const hasMore = computed(() => items.value.length < total.value)
+const groupedItems = computed(() => groupNotificationsByDay(items.value))
+const totalPages = computed(() => Math.max(1, Math.ceil(total.value / PAGE_SIZE)))
+const hasFilter = computed(() => Boolean(keyword.value.trim() || startDate.value || endDate.value))
 
 let pollTimer: number | null = null
+let searchTimer: number | null = null
 
 function currentUid(): number | string {
   return session.user?.id ?? 0
 }
 
+/** 起止日期倒挂时自动交换，避免用户只看到「没有符合条件的通知」不知原因。 */
+function normalizedDayRange(): { startDate?: string; endDate?: string } {
+  let start = startDate.value
+  let end = endDate.value
+  if (start && end && start > end) {
+    const swapped = start
+    start = end
+    end = swapped
+  }
+  return { startDate: start || undefined, endDate: end || undefined }
+}
+
 /** 拉未读数：发现新通知提醒一次（localStorage 记录已提醒过的最大 id，避免重复弹）。 */
 async function refreshSummary() {
   try {
@@ -132,15 +211,21 @@ async function loadPage(targetPage: number) {
   if (loading.value) return
   loading.value = true
   try {
-    const result = await fetchNotificationList({ page: targetPage, pageSize: PAGE_SIZE })
+    const result = await fetchNotificationList({
+      page: targetPage,
+      pageSize: PAGE_SIZE,
+      keyword: keyword.value,
+      ...normalizedDayRange(),
+    })
     const list = Array.isArray(result?.items) ? result.items : []
-    items.value = targetPage <= 1 ? list : [...items.value, ...list]
-    total.value = Number(result?.total ?? items.value.length)
+    items.value = list
+    total.value = Number(result?.total ?? list.length)
     unreadCount.value = Number(result?.unreadCount ?? unreadCount.value)
     page.value = targetPage
     loadError.value = ''
-    if (targetPage <= 1) {
-      const latest = items.value.length ? Number(items.value[0].id) : 0
+    // 无筛选时首页就是最新数据，顺带记录「已提醒过的最大 id」；有筛选时最新 id 不代表真实最新
+    if (targetPage <= 1 && !hasFilter.value && list.length) {
+      const latest = Number(list[0].id)
       if (latest > 0) {
         writeLastNotifiedId(currentUid(), Math.max(readLastNotifiedId(currentUid()), latest))
       }
@@ -154,14 +239,50 @@ async function loadPage(targetPage: number) {
   }
 }
 
-function loadMore() {
-  if (!hasMore.value) return
-  void loadPage(page.value + 1)
+function goPage(targetPage: number) {
+  const safe = Math.min(Math.max(1, targetPage), totalPages.value)
+  if (safe === page.value || loading.value) return
+  void loadPage(safe)
+}
+
+/** 搜索/日期变化后回到第一页重新查询。 */
+function reload() {
+  void loadPage(1)
+}
+
+/** 关键字输入防抖 300ms，避免每敲一个字都打一次接口。 */
+function onKeywordInput() {
+  if (searchTimer != null) {
+    window.clearTimeout(searchTimer)
+  }
+  searchTimer = window.setTimeout(() => {
+    searchTimer = null
+    void loadPage(1)
+  }, 300)
+}
+
+function resetFilters() {
+  keyword.value = ''
+  startDate.value = ''
+  endDate.value = ''
+  void loadPage(1)
+}
+
+/** 面板挂到 body 后用 fixed 定位，位置按触发器实时算（右对齐在铃铛下方）。 */
+function syncPanelPosition() {
+  const trigger = rootRef.value
+  if (!trigger) return
+  const rect = trigger.getBoundingClientRect()
+  panelStyle.value = {
+    top: `${Math.round(rect.bottom + 10)}px`,
+    right: `${Math.max(8, Math.round(window.innerWidth - rect.right))}px`,
+  }
 }
 
 function togglePanel() {
   panelOpen.value = !panelOpen.value
   if (panelOpen.value) {
+    syncPanelPosition()
     void loadPage(1)
   }
 }
@@ -198,12 +319,19 @@ function formatTime(value: string | null) {
   return formatNotificationTime(value)
 }
 
-/** 点击组件外部关闭面板。 */
+/** 点击组件外部关闭面板（面板已 Teleport 到 body，需连同面板自身一起判断）。 */
 function onDocumentMouseDown(event: MouseEvent) {
   if (!panelOpen.value) return
-  const root = rootRef.value
-  if (root && event.target instanceof Node && !root.contains(event.target)) {
-    panelOpen.value = false
+  const target = event.target
+  if (!(target instanceof Node)) return
+  if (rootRef.value?.contains(target) || panelRef.value?.contains(target)) return
+  panelOpen.value = false
+}
+
+/** 窗口尺寸变化时重新对齐面板。 */
+function onWindowResize() {
+  if (panelOpen.value) {
+    syncPanelPosition()
   }
 }
 
@@ -217,6 +345,7 @@ function onVisibilityChange() {
 onMounted(() => {
   document.addEventListener('mousedown', onDocumentMouseDown)
   document.addEventListener('visibilitychange', onVisibilityChange)
+  window.addEventListener('resize', onWindowResize)
   void refreshSummary()
   pollTimer = window.setInterval(() => {
     if (typeof document !== 'undefined' && document.visibilityState !== 'visible') {
@@ -229,10 +358,15 @@ onMounted(() => {
 onUnmounted(() => {
   document.removeEventListener('mousedown', onDocumentMouseDown)
   document.removeEventListener('visibilitychange', onVisibilityChange)
+  window.removeEventListener('resize', onWindowResize)
   if (pollTimer != null) {
     window.clearInterval(pollTimer)
     pollTimer = null
   }
+  if (searchTimer != null) {
+    window.clearTimeout(searchTimer)
+    searchTimer = null
+  }
 })
 </script>
 
@@ -290,13 +424,11 @@ onUnmounted(() => {
 }
 
 .bell-panel {
-  position: absolute;
-  top: calc(100% + 10px);
-  right: 0;
+  position: fixed;
   z-index: 3200;
   width: 380px;
   max-width: calc(100vw - 32px);
-  max-height: 460px;
+  max-height: 520px;
   display: flex;
   flex-direction: column;
   border: 1px solid var(--admin-border, #d8e3ee);
@@ -422,29 +554,113 @@ onUnmounted(() => {
   word-break: break-all;
 }
 
-.bell-panel-foot {
-  border-top: 1px solid #edf1f5;
-  text-align: center;
+.bell-search {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  padding: 10px 12px;
+  border-bottom: 1px solid #edf1f5;
+  background: #fafcfe;
 }
 
-.bell-more {
+.bell-search-input,
+.bell-date-input {
+  height: 28px;
+  padding: 0 8px;
+  box-sizing: border-box;
+  border: 1px solid #d8e3ee;
+  border-radius: 6px;
+  background: #ffffff;
+  color: var(--admin-text, #24384d);
+  font-size: 12px;
+  outline: none;
+}
+
+.bell-search-input {
   width: 100%;
-  padding: 9px 0;
-  border: none;
-  background: transparent;
+}
+
+.bell-search-input:focus,
+.bell-date-input:focus {
+  border-color: var(--admin-primary-strong, #2f5d8b);
+}
+
+.bell-search-days {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.bell-date-input {
+  flex: 1;
+  min-width: 0;
+}
+
+.bell-date-sep {
+  color: #8a99a8;
+  font-size: 12px;
+}
+
+.bell-search-reset {
+  flex-shrink: 0;
+  padding: 0 8px;
+  height: 28px;
+  border: 1px solid #d8e3ee;
+  border-radius: 6px;
+  background: #ffffff;
   color: var(--admin-primary-strong, #2f5d8b);
   font-size: 12px;
   cursor: pointer;
 }
 
-.bell-more:disabled {
-  opacity: 0.55;
+.bell-search-reset:hover {
+  background: #edf5fb;
+}
+
+.bell-day-head {
+  padding: 6px 14px;
+  background: #f4f7fa;
+  color: #7c8b9a;
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: 0.02em;
+}
+
+.bell-panel-foot {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  padding: 7px 12px;
+  border-top: 1px solid #edf1f5;
+}
+
+.bell-page-btn {
+  padding: 3px 10px;
+  border: 1px solid #d8e3ee;
+  border-radius: 6px;
+  background: #ffffff;
+  color: var(--admin-primary-strong, #2f5d8b);
+  font-size: 12px;
+  cursor: pointer;
+}
+
+.bell-page-btn:hover:not(:disabled) {
+  background: #edf5fb;
+}
+
+.bell-page-btn:disabled {
+  opacity: 0.5;
   cursor: not-allowed;
 }
 
-.bell-foot-note {
-  display: block;
-  padding: 8px 0;
+.bell-page-info {
+  color: var(--admin-text, #24384d);
+  font-size: 12px;
+  font-weight: 600;
+}
+
+.bell-page-total {
   color: #9aa6b3;
   font-size: 11px;
 }
diff --git a/admin-frontend-vue/src/layout/notification-bell-model.ts b/admin-frontend-vue/src/layout/notification-bell-model.ts
index c5dc222d..5981fea1 100644
--- a/admin-frontend-vue/src/layout/notification-bell-model.ts
+++ b/admin-frontend-vue/src/layout/notification-bell-model.ts
@@ -56,6 +56,64 @@ export function writeLastNotifiedId(uid: string | number | null | undefined, id:
   }
 }
 
