高山滑雪肖像与解剖规格

{
  "protocol_manifest": {
    "aspect_ratio": "3:4",
    "resolution": "8K RAW",
    "rendering_engine": "Nano Banana High-Fidelity"
  },
  "subject_logic": {
    "identity_anchor": "100% accurate match of the woman in the reference photo. Exact facial structure, eye shape, and bone density preserved. No beautification.",
    "anatomical_specifications": {
      "face": "Natural skin texture, visible pores, flushed cheeks from the cold, subtle wind-chill redness around the nose, moisture on the lips.",
      "body_silhouette": "Top-heavy body type as per canonical reference. Heavy, visibly large and dominant bust volume that defines the silhouette under the ski jacket. Natural gravity pull and mass consistency.",
      "pose": "Full body or three-quarter shot. She is standing on a snowy slope, posing naturally for a friend. She is holding a {argument name="equipment type" default="snowboard"} vertically under her left arm, pressing it against her side. Her right hand is tucked into her jacket pocket or hanging naturally. Head tilted slightly, looking at the camera with a spontaneous, natural smile."
    }
  },
  "wardrobe_logic": {
    "outerwear": "White quilted premium ski jacket with a contrasting black collar and metallic snaps. The fabric shows tension and realistic folds over the chest area due to the heavy bust volume.",
    "headwear": "Beige cable-knit beanie; professional black ski goggles resting on the forehead.",
    "equipment": "A sleek, branded snowboard held under the left arm, showing glossy texture and snow dust."
  },
  "environment_logic": {
    "setting": "Sun-drenched Alpine ski resort. Jagged snow-capped peaks in the background, a blurry ski lift (funicular) rising behind her. Crisp, groomed corduroy snow on the ground.",
    "illumination": "Bright, direct mountain sunlight. High-contrast natural light. Cool-toned blue shadows in the snow, warm golden highlights on the subject's face.",
    "atmosphere": "Crisp winter air, slight snow haze in the distance, crystal clear sky."
  },
  "technical_logic": {
    "optical": "Handheld iPhone shot, 35mm equivalent focal length. Taken by a second person at chest level.",
    "pipeline": "Photorealistic, slight organic motion blur from handheld movement, no AI smoothing, authentic smartphone sensor grain.",
    "depth_of_field": "f/2.8 medium depth; the subject is sharp, the mountain peaks have a soft, natural bokeh."
  },
  "negative_prompt": {
    "forbidden": "holding phone, selfie, plastic skin, airbrushed, cartoon, anime, 3d render, distorted snowboard, low resolution, makeup filter."
  }
}