diff --git a/resources/views/admin/product_categories/index.blade.php b/resources/views/admin/product_categories/index.blade.php
index cbd9c35..acad597 100644
--- a/resources/views/admin/product_categories/index.blade.php
+++ b/resources/views/admin/product_categories/index.blade.php
@@ -4,67 +4,87 @@
 @section('page_title', '商品分类')
 
 @section('content')
-<div class="card mb-20">
-    <p class="muted muted-tight">这里是总台视角的商品分类巡检与维护入口，可跨站点查看分类结构。</p>
-    <p class="muted">当前分类列表已接入缓存：{{ $cacheMeta['store'] }} / TTL {{ $cacheMeta['ttl'] }}。</p>
-    <h3>新增分类</h3>
-    <form method="post" action="/admin/product-categories">
-        @csrf
-        <div class="grid-3">
-            <select name="merchant_id">
-                @foreach($merchants as $merchant)
-                    <option value="{{ $merchant->id }}" @selected((string) old('merchant_id', $merchants->first()?->id) === (string) $merchant->id)>{{ $merchant->id }} / {{ $merchant->name }}</option>
-                @endforeach
-            </select>
-            <input name="name" placeholder="分类名称" value="{{ old('name') }}">
-            <input name="slug" placeholder="slug" value="{{ old('slug') }}">
-            <select name="status">
-                <option value="active" @selected(old('status', 'active') === 'active')>active</option>
-                <option value="inactive" @selected(old('status') === 'inactive')>inactive</option>
-            </select>
-            <input name="sort" placeholder="排序" value="{{ old('sort', 0) }}">
-            <input name="description" placeholder="分类说明" class="span-2" value="{{ old('description') }}">
+<details class="card mb-20 collapsible filters-card" data-role="collapsible" data-storage-key="admin.product_categories.filters" open>
+    <summary class="collapsible-summary filters-summary">
+        <div class="flex-between items-center">
+            <div>
+                <h3 class="mb-0">商品分类</h3>
+                <div class="muted muted-xs">总台视角的商品分类巡检与维护入口，可跨站点查看分类结构。</div>
+            </div>
+            <span class="muted muted-xs">点击收起/展开</span>
         </div>
-        <div class="mt-12"><button type="submit">创建分类</button></div>
-    </form>
-</div>
+        <div class="muted muted-xs mt-6">当前分类列表已接入缓存：{{ $cacheMeta['store'] }} / TTL {{ $cacheMeta['ttl'] }}。</div>
+    </summary>
 
-<div class="card">
-    <h3>分类列表</h3>
-    <table>
-        <thead><tr><th>ID</th><th>商家</th><th>名称</th><th>Slug</th><th>状态</th><th>排序</th><th>说明</th><th>操作</th></tr></thead>
-        <tbody>
-        @foreach($categories as $category)
-            <tr>
-                <td>{{ $category->id }}</td>
-                <td>{{ $category->merchant?->name ?? ('商家#'.$category->merchant_id) }}</td>
-                <td>
-                    <form method="post" action="/admin/product-categories/{{ $category->id }}" class="actions">
-                        @csrf
-                        <input name="name" value="{{ $category->name }}">
-                </td>
-                <td><input name="slug" value="{{ $category->slug }}"></td>
-                <td>
-                        <select name="status">
-                            <option value="active" @selected($category->status==='active')>active</option>
-                            <option value="inactive" @selected($category->status==='inactive')>inactive</option>
-                        </select>
-                </td>
-                <td><input name="sort" value="{{ $category->sort }}" class="w-90"></td>
-                <td><input name="description" value="{{ $category->description }}"></td>
-                <td>
-                        <button type="submit">更新</button>
-                    </form>
-                    <form method="post" action="/admin/product-categories/{{ $category->id }}/delete" class="inline" onsubmit="return confirm('确定删除这个分类？');">
-                        @csrf
-                        <button type="submit" class="button-danger">删除</button>
-                    </form>
-                </td>
-            </tr>
-        @endforeach
-        </tbody>
-    </table>
-</div>
+    <div class="collapsible-body filters-body">
+        <h3 class="mt-0">新增分类</h3>
+        <form method="post" action="/admin/product-categories" class="filters-grid">
+            @csrf
+            <div class="grid-3">
+                <select name="merchant_id">
+                    @foreach($merchants as $merchant)
+                        <option value="{{ $merchant->id }}" @selected((string) old('merchant_id', $merchants->first()?->id) === (string) $merchant->id)>{{ $merchant->id }} / {{ $merchant->name }}</option>
+                    @endforeach
+                </select>
+                <input name="name" placeholder="分类名称" value="{{ old('name') }}">
+                <input name="slug" placeholder="slug" value="{{ old('slug') }}">
+                <select name="status">
+                    <option value="active" @selected(old('status', 'active') === 'active')>active</option>
+                    <option value="inactive" @selected(old('status') === 'inactive')>inactive</option>
+                </select>
+                <input name="sort" placeholder="排序" value="{{ old('sort', 0) }}">
+                <input name="description" placeholder="分类说明" class="span-2" value="{{ old('description') }}">
+            </div>
+            <div class="mt-12"><button type="submit" class="btn btn-sm">创建分类</button></div>
+        </form>
+    </div>
+</details>
 
