diff --git a/web/src/assets/styles/components/document-list-shared.css b/web/src/assets/styles/components/document-list-shared.css
index b8187c2..fa63b44 100644
--- a/web/src/assets/styles/components/document-list-shared.css
+++ b/web/src/assets/styles/components/document-list-shared.css
@@ -16,6 +16,7 @@
   color: #64748b;
   font-size: 14px;
   font-weight: 750;
+  overflow: visible;
 }
 
 .status-tabs button.active {
@@ -33,20 +34,33 @@
   background: var(--theme-primary);
 }
 
+.scope-tab-label {
+  position: relative;
+  display: inline-flex;
+  align-items: center;
+  line-height: 1.2;
+}
+
 .scope-tab-badge {
-  min-width: 18px;
-  height: 18px;
+  position: absolute;
+  top: -8px;
+  right: -15px;
+  min-width: 15px;
+  height: 15px;
   display: inline-flex;
   align-items: center;
   justify-content: center;
-  padding: 0 5px;
+  padding: 0 4px;
+  border: 1px solid #fff;
   border-radius: 999px;
   background: #ef4444;
   color: #fff;
-  font-size: 11px;
+  font-size: 10px;
   font-weight: 850;
   line-height: 1;
-  box-shadow: 0 6px 14px rgba(239, 68, 68, 0.22);
+  box-shadow:
+    0 0 0 2px rgba(239, 68, 68, 0.1),
+    0 6px 14px rgba(239, 68, 68, 0.22);
 }
 
 .document-toolbar {
@@ -167,6 +181,38 @@
   filter: none;
 }
 
+.mark-read-btn {
+  min-height: 34px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  padding: 0 12px;
+  border: 1px solid #fecaca;
+  border-radius: 4px;
+  background: #fff;
+  color: #dc2626;
+  font-size: 13px;
+  font-weight: 800;
+  white-space: nowrap;
+  transition:
+    border-color 160ms ease,
+    background 160ms ease,
+    color 160ms ease,
+    box-shadow 160ms ease;
+}
+
+.mark-read-btn .mdi {
+  font-size: 16px;
+}
+
+.mark-read-btn:hover {
+  border-color: #fca5a5;
+  background: #fff5f5;
+  color: #b91c1c;
+  box-shadow: 0 8px 18px rgba(239, 68, 68, 0.1);
+}
+
 .table-wrap {
   min-height: 400px;
   margin-top: 10px;
@@ -495,6 +541,7 @@ td small {
   .document-actions,
   .list-search,
   .filter-btn,
+  .mark-read-btn,
   .page-size-select {
     width: 100%;
   }
diff --git a/web/src/assets/styles/components/sidebar-rail.css b/web/src/assets/styles/components/sidebar-rail.css
index 5004b53..45654ea 100644
--- a/web/src/assets/styles/components/sidebar-rail.css
+++ b/web/src/assets/styles/components/sidebar-rail.css
@@ -216,11 +216,14 @@
   flex: 1;
   min-width: 0;
   max-width: 128px;
+  position: relative;
+  display: inline-flex;
+  align-items: center;
   color: currentColor;
   font-size: 14px;
   font-weight: 700;
   white-space: nowrap;
-  overflow: hidden;
+  overflow: visible;
   opacity: 1;
   transition:
     max-width var(--rail-motion-duration) var(--rail-motion-ease),
@@ -229,6 +232,16 @@
   will-change: max-width, opacity, transform;
 }
 
+.nav-label-text {
+  position: relative;
+  min-width: 0;
+  max-width: 100%;
+  display: inline-flex;
+  align-items: center;
+  overflow: visible;
+  line-height: 1.2;
+}
+
 .nav-badge {
   flex: 0 0 auto;
   min-width: 34px;
@@ -251,13 +264,24 @@
 }
 
