diff --git a/frontend/src/components/AccountSecurityPanel.vue b/frontend/src/components/AccountSecurityPanel.vue
index 7fbbc49..6158190 100644
--- a/frontend/src/components/AccountSecurityPanel.vue
+++ b/frontend/src/components/AccountSecurityPanel.vue
@@ -139,7 +139,7 @@ async function handleSubmit() {
         />
       </NFormItem>
       <NFormItem :label="t('account.newPassword')">
-        <NSpace :size="8" style="width: 100%;">
+        <NSpace :size="8" :wrap="true" style="width: 100%;">
           <NInput
             v-model:value="form.newPassword"
             :type="revealed ? 'text' : 'password'"
diff --git a/frontend/src/components/AiConfigPanel.vue b/frontend/src/components/AiConfigPanel.vue
index cd6f564..3a628ac 100644
--- a/frontend/src/components/AiConfigPanel.vue
+++ b/frontend/src/components/AiConfigPanel.vue
@@ -11,10 +11,13 @@ import {
 } from '@vicons/ionicons5'
 import { getAiConfig, saveAiConfig, testAiConfig } from '../api/ai'
 import { refreshAiEnabled } from '../composables/useAiEnabled'
+import { useBreakpoints } from '../composables/useBreakpoints'
 
 const router = useRouter()
 const message = useMessage()
 const { t } = useI18n()
+// 小屏时标签置于顶部，避免左侧固定标签挤压输入框
+const { isMobile } = useBreakpoints()
 
 const saving = ref(false)
 const testing = ref(false)
@@ -117,7 +120,7 @@ onMounted(loadConfig)
       {{ t('ai.intro') }}
     </NAlert>
 
-    <NForm label-placement="left" label-width="130">
+    <NForm :label-placement="isMobile ? 'top' : 'left'" :label-width="isMobile ? undefined : 130">
       <NFormItem :label="t('ai.enabled')">
         <div class="switch-row">
           <NSwitch v-model:value="form.enabled" />
diff --git a/frontend/src/components/AiUsagePanel.vue b/frontend/src/components/AiUsagePanel.vue
index a234626..01d7d72 100644
--- a/frontend/src/components/AiUsagePanel.vue
+++ b/frontend/src/components/AiUsagePanel.vue
@@ -160,6 +160,7 @@ onMounted(loadUsage)
       :loading="usageLoading"
       size="small"
       :bordered="false"
+      :scroll-x="900"
       :striped="true"
       class="usage-table"
     >
diff --git a/frontend/src/components/BillPreviewPanel.vue b/frontend/src/components/BillPreviewPanel.vue
index ea2013a..6b345ef 100644
--- a/frontend/src/components/BillPreviewPanel.vue
+++ b/frontend/src/components/BillPreviewPanel.vue
@@ -392,6 +392,7 @@ onMounted(() => {
       :columns="columns"
       :data="filteredRows"
       :max-height="420"
+      :scroll-x="1020"
       :row-key="(row) => row.rowNo"
       size="small"
       :bordered="false"
diff --git a/frontend/src/components/DatabaseConfigPanel.vue b/frontend/src/components/DatabaseConfigPanel.vue
index f15f9fa..d5111a8 100644
--- a/frontend/src/components/DatabaseConfigPanel.vue
+++ b/frontend/src/components/DatabaseConfigPanel.vue
@@ -15,6 +15,7 @@ import { getDatabaseStatus } from '../api/database'
 import type { DatabaseConfigPayload, DatabaseType } from '../api/database'
 import { useDatabaseStore } from '../store/database'
 import { openSse } from '../utils/sse'
+import { useBreakpoints } from '../composables/useBreakpoints'
 
 const props = defineProps<{ setup?: boolean }>()
 
@@ -22,6 +23,8 @@ const router = useRouter()
 const message = useMessage()
 const { t } = useI18n()
 const databaseStore = useDatabaseStore()
+// 小屏时表单标签置顶，避免左侧固定标签挤压输入区
+const { isMobile } = useBreakpoints()
 
 const testing = ref(false)
 const saving = ref(false)
@@ -259,7 +262,7 @@ onBeforeUnmount(() => {
       </NDescriptionsItem>
     </NDescriptions>
 
