如何构建一个每天自动进化的 Obsidian 知识库，无需手动维护

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请基于参考封面的构图、视觉隐喻和公众号缩略图可读性，生成一张新的微信公众号横版封面。 输出尺寸：1456x582，比例约 2.5:1；核心主体和必要标题信息要兼顾公众号安全方形裁切。 公众号文章标题：{填写公众号文章标题} 简介：{填写简介} 原封面方法：如何构建一个每天自动进化的Obsidian知识库，无需手动维护风格双技能 Create a horizontal WeChat public-account article cover, 2.35:1 aspect ratio, for an article titled "如何构建一个每天自动进化的 Obsidian 知识库，无需手动维护". Central concept: 把抽象工具能力可视化为界面窗口、代码片段、节点网络、操作台、AI 工作流或发光的系统核心。 Style: preserve the reference cover's visual direction: 浅底极简信息图/产品幻灯片. Use a palette inspired by #f3efe4 (white), #faf8f3 (white), #f3efe3 (white), #d0c4c1 (cream). Keep the image editorial, conceptual, and readable as a small WeChat thumbnail. Composition: 留白多，适合大标题、少量图标和清晰的左文右图/中心标题布局。 Keep the main subject and any essential title text inside the safe square crop, while using the full wide frame for atmosphere, secondary symbols, or directional motion. Text strategy: use either no text or a very short headline fragment from the title. If text is used, make it large, clean, and integrated into the layout rather than pasted on top. Mood: match the article skill "如何构建一个每天自动进化的Obsidian知…风格双技能" -- useful, sharp, high-signal, and slightly more memorable than a normal tutorial thumbnail. Avoid: photorealistic clutter unless the source cover is photo-led, fake logos, unreadable tiny text, generic gradient blobs, stock-office imagery, watermark-like marks, and literal screenshots unless the article is explicitly about software interfaces.