diff --git a/stash-web/src/App.css b/stash-web/src/App.css
index 7734ff0..e12a5eb 100644
--- a/stash-web/src/App.css
+++ b/stash-web/src/App.css
@@ -1,26 +1,41 @@
-/* 页面级样式：只保留「组件库没有」的部分（背景、外壳、封面比例、正文版式）。
-   颜色 / 间距 / 字号全部取自 @stash/ui 的令牌，组件内部样式不要再在这里覆盖。 */
+/* 页面级样式：只保留「组件库没有」的部分（背景、外壳、封面兜底、正文版式）。
+   颜色 / 间距 / 字号全部取自 @stash/ui 的令牌。 */
 
 .app {
-  background-color: var(--su-bg-page);
+  position: relative;
+  z-index: 1;
+  /* 透明：让固定背景图从下面透出来（Layout 默认有底色） */
+  background-color: transparent;
 }
 
 /* 顶部背景图：固定 65vh，底部渐隐到页面底色 */
 .site-background {
   position: fixed;
   inset: 0 0 auto;
-  z-index: -1;
+  z-index: 0;
   height: 65vh;
   background: url('./assets/site-bg.jpg') center top / cover no-repeat;
-  opacity: 0.16;
-  mask-image: linear-gradient(to bottom, #000 35%, transparent 100%);
+  pointer-events: none;
 }
 
+.site-background::after {
+  content: '';
+  position: absolute;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  height: 80%;
+  background: linear-gradient(to bottom, transparent, var(--su-bg-page));
+}
+
+/* ---------- 页头 ---------- */
+
 .site-header-inner {
   display: flex;
   align-items: center;
-  gap: var(--su-space-6);
-  height: 64px;
+  justify-content: space-between;
+  gap: var(--su-space-4);
+  height: var(--su-header-height);
 }
 
 .site-brand {
@@ -34,10 +49,10 @@
   place-items: center;
   width: 32px;
   height: 32px;
-  border-radius: var(--su-radius-sm);
-  background-color: var(--su-color-primary);
+  border-radius: var(--su-radius-pill);
+  background-color: var(--su-text-main);
   color: var(--su-white);
-  font-size: var(--su-font-size-md);
+  font-size: var(--su-font-size-base);
   font-weight: var(--su-font-weight-strong);
 }
 
@@ -56,46 +71,50 @@
   margin-left: auto;
 }
 
+/* ---------- 搜索：悬浮在页头下方居中 ---------- */
+
+.search-row {
+  position: fixed;
+  top: 76px;
+  left: 50%;
+  z-index: var(--su-z-header);
+  width: min(480px, calc(100vw - 48px));
+  height: 44px;
+  transform: translateX(-50%);
+}
+
+/* ---------- 两栏骨架 ---------- */
+
 .content {
   display: flex;
   flex-direction: column;
-  gap: var(--su-space-4);
-  padding-top: var(--su-space-2);
-}
-
-/* 搜索框吸在页头下方，滚动时内容从它下面穿过 */
-.search-row {
-  position: sticky;
-  top: 64px;
-  z-index: var(--su-z-header);
-  padding: var(--su-space-2) 0;
-  background-color: color-mix(in srgb, var(--su-bg-page) 88%, transparent);
-  backdrop-filter: blur(8px);
+  gap: var(--su-space-5);
+  padding-top: 88px;
+  padding-bottom: var(--su-space-10);
 }
 
 .sidebar {
-  position: sticky;
-  top: 84px;
   display: flex;
   flex-direction: column;
-  gap: var(--su-space-3);
-  padding: var(--su-space-4) var(--su-space-4) var(--su-space-4) 0;
+  gap: var(--su-space-4);
+  padding-top: 88px;
 }
 
-.profile-card,
-.service-panel,
-.nav-card {
-  flex-shrink: 0;
-}
+/* ---------- 侧栏卡片 ---------- */
 
 .profile-card {
   display: flex;
   flex-direction: column;
   align-items: center;
-  gap: var(--su-space-2);
+  gap: 6px;
+  padding: 18px 14px 14px;
   text-align: center;
 }
 
+.service-panel {
+  padding: 12px 14px;
+}
+
 .service-stats {
   display: flex;
   flex-direction: column;
@@ -107,10 +126,16 @@
   max-width: 140px;
 }
 
