diff --git a/client/src/views/dashboard/DashboardView.vue b/client/src/views/dashboard/DashboardView.vue
index c332172..777a24c 100644
--- a/client/src/views/dashboard/DashboardView.vue
+++ b/client/src/views/dashboard/DashboardView.vue
@@ -7,6 +7,7 @@ import { useProfileStore } from '../../stores/profile'
 import { formatDateShort, formatMinutes, greetingByHour } from '../../utils/format'
 import AppCard from '../../components/base/AppCard.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 import AppEmpty from '../../components/feedback/AppEmpty.vue'
 import AppBadge from '../../components/base/AppBadge.vue'
@@ -73,7 +74,7 @@ const mockDelta = computed(() => {
 </script>
 
 <template>
-  <div class="dashboard">
+  <AppStack class="dashboard">
     <!-- 加载 / 错误 / 全局空态 -->
     <AppLoading v-if="overview.loading.value" fullscreen />
     <AppError
@@ -233,15 +234,10 @@ const mockDelta = computed(() => {
         <WeakPointsCard :weak-points="weakItems" compact />
       </div>
     </div>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.dashboard {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 .num {
   font-family: var(--font-num);
   font-weight: 700;
diff --git a/client/src/views/mock/MockFormView.vue b/client/src/views/mock/MockFormView.vue
index ccc5264..71e4f5e 100644
--- a/client/src/views/mock/MockFormView.vue
+++ b/client/src/views/mock/MockFormView.vue
@@ -9,6 +9,7 @@ import AppButton from '../../components/base/AppButton.vue'
 import AppIcon from '../../components/base/AppIcon.vue'
 import AppPageHeader from '../../components/base/AppPageHeader.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 
 const route = useRoute()
@@ -129,7 +130,7 @@ watch(
 </script>
 
 <template>
-  <div class="mock-form">
+  <AppStack class="mock-form">
     <AppPageHeader :title="title" subtitle="仅支持行测五个模块分数，总分自动汇总" sticky-mobile>
       <AppButton variant="ghost" @click="back">
         <AppIcon name="chevron-left" :size="16" />返回模考分析
@@ -211,15 +212,10 @@ watch(
         </AppButton>
       </AppCard>
     </template>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.mock-form {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 .mock-form__card {
   max-width: 640px;
 }
diff --git a/client/src/views/news/NewsDetailView.vue b/client/src/views/news/NewsDetailView.vue
index 6f88e77..b686cdd 100644
--- a/client/src/views/news/NewsDetailView.vue
+++ b/client/src/views/news/NewsDetailView.vue
@@ -6,6 +6,7 @@ import { useRequest } from '../../composables/useRequest'
 import { renderMarkdown } from '../../utils/markdown'
 import { formatDateShort } from '../../utils/format'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 import AppEmpty from '../../components/feedback/AppEmpty.vue'
 import AppPageHeader from '../../components/base/AppPageHeader.vue'
@@ -19,7 +20,7 @@ const html = computed(() => renderMarkdown(detail.data.value?.content ?? ''))
 </script>
 
 <template>
-  <div class="news-detail">
+  <AppStack class="news-detail" gap="0">
     <AppLoading v-if="detail.loading.value" fullscreen />
     <AppError
       v-else-if="detail.error.value"
@@ -49,14 +50,10 @@ const html = computed(() => renderMarkdown(detail.data.value?.content ?? ''))
     </template>
 
     <AppEmpty v-else icon="news" title="该要闻不存在" description="可能已被删除或链接有误。" />
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.news-detail {
-  display: flex;
-  flex-direction: column;
-}
 .news-detail__head {
   margin-bottom: var(--space-4);
 }
diff --git a/client/src/views/plan/PlanReviewView.vue b/client/src/views/plan/PlanReviewView.vue
index 85ce1d1..b2e707e 100644
--- a/client/src/views/plan/PlanReviewView.vue
+++ b/client/src/views/plan/PlanReviewView.vue
@@ -6,6 +6,7 @@ import { formatDateShort, formatMinutes, weekdayName } from '../../utils/format'
 import AppCard from '../../components/base/AppCard.vue'
 import AppPageHeader from '../../components/base/AppPageHeader.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 import AppEmpty from '../../components/feedback/AppEmpty.vue'
 
