diff --git a/.vitepress/config.mts b/.vitepress/config.mts
index 75e57bc..2e1112b 100644
--- a/.vitepress/config.mts
+++ b/.vitepress/config.mts
@@ -9,7 +9,7 @@ import { generateSidebar } from './sidebar.mts'
 const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..')
 
 export default defineConfig({
-  title: 'DAO DE JING',
+  title: '道德经',
   description: '传统文化典籍资料库',
   lang: 'zh-CN',
   srcDir: '.',
diff --git a/.vitepress/pwa.mts b/.vitepress/pwa.mts
index 2f8d99a..5997086 100644
--- a/.vitepress/pwa.mts
+++ b/.vitepress/pwa.mts
@@ -27,6 +27,12 @@ export function createPwaPlugin() {
       start_url: '/',
       categories: ['books', 'education'],
       icons: [
+        {
+          src: '/apple-touch-icon.png',
+          sizes: '180x180',
+          type: 'image/png',
+          purpose: 'any',
+        },
         {
           src: '/icon-192.png',
           sizes: '192x192',
diff --git a/.vitepress/theme/custom.css b/.vitepress/theme/custom.css
index 33b4712..d67a086 100644
--- a/.vitepress/theme/custom.css
+++ b/.vitepress/theme/custom.css
@@ -3,15 +3,25 @@
     'Noto Sans SC', 'Source Han Sans SC', sans-serif;
 }
 
+html {
+  overflow-x: clip;
+}
+
 /* 旧版 markdown 里的 <font size="4"> 在手机上过大 */
-.vp-doc font {
+.vp-doc font,
+.vp-md-font {
+  display: block;
+  max-width: 100%;
   font-size: inherit !important;
+  overflow-wrap: anywhere;
 }
 
 .vp-doc {
   line-height: 1.85;
   letter-spacing: 0.02em;
   word-break: break-word;
+  overflow-wrap: anywhere;
+  max-width: 100%;
 }
 
 .vp-doc h1 {
@@ -32,13 +42,20 @@
 
 .vp-doc p {
   margin: 1em 0;
+  overflow-wrap: anywhere;
 }
 
 /* 道德经等用缩进写的“伪代码块”，改成正文排版 */
-.vp-doc pre {
-  white-space: pre-wrap;
+.vp-doc pre,
+.vp-doc pre code {
+  white-space: pre-wrap !important;
   word-break: break-word;
+  overflow-wrap: anywhere;
+}
+
+.vp-doc pre {
   overflow-x: auto;
+  max-width: 100%;
   font-family: var(--vp-font-family-base);
   font-size: 1rem;
   line-height: 1.9;
@@ -51,11 +68,13 @@
 .vp-doc :not(pre) > code {
   font-size: 0.92em;
   word-break: break-word;
+  overflow-wrap: anywhere;
 }
 
 .vp-doc img {
   display: block;
   max-width: 100% !important;
+  width: auto !important;
   height: auto !important;
   margin: 1em auto;
   border-radius: 8px;
@@ -66,6 +85,7 @@
   overflow-x: auto;
   -webkit-overflow-scrolling: touch;
   font-size: 0.92rem;
+  max-width: 100%;
 }
 
 .vp-doc blockquote {
@@ -91,6 +111,16 @@
     padding-top: 0;
   }
 
+  .VPDoc .container,
+  .VPDoc .content,
+  .VPDoc .content-container,
+  .vp-doc,
+  .vp-md-font {
+    min-width: 0;
+    max-width: 100%;
+    box-sizing: border-box;
+  }
+
   .VPDoc .container {
     padding: 0 14px;
   }
@@ -100,7 +130,7 @@
   }
 
   .vp-doc {
-    padding: 12px 0 88px;
+    padding: 8px 0 88px;
     font-size: 17px;
   }
 
@@ -109,8 +139,9 @@
   }
 
   /* 手机隐藏右侧大纲，避免挤压正文 */
-  .VPDoc .aside {
-    display: none;
+  .VPDoc .aside,
+  .VPDoc .aside-container {
+    display: none !important;
   }
 
   .VPDoc.has-aside .content-container {
diff --git a/.vitepress/theme/index.ts b/.vitepress/theme/index.ts
index 0c99811..eda76b3 100644
--- a/.vitepress/theme/index.ts
+++ b/.vitepress/theme/index.ts
@@ -1,5 +1,5 @@
 import DefaultTheme from 'vitepress/theme'
-import { h } from 'vue'
+import { h, defineComponent } from 'vue'
 import InstallApp from './InstallApp.vue'
 import './custom.css'
 
