Nano Banana 身份保留结构增强提示词

{ "metadata": { "requestID": "structure_enhancement_v3", "sourceReference": "image_0.png", "conformanceConstraints": [ { "target": "face", "requirement": "exact identity match (100%)" }, { "target": "body", "requirement": "exact identity match (100%)" } ] }, "sceneDefinition": { "mainSubject": { "entityType": "person", "demographics": { "gender": "female", "description": "beautiful woman" }, "physicalAppearance": { "hair": { "attributes": { "hue": "dark black", "length": "long", "texture": "slight wave" }, "state": { "style": "loose, flowing", "placement": [ "cascading down back", "over right shoulder" ] } } }, "currentActionState": { "pose": { "torsoOrientation": "angled away from camera", "headPosition": { "action": "turned backward", "direction": "over right shoulder" }, "gaze": { "target": "viewer", "contactType": "direct" } }, "expression": { "primaryEmotion": "confidence", "description": "self-assured" } }, "inventory": { "clothingLayers": [ { "layerOrder": 1, "itemType": "top", "specifications": { "garmentStyle": "tank top (bodysuit style implied)", "colorOptions": [ "light beige", "white" ], "fit": "form-fitting", "sleeves": "none" }, "wornConfiguration": { "isTucked": true, "tuckedIntoLayer": 2 } }, { "layerOrder": 2, "itemType": "bottoms", "specifications": { "garmentStyle": "jeans", "material": "denim", "washType": "light blue", "waistline": "high-waisted", "fit": "fitted skinny/slim" }, "features": { "distressDetails": [ { "type": "fabric rip", "location": "back right pocket area" } ] } } ], "accessories": [ { "itemType": "wearable technology", "specifications": { "deviceType": "smartwatch", "interface": "digital display", "primaryColor": "white" }, "placement": { "bodyPart": "wrist", "side": "left" } } ] } }, "environmentalContext": { "backdrop": { "type": "studio background", "texture": "solid, seamless", "colorPalette": { "hueOptions": [ "soft coral", "vibrant pink" ], "saturation": "vibrant", "brightness": "soft" } }, "illumination": { "setupType": "professional studio lighting", "quality": "soft, diffused", "atmosphericEffect": "creates a gentle, flattering glow on subject and background" } } } }