-    <NForm label-placement="left" label-width="120">
+    <NForm :label-placement="isMobile ? 'top' : 'left'" :label-width="isMobile ? undefined : 120">
       <NFormItem :label="t('database.type')">
         <NRadioGroup v-model:value="form.type">
           <NRadioButton value="SQLITE">SQLite</NRadioButton>
diff --git a/frontend/src/components/EmojiPicker.vue b/frontend/src/components/EmojiPicker.vue
index 4ef18a5..ec88871 100644
--- a/frontend/src/components/EmojiPicker.vue
+++ b/frontend/src/components/EmojiPicker.vue
@@ -2,6 +2,11 @@
 // Emoji 选择器组件：提供常用 Emoji 分组快速点选与自定义文本输入，供分类图标等场景复用
 import { computed, ref, watch } from 'vue'
 import { NPopover, NInput, NButton, NScrollbar } from 'naive-ui'
+import { useBreakpoints } from '../composables/useBreakpoints'
+
+// 弹层宽度随视口收敛，避免小屏右侧溢出
+const { viewportWidth } = useBreakpoints()
+const popoverWidth = computed(() => Math.min(360, Math.max(240, viewportWidth.value - 24)))
 
 /** 组件属性 */
 const props = withDefaults(defineProps<{
@@ -68,7 +73,7 @@ function handleClear() {
 </script>
 
 <template>
-  <NPopover v-model:show="show" trigger="click" placement="bottom-start" :width="360">
+  <NPopover v-model:show="show" trigger="click" placement="bottom-start" :width="popoverWidth">
     <template #trigger>
       <div class="emoji-trigger" :class="{ 'is-empty': !props.modelValue }">
         <span class="emoji-current">{{ displayText }}</span>
@@ -175,6 +180,17 @@ function handleClear() {
   background: #e6f7ec;
 }
 
+/* 小屏减少列数并放大点击区域 */
+@media (max-width: 767px) {
+  .emoji-grid {
+    grid-template-columns: repeat(6, 1fr);
+  }
+  .emoji-item {
+    padding: 6px 0;
+    font-size: 22px;
+  }
+}
+
 .emoji-group-label {
   margin: 8px 0 4px;
   font-size: 12px;
diff --git a/frontend/src/components/FloatingPanel.vue b/frontend/src/components/FloatingPanel.vue
index d05ab29..f1fd2c9 100644
--- a/frontend/src/components/FloatingPanel.vue
+++ b/frontend/src/components/FloatingPanel.vue
@@ -45,10 +45,20 @@ const emit = defineEmits<{
 const MARGIN = 8
 const rect = ref<PanelRect>({ x: 0, y: 0, width: props.defaultWidth, height: props.defaultHeight })
 
-/** 计算居中显示的默认位置 */
+/** 视口内允许的最大宽度（扣除两侧边距） */
+function viewportMaxWidth(): number {
+  return Math.max(200, window.innerWidth - 2 * MARGIN)
+}
+
+/** 视口内允许的最大高度（扣除上下边距） */
+function viewportMaxHeight(): number {
+  return Math.max(160, window.innerHeight - 2 * MARGIN)
+}
+
+/** 计算居中显示的默认位置（小屏时自动收缩到视口内） */
 function defaultRect(): PanelRect {
-  const width = props.defaultWidth
-  const height = props.defaultHeight
+  const width = Math.min(props.defaultWidth, viewportMaxWidth())
+  const height = Math.min(props.defaultHeight, viewportMaxHeight())
   return {
     x: Math.max(MARGIN, (window.innerWidth - width) / 2),
     y: Math.max(MARGIN, (window.innerHeight - height) / 3),
@@ -57,8 +67,10 @@ function defaultRect(): PanelRect {
   }
 }
 
