简约风网格线空白横线笔记本排列组合插画

minimalist illustration, white and gray color scheme, six different types of notebook papers arranged in two rows and three columns, evenly spaced, first row: grid paper, blank paper, lined paper; second row: blank paper, lined paper, grid paper, decorative elements include perforated edges and varied line textures, pure gray background, clean and practical visual effect, suitable for study, work, or recording scenarios