diff --git a/docs/写作指南.md b/docs/写作指南.md
index aadfaea..9540aee 100644
--- a/docs/写作指南.md
+++ b/docs/写作指南.md
@@ -28,24 +28,27 @@ content/posts/
 - 图注可选；写法固定为 `*…*` 单独成段，紧跟图片
 - 压缩纪律：入仓前长边 ≤2400px（可跑 `python3 scripts/photos_ingest.py`，对 posts 资产同样有效的思路，图片请自行用同规格压缩）
 
-## 视频
+## 视频 / 音频
 
-markdown 原生不认视频，直接写 HTML 标签（Astro 透传）：
+markdown 原生不认视音频，写 HTML 标签；**raw HTML 的相对路径不走 Astro
+资产管线**（只有 `![]()` 图片语法走），所以媒体文件放 **`public/media/{slug}/`**
+（构建原样拷入 dist），引用用绝对路径 `/media/...`：
+
+```
+public/media/my-post/clip.mp4      ← 文件放这里
+```
 
 ```html
-<video controls preload="metadata" src="./assets/my-post/clip.mp4"></video>
+<video controls preload="metadata" src="/media/my-post/clip.mp4"></video>
 *片头三秒试拍*
+
+<audio controls preload="metadata" src="/media/my-post/voice.mp3"></audio>
+*朗读：面纱选段*
 ```
 
 - `preload="metadata"` 必写（不预拖流量，只取时长/首帧）
-- 样式已全局处理（全宽圆角黑底）
-
-## 音频
-
-```html
-<audio controls preload="metadata" src="./assets/my-post/voice.mp3"></audio>
-*朗读：面纱选段*
-```
+- 样式已全局处理（视频全宽圆角黑底、音频胶囊条）
+- /media/ 命名空间同时覆盖"仓内小文件"与"仓外 store 大文件"（见体积纪律表）
 
 ## 体积纪律（git 仓红线）
 
diff --git a/src/components/ArtalkComments.astro b/src/components/ArtalkComments.astro
index bc74337..2794950 100644
--- a/src/components/ArtalkComments.astro
+++ b/src/components/ArtalkComments.astro
@@ -10,6 +10,65 @@ const { pageKey, pageTitle } = Astro.props;
 
 <div id="artalk-container" data-page-key={pageKey} data-page-title={pageTitle}></div>
 
+<!-- Artalk 主题接管：--at-color-* 全套映射到站点 tokens（值均为 var()，明暗随
+     html[data-theme] 翻转 tokens 自动生效，一套规则双态成立）。
+     依据：Artalk.css(v2.10) 全部表面由这 18 个变量驱动；init 锁 darkMode:false
+     防 Artalk 自带 atk-dark-mode 类与接管层打架。弹层挂 body 下需单独同款映射 -->
+<style is:global>
+  #artalk-container,
+  .atk-layer-wrap {
+    --at-color-bg: var(--bg);
+    --at-color-bg-transl: color-mix(in oklab, var(--bg) 95%, transparent);
+    --at-color-bg-grey: var(--bg-soft);
+    --at-color-bg-grey-transl: color-mix(in oklab, var(--bg-soft) 95%, transparent);
+    --at-color-bg-light: var(--accent-soft);
+    --at-color-border: var(--line);
+    --at-color-font: var(--ink-2);
+    --at-color-deep: var(--ink-1);
+    --at-color-sub: var(--ink-3);
+    --at-color-grey: var(--ink-3);
+    --at-color-meta: var(--ink-4);
+    --at-color-light: var(--ink-4);
+    --at-color-main: var(--accent);
+    /* 高度限高渐隐遮罩必须与 bg 同源，否则暗色下露白腿 */
+    --at-color-gradient: linear-gradient(180deg, transparent, var(--bg));
+    /* red/pink/yellow/green 语义功能色保留官方默认：纪律只管气质，不损语义 */
+  }
+
+  /* 气质对齐（不动排版）：字体、头像圆角、时间戳 mono、链接纪律 */
+  #artalk-container {
+    font-family: var(--font-sans);
+  }
+  #artalk-container .atk-avatar img {
+    border-radius: 8px;
+  }
+  #artalk-container .atk-meta,
+  #artalk-container .atk-ua {
+    font-family: var(--font-mono);
+    font-size: 12px;
+  }
+  #artalk-container .atk-copyright {
+    font-family: var(--font-mono);
+    font-size: 11px;
+    color: var(--ink-4);
+  }
+  #artalk-container .atk-textarea,
+  #artalk-container .atk-input,
+  #artalk-container .atk-send-btn,
+  #artalk-container .atk-btn {
+    border-radius: 8px;
+  }
+  #artalk-container .atk-content a {
+    color: var(--accent);
+    text-decoration: underline;
+    text-decoration-color: color-mix(in oklab, var(--accent) 40%, transparent);
+    text-underline-offset: 0.2em;
+  }
+  #artalk-container .atk-content a:hover {
+    text-decoration-color: var(--accent);
+  }
+</style>
+
 <script>
   const el = document.getElementById('artalk-container');
   if (el) {
@@ -30,6 +89,8 @@ const { pageKey, pageTitle } = Astro.props;
         pageKey: el.dataset.pageKey,
         pageTitle: el.dataset.pageTitle,
         locale: 'zh-CN',
+        // 锁亮皮：明暗由页面 tokens 接管（见上方 --at-* 映射），避免双暗色机制叠加
+        darkMode: false,
       });
     };
     // 进入视口 ~200px 前挂载；无 IO 环境直接挂
diff --git a/src/pages/archives/[...slug].astro b/src/pages/archives/[...slug].astro
index b673601..c024cf9 100644
--- a/src/pages/archives/[...slug].astro
+++ b/src/pages/archives/[...slug].astro
@@ -7,7 +7,7 @@ import { trackOf } from '../../content.config';
 
