白色极简风充电宝

Chinese USB-C portable power bank, rectangular body with softly rounded edges, flush USB-C port, subtle charging indicator, ultra-realistic micro details, matte plastic texture, high fidelity, crisp edges, front slightly top-down view, centered on soft gradient background (white to light gray), soft studio lighting from top-left, gentle rim light highlighting edges, subtle volumetric shadows, highlights emphasizing form and material, subtle shadow under product, optimized for AI upscaling --ar 3:4 --v 6.0 --s 750