Match Qwen-Image Gradio 6 structure exactly

- Move theme, css to demo.launch()
- Remove head parameter (Qwen-Image doesn't use it)
- Keep JS via demo.load()

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app_diffusers.py

@@ -548,40 +548,38 @@ def infer(
 
     return image, seed
 
+custom_theme = gr.themes.Soft(
+    primary_hue=gr.themes.colors.blue,
+    secondary_hue=gr.themes.colors.slate,
+    neutral_hue=gr.themes.colors.gray,
+    spacing_size=gr.themes.sizes.spacing_lg,
+    radius_size=gr.themes.sizes.radius_lg,
+    text_size=gr.themes.sizes.text_md,
+    font=[gr.themes.GoogleFont("Inter"), "SF Pro Display", "-apple-system", "BlinkMacSystemFont", "system-ui", "sans-serif"],
+    font_mono=[gr.themes.GoogleFont("JetBrains Mono"), "SF Mono", "ui-monospace", "monospace"],
+).set(
+    body_background_fill='#f5f5f7',
+    body_background_fill_dark='#000000',
+    button_primary_background_fill='#0071e3',
+    button_primary_background_fill_hover='#0077ed',
+    button_primary_text_color='#ffffff',
+    block_background_fill='#ffffff',
+    block_background_fill_dark='#1d1d1f',
+    block_border_width='0px',
+    block_shadow='0 2px 12px rgba(0, 0, 0, 0.08)',
+    block_shadow_dark='0 2px 12px rgba(0, 0, 0, 0.4)',
+    input_background_fill='#ffffff',
+    input_background_fill_dark='#1d1d1f',
+    input_border_width='1px',
+    input_border_color='#d2d2d7',
+    input_border_color_dark='#424245',
+    input_shadow='none',
+    input_shadow_focus='0 0 0 4px rgba(0, 113, 227, 0.15)',
+)
+
 with gr.Blocks(
     title="Ovis-Image",
     fill_height=False,
-    theme=gr.themes.Soft(
-        primary_hue=gr.themes.colors.blue,
-        secondary_hue=gr.themes.colors.slate,
-        neutral_hue=gr.themes.colors.gray,
-        spacing_size=gr.themes.sizes.spacing_lg,
-        radius_size=gr.themes.sizes.radius_lg,
-        text_size=gr.themes.sizes.text_md,
-        font=[gr.themes.GoogleFont("Inter"), "SF Pro Display", "-apple-system", "BlinkMacSystemFont", "system-ui", "sans-serif"],
-        font_mono=[gr.themes.GoogleFont("JetBrains Mono"), "SF Mono", "ui-monospace", "monospace"],
-    ).set(
-        body_background_fill='#f5f5f7',
-        body_background_fill_dark='#000000',
-        button_primary_background_fill='#0071e3',
-        button_primary_background_fill_hover='#0077ed',
-        button_primary_text_color='#ffffff',
-        block_background_fill='#ffffff',
-        block_background_fill_dark='#1d1d1f',
-        block_border_width='0px',
-        block_shadow='0 2px 12px rgba(0, 0, 0, 0.08)',
-        block_shadow_dark='0 2px 12px rgba(0, 0, 0, 0.4)',
-        input_background_fill='#ffffff',
-        input_background_fill_dark='#1d1d1f',
-        input_border_width='1px',
-        input_border_color='#d2d2d7',
-        input_border_color_dark='#424245',
-        input_shadow='none',
-        input_shadow_focus='0 0 0 4px rgba(0, 113, 227, 0.15)',
-    ),
-    css=apple_css,
-    head="""<style>body{background:#fff!important;visibility:hidden}</style>
-<script>setTimeout(function(){document.body.style.visibility='visible';document.body.style.background=''},100)</script>""",
 ) as demo:
     # Two-column layout - variant='panel' prevents responsive stacking
     with gr.Row(equal_height=False, variant="panel", elem_id="main-row"):
@@ -681,4 +679,7 @@ with gr.Blocks(
     demo.load(None, None, None, js=js_code)
 
 if __name__ == '__main__':
-    demo.launch()
+    demo.launch(
+        theme=custom_theme,
+        css=apple_css,
+    )