Using the uploaded product photo, generate a high-resolution mockup with these exact specifications: [COMPOSITION]: The product centered on a polished white Carrara marble slab. [LIGHTING]: Bright, airy window light, creating soft reflections on the marble surface. [BACKGROUND]: A solid, light-cream matte background (#FFFDD0). [SHADOW]: A soft, faint shadow stretching away from the product. [PRODUCT INTEGRITY]: STRICTLY PRESERVE the product's original surface. DO NOT add any new text, logos, or branding. [MOOD]: Timeless, elegant, premium beverage.