材質小樣：同一物件比較陶、金屬與玻璃

A single cylindrical cup with a straight handle, made of {{material}}, resting on a warm gray stone slab. Three-quarter front view, 85mm lens look at f/8. A large soft light from upper left creates a broad highlight that reveals the material surface. The background is a quiet gray gradient. Keep the entire cup in sharp focus, with a small contact shadow beneath it and generous space around the silhouette. Minimal product-study photography.

把方括號 [ ] 內的變數換成你的內容，丟進 Flux.2 Pro / Max。

A single cylindrical cup with a straight handle, made of {{material}}, resting on a warm gray stone slab. Three-quarter front view, 85mm lens look at f/8. A large soft light from upper left creates a broad highlight that reveals the material surface. The background is a quiet gray gradient. Keep the entire cup in sharp focus, with a small contact shadow beneath it and generous space around the silhouette. Minimal product-study photography.