 .nav-unread-dot {
-  flex: 0 0 auto;
-  width: 8px;
-  height: 8px;
+  width: 9px;
+  height: 9px;
   border: 2px solid #fff;
   border-radius: 999px;
   background: #ef4444;
-  box-shadow: 0 6px 14px rgba(239, 68, 68, 0.26);
+  box-shadow:
+    0 0 0 3px rgba(239, 68, 68, 0.12),
+    0 6px 14px rgba(239, 68, 68, 0.32);
+}
+
+.nav-unread-dot-label {
+  position: absolute;
+  top: -8px;
+  right: -10px;
+}
+
+.nav-unread-dot-collapsed {
+  display: none;
 }
 
 .rail-user {
@@ -469,8 +493,13 @@
   transition-delay: 0ms;
 }
 
-.rail-collapsed .nav-unread-dot {
+.rail-collapsed .nav-unread-dot-label {
+  display: none;
+}
+
+.rail-collapsed .nav-unread-dot-collapsed {
   position: absolute;
+  display: block;
   top: 10px;
   right: 11px;
   width: 9px;
diff --git a/web/src/components/layout/SidebarRail.vue b/web/src/components/layout/SidebarRail.vue
index cbf3982..d37755c 100644
--- a/web/src/components/layout/SidebarRail.vue
+++ b/web/src/components/layout/SidebarRail.vue
@@ -50,8 +50,13 @@
           @click="emit('navigate', item.id)"
         >
           <span class="nav-icon" v-html="item.icon"></span>
-          <span class="nav-label">{{ item.displayLabel }}</span>
-          <span v-if="item.hasNewMessage" class="nav-unread-dot" aria-hidden="true"></span>
+          <span class="nav-label">
+            <span class="nav-label-text">
+              {{ item.displayLabel }}
+              <span v-if="item.hasNewMessage" class="nav-unread-dot nav-unread-dot-label" aria-hidden="true"></span>
+            </span>
+          </span>
+          <span v-if="item.hasNewMessage" class="nav-unread-dot nav-unread-dot-collapsed" aria-hidden="true"></span>
           <span v-if="item.badge" class="nav-badge">{{ item.badge }}</span>
         </button>
       </ElTooltip>
diff --git a/web/src/utils/documentCenterNewState.js b/web/src/utils/documentCenterNewState.js
index 2423174..87a9864 100644
--- a/web/src/utils/documentCenterNewState.js
+++ b/web/src/utils/documentCenterNewState.js
@@ -77,3 +77,26 @@ export function markDocumentViewed(row, viewedKeys, storage = getStorage()) {
   writeViewedDocumentKeys(nextKeys, storage)
   return nextKeys
 }
+
+export function markDocumentsViewed(rows, viewedKeys, storage = getStorage()) {
+  const nextKeys = new Set(viewedKeys)
+  let changed = false
+
+  ;(Array.isArray(rows) ? rows : []).forEach((row) => {
+    if (!isNewDocument(row, nextKeys)) {
+      return
+    }
+
+    const key = resolveDocumentNewKey(row)
+    if (key) {
+      nextKeys.add(key)
+      changed = true
+    }
+  })
+
+  if (changed) {
+    writeViewedDocumentKeys(nextKeys, storage)
+  }
+
+  return nextKeys
+}
diff --git a/web/src/views/DocumentsCenterView.vue b/web/src/views/DocumentsCenterView.vue
index 68a20af..cbd0107 100644
--- a/web/src/views/DocumentsCenterView.vue
+++ b/web/src/views/DocumentsCenterView.vue
@@ -9,9 +9,11 @@
           :class="{ active: activeScopeTab === tab.value }"
           @click="activeScopeTab = tab.value"
         >
-          <span>{{ tab.label }}</span>
-          <span v-if="tab.badgeCount > 0" class="scope-tab-badge" aria-label="新增单据数">
-            {{ tab.badgeCount > 99 ? '99+' : tab.badgeCount }}
+          <span class="scope-tab-label">
+            {{ tab.label }}
+            <span v-if="tab.badgeCount > 0" class="scope-tab-badge" aria-label="新增单据数">
+              {{ tab.badgeCount > 99 ? '99+' : tab.badgeCount }}
+            </span>
           </span>
         </button>
       </nav>
@@ -122,7 +124,16 @@
           </div>
         </div>
 
