diff --git a/src/components/DebugTab/DebugTab.vue b/src/components/DebugTab/DebugTab.vue
index 7e9043da..7c890826 100644
--- a/src/components/DebugTab/DebugTab.vue
+++ b/src/components/DebugTab/DebugTab.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { ref } from 'vue'
 import { useI18n } from 'vue-i18n'
-import { SubTabs } from '@/components/UI'
+import { SectionTabs } from '@/components/navigation'
 import TableBrowser from './TableBrowser.vue'
 import ToolTestTab from './ToolTestTab.vue'
 
@@ -21,7 +21,7 @@ const activeSubTab = ref('sql-tables')
 
 <template>
   <div class="flex h-full flex-col">
-    <SubTabs v-model="activeSubTab" :items="subTabs" persist-key="debugTab" />
+    <SectionTabs v-model="activeSubTab" :items="subTabs" persist-key="debugTab" />
 
     <div class="min-h-0 flex-1 overflow-hidden">
       <Transition name="fade" mode="out-in">
diff --git a/src/components/UI/index.ts b/src/components/UI/index.ts
index 3049bc40..67dc91aa 100644
--- a/src/components/UI/index.ts
+++ b/src/components/UI/index.ts
@@ -11,7 +11,6 @@ export { default as EmptyState } from './EmptyState.vue'
 export { default as LoadingState } from './LoadingState.vue'
 export { default as Tabs } from './Tabs.vue'
 export { default as UITabs } from './Tabs.vue'
-export { default as SubTabs } from './SubTabs.vue'
 export { default as PageAnchorsNav } from './PageAnchorsNav.vue'
 export { default as FileDropZone } from './FileDropZone.vue'
 export { default as DatePicker } from './DatePicker.vue'
diff --git a/src/components/analysis/AITab.vue b/src/components/analysis/AITab.vue
index 483a637e..7d5ad0f7 100644
--- a/src/components/analysis/AITab.vue
+++ b/src/components/analysis/AITab.vue
@@ -2,7 +2,7 @@
 import { ref, computed, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useRoute } from 'vue-router'
-import { SubTabs } from '@/components/UI'
+import { SectionTabs } from '@/components/navigation'
 import { ChatExplorer } from '../AIChat'
 import SQLLabTab from './SQLLabTab.vue'
 import { KeywordAnalysis } from './quotes'
@@ -68,7 +68,7 @@ defineExpose({
 <template>
   <div class="flex h-full flex-col">
     <!-- 子 Tab 导航 -->
-    <SubTabs v-model="activeSubTab" :items="subTabs" persist-key="aiTab" />
+    <SectionTabs v-model="activeSubTab" :items="subTabs" persist-key="aiTab" />
 
     <!-- 子 Tab 内容 -->
     <div class="flex-1 min-h-0 overflow-hidden">
diff --git a/src/components/common/Settings/AISettingsTab.vue b/src/components/common/Settings/AISettingsTab.vue
index f72ad2a9..ae82eee8 100644
--- a/src/components/common/Settings/AISettingsTab.vue
+++ b/src/components/common/Settings/AISettingsTab.vue
@@ -8,8 +8,8 @@ import AIPreprocessTab from './AI/AIPreprocessTab.vue'
 import AIExportSettingsTab from './AI/AIExportSettingsTab.vue'
 import SessionIndexSection from './AI/SessionIndexSection.vue'
 import SemanticIndexSection from './AI/SemanticIndexSection.vue'
-import SubTabs from '@/components/UI/SubTabs.vue'
-import { useSubTabsScroll } from '@/composables/useSubTabsScroll'
+import { CompactTabs } from '@/components/navigation'
+import { useAnchorNavigation } from '@/composables/useAnchorNavigation'
 
 const { t } = useI18n()
 
@@ -31,8 +31,8 @@ const navItems = computed(() => [
   { id: 'export', label: t('settings.aiPrompt.exportSettings.title') },
 ])
 
-// 使用二级导航滚动联动 composable
-const { activeNav, scrollContainerRef, setSectionRef, handleNavChange, scrollToId } = useSubTabsScroll(navItems)
+// 使用锚点导航滚动联动 composable
+const { activeNav, scrollContainerRef, setSectionRef, handleNavChange, scrollToId } = useAnchorNavigation(navItems)
 void scrollContainerRef // 在模板中通过 ref="scrollContainerRef" 使用
 
 // AI 配置变更回调
@@ -61,7 +61,7 @@ void aiModelConfigRef.value
   <div class="flex h-full gap-6">
     <!-- 左侧锚点导航 -->
     <div class="w-36 shrink-0">
-      <SubTabs v-model="activeNav" :items="navItems" orientation="vertical" @change="handleNavChange" />
+      <CompactTabs v-model="activeNav" :items="navItems" orientation="vertical" @change="handleNavChange" />
     </div>
 