+.nav-card {
+  padding: var(--su-space-2);
+}
+
+/* ---------- 首页分区 ---------- */
+
 .home-view {
   display: flex;
   flex-direction: column;
-  gap: var(--su-space-4);
+  gap: var(--su-space-5);
 }
 
 .section-header {
@@ -131,10 +156,9 @@
 .app-card {
   display: flex;
   align-items: center;
-  gap: var(--su-space-3);
-  padding: var(--su-space-2);
+  gap: 15px;
+  padding: 6px 0;
   border-radius: var(--su-radius-sm);
-  transition: background-color var(--su-duration-fast) var(--su-ease-in-out);
 }
 
 .app-card:hover {
@@ -148,50 +172,7 @@
   min-width: 0;
 }
 
-/* ---------- 封面卡（海报 / 图文） ---------- */
-
-.cover-card {
-  position: relative;
-  display: block;
-  width: 100%;
-  overflow: hidden;
-  border-radius: var(--su-radius-sm);
-  background-color: var(--su-bg-light);
-  text-align: left;
-}
-
-.cover {
-  display: block;
-  width: 100%;
-  object-fit: cover;
-  transition: transform var(--su-duration-base) var(--su-ease-in-out);
-}
-
-.cover--poster {
-  aspect-ratio: 2 / 3;
-}
-
-.cover--article {
-  aspect-ratio: 4 / 3;
-}
-
-.cover-card:hover .cover {
-  transform: scale(1.04);
-}
-
-.cover-caption {
-  position: absolute;
-  inset: auto 0 0;
-  display: -webkit-box;
-  overflow: hidden;
-  padding: 24px var(--su-space-2) var(--su-space-2);
-  background: linear-gradient(transparent, rgb(0 0 0 / 62%));
-  color: var(--su-white);
-  font-size: var(--su-font-size-sm);
-  line-height: var(--su-line-height-sm);
-  -webkit-box-orient: vertical;
-  -webkit-line-clamp: 2;
-}
+/* ---------- 图文白卡 ---------- */
 
 .ces-card {
   overflow: hidden;
@@ -200,6 +181,7 @@
 .ces-body {
   display: flex;
   flex-direction: column;
+  gap: var(--su-space-1);
   padding: var(--su-space-3);
   text-align: left;
 }
@@ -218,23 +200,63 @@
 .detail-view {
   display: flex;
   flex-direction: column;
-  gap: var(--su-space-4);
+  gap: var(--su-space-5);
+}
+
+.detail-nav {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px var(--su-space-5);
+}
+
+.detail-back {
+  color: var(--su-color-primary);
+  font-size: var(--su-font-size-md);
+  font-weight: var(--su-font-weight-bold);
+  cursor: pointer;
+}
+
+.detail-back:hover {
+  opacity: 0.8;
 }
 
 .detail-hero {
   display: flex;
+  flex-direction: column;
   align-items: center;
-  gap: var(--su-space-3);
+  padding: 12px 0 4px;
+  text-align: center;
 }
 
 .detail-hero-icon {
-  font-size: 24px;
+  font-size: 40px;
   line-height: 1;
 }
 
+.item-card {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 24px 28px;
+}
+
+.item-title {
+  justify-content: center;
+  gap: 6px;
+}
+
 .item-edit {
-  margin-left: var(--su-space-2);
+  margin-left: var(--su-space-1);
+  font-size: var(--su-font-size-sm);
+  color: var(--su-color-primary);
   vertical-align: middle;
+  cursor: pointer;
+}
+
+.item-edit:disabled {
+  cursor: not-allowed;
+  opacity: 0.6;
 }
 
 .item-cover {
@@ -268,14 +290,64 @@
 }
 
 .item-quote {
-  padding: var(--su-space-3) var(--su-space-4);
-  border-left: 2px solid var(--su-color-primary);
-  border-radius: 0 var(--su-radius-sm) var(--su-radius-sm) 0;
-  background-color: var(--su-bg-subtle);
+  display: flex;
+  gap: 6px;
+  width: 100%;
+  margin-top: 18px;
+  text-align: left;
+}
+
+.item-quote-mark {
+  font-size: var(--su-font-size-lg);
+  line-height: 1;
+  color: var(--su-color-primary);
+}
+
+.item-quote-text {
+  font-size: var(--su-font-size-md);
+  line-height: 1.7;
+  color: var(--su-text-sub);
 }
 