-        <div v-if="[DOCUMENT_SCOPE_APPLICATION, DOCUMENT_SCOPE_REIMBURSEMENT].includes(activeScopeTab)" class="document-actions">
+        <div v-if="showToolbarActions" class="document-actions">
+          <button
+            v-if="totalNewDocumentCount > 0"
+            class="mark-read-btn"
+            type="button"
+            @click="markAllDocumentsRead"
+          >
+            <i class="mdi mdi-check-all"></i>
+            <span>一键已读</span>
+          </button>
           <button v-if="activeScopeTab === DOCUMENT_SCOPE_APPLICATION" class="create-request-btn" type="button" @click="emit('create-application')">
             <i class="mdi mdi-file-plus-outline"></i>
             <span>发起申请</span>
@@ -238,7 +249,7 @@ import TableLoadingState from '../components/shared/TableLoadingState.vue'
 import { useMinimumVisibleState } from '../composables/useMinimumVisibleState.js'
 import { mapExpenseClaimToRequest } from '../composables/useRequests.js'
 import { fetchApprovalExpenseClaims, fetchArchivedExpenseClaims } from '../services/reimbursements.js'
-import { countNewDocuments, isNewDocument, markDocumentViewed, readDocumentScope, readViewedDocumentKeys, writeDocumentScope } from '../utils/documentCenterNewState.js'
+import { countNewDocuments, isNewDocument, markDocumentViewed, markDocumentsViewed, readDocumentScope, readViewedDocumentKeys, writeDocumentScope } from '../utils/documentCenterNewState.js'
 import { extractDateText, formatDocumentListTime, resolveDocumentSortTime, resolveDocumentStayTimeDisplay } from '../utils/documentCenterTime.js'
 import { excludeArchivedDocumentRows, filterApplicationScopeNewRows, isArchivedDocumentRow, prepareApplicationScopeRows } from '../utils/documentCenterRows.js'
 import { normalizeRequestForUi } from '../utils/requestViewModel.js'
@@ -468,6 +479,17 @@ const scopeTabItems = computed(() =>
     badgeCount: scopeNewCountMap.value[tab] || 0
   }))
 )
+const allReadableDocumentRows = computed(() => [
+  ...nonArchivedRows.value,
+  ...filterApplicationScopeNewRows(applicationScopeRows.value),
+  ...ownedRows.value.filter((row) => row.documentTypeCode === DOCUMENT_TYPE_REIMBURSEMENT),
+  ...approvalRows.value
+])
+const totalNewDocumentCount = computed(() => countNewDocuments(allReadableDocumentRows.value, viewedDocumentKeys.value))
+const showCreateDocumentActions = computed(() =>
+  [DOCUMENT_SCOPE_APPLICATION, DOCUMENT_SCOPE_REIMBURSEMENT].includes(activeScopeTab.value)
+)
+const showToolbarActions = computed(() => showCreateDocumentActions.value || totalNewDocumentCount.value > 0)
 
 const activeScopeRows = computed(() => {
   if (activeScopeTab.value === DOCUMENT_SCOPE_ALL) return nonArchivedRows.value
@@ -831,6 +853,14 @@ function openDocument(row) {
   emit('open-document', row.rawRequest || row)
 }
 
+function markAllDocumentsRead() {
+  if (!totalNewDocumentCount.value) {
+    return
+  }
+
+  viewedDocumentKeys.value = markDocumentsViewed(allReadableDocumentRows.value, viewedDocumentKeys.value)
+}
+
 async function loadSupportingRows() {
   supportingLoading.value = true
   supportingError.value = ''
diff --git a/web/tests/document-center-new-state.test.mjs b/web/tests/document-center-new-state.test.mjs
index 0d201ba..8f6570c 100644
--- a/web/tests/document-center-new-state.test.mjs
+++ b/web/tests/document-center-new-state.test.mjs
@@ -5,6 +5,7 @@ import {
   countNewDocuments,
   isNewDocument,
   markDocumentViewed,
+  markDocumentsViewed,
   readDocumentScope,
   readViewedDocumentKeys,
   resolveDocumentNewKey,
@@ -47,6 +48,19 @@ test('document center new state counts unseen documents and persists viewed rows
   assert.deepEqual([...readViewedDocumentKeys(storage)], ['owned:claim-1'])
 })
 
