纯黑虚空中的悬浮科技产品

创作一张超写实的科技极简产品广告图：一款外壳经过精密雕塑、没有可见品牌标记的紧凑型高端无线扬声器，在纯黑、哑光、无反光的虚空中居中对称悬浮，产品完整入镜，四周保留充足负空间，不接触任何表面。产品采用阳极氧化微纹理拉丝铝、磨砂半透明聚碳酸酯与光学透明玻璃组合，磨砂半透明面板内透出克制的橙白渐变光晕；精密机加工边缘、细致滚花和圆润过渡清晰可见。使用自上而下的柔和主光与精确轮廓光，在玻璃边缘呈现克制的棱镜折射、微弱色散和柔和焦散高光，准确表现材质而不过度添加炫光。保持绝对纯黑背景，无渐变、无地平线。产品是画面唯一物体；不要底座、平台、道具、手、灯具、灯箱、柔光箱、三脚架、文字、标志或水印。

【English Prompt】
Create a photoreal tech-minimal product advertisement: a compact premium wireless speaker with a precise sculpted shell and no visible brand markings floats perfectly centered and symmetrical in a pure matte, non-reflective black void, fully visible with generous negative space and no contact with any surface. Build it from anodized micro-grain brushed aluminum, frosted translucent polycarbonate, and optically clear glass, with a restrained orange-to-white gradient glow visible through a frosted translucent panel. Show precise machined edges, fine knurling, and smooth organic transitions. Use soft top-down key light and controlled rim lighting; add restrained prismatic refraction, slight spectral dispersion, and soft caustic highlights along the glass edges to describe the materials without excessive effects. Keep the background absolutely black with no gradient or horizon line. The product is the only object in frame. No pedestal, platform, props, hands, visible lighting equipment, softboxes, tripod, text, logo, or watermark.

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