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Adult man with light to medium tan skin and buzz cut stands in front of a mirror taking an iPhone selfie; He pulls open his white long-sleeve button-down shirt wide with both hands, exposing bare chest and abdomen while framing the shot at eye level; A blue striped necktie hangs loosely around his torso secured by a tie clip near the navel; he wears dark blue pinstripe dress trousers and a black leather belt; Defined pectorals and six-pack abs are sculpted under soft ambient indoor lighting typical of a lifestyle feed; The setting is an indoor room with light wood-paneled walls, angled slightly toward mirror reflection in vertical portrait orientation, shot on iPhone 15 Pro main camera, authentic smartphone computational photography, natural Smart HDR and true-to-life skin texture, vertical 9:16 Xiaohongshu lifestyle feed, bright clean everyday scene, unretouched phone photo with subtle sensor grain, trendy Chinese internet 网红 aesthetic, candid influencer energy, phone held naturally in one hand for selfie, phone visible in frame; securely fitted; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces