进行了一些小优化

.gitignore

@@ -39,6 +39,7 @@
 !/tests/widget-system/pay-orders-filter-contract.test.cjs
 !/tests/widget-system/front-submit-editor-contract.test.cjs
 !/tests/widget-system/comment-smilies-removal-contract.test.cjs
+!/tests/widget-system/comment-children-list-reset-contract.test.cjs
 !/tests/widget-system/pay-card-contract.test.cjs
 !/tests/widget-system/circular-button-icon-margin-contract.test.cjs
 !/tests/asset-ledger/

assets/css/build/comments.css

@@ -156,7 +156,11 @@
     color: #ff4b4b;
 }
 
+/* walker 输出的 <ol class="children"> 不带 .list-unstyled，而全局 reset 只覆盖 ul，
+   必须在此重置，否则二级评论回潮出 ol 默认的 "1." 序号和 40px 缩进。 */
 #postcomments .children {
+    list-style: none;
+    padding-left: 0;
     margin-left: 86px;
     background: var(--main-shadow);
     border-radius: var(--main-radius);

assets/css/frontend/comments/layout.css

@@ -155,7 +155,11 @@
     color: #ff4b4b;
 }
 
+/* walker 输出的 <ol class="children"> 不带 .list-unstyled，而全局 reset 只覆盖 ul，
+   必须在此重置，否则二级评论回潮出 ol 默认的 "1." 序号和 40px 缩进。 */
 #postcomments .children {
+    list-style: none;
+    padding-left: 0;
     margin-left: 86px;
     background: var(--main-shadow);
     border-radius: var(--main-radius);

tests/widget-system/comment-children-list-reset-contract.test.cjs

@@ -0,0 +1,27 @@
+'use strict';
+
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const test = require('node:test');
+
+const root = path.resolve(__dirname, '..', '..');
+const read = (file) => fs.readFileSync(path.join(root, file), 'utf8');
+
+test('nested comment children ol resets list markers and UA indent', () => {
+  // wp_list_comments(style=ol) 输出的 <ol class="children"> 不带 .list-unstyled，
+  // 全局 reset（main.css）又只覆盖 ul；缺重置时二级评论前会回潮出
+  // ol 默认的 "1." 序号与 40px 缩进。
+  const layout = read('assets/css/frontend/comments/layout.css');
+  const childrenBlock = layout.match(/#postcomments \.children \{[^}]*\}/);
+  assert.ok(childrenBlock, 'layout.css must have a #postcomments .children rule');
+  assert.ok(/list-style:\s*none/.test(childrenBlock[0]), 'children ol must reset list-style (no "1." markers)');
+  assert.ok(/padding-left:\s*0/.test(childrenBlock[0]), 'children ol must reset UA 40px indent');
+
+  // 页面实际加载 comments.min.css，产物必须同步携带该重置。
+  const built = read('assets/css/build/comments.min.css');
+  assert.ok(
+    /#postcomments \.children\{[^}]*list-style:none/,
+    'built comments.min.css must carry the children list reset'
+  );
+});