頭頂冬季情侶照在一顆心裡

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_cinematic_winter_couple_snow_heart_close"
    },
    "references": {
      "female_reference_image": {"purpose": "FEMALE_IDENTITY_LOCK", "strict_identity_lock": true},
      "male_reference_image": {"purpose": "MALE_IDENTITY_LOCK", "strict_identity_lock": true},
      "composition_reference_image": {"purpose": "COMPOSITION_CONCEPT_LOCK_HEART_IN_SNOW", "strict_lock": true, "preserve_scene_logic": true}
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "resolution": "ultra_high_res",
      "render_style": "ultra_photoreal_cinematic_winter_photo",
      "film_grain": "subtle_analog",
      "color_grade": "cool_winter_clean"
    },
    "hard_constraints": [
      "Exactly 2 people only (one female, one male).",
      "Faces must match uploaded references with maximum similarity (no face morph).",
      "A large heart shape is carved/drawn in fresh snow around them (clear continuous outline).",
      "Camera is closer than the reference: faces clearly visible and readable.",
      "Top-down / high-angle aerial look preserved, but tighter crop (less empty snow).",
      "Photorealistic anatomy, correct proportions, no beautify filter.",
      "No text, no logos, no watermark."
    ],
    "camera": {
      "style": "drone / high-angle overhead photo",
      "lens": "35mm equivalent",
      "aperture": "f/4",
      "focus": "sharp on both faces and upper bodies",
      "shutter_speed": "1/800",
      "iso": 200,
      "white_balance": "cool daylight"
    },
    "lighting": {
      "type": "bright winter daylight",
      "contrast": "medium",
      "shadows": "soft but defined (sun slightly off-axis)",
      "snow_detail": "high micro-contrast showing footprints and carved edges"
    },
    "prompt": {
      "scene_summary": "A cinematic overhead winter photo of a couple lying on fresh snow inside a large hand-drawn heart outline. The camera is closer than the reference so their faces are clearly visible and recognizable. They lie side-by-side near the center of the heart, bodies slightly angled toward each other. Their arms are spread outward in a joyful pose.\n\nWardrobe: Male: bright red winter jacket, dark pants, winter gloves. Female: light/cream winter outfit (jacket + pants), gloves.\n\nRealism: Snow surface shows compressed areas under their backs and arms. Natural hair peeking from hats/hoods; subtle wind. No CGI; real photographic texture."
    },
    "negative_prompt": [
      "extra people", "tiny faces", "faces not visible", "identity drift", "face morph", "deformed limbs", "cartoon", "anime", "cgi", "plastic skin", "text", "logo", "watermark"
    ]
  }
}

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