Update app.py

app.py

@@ -96,10 +96,13 @@ def fetch_html_content(url, timeout=10):
     """Fetch HTML content from URL (Raw HTML for Model)"""
     try:
         headers = {
-            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36'
+            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+            'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
+            'Accept-Language': 'en-US,en;q=0.9,vi;q=0.8',
+            'Referer': 'https://www.google.com/'
         }
         # verify=False is intentional for phishing detection, warning suppressed globally
-        response = requests.get(url, headers=headers, timeout=timeout, verify=False)
+        response = requests.get(url, headers=headers, timeout=15, verify=False)
         response.raise_for_status()
         
         # Return FULL RAW HTML content instead of stripped text