+/** 通知所属日期键（本地时区 yyyy-MM-dd）；时间缺失/非法返回空串。 */
+export function notificationDayKey(value: string | null | undefined): string {
+  if (!value) {
+    return ''
+  }
+  const date = new Date(value)
+  if (Number.isNaN(date.getTime())) {
+    return ''
+  }
+  const pad = (input: number) => String(input).padStart(2, '0')
+  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`
+}
+
+/** 日期组头文案：今天 / 昨天 / 2026年9月11日；空键兜底「未知时间」。 */
+export function formatDayLabel(day: string, now: Date = new Date()): string {
+  if (!day) {
+    return '未知时间'
+  }
+  if (day === notificationDayKey(now.toISOString())) {
+    return '今天'
+  }
+  const yesterday = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 1)
+  if (day === notificationDayKey(yesterday.toISOString())) {
+    return '昨天'
+  }
+  const [year, month, date] = day.split('-').map((part) => Number(part))
+  if (!Number.isFinite(year) || !Number.isFinite(month) || !Number.isFinite(date)) {
+    return day
+  }
+  return `${year}年${month}月${date}日`
+}
+
+export interface NotificationDayGroup<T> {
+  day: string
+  label: string
+  items: T[]
+}
+
+/** 按年月日分组（组内保持入参顺序，列表本身已按 id 倒序）。 */
+export function groupNotificationsByDay<T extends { createdAt: string | null }>(
+  items: T[],
+  now: Date = new Date(),
+): NotificationDayGroup<T>[] {
+  const groups: NotificationDayGroup<T>[] = []
+  const indexByDay = new Map<string, NotificationDayGroup<T>>()
+  for (const item of items ?? []) {
+    const day = notificationDayKey(item.createdAt)
+    let group = indexByDay.get(day)
+    if (!group) {
+      group = { day, label: formatDayLabel(day, now), items: [] }
+      indexByDay.set(day, group)
+      groups.push(group)
+    }
+    group.items.push(item)
+  }
+  return groups
+}
+
 /** 通知时间展示：今天只显示 HH:mm；昨天显示「昨天 HH:mm」；更早显示 MM-DD HH:mm。 */
 export function formatNotificationTime(
   value: string | null | undefined,
diff --git a/admin-frontend-vue/tests/notification-bell.test.ts b/admin-frontend-vue/tests/notification-bell.test.ts
index 073ddb28..af04a8ec 100644
--- a/admin-frontend-vue/tests/notification-bell.test.ts
+++ b/admin-frontend-vue/tests/notification-bell.test.ts
@@ -3,6 +3,7 @@ import assert from 'node:assert/strict'
 import {
   formatNotificationTime,
   formatUnreadBadge,
+  groupNotificationsByDay,
   hasNewNotification,
   readLastNotifiedId,
   writeLastNotifiedId,
@@ -80,3 +81,49 @@ test('test_时间展示：今天/昨天/更早', () => {
   assert.equal(formatNotificationTime(null, now), '')
   assert.equal(formatNotificationTime('not-a-date', now), '')
 })
+
+test('test_按年月日分组：今天/昨天/更早，组内保持原顺序', () => {
+  const now = new Date(2026, 8, 13, 15, 30)
+  const items = [
+    { id: 4, createdAt: new Date(2026, 8, 13, 15, 0).toISOString() },
+    { id: 3, createdAt: new Date(2026, 8, 13, 9, 0).toISOString() },
+    { id: 2, createdAt: new Date(2026, 8, 12, 23, 0).toISOString() },
+    { id: 1, createdAt: new Date(2026, 8, 1, 8, 0).toISOString() },
+  ]
+
+  const groups = groupNotificationsByDay(items, now)
+
+  assert.equal(groups.length, 3)
+  assert.deepEqual(
+    groups.map((group) => [group.day, group.label]),
+    [
+      ['2026-09-13', '今天'],
+      ['2026-09-12', '昨天'],
+      ['2026-09-01', '2026年9月1日'],
+    ],
+  )
+  assert.deepEqual(
+    groups[0].items.map((item) => item.id),
+    [4, 3],
+    '同一天的多条合为一组且保持倒序',
+  )
+})
+
+test('test_按年月日分组：时间缺失/非法归入未知时间组', () => {
+  const now = new Date(2026, 8, 13, 15, 30)
+  const groups = groupNotificationsByDay(
+    [
+      { id: 2, createdAt: null },
+      { id: 1, createdAt: 'not-a-date' },
+    ],
+    now,
+  )
+
+  assert.equal(groups.length, 1)
+  assert.equal(groups[0].day, '')
+  assert.equal(groups[0].label, '未知时间')
+  assert.deepEqual(
+    groups[0].items.map((item) => item.id),
+    [2, 1],
+  )
+})
diff --git a/backend-java/src/main/java/com/nanri/aiimage/modules/notification/controller/AdminNotificationController.java b/backend-java/src/main/java/com/nanri/aiimage/modules/notification/controller/AdminNotificationController.java
index b17cdbec..edbf8c80 100644
--- a/backend-java/src/main/java/com/nanri/aiimage/modules/notification/controller/AdminNotificationController.java
+++ b/backend-java/src/main/java/com/nanri/aiimage/modules/notification/controller/AdminNotificationController.java
@@ -2,6 +2,7 @@ package com.nanri.aiimage.modules.notification.controller;
 
 import com.nanri.aiimage.common.api.ApiResponse;
 import com.nanri.aiimage.modules.admin.support.AdminAuthSupport;
+import com.nanri.aiimage.modules.notification.model.dto.NotificationPageQuery;
 import com.nanri.aiimage.modules.notification.model.vo.NotificationPageVo;
 import com.nanri.aiimage.modules.notification.model.vo.NotificationSummaryVo;
 import com.nanri.aiimage.modules.notification.service.NotificationService;
@@ -11,6 +12,7 @@ import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
+import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -18,6 +20,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.time.LocalDate;
+
 /**
  * 后台站内通知（铃铛）：超管与管理员共用，按登录管理员维度读写 audience=admin 的通知；
  * 可见范围（全量 or 分组内成员）在通知生成时已按数据权限过滤。
@@ -39,15 +43,21 @@ public class AdminNotificationController {
     }
 
     @GetMapping
-    @Operation(summary = "通知分页列表")
+    @Operation(summary = "通知分页列表",
+            description = "onlyUnread=true 时只返回未读；keyword 模糊匹配标题/内容；startDate/endDate 为年月日闭区间。")
     public ApiResponse<NotificationPageVo> page(
             HttpServletRequest request,
             @Parameter(description = "页码") @RequestParam(defaultValue = "1") Long page,
             @Parameter(description = "每页数量") @RequestParam(defaultValue = "20") Long pageSize,
-            @Parameter(description = "只看未读") @RequestParam(required = false, defaultValue = "false") Boolean onlyUnread) {
+            @Parameter(description = "只看未读") @RequestParam(required = false, defaultValue = "false") Boolean onlyUnread,
+            @Parameter(description = "关键字（标题/内容）") @RequestParam(required = false) String keyword,
+            @Parameter(description = "起始日期（yyyy-MM-dd，含）")
+            @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate startDate,
+            @Parameter(description = "结束日期（yyyy-MM-dd，含）")
+            @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate endDate) {
         Long userId = currentAdminId(request);
-        return ApiResponse.success(notificationService.page(
-                userId, NotificationService.AUDIENCE_ADMIN, page, pageSize, Boolean.TRUE.equals(onlyUnread)));
+        return ApiResponse.success(notificationService.page(userId, NotificationService.AUDIENCE_ADMIN,
+                NotificationPageQuery.of(page, pageSize, onlyUnread, keyword, startDate, endDate)));
     }
 
     @PostMapping("/{id}/read")
diff --git a/backend-java/src/main/java/com/nanri/aiimage/modules/notification/controller/NotificationController.java b/backend-java/src/main/java/com/nanri/aiimage/modules/notification/controller/NotificationController.java
index c94be8dc..d2175af4 100644
--- a/backend-java/src/main/java/com/nanri/aiimage/modules/notification/controller/NotificationController.java
+++ b/backend-java/src/main/java/com/nanri/aiimage/modules/notification/controller/NotificationController.java
@@ -2,6 +2,7 @@ package com.nanri.aiimage.modules.notification.controller;
 
 import com.nanri.aiimage.common.api.ApiResponse;
 import com.nanri.aiimage.modules.admin.support.AdminAuthSupport;
+import com.nanri.aiimage.modules.notification.model.dto.NotificationPageQuery;
 import com.nanri.aiimage.modules.notification.model.vo.NotificationPageVo;
 import com.nanri.aiimage.modules.notification.model.vo.NotificationSummaryVo;
 import com.nanri.aiimage.modules.notification.service.NotificationService;
@@ -11,6 +12,7 @@ import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
+import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -18,6 +20,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.time.LocalDate;
+
 /**
  * 桌面端站内通知（铃铛）：当前登录用户维度，用户身份一律从 JWT 解析；
  * 只读写 audience=user 的通知，不感知后台管理员通知。
@@ -39,15 +43,21 @@ public class NotificationController {
     }
 
