街头浪漫抓拍提示（伊斯坦布尔地铁）

```json { "generation_request": { "meta_data": { "tool": "NanoBanana Pro", "task_type": "photoreal_candid_street_romance", "version": "v2.0_METRO_ENTRANCE_SCARF_FIX_EN", "priority": "highest" }, "output_settings": { "aspect_ratio": "4:5", "orientation": "portrait", "resolution_target": "ultra_high_res", "render_style": "ultra_photoreal_candid_street_film_still", "sharpness": "crisp_but_natural", "film_grain": "subtle_35mm", "color_grade": "restrained_realism_city", "dynamic_range": "natural_not_hdr", "skin_rendering": "real_texture_no_retouch" }, "global_rules": { "camera_language": "35mm 镜头等效焦距，手持抓拍构图，纪录片质感", "lighting_language": "有动机的城市日光 + 地铁入口实用光源，无闪光灯", "authenticity_markers": "真实的人群活力，背景仅轻微模糊，无 AI 光晕" }, "creative_prompt": { "scene_summary": "\"location\": \"Istanbul\" 地铁入口，寒冷的一天。情侣停下脚步。他轻轻地为她整理围巾。公共场合中一个微小的关爱瞬间。", "subjects": { "count": 2, "description": "同一对情侣（20 岁出头），普通，面部清晰可见", "expression": "柔和的专注和羞涩的温暖，仅微表情", "skin_and_face": "真实纹理，无修饰，眼下有轻微阴影" }, "wardrobe_and_props": { "clothing": "中性色调的简单外套/夹克，略有褶皱，无标志", "props": "手中一张地铁卡，一个背包肩带，无品牌标识" }, "micro_action": "他调整她的围巾；她抬头看了一秒；眼神接触持续片刻后自然中断", "environment_details": { "location": "伊斯坦布尔地铁入口氛围", "background": "向下延伸的楼梯，栏杆，模糊的通勤者，城市纹理，无可读文本" }, "composition": "齐眼高度中景，不完美的裁剪，面部清晰，背景自然虚化", "mood": "安静的关怀，不做作的爱" }, "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 光晕", "文字", "标志", "水印" ] } } ```