Update app.py

app.py

@@ -150,16 +150,14 @@ v_theme = gr.themes.Soft(
     color_accent_soft="#FFEBE8", 
 )
 
-with gr.Blocks() as demo:
-    
-    gr.Image(
-        value="banner.png",
-        show_label=False,
-        interactive=False,
-        container=False
-    )
-    
-    gr.HTML("<div style='text-align: center; margin-bottom: 2rem;'><p style='color: #4B5563; font-size: 1.1rem;'>AI-Driven Multi-Agent Consensus System</p></div>")
+with gr.Blocks(theme=v_theme) as demo:
+    gr.HTML("""
+    <div style="display: flex; flex-direction: column; align-items: center; margin-bottom: 2rem;">
+        <img src="file/banner.png" alt="PromptPlenum42 Banner" 
+             style="max-width: 800px; width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1); margin-bottom: 1rem;">
+        <p style="color: #4B5563; font-size: 1.1rem; font-weight: 500;">AI-Driven Multi-Agent Consensus System</p>
+    </div>
+    """)
     
     with gr.Row():
         with gr.Column(scale=4):