頂置聚光燈下的極簡剪影

{
  "prompt_id": "silhouette_dark_001_signature",
  "description": "黑暗中極簡戲劇性人物剪影與簽名",
  "scene": {
    "environment": "純黑虛空背景",
    "lighting": {
      "type": "單頂置聚光燈",
      "position": "主體正上方",
      "intensity": "柔和聚焦的光束",
      "effect": "帶有柔和徑向衰減的圓形光斑"
    }
  },
  "subject": {
    "type": "人物剪影",
    "pose": "居中站立，正對鏡頭",
    "details": "無面部特徵的純黑剪影",
    "shadow": {
      "style": "硬邊長投影",
      "direction": "延伸至左下方",
      "sharpness": "清晰高對比度"
    }
  },
  "composition": {
    "framing": "具有大面積留白的極廣角構圖",
    "mood": "神秘、孤獨、電影感",
    "aspect_ratio": "4:5"
  },
  "signature": {
    "text": "[Vivek HY]",
    "position": "右下角",
    "style": "極簡利落的無襯線字型，白色",
    "opacity": "70%"
  },
  "post_processing": {
    "contrast": "極高",
    "glow": "微妙的徑向光暈",
    "grain": "細膩的微膠片顆粒感"
  }
}