Using the uploaded product photo, generate a high-resolution mockup with these exact specifications: [COMPOSITION]: The product standing on a dark wooden ledge. In the distance, out-of-focus city lights create a beautiful 'bokeh' effect. [LIGHTING]: Soft, multi-colored ambient light (purples and blues) reflecting the distant city lights. [BACKGROUND]: A dark, nocturnal city skyline, heavily blurred (bokeh). [SHADOW]: Soft, ambient shadows that blend with the ledge texture. [PRODUCT INTEGRITY]: STRICTLY PRESERVE the product's original surface. DO NOT add any new text, logos, or branding. [MOOD]: Urban luxury, modern, sophisticated.