 // URL = /archives/{slug}，slug 即文件名，与 Halo 旧结构 1:1（不可改）
 export async function getStaticPaths() {
-  const posts = (await getCollection('posts', ({ data }) => !data.draft)).sort(
+  const posts = (await getCollection('posts', ({ data }) => !data.draft && !data.tags.includes('hidden'))).sort(
     (a, b) => b.data.pubDate.getTime() - a.data.pubDate.getTime(),
   );
   return posts.map((entry, i) => ({
diff --git a/src/pages/archives/index.astro b/src/pages/archives/index.astro
index 64aee5c..4f8ec32 100644
--- a/src/pages/archives/index.astro
+++ b/src/pages/archives/index.astro
@@ -4,7 +4,7 @@ import { getCollection } from 'astro:content';
 import BaseLayout from '../../layouts/BaseLayout.astro';
 import PostList from '../../components/PostList.astro';
 
-const posts = (await getCollection('posts', ({ data }) => !data.draft)).sort(
+const posts = (await getCollection('posts', ({ data }) => !data.draft && !data.tags.includes('hidden'))).sort(
   (a, b) => b.data.pubDate.getTime() - a.data.pubDate.getTime(),
 );
 ---
diff --git a/src/pages/en/archives/[...slug].astro b/src/pages/en/archives/[...slug].astro
index 8f30a62..05fa2e0 100644
--- a/src/pages/en/archives/[...slug].astro
+++ b/src/pages/en/archives/[...slug].astro
@@ -8,7 +8,7 @@ import AiTranslatedBadge from '../../../components/AiTranslatedBadge.astro';
 import { t } from '../../../i18n/ui';
 
 export async function getStaticPaths() {
-  const zh = (await getCollection('posts', ({ data }) => !data.draft)).sort(
+  const zh = (await getCollection('posts', ({ data }) => !data.draft && !data.tags.includes('hidden'))).sort(
     (a, b) => b.data.pubDate.getTime() - a.data.pubDate.getTime(),
   );
   const en = new Map((await getCollection('postsEn')).map((e) => [e.id, e]));
diff --git a/src/pages/en/index.astro b/src/pages/en/index.astro
index 5ed8442..02c8b8f 100644
--- a/src/pages/en/index.astro
+++ b/src/pages/en/index.astro
@@ -9,7 +9,7 @@ import ProjectWall from '../../components/geek/ProjectWall.astro';
 import Heatmap from '../../components/geek/Heatmap.astro';
 import { t } from '../../i18n/ui';
 
-const posts = (await getCollection('posts', ({ data }) => !data.draft)).sort(
+const posts = (await getCollection('posts', ({ data }) => !data.draft && !data.tags.includes('hidden'))).sort(
   (a, b) => b.data.pubDate.getTime() - a.data.pubDate.getTime(),
 );
 // 列表标题吃 postsEn 译题（缺译回退 zh，与 /en/archives 同策略）
diff --git a/src/pages/en/rss.xml.ts b/src/pages/en/rss.xml.ts
index 9c40a6e..71d88d6 100644
--- a/src/pages/en/rss.xml.ts
+++ b/src/pages/en/rss.xml.ts
@@ -5,7 +5,7 @@ import type { APIContext } from 'astro';
 // 英文 RSS：postsEn 全量；标题缺译时回退 zh 标题（与 /en/ 页同策略）
 export async function GET(context: APIContext) {
   const en = new Map((await getCollection('postsEn')).map((e) => [e.id, e]));
-  const posts = (await getCollection('posts', ({ data }) => !data.draft)).sort(
+  const posts = (await getCollection('posts', ({ data }) => !data.draft && !data.tags.includes('hidden'))).sort(
     (a, b) => b.data.pubDate.valueOf() - a.data.pubDate.valueOf(),
   );
   return rss({
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 75030e1..a75826d 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -8,7 +8,7 @@ import ProjectWall from '../components/geek/ProjectWall.astro';
 import Heatmap from '../components/geek/Heatmap.astro';
 import { t } from '../i18n/ui';
 
-const posts = (await getCollection('posts', ({ data }) => !data.draft)).sort(
+const posts = (await getCollection('posts', ({ data }) => !data.draft && !data.tags.includes('hidden'))).sort(
   (a, b) => b.data.pubDate.getTime() - a.data.pubDate.getTime(),
 );
 // 最新影像取集合前 4 张；照片时间序由照片管线（exif 车道）治理，此处只裁切
diff --git a/src/pages/rss.xml.ts b/src/pages/rss.xml.ts
index 187762d..2d5d8d9 100644
--- a/src/pages/rss.xml.ts
+++ b/src/pages/rss.xml.ts
@@ -4,7 +4,7 @@ import type { APIContext } from 'astro';
 
 // RSS：posts 集合全量（draft 排除）；Phase 3 起双语各出一路（/rss.xml 与 /en/rss.xml）
 export async function GET(context: APIContext) {
-  const posts = (await getCollection('posts', ({ data }) => !data.draft))
+  const posts = (await getCollection('posts', ({ data }) => !data.draft && !data.tags.includes('hidden')))
     .sort((a, b) => b.data.pubDate.valueOf() - a.data.pubDate.valueOf());
   return rss({
     title: 'wait4x',