@@ -31,7 +32,7 @@ const weakTone = ['danger', 'warning', 'primary']
 </script>
 
 <template>
-  <div class="review">
+  <AppStack class="review">
     <AppLoading v-if="review.loading.value" fullscreen />
     <AppError
       v-else-if="review.error.value"
@@ -107,15 +108,10 @@ const weakTone = ['danger', 'warning', 'primary']
         </ul>
       </AppCard>
     </template>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.review {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 .review__title {
   margin: 0;
   font-size: var(--fs-h1);
diff --git a/client/src/views/plan/PlanView.vue b/client/src/views/plan/PlanView.vue
index 74d1a9b..aa4397b 100644
--- a/client/src/views/plan/PlanView.vue
+++ b/client/src/views/plan/PlanView.vue
@@ -12,6 +12,7 @@ import AppIcon from '../../components/base/AppIcon.vue'
 import AppModal from '../../components/base/AppModal.vue'
 import AppPageHeader from '../../components/base/AppPageHeader.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 import AppEmpty from '../../components/feedback/AppEmpty.vue'
 
@@ -134,7 +135,7 @@ const profileDays = computed(() => (examProfile.data.value ? daysSince(examProfi
 </script>
 
 <template>
-  <div class="plan">
+  <AppStack class="plan">
     <AppLoading v-if="today.loading.value" fullscreen />
     <AppError
       v-else-if="today.error.value"
@@ -359,15 +360,10 @@ const profileDays = computed(() => (examProfile.data.value ? daysSince(examProfi
         </AppButton>
       </template>
     </AppModal>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.plan {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 /* 指标卡 */
 .plan-metrics {
   display: grid;
diff --git a/client/src/views/practice/AiExplainView.vue b/client/src/views/practice/AiExplainView.vue
index 7befba8..b0e9cbe 100644
--- a/client/src/views/practice/AiExplainView.vue
+++ b/client/src/views/practice/AiExplainView.vue
@@ -9,6 +9,7 @@ import AppIcon from '../../components/base/AppIcon.vue'
 import AppBadge from '../../components/base/AppBadge.vue'
 import AppPageHeader from '../../components/base/AppPageHeader.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 
 const route = useRoute()
@@ -63,7 +64,7 @@ const mistakeText = computed(() => {
 </script>
 
 <template>
-  <div class="ai-explain">
+  <AppStack class="ai-explain">
     <AppLoading v-if="loading" fullscreen text="正在生成讲解…" />
     <AppError v-else-if="error" fullscreen title="讲解加载失败" :message="error" retry @retry="load" />
 
@@ -119,15 +120,10 @@ const mistakeText = computed(() => {
         <AppIcon name="chevron-left" :size="16" />返回
       </AppButton>
     </template>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.ai-explain {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 .ai-explain__summary {
   margin: 0;
   font-size: var(--fs-body);
diff --git a/client/src/views/practice/AnswerView.vue b/client/src/views/practice/AnswerView.vue
index 12f23f4..02089e1 100644
--- a/client/src/views/practice/AnswerView.vue
+++ b/client/src/views/practice/AnswerView.vue
@@ -8,6 +8,7 @@ import AppButton from '../../components/base/AppButton.vue'
 import AppBadge from '../../components/base/AppBadge.vue'
 import AppIcon from '../../components/base/AppIcon.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 import { formatDuration } from '../../utils/format'
 
@@ -155,7 +156,7 @@ const finishAccuracy = computed(() => finishResult.value?.accuracy ?? 0)
 </script>
 
