refactor: 修改英文nas相关

app/us/view/tops_nas/helper_detail.phtml

@@ -337,9 +337,9 @@
   <div class="narshelpdetailPc">
     <!-- top 搜索-->
     <div class="narsssmain">
-      <div class="ml">帮助中心 / 使用教程</div>
+      <div class="ml">Quick Start Guide</div>
       <div class="nars-hlp-search">
-        <input placeholder="请输入搜索关键字，如安装赛博云空间、影视库" />
+        <input placeholder="What are you looking for?" />
         <img src="__PUBLIC__/m_web/images/nas/help/nhlp-ssico.png" class="ssimg">
       </div>
       <!-- 下拉搜索框 -->
@@ -374,7 +374,7 @@
       <!--锚点定位 -->
       <div class="nars-hlpdt-mr">
         <div id="title-list">
-          <h2 class="tt">目录</h2>
+          <h2 class="tt">Content</h2>
           <ul></ul>
         </div>
       </div>