健身后更衣室里的成年男士镜自拍

创作一张写实的健身生活方式镜自拍：一位明确成年的健壮男子刚完成训练，赤裸上身，坐在更衣室木凳上，单手拿手机对镜自拍，做出轻松俏皮的吐舌表情。使用配置的通用成年人物外观参考保持人物外观一致，不指向特定真人。他肌肉线条清晰但自然，皮肤仅带轻微运动汗意，下身穿深色运动短裤，颈间佩戴简洁银色十字架项链。背景有健身房储物柜、挂起的运动球衣和一条毛巾；窗外明亮自然光与室内荧光灯交织，形成真实不过分戏剧化的混合照明。以中景构图呈现人物、手机和部分更衣室环境，镜中人物与设备位置准确一致，只出现一个人和一部手机。模拟50毫米镜头的自然视角，锐利对焦，自然肤质与高细节抓拍摄影质感。避免重复肢体、错误镜像、过度性化姿势、过度锐化、文字或水印。

【English Prompt】
Create a realistic fitness-lifestyle mirror selfie of an unmistakably adult athletic man just after a workout, shirtless and seated on a wooden locker-room bench, holding a phone for the mirror photo with a relaxed, playful tongue-out expression. Use the configured generic adult appearance reference for consistent appearance without implying a specific real-person identity. His muscular definition is clear but natural, with only a light post-workout sheen; he wears dark athletic shorts and a simple silver cross necklace. The background includes gym lockers, hanging sports jerseys and a towel. Bright window daylight mixes with indoor fluorescent lighting for a believable, non-dramatic locker-room atmosphere. Use a medium composition showing the man, phone and part of the room; keep the mirror reflection aligned and show only one person and one phone. Emulate a natural 50mm perspective with sharp focus, natural skin texture and detailed candid-photo realism. Avoid duplicated limbs, incorrect reflection, overly sexualized posing, oversharpening, text and watermark.

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