 .item-actions {
-  margin-top: var(--su-space-4);
+  display: flex;
+  align-items: center;
+  gap: var(--su-space-2);
+  width: 100%;
+  margin-top: 18px;
+}
+
+/* 统计小药丸：浏览 / 点赞的底 */
+.item-stat {
+  min-width: 56px;
+  height: 36px;
+  padding: 0 var(--su-space-3);
+  border-radius: var(--su-radius-cover);
+  background-color: var(--su-bg-page);
+}
+
+/* 跳转按钮占满剩余宽度 */
+.item-jump {
+  display: inline-flex;
+  flex: 1;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  height: 36px;
+  border-radius: var(--su-radius-cover);
+  background-color: var(--su-color-primary);
+  color: var(--su-white);
+  font-size: var(--su-font-size-md);
+  transition: opacity var(--su-duration-fast) var(--su-ease-in-out);
+}
+
+.item-jump:hover:not(:disabled) {
+  opacity: 0.8;
+}
+
+.item-jump:disabled {
+  cursor: not-allowed;
+  opacity: 0.5;
 }
 
 .item-banner {
@@ -292,16 +364,28 @@
   gap: var(--su-space-2);
 }
 
-.article-body {
-  display: flex;
-  flex-direction: column;
-  gap: var(--su-space-3);
+.article-heading {
+  max-width: 760px;
+  font-size: var(--su-font-size-xl);
+  font-weight: var(--su-font-weight-strong);
+  line-height: 1.4;
 }
 
 .article-meta-dot {
   color: var(--su-text-muted);
 }
 
+.article-body-card {
+  overflow: hidden;
+}
+
+.article-body {
+  display: flex;
+  flex-direction: column;
+  gap: var(--su-space-3);
+  padding: 32px 40px 40px;
+}
+
 .article-lead {
   margin-bottom: var(--su-space-2);
 }
@@ -314,12 +398,27 @@
 
 /* ---------- 推荐阅读 ---------- */
 
-.related-item {
+.related-grid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 14px 24px;
+  margin-top: var(--su-space-4);
+}
+
+.related-title {
   display: flex;
   align-items: center;
   gap: var(--su-space-2);
-  padding: var(--su-space-2);
-  border-radius: var(--su-radius-sm);
+  margin-bottom: var(--su-space-4);
+}
+
+.related-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  width: 100%;
+  padding: 4px;
+  border-radius: var(--su-radius-cover);
   text-align: left;
   transition: background-color var(--su-duration-fast) var(--su-ease-in-out);
 }
@@ -340,6 +439,7 @@
   gap: var(--su-space-1);
   height: 32px;
   padding: 0 var(--su-space-3);
+  border: 1px solid var(--su-border);
   border-radius: var(--su-radius-sm);
   font-size: var(--su-font-size-sm);
   color: var(--su-text-sub);
@@ -364,11 +464,10 @@
 
 @media (max-width: 1100px) {
   .sidebar {
-    position: static;
     display: grid;
     grid-template-columns: repeat(2, minmax(0, 1fr));
     gap: var(--su-space-3);
-    padding: var(--su-space-4);
+    padding: 0 var(--su-space-4) var(--su-space-4);
   }
 
   .profile-card {
@@ -382,6 +481,17 @@
   .header-info {
     display: none;
   }
+
+  .search-row {
+    position: static;
+    width: 100%;
+    height: 36px;
+    transform: none;
+  }
+
+  .content {
+    padding-top: var(--su-space-4);
+  }
 }
 
 @media (max-width: 820px) {
@@ -389,17 +499,12 @@
     display: none;
   }
 
-  .search-row {
-    top: 60px;
-  }
-
   .site-header-inner {
-    height: 60px;
+    height: 56px;
   }
 }
 
 @media (prefers-reduced-motion: reduce) {
-  .cover,
   .app-card,
   .related-item,
   .link-button {
diff --git a/stash-web/src/App.tsx b/stash-web/src/App.tsx
index b9edf9b..a35899e 100644
--- a/stash-web/src/App.tsx
+++ b/stash-web/src/App.tsx
@@ -241,7 +241,16 @@ export default function App() {
       <Layout
         contained
         maxWidth={1380}
-        siderWidth={260}
+        gutter={20}
+        siderWidth={240}
+        gap={20}
+        headerHeight={60}
+        headerVariant="solid"
+        siderBordered={false}
+        contentPadding="none"
+        height="screen"
+        scrollable
+        contentId="content-scroll"
         className="app"
         header={
           <SiteHeader
diff --git a/stash-web/src/components/common/BackToTop.tsx b/stash-web/src/components/common/BackToTop.tsx
index aef9b79..ad66211 100644
--- a/stash-web/src/components/common/BackToTop.tsx
+++ b/stash-web/src/components/common/BackToTop.tsx
@@ -1,8 +1,7 @@
 import { ScrollTop } from '@stash/ui'
 