     @GetMapping
-    @Operation(summary = "通知分页列表", description = "onlyUnread=true 时只返回未读；附带未读总数。")
+    @Operation(summary = "通知分页列表",
+            description = "onlyUnread=true 时只返回未读；keyword 模糊匹配标题/内容；startDate/endDate 为年月日闭区间。")
     public ApiResponse<NotificationPageVo> page(
             HttpServletRequest request,
             @Parameter(description = "页码") @RequestParam(defaultValue = "1") Long page,
             @Parameter(description = "每页数量") @RequestParam(defaultValue = "20") Long pageSize,
-            @Parameter(description = "只看未读") @RequestParam(required = false, defaultValue = "false") Boolean onlyUnread) {
+            @Parameter(description = "只看未读") @RequestParam(required = false, defaultValue = "false") Boolean onlyUnread,
+            @Parameter(description = "关键字（标题/内容）") @RequestParam(required = false) String keyword,
+            @Parameter(description = "起始日期（yyyy-MM-dd，含）")
+            @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate startDate,
+            @Parameter(description = "结束日期（yyyy-MM-dd，含）")
+            @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate endDate) {
         Long userId = currentUserId(request);
-        return ApiResponse.success(notificationService.page(
-                userId, NotificationService.AUDIENCE_USER, page, pageSize, Boolean.TRUE.equals(onlyUnread)));
+        return ApiResponse.success(notificationService.page(userId, NotificationService.AUDIENCE_USER,
+                NotificationPageQuery.of(page, pageSize, onlyUnread, keyword, startDate, endDate)));
     }
 
     @PostMapping("/{id}/read")
diff --git a/backend-java/src/main/java/com/nanri/aiimage/modules/notification/model/dto/NotificationPageQuery.java b/backend-java/src/main/java/com/nanri/aiimage/modules/notification/model/dto/NotificationPageQuery.java
new file mode 100644
index 00000000..b850d4ce
--- /dev/null
+++ b/backend-java/src/main/java/com/nanri/aiimage/modules/notification/model/dto/NotificationPageQuery.java
@@ -0,0 +1,32 @@
+package com.nanri.aiimage.modules.notification.model.dto;
+
+import lombok.Data;
+
+import java.time.LocalDate;
+
+/**
+ * 通知列表查询条件：分页 + 未读过滤 + 关键字（标题/内容模糊）+ 创建日期区间（年月日闭区间）。
+ * 铃铛面板的「按天搜索」与「内容搜索」都走这里，空值表示不限制。
+ */
+@Data
+public class NotificationPageQuery {
+
+    private Long page;
+    private Long pageSize;
+    private Boolean onlyUnread;
+    private String keyword;
+    private LocalDate startDate;
+    private LocalDate endDate;
+
+    public static NotificationPageQuery of(Long page, Long pageSize, Boolean onlyUnread,
+                                           String keyword, LocalDate startDate, LocalDate endDate) {
+        NotificationPageQuery query = new NotificationPageQuery();
+        query.setPage(page);
+        query.setPageSize(pageSize);
+        query.setOnlyUnread(onlyUnread);
+        query.setKeyword(keyword);
+        query.setStartDate(startDate);
+        query.setEndDate(endDate);
+        return query;
+    }
+}
diff --git a/backend-java/src/main/java/com/nanri/aiimage/modules/notification/service/NotificationService.java b/backend-java/src/main/java/com/nanri/aiimage/modules/notification/service/NotificationService.java
index 28a4099a..5b62f46a 100644
--- a/backend-java/src/main/java/com/nanri/aiimage/modules/notification/service/NotificationService.java
+++ b/backend-java/src/main/java/com/nanri/aiimage/modules/notification/service/NotificationService.java
@@ -3,6 +3,7 @@ package com.nanri.aiimage.modules.notification.service;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.nanri.aiimage.modules.notification.mapper.UserNotificationMapper;
+import com.nanri.aiimage.modules.notification.model.dto.NotificationPageQuery;
 import com.nanri.aiimage.modules.notification.model.entity.UserNotificationEntity;
 import com.nanri.aiimage.modules.notification.model.vo.NotificationItemVo;
 import com.nanri.aiimage.modules.notification.model.vo.NotificationPageVo;
@@ -113,16 +114,20 @@ public class NotificationService {
         return true;
     }
 
-    /** 分页查询（id 倒序）；onlyUnread=true 时只返回未读。 */    public NotificationPageVo page(Long userId, String audience, long page, long pageSize, boolean onlyUnread) {
-        long safePage = page < 1 ? 1L : page;
-        long safeSize = pageSize < 1 ? 20L : Math.min(pageSize, MAX_PAGE_SIZE);
-        LambdaQueryWrapper<UserNotificationEntity> countWrapper = baseWrapper(userId, audience, onlyUnread);
+    /** 分页查询（id 倒序）；onlyUnread=true 时只返回未读，keyword/日期区间为空表示不限制。 */
+    public NotificationPageVo page(Long userId, String audience, NotificationPageQuery query) {
+        NotificationPageQuery safe = query == null ? new NotificationPageQuery() : query;
+        long safePage = safe.getPage() == null || safe.getPage() < 1 ? 1L : safe.getPage();
+        long safeSize = safe.getPageSize() == null || safe.getPageSize() < 1
+                ? 20L : Math.min(safe.getPageSize(), MAX_PAGE_SIZE);
+        boolean onlyUnread = Boolean.TRUE.equals(safe.getOnlyUnread());
+        LambdaQueryWrapper<UserNotificationEntity> countWrapper = baseWrapper(userId, audience, onlyUnread, safe);
         Long totalValue = userNotificationMapper.selectCount(countWrapper);
         long total = totalValue == null ? 0L : totalValue;
 
         long offset = Math.max(0L, (safePage - 1) * safeSize);
         List<UserNotificationEntity> rows = total == 0 ? List.of()
-                : userNotificationMapper.selectList(baseWrapper(userId, audience, onlyUnread)
+                : userNotificationMapper.selectList(baseWrapper(userId, audience, onlyUnread, safe)
                         .orderByDesc(UserNotificationEntity::getId)
                         .last("limit " + offset + "," + safeSize));
 
@@ -136,6 +141,9 @@ public class NotificationService {
         vo.setPage(safePage);
         vo.setPageSize(safeSize);
         vo.setUnreadCount(unreadCount(userId, audience));
+        log.info("[notification] 列表查询 userId={} audience={} page={} size={} onlyUnread={} keyword={} 起={} 止={} 命中={}",
+                userId, audience, safePage, safeSize, onlyUnread, normalize(safe.getKeyword()),
+                safe.getStartDate(), safe.getEndDate(), total);
         return vo;
     }
 
@@ -207,16 +215,36 @@ public class NotificationService {
         return deleted;
     }
 
-    private LambdaQueryWrapper<UserNotificationEntity> baseWrapper(Long userId, String audience, boolean onlyUnread) {
+    private LambdaQueryWrapper<UserNotificationEntity> baseWrapper(Long userId, String audience, boolean onlyUnread,
+                                                                  NotificationPageQuery query) {
         LambdaQueryWrapper<UserNotificationEntity> wrapper = new LambdaQueryWrapper<UserNotificationEntity>()
                 .eq(UserNotificationEntity::getUserId, userId)
                 .eq(UserNotificationEntity::getAudience, audience);
         if (onlyUnread) {
             wrapper.isNull(UserNotificationEntity::getReadAt);
         }
+        applyFilters(wrapper, query);
         return wrapper;
     }
 
