温馨圣诞市集人像，保留身份信息

{
  "prompt": {
    "scene": "Cinematic front-facing Christmas market portrait captured outdoors at night with softly falling snow.",
    "subject": {
      "identity": "Preserve all facial features exactly as in uploaded image",
      "pose": "Standing upright, centered in frame, facing the camera directly",
      "attire": {
        "outerwear": "{argument name="coat color" default="Red"} winter coat, cozy and fitted, with visible texture",
        "accessories": ["Matching scarf optional", "Gloves optional"]
      },
      "hair": "Natural hair with snowflakes gently resting on strands",
      "expression": "Neutral, relaxed, softly smiling or calm"
    },
    "environment": {
      "weather": "Soft snow falling, snow accumulating lightly on coat and hair",
      "lighting": "Warm ambient Christmas market lights, softly illuminating subject and background",
      "background_elements": [
        "Decorated Christmas tree with glowing ornaments",
        "Bokeh of market stalls and festive lights",
        "Softly blurred pedestrians or distant decorations"
      ]
    },
    "camera": {
      "angle": "Front-facing, eye-level",
      "framing": "Centered medium shot capturing subject from head to mid-thigh",
      "lens": "{argument name="lens" default="85mm"} portrait lens",
      "aperture": "{argument name="aperture" default="f/1.8"} for shallow depth of field",
      "focus": "Sharp focus on subject, softly blurred background",
      "resolution": "4K",
      "color_tone": "Warm, cozy, festive glow"
    },
    "style": "Ultra-realistic cinematic photography, soft winter tones, festive mood",
    "mood": "Cozy, elegant, holiday-inspired, softly illuminated nighttime scene",
    "constraints": [
      "Preserve all facial features and identity from uploaded reference",
      "Do not alter hair style or face",
      "Ensure snowflakes appear natural on coat and hair"
    ]
  }
}