电影级人像模式，支持身份保留和棱镜光效

```json
{
  "type": "image_generation_prompt",
  "style": "超现实、电影感、杂志肖像",
  "identity_preservation": {
    "use_reference_image": true,
    "strict_identity_lock": true,
    "alter_face": false,
    "notes": "女性面部必须与参考图像 100% 一致，保留精确的面部特征、比例、皮肤纹理和自然表情。"
  },
  "subject": {
    "gender": "女性",
    "age_group": "青年",
    "pose": {
      "orientation": "侧面轮廓",
      "head_position": "略微向上倾斜",
      "eyes": "轻轻闭合"
    },
    "expression": "深情、平静、内省",
    "appearance": {
      "hair": {
        "style": "深色波浪发",
        "notes": "保持与参考图像中相同的发型和发质"
      },
      "skin": {
        "texture": "超现实、自然",
        "detail": "可见毛孔和微妙高光"
      }
    }
  },
  "lighting": {
    "type": "戏剧性影棚灯光",
    "effects": [
      "柔和雕塑面部特征",
      "窗帘般精致的阴影",
      "自然阴影衰减"
    ],
    "special_effects": {
      "prism_lights": "生动的垂直彩虹棱镜光束划过脸部、颈部和头发",
      "refractions": "柔和的反射和微妙的折射，营造出神奇的艺术光泽"
    }
  },
  "background": {
    "color": "柔和的深森林绿",
    "style": "极简、氛围感"
  },
  "camera": {
    "framing": "特写肖像",
    "angle": "侧面轮廓",
    "resolution": "8K",
    "quality": "专业杂志级"
  },
  "color_grading": {
    "palette": [
      "彩虹棱镜高光",
      "深绿色",
      "柔和自然的肤色"
    ],
    "contrast": "均衡",
    "saturation": "高光鲜明，背景柔和"
  },
  "mood": {
    "atmosphere": "情感丰富、艺术感、电影感",
    "tone": "亲密而沉思"
  },
  "quality": {
    "realism": "极致照片写实",
    "detail_level": "超高细节",
    "artifacts": "无"
  },
  "output_goal": "创作一张超现实的电影感肖像，描绘一位面部身份完全保留的年轻女性，采用侧面构图，闭着眼睛，在戏剧性的影棚灯光下，生动的彩虹棱镜光束划过深森林绿色的背景。"
}
```