+    /**
+     * 列表筛选：关键字模糊匹配标题/内容；日期按「年月日」闭区间
+     * （起日 00:00 起含、止日次日 00:00 前不含，避免当天 23:59 漏行）。
+     */
+    private void applyFilters(LambdaQueryWrapper<UserNotificationEntity> wrapper, NotificationPageQuery query) {
+        String keyword = normalize(query.getKeyword());
+        if (!keyword.isEmpty()) {
+            wrapper.and(nested -> nested.like(UserNotificationEntity::getTitle, keyword)
+                    .or().like(UserNotificationEntity::getContent, keyword));
+        }
+        if (query.getStartDate() != null) {
+            wrapper.ge(UserNotificationEntity::getCreatedAt, query.getStartDate().atStartOfDay());
+        }
+        if (query.getEndDate() != null) {
+            wrapper.lt(UserNotificationEntity::getCreatedAt, query.getEndDate().plusDays(1).atStartOfDay());
+        }
+    }
+
     private boolean existsByDedupeKey(String dedupeKey) {
         return selectByDedupeKey(dedupeKey) != null;
     }
diff --git a/backend-java/src/test/java/com/nanri/aiimage/modules/notification/controller/AdminNotificationControllerTest.java b/backend-java/src/test/java/com/nanri/aiimage/modules/notification/controller/AdminNotificationControllerTest.java
new file mode 100644
index 00000000..d6788dac
--- /dev/null
+++ b/backend-java/src/test/java/com/nanri/aiimage/modules/notification/controller/AdminNotificationControllerTest.java
@@ -0,0 +1,69 @@
+package com.nanri.aiimage.modules.notification.controller;
+
+import com.nanri.aiimage.modules.admin.support.AdminAuthSupport;
+import com.nanri.aiimage.modules.notification.model.dto.NotificationPageQuery;
+import com.nanri.aiimage.modules.notification.service.NotificationService;
+import com.nanri.aiimage.modules.permission.model.entity.AdminUserEntity;
+import jakarta.servlet.http.HttpServletRequest;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+
+import java.time.LocalDate;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * 后台通知可见范围回归：登录管理员只能按自己的 uid 读写 audience=admin 的通知副本。
+ * 「超管看全部、管理员只看本组」在生成时按数据权限裁剪（见 NotificationDispatchService），
+ * 这里守住另一半：任何管理员都不可能通过接口读到别人的副本或桌面端（audience=user）的通知。
+ */
+class AdminNotificationControllerTest {
+
+    private final NotificationService notificationService = mock(NotificationService.class);
+    private final AdminAuthSupport adminAuthSupport = mock(AdminAuthSupport.class);
+    private final HttpServletRequest request = mock(HttpServletRequest.class);
+    private final AdminNotificationController controller =
+            new AdminNotificationController(notificationService, adminAuthSupport);
+
+    @Test
+    void listAndSummaryUseOperatorIdAndAdminAudience() {
+        when(adminAuthSupport.requireAdmin(request)).thenReturn(admin(24L));
+
+        controller.summary(request);
+        controller.page(request, 1L, 20L, false, "余额", LocalDate.of(2026, 9, 10), LocalDate.of(2026, 9, 13));
+
+        verify(notificationService).summary(24L, NotificationService.AUDIENCE_ADMIN);
+        ArgumentCaptor<NotificationPageQuery> queryCaptor = ArgumentCaptor.forClass(NotificationPageQuery.class);
+        verify(notificationService).page(eq(24L), eq(NotificationService.AUDIENCE_ADMIN), queryCaptor.capture());
+        NotificationPageQuery query = queryCaptor.getValue();
+        assertThat(query.getPage()).isEqualTo(1L);
+        assertThat(query.getPageSize()).isEqualTo(20L);
+        assertThat(query.getOnlyUnread()).isFalse();
+        assertThat(query.getKeyword()).isEqualTo("余额");
+        assertThat(query.getStartDate()).isEqualTo(LocalDate.of(2026, 9, 10));
+        assertThat(query.getEndDate()).isEqualTo(LocalDate.of(2026, 9, 13));
+    }
+
+    @Test
+    void readMarkingStaysWithinOwnAdminAudienceRows() {
+        when(adminAuthSupport.requireAdmin(request)).thenReturn(admin(1L));
+
+        controller.markRead(request, 18L);
+        controller.markAllRead(request);
+
+        verify(notificationService).markRead(1L, NotificationService.AUDIENCE_ADMIN, 18L);
+        verify(notificationService).markAllRead(1L, NotificationService.AUDIENCE_ADMIN);
+    }
+
+    private AdminUserEntity admin(Long id) {
+        AdminUserEntity entity = new AdminUserEntity();
+        entity.setId(id);
+        entity.setUsername("管理员" + id);
+        entity.setIsAdmin(1);
+        return entity;
+    }
+}
diff --git a/backend-java/src/test/java/com/nanri/aiimage/modules/notification/controller/NotificationControllerTest.java b/backend-java/src/test/java/com/nanri/aiimage/modules/notification/controller/NotificationControllerTest.java
new file mode 100644
index 00000000..6c09f210
--- /dev/null
+++ b/backend-java/src/test/java/com/nanri/aiimage/modules/notification/controller/NotificationControllerTest.java
@@ -0,0 +1,67 @@
+package com.nanri.aiimage.modules.notification.controller;
+
+import com.nanri.aiimage.modules.admin.support.AdminAuthSupport;
+import com.nanri.aiimage.modules.notification.model.dto.NotificationPageQuery;
+import com.nanri.aiimage.modules.notification.service.NotificationService;
+import com.nanri.aiimage.modules.permission.model.entity.AdminUserEntity;
+import jakarta.servlet.http.HttpServletRequest;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+
+import java.time.LocalDate;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * 桌面端通知可见范围回归：接收者只能来自 JWT 解析出的本人，
+ * 且一律按 audience=user 读写 —— 普通用户只能看到自己的通知，读不到后台管理员通知。
+ */
+class NotificationControllerTest {
+
+    private final NotificationService notificationService = mock(NotificationService.class);
+    private final AdminAuthSupport adminAuthSupport = mock(AdminAuthSupport.class);
+    private final HttpServletRequest request = mock(HttpServletRequest.class);
+    private final NotificationController controller =
+            new NotificationController(notificationService, adminAuthSupport);
+
+    @Test
+    void listAndSummaryUseJwtUserAndUserAudience() {
+        when(adminAuthSupport.requireUser(request)).thenReturn(user(1095L));
+
+        controller.summary(request);
+        controller.page(request, 2L, 20L, true, "欠费", LocalDate.of(2026, 9, 1), LocalDate.of(2026, 9, 13));
+
+        verify(notificationService).summary(1095L, NotificationService.AUDIENCE_USER);
+        ArgumentCaptor<NotificationPageQuery> queryCaptor = ArgumentCaptor.forClass(NotificationPageQuery.class);
+        verify(notificationService).page(eq(1095L), eq(NotificationService.AUDIENCE_USER), queryCaptor.capture());
+        NotificationPageQuery query = queryCaptor.getValue();
+        assertThat(query.getPage()).isEqualTo(2L);
+        assertThat(query.getPageSize()).isEqualTo(20L);
+        assertThat(query.getOnlyUnread()).isTrue();
+        assertThat(query.getKeyword()).isEqualTo("欠费");
+        assertThat(query.getStartDate()).isEqualTo(LocalDate.of(2026, 9, 1));
+        assertThat(query.getEndDate()).isEqualTo(LocalDate.of(2026, 9, 13));
+    }
+
+    @Test
+    void readMarkingStaysWithinOwnUserAudienceRows() {
+        when(adminAuthSupport.requireUser(request)).thenReturn(user(1095L));
+
+        controller.markRead(request, 42L);
+        controller.markAllRead(request);
+
+        verify(notificationService).markRead(1095L, NotificationService.AUDIENCE_USER, 42L);
+        verify(notificationService).markAllRead(1095L, NotificationService.AUDIENCE_USER);
+    }
+
+    private AdminUserEntity user(Long id) {
+        AdminUserEntity entity = new AdminUserEntity();
+        entity.setId(id);
+        entity.setUsername("用户" + id);
+        return entity;
+    }
+}
diff --git a/backend-java/src/test/java/com/nanri/aiimage/modules/notification/service/NotificationDispatchServiceTest.java b/backend-java/src/test/java/com/nanri/aiimage/modules/notification/service/NotificationDispatchServiceTest.java
index f2a65eff..35d04d81 100644
--- a/backend-java/src/test/java/com/nanri/aiimage/modules/notification/service/NotificationDispatchServiceTest.java
+++ b/backend-java/src/test/java/com/nanri/aiimage/modules/notification/service/NotificationDispatchServiceTest.java
@@ -14,6 +14,8 @@ import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 class NotificationDispatchServiceTest {
@@ -71,6 +73,58 @@ class NotificationDispatchServiceTest {
                 eq("标题"), eq("内容"), eq("task_failed_admin:20:PRICE_TRACK:2026091310:1"));
     }
 
