Generate a vertical 3:4 visual system proposal image for a food and beverage brand paper…

Generate a vertical 3:4 visual system proposal image for a food and beverage brand paper bag. Brand type: [品牌类型] Chinese brand name: [中文品牌名] English brand name: [英文品牌名] Product direction: [产品方向] Primary color: [主色调] Secondary color: [辅助色] Accent color: [点缀色] Display quantity: [展示数量] IP or brand symbol: [IP 或品牌符号] The image is a high-end design portfolio presentation board with a dark background, showcasing [展示数量] different paper bag layout designs for the same brand. The top section features a stylish title area, including large numbers, an English title, an English subtitle, and a Chinese brand description, with the overall look resembling a brand packaging proposal page. The main subject consists of paper bag designs arranged in a neat grid. Each bag shares a unified brand identity but features different layouts, including variations such as large logos, minimalist negative space, large English typography, vertical text, IP characters, product illustrations, stamps, pattern elements, sidebar labels, bottom horizontal bars, and mixed Chinese-English typography. Overall style: Boutique food and beverage brand packaging design, flat vector, modern editorial layout, strong brand identity, unified color palette, clear grid, commercially viable. Avoid: tacky templates, cluttered layouts, excessive colors, overly dense text, distorted bags, cheap aesthetics, excessive cartoonishness, excessive 3D, realistic photographic scenes.