网站字体大小、行间距标准优化数值

一路长虹

字体和行间距是基础优化细节，固定标准数值可适配搜索引擎算法，适配大众阅读习惯。电脑端正文字体设置16px，标题字体20px至24px，层级分明；移动端字体放大至17px，避免手机端字体过小。字体颜色选用#333深灰色，不要纯黑色刺眼配色，降低视觉疲劳。行间距统一设置1.6倍，段落间距保持15px，留白充足，排版通透。字间距设置1px，文字紧凑不拥挤，提升阅读流畅度。禁止使用艺术字体、加密字体，全部采用通用宋体、微软雅黑，保证蜘蛛正常识别。统一全站字体格式，不要一页一样式。严格遵循标准数值排版，无需复杂优化，即可提升用户体验，降低跳出率。
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