+    @Test
+    void pushToAdminsDeliversSuperAndInScopeAdminsWithOwnDedupeKey() {
+        AdminUserEntity superAdmin = admin(1L, "超管甲");
+        AdminUserEntity inScope = admin(2L, "主管乙");
+        AdminUserEntity outOfScope = admin(3L, "主管丙");
+        when(adminUserMapper.selectList(any())).thenReturn(List.of(superAdmin, inScope, outOfScope));
+        when(adminAuthSupport.currentRole(superAdmin)).thenReturn("super_admin");
+        when(adminAuthSupport.currentRole(inScope)).thenReturn("admin");
+        when(adminAuthSupport.currentRole(outOfScope)).thenReturn("admin");
+        when(userDataScopeSupport.resolveVisibleUserIds(2L)).thenReturn(List.of(2L, 20L));
+        when(userDataScopeSupport.resolveVisibleUserIds(3L)).thenReturn(List.of(3L, 30L));
+        when(notificationService.pushOrRefresh(anyLong(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString()))
+                .thenReturn(true);
+
+        int pushed = service.pushToAdmins(NotificationService.SCENE_TASK_FAILED,
+                NotificationService.LEVEL_WARNING, "标题", "内容",
+                "task_failed_admin:20:PRICE_TRACK:2026091310", 20L);
+
+        // 超管全量 + 本组主管各落一条，各带自己的 dedupe 后缀（已读状态互不影响）
+        assertThat(pushed).isEqualTo(2);
+        verify(notificationService).pushOrRefresh(eq(1L), eq(NotificationService.AUDIENCE_ADMIN),
+                eq(NotificationService.SCENE_TASK_FAILED), eq(NotificationService.LEVEL_WARNING),
+                eq("标题"), eq("内容"), eq("task_failed_admin:20:PRICE_TRACK:2026091310:1"));
+        verify(notificationService).pushOrRefresh(eq(2L), eq(NotificationService.AUDIENCE_ADMIN),
+                eq(NotificationService.SCENE_TASK_FAILED), eq(NotificationService.LEVEL_WARNING),
+                eq("标题"), eq("内容"), eq("task_failed_admin:20:PRICE_TRACK:2026091310:2"));
+        // 非本组主管一条都不落
+        verify(notificationService, never()).pushOrRefresh(eq(3L), anyString(), anyString(),
+                anyString(), anyString(), anyString(), anyString());
+    }
+
+    @Test
+    void globalEventReachesEveryAdminByDesign() {
+        AdminUserEntity superAdmin = admin(1L, "超管甲");
+        AdminUserEntity adminA = admin(2L, "主管乙");
+        AdminUserEntity adminB = admin(3L, "主管丙");
+        when(adminUserMapper.selectList(any())).thenReturn(List.of(superAdmin, adminA, adminB));
+        when(adminAuthSupport.currentRole(superAdmin)).thenReturn("super_admin");
+        when(adminAuthSupport.currentRole(adminA)).thenReturn("admin");
+        when(adminAuthSupport.currentRole(adminB)).thenReturn("admin");
+        when(userDataScopeSupport.resolveVisibleUserIds(anyLong())).thenReturn(List.of());
+        when(notificationService.pushOrRefresh(anyLong(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString()))
+                .thenReturn(true);
+
+        // 服务探测失败这类全局事件（subjectUserId=null）按设计推给所有管理员，不受分组限制
+        int pushed = service.pushToAdmins(NotificationService.SCENE_SERVICE_DOWN,
+                NotificationService.LEVEL_ERROR, "品牌检测服务不可用", "探测失败",
+                "service_down:brand-service:2026091310", null);
+
+        assertThat(pushed).isEqualTo(3);
+    }
+
     @Test
     void pushToUserUsesUserAudience() {
         when(notificationService.pushOrRefresh(anyLong(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString()))
diff --git a/backend-java/src/test/java/com/nanri/aiimage/modules/notification/service/NotificationServiceTest.java b/backend-java/src/test/java/com/nanri/aiimage/modules/notification/service/NotificationServiceTest.java
index 30a6b8d1..aff98175 100644
--- a/backend-java/src/test/java/com/nanri/aiimage/modules/notification/service/NotificationServiceTest.java
+++ b/backend-java/src/test/java/com/nanri/aiimage/modules/notification/service/NotificationServiceTest.java
@@ -1,8 +1,11 @@
 package com.nanri.aiimage.modules.notification.service;
 
 import com.baomidou.mybatisplus.core.MybatisConfiguration;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
 import com.nanri.aiimage.modules.notification.mapper.UserNotificationMapper;
+import com.nanri.aiimage.modules.notification.model.dto.NotificationPageQuery;
 import com.nanri.aiimage.modules.notification.model.entity.UserNotificationEntity;
 import com.nanri.aiimage.modules.notification.model.vo.NotificationPageVo;
 import com.nanri.aiimage.modules.notification.model.vo.NotificationSummaryVo;
@@ -11,6 +14,7 @@ import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.mockito.ArgumentCaptor;
 
+import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.List;
 
@@ -128,7 +132,8 @@ class NotificationServiceTest {
         when(mapper.selectCount(any())).thenReturn(2L, 1L);
         when(mapper.selectList(any())).thenReturn(List.of(first, second));
 
-        NotificationPageVo page = service.page(7L, NotificationService.AUDIENCE_USER, 1, 20, false);
+        NotificationPageVo page = service.page(7L, NotificationService.AUDIENCE_USER,
+                NotificationPageQuery.of(1L, 20L, false, null, null, null));
 
         assertThat(page.getItems()).hasSize(2);
         assertThat(page.getItems().get(0).getRead()).isTrue();
@@ -143,7 +148,8 @@ class NotificationServiceTest {
     void pageClampsPageSizeAndSkipsQueryWhenEmpty() {
         when(mapper.selectCount(any())).thenReturn(0L, 0L);
 
-        NotificationPageVo page = service.page(7L, NotificationService.AUDIENCE_ADMIN, 0, 500, true);
+        NotificationPageVo page = service.page(7L, NotificationService.AUDIENCE_ADMIN,
+                NotificationPageQuery.of(0L, 500L, true, null, null, null));
 
         assertThat(page.getItems()).isEmpty();
         assertThat(page.getPage()).isEqualTo(1L);
@@ -186,4 +192,91 @@ class NotificationServiceTest {
         assertThat(deleted).isEqualTo(2);
         verify(mapper).delete(any());
     }
+
+    /**
+     * 可见范围回归：读取侧必须按「接收者 user_id + 端 audience」双条件裁剪。
+     * 一旦有人漏掉 user_id，管理员/用户就会看到别人的通知；漏掉 audience 则两端通知串台。
+     */
+    @Test
+    @SuppressWarnings("unchecked")
+    void pageScopesQueryByReceiverAndAudience() {
+        when(mapper.selectCount(any())).thenReturn(2L, 1L);
+        when(mapper.selectList(any())).thenReturn(List.of());
+
+        service.page(24L, NotificationService.AUDIENCE_ADMIN,
+                NotificationPageQuery.of(1L, 20L, true, null, null, null));
+
+        ArgumentCaptor<LambdaQueryWrapper<UserNotificationEntity>> countCaptor =
+                ArgumentCaptor.forClass(LambdaQueryWrapper.class);
+        verify(mapper, times(2)).selectCount(countCaptor.capture());
+        countCaptor.getAllValues().forEach(wrapper -> assertScopedTo(wrapper, 24L, "admin"));
+        ArgumentCaptor<LambdaQueryWrapper<UserNotificationEntity>> listCaptor =
+                ArgumentCaptor.forClass(LambdaQueryWrapper.class);
+        verify(mapper).selectList(listCaptor.capture());
+        assertScopedTo(listCaptor.getValue(), 24L, "admin");
+    }
+
+    /** 关键字匹配标题/内容；日期按「年月日」闭区间（止日次日 0 点为上界，当天 23:59 不漏）。 */
+    @Test
+    @SuppressWarnings("unchecked")
+    void pageAppliesKeywordAndDayRangeFilters() {
+        when(mapper.selectCount(any())).thenReturn(1L, 0L);
+        when(mapper.selectList(any())).thenReturn(List.of());
+
+        service.page(24L, NotificationService.AUDIENCE_ADMIN, NotificationPageQuery.of(
+                1L, 20L, false, "余额不足", LocalDate.of(2026, 9, 10), LocalDate.of(2026, 9, 13)));
+
+        ArgumentCaptor<LambdaQueryWrapper<UserNotificationEntity>> listCaptor =
+                ArgumentCaptor.forClass(LambdaQueryWrapper.class);
+        verify(mapper).selectList(listCaptor.capture());
+        LambdaQueryWrapper<UserNotificationEntity> wrapper = listCaptor.getValue();
+        assertThat(wrapper.getSqlSegment()).contains("title").contains("content").contains("created_at");
+        assertThat(wrapper.getParamNameValuePairs().values())
+                .contains("%余额不足%", LocalDateTime.of(2026, 9, 10, 0, 0), LocalDateTime.of(2026, 9, 14, 0, 0));
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    void summaryAndUnreadCountScopeByReceiverAndAudience() {
+        when(mapper.selectCount(any())).thenReturn(3L);
+        when(mapper.selectOne(any())).thenReturn(null);
+
+        service.summary(1095L, NotificationService.AUDIENCE_USER);
+        service.unreadCount(1095L, NotificationService.AUDIENCE_USER);
+
+        ArgumentCaptor<LambdaQueryWrapper<UserNotificationEntity>> countCaptor =
+                ArgumentCaptor.forClass(LambdaQueryWrapper.class);
+        verify(mapper, times(2)).selectCount(countCaptor.capture());
+        countCaptor.getAllValues().forEach(wrapper -> assertScopedTo(wrapper, 1095L, "user"));
+        ArgumentCaptor<LambdaQueryWrapper<UserNotificationEntity>> oneCaptor =
+                ArgumentCaptor.forClass(LambdaQueryWrapper.class);
+        verify(mapper).selectOne(oneCaptor.capture());
+        assertScopedTo(oneCaptor.getValue(), 1095L, "user");
+    }
+
+    @Test
+    @SuppressWarnings("unchecked")
+    void markReadCannotTouchOtherReceiversOrOtherAudience() {
+        when(mapper.update(any(), any())).thenReturn(1);
+
+        service.markRead(24L, NotificationService.AUDIENCE_ADMIN, 42L);
+        service.markAllRead(24L, NotificationService.AUDIENCE_ADMIN);
+
+        ArgumentCaptor<LambdaUpdateWrapper<UserNotificationEntity>> captor =
+                ArgumentCaptor.forClass(LambdaUpdateWrapper.class);
+        verify(mapper, times(2)).update(any(), captor.capture());
+        captor.getAllValues().forEach(wrapper -> assertScopedTo(wrapper, 24L, "admin"));
+        // 单条已读还必须锁定通知 id，避免参数错位时误标他人的行
+        assertThat(captor.getAllValues().get(0).getSqlSegment()).contains("id =");
+    }
+
+    private void assertScopedTo(LambdaQueryWrapper<UserNotificationEntity> wrapper, long userId, String audience) {
+        assertThat(wrapper.getSqlSegment()).contains("user_id").contains("audience");
+        assertThat(wrapper.getParamNameValuePairs().values()).contains(userId, audience);
+    }
+
+    private void assertScopedTo(LambdaUpdateWrapper<UserNotificationEntity> wrapper, long userId, String audience) {
+        assertThat(wrapper.getSqlSegment()).contains("user_id").contains("audience");
+        assertThat(wrapper.getParamNameValuePairs().values()).contains(userId, audience);
+    }
 }
diff --git a/frontend-vue/src/shared/api/types/modules/notification.ts b/frontend-vue/src/shared/api/types/modules/notification.ts
index fc1a77c4..859dac50 100644
--- a/frontend-vue/src/shared/api/types/modules/notification.ts
+++ b/frontend-vue/src/shared/api/types/modules/notification.ts
@@ -38,14 +38,45 @@ export function fetchNotificationSummary() {
   )
 }
 
