diff --git a/frontend/src/components/AppLayout.vue b/frontend/src/components/AppLayout.vue
index 137342c..f8a38a5 100644
--- a/frontend/src/components/AppLayout.vue
+++ b/frontend/src/components/AppLayout.vue
@@ -1,13 +1,12 @@
 <script setup lang="ts">
-import { computed, h, ref } from 'vue'
+import { computed, h, ref, onMounted, onBeforeUnmount } from 'vue'
 import { useRoute, useRouter, RouterView, RouterLink } from 'vue-router'
 import {
   NLayout, NLayoutHeader, NLayoutContent, NLayoutSider,
-  NMenu, NIcon, NSpace, NButton, NText, NTag, NAvatar, NDropdown, useMessage,
+  NMenu, NIcon, NSpace, NButton, NText, NTag, NAvatar, NDropdown, NDrawer, NDrawerContent, useMessage,
 } from 'naive-ui'
 import { useAuthStore } from '@/stores/auth'
 import { meApi } from '@/api/articles'
-import { onMounted } from 'vue'
 
 const auth = useAuthStore()
 const route = useRoute()
@@ -15,6 +14,22 @@ const router = useRouter()
 const message = useMessage()
 
 const usage = ref<any>(null)
+const isMobile = ref(false)
+const drawerOpen = ref(false)
+
+// 监听屏幕宽度,断点 768px
+function syncBreakpoint() {
+  isMobile.value = window.innerWidth <= 768
+}
+
+onMounted(async () => {
+  syncBreakpoint()
+  window.addEventListener('resize', syncBreakpoint)
+  try { usage.value = await meApi.usage() } catch { /* noop */ }
+})
+onBeforeUnmount(() => {
+  window.removeEventListener('resize', syncBreakpoint)
+})
 
 const menu = computed(() => [
   { key: '/', label: '24h 列表', icon: () => '📰' },
@@ -30,11 +45,6 @@ const userMenu = computed(() => [
   { key: 'logout', label: '退出登录' },
 ])
 
-async function fetchUsage() {
-  try { usage.value = await meApi.usage() } catch { /* noop */ }
-}
-onMounted(fetchUsage)
-
 function onUserMenu(key: string) {
   if (key === 'logout') {
     auth.logout()
@@ -45,30 +55,52 @@ function onUserMenu(key: string) {
 
 function onMenu(key: string) {
   router.push(key)
+  // 手机端:点完菜单自动关闭抽屉
+  if (isMobile.value) drawerOpen.value = false
 }
 </script>
 
 <template>
   <NLayout style="min-height: 100vh">
     <NLayoutHeader bordered style="padding: 12px 24px">
-      <NSpace align="center" justify="space-between">
-        <NSpace align="center">
+      <NSpace align="center" justify="space-between" :wrap="true" :size="[8, 8]">
+        <NSpace align="center" :size="8" :wrap="false">
+          <NButton
+            v-if="isMobile"
+            quaternary
+            circle
+            class="mobile-menu-btn"
+            aria-label="菜单"
+            @click="drawerOpen = true"
+          >
+            ☰
+          </NButton>
           <span style="font-size: 20px; font-weight: 700">📚 Diary News</span>
-          <NTag v-if="usage" size="small" :type="usage.pct_used > 80 ? 'warning' : 'default'">
+          <NTag v-if="usage && !isMobile" size="small" :type="usage.pct_used > 80 ? 'warning' : 'default'">
             翻译: {{ usage.used_chars.toLocaleString() }} / {{ usage.quota_chars.toLocaleString() }}
             ({{ usage.pct_used.toFixed(1) }}%)
           </NTag>
         </NSpace>
-        <NSpace>
-          <NText v-if="auth.user">{{ auth.user.username }} ({{ auth.user.role }})</NText>
+        <NSpace :size="8" :wrap="false">
+          <NText v-if="auth.user" style="font-size: 13px" class="mobile-hide">
+            {{ auth.user.username }} ({{ auth.user.role }})
+          </NText>
           <NDropdown :options="userMenu" trigger="click" @select="onUserMenu">
             <NButton quaternary>账号 ▾</NButton>
           </NDropdown>
         </NSpace>
       </NSpace>
+      <!-- 手机端:配额 tag 放到第二行,避免挤掉菜单按钮 -->
+      <div v-if="usage && isMobile" style="margin-top: 6px">
+        <NTag size="small" :type="usage.pct_used > 80 ? 'warning' : 'default'">
+          翻译: {{ usage.used_chars.toLocaleString() }} / {{ usage.quota_chars.toLocaleString() }}
+          ({{ usage.pct_used.toFixed(1) }}%)
+        </NTag>
+      </div>
     </NLayoutHeader>
 