-/** 将浮窗限制在视口内 */
+/** 将浮窗限制在视口内：先按视口收缩宽高，再钳制位置，保证小屏不溢出 */
 function clampRect() {
+  rect.value.width = Math.min(rect.value.width, viewportMaxWidth())
+  rect.value.height = Math.min(rect.value.height, viewportMaxHeight())
   const maxX = Math.max(MARGIN, window.innerWidth - rect.value.width - MARGIN)
   const maxY = Math.max(MARGIN, window.innerHeight - rect.value.height - MARGIN)
   rect.value.x = Math.min(Math.max(MARGIN, rect.value.x), maxX)
@@ -150,13 +162,15 @@ function handleResizeStart(e: PointerEvent) {
   window.addEventListener('pointerup', handleResizeEnd)
 }
 
-/** 缩放移动：限制最小尺寸与视口边界 */
+/** 缩放移动：限制最小尺寸与视口边界（小屏时最小尺寸随视口下调） */
 function handleResizeMove(e: PointerEvent) {
   if (!resizing) return
-  const maxW = Math.max(props.minWidth, window.innerWidth - rect.value.x - MARGIN)
-  const maxH = Math.max(props.minHeight, window.innerHeight - rect.value.y - MARGIN)
-  rect.value.width = Math.min(Math.max(props.minWidth, resizeOriginW + (e.clientX - resizeStartX)), maxW)
-  rect.value.height = Math.min(Math.max(props.minHeight, resizeOriginH + (e.clientY - resizeStartY)), maxH)
+  const effMinW = Math.min(props.minWidth, viewportMaxWidth())
+  const effMinH = Math.min(props.minHeight, viewportMaxHeight())
+  const maxW = Math.max(effMinW, window.innerWidth - rect.value.x - MARGIN)
+  const maxH = Math.max(effMinH, window.innerHeight - rect.value.y - MARGIN)
+  rect.value.width = Math.min(Math.max(effMinW, resizeOriginW + (e.clientX - resizeStartX)), maxW)
+  rect.value.height = Math.min(Math.max(effMinH, resizeOriginH + (e.clientY - resizeStartY)), maxH)
 }
 
 /** 缩放结束并持久化 */
@@ -289,4 +303,15 @@ onBeforeUnmount(() => {
   touch-action: none;
   background: linear-gradient(135deg, transparent 50%, rgba(0, 0, 0, 0.18) 50%);
 }
+
+/* 小屏放大缩放手柄触控区域并收窄内边距 */
+@media (max-width: 767px) {
+  .floating-panel__resize {
+    width: 26px;
+    height: 26px;
+  }
+  .floating-panel__body {
+    padding: 12px;
+  }
+}
 </style>
diff --git a/frontend/src/components/NotificationConfigPanel.vue b/frontend/src/components/NotificationConfigPanel.vue
index 9f0d383..35995a7 100644
--- a/frontend/src/components/NotificationConfigPanel.vue
+++ b/frontend/src/components/NotificationConfigPanel.vue
@@ -16,10 +16,13 @@ import {
   getNotificationUrl, updateNotificationUrl,
 } from '../api/notification'
 import type { NotificationChannel, NotificationLog } from '../api/notification'
+import { useBreakpoints } from '../composables/useBreakpoints'
 
 const message = useMessage()
 const dialog = useDialog()
 const { t } = useI18n()
+// 小屏时表单标签置顶，避免左侧固定标签挤压输入区
+const { isMobile } = useBreakpoints()
 
 // 提醒周期表单
 const config = ref({ enabled: false, frequency: 'MONTHLY', dayOfMonth: 1, dayOfWeek: 1, sendTime: '09:00' })
@@ -305,7 +308,7 @@ onMounted(loadAll)
       {{ t('notification.intro') }}
     </NAlert>
 
