低调光影下的沉思者黑白肖像

{ "master_prompt": { "scene_type": "艺术电影风格黑白影棚肖像", "reference_requirement": { "identity_match": "精确匹配上传的参考图像", "facial_structure_accuracy": [ "骨骼结构", "眼睛形状", "鼻子比例", "下颌线清晰度", "面部对称性", "发际线", "胡须密度（如果存在）" ], "skin_texture": "真实的自然皮肤纹理，可见毛孔和细纹", "no_artificial_smoothing": true }, "subject": { "type": "成熟自信的男性", "expression": { "mood": "严肃、沉思、沉静而权威", "gaze": "深邃的眼睛直视镜头", "emotion": "专注而内省，不具侵略性" } }, "facial_hair": { "adaptive": true, "rules": [ "如果存在胡须，精确复制", "匹配密度、长度、形状和边缘", "保留自然的色调变化，包括可见的灰白胡须", "胡须线条干净且结构清晰" ], "clean_shaven_rule": "如果干净剃须，强调自然的下颌线清晰度和皮肤纹理" }, "hairstyle": { "adaptive": true, "requirement": "精确匹配参考图像中的发型", "details": [ "相同的发量", "相同的方向", "相同的发际线", "自然的头发纹理", "头顶光线产生的微妙镜面高光" ] }, "pose": { "style": "经典思考者姿势", "description": [ "一只手抬至下巴", "拇指沿下颌线", "食指略微弯曲", "指关节和肌腱微妙地显现", "手部清晰对焦，具有自然皮肤纹理" ] }, "lighting": { "style": "低调艺术影棚布光", "contrast": "高对比度但精致的色调控制", "key_light": { "position": "略高于视线水平", "direction": "朝向观看者左侧向下倾斜", "type": "大型柔光箱或柔光美颜碟", "effect": "强烈的顶部平面高光，边缘清晰锐利" }, "highlight_focus": [ "前额中心", "鼻梁", "上颧骨", "胡须纹理", "手部顶部平面" ], "shadow_control": [ "眉骨下方微妙的阴影塑造", "清晰的颧骨阴影", "深邃但细节丰富的阴影侧", "保留中间调细节" ], "fill_light": { "position": "前中心极少量补光", "purpose": "保持面部对称性同时保留深度" }, "rim_light": { "intensity": "非常微妙", "location": "发丝边缘和外侧肩膀", "purpose": "将主体与黑色背景分离" } } } }