:wrench: 配置变更

• 文章阅读时长的配置项因功能优化发生变更

min2read:
- words: 100
+ awl: 2
+ wpm: 160

:sparkles: 新功能

• 增加 OpenGraph 配置项

+ open_graph:
+   twitter_card: summary_large_image
+   twitter_id:
+   twitter_site:
+   google_plus:
+   fb_admins:
+   fb_app_id:

• 增加字间距的配置项

font:
+ letter_spacing: 0.02em

• LeanCloud 增加配置项用于指定统计路径

web_analytics:
  leancloud:
+   path: window.location.pathname

:art: 优化

• 暗色模式按钮悬停动效
• 字体在苹果系统下抗锯齿
• 优化文章阅读时长的计算
• MathJax 支持懒加载（需要 3.2.0+ 版本）
• 评论图片支持缩放功能
• 备案信息不再强制对称居中
• 优化无障碍条件
• 默认静态 CDN 地址不再锁定版本
• Waline 评论插件升级新版本

:bug: 修复

• 修复博客二级目录下一些路径错误
• 修复畅言评论在移动端报错
• 修复 Safari 不支持的正则语法
• 修复多级分类无法折叠
• 修复圆角图片有白色描边
• 修复部分特殊字符的转义

:wrench: Configuration

• The config items of reading time have changed due to feature enhanced

min2read:
- words: 100
+ awl: 2
+ wpm: 160

:sparkles: Feature

• Add OpenGraph:

+ open_graph:
+   twitter_card: summary_large_image
+   twitter_id:
+   twitter_site:
+   google_plus:
+   fb_admins:
+   fb_app_id:

• Add the config items of word spacing

font:
+ letter_spacing: 0.02em

• Add the config items to specify the leancloud statistical path

web_analytics:
  leancloud:
+   path: window.location.pathname

:art: Enhancement

• Hover animation of dark mode button
• Font anti-aliasing in Apple system
• Optimize the calculation of reading time
• MathJax supports lazy loading (requires version 3.2.0+)
• Comment images support zoom
• Optimize accessibility
• The default static CDN no longer locks the version
• Waline comment plugin upgrade to the new version

:bug: Fix

• Fix some path errors in the secondary directory
• Fix regular syntax not supported in Safari
• Fix multi-level category cannot be folded
• Fix the rounded corners of the image with white shadow
• Fix the escape of some special characters