-    <NLayout has-sider style="min-height: calc(100vh - 60px)">
+    <!-- 桌面:固定侧栏 -->
+    <NLayout v-if="!isMobile" has-sider style="min-height: calc(100vh - 60px)">
       <NLayoutSider bordered :width="220" :native-scrollbar="false">
         <NMenu
           :value="route.path"
@@ -81,5 +113,28 @@ function onMenu(key: string) {
         <RouterView />
       </NLayoutContent>
     </NLayout>
+
+    <!-- 手机:无侧栏,菜单用抽屉;内容全宽 -->
+    <NLayoutContent v-else style="padding: 0; width: 100%;">
+      <RouterView />
+    </NLayoutContent>
+
+    <!-- 手机端抽屉式侧栏 -->
+    <NDrawer v-if="isMobile" v-model:show="drawerOpen" :width="260" placement="left">
+      <NDrawerContent title="📚 Diary News" closable>
+        <NMenu
+          :value="route.path"
+          :options="menu"
+          @update:value="onMenu"
+        />
+      </NDrawerContent>
+    </NDrawer>
   </NLayout>
 </template>
+
+<style scoped>
+.mobile-menu-btn {
+  font-size: 20px;
+  padding: 0 8px;
+}
+</style>
diff --git a/frontend/src/style.css b/frontend/src/style.css
index e90dba6..3763d7f 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -68,6 +68,88 @@ h1 { font-size: 28px; font-weight: 700; line-height: 1.3; }
 h2 { font-size: 22px; font-weight: 700; line-height: 1.35; }
 h3 { font-size: 18px; font-weight: 700; line-height: 1.4; }
 
+/* ============================================================
+ * 手机端适配
+ *
+ * 触发断点:
+ * - 768px:pad / 小屏(侧栏改成抽屉)
+ * - 480px:手机竖屏(进一步压缩 padding / 字号)
+ *
+ * 改动:
+ * 1) 容器 padding 缩小,正文最大宽度限制放宽
+ * 2) 卡片内边距 / 标题字号 / 评论钩子字号按档位缩
+ * 3) 文章正文段间距、行高按手机阅读体验调
+ * 4) 标签 / Tag 不再强制 nowrap(允许换行,避免溢出)
+ * 5) 顶栏 NSpace 在小屏允许换行,过滤区也允许 wrap
+ * ============================================================ */
+@media (max-width: 768px) {
+  :root {
+    --max-width: 100%;
+  }
+
+  /* 顶栏/正文容器 padding 收紧 */
+  .n-layout-header,
+  .n-layout-header.n-layout-header--absolute-positioned {
+    padding: 10px 14px !important;
+  }
+  .n-layout-content {
+    padding: 14px !important;
+  }
+
+  /* 卡片 padding 缩 25% */
+  .n-card.article-card .n-card__content {
+    padding: 12px 14px !important;
+  }
+
+  /* 标题字号档位降 1 档 */
+  h1 { font-size: 22px; line-height: 1.35; }
+  h2 { font-size: 20px; line-height: 1.4; }
+  h3 { font-size: 17px; line-height: 1.45; }
+
+  /* 文章正文:行高微调(屏幕窄,行高再松一点) */
+  .article-body { font-size: 16px; line-height: 1.8; }
+  .diary-para { font-size: 16px; line-height: 1.8; }
+
+  /* 评论钩子字号微调 */
+  .commentary-box { font-size: 13px; padding: 10px 12px; }
+  .commentary-text { font-size: 13px; }
+
+  /* 详情页字段 */
+  .commentary-text-detail { font-size: 14.5px; line-height: 1.8; }
+  .article-body-fallback { font-size: 15px; line-height: 1.8; }
+
+  /* 顶栏字号 / 配额 tag */
+  .n-layout-header span[style*="font-size: 20px"] {
+    font-size: 17px !important;
+  }
+
+  /* 滚动条:手机端太窄,隐藏 */
+  ::-webkit-scrollbar { width: 0; height: 0; }
+}
+
+@media (max-width: 480px) {
+  .n-card.article-card .n-card__content {
+    padding: 10px 12px !important;
+  }
+  h1 { font-size: 20px; }
+  .article-body { font-size: 15.5px; }
+  .diary-para { font-size: 15.5px; }
+}
+
+/* 工具类:手机端隐藏侧栏相关装饰 */
+@media (max-width: 768px) {
+  .mobile-hide {
+    display: none !important;
+  }
+  .mobile-stack {
+    flex-direction: column !important;
+    align-items: stretch !important;
+  }
+  .mobile-full-width {
+    width: 100% !important;
+  }
+}
+
 /* ===== 文章卡片 ===== */
 .n-card.article-card {
   margin-bottom: 16px;
diff --git a/frontend/src/views/ArticleDetail.vue b/frontend/src/views/ArticleDetail.vue
index e91937d..9336800 100644
--- a/frontend/src/views/ArticleDetail.vue
+++ b/frontend/src/views/ArticleDetail.vue
@@ -114,7 +114,7 @@ onMounted(load)
         <NCard class="article-detail-card">
           <NSpace vertical :size="14">
             <!-- tag 行 -->
-            <NSpace align="center" :size="6" :wrap="false" style="overflow: hidden">
+            <NSpace align="center" :size="6" :wrap="true" style="row-gap: 6px">
               <NTag type="primary" :bordered="false" round>{{ article.source.name }}</NTag>
               <NTag v-if="article.lang_src" :bordered="false" round>{{ article.lang_src.toUpperCase() }}</NTag>
               <NTag v-if="article.translation_status !== 'ok'" size="small" type="warning" :bordered="false" round>
@@ -126,7 +126,7 @@ onMounted(load)
               <NTag v-for="c in categories" :key="c" type="success" size="small" :bordered="false" round>
                 {{ c }}
               </NTag>
-              <NText :depth="3" style="font-size: 12px; margin-left: auto">
+              <NText :depth="3" style="font-size: 12px; margin-left: auto" class="detail-time-label">
                 {{ fmtTime(publishedAt) }}
               </NText>
             </NSpace>
@@ -148,7 +148,7 @@ onMounted(load)
             </div>
 
