diff --git a/assets/js/user-ban.js b/assets/js/user-ban.js
index d28355d5..123c88bc 100644
--- a/assets/js/user-ban.js
+++ b/assets/js/user-ban.js
@@ -113,7 +113,13 @@
     var form = shell.querySelector('[data-aksrt-appeal-form]');
     if (!form || form.dataset.aksrtAppealBound === '1') return;
     form.dataset.aksrtAppealBound = '1';
-    Array.prototype.forEach.call(form.querySelectorAll('textarea.form-control'), bindAutoHeight);
+    // autoHeight 仅对显式声明 autoHeight/maxHeight 的文本框生效：
+    // 申诉说明框（1:1 参考主题）为 rows=3 自然高度 + 容器滚动，
+    // 无 maxHeight 时执行 grow 会被压成 0px。
+    Array.prototype.forEach.call(
+      form.querySelectorAll('textarea[autoHeight], textarea[maxHeight]'),
+      bindAutoHeight
+    );
     form.addEventListener('submit', function (event) {
       event.preventDefault();
       submitAppeal(form);
diff --git a/inc/helpers/user-ban.php b/inc/helpers/user-ban.php
index e08aa156..19e28d47 100644
--- a/inc/helpers/user-ban.php
+++ b/inc/helpers/user-ban.php
@@ -89,8 +89,9 @@ function aksrt_get_user_ban_identity_badge(int $user_id, string $class = ''): st
 
 /**
  * 「查看禁封状态」入口（用户中心元信息位，参考主题 user_page_header_desc
- * 钩子 / zib_get_user_ban_info_link：but 按钮 = 徽章 + 文案 + 右箭头，
- * 点击经 data-aksrt-ban-info 委托打开禁封信息弹窗）。
+ * 钩子 / zib_get_user_ban_info_link：but 按钮 = 内层 badg 徽章（带色）+
+ * 右箭头，外层 but 为默认按钮色——不在内外两层重复着色）。
+ * 点击经 data-aksrt-ban-info 委托打开禁封信息弹窗。
  */
 function aksrt_get_user_ban_info_link(int $user_id, string $class = ''): string
 {
@@ -105,7 +106,8 @@ function aksrt_get_user_ban_info_link(int $user_id, string $class = ''): string
     if ($badge === '') {
         return '';
     }
-    $classes = trim('but p2-10 ' . (string) $state['tone'] . ($class !== '' ? ' ' . $class : ''));
+    // 外层 but 不重复状态色：颜色仅由内层 badg 承载（1:1 参考主题）。
+    $classes = trim('but p2-10' . ($class !== '' ? ' ' . $class : ''));
     return '<a class="' . esc_attr($classes) . '" href="javascript:;" role="button"'
         . ' data-aksrt-ban-info="' . esc_attr((string) $user_id) . '"'
         . ' title="' . esc_attr__('查看禁封状态', 'aksrt') . '">' . $badge
@@ -292,8 +294,10 @@ function aksrt_get_user_ban_appeal_modal(int $user_id): string
     }
 
     $desc_html = (string) $settings['desc'] !== '' ? '<div class="mb10 em09">' . wp_kses_post(nl2br(esc_html((string) $settings['desc']))) . '</div>' : '';
+    // 滚动容器 1:1 参考主题申诉弹窗：scroll-y + mini-scrollbar（无侧边滚动栏）+ max-vh5（50vh，
+    // 内层滚动、外层对话框不滚动）；说明框保持 rows=3 自然高度，不做 autoHeight 压缩。
     $html .= '<form class="aksrt-user-ban-appeal-form" data-aksrt-appeal-form>'
-        . '<div class="scroll-y mini-scrollbar max-vh7">' . $info_box . $input . $desc_html . '</div>'
+        . '<div class="scroll-y mini-scrollbar max-vh5">' . $info_box . $input . $desc_html . '</div>'
         . $footer . '</form>';
     $html .= '</div>';
 
@@ -354,7 +358,7 @@ function aksrt_get_user_ban_log_modal(int $user_id): string
     }
 
     $html .= '<div class="c-yellow mb10">' . esc_html(sprintf(__('该用户共有%d次禁封记录', 'aksrt'), count($logs))) . '</div>';
-    $html .= '<div class="scroll-y mini-scrollbar max-vh7">';
+    $html .= '<div class="scroll-y mini-scrollbar max-vh5">';
     $i = 1;
     foreach ($logs as $log) {
         $type       = (string) ($log['type'] ?? '');
diff --git a/tests/widget-system/report-ban-contract.test.cjs b/tests/widget-system/report-ban-contract.test.cjs
index 03f5498a..98a25628 100644
--- a/tests/widget-system/report-ban-contract.test.cjs
+++ b/tests/widget-system/report-ban-contract.test.cjs
@@ -208,6 +208,22 @@ test('ban prompt surface mirrors the reference theme modals and block page', ()
   assert.match(userBanHelper, /您的申诉正在审核中，请耐心等待/)
   assert.match(userBanHelper, /name="data\[/)
   assert.match(userBanHelper, /详细的说明更容易通过审核喔/)
+  // 申诉弹窗滚动容器 1:1 参考主题：scroll-y + mini-scrollbar（无侧边滚动栏）+ max-vh5；
+  // 说明框保持 rows=3 自然高度（禁封弹窗留言框才有 autoHeight/maxHeight）。
+  assert.match(userBanHelper, /scroll-y mini-scrollbar max-vh5/)
+  const appealModalFn = userBanHelper.slice(userBanHelper.indexOf('function aksrt_get_user_ban_appeal_modal'))
+  const appealModalBody = appealModalFn.slice(0, appealModalFn.indexOf('\n}'))
+  const appealTextarea = (appealModalBody.match(/<textarea[^>]*>/) || [''])[0]
+  assert.ok(appealTextarea !== '' && appealTextarea.includes('rows="3"'), 'appeal textarea keeps natural rows=3 height')
+  assert.ok(!appealTextarea.includes('autoHeight'), 'appeal textarea must not opt into autoHeight')
+  assert.ok(!appealTextarea.includes('maxHeight'), 'appeal textarea must not carry maxHeight (bindAutoHeight would squash it to 0)')
+  // JS：autoHeight 仅对显式声明的文本框生效。
+  assert.match(userBanJs, /querySelectorAll\('textarea\[autoHeight\], textarea\[maxHeight\]'\)/)
+  // 用户中心元信息按钮：外层 but 不重复状态色，颜色仅由内层 badg 承载。
+  const infoLinkFn = userBanHelper.slice(userBanHelper.indexOf('function aksrt_get_user_ban_info_link'))
+  const infoLinkBody = infoLinkFn.slice(0, infoLinkFn.indexOf('\n}'))
+  assert.match(infoLinkBody, /\$classes = trim\('but p2-10'\s*\./)
+  assert.ok(!infoLinkBody.includes("'but p2-10 ' . (string) \$state['tone']"), 'outer but must not repeat the badge tone')
   // 申诉表单 data[key] 结构与后端兼容。
   assert.match(banAppeal, /is_array\(\$_POST\['data'\]\)/)
   assert.match(banAppeal, /申诉说明/)