Chân Dung Thời Trang K-Fashion Đêm Lăng Kính

{
  "model": "gemini-3-pro-image-preview",
  "mode": "image-to-image",
  "consistency_id": "midnight-kfashion-editorial",
  "input_reference": {
    "use_user_uploaded_image": true,
    "identity_lock": "strict",
    "notes": "Preserve the exact identity of the person from the reference photo without altering gender expression, age, ethnicity, facial features, or distinct traits."
  },
  "prompt": {
    "subject": "The same person from the reference photo, photorealistic high-fashion editorial portrait, natural facial proportions and realistic skin texture preserved.",
    "composition": "Extreme close-up editorial portrait, head filling the frame, eyes positioned along the upper third, subtle turn toward camera, tightly cropped from forehead to chin with a hand entering frame from below.",
    "action": "Gentle 'shh' gesture with an index finger positioned vertically against slightly parted lips coated in glossy lip oil, subtle compression and contact shadow, relaxed eyelids, calm and mysterious expression.",
    "location": "Dark studio backdrop with a midnight mood, minimalist with no distracting background elements.",
    "style": "Midnight K-fashion editorial, cinematic luxury beauty photography, magazine-grade high-end retouching with visible natural skin pores.",
    "camera": {
      "shot_type": "beauty close-up",
      "lens": "85mm prime",
      "aperture": "f/1.8",
      "focus": "sharp focus on eyes, lips, and contacting fingertip; soft optical falloff toward hair edges",
      "depth_of_field": "shallow"
    },
    "lighting": {
      "base": "low-key studio lighting with deep blacks",
      "key_light": "soft key light from camera-right, positioned slightly above eye level",
      "fill": "subtle fill light from camera-left keeping shadow detail visible",
      "signature_effect": "diagonal iridescent prism light band across the face in a [cyan-to-violet gradient], clean crisp edge with delicate diffusion",
      "rim": "cool, faint rim light defining hair separation",
      "skin_response": "wet-look specular highlights on cheekbones and lips with realistic micro-shine"
    },
    "beauty_details": [
      "subtle metallic shimmer on eyelids",
      "minimal reflective specks at the outer eye corners",
      "well-defined natural eyebrows",
      "hydrated glossy lips with crisp specular reflection"
    ],
    "motion_details": "A few wisps of hair lightly drifting across the cheek and mouth, crisp without heavy motion blur.",
    "color_grading": "cool midnight palette featuring deep blacks, moody shadows, desaturated midtones, and vibrant cyan and violet prism accents."
  }
}