breaking changes: 移除最新評論的評論服務商選擇，默認為第一個評論服務商

feat: 增加 waline avatarCDN 配置（最新評論也會更新）
feat: archives 的 標題 在 menu 配置中獲取
fix: 修復文章頁 mathjax 因字體小導致顯示重疊的 bug close #587
fix: 修復 mathjax 在列表下，導致 列表沒有樣式的 bug  close #586
improvement: 減少卡頓，apple 裝置首頁背景 background-attachment 設為 scroll

scripts/helpers/inject_head_js.js

@@ -6,7 +6,7 @@
 'use strict'
 
 hexo.extend.helper.register('inject_head_js', function () {
-  const { darkmode, aside, change_font_size } = this.theme
+  const { darkmode, aside, change_font_size, index_img, disable_top_img, pjax} = this.theme
 
   const localStore = `
     win.saveToLocal = {
@@ -141,5 +141,21 @@ hexo.extend.helper.register('inject_head_js', function () {
     `
   }
 
-  return `<script>(win=>{${localStore + getScript + darkmodeJs + asideStatus + changFontAside}})(window)</script>`
+  let detectApple = ''
+  if (!disable_top_img || index_img !== false) {
+    detectApple = `
+    const detectApple = () => {
+      if (GLOBAL_CONFIG_SITE.isHome && /iPad|iPhone|iPod|Macintosh/.test(navigator.userAgent)){
+        document.documentElement.classList.add('apple')
+      }
+    }
+    detectApple()
+    `
+
+    if (pjax.enable) {
+      detectApple += 'document.addEventListener(\'pjax:complete\', detectApple)'
+    }
+  }
+
+  return `<script>(win=>{${localStore + getScript + darkmodeJs + asideStatus + changFontAside + detectApple}})(window)</script>`
 })