     <!-- 右侧内容区域 -->
diff --git a/src/components/common/Settings/ApiSettingsTab.vue b/src/components/common/Settings/ApiSettingsTab.vue
index 46809b45..295f2b19 100644
--- a/src/components/common/Settings/ApiSettingsTab.vue
+++ b/src/components/common/Settings/ApiSettingsTab.vue
@@ -3,7 +3,7 @@ import { ref, computed, onMounted, onUnmounted, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useApiServerStore, type DataSource, type ImportSession } from '@/stores/apiServer'
 import { storeToRefs } from 'pinia'
-import { SubTabs } from '@/components/UI'
+import { CompactTabs } from '@/components/navigation'
 import { useLayoutStore } from '@/stores/layout'
 import DataSourceAddModal from './API/DataSourceAddModal.vue'
 import DataSourceEditModal from './API/DataSourceEditModal.vue'
@@ -230,7 +230,7 @@ function subscribedRemoteIds(ds: DataSource): Set<string> {
 
 <template>
   <div class="flex h-full flex-col -mx-6 -mt-6">
-    <SubTabs v-model="activeSubTab" :items="subTabs" persist-key="apiSubTab" />
+    <CompactTabs v-model="activeSubTab" :items="subTabs" persist-key="apiSubTab" />
 
     <div class="flex-1 min-h-0 overflow-auto">
       <div class="space-y-6 px-6 pt-4 pb-6">
diff --git a/src/components/common/SettingsModal.vue b/src/components/common/SettingsModal.vue
index 2ee8c0ac..e3b4beec 100644
--- a/src/components/common/SettingsModal.vue
+++ b/src/components/common/SettingsModal.vue
@@ -8,6 +8,7 @@ import BatchManageTab from './Settings/BatchManageTab.vue'
 import StorageTab from './Settings/StorageTab.vue'
 import AboutTab from './Settings/AboutTab.vue'
 import ApiSettingsTab from './Settings/ApiSettingsTab.vue'
+import { PageTabs } from '@/components/navigation'
 import { usePromptStore } from '@/stores/prompt'
 import { useLayoutStore } from '@/stores/layout'
 
@@ -100,22 +101,7 @@ watch(showSettings, async (visible) => {
             />
           </div>
           <!-- Tabs -->
-          <div class="mt-4 flex items-center gap-1 overflow-x-auto pb-3 scrollbar-hide">
-            <button
-              v-for="tab in tabs"
-              :key="tab.id"
-              class="flex items-center gap-2 rounded-lg px-3 py-2 text-sm font-medium transition-all"
-              :class="[
-                activeTab === tab.id
-                  ? 'bg-pink-500 text-white dark:bg-pink-900/30 dark:text-pink-300'
-                  : 'text-gray-600 hover:bg-gray-100 dark:text-gray-400 dark:hover:bg-gray-800',
-              ]"
-              @click="switchTab(tab.id)"
-            >
-              <UIcon :name="tab.icon" class="h-4 w-4" />
-              <span class="whitespace-nowrap">{{ tab.label }}</span>
-            </button>
-          </div>
+          <PageTabs v-model="activeTab" class="mt-4 pb-3" :items="tabs" @change="switchTab" />
         </div>
 
         <div class="relative flex-1">
diff --git a/src/components/common/Sidebar.vue b/src/components/common/Sidebar.vue
index 56102fab..9e736bf8 100644
--- a/src/components/common/Sidebar.vue
+++ b/src/components/common/Sidebar.vue
@@ -17,7 +17,7 @@ import {
   type UpdateNoticeCache,
   type UpdateNoticeState,
 } from './sidebar/updateNotice'
-import SubTabs from '@/components/UI/SubTabs.vue'
+import { CompactTabs } from '@/components/navigation'
 import { useSessionStore } from '@/stores/session'
 import { useLayoutStore } from '@/stores/layout'
 import { usePlatformService } from '@/services'
@@ -481,7 +481,7 @@ function getAvatarColorClass(session: AnalysisSession, isActive: boolean) {
     <div class="flex-1 relative min-h-0 flex flex-col">
       <!-- 筛选与排序 - 固定在顶部，不随列表滚动 -->
       <div v-if="!isCollapsed && sessions.length > 0" class="mb-2">
-        <SubTabs v-model="filterType" :items="filterTabItems" size="sm" :bordered="false">
+        <CompactTabs v-model="filterType" :items="filterTabItems" size="sm" :bordered="false">
           <template #right>
             <div class="flex items-center gap-0.5">
               <UTooltip :text="t('layout.tooltip.search')" :content="{ side: 'bottom' }">
@@ -505,7 +505,7 @@ function getAvatarColorClass(session: AnalysisSession, isActive: boolean) {
               </UTooltip>
             </div>
           </template>
-        </SubTabs>
+        </CompactTabs>
         <!-- 搜索框 -->
         <div v-if="showSearch" class="mt-2 px-4">
           <UInput
diff --git a/src/components/layout/session/SessionAnalysisHeader.vue b/src/components/layout/session/SessionAnalysisHeader.vue
index dcda08d4..b46e51f7 100644
--- a/src/components/layout/session/SessionAnalysisHeader.vue
+++ b/src/components/layout/session/SessionAnalysisHeader.vue
@@ -5,7 +5,7 @@ import { useLayoutStore } from '@/stores/layout'
 import CaptureButton from '@/components/common/CaptureButton.vue'
 import TimeSelect from '@/components/common/TimeSelect.vue'
 import PageHeader from '@/components/layout/PageHeader.vue'
-import PageNavigation from '@/components/navigation/PageNavigation.vue'
+import { PageTabs } from '@/components/navigation'
 import type { TimeRangeValue, TimeSelectState } from '@/components/common/TimeSelect.vue'
 