 /**
- * 回到顶部：直接用组件库的 ScrollTop。
- * 页面整体滚动（没有内部滚动容器），所以不传 targetId。
+ * 回到顶部：直接用组件库的 ScrollTop，滚动容器是应用的内容区。
  */
 type BackToTopProps = {
   /** 页面是否已滚动（由 App 传入） */
@@ -10,5 +9,5 @@ type BackToTopProps = {
 }
 
 export function BackToTop({ visible }: BackToTopProps) {
-  return <ScrollTop visible={visible} />
+  return <ScrollTop visible={visible} targetId="content-scroll" />
 }
diff --git a/stash-web/src/components/content/AppGrid.tsx b/stash-web/src/components/content/AppGrid.tsx
index 76cd1f5..1154ade 100644
--- a/stash-web/src/components/content/AppGrid.tsx
+++ b/stash-web/src/components/content/AppGrid.tsx
@@ -2,7 +2,7 @@ import { Grid } from '@stash/ui'
 import type { AppItem } from '../../data/types'
 import { AppCard } from './AppCard'
 
-/** 应用网格：默认 4 列，平板 2 列，手机 2 列（组件库 Grid 负责断点） */
+/** 应用网格：桌面 4 列，平板 / 手机 2 列（断点由组件库 Grid 负责） */
 type AppGridProps = {
   items: AppItem[]
   /** 明细页使用更宽松的间距 */
@@ -13,7 +13,12 @@ type AppGridProps = {
 
 export function AppGrid({ items, variant = 'home', onOpen }: AppGridProps) {
   return (
-    <Grid columns={4} tabletColumns={2} mobileColumns={2} gap={variant === 'detail' ? 'md' : 'sm'}>
+    <Grid
+      columns={4}
+      tabletColumns={2}
+      mobileColumns={2}
+      gap={variant === 'detail' ? 'lg' : 'md'}
+    >
       {items.map((item) => (
         <AppCard key={item.id} item={item} onOpen={onOpen} />
       ))}
diff --git a/stash-web/src/components/content/ArticleBody.tsx b/stash-web/src/components/content/ArticleBody.tsx
index c0a3565..9d2388a 100644
--- a/stash-web/src/components/content/ArticleBody.tsx
+++ b/stash-web/src/components/content/ArticleBody.tsx
@@ -123,7 +123,7 @@ export function ArticleBody({ markdown }: ArticleBodyProps) {
         }
 
         return (
-          <Paragraph tone="main" key={index}>
+          <Paragraph tone="sub" size="md" leading="relaxed" key={index}>
             {renderInline(block.text)}
           </Paragraph>
         )
diff --git a/stash-web/src/components/content/ArticleCard.tsx b/stash-web/src/components/content/ArticleCard.tsx
index 90d71e3..f96f8eb 100644
--- a/stash-web/src/components/content/ArticleCard.tsx
+++ b/stash-web/src/components/content/ArticleCard.tsx
@@ -1,3 +1,4 @@
+import { Cover } from '@stash/ui'
 import type { ArticleItem } from '../../data/types'
 
 /**
@@ -10,20 +11,13 @@ type ArticleCardProps = {
 }
 
 export function ArticleCard({ item, onOpen }: ArticleCardProps) {
-  const content = (
-    <>
-      <img className="cover cover--article" src={item.cover} alt={item.title} loading="lazy" />
-      <span className="cover-caption">{item.title}</span>
-    </>
-  )
-
-  if (onOpen === undefined) {
-    return <figure className="cover-card">{content}</figure>
-  }
-
   return (
-    <button type="button" className="cover-card" title={item.title} onClick={() => onOpen(item.id)}>
-      {content}
-    </button>
+    <Cover
+      src={item.cover}
+      alt={item.title}
+      caption={item.title}
+      ratio="article"
+      onClick={onOpen === undefined ? undefined : () => onOpen(item.id)}
+    />
   )
 }
diff --git a/stash-web/src/components/content/ArticleDetailView.tsx b/stash-web/src/components/content/ArticleDetailView.tsx
index 5867f30..8d998cc 100644
--- a/stash-web/src/components/content/ArticleDetailView.tsx
+++ b/stash-web/src/components/content/ArticleDetailView.tsx
@@ -1,4 +1,4 @@
-import { Button, Card, Paragraph, Space, Text, Title } from '@stash/ui'
+import { Card, Paragraph, Space, Text, Title } from '@stash/ui'
 import type { ArticleItem } from '../../data/types'
 import { ArticleBody } from './ArticleBody'
 
