“太原”是使用 FontVibe AI 创作的彩虹文字效果。绚丽的多彩虹色渐变文字特效，色彩过渡顺滑，棱镜般的光泽与欢快的多彩排版。

rendered as rainbow text effect — COLOR (mandatory): each individual letter must contain a complete ROYGBIV rainbow gradient top-to-bottom within itself — top=red, upper=orange, mid=yellow-green, lower=blue-indigo, bottom=violet. NOT one color per letter. NOT a gradient across the whole word. Every letter is its own complete rainbow. Full chroma Pride flag saturation — not pastel, not muted, not shifted to any single hue. LETTERFORM PRIORITY: when the chosen font carries its own treatment, that font's letterform shapes take priority and own the letters; this style always governs the color — every letter still carries its own complete top-to-bottom ROYGBIV rainbow gradient. FALLBACK MATERIAL: if the font carries no material of its own, render clean bold letters each filled with a full vertical ROYGBIV rainbow. COLOR PRIORITY: the rainbow gradient is mandatory and overrides any single font color — each individual letter is its own complete rainbow at full Pride-flag saturation. '太原' rendered as large glossy candy-inflated balloon text, each individual Chinese character containing its own complete vertical ROYGBIV rainbow gradient: saturated red across the top strokes, orange transition, luminous yellow and green through the central structure, vivid blue and indigo below, deep violet at the lowest edges. The rainbow sequence repeats independently inside each character, never distributed across the two-character phrase. Thick transparent candy-clear polyurethane surface over dense chromatic color, rounded inflated contours, tiny seam details, bright white specular streaks, ray-traced reflections, soft contact shadows. Surround the lettering with a bright October outdoor celebration scene: clear cyan sky, warm late-afternoon sun, faint lens flare, strings of small colored bulbs, drifting red, gold, turquoise, and violet balloons, scattered paper confetti catching the light. In the distance, softly defocused festival stalls and warm golden bokeh create depth without competing with the text. High-chroma Pride-festival palette, clean airy atmosphere, crisp 3D product-render detail, glossy surfaces, saturated color separation, 8k octane render.