修容棒与渐变阴影

生成一张 4:5 竖版「修容棒与渐变阴影」案例图，所属分类为「产品摄影」。两支赤陶色修容棒平行斜放在暖沙面上，单侧硬光产生长暗影形成图形化平行四边形。画面需要完整呈现上述主体、构图、配色、材质、光线和整体风格；可见文字以自然简体中文为主，必要的技术缩写、代码、变量名、学术符号、单位、拉丁物种名或装饰性外文可保留。

A bold graphic product photograph of two slim contour stick twist-up pencils placed parallel at an angle on a warm sand-toned surface, one capped and one with the product extended showing the matte taupe contour formula. Shot at 45mm f/5.6 from above at about 60 degrees. A hard single light source from one side creates long dramatic gradient shadows that stretch diagonally across the warm sandy textured surface behind the sticks. The shadows become the graphic design element of the composition, forming two long dark parallelograms. The pencil casings are a warm terracotta matte plastic; the product tip is a noticeably cooler taupe brown by contrast. Color palette: warm terracotta, matte taupe, warm sand, long dark shadows. Mood: editorial precision, light-study, sun-baked warmth.