-<div class="pagination-wrap">{{ $categories->links() }}</div>
+<div class="card list-card">
+    <div class="list-card-header">
+        <div>
+            <h3 class="list-card-title">分类列表</h3>
+        </div>
+    </div>
+
+    <div class="list-card-body">
+        <table class="list-card-table">
+            <thead><tr><th>ID</th><th>商家</th><th>名称</th><th>Slug</th><th>状态</th><th>排序</th><th>说明</th><th>操作</th></tr></thead>
+            <tbody>
+            @forelse($categories as $category)
+                <tr>
+                    <td>{{ $category->id }}</td>
+                    <td>{{ $category->merchant?->name ?? ('商家#'.$category->merchant_id) }}</td>
+                    <td>
+                        <form method="post" action="/admin/product-categories/{{ $category->id }}" class="actions">
+                            @csrf
+                            <input name="name" value="{{ $category->name }}">
+                    </td>
+                    <td><input name="slug" value="{{ $category->slug }}"></td>
+                    <td>
+                            <select name="status">
+                                <option value="active" @selected($category->status==='active')>active</option>
+                                <option value="inactive" @selected($category->status==='inactive')>inactive</option>
+                            </select>
+                    </td>
+                    <td><input name="sort" value="{{ $category->sort }}" class="w-90"></td>
+                    <td><input name="description" value="{{ $category->description }}"></td>
+                    <td>
+                            <button type="submit" class="btn btn-secondary btn-sm">更新</button>
+                        </form>
+                        <form method="post" action="/admin/product-categories/{{ $category->id }}/delete" class="inline" onsubmit="return confirm('确定删除这个分类？');">
+                            @csrf
+                            <button type="submit" class="btn btn-danger btn-sm">删除</button>
+                        </form>
+                    </td>
+                </tr>
+            @empty
+                <tr><td colspan="8" class="muted table-empty">暂无分类</td></tr>
+            @endforelse
+            </tbody>
+        </table>
+
+        {{ $categories->links('pagination.admin') }}
+    </div>
+</div>
 @endsection
diff --git a/tests/Feature/AdminProductCategoriesIndexShouldUseFiltersAndListCardStructureTest.php b/tests/Feature/AdminProductCategoriesIndexShouldUseFiltersAndListCardStructureTest.php
new file mode 100644
index 0000000..3365a7a
--- /dev/null
+++ b/tests/Feature/AdminProductCategoriesIndexShouldUseFiltersAndListCardStructureTest.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminProductCategoriesIndexShouldUseFiltersAndListCardStructureTest 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_product_categories_index_should_use_filters_and_list_card_structure(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $response = $this->get('/admin/product-categories');
+        $response->assertOk();
+
+        // 护栏：商品分类页应使用统一 Filters Card + List Card 结构，便于全站后台观感一致。
+        $response->assertSee('filters-card', false);
+        $response->assertSee('filters-summary', false);
+        $response->assertSee('filters-body', false);
+        $response->assertSee('filters-grid', false);
+
+        $response->assertSee('list-card', false);
+        $response->assertSee('list-card-header', false);
+        $response->assertSee('list-card-body', false);
+        $response->assertSee('list-card-table', false);
+
+        // 分页统一：此页数据量可能不足导致 hasPages=false，因此用扫描型护栏断言。
+        $blade = file_get_contents(resource_path('views/admin/product_categories/index.blade.php'));
+        $this->assertIsString($blade);
+        $this->assertStringContainsString("links('pagination.admin')", $blade);
+    }
+}