iPhone 15 Pro 海滩抓拍自拍提示词

```json
{
    "format": {
      "type": "编辑类",
      "intent": "随性/自拍/抓拍",
      "aspect_ratio": "9:16",
      "resolution": "4K"
    },
    "camera_system": {
      "body": "iPhone 15 Pro",
      "lens": "主摄像头",
      "focal_length": "24mm",
      "associative_traits": "计算摄影、深景深、清晰的数字读数、自动曝光"
    },
    "subject": {
      "identity": "一位拥有精致瓷娃娃般面容的年轻女性",
      "physical_details": "无瑕的苍白肌肤，大而圆的冰蓝色眼睛，睫毛分明，小巧精致的鼻子，嘟起的自然唇形，铂金色头发梳成两条紧致的辫子，亮蓝色美甲",
      "clothing": "浅蓝色修身款上衣，V 领极深极宽，露出大量乳沟",
      "action": "高角度自拍视角，一只手遮挡眼睛以避开明亮的海岸光线，抬头看向镜头",
      "expression": "中性、睁大眼睛、面无表情、空洞的娃娃般凝视"
    },
    "lighting": {
      "source": "明亮的自然海岸日光 + 沙滩反光",
      "direction": "顶光和全方位补光",
      "quality": "柔和、漫射但非常明亮",
      "color_temp": "中性日光 (5500K)",
      "fill": "来自明亮白沙反射的最大补光",
      "distribution": "均匀照明，几乎没有阴影，对肤质有美化作用",
      "intent": "明亮的沙滩日"
    },
    "environment": {
      "setting": "白天的沙滩",
      "hero_materials": [
        {
          "material": "沙子",
          "micro_detail": "细小的白色颗粒，高反射性"
        },
        {
          "material": "面料",
          "micro_detail": "浅蓝色泳衣/弹力棉混纺"
        },
        {
          "material": "皮肤",
          "micro_detail": "光滑、无毛孔、瓷器般质感，因热量略带湿润"
        }
      ],
      "objects": "远处模糊的海洋地平线，广阔的沙滩",
      "state": "明亮、阳光充足、海岸风光"
    },
    "technical_finish": {
      "film_stock": "数字源",
      "exposure": "高亮度曝光 (高调)",
      "grain": "无/数字噪点",
      "tone_curve": "线性中性",
      "color_science": "柔和色调 (浅蓝色、白色沙滩、苍白肌肤)，自然日光色彩"
    },
    "constraints": {
      "avoid": [
        "雪",
        "冬装",
        "红色指甲",
        "黑色上衣",
        "保守领口",
        "浓重阴影"
      ],
      "must_include": [
        "蓝色指甲",
        "浅蓝色上衣",
        "深乳沟",
        "沙滩背景",
        "瓷娃娃般面容"
      ]
    }
  }
```