diff --git a/frontend/pages/dashboard/components/CollectionMatrix.vue b/frontend/pages/dashboard/components/CollectionMatrix.vue
new file mode 100644
index 0000000..a40c085
--- /dev/null
+++ b/frontend/pages/dashboard/components/CollectionMatrix.vue
@@ -0,0 +1,40 @@
+<template>
+  <view class="collection-matrix">
+    <text class="section-title">藏品矩阵</text>
+
+    <!-- TOP 5 -->
+    <TopFiveAssets :items="topFive || []" />
+
+    <!-- 后续 Task 11/12 在此追加 LevelDistribution / UpcomingUpgrades / RecentUpgrades -->
+  </view>
+</template>
+
+<script setup>
+import TopFiveAssets from './TopFiveAssets.vue'
+
+defineProps({
+  topFive: { type: Array, default: () => [] },
+  levels: { type: Array, default: () => [] },
+  upgrades: { type: Object, default: () => ({ upcoming: [], recent: [] }) },
+})
+</script>
+
+<style lang="scss" scoped>
+.collection-matrix {
+  background: rgba(255, 255, 255, 0.12);
+  backdrop-filter: blur(10px);
+  border-radius: 22rpx;
+  padding: 24rpx;
+  margin: 24rpx 0;
+  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
+}
+
+.section-title {
+  display: block;
+  font-size: 36rpx;
+  font-weight: 700;
+  color: #ffffff;
+  margin-bottom: 24rpx;
+  text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.3);
+}
+</style>
diff --git a/frontend/pages/dashboard/components/TopFiveAssets.vue b/frontend/pages/dashboard/components/TopFiveAssets.vue
new file mode 100644
index 0000000..d157319
--- /dev/null
+++ b/frontend/pages/dashboard/components/TopFiveAssets.vue
@@ -0,0 +1,111 @@
+<template>
+  <view class="top-five-card">
+    <text class="card-title">历史藏品收益 TOP 5</text>
+    <view v-if="!items || items.length === 0" class="empty-row">
+      <text class="empty-text">暂无数据</text>
+    </view>
+    <view v-else class="top-five-row">
+      <view
+        v-for="item in items"
+        :key="item.asset_id"
+        class="top-cell"
+      >
+        <view class="top-thumb" :class="`top-grad-${item.rank}`">
+          <text class="top-emoji">🏆</text>
+        </view>
+        <view class="top-badge" :class="`top-badge-${item.rank}`">
+          <text class="top-badge-text">TOP {{ item.rank }}</text>
+        </view>
+      </view>
+    </view>
+  </view>
+</template>
+
+<script setup>
+defineProps({
+  items: { type: Array, default: () => [] }, // TopAssetItem[]
+})
+</script>
+
+<style lang="scss" scoped>
+.top-five-card {
+  background: rgba(255, 255, 255, 0.1);
+  border-radius: 17rpx;
+  padding: 20rpx;
+  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
+}
+
+.card-title {
+  display: block;
+  font-size: 28rpx;
+  font-weight: 600;
+  color: #ffffff;
+  margin-bottom: 16rpx;
+}
+
+.top-five-row {
+  display: flex;
+  justify-content: space-between;
+  gap: 8rpx;
+}
+
+.top-cell {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.top-thumb {
+  width: 100rpx;
+  height: 100rpx;
+  border-radius: 12rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  margin-bottom: 8rpx;
+  box-shadow: 0 0 12px rgba(255, 200, 100, 0.3);
+}
+
+.top-grad-1 { background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%); }
+.top-grad-2 { background: linear-gradient(135deg, #C0C0C0 0%, #808080 100%); }
+.top-grad-3 { background: linear-gradient(135deg, #CD7F32 0%, #8B4513 100%); }
+.top-grad-4 { background: linear-gradient(135deg, #B17BFF 0%, #FF8FE6 100%); }
+.top-grad-5 { background: linear-gradient(135deg, #5EDFFF 0%, #6FA9FF 100%); }
+
+.top-emoji {
+  font-size: 48rpx;
+}
+
+.top-badge {
+  padding: 4rpx 12rpx;
+  border-radius: 8rpx;
+  opacity: 0.85;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.top-badge-1 { background: linear-gradient(90deg, #FFD700 0%, #FFA500 100%); }
+.top-badge-2 { background: linear-gradient(90deg, #C0C0C0 0%, #808080 100%); }
+.top-badge-3 { background: linear-gradient(90deg, #CD7F32 0%, #8B4513 100%); }
+.top-badge-4 { background: linear-gradient(90deg, #B17BFF 0%, #FF8FE6 100%); }
+.top-badge-5 { background: linear-gradient(90deg, #5EDFFF 0%, #6FA9FF 100%); }
+
+.top-badge-text {
+  font-size: 18rpx;
+  font-weight: 700;
+  color: #ffffff;
+  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
+}
+
+.empty-row {
+  height: 120rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.empty-text {
+  color: rgba(255, 255, 255, 0.5);
+  font-size: 24rpx;
+}
+</style>
diff --git a/frontend/pages/dashboard/dashboard.vue b/frontend/pages/dashboard/dashboard.vue
index 96d6e26..2b9da89 100644
--- a/frontend/pages/dashboard/dashboard.vue
+++ b/frontend/pages/dashboard/dashboard.vue
@@ -32,6 +32,11 @@
         :error="error.likeIncome"
         @retry="refresh('likeIncome')"
       />
+      <CollectionMatrix
+        :top-five="data.topAssets?.items || []"
+        :levels="data.levels?.items || []"
+        :upgrades="data.upgrades || { upcoming: [], recent: [] }"
+      />
     </view>
 
     <!-- Tab 2: 赛季总览（占位） -->
@@ -52,6 +57,7 @@ import CrystalOverview from './components/CrystalOverview.vue'
 import IncomeCurve from './components/IncomeCurve.vue'
 import ExhibitionCenter from './components/ExhibitionCenter.vue'
 import LikeIncomeBoard from './components/LikeIncomeBoard.vue'
+import CollectionMatrix from './components/CollectionMatrix.vue'
 import { useDashboardData } from '@/composables/useDashboardData'
 
 const pageBg = 'linear-gradient(153deg, #FF9597 0%, #80DFFF 33%, #B8B8B8 74%, #D9D9D9 100%)'