写实抓拍风格，雪中伊斯坦布尔的街头浪漫

{ "generation_request": { "meta_data": { "tool": "NanoBanana Pro", "task_type": "photoreal_candid_street_romance", "version": "v1.3_ISTANBUL_SNOW_SNOWMAN_LOVE_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": "true_to_life_winter_natural", "dynamic_range": "natural_not_hdr", "skin_rendering": "real_texture_no_retouch" }, "global_rules": { "camera_language": "35mm lens equivalent, eye-level, imperfect framing, candid documentary feel, focus on eyes when people are present", "authenticity_markers": "subtle halation on snow highlights, tiny film gate weave, slight background motion blur only, real winter street texture, no studio look", "lighting_language": "motivated natural light only (overcast snowy daylight), deep but detailed shadows" }, "creative_prompt": { "scene_summary": "伊斯坦布尔雪天。一对二十出头的年轻情侣一起堆雪人，雪继续下着。一个安静、自然的共享喜悦时刻，，爱无需表演。", "subjects": { "count": 2, "description": "同一对年轻男女（二十出头），大学生，普通真实，不像模特；面部可见，眼睛清晰", "expression": "轻声笑，专注，害羞的幸福；克制而自然", "skin_and_face": "自然皮肤纹理，因寒冷微微泛红的脸颊，无美颜修饰，无塑料感皮肤" }, "wardrobe_and_props": { "female": "简单中性色调冬季外套，围巾松散缠绕，手套因雪微微湿润，长发部分塞进外套", "male": "深色冬季夹克，内搭针织毛衣，简单牛仔裤，手套拿在手里或戴着", "props": "两人之间半成型的雪人，雪粘在袖子和头发上" }, "micro_action": "他们一起滚雪，手不经意间碰触；一人调整雪人的头，另一人笑着；雪花落在肩膀和睫毛上", "environment_details": { "location": "伊斯坦布尔街区街道或公园（莫达/库兹贡丘克/大学周边氛围）", "background": "老式公寓立面覆着雪，停着的车轻轻覆盖，光秃的树枝，远处几个行人柔和虚化", "ground_details": "脚下新雪，不均匀的脚印，靠近人行道的泥泞边缘" }, "lighting": "柔和阴天冬季日光，被降雪漫射；温和对比；明亮雪面上微妙的晕光", "composition": "平视中景，略微偏离中心的构图，像真实街头摄影的不完美裁剪；面部清晰；前景和背景的雪花柔和虚化", "mood": "俏皮，亲密，安静的喜悦，，两个人在寒冷中分享温暖" }, "negative_prompt": [ "studio lighting", "beauty retouch", "plastic skin", "model faces", "posed winter romance poster look", "perfect symmetry", "HDR", "AI glow", "fake snow", "unrealistic snowfall", "text", "logo", "watermark", "cartoon", "painterly" ] } }