主要内容（注：最终解释权归本公司所有）

请立即阅读这部分内容（使用em标签）

孔子说：学而时习之，不亦说乎？

原价：199元，现价：99元

这是粗体文本（使用b标签）]]>https://blog.youkuaiyun.com/learning_tom/article/details/151191605https://blog.youkuaiyun.com/learning_tom/article/details/151191605learning_tomThu, 04 Sep 2025 21:39:50 +0800标签的核心属性是src（图片路径）和alt（替代文本）图片路径分为相对路径和绝对路径，各有适用场景相对路径以当前HTML文件位置为基准，适合网站内部图片引用绝对路径是完整的图片地址，适合引用外部图片或内部固定位置图片使用图片时应注意路径的正确性、图片格式的选择和图片的优化正确使用图片标签和路径，能够确保图片在网页中正常显示，提升用户体验和网页质量。]]>https://blog.youkuaiyun.com/learning_tom/article/details/151158328https://blog.youkuaiyun.com/learning_tom/article/details/151158328learning_tomWed, 03 Sep 2025 23:14:34 +0800到

，用于定义不同层级的标题。

级别最高，通常用于页面的主标题

级别最低，用于最次要的标题标题标签的主要作用：定义内容的层级结构，使页面内容有条理默认带有不同的字体大小和粗细，增强视觉层次感帮助搜索引擎理解页面内容的重要性和结构段落标签

用于定义网页中的段落文本。浏览器会自动在段落前后添加空白（外边距），使段落之间有明显的分隔。作用：将文本内容组织成逻辑段落，提升可读性默认提供段落间距，使页面布局更清晰。]]>https://blog.youkuaiyun.com/learning_tom/article/details/151123323https://blog.youkuaiyun.com/learning_tom/article/details/151123323learning_tomTue, 02 Sep 2025 23:24:37 +0800https://blog.youkuaiyun.com/learning_tom/article/details/151084686https://blog.youkuaiyun.com/learning_tom/article/details/151084686learning_tomMon, 01 Sep 2025 22:07:01 +0800https://blog.youkuaiyun.com/learning_tom/article/details/151052060https://blog.youkuaiyun.com/learning_tom/article/details/151052060learning_tomSun, 31 Aug 2025 22:05:25 +0800https://blog.youkuaiyun.com/learning_tom/article/details/151026914https://blog.youkuaiyun.com/learning_tom/article/details/151026914learning_tomSat, 30 Aug 2025 22:13:23 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150996906https://blog.youkuaiyun.com/learning_tom/article/details/150996906learning_tomFri, 29 Aug 2025 21:34:29 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150951766https://blog.youkuaiyun.com/learning_tom/article/details/150951766learning_tomThu, 28 Aug 2025 14:43:01 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150934202https://blog.youkuaiyun.com/learning_tom/article/details/150934202learning_tomWed, 27 Aug 2025 19:59:24 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150867503https://blog.youkuaiyun.com/learning_tom/article/details/150867503learning_tomTue, 26 Aug 2025 19:03:50 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150781340https://blog.youkuaiyun.com/learning_tom/article/details/150781340learning_tomMon, 25 Aug 2025 21:11:53 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150706804https://blog.youkuaiyun.com/learning_tom/article/details/150706804learning_tomSun, 24 Aug 2025 18:35:53 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150647295https://blog.youkuaiyun.com/learning_tom/article/details/150647295learning_tomSat, 23 Aug 2025 18:49:56 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150614001https://blog.youkuaiyun.com/learning_tom/article/details/150614001learning_tomFri, 22 Aug 2025 16:52:49 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150590012https://blog.youkuaiyun.com/learning_tom/article/details/150590012learning_tomThu, 21 Aug 2025 19:45:13 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150564321https://blog.youkuaiyun.com/learning_tom/article/details/150564321learning_tomWed, 20 Aug 2025 23:33:24 +0800https://blog.youkuaiyun.com/learning_tom/article/details/150532989https://blog.youkuaiyun.com/learning_tom/article/details/150532989learning_tomTue, 19 Aug 2025 19:29:52 +0800