Create original relaxed black-pen graphics from concepts or visual references, including sparse illustrations, narrative scenes, animals, objects, abstract relationships, icons, and logo marks. Use when the user wants quick hand-drawn line energy, causal story staging, non-equilibrium proportion, shorthand forms, open contours, structural line drift, misregistered junctions, selective retracing, physical pen texture, or a transferable illustration system that must not collapse into clean vector minimalism or polished period-sketch drawing.

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把一张图重画成黑底像素画，两种正典画法按题材二选一：**纯粒子**（会动的短笔触沿图像自身 的结构方向流动，适合浪／烟／光柱这类本来就在流动的东西），或**网点实体**（把明暗翻译成 逐帧静止的有序点阵，适合人像／雕塑／动物这类要读出轮廓和体积的东西，并且只有它能把形体 梳成硬边碎裂条）。动效按画面的物理规律分区规划；可选地让一部分形体溃散成飞灰，同时锚定 另一部分保持实体与原色。输出静态 PNG 与无缝循环 GIF/MP4。 触发：/tephra、「粒子流动效果」「把这张图重绘成笔触」「黑底像素画」「网点碎裂」。 算法与代码全部原创，输出不基于任何模型，也不复制任何具体作品。

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