fix: drhider sticky header (v1.11)

site/templates/drhider.html

@@ -14,7 +14,7 @@
   }
   * { box-sizing: border-box; margin: 0; padding: 0; }
   body { font: 14px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--fg); }
-  .header { background: var(--card); border-bottom: 1px solid var(--border); padding: 12px 24px; display: flex; align-items: center; gap: 12px; }
+  .header { background: var(--card); border-bottom: 1px solid var(--border); padding: 12px 24px; display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 100; }
   .header img { height: 24px; }
   .header .sep { color: var(--muted); }
   .header a { color: var(--brand); text-decoration: none; font-size: 13px; }
@@ -84,7 +84,7 @@
   <a href="https://contractor.pythonk8s.services.ngcloud.ru/">Сверка договоров</a>
   <span class="sep">|</span>
   <strong>DrHider</strong>
-  <span style="font-size:11px;color:var(--muted);">v1.10</span>
+  <span style="font-size:11px;color:var(--muted);">v1.11</span>
   <button class="help-btn" onclick="openModal()" title="О сервисе">?</button>
 </header>