@@ -20,23 +20,23 @@ export function ArticleDetailView({ article, categoryTitle, onBack }: ArticleDet
 
   return (
     <div className="detail-view article-view">
-      <Card padding="sm">
+      <Card padding="none" className="detail-nav">
         <Space justify="between" wrap>
-          <Button variant="ghost" size="sm" onClick={onBack}>
+          <button type="button" className="detail-back" onClick={onBack}>
             返回
-          </Button>
-          <Text size="sm" tone="sub">
+          </button>
+          <Text size="xs" tone="muted">
             {categoryTitle} / 文章
           </Text>
         </Space>
       </Card>
 
       <header className="article-head">
-        <Title level={2}>
+        <Title level={1} as="h2" className="article-heading">
           {article.title}
-          <Button variant="ghost" size="sm" disabled className="item-edit">
-            编辑
-          </Button>
+          <button type="button" className="item-edit" disabled title="编辑功能待接入">
+            [编辑]
+          </button>
         </Title>
 
         <Space gap="sm" wrap>
@@ -55,9 +55,9 @@ export function ArticleDetailView({ article, categoryTitle, onBack }: ArticleDet
         </Space>
       </header>
 
-      <Card padding="lg">
+      <Card padding="none" className="article-body-card">
         <div className="article-body">
-          <Paragraph tone="main" className="article-lead">
+          <Paragraph tone="main" size="md" leading="relaxed" className="article-lead">
             {article.desc}
           </Paragraph>
           <ArticleBody markdown={article.body} />
diff --git a/stash-web/src/components/content/ArticleGrid.tsx b/stash-web/src/components/content/ArticleGrid.tsx
index ee40345..59e7d75 100644
--- a/stash-web/src/components/content/ArticleGrid.tsx
+++ b/stash-web/src/components/content/ArticleGrid.tsx
@@ -11,7 +11,7 @@ type ArticleGridProps = {
 
 export function ArticleGrid({ items, onOpen }: ArticleGridProps) {
   return (
-    <Grid columns={4} tabletColumns={2} mobileColumns={1} gap="sm">
+    <Grid columns={4} tabletColumns={2} mobileColumns={1} gap="md">
       {items.map((item) => (
         <ArticleCard key={item.id} item={item} onOpen={onOpen} />
       ))}
diff --git a/stash-web/src/components/content/CesCard.tsx b/stash-web/src/components/content/CesCard.tsx
index 635a9b9..2d46829 100644
--- a/stash-web/src/components/content/CesCard.tsx
+++ b/stash-web/src/components/content/CesCard.tsx
@@ -1,4 +1,4 @@
-import { Card, Space, Text } from '@stash/ui'
+import { Card, Cover, Space, Text } from '@stash/ui'
 import type { ArticleItem } from '../../data/types'
 
 /**
@@ -24,7 +24,14 @@ export function CesCard({ item, onOpen }: CesCardProps) {
 
   return (
     <Card padding="none" hoverable className="ces-card">
-      <img className="cover cover--article" src={item.cover} alt={item.title} loading="lazy" />
+      <Cover
+        src={item.cover}
+        alt={item.title}
+        ratio="article"
+        radius="none"
+        hoverZoom
+        onClick={onOpen === undefined ? undefined : () => onOpen(item.id)}
+      />
       {onOpen === undefined ? (
         <div className="ces-body">{body}</div>
       ) : (
diff --git a/stash-web/src/components/content/CesCardGrid.tsx b/stash-web/src/components/content/CesCardGrid.tsx
index 7fa649f..d7f4234 100644
--- a/stash-web/src/components/content/CesCardGrid.tsx
+++ b/stash-web/src/components/content/CesCardGrid.tsx
@@ -11,7 +11,7 @@ type CesCardGridProps = {
 
