Update app.py

app.py

@@ -54,7 +54,7 @@ def respond(
                     response += '> **Start thinking**\n\n'
                     is_reasoning_start = False
                 token = event.choices[0].delta.reasoning_content# Wrap reasoning_content in a span with a lighter color
-                response += f'<span style="color: #999999;">{token}</span>'
+                response += token
             else:
                 if is_reasoning_end:
                     response += '> **End thinking**\n\n'
@@ -81,10 +81,23 @@ latex_delimiters = [
 
 chatbot = gr.Chatbot(latex_delimiters=latex_delimiters, scale=9)
 
+css = """
+<style>
+.reasoning-content {
+    color: #999999;
+}
+.normal-content {
+    color: #000000;
+}
+</style>
+"""
+
 demo = gr.ChatInterface(respond,
     title="Hunyuan T1",
     examples=example_prompts,
-    chatbot=chatbot
+    chatbot=chatbot,
+    css=css
+
 )
 
 if __name__ == "__main__":