Remove home hero helper text

static/v020.css

@@ -122,6 +122,8 @@ body.planner-interacting .page-planner {
 .page-home .hero-card {
   min-height: 0;
   padding: 22px 24px;
+  display: grid;
+  place-items: center;
 }
 
 .clock-wrap {

templates/index.html

@@ -31,13 +31,6 @@
         <div class="page-track" id="pageTrack">
           <section class="page-slide page-home">
             <section class="hero-card">
-              <div class="hero-topbar">
-                <div>
-                  <p class="eyebrow">北京时间</p>
-                  <p class="hero-copy">第一页保持轻量提醒视图，第二页进入整周课程与任务排布。</p>
-                </div>
-                <button class="ghost-link inline-link" type="button" data-go-page="1">切换到周课表</button>
-              </div>
               <div class="clock-wrap">
                 <h1 class="clock-display" id="clockDisplay">00:00:00</h1>
                 <div class="clock-meta">