戲劇感黑白棚拍男士肖像

{
  "master_prompt": {
    "scene_type": "電影級黑白男性肖像攝影",
    "reference_requirement": {
      "identity_match": "精確還原參考照片中的人物特徵",
      "facial_accuracy": [
        "骨骼結構",
        "眼型與眼距",
        "鼻部比例",
        "下頜線與顴骨結構",
        "面部對稱性",
        "髮際線與髮型",
        "鬍鬚密度（若有）"
      ],
      "skin_texture": "保留自然毛孔、細紋與真實肌膚質感",
      "no_artificial_smoothing": true
    },
    "subject": {
      "type": "[成熟自信的男性]",
      "expression": {
        "mood": "嚴肅、從容、內斂而有力",
        "gaze": "直視鏡頭",
        "emotion": "專注且深邃內省"
      }
    },
    "facial_hair": {
      "adaptive": true,
      "rules": [
        "若參考圖中有鬍鬚則精準還原",
        "匹配密度、邊緣與輪廓",
        "呈現包括花白在內的自然色調層次"
      ],
      "clean_shaven_rule": "若無鬍鬚，突出清晰下頜線與自然皮膚紋理"
    },
    "hairstyle": {
      "adaptive": true,
      "requirement": "完全還原參考圖髮型",
      "details": [
        "自然發流走向",
        "髮絲細節分明",
        "微妙的高光反射"
      ]
    },
    "pose": {
      "style": "自信的肖像姿態",
      "description": [
        "頭部微側朝向鏡頭",
        "[一隻手輕託下巴或下頜]",
        "放鬆而深思的體態",
        "手指自然擺放並帶有清晰皮膚紋理"
      ]
    },
    "lighting": {
      "style": "戲劇性倫勃朗棚拍光影",
      "contrast": "深沉的電影級高反差",
      "key_light": {
        "position": "上方略偏向畫面右側",
        "type": "大型柔光箱或漫射攝影棚燈",
        "effect": "在前額、鼻樑、顴骨及鬍鬚紋理上雕刻出高光"
      },
      "shadow_style": [
        "面頰呈現柔和的三角形倫勃朗光斑",
        "暗部深沉但保留豐富細節",
        "強化面部骨骼輪廓感"
      ],
      "fill_light": {
        "intensity": "極微弱",
        "purpose": "保留微妙中間調細節而不削弱反差"
      },
      "rim_light": {
        "intensity": "剋制微弱",
        "placement": "髮際邊緣與肩部輪廓",
        "purpose": "使主體與深色背景分離"
      },
      "catchlights": {
        "type": "微小自然的攝影棚反光點",
        "placement": "雙眼瞳孔中央"
      }
    },
    "background": {
      "type": "純淨深黑色背景",
      "texture": "無紋理",
      "light_spill": "完全吸收無溢光"
    },
    "composition": {
      "orientation": "豎版肖像"
    }
  }
}