 interface SessionAnalysisTab {
@@ -99,7 +99,7 @@ const navigationItems = computed(() =>
     </template>
 
     <div class="mt-3 flex items-center justify-between gap-3">
-      <PageNavigation v-model="activeTab" class="min-w-0 shrink" :items="navigationItems" />
+      <PageTabs v-model="activeTab" class="min-w-0 shrink" :items="navigationItems" />
       <!-- AI 对话和实验室都不使用这里的时间范围筛选，因此在这些一级 Tab 下隐藏。 -->
       <TimeSelect
         v-model="timeRangeValue"
diff --git a/src/components/navigation/CompactTabs.vue b/src/components/navigation/CompactTabs.vue
new file mode 100644
index 00000000..c99ab197
--- /dev/null
+++ b/src/components/navigation/CompactTabs.vue
@@ -0,0 +1,40 @@
+<script setup lang="ts">
+import NavigationTabsBase from './NavigationTabsBase.vue'
+import type { NavigationTabItem } from './types'
+
+withDefaults(
+  defineProps<{
+    items: NavigationTabItem[]
+    persistKey?: string
+    orientation?: 'horizontal' | 'vertical'
+    size?: 'sm' | 'md'
+    bordered?: boolean
+  }>(),
+  {
+    orientation: 'horizontal',
+    size: 'md',
+  }
+)
+
+const model = defineModel<string>({ required: true })
+const emit = defineEmits<{
+  change: [value: string]
+}>()
+</script>
+
+<template>
+  <NavigationTabsBase
+    v-model="model"
+    :items="items"
+    :persist-key="persistKey"
+    :orientation="orientation"
+    :size="size"
+    :bordered="bordered"
+    mode="compact"
+    @change="emit('change', $event)"
+  >
+    <template v-if="$slots.right" #right>
+      <slot name="right" />
+    </template>
+  </NavigationTabsBase>
+</template>
diff --git a/src/components/UI/SubTabs.vue b/src/components/navigation/NavigationTabsBase.vue
similarity index 64%
rename from src/components/UI/SubTabs.vue
rename to src/components/navigation/NavigationTabsBase.vue
index 3c596ae7..87e238e7 100644
--- a/src/components/UI/SubTabs.vue
+++ b/src/components/navigation/NavigationTabsBase.vue
@@ -1,32 +1,16 @@
 <script setup lang="ts">
 import { ref, computed, watch, onMounted, nextTick } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-
-/**
- * 轻量级子标签页组件
- * 适用于页面内部的二级导航,使用原生样式
- * 支持通过 persistKey 将选中状态同步到 URL 查询参数
- * 支持水平和垂直两种方向
- */
-interface TabItem {
-  id: string
-  label: string
-  icon?: string
-}
+import type { NavigationTabItem } from './types'
 
 interface Props {
   modelValue: string
-  items: TabItem[]
-  /** 持久化 key，设置后会将当前 tab 状态同步到 URL 查询参数 */
+  items: NavigationTabItem[]
   persistKey?: string
-  /** 方向：horizontal（水平）或 vertical（垂直） */
   orientation?: 'horizontal' | 'vertical'
-  /** 尺寸：sm 适用于侧边栏等紧凑场景 */
   size?: 'sm' | 'md'
-  /** 是否显示底部边框线 */
   bordered?: boolean
-  /** 页面级二级导航使用 page，嵌入式 Tab 保持 default */
-  variant?: 'default' | 'page'
+  mode: 'section' | 'compact'
 }
 
 interface Emits {
@@ -37,24 +21,16 @@ interface Emits {
 const props = withDefaults(defineProps<Props>(), {
   orientation: 'horizontal',
   size: 'md',
-  variant: 'default',
 })
 const emit = defineEmits<Emits>()
 
 const route = useRoute()
 const router = useRouter()
-
-// 是否为垂直模式
 const isVertical = computed(() => props.orientation === 'vertical')
-
-// Tab 按钮引用
 const tabRefs = ref<Record<string, HTMLElement | null>>({})
 const containerRef = ref<HTMLElement | null>(null)
-
-// 激活指示器的样式
 const indicatorStyle = ref<Record<string, string>>({})
 