 export function CesCardGrid({ items, onOpen }: CesCardGridProps) {
   return (
-    <Grid columns={4} tabletColumns={2} mobileColumns={1} gap="sm">
+    <Grid columns={4} tabletColumns={2} mobileColumns={1} gap="lg">
       {items.map((item) => (
         <CesCard key={item.id} item={item} onOpen={onOpen} />
       ))}
diff --git a/stash-web/src/components/content/DetailView.tsx b/stash-web/src/components/content/DetailView.tsx
index 15749f3..d1dfb41 100644
--- a/stash-web/src/components/content/DetailView.tsx
+++ b/stash-web/src/components/content/DetailView.tsx
@@ -1,4 +1,4 @@
-import { Badge, Breadcrumb, Button, Card, Empty, Space, Title } from '@stash/ui'
+import { Badge, Breadcrumb, Card, Empty, Space, Title } from '@stash/ui'
 import { categoryCount, type Category } from '../../data/types'
 import { AppGrid } from './AppGrid'
 import { CesCardGrid } from './CesCardGrid'
@@ -70,11 +70,11 @@ export function DetailView({ category, groupId, onBack, onOpenItem }: DetailView
 
   return (
     <div className="detail-view">
-      <Card padding="sm">
+      <Card padding="none" className="detail-nav">
         <Space justify="between" wrap>
-          <Button variant="ghost" size="sm" onClick={onBack}>
+          <button type="button" className="detail-back" onClick={onBack}>
             返回首页
-          </Button>
+          </button>
           <Breadcrumb items={crumbs} />
         </Space>
       </Card>
diff --git a/stash-web/src/components/content/ItemDetailView.tsx b/stash-web/src/components/content/ItemDetailView.tsx
index fc76bc8..d8c9e78 100644
--- a/stash-web/src/components/content/ItemDetailView.tsx
+++ b/stash-web/src/components/content/ItemDetailView.tsx
@@ -1,4 +1,4 @@
-import { Button, Card, Icon, IconButton, Paragraph, Space, Tag, Text, Title } from '@stash/ui'
+import { Card, Icon, IconButton, Paragraph, Space, Tag, Text, Title } from '@stash/ui'
 import type { ItemDetailModel } from '../../data/detail'
 import type { RelatedItem } from '../../data/types'
 import { RelatedList } from './RelatedList'
@@ -27,23 +27,25 @@ export function ItemDetailView({
 }: ItemDetailViewProps) {
   return (
     <div className="detail-view item-view">
-      <Card padding="sm">
+      <Card padding="none" className="detail-nav">
         <Space justify="between" wrap>
-          <Button variant="ghost" size="sm" onClick={onBack}>
+          <button type="button" className="detail-back" onClick={onBack}>
             返回
-          </Button>
-          <Text size="sm" tone="sub">
-            {breadcrumb}
-          </Text>
+          </button>
+          <span className="detail-breadcrumb">
+            <Text size="xs" tone="muted">
+              {breadcrumb}
+            </Text>
+          </span>
         </Space>
       </Card>
 
-      <Card padding="lg">
-        <Title level={2}>
+      <Card padding="none" className="item-card">
+        <Title level={2} className="item-title">
           {model.title}
-          <Button variant="ghost" size="sm" disabled className="item-edit">
-            编辑
-          </Button>
+          <button type="button" className="item-edit" disabled title="编辑功能待接入">
+            [编辑]
+          </button>
         </Title>
 
         <div className={`item-cover item-cover--${model.shape}`}>
@@ -57,7 +59,7 @@ export function ItemDetailView({
         {model.tags.length > 0 && (
           <Space gap="sm" wrap>
             {model.tags.map((tag) => (
-              <Tag key={tag} shape="rounded">
+              <Tag key={tag} tone="primary">
                 {tag}
               </Tag>
             ))}
@@ -65,9 +67,12 @@ export function ItemDetailView({
         )}
 
         {model.comment !== undefined && (
-          <Paragraph tone="secondary" className="item-quote">
-            {model.comment}
-          </Paragraph>
+          <p className="item-quote">
+            <span className="item-quote-mark" aria-hidden="true">
+              “
+            </span>
+            <span className="item-quote-text">{model.comment}</span>
+          </p>
         )}
 
         {model.paragraphs.map((paragraph, index) => (
@@ -76,36 +81,36 @@ export function ItemDetailView({
           </Paragraph>
         ))}
 
