带身份锁定提示的冬季水彩肖像

{
  "prompt": "Use the uploaded reference image to **preserve 100% of the facial features, identity, age, skin tone, and expression** of the person. Create a **moody low-light winter watercolor portrait**, blending semi-realistic 3D form with delicate watercolor textures, pigment diffusion, and soft painterly washes. Hair may have subtle snowflakes or frost highlights. Clothing: thick winter garments (coat, scarf, shawl, or blanket) with layered watercolor textures and subtle 3D depth. Pose: natural, slightly introspective or relaxed. Background: foggy winter environment, soft-focus snowy landscape or village, bare trees, snow-covered ground, gentle atmospheric mist, watercolor gradients, soft bokeh. Low-key diffuse lighting with gentle highlights and blended shadows. Highly detailed face and upper body, serene, cinematic, wintery mood, masterpiece quality.",
  "negative_prompt": "blurry, low quality, deformed, extra limbs, bad anatomy, watermark, text overlay, cartoon, anime, overexposed, underexposed, ugly face, bad hands, face altered, identity changed, harsh lighting, plastic skin, flat textures, modern clothing, 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 reference image in img2img mode. The AI will **keep the face exactly as in the reference**, while applying moody winter watercolor style, clothing textures, and foggy environment. Strength 0.5-0.6 ensures 100% face match; slightly higher strength allows minor pose or background variations."
}