Tools

HTML 在线编辑器增强版。可视化微调文字、颜色、图片替换、margin 调整。An enhanced online HTML editor — visually fine-tune text, colors, image swaps, and margins.

工具箱聚合页。所有在线工具和内容的统一入口。A toolbox aggregator page — the unified entry point for all online tools and content.

5 种交互图表模式（可展开条形图、张力对比、气泡地图、哑铃图、可排序卡片）。页面底部附 Agent Skill 包下载。5 interactive chart patterns (expandable bars, tension pairing, bubble map, dumbbell, sortable cards). Agent Skill package available for download on the demo page.

水墨枯笔 SVG 元件库：8 枚小图标 + 3 张封面插画。墨黑朱砂双色，纯矢量零依赖，可直接引用或下载 Agent Skill 包。Ink-brush SVG kit: 8 icons + 3 cover illustrations. Ink-black & vermillion, pure vector, zero dependencies. Agent Skill package included.

12 类专项题库 · 28 MB · 按学科分类下载原始 PDF。12 topic-specific question banks · 28 MB · download original PDFs by subject.

真实考试界面 · 随机抽题 · 自动判分 · 错题回顾 · 419 题完整题库。Real exam UI · randomized questions · auto-grading · wrong-answer review · 419-question bank.