代码修改

frontend-web/src/components/page-sdebar.css

@@ -580,6 +580,21 @@ html.iceblue .light-topnav-item--active::after {
     background: #3d6e96;
 }
 
+/* Pale yellow has the same light-banner contrast requirement as ice blue. */
+html.lightyellow .light-topnav-item {
+    color: rgba(48, 61, 35, 0.78);
+}
+
+html.lightyellow .light-topnav-item:hover,
+html.lightyellow .light-topnav-item--active,
+html.lightyellow .light-topnav-item--active:hover {
+    color: #303d23;
+}
+
+html.lightyellow .light-topnav-item--active::after {
+    background: #4c6330;
+}
+
 /* ── 侧边栏：二级图标卡片列（96px）+ 右侧三级列（展开时整体变宽，带过渡）──────── */
 .light-sidebar {
     position: fixed;