diff --git a/client/src/views/practice/PracticeView.vue b/client/src/views/practice/PracticeView.vue
index 3579204..70b5638 100644
--- a/client/src/views/practice/PracticeView.vue
+++ b/client/src/views/practice/PracticeView.vue
@@ -209,13 +209,13 @@ const subtitle = computed(() => {
               :class="{ 'module-card--active': activeModule === m.name }"
               @click="selectModule = m.name"
             >
-              <div class="module-card__row">
+              <AppStack direction="row" class="module-card__row">
                 <span class="module-card__name">{{ m.name }}</span>
                 <span v-if="activeModule === m.name" class="module-card__check">
                   <AppIcon name="check" :size="14" />
                 </span>
-              </div>
-              <div class="module-card__meta">
+              </AppStack>
+              <AppStack direction="row" gap="space-1" class="module-card__meta">
                 <span class="module-card__count">{{ m.total }} 题</span>
                 <span class="module-card__dot">·</span>
                 <span
@@ -224,7 +224,7 @@ const subtitle = computed(() => {
                 >
                   掌握度 {{ formatPercent(masteryByModule.get(m.name) ?? 0) }}
                 </span>
-              </div>
+              </AppStack>
             </button>
           </div>
           <AppEmpty v-if="(modules.data.value?.modules.length ?? 0) === 0" title="还没有题目" description="请先到题库管理导入题目，再开始刷题。">
@@ -260,10 +260,10 @@ const subtitle = computed(() => {
           <AppEmpty v-if="reasons.length === 0" icon="chart" title="暂无错因数据" description="完成刷题后根据错题统计错因分布。" />
           <div v-else class="reason-bars">
             <div v-for="r in reasons" :key="r.reason" class="reason-bar">
-              <div class="reason-bar__row">
+              <AppStack direction="row" class="reason-bar__row">
                 <span class="reason-bar__label">{{ r.reason }}</span>
                 <span class="reason-bar__pct">{{ formatPercent(r.percent) }}</span>
-              </div>
+              </AppStack>
               <div class="reason-bar__track">
                 <div class="reason-bar__fill" :style="{ width: `${r.percent}%` }" />
               </div>
@@ -282,15 +282,15 @@ const subtitle = computed(() => {
                 class="pending-item"
                 :to="{ name: 'practice-wrong' }"
               >
-                <div class="pending-item__meta">
+                <AppStack direction="row" gap="space-2" class="pending-item__meta">
                   <span class="pending-item__module">{{ item.module }}</span>
                   <span class="pending-item__sub">{{ item.subModule }}</span>
-                </div>
+                </AppStack>
                 <div class="pending-item__text">{{ item.stem }}</div>
-                <div class="pending-item__foot">
+                <AppStack direction="row" class="pending-item__foot">
                   <span class="pending-item__reason">{{ item.wrongReason }}</span>
                   <span class="pending-item__count">已复习 {{ item.reviewCount }} 次</span>
-                </div>
+                </AppStack>
               </RouterLink>
             </div>
           </AppCard>
@@ -372,13 +372,13 @@ const subtitle = computed(() => {
             class="wrong-book-item"
             :to="{ name: 'practice-wrong-detail', params: { id: item.id } }"
           >
-            <div class="wrong-book-item__head">
+            <AppStack direction="row" gap="space-2" class="wrong-book-item__head">
               <div class="wrong-book-item__tags">
                 <AppBadge variant="primary">{{ item.module }}</AppBadge>
                 <AppBadge v-if="item.subModule" variant="soft">{{ item.subModule }}</AppBadge>
               </div>
               <AppBadge :variant="wrongStatusVariant(item.status)">{{ wrongStatusLabel(item.status) }}</AppBadge>
-            </div>
+            </AppStack>
             <p class="wrong-book-item__stem">{{ item.stem }}</p>
             <div class="wrong-book-item__foot">
               <span v-if="item.wrongReason" class="wrong-book-item__reason">错因 · {{ item.wrongReason }}</span>
@@ -462,9 +462,8 @@ const subtitle = computed(() => {
   box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 14%, transparent);
 }
 .module-card__row {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
+  --stack-align: center;
+  --stack-justify: space-between;
 }
 .module-card__name {
   font-size: var(--fs-card-title);
@@ -481,9 +480,7 @@ const subtitle = computed(() => {
   color: var(--on-accent);
 }
 .module-card__meta {
-  display: flex;
-  align-items: center;
-  gap: var(--space-1);
+  --stack-align: center;
   font-size: var(--fs-label);
   color: var(--text-secondary);
 }
@@ -531,9 +528,8 @@ const subtitle = computed(() => {
   gap: var(--space-3);
 }
 .reason-bar__row {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
+  --stack-align: center;
+  --stack-justify: space-between;
   margin-bottom: var(--space-1);
   font-size: var(--fs-subtitle);
 }
@@ -579,9 +575,7 @@ const subtitle = computed(() => {
   padding-block: var(--space-1);
 }
 .pending-item__meta {
-  display: flex;
-  align-items: center;
-  gap: var(--space-2);
+  --stack-align: center;
   font-size: var(--fs-label);
 }
 .pending-item__module {
@@ -601,9 +595,8 @@ const subtitle = computed(() => {
   overflow: hidden;
 }
 .pending-item__foot {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
+  --stack-align: center;
+  --stack-justify: space-between;
   font-size: var(--fs-label);
   color: var(--text-secondary);
 }
@@ -679,10 +672,8 @@ const subtitle = computed(() => {
   box-shadow: var(--shadow-level-1);
 }
 .wrong-book-item__head {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: var(--space-2);
+  --stack-align: center;
+  --stack-justify: space-between;
 }
 .wrong-book-item__tags {
   display: flex;