feat: 移动端底部导航可配置与工作区导航、置顶后台等前端调整

frontend/app/globals.css

@@ -5280,6 +5280,36 @@ a.j13-mention-token:hover {
     outline-offset: 2px;
   }
 
+  /* 置顶管理：行悬停、拖拽手柄、板块下拉触发器焦点 */
+  .pin-row {
+    transition: background 0.15s ease, opacity 0.15s ease;
+  }
+  .pin-row:hover {
+    background: var(--item-hover-bg);
+  }
+  .pin-row.is-dragging {
+    opacity: 0.45;
+  }
+  .pin-drag-handle {
+    cursor: grab;
+    color: var(--ink-3);
+    transition: color 0.15s ease;
+  }
+  .pin-row:hover .pin-drag-handle {
+    color: var(--ink-2);
+  }
+  .pin-drag-handle:active {
+    cursor: grabbing;
+  }
+  .pin-drag-handle:focus-visible {
+    outline: 2px solid var(--accent);
+    outline-offset: 2px;
+  }
+  .pin-board-trigger:focus-visible {
+    outline: 2px solid var(--accent);
+    outline-offset: 2px;
+  }
+
   /* 单页/公告管理：限宽左对齐，不套用设置页 1120px；画布保持镂空，与其他管理页一致 */
   .admin-doc-page {
     width: 100%;