diff --git a/resources/views/admin/site_subscriptions/index.blade.php b/resources/views/admin/site_subscriptions/index.blade.php
index b0250cd..665ceda 100644
--- a/resources/views/admin/site_subscriptions/index.blade.php
+++ b/resources/views/admin/site_subscriptions/index.blade.php
@@ -133,15 +133,15 @@
     <div class="muted muted-xs mt-6">建议：先处理“7天内到期”续费触达，再处理“已过期”补单或关闭。</div>
 </div>
 
-<details class="card mb-20 collapsible" data-role="collapsible" data-storage-key="admin.site_subscriptions.filters" open>
-    <summary class="collapsible-summary">
+<details class="card mb-20 collapsible filters-card" data-role="collapsible" data-storage-key="admin.site_subscriptions.filters" open>
+    <summary class="collapsible-summary filters-summary">
         <div class="flex-between items-center">
             <h3 class="mb-0">筛选条件</h3>
             <span class="muted muted-xs">点击收起/展开</span>
         </div>
     </summary>
-    <div class="collapsible-body">
-        <form method="get" action="/admin/site-subscriptions" class="grid-4">
+    <div class="collapsible-body filters-body">
+        <form method="get" action="/admin/site-subscriptions" class="grid-4 filters-grid">
 
         @if($safeBackForLinks !== '')
             <input type="hidden" name="back" value="{!! $safeBackForLinks !!}">
diff --git a/tests/Feature/AdminSiteSubscriptionsIndexShouldUseFiltersCardClassesTest.php b/tests/Feature/AdminSiteSubscriptionsIndexShouldUseFiltersCardClassesTest.php
new file mode 100644
index 0000000..eeb0e7b
--- /dev/null
+++ b/tests/Feature/AdminSiteSubscriptionsIndexShouldUseFiltersCardClassesTest.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminSiteSubscriptionsIndexShouldUseFiltersCardClassesTest 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_filters_card_classes(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $response = $this->get('/admin/site-subscriptions');
+        $response->assertOk();
+
+        // 护栏：订阅管理筛选区应复用统一 Filters Card 组件类（与平台订单列表一致）。
+        $response->assertSee('filters-card', false);
+        $response->assertSee('filters-summary', false);
+        $response->assertSee('filters-body', false);
+        $response->assertSee('filters-grid', false);
+    }
+}