{
  "style": "High-key studio portrait, direct flash aesthetic, East Asian social media style (e.g., Ulzzang, Douyin), stylized beauty retouching.",
  "output": {
    "color_profile": "sRGB",
    "render_intent": "photo"
  },
  "subject": {
    "category": "human",
    "gender_presentation": "female",
    "ethnicity": "East Asian (e.g., Korean, Chinese)",
    "age_bracket": "young_adult",
    "body": {
      "build": "slim",
      "proportions": "natural human anatomy",
      "posture": "relaxed on sofa, seated casually",
      "pose": "seated, legs crossed and tucked close to body",
      "gesture": "Right hand raised, fingers loosely curled, back of fingers/knuckles gently supporting the chin and lower cheek.",
      "head_tilt_deg": 5
    },
    "face": {
      "expression": "Playful, alluring",
      "gaze": "right eye direct to camera",
      "eye_action": "winking with the left eye",
      "skin_tone": "Very pale porcelain (lightened aesthetic)",
      "makeup": "Stylized K-Beauty/Douyin look: flawless matte base, strong pink blush high on cheeks, pink gradient lips, defined brows, light eyeliner, emphasized Aegyo-sal",
      "features": "small beauty mark/mole under the left eye"
    },
    "hair": {
      "length": "long",
      "style": "messy high updo/bun with loose strands and curtain bangs",
      "color": "dark brown"
    },
    "wardrobe": {
      "top": "white fitted cropped camisole",
      "outerwear": "light gray zip hoodie, worn open and slightly slipping off both shoulders",
      "bottom": "white lounge shorts with drawstring",
      "footwear": "barefoot"
    }
  },
  "environment": {
    "location": "studio or minimalist interior",
    "set": "black leather sofa against a plain white or light gray wall",
    "props": "Silver laptop (Apple MacBook, logo visible) placed on the cushion to the subject's right (camera left)"
  },
  "lighting": {
    "key": {
      "source": "strobe/flash",
      "modifier": "Bare reflector or direct flash (hard source)",
      "position": "Near camera axis, slightly camera-right and above eye line",
      "effect": "Crisp, dark, well-defined cast shadows on the wall directly behind subject; strong specular highlights on skin and sofa leather."
    },
    "fill": {
      "type": "minimal/none"
    },
    "ambient": "suppressed",
    "white_balance_K": 5800
  },
  "camera": {
    "system": "Digital Camera",
    "sensor": "full-frame equivalent",
    "lens": {
      "type": "prime",
      "focal_length_mm": 50
    },
    "exposure": {
      "iso": 100,
      "aperture_f": 4,
      "metering": "Bright exposure, high-key aesthetic"
    },
    "focus": {
      "target": "near eye (right eye)",
      "depth_of_field": "moderate"
    },
    "framing": {
      "orientation": "vertical",
      "crop": "mid-thigh to head with room above hair",
      "angle": "eye-level",
      "composition": "subject centrally framed"
    }
  },
  "color_grade": {
    "look": "Bright, clean, slightly cool tone",
    "contrast": "High contrast",
    "saturation": "moderate, emphasized pinks"
  },
  "postprocess": {
    "noise_reduction": "high",
    "texture": "Highly smoothed skin, poreless appearance ('porcelain doll' or 'beauty filter' effect)",
    "sharpen": "selective on eyes/lashes",
    "blemish_control": "Complete removal of all blemishes and texture."
  },
  "quality_targets": [
    "accurate limb lengths and joint angles",
    "correct finger count and articulation",
    "realistic fabric tension and folds",
    "accurate winking expression"
  ],
  "negative_prompt": [
    "no altered or exaggerated body proportions",
    "no extra or fused fingers",
    "no realistic skin texture, pores, or blemishes",
    "no text or watermarks (excluding specified logos)",
    "no extreme wide-angle distortion",
    "no NSFW content",
    "no dark/moody lighting",
    "no warm tones"
  ]
}