添加 csv 和 base64 gem，更新 Gemfile 和 Gemfile.lock；优化 post.html 布局样式和代码格式

Gemfile

@@ -3,3 +3,7 @@ source "https://rubygems.org"
 gem 'jekyll', '~> 4.3'
 gem 'jekyll-paginate' # 如果你需要分页功能
 gem 'wdm', '>= 0.1.0', :platforms => [:mswin, :mingw] # Windows上的文件监视
+
+gem 'csv'
+gem 'base64'
+

Gemfile.lock

@@ -1,11 +1,79 @@
 GEM
+  remote: https://rubygems.org/
   specs:
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    base64 (0.2.0)
+    bigdecimal (3.1.8)
+    colorator (1.1.0)
+    concurrent-ruby (1.3.4)
+    csv (3.2.8)
+    em-websocket (0.5.3)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0)
+    eventmachine (1.2.7)
+    ffi (1.17.0-x64-mingw-ucrt)
+    forwardable-extended (2.6.0)
+    google-protobuf (4.28.3-x64-mingw-ucrt)
+      bigdecimal
+      rake (>= 13)
+    http_parser.rb (0.8.0)
+    i18n (1.14.6)
+      concurrent-ruby (~> 1.0)
+    jekyll (4.3.4)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 1.0)
+      jekyll-sass-converter (>= 2.0, < 4.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 2.3, >= 2.3.1)
+      kramdown-parser-gfm (~> 1.0)
+      liquid (~> 4.0)
+      mercenary (>= 0.3.6, < 0.5)
+      pathutil (~> 0.9)
+      rouge (>= 3.0, < 5.0)
+      safe_yaml (~> 1.0)
+      terminal-table (>= 1.8, < 4.0)
+      webrick (~> 1.7)
     jekyll-paginate (1.1.0)
+    jekyll-sass-converter (3.0.0)
+      sass-embedded (~> 1.54)
+    jekyll-watch (2.2.1)
+      listen (~> 3.0)
+    kramdown (2.4.0)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
+    liquid (4.0.4)
+    listen (3.9.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    mercenary (0.4.0)
+    pathutil (0.16.2)
+      forwardable-extended (~> 2.6)
+    public_suffix (6.0.1)
+    rake (13.2.1)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.11.1)
+      ffi (~> 1.0)
+    rexml (3.3.9)
+    rouge (4.5.1)
+    safe_yaml (1.0.5)
+    sass-embedded (1.80.7-x64-mingw-ucrt)
+      google-protobuf (~> 4.28)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
+    unicode-display_width (2.6.0)
+    webrick (1.9.0)
 
 PLATFORMS
   x64-mingw-ucrt
 
 DEPENDENCIES
+  base64
+  csv
+  jekyll (~> 4.3)
   jekyll-paginate
   wdm (>= 0.1.0)