 <template>
-  <div class="answer">
+  <AppStack class="answer">
     <!-- ============ 整卷结果页 ============ -->
     <div v-if="finished && finishResult" class="result">
       <header class="result__head">
@@ -316,15 +317,10 @@ const finishAccuracy = computed(() => finishResult.value?.accuracy ?? 0)
         </AppButton>
       </template>
     </div>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.answer {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 
 /* 顶部栏 */
 .answer__top {
diff --git a/client/src/views/practice/CustomView.vue b/client/src/views/practice/CustomView.vue
index 751a4c0..8ae4621 100644
--- a/client/src/views/practice/CustomView.vue
+++ b/client/src/views/practice/CustomView.vue
@@ -8,7 +8,9 @@ import AppPageHeader from '../../components/base/AppPageHeader.vue'
 import AppCard from '../../components/base/AppCard.vue'
 import AppButton from '../../components/base/AppButton.vue'
 import AppBadge from '../../components/base/AppBadge.vue'
+import AppIcon from '../../components/base/AppIcon.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 import AppEmpty from '../../components/feedback/AppEmpty.vue'
 import { useToast } from '../../composables/useToast'
@@ -74,7 +76,7 @@ function back() {
 </script>
 
 <template>
-  <div class="custom">
+  <AppStack class="custom">
     <AppPageHeader title="自定义组卷" subtitle="从题库中勾选题目，组成一套专属练习">
       <AppButton variant="ghost" icon="chevron-left" @click="back">返回</AppButton>
     </AppPageHeader>
@@ -123,15 +125,10 @@ function back() {
         </AppButton>
       </div>
     </template>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.custom {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 .custom__toolbar {
   display: flex;
   align-items: center;
diff --git a/client/src/views/practice/EssayView.vue b/client/src/views/practice/EssayView.vue
index 7ff97b4..8e07b19 100644
--- a/client/src/views/practice/EssayView.vue
+++ b/client/src/views/practice/EssayView.vue
@@ -2,6 +2,7 @@
 import AppCard from '../../components/base/AppCard.vue'
 import AppBadge from '../../components/base/AppBadge.vue'
 import AppIcon from '../../components/base/AppIcon.vue'
+import AppStack from '../../components/base/AppStack.vue'
 
 const QUESTION_TYPES = [
   { name: '归纳概括', desc: '概括给定资料的主要内容或问题' },
@@ -13,7 +14,7 @@ const QUESTION_TYPES = [
 </script>
 
 <template>
-  <div class="essay">
+  <AppStack class="essay">
     <!-- 功能说明 -->
     <AppCard title="申论功能说明" icon="book-open">
       <p class="essay__intro">
@@ -53,15 +54,10 @@ const QUESTION_TYPES = [
         <p>当前为占位页面，不保存任何写作内容。建议先完成行测「刷题 → 错题复习 → 模考分析」闭环。</p>
       </div>
     </AppCard>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.essay {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 .essay__intro {
   margin: 0 0 var(--space-4);
   font-size: var(--fs-body);
diff --git a/client/src/views/practice/PracticeView.vue b/client/src/views/practice/PracticeView.vue
index 5d3917a..3579204 100644
--- a/client/src/views/practice/PracticeView.vue
+++ b/client/src/views/practice/PracticeView.vue
@@ -12,6 +12,7 @@ import AppButton from '../../components/base/AppButton.vue'
 import AppBadge from '../../components/base/AppBadge.vue'
 import AppIcon from '../../components/base/AppIcon.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 import AppEmpty from '../../components/feedback/AppEmpty.vue'
 import EssayView from './EssayView.vue'
@@ -160,7 +161,7 @@ const subtitle = computed(() => {
 </script>
 
