Nano Banana 提示词作品

{
  "photo_type": "Night rooftop flash photo with fireworks (two-person candid lifestyle)",

  "subjects": [
    {
      "id": "person_left",
      "description": "Young woman standing on left side",
      "face": {
        "description": "Use reference image 1, keep face 100% unchanged"
      },
      "pose_description": "Standing upright, slightly leaning into the other person, one arm relaxed downward",
      "expression": "Bright natural smile, looking directly at camera"
    },
    {
      "id": "person_right",
      "description": "Young woman standing on right side",
      "face": {
        "description": "Use reference image 2, keep face 100% unchanged"
      },
      "pose_description": "Leaning closely into the left person, body angled inward, one arm wrapped lightly around her",
      "expression": "Wide happy smile, face slightly tilted toward the other person"
    }
  ],

  "interaction": {
    "relationship": "close friends",
    "body_contact": "tight side hug, hips and shoulders touching",
    "energy": "happy, celebratory, spontaneous"
  },

  "hair": {
    "rule": "Keep exact hair from each reference image",
    "details": [
      "natural shine from flash",
      "slight movement",
      "individual strands visible"
    ]
  },

  "clothing": {
    "person_left": {
      "type": "short black dress",
      "fabric": "soft matte fabric",
      "fit": "fitted with natural folds"
    },
    "person_right": {
      "type": "light satin mini dress",
      "color": "light green",
      "fabric": "shiny satin",
      "details": "thin straps with reflective highlights"
    }
  },

  "environment": {
    "setting": "rooftop or balcony at night",

    "elements": [
      "city skyline with lights",
      "water body reflecting lights",
      "fireworks in the sky",
      "dark night atmosphere"
    ],

    "depth": [
      "subjects foreground",
      "city midground",
      "fireworks background sky"
    ]
  },

  "lighting": {
    "type": "mixed flash + ambient",

    "setup": [
      "strong direct camera flash on subjects",
      "dark environment",
      "fireworks providing colored background light"
    ],

    "effects": [
      "bright illuminated faces",
      "hard shadows behind subjects",
      "colorful light reflections from fireworks",
      "slight glow in background"
    ],

    "color_temperature": "flash neutral + warm city lights mix"
  },

  "camera": {
    "type": "smartphone or compact camera",

    "lens": "26mm wide-angle",

    "settings": {
      "aperture": "f/1.8",
      "iso": "ISO 800",
      "shutter_speed": "1/60s"
    },

    "effects": [
      "noise in dark areas",
      "slight motion blur in fireworks",
      "sharp flash-lit subjects",
      "background exposure falloff"
    ]
  },

  "composition": {
    "camera_angle": "eye level",
    "framing": "mid to full body two-person shot",
    "focus": "sharp on both faces",
    "background": "slightly soft but visible fireworks"
  },

  "color_grading": {
    "style": "night flash realism",

    "rules": [
      "high contrast between subject and background",
      "warm skin tones",
      "cool night tones",
      "vivid fireworks colors"
    ]
  },

  "imperfections": {
    "add": [
      "grain in shadows",
      "slight overexposure from flash",
      "motion blur in background lights",
      "natural skin texture"
    ]
  },

  "resolution_and_aspect_ratio": "4K, 9:16",

  "vibe": "celebration, nightlife, joyful moment",

  "strict_rules": {
    "must_have": [
      "two distinct subjects",
      "correct face per reference",
      "tight physical interaction",
      "flash-lit foreground",
      "visible fireworks background"
    ],
    "avoid": [
      "face blending",
      "studio lighting",
      "cartoon fireworks",
      "over-smoothing"
    ]
  },

}