超逼真偷拍旅行浪漫场景：爱琴海石街

```json
{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_candid_travel_romance",
      "version": "v1.0_AEGEAN_STONE_STREET_SHADE_WALK_EN",
      "priority": "highest"
    },
    "output_settings": {
      "aspect_ratio": "9:16",
      "orientation": "portrait",
      "resolution_target": "ultra_high_res",
      "render_style": "ultra_photoreal_candid_film_still",
      "sharpness": "crisp_but_natural",
      "film_grain": "subtle_35mm",
      "color_grade": "restrained_true_to_life",
      "dynamic_range": "natural_not_hdr",
      "skin_rendering": "real_texture_no_retouch"
    },
    "global_rules": {
      "camera_language": "35mm 镜头等效焦距，平视视角，手持拍摄，纪实抓拍感",
      "lighting_language": "仅使用自然光（阴影反弹 + 阳光轮廓），无闪光灯",
      "authenticity_markers": "真实的石头纹理，剥落的油漆，不完美的构图，无华丽感"
    },
    "creative_prompt": {
      "scene_summary": "爱琴海小镇狭窄的石板街道，头顶是三角梅。他们在午后的阴影中缓缓行走。一个微小的动作成为场景的焦点。",
      "subjects": {
        "count": 2,
        "description": "20 岁出头的年轻男女，普通而真实；面部清晰可见",
        "expression": "平静的微笑，舒适的沉默",
        "skin_and_face": "自然纹理，无修饰"
      },
      "wardrobe_and_props": {
        "female": "简单的夏日连衣裙或轻薄衬衫，棉质纹理，头发因潮湿略显毛躁",
        "male": "普通衬衫/T 恤，休闲裤，略有褶皱",
        "props": "小背包或手提袋，无品牌标志"
      },
      "micro_action": "一人不经意地为另一人整理衣领或头发；他们交换一个眼神",
      "environment_details": {
        "location": "爱琴海石板街道",
        "background": "磨损边缘的白色墙壁，石阶，三角梅，门口模糊的猫咪",
        "signage_rule": "无可读文本/标志"
      },
      "lighting": "柔和的阴影与轻微的阳光轮廓；受控的高光；深邃但细节丰富的阴影",
      "composition": "平视中景，略微倾斜，不完美的构图，如同真实的街头摄影；面部清晰；背景自然虚化",
      "mood": "宁静的温柔，真实的时间感"
    },
    "negative_prompt": [
      "影棚灯光",
      "闪光灯",
      "美颜修饰",
      "塑料皮肤",
      "模特脸",
      "完美对称",
      "HDR",
      "AI 光泽",
      "奢侈时尚摄影",
      "文字",
      "标志",
      "水印"
    ]
  }
}
```