-        <Space justify="between" wrap className="item-actions">
-          <Space gap="lg">
+        <div className="item-actions">
+          <Space gap="sm">
             <Space gap="xs" className="item-stat">
               <Icon name="eye_line" />
-              <Text size="sm" tone="sub">
+              <Text size="xs" tone="sub">
                 {model.views}
               </Text>
             </Space>
             <Space gap="xs" className="item-stat">
               <Icon name="thumb_up_2_line" />
-              <Text size="sm" tone="sub">
+              <Text size="xs" tone="sub">
                 {model.likes}
               </Text>
             </Space>
-            <IconButton label="分享（待接入）" size="xs" icon={<Icon name="share_3_line" />} />
+            <IconButton label="分享（待接入）" size="sm" icon={<Icon name="share_3_line" />} />
           </Space>
 
           {/* 占位数据没有真实地址时，按钮置灰而不是打开空白页 */}
           {model.href === '#' ? (
-            <Button size="sm" disabled>
+            <button type="button" className="item-jump" disabled title="暂无跳转地址">
               跳转到
               <Icon name="a-external_link_line1" />
-            </Button>
+            </button>
           ) : (
-            <a className="link-button" href={model.href} target="_blank" rel="noreferrer">
+            <a className="item-jump" href={model.href} target="_blank" rel="noreferrer">
               跳转到
               <Icon name="a-external_link_line1" />
             </a>
           )}
-        </Space>
+        </div>
 
         {model.banner !== undefined && (
           <img className="item-banner" src={model.banner} alt="" loading="lazy" />
diff --git a/stash-web/src/components/content/PosterCard.tsx b/stash-web/src/components/content/PosterCard.tsx
index fc1d713..bc7823a 100644
--- a/stash-web/src/components/content/PosterCard.tsx
+++ b/stash-web/src/components/content/PosterCard.tsx
@@ -1,3 +1,4 @@
+import { Cover } from '@stash/ui'
 import type { PosterItem } from '../../data/types'
 
 /**
@@ -10,20 +11,13 @@ type PosterCardProps = {
 }
 
 export function PosterCard({ item, onOpen }: PosterCardProps) {
-  const content = (
-    <>
-      <img className="cover cover--poster" src={item.cover} alt={item.title} loading="lazy" />
-      <span className="cover-caption">{item.title}</span>
-    </>
-  )
-
-  if (onOpen === undefined) {
-    return <figure className="cover-card">{content}</figure>
-  }
-
   return (
-    <button type="button" className="cover-card" title={item.title} onClick={() => onOpen(item.id)}>
-      {content}
-    </button>
+    <Cover
+      src={item.cover}
+      alt={item.title}
+      caption={item.title}
+      ratio="poster"
+      onClick={onOpen === undefined ? undefined : () => onOpen(item.id)}
+    />
   )
 }
diff --git a/stash-web/src/components/content/PosterGrid.tsx b/stash-web/src/components/content/PosterGrid.tsx
index 82ea9b6..1a5e26e 100644
--- a/stash-web/src/components/content/PosterGrid.tsx
+++ b/stash-web/src/components/content/PosterGrid.tsx
@@ -12,7 +12,7 @@ type PosterGridProps = {
 
 export function PosterGrid({ items, onOpen }: PosterGridProps) {
   return (
-    <Grid columns={6} tabletColumns={4} mobileColumns={3} gap="sm">
+    <Grid columns={6} tabletColumns={4} mobileColumns={3} gap="md">
       {items.map((item) => (
         <PosterCard key={item.id} item={item} onOpen={onOpen} />
       ))}
diff --git a/stash-web/src/components/content/RelatedList.tsx b/stash-web/src/components/content/RelatedList.tsx
index 5c0d841..9c3cc04 100644
--- a/stash-web/src/components/content/RelatedList.tsx
+++ b/stash-web/src/components/content/RelatedList.tsx
@@ -14,12 +14,13 @@ export function RelatedList({ items, onOpen }: RelatedListProps) {
   if (items.length === 0) return null
 
   return (
-    <Card padding="lg" className="related-card">
-      <Title level={4} as="h3">
+    <Card padding="md" className="related-card">
+      <Title level={3} as="h3" className="related-title">
+        <span aria-hidden="true">📚</span>
         推荐阅读
       </Title>
 