             <!-- 操作按钮行 -->
-            <NSpace :size="8" :wrap="false">
+            <NSpace :size="8" :wrap="true" style="row-gap: 8px">
               <NButton
                 :type="starred ? 'warning' : 'primary'"
                 :ghost="!starred"
@@ -304,4 +304,16 @@ onMounted(load)
   border-radius: 8px;
   background: var(--color-surface-variant);
 }
+
+@media (max-width: 768px) {
+  .detail-time-label {
+    margin-left: 0 !important;
+    width: 100%;
+    text-align: right;
+  }
+  /* 详情页头部操作按钮在手机上等宽更整齐 */
+  :deep(.n-card .n-space) {
+    flex-wrap: wrap;
+  }
+}
 </style>
\ No newline at end of file
diff --git a/frontend/src/views/Feed.vue b/frontend/src/views/Feed.vue
index dd9cb35..5dc8f05 100644
--- a/frontend/src/views/Feed.vue
+++ b/frontend/src/views/Feed.vue
@@ -116,22 +116,22 @@ onMounted(async () => {
 
 <template>
   <NSpace vertical :size="16">
-    <NSpace align="center" justify="space-between">
-      <NSpace :size="10">
+    <NSpace align="center" justify="space-between" :wrap="true" :size="[10, 10]" class="feed-toolbar">
+      <NSpace :size="10" :wrap="true" class="feed-toolbar-left">
         <NSelect
           v-model:value="sourceFilter"
           multiple
           clearable
           placeholder="按源筛选"
           :options="sourceOptions"
-          style="min-width: 240px"
+          class="feed-source-select"
           @update:value="resetToFirstPage"
         />
-        <NInput v-model:value="q" placeholder="关键词搜索" clearable style="width: 220px"
+        <NInput v-model:value="q" placeholder="关键词搜索" clearable class="feed-search-input"
                 @keyup.enter="resetToFirstPage" @clear="resetToFirstPage" />
-        <NButton type="primary" @click="resetToFirstPage">刷新</NButton>
+        <NButton type="primary" @click="resetToFirstPage" round>刷新</NButton>
       </NSpace>
-      <NText :depth="3" style="font-size: 13px">{{ itemsLabel }}</NText>
+      <NText :depth="3" style="font-size: 13px" class="feed-count-label">{{ itemsLabel }}</NText>
     </NSpace>
 
     <NSpin :show="loading && items.length === 0">
@@ -147,7 +147,7 @@ onMounted(async () => {
         >
           <NSpace vertical :size="10">
             <!-- 顶行:源 / 语言 / 分类 tag / 时间 -->
-            <NSpace align="center" :size="6" :wrap="false" style="overflow: hidden">
+            <NSpace align="center" :size="6" :wrap="true" style="row-gap: 6px">
               <NTag size="small" type="primary" :bordered="false" round>
                 {{ a.source.name }}
               </NTag>
@@ -167,7 +167,7 @@ onMounted(async () => {
               >
                 {{ c }}
               </NTag>
-              <NText :depth="3" style="font-size: 12px; margin-left: auto">
+              <NText :depth="3" style="font-size: 12px; margin-left: auto" class="feed-time-label">
                 {{ fmtTime(a.published_at || a.fetched_at) }}
               </NText>
             </NSpace>
@@ -282,4 +282,39 @@ onMounted(async () => {
   font-size: 13px;
   line-height: 1.7;
 }
+
+/* ===== 桌面端默认宽度 ===== */
+.feed-source-select {
+  min-width: 240px;
+}
+.feed-search-input {
+  width: 220px;
+}
+
+/* ===== 移动端(<= 768px):过滤条全宽,允许换行 ===== */
+@media (max-width: 768px) {
+  .feed-source-select {
+    min-width: 0;
+    width: 100%;
+  }
+  .feed-search-input {
+    width: 100%;
+  }
+  .feed-toolbar-left > * {
+    width: 100%;
+  }
+  .feed-count-label {
+    display: block;
+    width: 100%;
+    margin-top: 4px;
+  }
+  .feed-toolbar {
+    align-items: stretch !important;
+  }
+  .feed-time-label {
+    margin-left: 0 !important;
+    width: 100%;
+    text-align: right;
+  }
+}
 </style>
\ No newline at end of file