墨韵羊城微观立体海报

创作一张高细节、高饱和的 3D 立体海报：一支中国书法毛笔正在从右下方向左上方描摹一条 S 型墨韵笔触。笔触内部包含微观但结构清晰的广州地标，将岭南传统建筑与具有代表性的现代城市建筑融合为新旧交融、层次丰富的城市全景。把珠江水系融入笔触内部，以烟波浩渺的水雾氛围增强空间纵深。笔触呈现自然墨迹扩散与边缘破碎效果，色彩鲜艳但干净，具备真实物理光影、HDR 和 8K 商业级细节。毛笔笔尖位于左上方笔触末端，捕捉“正在绘制”的动态瞬间。笔触之外保留大面积纯净留白，突出东方极简构图。在笔触起始处沿笔触方向自然排布准确文字“Guangzhou”和短口号“Flower City, Endless Vitality”。排除水印、标志、额外文字、签名、印章、版权、用户名、日期、模糊、低质量、浑浊建筑结构和 AI 瑕疵。

【English Prompt】
Create a high-detail, high-saturation 3D poster in which a Chinese calligraphy brush is actively drawing an S-shaped ink stroke from the lower right toward the upper left. The stroke contains microscopic yet clearly structured landmarks of Guangzhou, blending traditional Lingnan architecture with representative modern city buildings into a layered old-and-new urban panorama. Incorporate the Pearl River water system inside the stroke, with expansive mist and vapor to enhance spatial depth. Give the ink stroke natural diffusion, fragmented edges, vibrant clean colors, physically believable light and shadow, HDR, and 8K commercial-grade detail. Place the brush tip at the upper-left end of the stroke to capture the dynamic moment of being drawn. Keep a large area of pure blank background outside the stroke for an oriental minimalist composition. At the beginning of the stroke, arrange the exact text "Guangzhou" and the short slogan "Flower City, Endless Vitality" naturally along the stroke direction. Exclude watermark, logo, extra text, signature, stamp, copyright, username, date, blur, low quality, muddy architecture, and AI artifacts.

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