“B”是使用 FontVibe AI 创作的中世纪文字效果。灵感源自古代手抄本的排版：装饰性字母、羊皮纸质感、华丽花边和中世纪书法。

A single illuminated manuscript page dominated by one grand decorative capital letter "B", the only text on the page. The B is a 13th-century Lombardic versal: wide, generous proportions, gently rounded strokes, small flared serifs, two large rounded bowls. It fills about 65% of the page width and sits dead center, slightly above middle. The letter body is divided into flat opaque hand-painted pigment zones: the vertical stem in deep ruby red, the upper bowl in cobalt blue, the lower bowl in emerald green, with fine darker hairline outlines between zones. Every outer stroke edge is rimmed with a raised band of burnished gold leaf, catching warm candlelight with hot brilliant highlights and soft glints. Delicate gold vine tendrils and leaf terminals curl organically out from the serif ends into the margins. Inside each of the two counter spaces sits a tiny gold line-work rosette and vine scroll over a deep colored ground. Gold filigree dots and small scrolls run through the painted fills. The background is aged vellum parchment, warm cream to ochre, with faint foxing spots, subtle manuscript grain and slightly darkened edges. A narrow Celtic knotwork border in ruby, cobalt, emerald and gold interlace frames the page about 5% in from the edges. Lighting is warm amber candlelight from the upper right, casting a gentle directional glow across the vellum, with a soft vignette at the lower left. Composition: centered, symmetrical, ample parchment breathing room around the letter, no other text, no captions. Sacred, precious, hand-crafted scriptorium finish.