fix: 修復本地搜索文章鏈接無法跳轉bugs

feat: 當點擊評論框時，valine背景圖片隱藏
feat: 網頁進入動畫效果可關閉
style: 部分css和js 調整

layout/includes/third-party/baidu_push.pug

@@ -0,0 +1,15 @@
+if theme.baidu_push
+  script.
+    (function(){
+      const bp = document.createElement('script');
+      const curProtocol = window.location.protocol.split(':')[0];
+      if (curProtocol === 'https'){
+      bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
+      }
+      else{
+      bp.src = 'http://push.zhanzhang.baidu.com/push.js';
+      }
+      bp.dataset.pjax = ''
+      const s = document.getElementsByTagName("script")[0];
+      s.parentNode.insertBefore(bp, s);
+    })()