diff --git a/app/Http/Controllers/Admin/PlatformOrderController.php b/app/Http/Controllers/Admin/PlatformOrderController.php
index a61d7d1..af36161 100644
--- a/app/Http/Controllers/Admin/PlatformOrderController.php
+++ b/app/Http/Controllers/Admin/PlatformOrderController.php
@@ -244,6 +244,22 @@ class PlatformOrderController extends Controller
 
                     return $q->count();
                 })(),
+                'partially_refunded_orders' => (clone $baseQuery)->where('payment_status', 'partially_refunded')->count(),
+                'refunded_orders' => (clone $baseQuery)->where('payment_status', 'refunded')->count(),
+                'total_refunded_amount' => (clone $baseQuery)->get()->sum(function ($o) {
+                    // 优先读 meta.refund_summary.total_amount，回退汇总 meta.refund_receipts[].amount
+                    $total = (float) (data_get($o->meta, 'refund_summary.total_amount') ?? 0);
+                    if ($total > 0) {
+                        return $total;
+                    }
+
+                    $refunds = (array) (data_get($o->meta, 'refund_receipts', []) ?? []);
+                    $sum = 0.0;
+                    foreach ($refunds as $r) {
+                        $sum += (float) (data_get($r, 'amount') ?? 0);
+                    }
+                    return $sum;
+                }),
             ],
             'failedReasonStats' => $failedReasonStats,
         ]);
@@ -409,13 +425,22 @@ class PlatformOrderController extends Controller
 
         data_set($meta, 'refund_receipts', $refunds);
 
+        // 扁平统计：避免在列表/汇总处频繁遍历退款数组（可治理）
+        $totalRefunded = 0.0;
+        foreach ($refunds as $r) {
+            $totalRefunded += (float) (data_get($r, 'amount') ?? 0);
+        }
+        $latestRefund = count($refunds) > 0 ? end($refunds) : null;
+        data_set($meta, 'refund_summary', [
+            'count' => count($refunds),
+            'total_amount' => $totalRefunded,
+            'last_at' => (string) (data_get($latestRefund, 'refunded_at') ?? ''),
+            'last_amount' => (float) (data_get($latestRefund, 'amount') ?? 0),
+            'last_channel' => (string) (data_get($latestRefund, 'channel') ?? ''),
+        ]);
+
         // 可治理辅助：自动推进退款标记（仅当订单本身已支付，且退款金额>0 时）
         if ($order->payment_status === 'paid' && (float) $data['amount'] > 0) {
-            $totalRefunded = 0.0;
-            foreach ($refunds as $r) {
-                $totalRefunded += (float) (data_get($r, 'amount') ?? 0);
-            }
-
             $paidAmount = (float) ($order->paid_amount ?? 0);
 
             // 退款总额 >= 已付金额 => 视为已退款；否则视为部分退款
diff --git a/resources/views/admin/platform_orders/index.blade.php b/resources/views/admin/platform_orders/index.blade.php
index b460363..2f7f4f3 100644
--- a/resources/views/admin/platform_orders/index.blade.php
+++ b/resources/views/admin/platform_orders/index.blade.php
@@ -121,6 +121,15 @@
         <div class="metric-number">{{ $summaryStats['batch_mark_activated_24h_orders'] ?? 0 }}</div>
         <div class="muted muted-xs">基于 meta.batch_mark_activated.at</div>
     </div>
+    <div class="card">
+        <h3>部分退款 / 已退款</h3>
+        <div class="metric-number">{{ $summaryStats['partially_refunded_orders'] ?? 0 }} / {{ $summaryStats['refunded_orders'] ?? 0 }}</div>
+    </div>
+    <div class="card">
+        <h3>退款总额</h3>
+        <div class="metric-number">¥{{ number_format((float) ($summaryStats['total_refunded_amount'] ?? 0), 2) }}</div>
+        <div class="muted muted-xs">基于 meta.refund_summary.total_amount（缺省回退汇总）</div>
+    </div>
     <div class="card">
         <h3>同步失败原因 TOP5</h3>
         @php $failedReasonStats = $failedReasonStats ?? []; @endphp
diff --git a/tests/Feature/AdminPlatformOrderTest.php b/tests/Feature/AdminPlatformOrderTest.php
index 0e24307..94bca0f 100644
--- a/tests/Feature/AdminPlatformOrderTest.php
+++ b/tests/Feature/AdminPlatformOrderTest.php
@@ -37,6 +37,8 @@ class AdminPlatformOrderTest extends TestCase
             ->assertSee('最近24小时批量同步过')
             ->assertSee('可同步订单')
             ->assertSee('近24小时批量同步')
+            ->assertSee('部分退款 / 已退款')
+            ->assertSee('退款总额')
             ->assertSee('快捷筛选')
             ->assertSee('待支付')
             ->assertSee('待生效')