Nano Banana 提示词作品

{ "photo_type": "Cinematic winter portrait (ultra-realistic human with stylized companion)",  "subject": { "description": "A real human woman in a snowy outdoor environment, photographed like a high-end cinematic winter shoot", "gender": "Female", "pose_description": "Standing upright on snow, body slightly angled, left arm raised outward with palm open, right arm relaxed, confident elegant posture", "expression": "Soft calm expression with a subtle confident smile" },  "face": { "description": "Sadie Sink, use uploaded reference image, keep face 100% identical with real human texture", "extra_realism": [ "visible pores", "subtle asymmetry", "natural lip texture", "cold redness on cheeks" ] },  "hair": { "color": "Golden blonde blended with icy white highlights", "style": "Thick voluminous side braid", "details": [ "full dense braid", "loose front strands", "flyaways", "natural uneven thickness" ], "physics": "natural wind interaction" },  "clothing": { "type": "Short flowing winter dress", "design": "upper-thigh length, softly fitted at the waist with a gently flared skirt", "exposure_balance": "tasteful and elegant reveal of legs and silhouette without explicit exposure", "fabric_realism": [ "fine textile detail", "slightly sheer outer layer with inner lining", "natural folds", "light scattering" ], "physics": [ "wind lifting hem slightly", "gravity-based draping", "imperfect flowing edges" ] },  "companion_character": { "type": "Stylized semi-real snowman", "style_balance": "70% real, 30% cartoon",  "structure": [   "three stacked snow spheres with slightly rounded proportions",   "textured snow surface",   "slightly expressive head size" ],  "face": {   "eyes": "coal eyes slightly larger and expressive",   "nose": "stylized carrot nose",   "mouth": "clean coal smile, slightly imperfect" },  "body_details": [   "twig arms with gentle curves",   "coal buttons evenly spaced",   "visible snow texture" ],  "material_behavior": [   "realistic snow light reflection",   "softened edges for character feel" ],  "position": "standing beside the woman, slightly angled toward her"  },  "environment": { "setting": "Real snowy outdoor location", "details": [ "uneven snow surface", "footprints", "falling snow particles", "light atmospheric haze" ], "interaction": [ "snow bounce light on subject", "light snow settling on dress and hair" ] },  "lighting": { "type": "Natural winter daylight", "setup": [ "overcast soft light", "strong snow bounce fill", "subtle rim separation" ], "effects": [ "soft light wrap", "natural highlights" ], "color_temperature": "cool daylight 6200K" },  "camera": { "type": "Full-frame DSLR", "lens": "85mm", "aperture": "f/2.0", "iso": "ISO 125", "shutter_speed": "1/500s", "focus": "sharp on subject and snowman, soft background falloff" },  "imperfections": { "add": [ "fine grain", "slight shadow noise", "natural hair movement", "minor asymmetry" ] },  "color_grading": { "style": "cinematic natural realism", "rules": [ "balanced skin tones", "cool shadows", "clean highlights", "no heavy filters" ] },  "resolution_and_aspect_ratio": "8K, 9:16",  "final_director_notes": "Keep the subject realistic and grounded. The short dress should feel elegant and confident, not exaggerated. The snowman must retain a believable material feel with slight character styling." }