数字水彩插画，严格锁定品牌识别

{
  "prompt": "Use the uploaded reference image to **preserve 100% of the facial features, identity, age, skin tone, and expression** of the woman. Do not alter facial structure. Create a **stylized digital watercolor illustration** with soft, realistic facial features and expressive eyes exactly matching the reference image. Black hair is loosely tied back with natural strands falling around the face. She wears a **red traditional dress** with subtle gold detailing and delicate traditional jewelry. Large **red hibiscus flowers and lush green leaves** surround her head and shoulders, organically blending into the background using watercolor washes and ink-like splashes. Composition is slightly tilted for a dreamy, poetic mood. Fine sketch lines visible beneath watercolor textures, soft paint diffusion, hand-painted illustration aesthetic, elegant and artistic, high detail, masterpiece quality.",
  "negative_prompt": "blurry, low quality, deformed, extra limbs, bad anatomy, watermark, text overlay, anime, cartoon, overexposed, underexposed, ugly face, bad hands, face altered, identity changed, harsh lighting, plastic skin, photorealistic rendering",
  "parameters": {
    "steps": 50,
    "cfg_scale": 7.5,
    "sampler": "Euler a or DPM++ 2M Karras",
    "strength": 0.55,
    "noise": 0.3,
    "width": 832,
    "height": 1216,
    "aspect_ratio": "2:3"
  },
  "usage_instructions": "Upload your image in img2img or reference mode. Keep strength between 0.5–0.6 to maintain **100% face matching** while applying the watercolor illustration style. Increase slightly only if you want minor pose or background variation."
}