咖啡馆约会视角头像提示词，适用于 Nano Banana Pro

```json
{
  "settings": {
    "aspect_ratio": "{argument name=\"aspect ratio\" default=\"3:4\"}",
    "resolution": "{argument name=\"resolution\" default=\"8k\"}",
    "quality_preset": "{argument name=\"quality preset\" default=\"high quality\"}",
    "style_emulation": "{argument name=\"style\" default=\"shot on iPhone style\"}"
  },

  "photography_style": {
    "type": ["{argument name=\"photo type 1\" default=\"realistic candid photo\"}", "{argument name=\"photo type 2\" default=\"photorealistic\"}"],
    "perspective": "{argument name=\"perspective\" default=\"POV date shot\"}",
    "vibe": "{argument name=\"vibe\" default=\"Boyfriend material\"}",
    "lighting": {
      "source": "{argument name=\"light source\" default=\"natural sunlight\"}",
      "quality": "{argument name=\"light quality\" default=\"soft flat lighting\"}"
    },
    "focus": {
      "depth_of_field": "{argument name=\"depth of field\" default=\"shallow\"}",
      "background": "{argument name=\"background\" default=\"blurred with other customers\"}"
    }
  },

  "subject": {
    "demographics": {
      "gender": "{argument name=\"gender\" default=\"male\"}",
      "nationality": "{argument name=\"nationality\" default=\"Japanese\"}",
      "age_range": "{argument name=\"age range\" default=\"20s\"}",
      "descriptor": "{argument name=\"appearance impression\" default=\"handsome\"}"
    },

    "features": {
      "skin_texture": "{argument name=\"skin texture\" default=\"naturally smooth, clear complexion, blemish-free\"}",
      "retouching_level": "{argument name=\"retouching level\" default=\"subtle and realistic\"}"
    },

    "attire": {
      "jacket": "{argument name=\"jacket\" default=\"matte black oversized nylon jacket\"}",
      "jewelry": "{argument name=\"jewelry\" default=\"simple silver ring (left ring finger)\"}"
    },
    "pose_action": {
      "posture": "{argument name=\"posture\" default=\"sitting, leaning forward, elbows on table\"}",
      "hands": "{argument name=\"hand position\" default=\"holding paper coffee cup with both hands\"}",
      "face_interaction": "{argument name=\"face interaction\" default=\"bringing cup to mouth, slightly covering mouth\"}"
    }
  },

  "environment": {
    "location": "{argument name=\"location\" default=\"stylish cafe\"}",
    "immediate_surroundings": "{argument name=\"table\" default=\"light wooden table\"}",
    "architectural_details": [
      "{argument name=\"architectural detail 1\" default=\"white industrial ceiling\"}",
      "{argument name=\"architectural detail 2\" default=\"glass partitions\"}"
    ]
  }
}
```