fix: gate Taro routes before rendering

apps/taro/src/pages/tenant-admin/admin.css

@@ -355,6 +355,13 @@
   background: #fff;
 }
 
+.admin-row.nested {
+  margin-top: 14px;
+  border-color: #bfdbfe;
+  background: linear-gradient(135deg, #eff6ff, #fff);
+  box-shadow: none;
+}
+
 .admin-error {
   display: block;
   margin-top: 12px;
@@ -421,3 +428,57 @@
   overflow-wrap: anywhere;
   white-space: pre-wrap;
 }
+
+@media (min-width: 980px) {
+  .admin-page {
+    max-width: 1180px;
+    margin: 0 auto;
+    padding: 38px;
+  }
+
+  .admin-shell {
+    gap: 30px;
+  }
+
+  .admin-header {
+    padding: 38px;
+  }
+
+  .admin-title {
+    font-size: 44px;
+  }
+
+  .admin-grid {
+    grid-template-columns: repeat(4, minmax(0, 1fr));
+  }
+
+  .admin-grid.three,
+  .admin-metric-grid {
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+  }
+
+  .admin-module-grid {
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+  }
+
+  .admin-form-grid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
+@media (max-width: 520px) {
+  .admin-page {
+    padding: 20px;
+  }
+
+  .admin-grid,
+  .admin-grid.three,
+  .admin-metric-grid,
+  .admin-module-grid {
+    grid-template-columns: minmax(0, 1fr);
+  }
+
+  .admin-title {
+    font-size: 34px;
+  }
+}