-// 计算内部值
 const activeTab = computed({
   get: () => props.modelValue,
   set: (value) => {
@@ -63,64 +39,45 @@ const activeTab = computed({
   },
 })
 
-// 更新指示器位置
 function updateIndicator() {
   const activeButton = tabRefs.value[activeTab.value]
-  if (activeButton && containerRef.value) {
-    const containerRect = containerRef.value.getBoundingClientRect()
-    const buttonRect = activeButton.getBoundingClientRect()
+  if (!activeButton || !containerRef.value) return
 
-    if (isVertical.value) {
-      // 垂直模式：指示器在右侧
-      indicatorStyle.value = {
+  const containerRect = containerRef.value.getBoundingClientRect()
+  const buttonRect = activeButton.getBoundingClientRect()
+  indicatorStyle.value = isVertical.value
+    ? {
         top: `${buttonRect.top - containerRect.top}px`,
         height: `${buttonRect.height}px`,
         right: '0px',
         width: '2px',
       }
-    } else {
-      // 水平模式：指示器在底部
-      indicatorStyle.value = {
+    : {
         left: `${buttonRect.left - containerRect.left}px`,
         width: `${buttonRect.width}px`,
         bottom: '0px',
         height: '2px',
       }
-    }
-  }
 }
 
-// 点击标签
-const handleTabClick = (tabId: string) => {
-  activeTab.value = tabId
-}
-
-// 设置 tab 引用
 function setTabRef(id: string, el: HTMLElement | null) {
   tabRefs.value[id] = el
 }
 
-// 从 URL 查询参数恢复 tab 状态
 onMounted(() => {
   if (props.persistKey) {
     const savedTab = route.query[props.persistKey] as string
-    // 验证 savedTab 是否在 items 中存在
     if (savedTab && props.items.some((item) => item.id === savedTab)) {
       activeTab.value = savedTab
     }
   }
-  // 初始更新指示器位置
-  nextTick(() => {
-    updateIndicator()
-  })
+  nextTick(updateIndicator)
 })
 
-// 监听 tab 变化，同步到 URL 查询参数并更新指示器
 watch(
   () => props.modelValue,
   (newValue) => {
     if (props.persistKey && newValue) {
-      // 使用 replace 而不是 push，避免产生大量历史记录
       router.replace({
         query: {
           ...route.query,
@@ -128,21 +85,13 @@ watch(
         },
       })
     }
-    // 更新指示器位置
-    nextTick(() => {
-      updateIndicator()
-    })
+    nextTick(updateIndicator)
   }
 )
 
-// 监听 items 变化，更新指示器位置
 watch(
   () => props.items,
-  () => {
-    nextTick(() => {
-      updateIndicator()
-    })
-  },
+  () => nextTick(updateIndicator),
   { deep: true }
 )
 </script>
@@ -155,7 +104,7 @@ watch(
         : [
             'flex justify-between overflow-x-auto',
             bordered !== false ? 'border-b border-gray-200/50 dark:border-gray-800/50' : '',
-            variant === 'page'
+            mode === 'section'
               ? 'flex-col items-stretch gap-2 pl-7 pr-6 pt-3 xl:flex-row xl:items-center'
               : ['items-center', size === 'sm' ? 'px-3' : 'px-6'],
           ],
@@ -166,6 +115,7 @@ watch(
         v-for="tab in items"
         :key="tab.id"
         :ref="(el) => setTabRef(tab.id, el as HTMLElement)"
+        type="button"
         class="flex shrink-0 items-center whitespace-nowrap font-medium transition-colors"
         :class="[
           isVertical
@@ -177,17 +127,16 @@ watch(
             ? 'text-primary-600 dark:text-primary-400'
             : 'text-gray-500 hover:text-gray-700 dark:text-gray-400 dark:hover:text-gray-300',
         ]"
-        @click="handleTabClick(tab.id)"
+        @click="activeTab = tab.id"
       >
         <UIcon v-if="tab.icon" :name="tab.icon" :class="size === 'sm' ? 'h-3.5 w-3.5' : 'h-4 w-4'" />
         {{ tab.label }}
       </button>
-      <!-- 滑动指示器 -->
       <div class="absolute bg-primary-500 transition-all duration-300 ease-out" :style="indicatorStyle" />
     </div>
-    <!-- 右侧插槽（水平模式可用） -->
-    <template v-if="!isVertical">
-      <div v-if="variant === 'page'" class="flex w-full min-w-0 items-center xl:w-auto xl:justify-end">
+
+    <template v-if="!isVertical && $slots.right">
+      <div v-if="mode === 'section'" class="flex w-full min-w-0 items-center xl:w-auto xl:justify-end">
         <slot name="right" />
       </div>
       <slot v-else name="right" />
diff --git a/src/components/navigation/PageNavigation.vue b/src/components/navigation/PageTabs.vue
similarity index 91%
rename from src/components/navigation/PageNavigation.vue
rename to src/components/navigation/PageTabs.vue
index 759401b7..536c372f 100644
--- a/src/components/navigation/PageNavigation.vue
+++ b/src/components/navigation/PageTabs.vue
@@ -1,17 +1,15 @@
 <script setup lang="ts">
 import { RouterLink, type RouteLocationRaw } from 'vue-router'
+import type { NavigationTabItem } from './types'
 
