update styling

privacy/left-unsaid/index.html

@@ -51,8 +51,8 @@
       </nav>
     </header>
 
-    <main class="content-main">
-      <article class="content-shell">
+    <main class="content-main document-main">
+      <article class="content-shell document-shell">
         <nav class="breadcrumb" aria-label="Breadcrumb">
           <a href="/">Home</a>
           <span aria-hidden="true">/</span>
@@ -61,7 +61,7 @@
 
         <p class="eyebrow">Product Policy</p>
         <h1>Left Unsaid Privacy Policy</h1>
-        <dl class="policy-meta">
+        <dl class="policy-meta document-meta">
           <div>
             <dt>Effective Date</dt>
             <dd>June 2026</dd>