+test('document center new state can mark all unread rows as viewed at once', () => {
+  const storage = createMemoryStorage()
+  const rows = [
+    { source: 'owned', claimId: 'claim-1' },
+    { source: 'approval', claimId: 'claim-2' },
+    { source: 'archive', claimId: 'claim-3' }
+  ]
+  const viewedKeys = markDocumentsViewed(rows, readViewedDocumentKeys(storage), storage)
+
+  assert.equal(countNewDocuments(rows, viewedKeys), 0)
+  assert.deepEqual([...readViewedDocumentKeys(storage)], ['owned:claim-1', 'approval:claim-2'])
+})
+
 test('document center archive rows are never marked as new', () => {
   const viewedKeys = readViewedDocumentKeys(createMemoryStorage())
   const rows = [
diff --git a/web/tests/documents-center-status-filter.test.mjs b/web/tests/documents-center-status-filter.test.mjs
index 7bd6784..6095e21 100644
--- a/web/tests/documents-center-status-filter.test.mjs
+++ b/web/tests/documents-center-status-filter.test.mjs
@@ -137,9 +137,10 @@ test('documents center list shows created time and conditional stay time columns
 })
 
 test('documents center action buttons are scoped to application and reimbursement tabs', () => {
+  assert.match(documentsCenterView, /v-if="showToolbarActions" class="document-actions"/)
   assert.match(
     documentsCenterView,
-    /v-if="\[DOCUMENT_SCOPE_APPLICATION, DOCUMENT_SCOPE_REIMBURSEMENT\]\.includes\(activeScopeTab\)"[\s\S]*class="document-actions"/
+    /const showCreateDocumentActions = computed\(\(\) =>[\s\S]*DOCUMENT_SCOPE_APPLICATION[\s\S]*DOCUMENT_SCOPE_REIMBURSEMENT/
   )
   assert.match(
     documentsCenterView,
@@ -156,6 +157,7 @@ test('documents center category tabs render bubble counts for new documents', ()
   assert.match(documentsCenterView, /readViewedDocumentKeys/)
   assert.match(documentsCenterView, /const viewedDocumentKeys = ref\(readViewedDocumentKeys\(\)\)/)
   assert.match(documentsCenterView, /v-for="tab in scopeTabItems"/)
+  assert.match(documentsCenterView, /<span class="scope-tab-label">/)
   assert.match(documentsCenterView, /<span v-if="tab\.badgeCount > 0" class="scope-tab-badge"/)
   assert.match(documentsCenterView, /tab\.badgeCount > 99 \? '99\+' : tab\.badgeCount/)
   assert.match(documentsCenterView, /const scopeNewCountMap = computed\(\(\) => \(\{/)
@@ -178,6 +180,27 @@ test('documents center category tabs render bubble counts for new documents', ()
     documentsCenterView,
     /const scopeTabItems = computed\(\(\) =>[\s\S]*badgeCount: scopeNewCountMap\.value\[tab\] \|\| 0/
   )
+  assert.match(documentListSharedStyles, /\.scope-tab-label\s*\{[\s\S]*position:\s*relative;/)
+  assert.match(documentListSharedStyles, /\.scope-tab-badge\s*\{[\s\S]*position:\s*absolute;[\s\S]*top:\s*-8px;[\s\S]*height:\s*15px;/)
+})
+
+test('documents center can mark all unread documents as read from toolbar', () => {
+  assert.match(documentsCenterView, /markDocumentsViewed/)
+  assert.match(
+    documentsCenterView,
+    /const allReadableDocumentRows = computed\(\(\) => \[[\s\S]*nonArchivedRows\.value[\s\S]*filterApplicationScopeNewRows\(applicationScopeRows\.value\)[\s\S]*approvalRows\.value/
+  )
+  assert.match(documentsCenterView, /const totalNewDocumentCount = computed\(\(\) => countNewDocuments\(allReadableDocumentRows\.value, viewedDocumentKeys\.value\)\)/)
+  assert.match(documentsCenterView, /const showToolbarActions = computed\(\(\) => showCreateDocumentActions\.value \|\| totalNewDocumentCount\.value > 0\)/)
+  assert.match(
+    documentsCenterView,
+    /<button[\s\S]*v-if="totalNewDocumentCount > 0"[\s\S]*class="mark-read-btn"[\s\S]*@click="markAllDocumentsRead"[\s\S]*一键已读/
+  )
+  assert.match(
+    documentsCenterView,
+    /function markAllDocumentsRead\(\) \{[\s\S]*viewedDocumentKeys\.value = markDocumentsViewed\(allReadableDocumentRows\.value, viewedDocumentKeys\.value\)/
+  )
+  assert.match(documentListSharedStyles, /\.mark-read-btn\s*\{[\s\S]*border:\s*1px solid #fecaca;/)
 })
 
