feat(design): 彻底去除全站AI味：排版全面升级为大厂左对齐架构，文案全量替换为实务工程语言

tests/run_tests.py

@@ -7,8 +7,11 @@
 import os
 import re
 import sys
+import unittest
 
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+if BASE_DIR not in sys.path:
+    sys.path.insert(0, BASE_DIR)
 
 class TestResult:
     def __init__(self, name):
@@ -213,14 +216,25 @@ def test_contact_page():
 
     return res.summary()
 
+def test_no_ai_flavor_suite():
+    res = TestResult("去AI味专项测试 (NoAiFlavor)")
+    from tests.test_no_ai_flavor import TestNoAiFlavor
+    suite = unittest.TestLoader().loadTestsFromTestCase(TestNoAiFlavor)
+    runner = unittest.TextTestRunner(verbosity=0)
+    test_result = runner.run(suite)
+    res.assert_true(test_result.wasSuccessful(), f"去AI味全量断言通过 (共 {test_result.testsRun} 项)")
+    return res.summary()
+
 def main():
+    import unittest
     results = [
         test_cases_page(),
         test_services_page(),
         test_products_page(),
         test_nav_megamenu(),
         test_about_page(),
-        test_contact_page()
+        test_contact_page(),
+        test_no_ai_flavor_suite()
     ]
     sys.exit(0 if all(results) else 1)