@@ -9,8 +9,19 @@ if (typeof window !== 'undefined') {
   })
 }
 
+/** 旧 markdown 的 <font> 标签改为 div，避免手机端布局溢出 */
+const MdFont = defineComponent({
+  name: 'MdFont',
+  setup(_, { slots }) {
+    return () => h('div', { class: 'vp-md-font' }, slots.default?.())
+  },
+})
+
 export default {
   extends: DefaultTheme,
+  enhanceApp({ app }) {
+    app.component('font', MdFont)
+  },
   Layout: () => {
     return h(DefaultTheme.Layout, null, {
       'layout-bottom': () => h(InstallApp),
diff --git a/assets/site/favicon.svg b/assets/site/favicon.svg
index 9ab23b2..f378fb4 100644
--- a/assets/site/favicon.svg
+++ b/assets/site/favicon.svg
@@ -1,11 +1,11 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" role="img" aria-label="S">
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" role="img" aria-label="道">
   <defs>
     <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
-      <stop offset="0%" stop-color="#0f3460"/>
-      <stop offset="100%" stop-color="#1a1a2e"/>
+      <stop offset="0%" stop-color="#1b8a5a"/>
+      <stop offset="100%" stop-color="#0f3460"/>
     </linearGradient>
   </defs>
   <rect width="512" height="512" rx="112" fill="url(#bg)"/>
   <circle cx="256" cy="256" r="196" fill="none" stroke="#d4af37" stroke-width="10" opacity="0.85"/>
-  <text x="256" y="292" text-anchor="middle" font-size="220" font-family="'KaiTi','STKaiti','SimSun',serif" fill="#f5f5f5">S</text>
+  <text x="256" y="300" text-anchor="middle" font-size="220" font-family="'KaiTi','STKaiti','SimSun',serif" fill="#f5f5f5">道</text>
 </svg>
diff --git a/scripts/generate-icons.mjs b/scripts/generate-icons.mjs
index 81f1830..2d9b900 100644
--- a/scripts/generate-icons.mjs
+++ b/scripts/generate-icons.mjs
@@ -7,14 +7,22 @@ import toIco from 'to-ico'
 const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..')
 const siteDir = path.join(root, 'assets', 'site')
 const sourcePng = path.join(siteDir, 'apple-touch-icon.png')
+const sourceSvg = path.join(siteDir, 'favicon.svg')
 
-if (!fs.existsSync(sourcePng)) {
-  console.warn('[generate-icons] 跳过：未找到 apple-touch-icon.png')
+function resolveSource() {
+  if (fs.existsSync(sourcePng)) return sourcePng
+  if (fs.existsSync(sourceSvg)) return sourceSvg
+  return null
+}
+
+const source = resolveSource()
+if (!source) {
+  console.warn('[generate-icons] 跳过：未找到 apple-touch-icon.png 或 favicon.svg')
   process.exit(0)
 }
 
 async function resizePng(size) {
-  return sharp(sourcePng).resize(size, size).png().toBuffer()
+  return sharp(source, { density: 300 }).resize(size, size).png().toBuffer()
 }
 
 const icoSizes = [16, 32, 48, 64, 128, 256]
@@ -26,4 +34,4 @@ fs.writeFileSync(path.join(siteDir, 'icon-192.png'), await resizePng(192))
 fs.writeFileSync(path.join(siteDir, 'icon-512.png'), await resizePng(512))
 fs.writeFileSync(path.join(siteDir, 'favicon.png'), await resizePng(512))
 
-console.log('[generate-icons] 已生成 favicon.ico、icon-192.png、icon-512.png')
+console.log(`[generate-icons] 已从 ${path.basename(source)} 生成 favicon.ico、icon-192.png、icon-512.png`)
diff --git a/server/index.js b/server/index.js
index 86323ac..c47d23c 100644
--- a/server/index.js
+++ b/server/index.js
@@ -162,6 +162,15 @@ app.get('/api/me', authGuard, (req, res) => {
 
 app.use(authGuard)
 
+function sendDistFile(res, relativePath, contentType) {
+  const filePath = path.join(distPath, relativePath)
+  if (!fs.existsSync(filePath)) {
+    return res.status(404).end('Not Found')
+  }
+  if (contentType) res.type(contentType)
+  return res.sendFile(filePath)
+}
+
 if (!fs.existsSync(distPath)) {
   console.error(
     '未找到构建产物 .vitepress/dist，请先运行: npm run build',
@@ -169,10 +178,19 @@ if (!fs.existsSync(distPath)) {
   process.exit(1)
 }
 
+app.get('/site.webmanifest', (req, res) => {
+  sendDistFile(res, 'site.webmanifest', 'application/manifest+json')
+})
+
 app.use(
   express.static(distPath, {
     index: false,
     fallthrough: true,
+    setHeaders(res, filePath) {
+      if (filePath.endsWith('.webmanifest')) {
+        res.setHeader('Content-Type', 'application/manifest+json')
+      }
+    },
   }),
 )