写实抓拍生日火焰彩屑图像提示词

{ "generation_request": { "meta_data": { "tool": "NanoBanana Pro", "task_type": "text_to_image_photoreal_candid_birthday_flame_confetti", "version": "v1.0" }, "references": { "person_reference": "UPLOAD_PERSON_REFERENCE_IMAGE", "identity_lock": "exact face match to uploaded reference, facial structure, proportions, skin tone and texture preserved, no beautification, no morphing, no identity drift" }, "output_settings": { "aspect_ratio": "9:16", "resolution": "ultra_high_res", "render_style": "photorealistic_candid_lowlight_flash", "film_grain": "subtle", "color_grade": "warm_lowlight_contrast_with_rosy_highlights" }, "creative_prompt": { "scene": "Ultra-photoreal candid night indoor birthday moment, dim modern interior with dark wood elements and geometric ceiling beams, background falling into soft darkness", "wardrobe_lock": "shimmering rose-pink satin slip dress with thin straps, soft liquid drape, satin catching the flash and flame glow with gentle specular highlights, delicate gold jewelry", "action": "subject holds a small round birthday cake at chest height with both hands supporting the platter, multiple lit candles, blowing toward the candles with pursed lips and slightly puffed cheeks, eyes catching the flame glow, joyful celebratory energy", "fx": { "flame": "dramatic flame burst erupting from the candles and expanding to the left third of the frame, bright flame core with glowing embers trailing, mild halation around the highlights", "confetti": "simultaneous shower of metallic gold and rose-gold confetti falling through the upper half of the frame, each piece frozen sharp by the flash with bright specular reflections, a few pieces drifting close to the flame glow and catching its warm light, some landing on her hair and shoulders", "layering": "flame burst dominates the left third, confetti fills the upper and center air, the two effects stay visually separate and never merge into one bright mass" }, "composition": "9:16 vertical, medium-full body head to below hips, subject on right third, flame burst on left third, confetti density highest at the top of the frame and thinning toward the cake", "lighting_and_camera": "candlelight and flame burst as motivated key, subtle on-camera flash pop freezing the confetti, low ambient fill, 35mm look, f/2.8, ISO 800, 1/160, warm flame light on the left side of her face, flash highlights on satin and confetti", "hard_constraints": [ "one subject only", "exact identity match, no drift", "cake supported by both hands under the platter", "blowing action visible with pursed lips", "flame burst expanding left, confetti frozen sharp in the air, both present in the same frame", "flame and confetti remain distinct, no merging glow", "photoreal skin texture, no smoothing", "anatomically correct hands and fingers", "no text, no logos, no watermark" ] }, "negative_prompt": [ "identity drift", "beautify filter", "plastic skin", "cgi look", "3d render", "anime", "extra people", "extra fingers", "deformed hands", "double face", "blurred face", "motion blur on confetti", "confetti on fire", "burning paper", "smoke covering face", "single giant glow blob", "overexposed face", "text", "logo", "watermark" ] } }