写实户外人像，心形气球与闪光抓拍

{ "generation_request": { "meta_data": { "tool": "NanoBanana Pro", "task_type": "photoreal_outdoor_portrait_heart_balloons_flash_candid", "version": "v1.0_HEART_BALLOONS_PARK_FLASH_CANDID_FACELOCK_EN", "priority": "highest", "language": "en" }, "references": { "reference_image_face": { "source": "UPLOAD_REFERENCE_IMAGE (REQUIRED)", "purpose": "FACE_IDENTITY_LOCK", "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_LIGHTING_COMPOSITION_ANCHOR", "strict_lock": false, "preserve_vibe": true, "preserve_palette": true, "preserve_lighting": true, "preserve_composition": true } }, "global_constraints": { "rating": "PG-13", "no_nudity": true, "no_explicit_sexual_content": true, "no_logos": true, "no_watermark": true, "no_readable_text": true }, "output_settings": { "aspect_ratio": "4:5", "orientation": "portrait", "resolution_target": "ultra_high_res", "render_style": "cinematic_photoreal_candid_photo", "sharpness": "crisp_but_natural", "film_grain": "subtle_35mm", "color_grade": "natural_daylight_with_rich_reds", "dynamic_range": "natural_not_hdr", "skin_rendering": "real_texture_no_retouch" }, "creative_prompt": { "scene_summary": "在阳光明媚、蓝天白云、点缀着零星云朵的草地上，拍摄一张照片级真实的户外随性肖像。同一位年轻成年女性（面部必须与参考图完全一致）站在画面中央，双眼紧闭，笑容灿烂，表情愉悦。她手中握着一束闪亮的红色心形氦气球（6-8个），气球紧贴在她的头部和肩膀周围。细长的白色气球线汇聚在她胸前高度的双手中。气球表面光滑，带有强烈的镜面高光，如同真实的聚酯薄膜气球。\n\n服装：红色无袖紧身上衣（简约、休闲，非内衣）和浅蓝色牛仔裤。自然的肢体语言，俏皮的感觉。\n\n光线：白天户外环境光，加上直接的机顶闪光灯效果（略显生硬但真实），使面部和气球产生明亮的高光，背景则逐渐变暗。\n\n背景：开阔的草坪，远处有深色的树线；没有人群，没有标志，没有文字。保持图像真实可信，具有摄影感。", "composition_and_camera": { "framing": "腰部至大腿中部的肖像，气球填满画面上方，主体居中", "lens": "手机/单反人像感（等效28-50mm）", "depth_of_field": "中等分离度，背景略微柔和但仍可辨认", "authenticity": "真实的气球形状，正确的线张力，自然的手部解剖结构" } }, "negative_prompt": [ "任何文字", "标志", "水印", "可读的品牌名称", "面部不匹配", "身份漂移", "美化", "过度平滑", "塑料感皮肤", "AI光晕", "HDR", "面部过曝", "奇怪的气球接缝", "融化气球", "多余手指", "变形的手", "重复面孔", "不真实的阴影", "卡通", "插画", "动漫", "低分辨率", "主体模糊" ] } }