主题海报：视觉叙事的框架

Create a solemn, restrained, axial memorial poster around any chosen theme object, with the first impression built from a central oversized solid-color disc and a dense vertical-line silhouette passing through its lower edge, together forming a monument-like focal point, while all text, numbers, and graphics descend step by step along the same central axis; keep generous breathing space in the upper area, set the main theme title as a wide, horizontally extended geometric sans-serif in bold heavy strokes with slightly loose letter spacing and light high-contrast coloring, overlap an ultra-fine flowing handwritten line along the title's lower edge so its light diagonal strokes cross the heavy straight strokes, and below it place a single line of small, widely tracked theme subtitle text, forming the tightly locked sequence of large title, fine handwritten line, and airy subtitle; let the middle disc occupy the primary visual width with a clean, rounded edge, add one or two dark semitran