修复导航图标被章节目录遮盖的bug

theme/style.css

@@ -19,7 +19,7 @@
     .pagetoc {
         position: fixed;
         width: 200px;
-        height: calc(100vh - var(--menu-bar-height) - 0.67em * 4);
+        height: calc(100vh - var(--menu-bar-height) - 20rem);
         overflow: auto;
         z-index: 1000;
     }
@@ -70,3 +70,12 @@ table {
     margin-left: 0 !important;
 }
 
+/* 只使用底部的页面跳转，因为左右两边的宽跳转会被 page-toc 遮盖 */
+@media only screen and (max-width: 2560px) {
+    .nav-wide-wrapper { display: none; }
+    .nav-wrapper { display: block; }
+}
+@media only screen and (max-width: 2560px) {
+    .sidebar-visible .nav-wide-wrapper { display: none; }
+    .sidebar-visible .nav-wrapper { display: block; }
+}