Gemini Nano Banana 3 - 高时尚街头服装编辑

json Gemini Nano Banana 3 Prompt: { "meta_control": { "generation_mode": "multi_panel_consistent", "priority_stack": ["identity_lock", "perspective_physics", "material_fidelity", "environmental_coherence"], "quality_target": "editorial_print_ready" }, "intent": { "primary": "High-fashion streetwear editorial with extreme wide-angle perspective study", "secondary": "Technical demonstration of foreshortening and forced perspective", "publication_context": "Double-page spread, fashion magazine collage layout" }, "frame": { "aspect_ratio": "3:4", "layout": { "type": "2x2 grid collage", "gutter_width": "2px white or seamless", "panel_uniformity": "identical dimensions per panel" } }, "subject": { "type": "Human male model", "identity_lock": { "enforcement_level": "strict", "anchor_features": ["face_geometry", "skin_tone", "body_proportions", "hair_style"] }, "biometrics": { "age_presentation": "22-30", "height_cm": 178, "build": "Athletic, masculine proportions", "ethnicity_presentation": "Your real appearance from reference image" }, "facial_signature": { "structure": "As in reference image (identity locked)", "eyes": "Match reference image", "nose": "Match reference image", "lips": "Match reference image", "skin": "Match reference — natural texture preserved", "expression_default": "Neutral confidence, direct eye contact" }, "hair": { "style": "Match reference image", "texture": "Match reference", "behavior": "Natural movement responding to pose changes" }, "wardrobe": { "jacket": { "item": "Oversized bomber jacket", "material": "Ripstop nylon, high gloss", "color": "Neon orange (vivid, saturated)", "state": "Unzipped, hanging open", "light_behavior": "Sharp specular highlights, visible weave texture" }, "top": { "item": "Fitted black crew-neck T-shirt", "material": "Thick cotton jersey", "fit": "Slightly tight, masculine silhouette", "details": "Minimal, no logos, subtle ribbed collar" }, "pants": { "item": "Tactical cargo pants", "material": "Heavy cotton twill, matte", "color": "Charcoal grey", "details": "Multiple pockets, silver buckles, black nylon straps, baggy fit" }, "footwear": { "item": "Platform sneakers", "color": "White, chunky sole", "condition": "Clean but worn, realistic sole texture" } }, "accessories": { "neck": "Layered heavy silver Cuban link chains", "hands": "Silver rings on index and middle fingers both hands" } }, "panels": [ { "id": 1, "position": "top-left", "concept": "Extreme low-angle sneaker perspective", "camera": { "height_cm": 10, "distance_cm": 35, "angle": "Looking up at 75 degrees" }, "composition": { "foreground_dominant": "Right sneaker sole filling 40% of frame", "midground": "Legs receding upward", "background": "Torso and face small in upper frame, looking down" }, "subject_pose": "Standing, weight back, right foot extended toward lens", "expression": "Looking down, slight smirk" }, { "id": 2, "position": "top-right", "concept": "Bird\'s-eye reaching hand", "camera": { "height_cm": 200, "distance_cm": 60, "angle": "Looking straight down" }, "composition": { "foreground_dominant": "Hand reaching up, oversized perspective", "midground": "Face looking up", "background": "Body compressed, pavement visible" }, "subject_pose": "Deep squat, one arm reaching up to camera", "expression": "Intense upward eye contact, serious" }, { "id": 3, "position": "bottom-left", "concept": "Fisheye face extreme close-up", "camera": { "height_cm": 150, "distance_cm": 20, "angle": "Dutch tilt 20 degrees" }, "composition": { "foreground_dominant": "Face filling 70% of frame", "background": "Environment warping and curving at edges" }, "subject_pose": "Leaning face toward camera", "expression": "Piercing eye contact, confident" }, { "id": 4, "position": "bottom-right", "concept": "Seated knee-forward perspective", "camera": { "height_cm": 40, "distance_cm": 50, "angle": "Slight upward looking" }, "composition": { "foreground_dominant": "Knees and shins large in frame", "midground": "Torso leaning forward", "background": "Face in upper third" }, "subject_pose": "Seated on pavement, knees up, leaning toward camera", "expression": "Relaxed confidence" } ], "environment": { "location_type": "Urban industrial alleyway", "surfaces": { "ground": "Weathered concrete pavement", "walls": "Concrete and brick, metal doors, subtle graffiti" }, "atmosphere": "Gritty urban", "consistency_rule": "Identical environment across all panels" }, "lighting": { "source": "Natural afternoon sunlight", "quality": "Hard directional light", "direction": "45 degrees from left", "shadow_character": "Sharp, deep shadows", "color_temperature_kelvin": 5500, "fill": "Minimal ambient bounce" }, "camera_global": { "lens": "Ultra-wide 12–14mm rectilinear", "aperture": "f/8", "depth_of_field": "Deep", "distortion": "Barrel distortion, exaggerated foreshortening", "sensor": "Full-frame high resolution" }, "post_processing": { "color_grade": { "contrast": "High", "saturation_subject": "Vivid", "saturation_background": "Muted", "blacks": "Deep", "highlights": "Preserved" }, "texture": "8K resolution equivalent", "film_treatment": "Subtle RAW grain" }, "negative_constraints": { "style_rejection": ["illustration", "anime", "cartoon", "painting", "CGI", "AI art look"], "anatomical_rejection": ["extra fingers", "missing fingers", "incorrect limbs"], "consistency_rejection": ["face change", "lighting change", "clothing inconsistency"], "technical_rejection": ["blur", "noise", "watermark", "text"], "lens_rejection": ["telephoto", "portrait lens look"] } }