feat: Add CSS layout exercises and corresponding HTML files

- Created multiple exercises under the CSS layout section, including:
  - Final page layout with CSS styles and HTML structure.
  - Display and flow concepts with examples of block, inline, and none display types.
  - Selectors and pseudo-classes with practical examples.
  - Overflow and sizing handling in CSS.
  - Grid layout basics for two-dimensional layouts.
  - Fixed and sticky positioning examples.
  - Centering techniques for common layout scenarios.

- Added README files for each exercise to outline objectives and file structures.
- Updated main README to include new sections and usage instructions.
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chali
2026-03-09 14:16:22 +08:00
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# 练习 5综合项目
## 目标
把前面学过的结构知识拼成一个完整页面。
## 项目名称
个人前端学习主页
## 任务
请独立完成一个单页网站,要求至少包含:
- `header`
- `nav`
- `main`
- `section`
- `article`
- `aside`
- `footer`
- 一个列表
- 一张表格
- 一个表单
- 至少 3 个层级的标题
## 推荐页面拆分
- 页头:站点标题 + 导航
- 主要介绍区:你是谁、你在学什么
- 学习路线区:用列表展示
- 作品展示区:用 `article` 展示 2 个项目
- 学习进度区:用表格展示
- 联系我区:用表单收集信息
- 页脚:版权信息
## 自检标准
- 页面结构是否一眼能看懂
- 是否不是全都用 `div`
- 标题层级是否合理
- 列表、表格、表单是否嵌套正确
- 每个区域是否有明确职责
## 文件
- [starter.html](/Volumes/Macintosh HD 1/home/front-end-example/01-html-structure/05-final-project/starter.html)
- [answer.html](/Volumes/Macintosh HD 1/home/front-end-example/01-html-structure/05-final-project/answer.html)