diff --git a/public/css/admin-components.css b/public/css/admin-components.css
index fd2ac7b..e0804de 100644
--- a/public/css/admin-components.css
+++ b/public/css/admin-components.css
@@ -86,6 +86,10 @@
 .platform-orders-table .col-optional{display:none;}
 .platform-orders-table.is-full .col-optional{display:table-cell;}
 
+/* 平台订单列表（精简视图）：进一步收敛信息密度 */
+.platform-orders-table.is-compact td{padding-top:8px;padding-bottom:8px;}
+.platform-orders-table.is-compact .muted-xs{font-size:12px;}
+
 /* 平台订单列表：精简视图也要可达的治理提示（对账/退款不一致） */
 .platform-orders-table .governance-hints{margin-bottom:6px;}
 .platform-orders-table .governance-hint{line-height:1.4;}
diff --git a/resources/views/admin/platform_orders/index.blade.php b/resources/views/admin/platform_orders/index.blade.php
index eb9f2b4..7ce7d58 100644
--- a/resources/views/admin/platform_orders/index.blade.php
+++ b/resources/views/admin/platform_orders/index.blade.php
@@ -996,7 +996,7 @@
         </div>
     </div>
     <div class="table-wrap">
-        <table class="table-nowrap platform-orders-table {{ $isFullView ? 'is-full' : '' }}">
+        <table class="table-nowrap platform-orders-table {{ $isFullView ? 'is-full' : 'is-compact' }}">
             <thead>
             <tr>
                 <th>ID</th>
diff --git a/tests/Feature/AdminPlatformOrderIndexCompactViewHasIsCompactClassTest.php b/tests/Feature/AdminPlatformOrderIndexCompactViewHasIsCompactClassTest.php
new file mode 100644
index 0000000..544c80a
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderIndexCompactViewHasIsCompactClassTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderIndexCompactViewHasIsCompactClassTest 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_compact_view_table_has_is_compact_class_full_view_has_is_full(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $this->get('/admin/platform-orders')
+            ->assertOk()
+            ->assertSee('platform-orders-table is-compact', false)
+            ->assertDontSee('platform-orders-table is-full', false);
+
+        $this->get('/admin/platform-orders?view=full')
+            ->assertOk()
+            ->assertSee('platform-orders-table is-full', false)
+            ->assertDontSee('platform-orders-table is-compact', false);
+    }
+}