关于罗马帝国的16:9横版现代几何矢量风格信息图海报，干净的平面矢量插画，带有 bold 几何形状、锐利边缘，调色板严格限制为深红、帝…

modern geometric vector style infographic poster in 16:9 horizontal format about the Roman Empire, clean flat vector illustration with bold geometric shapes, sharp edges, and a strictly limited palette of deep red, imperial gold, black and ivory, central illustration rendered as an abstract geometric composition featuring the Colosseum, a laurel wreath, a legionary shield and a simplified map of Roman expansion across Europe and the Mediterranean, information organized into structured timeline bars, map fragments and compact fact panels, strong grid-based layout inspired by premium editorial infographics and modern data journalism, bold sans-serif typography, minimal decorative elements, flat color fills with no gradients, no textures, no photorealism, crisp and scalable vector aesthetic, highly legible and visually striking, high quality, aspect ratio 16:9

关于罗马帝国的16:9横版现代几何矢量风格信息图海报，干净的平面矢量插画，带有 bold 几何形状、锐利边缘，调色板严格限制为深红、帝国金、黑色和象牙白；中心插画为抽象几何构图，包含罗马斗兽场、月桂花环、军团盾牌和罗马扩张至欧洲及地中海的简化地图；信息组织为结构化时间线条、地图碎片和紧凑事实面板；受优质编辑信息图和现代数据新闻启发的强网格布局，粗体无衬线字体，极少装饰元素，平色填充，无渐变、无纹理、无写实，清晰可缩放的矢量美感，高可读性和视觉冲击力，高质量，宽高比16:9