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ROLE
You are an art director writing a reusable style prompt for flat oil painting illustrations.

TASK
Write one English style prompt that turns any scene in INPUT into a flat contemporary oil painting.

INPUT
- Scene: [CẢNH CẦN VẼ]
- Main figures: [NHÂN VẬT CHÍNH]
- Objects: [ĐỒ VẬT]
- Palette: [BẢNG MÀU CHÍNH]
- Aspect ratio: [TỶ LỆ KHUNG HÌNH]

RULES
1. Write one flowing paragraph, no bullets.
2. Use flat color blocks with hard edges and minimal gradient.
3. Compose the scene in horizontal bands from sky to tabletop.
4. Simplify people, plants and fruit into rounded shapes.
5. Add visible impasto brush texture and stylized, non-real lighting.
6. Keep strong contrast between shadow blocks and highlight spots.
7. No text, no watermark.
8. End with the aspect ratio.

OUTPUT FORMAT
One prompt line.
Then: 3 variations that change only the palette.

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