chore(admin-ui): tokenise page-header/stat-card in admin-components css

tests/Feature/AdminComponentsCssPageHeaderShouldUseThemeTokensTest.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminComponentsCssPageHeaderShouldUseThemeTokensTest 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_components_css_page_header_should_use_theme_tokens(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $css = file_get_contents(public_path('css/admin-components.css'));
+        $this->assertIsString($css);
+
+        // PageHeader 组件必须走主题令牌，避免后续统一换肤/统一基线时需要全局搜替换。
+        $this->assertStringContainsString('.page-header{', $css);
+        $this->assertStringContainsString('border:1px solid var(--adm-border-color, #e5e7eb)', $css);
+        $this->assertStringContainsString('background:var(--adm-bg-container, #ffffff)', $css);
+        $this->assertStringContainsString('border-radius:var(--adm-radius, 12px)', $css);
+
+        // 标题/副标题要使用文本 token。
+        $this->assertStringContainsString('color:var(--adm-text, #0f172a)', $css);
+        $this->assertStringContainsString('color:var(--adm-text-secondary, #64748b)', $css);
+    }
+}