试衣间镜面自拍：健身型男试穿短款上衣

竖幅 9:16 的超写实服装店试衣间镜面自拍：一位成年运动型男子上身赤裸，展现自然健身线条与清晰腹肌，晒黑皮肤保留真实毛孔与轻微汗珠，短棕发，表情严肃而放松、视线向下；他穿黑色修身牛仔裤与皮带，戴橙色腕带和银色戒指，双手举起一件白色弧形下摆短款 T 恤仔细查看，手中的现代智能手机在镜面反射中可见。试衣间有灰色帘子、米色木墙、几张无可读文字的价格标签，地板上自然堆放少量牛仔裤和衣物；自然室内商店光线，随性、真实的健身生活方式氛围，锐利对焦、自然阴影与细致皮肤质感。无品牌标志、无可读文字、水印、签名；避免畸形、多余肢体、过度修饰、过曝或欠曝。

【English Prompt】
Ultra-photorealistic vertical 9:16 fitting-room mirror selfie in a clothing store: a generic adult athletic man is shirtless, showing natural trained definition and a clear six-pack while preserving realistic pores and a slight sheen of sweat. He has short brown hair and a serious but relaxed downward gaze. He wears black slim jeans with a belt, an orange wristband and a silver ring, and holds up a white cropped T-shirt with a curved hem in both hands to examine its fit; a modern smartphone is visible in the mirror reflection. The fitting room has a gray curtain, beige wood walls, a few price tags with no readable text, and a small natural pile of jeans and clothes on the floor. Natural indoor store lighting, casual candid fitness-lifestyle mood, sharp focus, realistic shadows and detailed skin texture. No brand logos, readable text, watermark or signature; avoid deformation, extra limbs, excessive retouching, overexposure or underexposure.

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