Generation prompt
```json { "generation_request": { "meta_data": { "tool": "NanoBanana Pro", "task_type": "photoreal_candid_couple_racetrack_lifestyle", "version": "v1.0_RACEWEEKEND_CANDID_COUPLE_GRANDSTAND_NO_TEXT_EN", "priority": "highest", "language": "en" }, "references": { "reference_image_face_female": { "source": "UPLOAD_REFERENCE_IMAGE (REQUIRED)", "purpose": "FACE_IDENTITY_LOCK_FEMALE", "strict_lock": true, "face_similarity_priority": "MAX", "no_identity_blending": true, "no_beautify": true, "no_age_shift": true, "preserve_skin_texture": true, "preserve_facial_proportions": true, "preserve_moles_freckles_scars": true, "preserve_eye_shape": true, "preserve_nose_shape": true, "preserve_lip_shape": true, "preserve_jawline": true }, "reference_image_style": { "source": "UPLOAD_REFERENCE_IMAGE (OPTIONAL)", "purpose": "STYLE_COMPOSITION_ANCHOR", "strict_lock": false, "preserve_lighting": true, "preserve_palette": true, "preserve_vibe": true, "preserve_composition": true } }, "global_constraints": { "rating": "PG-13", "no_explicit_sexual_content": true, "no_nudity": true, "no_text": true, "no_logos": true, "no_watermark": true }, "output_settings": { "aspect_ratio": "4:5", "orientation": "portrait", "resolution_target": "ultra_high_res", "render_style": "ultra_photoreal_candid_lifestyle_editorial", "sharpness": "crisp_but_natural", "film_grain": "subtle", "color_grade": "daylight_film_clean", "dynamic_range": "natural_not_hdr", "skin_rendering": "real_texture_no_retouch" }, "global_rules": { "camera_language": "35mm 抓拍照片，略带手持感，自然透视，面部对焦清晰，人群景深真实", "lighting_language": "明亮阴天至晴天的日光，柔和阴影，无刺眼闪光", "authenticity_markers": "无 AI 光晕，无 HDR，手部和手指准确，无扭曲栏杆，身份必须与参考图完全匹配" }, "creative_prompt": { "scene_summary": "一张在现代赛车场看台上的写实抓拍情侣照。成年女性（面部与参考图完全匹配）站在前方，姿态放松地靠在金属栏杆上。她的伴侣站在她身后，一只手臂自然地环绕着她的腰部，姿态亲昵。背景显示赛道弯道、看台和远处的大屏幕，所有这些都柔和模糊。绝对不能有任何可读的品牌名称或文字（屏幕、横幅、赛道板必须空白/不可读）。", "wardrobe_and_style": { "female_outfit": "" } } } } ```