-      <Grid columns={2} tabletColumns={2} mobileColumns={1} gap="sm">
+      <Grid className="related-grid" columns={2} tabletColumns={2} mobileColumns={1} gap="sm">
         {items.map((item) => (
           <button
             key={item.id}
@@ -27,7 +28,12 @@ export function RelatedList({ items, onOpen }: RelatedListProps) {
             className="related-item"
             onClick={() => onOpen(item.id)}
           >
-            <Avatar size="sm" shape="square" src={item.cover} fallback={item.icon ?? '•'} />
+            <Avatar
+              size="md"
+              tone="primary"
+              src={item.cover}
+              fallback={item.icon ?? '•'}
+            />
             <Space direction="column" gap="xs" align="start" className="related-info">
               <Text size="sm" strong truncate>
                 {item.name}
diff --git a/stash-web/src/components/content/SectionCard.tsx b/stash-web/src/components/content/SectionCard.tsx
index cb088ba..4f464f6 100644
--- a/stash-web/src/components/content/SectionCard.tsx
+++ b/stash-web/src/components/content/SectionCard.tsx
@@ -17,7 +17,7 @@ type SectionCardProps = {
 
 export function SectionCard({ title, count, barColor, onMore, children }: SectionCardProps) {
   return (
-    <Card padding="lg" className="section-card">
+    <Card padding="md" className="section-card">
       <div className="section-header">
         <Space gap="sm">
           <span className="section-bar" style={{ backgroundColor: barColor }} aria-hidden="true" />
diff --git a/stash-web/src/components/search/SearchBar.tsx b/stash-web/src/components/search/SearchBar.tsx
index 545c02b..85a41a7 100644
--- a/stash-web/src/components/search/SearchBar.tsx
+++ b/stash-web/src/components/search/SearchBar.tsx
@@ -35,7 +35,6 @@ export function SearchBar({ value, onChange, inputRef }: SearchBarProps) {
         aria-label="搜索本地项目"
         clearable
         onClear={() => onChange('')}
-        shortcut="Ctrl K"
         spellCheck={false}
         onChange={(event) => onChange(event.target.value)}
         onKeyDown={(event) => {
diff --git a/stash-web/src/components/sidebar/CategoryNav.tsx b/stash-web/src/components/sidebar/CategoryNav.tsx
index fdf41c9..7f4c34a 100644
--- a/stash-web/src/components/sidebar/CategoryNav.tsx
+++ b/stash-web/src/components/sidebar/CategoryNav.tsx
@@ -65,7 +65,7 @@ export function CategoryNav({
   }
 
   return (
-    <Card padding="sm" className="nav-card">
+    <Card padding="none" className="nav-card">
       <Menu items={items} activeKey={activeKey} onSelect={handleSelect} />
     </Card>
   )
diff --git a/stash-web/src/components/sidebar/ProfileCard.tsx b/stash-web/src/components/sidebar/ProfileCard.tsx
index 3d8ea76..cc4cc14 100644
--- a/stash-web/src/components/sidebar/ProfileCard.tsx
+++ b/stash-web/src/components/sidebar/ProfileCard.tsx
@@ -10,8 +10,8 @@ export function ProfileCard() {
 
   return (
     <Card padding="lg" className="profile-card">
-      <Avatar size="lg" fallback="S" verified />
-      <Title level={4}>{name}</Title>
+      <Avatar size="xl" tone="primary" fallback="S" verified />
+      <Title level={3}>{name}</Title>
       {!name.includes(role) && <Tag shape="rounded">{role}</Tag>}
       <Paragraph>{bio}</Paragraph>
       <Text size="xs" tone="muted">
diff --git a/stash-web/src/components/sidebar/ServicePanel.tsx b/stash-web/src/components/sidebar/ServicePanel.tsx
index 0258c16..4e53eeb 100644
--- a/stash-web/src/components/sidebar/ServicePanel.tsx
+++ b/stash-web/src/components/sidebar/ServicePanel.tsx
@@ -16,7 +16,7 @@ export function ServicePanel({ projects, live, refreshing, onRefresh }: ServiceP
   const host = typeof window === 'undefined' ? '-' : window.location.host
 
   return (
-    <Card padding="md" className="service-panel">
+    <Card padding="none" className="service-panel">
       <Space justify="between">
         <Title level={4} as="h2">
           本地服务
@@ -48,7 +48,7 @@ export function ServicePanel({ projects, live, refreshing, onRefresh }: ServiceP
       <Space gap="sm" wrap>
         <Button
           size="sm"
-          variant="ghost"
+          variant="secondary"
           loading={refreshing}
           icon={<Icon name="refresh_3_line" />}
           onClick={onRefresh}