{
  "image_prompt": {
    "reference": {
      "face_identity": "uploaded reference image",
      "identity_lock": true,
      "face_preservation": "100% identical facial structure, proportions, skin texture, eye shape, lips, nose, brows, moles, hairstyle, and natural expression from the uploaded image"
    },
    "subject": {
      "type": "the exact person from the uploaded image",
      "identity_note": "Use the uploaded image as the sole character reference. Do not stylize, beautify, or merge with any other person.",
      "expression": "Maintain the same natural expression and facial vibe as in the uploaded image",
      "gaze": "looking gently toward the camera",
      "pose": {
        "position": "leaning out of a train window",
        "arms": "both arms resting comfortably on the window frame",
        "posture": "relaxed and cozy, upper body slightly leaned forward"
      }
    },
    "hair": {
      "reference": "Hair color, length, texture, and styling must exactly match the uploaded image",
      "movement": "natural, consistent with the original hairstyle"
    },
    "headwear": {
      "rule": "Only include headwear if it already exists in the uploaded image; otherwise, do not add any hat or accessory"
    },
    "makeup": {
      "rule": "Preserve the makeup style exactly as shown in the uploaded image, no changes or enhancements"
    },
    "outfit": {
      "reference": "Clothing must be exactly the same as the outfit worn in the uploaded image",
      "details": [
        "same clothing items",
        "same colors",
        "same materials",
        "same layering and fit"
      ],
      "restriction": "Do not replace with winter sweaters or redesign the outfit"
    },
    "environment": {
      "location": "inside a red panoramic train traveling through snowy mountains",
      "background_elements": [
        "snow-covered pine trees",
        "mountain slopes blanketed in snow",
        "curving red train cars visible behind",
        "thick snow piled along the tracks"
      ],
      "season": "winter alpine landscape"
    },
    "lighting": {
      "type": "natural cold daylight",
      "characteristics": [
        "soft diffused light",
        "cool winter tones",
        "gentle highlights on the face",
        "natural shadows"
      ]
    },
    "photography_style": {
      "style": "cinematic travel portrait",
      "camera_look": "DSLR-style photography",
      "depth_of_field": "moderate depth of field keeping subject sharp with scenic background",
      "mood": "peaceful, cozy, adventurous, winter travel aesthetic"
    },
    "render_quality": {
      "realism": "highly photorealistic",
      "detail_level": "high",
      "skin_texture": "natural and realistic",
      "resolution": "high resolution",
      "color_grading": "cool winter tones with soft contrast"
    }
  }
}