3x3 编辑网格，带粉色心形气球和身份锁

```json
{
  "request_metadata": {
    "model": "Nano Banana Pro",
    "content_type": "photoreal_editorial_pink_heart_balloon_3x3_grid",
    "quality_preset": "ultra",
    "format_aspect_ratio": "1:1",
    "output": "3x3_grid"
  },
  "references": {
    "reference_images": {
      "female_reference": "UPLOAD_FEMALE_REFERENCE_IMAGE (REQUIRED)"
    },
    "reference_rules": {
      "exactly_one_reference_only": true,
      "preserve_identity_female": true,
      "identity_lock_strength_female": 0.995,
      "face_similarity_priority": "MAX",
      "preserve_facial_proportions": true,
      "preserve_eye_shape_nose_lips_jawline": true,
      "no_identity_blending": true,
      "no_beautify_no_face_morph": true
    }
  },
  "layout": {
    "type": "3x3_grid",
    "description": "所有 9 个画面中都是同一位女性。服装、背景、灯光、镜头/色调均相同。每个画面仅姿势、手部位置和眼神有所变化。",
    "grid_style": {
      "borders": "细白色分隔线",
      "consistency_rule": "所有画面具有相同的色彩分级和柔和度"
    },
    "frame_labels": [
      "1) 气球抱在胸前，眼神羞涩",
      "2) 气球斜置于肩旁，微笑柔和",
      "3) 气球举过头顶，神情俏皮",
      "4) 气球靠近脸部，眼神梦幻",
      "5) 气球置于胸部中央，经典时尚大片",
      "6) 气球举过头顶，姿态自信",
      "7) 气球低垂，双眼紧闭",
      "8) 气球在头顶上方，轻触头发",
      "9) 气球举过头顶，侧面一瞥"
    ]
  },
  "global_scene": {
    "environment": {
      "background": "纯色暖白色影棚墙壁，平滑纹理，无道具，无文字"
    },
    "lighting": {
      "type": "柔和影棚灯光",
      "setup": "大型柔光主灯 + 柔和补光",
      "quality": "低对比度，讨喜的高光，无生硬阴影"
    },
    "style": {
      "look": "干净的时尚大片风格",
      "diffusion": "非常微妙的柔和雾气",
      "grain": "非常微妙的胶片颗粒感",
      "retouching": "极简；保留自然皮肤纹理"
    },
    "camera": {
      "lens": "50mm 时尚人像镜头感",
      "aperture": "f/2.8 光圈感",
      "sharpness": "主体清晰，柔和扩散"
    },
    "consistency_locks": {
      "same_outfit": true,
      "same_background": true,
      "same_lighting": true,
      "same_color_grade": true
    }
  },
  "subject_profile": {
    "gender": "女性",
    "age_group": "青年",
    "identity": "与参考图完全相同的面部（无偏差）",
    "hair": {
      "style": "长发，柔和波浪",
      "color": "柔和金发/金金色，所有画面保持一致（不要改变面部特征）"
    },
    "makeup": {
      "style": "柔和魅力妆",
      "skin": "自然纹理",
      "lips": "柔和玫瑰粉色缎面唇",
      "eyes": "清晰但柔和"
    },
    "wardrobe": {
      "dress": "{argument name=\"dress color\" default=\"pink\"} 缎面吊带裙/上衣，优雅且完全不透明，细肩带， subtle sheen (satin refle"
    }
  }
}
```