-export function fetchNotificationList(params: { page?: number; pageSize?: number; onlyUnread?: boolean } = {}) {
+/** 列表查询参数：关键字匹配标题/内容；startDate/endDate 为年月日闭区间（yyyy-MM-dd）。 */
+export interface NotificationListParams {
+  page?: number
+  pageSize?: number
+  onlyUnread?: boolean
+  keyword?: string
+  startDate?: string
+  endDate?: string
+}
+
+/**
+ * 列表查询参数：关键字匹配标题/内容；startDate/endDate 为年月日闭区间（yyyy-MM-dd）。
+ * 空关键字/日期一律不下发（空串会让后端日期绑定失败返回 400）。
+ */
+export function buildNotificationListQuery(
+  params: NotificationListParams = {},
+): Record<string, string | number> {
+  const query: Record<string, string | number> = {
+    page: params.page ?? 1,
+    pageSize: params.pageSize ?? 20,
+    onlyUnread: params.onlyUnread ? 'true' : 'false',
+  }
+  const keyword = (params.keyword ?? '').trim()
+  if (keyword) {
+    query.keyword = keyword
+  }
+  if (params.startDate) {
+    query.startDate = params.startDate
+  }
+  if (params.endDate) {
+    query.endDate = params.endDate
+  }
+  return query
+}
+
+export function fetchNotificationList(params: NotificationListParams = {}) {
   return unwrapJavaResponse(
     get<JavaApiResponse<NotificationPage>>(
-      buildJavaUrl(API_ENDPOINTS.notification.list, {
-        page: params.page ?? 1,
-        pageSize: params.pageSize ?? 20,
-        onlyUnread: params.onlyUnread ? 'true' : 'false',
-      }),
+      buildJavaUrl(API_ENDPOINTS.notification.list, buildNotificationListQuery(params)),
     ),
   )
 }
diff --git a/frontend-vue/src/shared/components/NotificationBell.vue b/frontend-vue/src/shared/components/NotificationBell.vue
index 76fd4e33..19187ef5 100644
--- a/frontend-vue/src/shared/components/NotificationBell.vue
+++ b/frontend-vue/src/shared/components/NotificationBell.vue
@@ -24,7 +24,17 @@
       <span v-if="badgeText" class="bell-badge">{{ badgeText }}</span>
     </button>
 
-    <div v-if="panelOpen" class="bell-panel" role="dialog" aria-label="通知列表">
+    <!-- 面板挂到 body 上（fixed 定位）：顶栏内绝对定位时会被页面内容压住（如 el-select），提 z-index 无效 -->
+    <Teleport to="body">
+      <div
+        v-if="panelOpen"
+        ref="panelRef"
+        class="bell-panel"
+        :class="`bell-panel--${theme}`"
+        :style="panelStyle"
+        role="dialog"
+        aria-label="通知列表"
+      >
       <div class="bell-panel-head">
         <span class="bell-panel-title">通知</span>
         <button
@@ -38,32 +48,83 @@
         </button>
       </div>
 
+      <div class="bell-search">
+        <input
+          v-model="keyword"
+          type="text"
+          class="bell-search-input"
+          placeholder="搜索标题或内容"
+          aria-label="搜索通知"
+          @input="onKeywordInput"
+        />
+        <div class="bell-search-days">
+          <input
+            v-model="startDate"
+            type="date"
+            class="bell-date-input"
+            aria-label="起始日期"
+            @change="reload"
+          />
+          <span class="bell-date-sep">至</span>
+          <input
+            v-model="endDate"
+            type="date"
+            class="bell-date-input"
+            aria-label="结束日期"
+            @change="reload"
+          />
+          <button v-if="hasFilter" type="button" class="bell-search-reset" @click="resetFilters">
+            重置
+          </button>
+        </div>
+      </div>
+
       <div v-if="loading && !items.length" class="bell-empty">正在加载...</div>
       <div v-else-if="loadError && !items.length" class="bell-empty bell-empty--error">{{ loadError }}</div>
-      <div v-else-if="!items.length" class="bell-empty">暂无通知</div>
+      <div v-else-if="!items.length" class="bell-empty">
+        {{ hasFilter ? '没有符合条件的通知' : '暂无通知' }}
+      </div>
       <ul v-else class="bell-list">
-        <li
-          v-for="item in items"
-          :key="item.id"
-          class="bell-item"
-          :class="[`bell-item--${item.level || 'warning'}`, { 'bell-item--unread': !item.read }]"
-          @click="onItemClick(item)"
-        >
-          <div class="bell-item-head">
-            <span class="bell-item-title">{{ item.title }}</span>
-            <span class="bell-item-time">{{ formatTime(item.createdAt) }}</span>
-          </div>
-          <div class="bell-item-content">{{ item.content }}</div>
-        </li>
+        <template v-for="group in groupedItems" :key="group.day || 'unknown'">
+          <li class="bell-day-head">{{ group.label }}</li>
+          <li
+            v-for="item in group.items"
+            :key="item.id"
+            class="bell-item"
+            :class="[`bell-item--${item.level || 'warning'}`, { 'bell-item--unread': !item.read }]"
+            @click="onItemClick(item)"
+          >
+            <div class="bell-item-head">
+              <span class="bell-item-title">{{ item.title }}</span>
+              <span class="bell-item-time">{{ formatTime(item.createdAt) }}</span>
+            </div>
+            <div class="bell-item-content">{{ item.content }}</div>
+          </li>
+        </template>
       </ul>
 
       <div class="bell-panel-foot">
-        <button v-if="hasMore" type="button" class="bell-more" :disabled="loading" @click="loadMore">
-          {{ loading ? '加载中...' : '加载更多' }}
+        <button
+          type="button"
+          class="bell-page-btn"
+          :disabled="page <= 1 || loading"
+          @click="goPage(page - 1)"
+        >
+          上一页
         </button>
-        <span v-else-if="items.length" class="bell-foot-note">已显示全部</span>
+        <span class="bell-page-info">{{ page }} / {{ totalPages }}</span>
+        <button
+          type="button"
+          class="bell-page-btn"
+          :disabled="page >= totalPages || loading"
+          @click="goPage(page + 1)"
+        >
+          下一页
+        </button>
+        <span class="bell-page-total">共 {{ total }} 条</span>
       </div>
-    </div>
+      </div>
+    </Teleport>
   </div>
 </template>
 
@@ -83,12 +144,13 @@ import {
   currentNotificationUid,
   formatNotificationTime,
   formatUnreadBadge,
+  groupNotificationsByDay,
   hasNewNotification,
   readLastNotifiedId,
   writeLastNotifiedId,
 } from '@/shared/utils/notification-bell.ts'
 
