perf: 模型管理界面重做

easyflow-ui-admin/app/src/components/page/ListPageShell.vue

@@ -6,7 +6,7 @@ interface Props {
   contentPadding?: number | string;
   dense?: boolean;
   stickyToolbar?: boolean;
-  surface?: 'panel' | 'subtle';
+  surface?: 'panel' | 'plain' | 'subtle';
 }
 
 const props = withDefaults(defineProps<Props>(), {
@@ -141,6 +141,18 @@ const contentStyle = computed((): CSSProperties => {
   box-shadow: none;
 }
 
+.list-page-shell.is-plain .list-page-shell__content {
+  background: hsl(var(--surface-panel) / 0.96);
+  border: 1px solid hsl(var(--divider-faint) / 0.58);
+  border-radius: 20px;
+  box-shadow: none;
+  backdrop-filter: none;
+}
+
+.list-page-shell.is-plain .list-page-shell__content::before {
+  display: none;
+}
+
 .list-page-shell__content::before {
   position: absolute;
   inset: 0 0 auto;