Sydney Sweeney 汽车自拍提示词

```json
{
  "prompt_type": "写实图像生成",
  "aspect_ratio": "3:4",
  "camera": {
    "shot_type": "特写肖像",
    "angle": "略微偏离中心，与视线齐平的角度",
    "lens": "智能手机前置摄像头风格",
    "depth_of_field": "浅景深，主体清晰对焦，背景柔和模糊",
    "perspective": "亲密的自拍式构图"
  },
  "subject": {
    "type": "女孩",
    "age_range": "青年",
    "body_visibility": "头部、颈部、肩部、部分上胸部",
    "pose": "头部略微转向一侧，脸部朝向镜头",
    "gesture": "一根手指轻轻触碰下唇",
    "expression": {
      "facial_mood": "柔和、俏皮、微妙的表情",
      "lips": "微启",
      "emotion": "平静、亲密、自然的自拍瞬间"
    }
  },
  "hands_and_gesture": {
    "hand_position": "一只手抬起，食指触碰下唇",
    "gesture_style": "柔和、精致、有意的",
    "nails": "短而自然"
  },
  "clothing_and_accessories": {
    "top": {
      "type": "长袍式或缎面质感上衣",
      "fit": "宽松，领口开放",
      "design": "纯色主色调，带有图案饰边"
    },
    "jewelry": "无可见首饰"
  },
  "environment": {
    "location": "车内",
    "seat": "浅色皮革汽车座椅",
    "background_elements": {
      "car_window": "侧窗可见",
      "exterior": "车窗外模糊的城市街景"
    }
  },
  "lighting": {
    "type": "自然日光",
    "source": "侧窗光线",
    "quality": "柔和漫射",
    "effect": "均匀照明，带有柔和的高光，无刺眼阴影"
  },
  "color_grading": {
    "overall_tone": "柔和的马卡龙色调",
    "temperature": "略微暖色调",
    "contrast": "低",
    "saturation": "适中",
    "vibe": "干净、梦幻、Instagram 自拍美学"
  },
  "image_quality": {
    "resolution": "高分辨率",
    "realism": "写实",
    "skin_processing": "自然或极少平滑处理",
    "noise": "极少"
  },
  "style_keywords": [
    "特写自拍",
    "抓拍瞬间",
    "柔和美学",
    "自然光线",
    "写实",
    "社交媒体肖像"
  ]
}
```