JSON 风格的 Nano Banana Pro 提示词，用于生成逼真面孔

```json
{
"intent": "生成一张超理想化的抖音风格夜间肖像，主角为参考图中所示的同一位女孩，采用直射闪光摄影，营造出锐利、高对比度的光泽。",
"frame": {
"aspect_ratio": "16:9",
"composition": "特写自拍构图，聚焦于眼睛和嘴唇，额头略微裁切，目光居中。",
"style_mode": "闪光摄影，数字网红美学，柔焦写实主义"
},
"subject": {
"identity": "参考图中的同一位女孩，拥有柔和的年轻面部特征和低调的优雅。",
"skin": "光滑、有光泽的肌肤，反射闪光，形成玻璃般的亮泽，纹理极少。",
"hair": "散开的自然波浪发，捕捉到闪光带来的高光。",
"wardrobe": "极少可见的简约低调上衣，适合城市夜晚。"
},
"environment": {
"location": "夜晚的 {argument name=\"city type in English\" default=\"印度城市\"}。",
"weather": "晴朗、平静的夜空。",
"background": "黑暗的城市背景，建筑物的散景灯光模糊。"
},
"lighting": {
"type": "正面直射手机闪光灯或高强度屏幕补光",
"quality": "硬朗、平坦的照明，消除深层阴影，营造出平滑的二维光泽",
"contrast": "被照亮的面部与黑暗城市背景之间形成强烈分离",
"catchlight": "瞳孔中央的小闪光反射"
},
"camera": {
"sensor_format": "智能手机主摄像头模拟",
"lens": "24mm 广角镜头，略微夸大眼睛大小并柔化面部比例",
"aperture_depth_of_field": "f/1.8–f/2.2，眼睛和嘴唇清晰，背景和发梢瞬间模糊",
"focus": "对虹膜纹理和睫毛进行精准对焦"
},
"negative": {
"content": "无湿发，无雪，无雨，无男性特征，无可见毛孔，无浓重修容妆，无太阳镜，无手入镜。",
"style": "无戏剧性阴影，无复古色调，无绘画效果，无暖色胶片感。"
}
}
```

---

**Original English:**
{
"intent": "Generate a hyper-idealized, Douyin-style night portrait of the same girl attached in reference image using direct flash photography, creating a sharp, high-contrast glow.",
"frame": {
"aspect_ratio": "16:9",
"composition": "Extreme close-up selfie framing focused tightly on eyes and lips, forehead slightly cropped, centered gaze.",
"style_mode": "Flash photography, digital influencer aesthetic, soft-focus realism"
},
"subject": {
"identity": "the same girl attached in reference image with soft youthful features and understated elegance.",
"skin": " with smooth luminous finish reflecting the flash, creating a glassy glow with minimal texture.",
"hair": " loose, naturally wavy catching specular highlights from the flash.",
"wardrobe": "Minimal visibility of a simple, understated top suited for a city night."
},
"environment": {
"location": "Nighttime {argument name="city type" default="indian city"}.",
"weather": "Clear, calm night sky.",
"background": "Dark urban backdrop with blurred bokeh lights from buildings."
},
"lighting": {
"type": "Direct frontal phone flash or high-intensity screen light",
"quality": "Hard, flat lighting eliminating deep shadows and creating a smooth two-dimensional glow",
"contrast": "Strong separation between the illuminated face and the dark city background",
"catchlight": "Small flash reflection in the center of pupils"
},
"camera": {
"sensor_format": "Smartphone main camera simulation",
"lens": "24mm wide-angle lens exaggerating eye size and softening facial proportions",
"aperture_depth_of_field": "f/1.8–f/2.2, sharp on eyes and lips, instant blur on background and edges of hair",
"focus": "Critical focus on iris texture and lashes"
},
"negative": {
"content": "No wet hair, no snow, no rain, no masculine features, no visible pores, no contour-heavy makeup, no sunglasses, no hands in frame.",
"style": "No dramatic shadows, no vintage tones, no painterly effects, no warm film look."
}
}