凯恩斯在扶手椅上书写的电影感肖像

创作一幅电影感历史人物肖像：经济学家约翰·梅纳德·凯恩斯坐在舒适的扶手椅上，专注地低头书写笔记。使用配置的人物参考保持成年人物形象连贯；人物为明确成年的历史人物，不追求复刻某一张具体照片。以中景构图同时清楚呈现他的坐姿、扶手椅和手中的书写动作，纸页与笔尖可辨。场景设在安静、克制的书房一角，背景简洁，仅以少量书籍和木质细节暗示学者环境，不出现可读文字。柔和侧窗光落在人物面部、手和纸张上，另一侧保留深而细腻的阴影；采用低饱和暖褐与蓝灰色电影调色、自然肤质、细腻胶片颗粒和浅景深，营造沉静、思索的氛围。保持手部自然、人物面部不被遮挡，避免现代电子设备、额外人物、夸张表情、乱码文字、品牌和水印。

【English Prompt】
Create a cinematic historical portrait of economist John Maynard Keynes, seated in a comfortable armchair and concentrating as he writes notes by hand. Use the configured person reference for adult-appearance consistency; portray him as an unmistakably adult historical figure without copying a specific photograph. Frame him in a medium shot that clearly shows his seated posture, the armchair and the writing action, with the paper and pen tip readable. Set the scene in a quiet, restrained study corner, using only a few books and wood details to suggest a scholar's surroundings; include no readable text. Soft side-window light falls across his face, hand and page, while the opposite side retains rich gentle shadow. Use muted warm-brown and blue-gray cinematic grading, natural skin texture, fine film grain and shallow depth of field for a thoughtful, contemplative mood. Keep the hands natural and the face unobstructed. Avoid modern electronics, extra people, exaggerated expressions, garbled lettering, brands and watermarks.

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