feat(admin): 仪表盘占比卡接入套餐订单占比（Top5）

resources/views/admin/dashboard.blade.php

@@ -151,9 +151,49 @@
     </div>
 
     <div class="card">
-        <h3 class="mt-0">占比（占位）</h3>
-        <div class="muted">后续接入：套餐销量占比 / 渠道占比 / 支付方式占比（支持时间范围切换）。</div>
-        <div class="muted muted-xs mt-10">说明：后续会补占比卡的 legend 与颜色体系（对齐 AntD Pro）。</div>
+        <div class="flex-between">
+            <h3 class="mt-0">套餐订单占比（Top5）</h3>
+            <a class="muted" href="/admin/plans">查看套餐</a>
+        </div>
+
+        @php
+            $shareRows = (array) ($planOrderShare ?? []);
+            $totalOrders = 0;
+            foreach ($shareRows as $r) {
+                $totalOrders += (int) ($r['count'] ?? 0);
+            }
+        @endphp
+
+        <table>
+            <thead>
+            <tr>
+                <th>套餐</th>
+                <th>订单数</th>
+                <th>占比</th>
+            </tr>
+            </thead>
+            <tbody>
+            @forelse($shareRows as $row)
+                @php
+                    $planId = (int) ($row['plan_id'] ?? 0);
+                    $count = (int) ($row['count'] ?? 0);
+                    $pct = $totalOrders > 0 ? round(($count / $totalOrders) * 100, 1) : 0;
+                    $planName = (string) (($planIdToName[$planId] ?? '') ?: ('#' . $planId));
+                @endphp
+                <tr>
+                    <td>{{ $planName }}</td>
+                    <td>{{ $count }}</td>
+                    <td>{{ $pct }}%</td>
+                </tr>
+            @empty
+                <tr>
+                    <td colspan="3" class="muted">暂无数据</td>
+                </tr>
+            @endforelse
+            </tbody>
+        </table>
+
+        <div class="muted muted-xs mt-10">说明：当前口径为“平台订单按 plan_id 的数量占比（Top5）”；后续扩展到金额占比、渠道占比与时间范围切换。</div>
     </div>
 </div>
 @endsection