diff --git a/tests/Feature/EcommerceFinance/ExpenseDetailsDrilldownPageTest.php b/tests/Feature/EcommerceFinance/ExpenseDetailsDrilldownPageTest.php
new file mode 100644
index 00000000..dbfd08c8
--- /dev/null
+++ b/tests/Feature/EcommerceFinance/ExpenseDetailsDrilldownPageTest.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Tests\Feature\EcommerceFinance;
+
+use Tests\Feature\FeatureTestCase;
+
+class ExpenseDetailsDrilldownPageTest extends FeatureTestCase
+{
+    public function testExpenseDetailsPageRendersCategoryDrilldownAndCompactColumns(): void
+    {
+        $this->loginAs()
+            ->get(route('business.pages.show', [
+                'section' => 'financial-operations',
+                'page' => 'expense-details',
+            ]))
+            ->assertOk()
+            ->assertSeeText('费用明细')
+            ->assertSeeText('费用分类汇总')
+            ->assertSee('/workspace/financial-operations/expense-details/item-summary', false)
+            ->assertSee('id="pdItemSummary"', false)
+            ->assertDontSee('data-col="record_code"', false)
+            ->assertDontSee('data-col="bill_item"', false);
+
+        $template = (string) file_get_contents(resource_path(
+            'views/business/pages/financial-operations/billing-details.blade.php',
+        ));
+        $this->assertSame(1, preg_match(
+            '/<table class="pd-table">\s*<thead>\s*<tr>\s*@if \(\$expenseOnly\)(.*?)@else/s',
+            $template,
+            $expenseHeader,
+        ));
+        preg_match_all('/data-col="([^"]+)"/', $expenseHeader[1], $columns);
+        $this->assertSame([
+            'platform',
+            'store_name',
+            'online_order_no',
+            'finance_remark',
+            'amount',
+        ], $columns[1]);
+        $this->assertStringContainsString('pd-item-summary__toggle', $template);
+        $this->assertStringContainsString('category.items', $template);
+    }
+}
diff --git a/tests/Feature/Settings/NavigationTest.php b/tests/Feature/Settings/NavigationTest.php
index a26a86d0..c439431b 100644
--- a/tests/Feature/Settings/NavigationTest.php
+++ b/tests/Feature/Settings/NavigationTest.php
@@ -151,25 +151,7 @@ class NavigationTest extends FeatureTestCase
             ->assertSeeText('不开票金额（万）')
             ->assertDontSee('<div class="pd-stats">', false)
             ->assertDontSee('data-col="record_code"', false)
-            ->assertDontSee('data-col="bill_item"', false)
             ->assertDontSee('id="pdType"', false);
-
-        $template = (string) file_get_contents(resource_path(
-            'views/business/pages/financial-operations/billing-details.blade.php',
-        ));
-        $this->assertSame(1, preg_match(
-            '/<table class="pd-table">\s*<thead>\s*<tr>\s*@if \(\$expenseOnly\)(.*?)@else/s',
-            $template,
-            $expenseHeader,
-        ));
-        preg_match_all('/data-col="([^"]+)"/', $expenseHeader[1], $columns);
-        $this->assertSame([
-            'platform',
-            'store_name',
-            'online_order_no',
-            'finance_remark',
-            'amount',
-        ], $columns[1]);
     }
 
     public function testFinancialAnalysisPageIncludesInvoiceExpenseColumns(): void