Google Gemini Nano Banana pro 女性肖像

Google Gemini Nano Banana pro ✨
Prompt :
{
 "image_type": "photorealistic portrait",
 "resolution": "8K ultra high definition",
 "aspect_ratio": "vertical portrait",
 "camera_perspective": {
 "framing": "mid-length portrait",
 "angle": "slightly elevated eye-level angle",
 "focus": "sharp focus on subject, background slightly softer"
 },
 "subject": {
 "gender": "female",
 "age_appearance": "young adult",
 "skin_tone": "fair, smooth, even complexion",
 "facial_features": {
 "face_shape": "oval",
 "eyes": {
 "color": "light blue-grey",
 "expression": "calm, introspective, distant gaze",
 "direction": "looking slightly to her left (viewer’s right)"
 },
 "eyebrows": "natural, medium thickness, softly arched",
 "nose": "slim, straight",
 "lips": {
 "color": "soft natural pink",
 "expression": "neutral, relaxed"
 }
 },
 "hair": {
 "color": "medium brown",
 "texture": "soft, slightly wavy",
 "style": "loosely tied low bun with fine strands framing the face",
 "finish": "natural, matte"
 }
 },
 "pose_and_body_language": {
 "position": "seated",
 "posture": "relaxed, slightly leaning back into chair",
 "shoulders": "gently angled",
 "arms": "both arms resting on lap",
 "hands": {
 "position": "fingers loosely interlaced",
 "detail": "natural nails, no visible nail polish"
 }
 },
 "clothing": {
 "dress_type": "off-shoulder evening dress",
 "fabric": "velvet",
 "color": "deep burgundy / wine red",
 "texture_detail": "rich velvet sheen with visible light absorption and soft highlights",
 "design_details": {
 "neckline": "off-shoulder with thin straps",
 "bodice": "pleated vertical gathers",
 "waist": "fitted with horizontal ruching",
 "decorative_element": "fabric rose on left shoulder strap",
 "skirt": "flowing, smooth velvet drape extending downward"
 }
 },
 "accessories": {
 "necklace": {
 "type": "delicate chain",
 "pendant": "small heart-shaped pendant",
 "material": "gold-toned"
 },
 "bracelet": {
 "wrist": "right wrist",
 "style": "thin chain bracelet",
 "material": "gold-toned"
 },
 "earrings": {
 "type": "small stud earrings",
 "color": "pearl white"
 }
 },
 "chair": {
 "type": "wingback armchair",
 "upholstery": {
 "pattern": "ornate floral damask",
 "colors": [
 "beige base",
 "muted gold",
 "soft pink",
 "olive green"
 ],
 "texture": "woven fabric with visible pattern depth"
 },
 "contrast": "enhanced contrast making floral patterns prominent"
 },
 "environment": {
 "setting": "indoor",
 "background": {
 "wall": "light-colored vertical paneling",
 "visibility": "partially visible behind chair",
 "detail_level": "minimal, clean"
 }
 },
 "lighting": {
 "type": "soft natural light",
 "direction": "coming from subject’s left side",
 "effect": {
 "skin": "smooth highlights, gentle shadows",
 "fabric": "accentuates velvet texture",
 "chair": "enhances depth and contrast of patterns"
 }
 },
 "color_palette": {
 "dominant_colors": [
 "burgundy",
 "beige",
 "gold",
 "soft pink"
 ],
 "mood": "warm, elegant, calm"
 },
 "image_style": {
 "look": "AI-edited, high-end editorial",
 "realism_level": "high photorealism",
 "noise": "none",
 "sharpness": "ultra-sharp 8K clarity"
 },
 "quality_settings": {
 "detail_level": "extreme micro-details visible",
 "skin_texture": "natural, not over-smoothed",
 "fabric_detail": "clearly visible velvet fibers",
 "overall_finish": "clean, cinematic, premium"
 },
 "constraints": {
 "no_crop": true,
 "no_zoom": true,
 "original_framing_preserved": true
 }
}