-const PAGE_SIZE = 20
+const PAGE_SIZE = 10
 
 /** 顶栏主题：工具页/配置页深色（dark），桌面入口首页浅色（light）。 */
 const props = withDefaults(defineProps<{ theme?: 'dark' | 'light' }>(), {
@@ -97,6 +159,8 @@ const props = withDefaults(defineProps<{ theme?: 'dark' | 'light' }>(), {
 const theme = computed(() => props.theme)
 
 const rootRef = ref<HTMLElement | null>(null)
+const panelRef = ref<HTMLElement | null>(null)
+const panelStyle = ref<Record<string, string>>({})
 const uid = currentNotificationUid()
 
 const unreadCount = ref(0)
@@ -107,11 +171,29 @@ const panelOpen = ref(false)
 const loading = ref(false)
 const markingAll = ref(false)
 const loadError = ref('')
+const keyword = ref('')
+const startDate = ref('')
+const endDate = ref('')
 
 const badgeText = computed(() => formatUnreadBadge(unreadCount.value))
-const hasMore = computed(() => items.value.length < total.value)
+const groupedItems = computed(() => groupNotificationsByDay(items.value))
+const totalPages = computed(() => Math.max(1, Math.ceil(total.value / PAGE_SIZE)))
+const hasFilter = computed(() => Boolean(keyword.value.trim() || startDate.value || endDate.value))
 
 let pollTimer: number | null = null
+let searchTimer: number | null = null
+
+/** 起止日期倒挂时自动交换，避免用户只看到「没有符合条件的通知」不知原因。 */
+function normalizedDayRange(): { startDate?: string; endDate?: string } {
+  let start = startDate.value
+  let end = endDate.value
+  if (start && end && start > end) {
+    const swapped = start
+    start = end
+    end = swapped
+  }
+  return { startDate: start || undefined, endDate: end || undefined }
+}
 
 /** 拉未读数：发现新通知提醒一次（localStorage 记录已提醒过的最大 id，避免重复弹）。 */
 async function refreshSummary() {
@@ -134,15 +216,21 @@ async function loadPage(targetPage: number) {
   if (loading.value) return
   loading.value = true
   try {
-    const result = await fetchNotificationList({ page: targetPage, pageSize: PAGE_SIZE })
+    const result = await fetchNotificationList({
+      page: targetPage,
+      pageSize: PAGE_SIZE,
+      keyword: keyword.value,
+      ...normalizedDayRange(),
+    })
     const list = Array.isArray(result?.items) ? result.items : []
-    items.value = targetPage <= 1 ? list : [...items.value, ...list]
-    total.value = Number(result?.total ?? items.value.length)
+    items.value = list
+    total.value = Number(result?.total ?? list.length)
     unreadCount.value = Number(result?.unreadCount ?? unreadCount.value)
     page.value = targetPage
     loadError.value = ''
-    if (targetPage <= 1) {
-      const latest = items.value.length ? Number(items.value[0].id) : 0
+    // 无筛选时首页就是最新数据，顺带记录「已提醒过的最大 id」；有筛选时最新 id 不代表真实最新
+    if (targetPage <= 1 && !hasFilter.value && list.length) {
+      const latest = Number(list[0].id)
       if (latest > 0) {
         writeLastNotifiedId(uid, Math.max(readLastNotifiedId(uid), latest))
       }
@@ -156,14 +244,50 @@ async function loadPage(targetPage: number) {
   }
 }
 
-function loadMore() {
-  if (!hasMore.value) return
-  void loadPage(page.value + 1)
+function goPage(targetPage: number) {
+  const safe = Math.min(Math.max(1, targetPage), totalPages.value)
+  if (safe === page.value || loading.value) return
+  void loadPage(safe)
+}
+
+/** 搜索/日期变化后回到第一页重新查询。 */
+function reload() {
+  void loadPage(1)
+}
+
+/** 关键字输入防抖 300ms，避免每敲一个字都打一次接口。 */
+function onKeywordInput() {
+  if (searchTimer != null) {
+    window.clearTimeout(searchTimer)
+  }
+  searchTimer = window.setTimeout(() => {
+    searchTimer = null
+    void loadPage(1)
+  }, 300)
+}
+
+function resetFilters() {
+  keyword.value = ''
+  startDate.value = ''
+  endDate.value = ''
+  void loadPage(1)
+}
+
+/** 面板挂到 body 后用 fixed 定位，位置按触发器实时算（右对齐在铃铛下方）。 */
+function syncPanelPosition() {
+  const trigger = rootRef.value
+  if (!trigger) return
+  const rect = trigger.getBoundingClientRect()
+  panelStyle.value = {
+    top: `${Math.round(rect.bottom + 10)}px`,
+    right: `${Math.max(8, Math.round(window.innerWidth - rect.right))}px`,
+  }
 }
 
 function togglePanel() {
   panelOpen.value = !panelOpen.value
   if (panelOpen.value) {
+    syncPanelPosition()
     void loadPage(1)
   }
 }
@@ -200,12 +324,19 @@ function formatTime(value: string | null) {
   return formatNotificationTime(value)
 }
 
-/** 点击组件外部关闭面板。 */
+/** 点击组件外部关闭面板（面板已 Teleport 到 body，需连同面板自身一起判断）。 */
 function onDocumentMouseDown(event: MouseEvent) {
   if (!panelOpen.value) return
-  const root = rootRef.value
-  if (root && event.target instanceof Node && !root.contains(event.target)) {
-    panelOpen.value = false
+  const target = event.target
+  if (!(target instanceof Node)) return
+  if (rootRef.value?.contains(target) || panelRef.value?.contains(target)) return
+  panelOpen.value = false
+}
+
+/** 窗口尺寸变化时重新对齐面板。 */
+function onWindowResize() {
+  if (panelOpen.value) {
+    syncPanelPosition()
   }
 }
 
@@ -219,6 +350,7 @@ function onVisibilityChange() {
 onMounted(() => {
   document.addEventListener('mousedown', onDocumentMouseDown)
   document.addEventListener('visibilitychange', onVisibilityChange)
+  window.addEventListener('resize', onWindowResize)
   void refreshSummary()
   pollTimer = window.setInterval(() => {
     if (typeof document !== 'undefined' && document.visibilityState !== 'visible') {
@@ -231,10 +363,15 @@ onMounted(() => {
 onUnmounted(() => {
   document.removeEventListener('mousedown', onDocumentMouseDown)
   document.removeEventListener('visibilitychange', onVisibilityChange)
+  window.removeEventListener('resize', onWindowResize)
   if (pollTimer != null) {
     window.clearInterval(pollTimer)
     pollTimer = null
   }
+  if (searchTimer != null) {
+    window.clearTimeout(searchTimer)
+    searchTimer = null
+  }
 })
 </script>
 
@@ -291,13 +428,11 @@ onUnmounted(() => {
 }
 
 .bell-panel {
-  position: absolute;
-  top: calc(100% + 10px);
-  right: 0;
+  position: fixed;
   z-index: 3200;
   width: 360px;
   max-width: calc(100vw - 32px);
-  max-height: 440px;
+  max-height: 520px;
   display: flex;
   flex-direction: column;
   border: 1px solid #2c3540;
@@ -424,28 +559,113 @@ onUnmounted(() => {
 }
 
 .bell-panel-foot {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  padding: 7px 12px;
   border-top: 1px solid #262d35;
-  text-align: center;
 }
 
-.bell-more {
+.bell-search {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  padding: 10px 12px;
+  border-bottom: 1px solid #262d35;
+  background: #141920;
+}
+
+.bell-search-input,
+.bell-date-input {
+  height: 28px;
+  padding: 0 8px;
+  box-sizing: border-box;
+  border: 1px solid #2c3540;
+  border-radius: 6px;
+  background: #1b2027;
+  color: #dce6f0;
+  font-size: 12px;
+  outline: none;
+  color-scheme: dark;
+}
+
+.bell-search-input {
   width: 100%;
-  padding: 9px 0;
-  border: none;
-  background: transparent;
+}
+
+.bell-search-input:focus,
+.bell-date-input:focus {
+  border-color: #4a86c7;
+}
+
+.bell-search-days {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.bell-date-input {
+  flex: 1;
+  min-width: 0;
+}
+
+.bell-date-sep {
+  color: #6f7a86;
+  font-size: 12px;
+}
+
+.bell-search-reset {
+  flex-shrink: 0;
+  height: 28px;
+  padding: 0 8px;
+  border: 1px solid #2c3540;
+  border-radius: 6px;
+  background: #1b2027;
   color: #8dc4ff;
   font-size: 12px;
   cursor: pointer;
 }
 
-.bell-more:disabled {
-  opacity: 0.55;
+.bell-search-reset:hover {
+  background: #212832;
+}
+
+.bell-day-head {
+  padding: 6px 14px;
+  background: #1b232e;
+  color: #8b97a4;
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: 0.02em;
+}
+
+.bell-page-btn {
+  padding: 3px 10px;
+  border: 1px solid #2c3540;
+  border-radius: 6px;
+  background: #1b2027;
+  color: #8dc4ff;
+  font-size: 12px;
+  cursor: pointer;
+}
+
+.bell-page-btn:hover:not(:disabled) {
+  background: #212832;
+}
+
+.bell-page-btn:disabled {
+  opacity: 0.5;
   cursor: not-allowed;
 }
 
-.bell-foot-note {
-  display: block;
-  padding: 8px 0;
+.bell-page-info {
+  color: #dce6f0;
+  font-size: 12px;
+  font-weight: 600;
+}
+
+.bell-page-total {
   color: #6f7a86;
   font-size: 11px;
 }
@@ -461,73 +681,97 @@ onUnmounted(() => {
   color: #333;
 }
 
-.notification-bell--light .bell-panel {
+.bell-panel--light {
   border-color: #e2e8f0;
   background: #ffffff;
   box-shadow: 0 18px 48px rgba(31, 45, 61, 0.18);
 }
 
