Nano Banana 提示词作品

{ "photo_type": "Elevator mirror selfie (real iPhone capture, indoor neutral lighting)",
"subjects": { "count": 2,
"faces": {
  "description": "Use 2 uploaded reference images, keep identity exact, no smoothing, no reshaping, no facial edits, preserve exact facial structure, skin tone, eyes, lips"
},

"pose_description": "two friends standing close in elevator mirror, right subject holding phone taking selfie, left subject slightly leaning with one leg bent upward and one arm raised",

"expressions": [
  "right: excited open smile, candid energy",
  "left: playful pout expression"
],

"body_language": [
  "relaxed posture",
  "casual friendly closeness",
  "slight asymmetry",
  "not perfectly posed"
]
},
"clothing": { "details": [ "left: red puffer jacket, grey sweatpants, sneakers, shoulder bag", "right: light cropped top, grey joggers, hoodie layer, handbag", "natural fabric folds and creases", "realistic outfit texture" ] },
"lighting": { "type": "elevator indoor lighting",
"setup": [
  "top ceiling lights",
  "metal wall reflections",
  "slight uneven brightness across faces"
],

"effects": [
  "soft highlights on forehead and cheeks",
  "shadow under chin",
  "slight dull metallic reflection",
  "not perfectly balanced light"
],

"color_temperature": "neutral 3800K to 4200K"
},
"phone_capture": { "details": [ "visible iPhone in hand", "mirror reflection framing", "slight wide lens distortion", "handheld imperfect angle" ] },
"camera": { "type": "smartphone camera",
"lens": "26mm wide",

"settings": {
  "aperture": "f/1.8",
  "iso": "ISO 200-600",
  "shutter_speed": "1/40s"
},

"focus": "slightly imperfect focus",

"sensor_behavior": [
  "minor grain",
  "shadow noise",
  "slight softness"
]
},
"skin_realism": { "details": [ "visible pores", "natural shine", "uneven texture", "no airbrushing" ] },
"hair": { "details": [ "natural loose strands", "slight frizz", "not perfectly styled" ] },
"background": { "setting": "elevator interior",
"details": [
  "metal reflective walls",
  "panel lines visible",
  "subtle scratches or texture",
  "real depth from reflection"
]
},
"color_grading": { "style": "raw phone photo",
"rules": [
  "no heavy filters",
  "neutral tone",
  "natural contrast",
  "not cinematic"
]
},
"imperfections": [ "grain", "lighting imbalance", "minor blur", "lens distortion" ],
"composition": { "camera_angle": "mirror selfie angle", "framing": "tight mid-body framing", "depth": "both subjects clear, slight background softness" },
"resolution_and_aspect_ratio": "4K, 4:5",
"vibe": "casual friends moment, fun, unfiltered, spontaneous",
"strict_rules": { "must_have": [ "mirror selfie look", "phone visible", "reference faces unchanged", "real skin texture", "imperfect lighting" ],
"avoid": [
  "studio lighting",
  "perfect symmetry",
  "over editing",
  "plastic skin",
  "cinematic grading"
]
},
"final_director_notes": "Make it feel like a real elevator selfie between friends. Keep natural imperfections and avoid any artificial polish."