-interface PageNavItem {
-  id: string
-  label: string
-  icon?: string
+interface PageTabItem extends NavigationTabItem {
   to?: RouteLocationRaw
 }
 
 const props = withDefaults(
   defineProps<{
     modelValue: string
-    items: PageNavItem[]
+    items: PageTabItem[]
     ariaLabel?: string
   }>(),
   {
@@ -24,7 +22,7 @@ const emit = defineEmits<{
   change: [value: string]
 }>()
 
-function selectItem(item: PageNavItem): void {
+function selectItem(item: PageTabItem): void {
   if (item.to || item.id === props.modelValue) return
   emit('update:modelValue', item.id)
   emit('change', item.id)
diff --git a/src/components/navigation/SectionTabs.vue b/src/components/navigation/SectionTabs.vue
new file mode 100644
index 00000000..b2195f04
--- /dev/null
+++ b/src/components/navigation/SectionTabs.vue
@@ -0,0 +1,30 @@
+<script setup lang="ts">
+import NavigationTabsBase from './NavigationTabsBase.vue'
+import type { NavigationTabItem } from './types'
+
+defineProps<{
+  items: NavigationTabItem[]
+  persistKey?: string
+}>()
+
+const model = defineModel<string>({ required: true })
+const emit = defineEmits<{
+  change: [value: string]
+}>()
+</script>
+
+<template>
+  <NavigationTabsBase
+    v-model="model"
+    :items="items"
+    :persist-key="persistKey"
+    mode="section"
+    size="sm"
+    :bordered="false"
+    @change="emit('change', $event)"
+  >
+    <template v-if="$slots.right" #right>
+      <slot name="right" />
+    </template>
+  </NavigationTabsBase>
+</template>
diff --git a/src/components/navigation/index.ts b/src/components/navigation/index.ts
new file mode 100644
index 00000000..5b83920c
--- /dev/null
+++ b/src/components/navigation/index.ts
@@ -0,0 +1,4 @@
+export { default as PageTabs } from './PageTabs.vue'
+export { default as SectionTabs } from './SectionTabs.vue'
+export { default as CompactTabs } from './CompactTabs.vue'
+export type { NavigationTabItem } from './types'
diff --git a/src/components/navigation/types.ts b/src/components/navigation/types.ts
new file mode 100644
index 00000000..da0d3ed6
--- /dev/null
+++ b/src/components/navigation/types.ts
@@ -0,0 +1,5 @@
+export interface NavigationTabItem {
+  id: string
+  label: string
+  icon?: string
+}
diff --git a/src/composables/useAnchorNavigation.ts b/src/composables/useAnchorNavigation.ts
new file mode 100644
index 00000000..99c7cebe
--- /dev/null
+++ b/src/composables/useAnchorNavigation.ts
@@ -0,0 +1,97 @@
+import { ref, onMounted, onUnmounted, type Ref, type ComputedRef } from 'vue'
+
+export interface AnchorNavigationItem {
+  id: string
+  label: string
+  icon?: string
+}
+
+export interface AnchorNavigationOptions {
+  scrollBehavior?: ScrollBehavior
+  scrollLockDuration?: number
+}
+
+/**
+ * 实现锚点导航与内容区域的滚动联动。
+ */
+export function useAnchorNavigation(
+  navItems: ComputedRef<AnchorNavigationItem[]> | Ref<AnchorNavigationItem[]>,
+  options: AnchorNavigationOptions = {}
+) {
+  const scrollBehavior = options.scrollBehavior ?? 'smooth'
+  const scrollLockDuration = options.scrollLockDuration ?? 500
+  const activeNav = ref(navItems.value[0]?.id || '')
+  const isUserClick = ref(false)
+  const scrollContainerRef = ref<HTMLElement | null>(null)
+  const sectionRefs = ref<Record<string, HTMLElement | null>>({})
+
+  function setSectionRef(id: string, el: HTMLElement | null) {
+    sectionRefs.value[id] = el
+  }
+
+  function handleNavChange(id: string) {
+    const section = sectionRefs.value[id]
+    if (!section || !scrollContainerRef.value) return
+
+    isUserClick.value = true
+    section.scrollIntoView({ behavior: scrollBehavior, block: 'start' })
+    setTimeout(() => {
+      isUserClick.value = false
+    }, scrollLockDuration)
+  }
+
+  function handleScroll() {
+    if (isUserClick.value || !scrollContainerRef.value) return
+
+    const container = scrollContainerRef.value
+    const containerRect = container.getBoundingClientRect()
+    const offset = 50
+    const isAtBottom = container.scrollHeight - container.scrollTop - container.clientHeight < 5
+
+    if (isAtBottom) {
+      const lastItem = navItems.value[navItems.value.length - 1]
+      if (lastItem) activeNav.value = lastItem.id
+      return
+    }
+
+    for (const item of navItems.value) {
+      const section = sectionRefs.value[item.id]
+      if (!section) continue
+
+      const rect = section.getBoundingClientRect()
+      if (rect.top <= containerRect.top + offset && rect.bottom > containerRect.top + offset) {
+        activeNav.value = item.id
+        break
+      }
+    }
+  }
+
+  onMounted(() => {
+    scrollContainerRef.value?.addEventListener('scroll', handleScroll)
+  })
+
+  onUnmounted(() => {