-.notification-bell--light .bell-panel-head {
+.bell-panel--light .bell-panel-head {
   border-bottom-color: #edf1f5;
 }
 
-.notification-bell--light .bell-panel-title {
+.bell-panel--light .bell-panel-title {
   color: #333;
 }
 
-.notification-bell--light .bell-read-all {
+.bell-panel--light .bell-read-all {
   color: #4c5bd4;
 }
 
-.notification-bell--light .bell-empty {
+.bell-panel--light .bell-empty {
   color: #999;
 }
 
-.notification-bell--light .bell-item {
+.bell-panel--light .bell-item {
   border-bottom-color: #f0f3f7;
 }
 
-.notification-bell--light .bell-item:hover {
+.bell-panel--light .bell-item:hover {
   background: #f7f9fc;
 }
 
-.notification-bell--light .bell-item--unread {
+.bell-panel--light .bell-item--unread {
   background: #f2f6ff;
 }
 
-.notification-bell--light .bell-item-title {
+.bell-panel--light .bell-item-title {
   color: #333;
 }
 
-.notification-bell--light .bell-item--error .bell-item-title {
+.bell-panel--light .bell-item--error .bell-item-title {
   color: #c0392b;
 }
 
-.notification-bell--light .bell-item--warning .bell-item-title {
+.bell-panel--light .bell-item--warning .bell-item-title {
   color: #a8793e;
 }
 
-.notification-bell--light .bell-item--info .bell-item-title {
+.bell-panel--light .bell-item--info .bell-item-title {
   color: #4c5bd4;
 }
 
-.notification-bell--light .bell-item-time {
+.bell-panel--light .bell-item-time {
   color: #9aa6b3;
 }
 
-.notification-bell--light .bell-item-content {
+.bell-panel--light .bell-item-content {
   color: #667085;
 }
 
-.notification-bell--light .bell-panel-foot {
+.bell-panel--light .bell-search {
+  background: #f8fafc;
+  border-bottom-color: #edf1f5;
+}
+
+.bell-panel--light .bell-search-input,
+.bell-panel--light .bell-date-input {
+  border-color: #e2e8f0;
+  background: #ffffff;
+  color: #333;
+  color-scheme: light;
+}
+
+.bell-panel--light .bell-day-head {
+  background: #f4f7fa;
+  color: #7c8b9a;
+}
+
+.bell-panel--light .bell-panel-foot {
   border-top-color: #edf1f5;
 }
 
-.notification-bell--light .bell-more {
+.bell-panel--light .bell-page-btn {
+  border-color: #e2e8f0;
+  background: #ffffff;
   color: #4c5bd4;
 }
 
-.notification-bell--light .bell-foot-note {
+.bell-panel--light .bell-page-info {
+  color: #333;
+}
+
+.bell-panel--light .bell-page-total {
   color: #9aa6b3;
 }
 </style>
diff --git a/frontend-vue/src/shared/utils/notification-bell.ts b/frontend-vue/src/shared/utils/notification-bell.ts
index e3ede37b..65104708 100644
--- a/frontend-vue/src/shared/utils/notification-bell.ts
+++ b/frontend-vue/src/shared/utils/notification-bell.ts
@@ -64,6 +64,64 @@ export function currentNotificationUid(): string {
   }
 }
 
+/** 通知所属日期键（本地时区 yyyy-MM-dd）；时间缺失/非法返回空串。 */
+export function notificationDayKey(value: string | null | undefined): string {
+  if (!value) {
+    return ''
+  }
+  const date = new Date(value)
+  if (Number.isNaN(date.getTime())) {
+    return ''
+  }
+  const pad = (input: number) => String(input).padStart(2, '0')
+  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`
+}
+
+/** 日期组头文案：今天 / 昨天 / 2026年9月11日；空键兜底「未知时间」。 */
+export function formatDayLabel(day: string, now: Date = new Date()): string {
+  if (!day) {
+    return '未知时间'
+  }
+  if (day === notificationDayKey(now.toISOString())) {
+    return '今天'
+  }
+  const yesterday = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 1)
+  if (day === notificationDayKey(yesterday.toISOString())) {
+    return '昨天'
+  }
+  const [year, month, date] = day.split('-').map((part) => Number(part))
+  if (!Number.isFinite(year) || !Number.isFinite(month) || !Number.isFinite(date)) {
+    return day
+  }
+  return `${year}年${month}月${date}日`
+}
+
+export interface NotificationDayGroup<T> {
+  day: string
+  label: string
+  items: T[]
+}
+
+/** 按年月日分组（组内保持入参顺序，列表本身已按 id 倒序）。 */
+export function groupNotificationsByDay<T extends { createdAt: string | null }>(
+  items: T[],
+  now: Date = new Date(),
+): NotificationDayGroup<T>[] {
+  const groups: NotificationDayGroup<T>[] = []
+  const indexByDay = new Map<string, NotificationDayGroup<T>>()
+  for (const item of items ?? []) {
+    const day = notificationDayKey(item.createdAt)
+    let group = indexByDay.get(day)
+    if (!group) {
+      group = { day, label: formatDayLabel(day, now), items: [] }
+      indexByDay.set(day, group)
+      groups.push(group)
+    }
+    group.items.push(item)
+  }
+  return groups
+}
+
 /** 通知时间展示：今天只显示 HH:mm；昨天显示「昨天 HH:mm」；更早显示 MM-DD HH:mm。 */
 export function formatNotificationTime(
   value: string | null | undefined,
diff --git a/frontend-vue/tests/notification-bell.test.ts b/frontend-vue/tests/notification-bell.test.ts
index 40a7d07c..c111aae3 100644
--- a/frontend-vue/tests/notification-bell.test.ts
+++ b/frontend-vue/tests/notification-bell.test.ts
@@ -3,10 +3,12 @@ import assert from 'node:assert/strict'
 import {
   formatNotificationTime,
   formatUnreadBadge,
+  groupNotificationsByDay,
   hasNewNotification,
   readLastNotifiedId,
   writeLastNotifiedId,
 } from '../src/shared/utils/notification-bell.ts'
+import { buildNotificationListQuery } from '../src/shared/api/types/modules/notification.ts'
 
 function createStorage() {
   const store = new Map<string, string>()
@@ -84,3 +86,75 @@ test('formatNotificationTime 今天/昨天/更早展示', () => {
   assert.equal(formatNotificationTime(null, now), '')
   assert.equal(formatNotificationTime('not-a-date', now), '')
 })
+
+test('groupNotificationsByDay 按年月日分组：今天/昨天/更早，组内保持原顺序', () => {
+  const now = new Date(2026, 8, 13, 15, 30)
+  const items = [
+    { id: 4, createdAt: new Date(2026, 8, 13, 15, 0).toISOString() },
+    { id: 3, createdAt: new Date(2026, 8, 13, 9, 0).toISOString() },
+    { id: 2, createdAt: new Date(2026, 8, 12, 23, 0).toISOString() },
+    { id: 1, createdAt: new Date(2026, 8, 1, 8, 0).toISOString() },
+  ]
+
+  const groups = groupNotificationsByDay(items, now)
+
+  assert.equal(groups.length, 3)
+  assert.deepEqual(
+    groups.map((group) => [group.day, group.label]),
+    [
+      ['2026-09-13', '今天'],
+      ['2026-09-12', '昨天'],
+      ['2026-09-01', '2026年9月1日'],
+    ],
+  )
+  assert.deepEqual(
+    groups[0].items.map((item) => item.id),
+    [4, 3],
+    '同一天的多条合为一组且保持倒序',
+  )
+})
+
+test('groupNotificationsByDay 时间缺失/非法归入未知时间组', () => {
+  const now = new Date(2026, 8, 13, 15, 30)
+  const groups = groupNotificationsByDay(
+    [
+      { id: 2, createdAt: null },
+      { id: 1, createdAt: 'not-a-date' },
+    ],
+    now,
+  )
+
+  assert.equal(groups.length, 1)
+  assert.equal(groups[0].day, '')
+  assert.equal(groups[0].label, '未知时间')
+  assert.deepEqual(
+    groups[0].items.map((item) => item.id),
+    [2, 1],
+  )
+})
+
+test('buildNotificationListQuery：关键字去空白、空条件不下发、日期原样透传', () => {
+  assert.deepEqual(buildNotificationListQuery(), { page: 1, pageSize: 20, onlyUnread: 'false' })
+
+  const query = buildNotificationListQuery({
+    page: 2,
+    pageSize: 10,
+    keyword: '  余额不足  ',
+    startDate: '2026-09-10',
+    endDate: '2026-09-13',
+  })
+  assert.deepEqual(query, {
+    page: 2,
+    pageSize: 10,
+    onlyUnread: 'false',
+    keyword: '余额不足',
+    startDate: '2026-09-10',
+    endDate: '2026-09-13',
+  })
+
+  // 面板清空筛选后不能带空串日期（后端日期绑定会 400）
+  const cleared = buildNotificationListQuery({ keyword: '   ', startDate: '', endDate: '' })
+  assert.equal('keyword' in cleared, false)
+  assert.equal('startDate' in cleared, false)
+  assert.equal('endDate' in cleared, false)
+})