 test('documents center rows show NEW marker until the row is opened', () => {
diff --git a/web/tests/sidebar-document-unread-dot.test.mjs b/web/tests/sidebar-document-unread-dot.test.mjs
index 52afa5f..824be1e 100644
--- a/web/tests/sidebar-document-unread-dot.test.mjs
+++ b/web/tests/sidebar-document-unread-dot.test.mjs
@@ -8,6 +8,11 @@ const sidebar = readFileSync(
   'utf8'
 )
 
+const sidebarStyles = readFileSync(
+  fileURLToPath(new URL('../src/assets/styles/components/sidebar-rail.css', import.meta.url)),
+  'utf8'
+)
+
 const documentInbox = readFileSync(
   fileURLToPath(new URL('../src/composables/useDocumentCenterInbox.js', import.meta.url)),
   'utf8'
@@ -21,13 +26,16 @@ const documentNewState = readFileSync(
 test('sidebar renders a red dot for unread document center rows', () => {
   assert.match(sidebar, /useDocumentCenterInbox/)
   assert.match(sidebar, /hasUnread: documentInboxHasUnread/)
-  assert.match(sidebar, /<span v-if="item\.hasNewMessage" class="nav-unread-dot" aria-hidden="true"><\/span>/)
+  assert.match(sidebar, /class="nav-label-text"[\s\S]*class="nav-unread-dot nav-unread-dot-label"/)
+  assert.match(sidebar, /class="nav-unread-dot nav-unread-dot-collapsed"/)
   assert.match(sidebar, /hasNewMessage: item\.id === 'documents' \? documentInboxHasUnread\.value : false/)
   assert.match(sidebar, /void refreshDocumentInbox\(\)/)
   assert.match(sidebar, /startDocumentInboxPolling\(\)/)
   assert.match(sidebar, /stopDocumentInboxPolling\(\)/)
-  assert.match(sidebar, /\.nav-unread-dot\s*\{[\s\S]*background:\s*#ef4444;/)
-  assert.match(sidebar, /\.rail-collapsed \.nav-unread-dot\s*\{[\s\S]*position:\s*absolute;/)
+  assert.match(sidebarStyles, /\.nav-label-text\s*\{[\s\S]*position:\s*relative;/)
+  assert.match(sidebarStyles, /\.nav-unread-dot\s*\{[\s\S]*background:\s*#ef4444;/)
+  assert.match(sidebarStyles, /\.nav-unread-dot-label\s*\{[\s\S]*position:\s*absolute;[\s\S]*top:\s*-8px;/)
+  assert.match(sidebarStyles, /\.rail-collapsed \.nav-unread-dot-collapsed\s*\{[\s\S]*position:\s*absolute;/)
 })
 
 test('document inbox reuses document center viewed-key state', () => {