diff --git a/content/site/pages.yaml b/content/site/pages.yaml
new file mode 100644
index 0000000..d8f2a8f
--- /dev/null
+++ b/content/site/pages.yaml
@@ -0,0 +1,21 @@
+# 页面标题下的说明文案（瞬间 / 书架）：文字、字号、颜色、字体都在这里改。
+# 缺省即回落内置默认，删字段不会破版。
+# 说明：color 取 tokens 里的灰阶层级（ink-1..ink-4）；font 取排版类白名单里的字体类。
+
+moments:
+  note:
+    zh: 零碎的记录：随手拍、一句话感想、开源动态。
+    en: 'Fragmented notes: casual shots, one-liners, and open-source updates.'
+  style:
+    size: 13
+    color: ink-4
+    font: font-sans
+
+books:
+  note:
+    zh: 点一行展开封面与简介 · 置顶的书默认展开
+    en: 'Tap a row for the cover and blurb · pinned books start open'
+  style:
+    size: 13
+    color: ink-4
+    font: font-sans   # 与改造前一致；想用楷体改成 font-kai
diff --git a/src/components/pages/BooksPage.astro b/src/components/pages/BooksPage.astro
index c141edb..5d50249 100644
--- a/src/components/pages/BooksPage.astro
+++ b/src/components/pages/BooksPage.astro
@@ -18,11 +18,14 @@ import BaseLayout from '../../layouts/BaseLayout.astro';
 import { t } from '../../i18n/ui';
 import type { Locale } from '../../lib/locale';
 import { sortPosts } from '../../lib/post-order';
+import { pageNote } from '../../lib/site-content';
 
 interface Props {
   locale?: Locale;
 }
 const { locale = 'zh' } = Astro.props;
+// 标题下说明：文字与样式都可后台改（白名单校验，非法值回落）
+const note = await pageNote('books', locale);
 
 const books = sortPosts(
   await getCollection(
@@ -58,10 +61,6 @@ const pinnedCount = items.filter((i) => i.pinned).length;
 const L = {
   shelf: t('books_title', locale),
   count: locale === 'zh' ? `${items.length} 本` : `${items.length} books`,
-  note:
-    locale === 'zh'
-      ? '点一行展开封面与简介 · 置顶的书默认展开'
-      : 'Tap a row for the cover and blurb · pinned books start open',
   read: locale === 'zh' ? '读这篇书评 →' : 'Read the review →',
   pinned: t('pinned_label', locale),
   expand: locale === 'zh' ? '展开封面与简介' : 'Expand cover and blurb',
@@ -77,7 +76,8 @@ const L = {
     {L.shelf}<span class="count mono">{L.count}</span>
     {pinnedCount > 0 && <span class="pinned-count mono">{pinnedCount} {L.pinned}</span>}
   </h1>
-  <p class="page-note">{L.note}</p>
+  <!-- 标题下说明：由 content/site/pages.yaml 的 books.note/style 驱动 -->
+  <p class:list={['page-note', note.className]} style={note.style} set:html={note.html} />
 
   <ul class="books">
     {items.map((b) => (
diff --git a/src/components/pages/MomentsPage.astro b/src/components/pages/MomentsPage.astro
index d5130c6..9529f49 100644
--- a/src/components/pages/MomentsPage.astro
+++ b/src/components/pages/MomentsPage.astro
@@ -5,7 +5,7 @@ import BaseLayout from '../../layouts/BaseLayout.astro';
 import MomentComments from '../MomentComments.astro';
 import ViewMeta from '../geek/ViewMeta.astro';
 import { t } from '../../i18n/ui';
-import { renderRich } from '../../lib/site-content';
+import { pageNote, renderRich } from '../../lib/site-content';
 import type { Locale } from '../../lib/locale';
 
 // /en/ 侧由 T4 薄页传 locale='en'；zh 路由无人传参，默认 zh 零回归
@@ -13,6 +13,8 @@ interface Props {
   locale?: Locale;
 }
 const { locale = 'zh' } = Astro.props;
+// 标题下说明：文字与样式都可后台改（白名单校验，非法值回落）
+const note = await pageNote('moments', locale);
 
 const moments = (await getCollection('moments')).sort(
   (a, b) => b.data.pubDate.getTime() - a.data.pubDate.getTime(),
@@ -32,7 +34,8 @@ const iso = (d: Date) => d.toISOString();
 
 <BaseLayout title={`${t('moments_title', locale)} · wait4x`}>
   <h1 class="page-title">{t('moments_title', locale)}</h1>
-  <p class="page-note">{t('moments_note', locale)}</p>
+  <!-- 标题下说明：文案/字号/颜色/字体均由后台「页面文案 → 页面说明」控制（site-content.pageNote） -->
+  <p class:list={['page-note', note.className]} style={note.style} set:html={note.html} />
   <!-- 整页计数（Phase 5h T4）：这是本页唯一的计数点（page 模式）；
        每条瞬间卡片底部的徽标是 readonly，读者开评论不会虚增浏览数 -->
   <ViewMeta class="mom-page-meta" pageKey={locale === 'en' ? '/en/moments/' : '/moments/'} {locale} variant="chip" />