+    scrollContainerRef.value?.removeEventListener('scroll', handleScroll)
+  })
+
+  function scrollToId(id: string) {
+    const section = sectionRefs.value[id]
+    if (!section || !scrollContainerRef.value) return
+
+    isUserClick.value = true
+    section.scrollIntoView({ behavior: scrollBehavior, block: 'start' })
+    activeNav.value = id
+    setTimeout(() => {
+      isUserClick.value = false
+    }, scrollLockDuration)
+  }
+
+  return {
+    activeNav,
+    scrollContainerRef,
+    sectionRefs,
+    setSectionRef,
+    handleNavChange,
+    scrollToId,
+  }
+}
diff --git a/src/composables/useSubTabsScroll.ts b/src/composables/useSubTabsScroll.ts
deleted file mode 100644
index 8c07676b..00000000
--- a/src/composables/useSubTabsScroll.ts
+++ /dev/null
@@ -1,131 +0,0 @@
-import { ref, onMounted, onUnmounted, type Ref, type ComputedRef } from 'vue'
-
-/**
- * 导航项配置
- */
-export interface SubTabNavItem {
-  id: string
-  label: string
-  icon?: string
-}
-
-export interface SubTabsScrollOptions {
-  scrollBehavior?: ScrollBehavior
-  scrollLockDuration?: number
-}
-
-/**
- * 二级导航滚动联动 composable
- * 实现左侧锚点导航与右侧内容区域的滚动联动
- */
-export function useSubTabsScroll(
-  navItems: ComputedRef<SubTabNavItem[]> | Ref<SubTabNavItem[]>,
-  options: SubTabsScrollOptions = {}
-) {
-  const scrollBehavior = options.scrollBehavior ?? 'smooth'
-  const scrollLockDuration = options.scrollLockDuration ?? 500
-
-  // 当前激活的导航项
-  const activeNav = ref(navItems.value[0]?.id || '')
-
-  // 是否由用户点击触发（用于区分点击滚动和手动滚动）
-  const isUserClick = ref(false)
-
-  // 滚动容器引用
-  const scrollContainerRef = ref<HTMLElement | null>(null)
-
-  // Section 引用
-  const sectionRefs = ref<Record<string, HTMLElement | null>>({})
-
-  /**
-   * 设置 section 引用
-   */
-  function setSectionRef(id: string, el: HTMLElement | null) {
-    sectionRefs.value[id] = el
-  }
-
-  /**
-   * 处理导航点击（通过 @change 事件）
-   */
-  function handleNavChange(id: string) {
-    const section = sectionRefs.value[id]
-    if (section && scrollContainerRef.value) {
-      // 标记为用户点击触发
-      isUserClick.value = true
-      section.scrollIntoView({ behavior: scrollBehavior, block: 'start' })
-      // 滚动动画结束后恢复
-      setTimeout(() => {
-        isUserClick.value = false
-      }, scrollLockDuration)
-    }
-  }
-
-  /**
-   * 监听滚动更新当前激活项
-   */
-  function handleScroll() {
-    // 如果是用户点击触发的滚动，不更新 activeNav（避免冲突）
-    if (isUserClick.value || !scrollContainerRef.value) return
-
-    const container = scrollContainerRef.value
-    const containerRect = container.getBoundingClientRect()
-    const offset = 50 // 偏移量，提前触发
-
-    // 检查是否滚动到底部（误差范围 5px）
-    const isAtBottom = container.scrollHeight - container.scrollTop - container.clientHeight < 5
-    if (isAtBottom) {
-      // 滚动到底部时，激活最后一个导航项
-      const lastItem = navItems.value[navItems.value.length - 1]
-      if (lastItem) {
-        activeNav.value = lastItem.id
-      }
-      return
-    }
-
-    // 检查每个 section 的位置
-    for (const item of navItems.value) {
-      const section = sectionRefs.value[item.id]
-      if (section) {
-        const rect = section.getBoundingClientRect()
-        // 如果 section 顶部在容器可视区域内
-        if (rect.top <= containerRect.top + offset && rect.bottom > containerRect.top + offset) {
-          activeNav.value = item.id
-          break
-        }
-      }
-    }
-  }
-
-  // 生命周期钩子
-  onMounted(() => {
-    scrollContainerRef.value?.addEventListener('scroll', handleScroll)
-  })
-
-  onUnmounted(() => {
-    scrollContainerRef.value?.removeEventListener('scroll', handleScroll)
-  })
-
-  /**
-   * 程序化滚动到指定 section（供外部调用）
-   */
-  function scrollToId(id: string) {
-    const section = sectionRefs.value[id]
-    if (section && scrollContainerRef.value) {
-      isUserClick.value = true
-      section.scrollIntoView({ behavior: scrollBehavior, block: 'start' })
-      activeNav.value = id
-      setTimeout(() => {
-        isUserClick.value = false
-      }, scrollLockDuration)
-    }
-  }
-
-  return {
-    activeNav,
-    scrollContainerRef,
-    sectionRefs,
-    setSectionRef,
-    handleNavChange,
-    scrollToId,
-  }
-}
diff --git a/src/pages/group-chat/components/QuotesTab.vue b/src/pages/group-chat/components/QuotesTab.vue
index 06d3c3dc..94869d02 100644
--- a/src/pages/group-chat/components/QuotesTab.vue
+++ b/src/pages/group-chat/components/QuotesTab.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { ref, computed } from 'vue'
 import { useI18n } from 'vue-i18n'
-import { SubTabs } from '@/components/UI'
+import { SectionTabs } from '@/components/navigation'
 import { CatchphraseTab, HotRepeatTab } from '@/components/analysis/quotes'
 import type { TimeFilter } from '@openchatlab/shared-types'
 
