chore(admin-ui): introduce list-card component and apply to subscriptions index

public/css/admin-components.css

@@ -128,6 +128,41 @@
     margin:0;
 }
 
+/* 可复用：List Card（列表页统一卡片：标题区/操作区/表格区） */
+.list-card{
+    padding:0;
+}
+
+.list-card-header{
+    padding:14px 16px;
+    display:flex;
+    align-items:flex-start;
+    justify-content:space-between;
+    gap:12px;
+}
+
+.list-card-title{
+    margin:0;
+}
+
+.list-card-subtitle{
+    margin-top:6px;
+}
+
+.list-card-body{
+    border-top:1px solid var(--adm-border-color, #e5e7eb);
+    padding:0;
+}
+
+.list-card-table{
+    margin:0;
+}
+
+.list-card-table th,
+.list-card-table td{
+    padding:12px 12px;
+}
+
 /* 可复用：PageHeader（参考 Ant Design Pro：标题区 + 描述 + 右侧操作区） */
 .page-header{
     width:100%;

resources/views/admin/site_subscriptions/index.blade.php

@@ -265,9 +265,14 @@
     </div>
 </div>
 
-<div class="card">
+<div class="card list-card">
-    <h3>订阅列表</h3>
+    <div class="list-card-header">
-    <table>
+        <div>
+            <h3 class="list-card-title">订阅列表</h3>
+        </div>
+    </div>
+    <div class="list-card-body">
+    <table class="list-card-table">
         <thead>
         <tr>
             <th>ID</th>
@@ -406,6 +411,7 @@
         @endforelse
         </tbody>
     </table>
+    </div>
 </div>
 
 <div class="pagination-wrap">{{ $subscriptions->links() }}</div>

tests/Feature/AdminSiteSubscriptionsIndexShouldUseListCardStructureTest.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminSiteSubscriptionsIndexShouldUseListCardStructureTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_admin_site_subscriptions_index_should_use_list_card_structure(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $response = $this->get('/admin/site-subscriptions');
+        $response->assertOk();
+
+        // 护栏：订阅列表区域应使用统一 List Card 结构，便于全站列表页风格统一。
+        $response->assertSee('list-card', false);
+        $response->assertSee('list-card-header', false);
+        $response->assertSee('list-card-body', false);
+        $response->assertSee('list-card-table', false);
+    }
+}