魅力圣诞老人假日影棚肖像

```json
{
"generation_request": {
"meta_data": {
"tool": "NanoBanana Pro",
"task_type": "photoreal_portrait",
"version": "v1.0",
"priority": "high"
},
"output_settings": {
"aspect_ratio": "3:4",
"orientation": "portrait",
"resolution": "ultra_high_res",
"render_style": "photorealistic",
"sharpness": "high",
"film_grain": "subtle"
},
"creative_prompt": {
"scene_summary": "一张摄影棚内拍摄的写实假日肖像照，一位魅力四射的年轻女性身处圣诞主题房间，身穿红色天鹅绒圣诞老人风格连衣裙和帽子，身后是装饰一新的圣诞树，墙上挂着节日彩旗。整体呈现柔和、干净、高端的时尚杂志风格。",
"subject": {
"type": "年轻成年女性",
"pose": "四分之三身像，臀部略微倾斜，肩膀微侧，头部轻柔倾斜，目光略微偏离镜头",
"expression": "柔和自信",
"skin": "自然肤质，毛孔可见，无塑料感平滑处理",
"makeup": "柔和精致妆容，玫瑰色腮红，眼线分明，自然光泽粉色唇妆",
"hair": "超长、直发、乌黑亮泽，中分，微风拂过的飘逸感"
},
"outfit_and_accessories": {
"headwear": "经典圣诞老人帽，红色天鹅绒配白色毛边",
"dress": "无肩带红色天鹅绒连衣裙，心形领口，领口处有厚实的白色人造毛边，收腰紧身胸衣，喇叭形裙摆，腰部系有细金链腰带",
"gloves": "长款红色天鹅绒手套，白色毛边袖口",
"jewelry": "黑色颈链，带小银色十字架吊坠；垂坠式个性耳环"
},
"environment": {
"background": [
"右侧装饰一新的圣诞树，挂有金色丝带花环和红金色饰品，顶部有金色星星",
"墙上挂着节日三角彩旗",
"墙上简单的圣诞老人装饰",
"干净的白色/柔和色背景"
],
"depth_of_field": "浅景深，背景柔和模糊但可辨认"
},
"lighting_and_camera": {
"lighting": "柔和的摄影棚主光从左前方照射，轻柔补光，头发上有干净的高光，极少硬影",
"camera": "全画幅单反相机效果",
"lens": "85mm 定焦镜头（或 50mm）",
"aperture": "f/2.0",
"focus": "眼睛和面部锐利清晰，天鹅绒和毛边织物质感清晰",
"white_balance": "中性暖色"
}
},
"negative_prompt": [
"复制真实人物身份",
"多余人物",
"文字、标志、水印",
"过度平滑的皮肤，塑料感面部",
"糟糕的手部，手指缺失，手指变形",
"错误解剖结构，肩膀/颈部扭曲",
"帽子融入头发",
"毛边看起来像塑料",
"混浊的颜色，低分辨率，严重模糊",
"面部过曝，生硬的阴影"
]
}
```