更新样式：微调667宽度下通知提示栏左对齐，自动扩张

Bootstrap.Admin/wwwroot/css/site-responsive.css

@@ -18,22 +18,19 @@
 @media (min-width: 667px) {
     .header .nav {
         display: flex;
+        flex: 1 1 auto;
+    }
+
+    .sidebar-toggle-box {
+        flex: 0 1 auto;
     }
 }
 
 @media (min-width: 768px) {
-    .sidebar-toggle-box {
-        flex: 0 1 auto;
-    }
-
     .sidebar-open aside {
         transform: translate(0);
     }
 
-    .header .nav {
-        flex: 1 1 auto;
-    }
-
     .header, .site-footer {
         position: fixed;
     }