feat(HEL-238): 按确认样图重做手机端系统管理，并加入部署基线门禁

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

frontend/m/js/router.js

@@ -187,9 +187,9 @@
     const dark = document.getElementById("m-app").dataset.theme === "dark";
     const toggle = document.querySelector("[data-theme-toggle]");
     if (toggle) toggle.setAttribute("aria-checked", dark ? "true" : "false");
-    const rowIcon = document.querySelector(".m-theme-row-icon");
+    const rowIcon = document.querySelector(".m-theme-row-icon, [data-theme-row-icon]");
     if (rowIcon) rowIcon.innerHTML = icon(dark ? "moon" : "sun");
-    const rowBodySmall = document.querySelector(".m-theme-row-body small");
+    const rowBodySmall = document.querySelector(".m-theme-row-body small, [data-theme-row-label]");
     if (rowBodySmall) rowBodySmall.textContent = dark ? "当前：夜间模式" : "当前：日间模式";
   }
 
@@ -206,6 +206,10 @@
       replace(DEFAULT_HASH);
       return;
     }
+    if (key === "system" && global.MobilePages && typeof global.MobilePages.renderSystemHome === "function") {
+      global.MobilePages.renderSystemHome();
+      return;
+    }
     const items = visibleHubItems(hub);
     updateHeader({ title: hub.title, back: false });
     const section = key === "system" ? themeToggleSection() : "";