扁平化办公文具笔记本文件夹元素

Low-saturation flat minimalist paper product icons on white background, soft muted color palette with maximum two colors per icon, pixel-perfect vector style, spiral notebook with coil binding in dusty blue and cream pages, composition book with marbled cover in soft powder blue and off-white, sticky note pad with curled corner in muted sky and cream, index card with lines in dusty azure and light beige, graph paper with grid in soft steel blue and cream, loose-leaf paper with holes in muted slate and off-white, legal pad with tear-off sheets in dusty periwinkle and light gray, binder with rings in soft blue-gray and cream, folder with tabs in muted cadet blue and light beige, nine icons evenly distributed in three rows and three columns, clean geometric shapes with harmonious low-saturation palette, no facial expressions, pure minimalist paper representation.