@@ -28,7 +28,7 @@ const activeSubTab = ref('hot-repeat')
 <template>
   <div class="flex h-full flex-col">
     <!-- 子 Tab 导航 -->
-    <SubTabs v-model="activeSubTab" :items="subTabs" persist-key="quotesTab" />
+    <SectionTabs v-model="activeSubTab" :items="subTabs" persist-key="quotesTab" />
 
     <!-- 子 Tab 内容 -->
     <div class="flex-1 min-h-0 overflow-auto">
diff --git a/src/pages/group-chat/components/ViewTab.vue b/src/pages/group-chat/components/ViewTab.vue
index 2c4b2051..501c765c 100644
--- a/src/pages/group-chat/components/ViewTab.vue
+++ b/src/pages/group-chat/components/ViewTab.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { ref, computed } from 'vue'
 import { useI18n } from 'vue-i18n'
-import { SubTabs } from '@/components/UI'
+import { SectionTabs } from '@/components/navigation'
 import UserSelect from '@/components/common/UserSelect.vue'
 import TypeAnalysisView from '@/components/analysis/message/TypeAnalysisView.vue'
 import TimeAnalysisView from '@/components/analysis/message/TimeAnalysisView.vue'
@@ -50,18 +50,11 @@ const viewTimeFilter = computed(() => ({
 
 <template>
   <div class="flex h-full flex-col">
-    <SubTabs
-      v-model="activeSubTab"
-      :items="subTabs"
-      persist-key="groupViewTab"
-      size="sm"
-      variant="page"
-      :bordered="false"
-    >
+    <SectionTabs v-model="activeSubTab" :items="subTabs" persist-key="groupViewTab">
       <template #right>
         <UserSelect v-if="activeSubTab !== 'topic'" v-model="selectedMemberId" :session-id="props.sessionId" />
       </template>
-    </SubTabs>
+    </SectionTabs>
 
     <div class="flex-1 min-h-0 overflow-y-auto">
       <Transition name="fade" mode="out-in">
diff --git a/src/pages/group-chat/components/view/GroupRelationships.vue b/src/pages/group-chat/components/view/GroupRelationships.vue
index ad4f7768..0197e9cc 100644
--- a/src/pages/group-chat/components/view/GroupRelationships.vue
+++ b/src/pages/group-chat/components/view/GroupRelationships.vue
@@ -5,7 +5,7 @@
  */
 import { ref, computed } from 'vue'
 import { useI18n } from 'vue-i18n'
-import { SubTabs } from '@/components/UI'
+import { SectionTabs } from '@/components/navigation'
 import InteractionView from '@/components/analysis/relationships/InteractionView.vue'
 import Relationships from './Relationships.vue'
 import ClusterView from '@/components/analysis/relationships/ClusterView.vue'
@@ -33,7 +33,7 @@ const subTabs = computed(() => [
 
 <template>
   <div class="flex h-full flex-col">
-    <SubTabs v-model="activeSubTab" :items="subTabs" persist-key="groupRelationshipsTab" size="sm" />
+    <SectionTabs v-model="activeSubTab" :items="subTabs" persist-key="groupRelationshipsTab" />
 