 <template>
-  <div class="practice">
+  <AppStack class="practice">
     <AppPageHeader title="刷题中心" :subtitle="subtitle" :stack-mobile="true">
       <template v-if="tab === 'practice'">
         <AppButton variant="secondary" icon="plus" @click="goCustom">自定义组卷</AppButton>
@@ -393,15 +394,10 @@ const subtitle = computed(() => {
     <template v-else>
       <EssayView />
     </template>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.practice {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 
 /* 子 tab */
 .practice-tabs {
diff --git a/client/src/views/profile/ProfileView.vue b/client/src/views/profile/ProfileView.vue
index bb48572..deba70d 100644
--- a/client/src/views/profile/ProfileView.vue
+++ b/client/src/views/profile/ProfileView.vue
@@ -12,6 +12,7 @@ import AppButton from '../../components/base/AppButton.vue'
 import AppIcon from '../../components/base/AppIcon.vue'
 import AppPageHeader from '../../components/base/AppPageHeader.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 
 const { isMobile } = useResponsive()
@@ -73,7 +74,7 @@ function editProfile() {
 </script>
 
 <template>
-  <div class="profile">
+  <AppStack class="profile">
     <AppLoading v-if="overview.loading.value" fullscreen />
     <AppError
       v-else-if="overview.error.value"
@@ -243,15 +244,10 @@ function editProfile() {
         <RouterLink class="tip-banner__action" to="/plan/review">去加强</RouterLink>
       </div>
     </div>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.profile {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 
 /* 头像卡 */
 .me-card {
diff --git a/client/src/views/questions/QuestionsView.vue b/client/src/views/questions/QuestionsView.vue
index 95866a1..a87e3cc 100644
--- a/client/src/views/questions/QuestionsView.vue
+++ b/client/src/views/questions/QuestionsView.vue
@@ -13,6 +13,7 @@ import AppModal from '../../components/base/AppModal.vue'
 import AppPageHeader from '../../components/base/AppPageHeader.vue'
 import AppBadge from '../../components/base/AppBadge.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 import AppEmpty from '../../components/feedback/AppEmpty.vue'
 
@@ -323,7 +324,7 @@ function markAnswer(key: OptionKey) {
 </script>
 
 <template>
-  <div class="questions">
+  <AppStack class="questions" gap="space-4">
     <!-- ======================= 手动录入模式 ======================= -->
     <template v-if="mode === 'entry'">
       <AppPageHeader title="题库管理" subtitle="手动录入题目 · 支持逐题与批量 JSON 导入" sticky-mobile>
@@ -627,15 +628,10 @@ function markAnswer(key: OptionKey) {
         </AppButton>
       </template>
     </AppModal>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.questions {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-4);
-}
 
 /* ---------- 录入模式 ---------- */
 .entry {
diff --git a/client/src/views/settings/SettingsView.vue b/client/src/views/settings/SettingsView.vue
index 5078320..9845fbf 100644
--- a/client/src/views/settings/SettingsView.vue
+++ b/client/src/views/settings/SettingsView.vue
@@ -11,6 +11,7 @@ import AppBadge from '../../components/base/AppBadge.vue'
 import AppIcon from '../../components/base/AppIcon.vue'
 import AppPageHeader from '../../components/base/AppPageHeader.vue'
 import AppLoading from '../../components/feedback/AppLoading.vue'
+import AppStack from '../../components/base/AppStack.vue'
 import AppError from '../../components/feedback/AppError.vue'
 
 const { isMobile } = useResponsive()
@@ -83,7 +84,7 @@ async function save() {
 </script>
 
 <template>
-  <div class="settings">
+  <AppStack class="settings">
     <AppLoading v-if="settings.loading.value" fullscreen />
     <AppError
       v-else-if="settings.error.value"
@@ -199,15 +200,10 @@ async function save() {
         </div>
       </AppCard>
     </template>
-  </div>
+  </AppStack>
 </template>
 
 <style scoped>
-.settings {
-  display: flex;
-  flex-direction: column;
-  gap: var(--space-5);
-}
 
 .setting-row {
   display: flex;