     <div class="min-h-0 flex-1 overflow-y-auto">
       <Transition name="fade" mode="out-in">
diff --git a/src/pages/people/contacts/index.vue b/src/pages/people/contacts/index.vue
index e0127435..d1f43a2e 100644
--- a/src/pages/people/contacts/index.vue
+++ b/src/pages/people/contacts/index.vue
@@ -14,7 +14,8 @@ import type {
 import { useDataService } from '@/services'
 import { useToast } from '@/composables/useToast'
 import { useLayoutStore } from '@/stores/layout'
-import { LoadingState, SubTabs, ThemeCard } from '@/components/UI'
+import { LoadingState, ThemeCard } from '@/components/UI'
+import { SectionTabs } from '@/components/navigation'
 import { usePeoplePageHeader } from '../people-page-header'
 import ContactDetailPanel from './components/ContactDetailPanel.vue'
 import ContactsStatusBlocks from './components/ContactsStatusBlocks.vue'
@@ -848,13 +849,10 @@ function getGroupSectionScrollTop(): number | null {
 
 <template>
   <div class="flex min-h-0 flex-1 flex-col text-gray-900 dark:bg-page-dark dark:text-gray-100">
-    <SubTabs
+    <SectionTabs
       v-model="activeContactSection"
       :items="contactTabs"
       persist-key="contactsTab"
-      size="sm"
-      variant="page"
-      :bordered="false"
       @change="handleContactTabChange"
     >
       <template #right>
@@ -887,11 +885,11 @@ function getGroupSectionScrollTop(): number | null {
           </UInput>
         </div>
       </template>
-    </SubTabs>
+    </SectionTabs>
 
     <div class="flex min-h-0 flex-1 overflow-hidden">
       <main class="min-h-0 min-w-0 flex-1 overflow-hidden">
-        <div class="flex h-full min-h-0 w-full flex-col gap-6 px-6 pb-6 pt-4">
+        <div class="flex h-full min-h-0 w-full flex-col gap-6 px-6 pb-3 pt-4">
           <ContactsStatusBlocks
             :show-disabled-notice="showDisabledNotice"
             :active-private-session-count="diagnostics?.activePrivateSessionCount ?? 0"
diff --git a/src/pages/people/index.vue b/src/pages/people/index.vue
index 9cb33b7e..0250e567 100644
--- a/src/pages/people/index.vue
+++ b/src/pages/people/index.vue
@@ -3,7 +3,7 @@ import { computed } from 'vue'
 import { RouterView, useRoute } from 'vue-router'
 import { useI18n } from 'vue-i18n'
 import PageHeader from '@/components/layout/PageHeader.vue'
-import PageNavigation from '@/components/navigation/PageNavigation.vue'
+import { PageTabs } from '@/components/navigation'
 import { providePeoplePageHeader, type PeoplePageHeaderConfig, type PeopleSubpage } from './people-page-header'
 
 const { t } = useI18n()
@@ -75,7 +75,7 @@ const { header } = providePeoplePageHeader(defaultHeader)
         </UButton>
       </template>
 
-      <PageNavigation
+      <PageTabs
         class="mt-3 pb-1.5"
         :model-value="activeSubpage"
         :items="navigationItems"
@@ -92,7 +92,7 @@ const { header } = providePeoplePageHeader(defaultHeader)
             </template>
           </div>
         </template>
-      </PageNavigation>
+      </PageTabs>
     </PageHeader>
 
     <RouterView v-slot="{ Component }">
diff --git a/src/pages/private-chat/components/ViewTab.vue b/src/pages/private-chat/components/ViewTab.vue
index 5d42bdb5..502c4690 100644
--- a/src/pages/private-chat/components/ViewTab.vue
+++ b/src/pages/private-chat/components/ViewTab.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { ref, computed } from 'vue'
 import { useI18n } from 'vue-i18n'
-import { SubTabs } from '@/components/UI'
+import { SectionTabs } from '@/components/navigation'
 import UserSelect from '@/components/common/UserSelect.vue'
 import TypeAnalysisView from '@/components/analysis/message/TypeAnalysisView.vue'
 import TimeAnalysisView from '@/components/analysis/message/TimeAnalysisView.vue'
@@ -38,14 +38,7 @@ const viewTimeFilter = computed(() => ({
 
 <template>
   <div class="flex h-full flex-col">
-    <SubTabs
-      v-model="activeSubTab"
-      :items="subTabs"
-      persist-key="privateViewTab"
-      size="sm"
-      variant="page"
-      :bordered="false"
-    >
+    <SectionTabs v-model="activeSubTab" :items="subTabs" persist-key="privateViewTab">
       <template #right>
         <UserSelect
           v-if="activeSubTab === 'type-analysis' || activeSubTab === 'time-analysis'"
@@ -53,7 +46,7 @@ const viewTimeFilter = computed(() => ({
           :session-id="props.sessionId"
         />
       </template>
-    </SubTabs>
+    </SectionTabs>
 
     <div class="flex-1 min-h-0 overflow-auto">
       <Transition name="fade" mode="out-in">