-    <NForm label-placement="left" label-width="130">
+    <NForm :label-placement="isMobile ? 'top' : 'left'" :label-width="isMobile ? undefined : 130">
       <NFormItem :label="t('notification.linkUrl')">
         <NSpace align="center" :size="8" style="width: 100%;">
           <NInput
@@ -426,9 +429,9 @@ onMounted(loadAll)
       v-model:show="showChannelModal"
       preset="card"
       :title="editingId ? t('notification.editChannel') : t('notification.addChannel')"
-      style="width: 560px"
+      style="width: 560px; max-width: 92vw"
     >
-      <NForm label-placement="left" label-width="120">
+      <NForm :label-placement="isMobile ? 'top' : 'left'" :label-width="isMobile ? undefined : 120">
         <NFormItem :label="t('notification.channelType')">
           <NSelect v-model:value="channelForm.type" :options="channelTypeOptions" :disabled="!!editingId" />
         </NFormItem>
diff --git a/frontend/src/components/TransactionRelationEditorModal.vue b/frontend/src/components/TransactionRelationEditorModal.vue
index f80de81..d43d4f2 100644
--- a/frontend/src/components/TransactionRelationEditorModal.vue
+++ b/frontend/src/components/TransactionRelationEditorModal.vue
@@ -373,7 +373,7 @@ const pickerColumns = computed<DataTableColumns<RelationMemberDraft>>(() => [
               <div
                 v-for="member in editorMembers"
                 :key="member.transactionId"
-                style="display: flex; align-items: center; gap: 8px; font-size: 13px;"
+                style="display: flex; align-items: center; gap: 8px; font-size: 13px; flex-wrap: wrap;"
               >
                 <span style="min-width: 130px;">{{ formatTime(member.transactionTime) }}</span>
                 <span style="min-width: 100px;">{{ member.categoryName || t('transaction.uncategorized') }}</span>
@@ -428,6 +428,7 @@ const pickerColumns = computed<DataTableColumns<RelationMemberDraft>>(() => [
         :loading="pickerLoading"
         :row-key="(row: RelationMemberDraft) => row.transactionId"
         :max-height="420"
+        :scroll-x="620"
         size="small"
         :bordered="false"
       />
diff --git a/frontend/src/composables/useBreakpoints.ts b/frontend/src/composables/useBreakpoints.ts
new file mode 100644
index 0000000..bc8e365
--- /dev/null
+++ b/frontend/src/composables/useBreakpoints.ts
@@ -0,0 +1,61 @@
+// 响应式断点 composable：全局单例，供页面在手机/平板/桌面间切换布局
+import { ref } from 'vue'
+import type { Ref } from 'vue'
+
+/** 手机断点上限（视口宽度 < 768px 视为手机） */
+export const MOBILE_MAX_WIDTH = 767
+/** 平板断点区间 [768, 1023]，≥1024 视为桌面 */
+export const TABLET_MIN_WIDTH = 768
+/** 桌面断点下限 */
+export const DESKTOP_MIN_WIDTH = 1024
+
+/** 是否为手机（窄屏） */
+export const isMobile: Ref<boolean> = ref(false)
+/** 是否为平板 */
+export const isTablet: Ref<boolean> = ref(false)
+/** 是否为桌面（宽屏） */
+export const isDesktop: Ref<boolean> = ref(true)
+/** 当前视口宽度（像素） */
+export const viewportWidth: Ref<number> = ref(0)
+/** 是否为触屏 / 粗指针设备（用于交互降级，降低误触） */
+export const isTouch: Ref<boolean> = ref(false)
+
+// 仅注册一次媒体查询监听，避免多处调用重复绑定
+let initialized = false
+
+/** 依据当前视口宽度更新各断点状态 */
+function updateByWidth(width: number) {
+  viewportWidth.value = width
+  isMobile.value = width <= MOBILE_MAX_WIDTH
+  isTablet.value = width >= TABLET_MIN_WIDTH && width < DESKTOP_MIN_WIDTH
+  isDesktop.value = width >= DESKTOP_MIN_WIDTH
+}
+
+/** 更新是否触屏设备（粗指针或无 hover 能力） */
+function updateTouch() {
+  if (typeof window === 'undefined' || typeof window.matchMedia !== 'function') return
+  isTouch.value = window.matchMedia('(pointer: coarse)').matches
+    || window.matchMedia('(hover: none)').matches
+}
+
+/** 初始化断点监听（幂等），在浏览器环境首次调用时绑定 resize */
+export function initBreakpoints() {
+  if (initialized || typeof window === 'undefined') return
+  initialized = true
+  updateByWidth(window.innerWidth)
+  updateTouch()
+  window.addEventListener('resize', () => {
+    updateByWidth(window.innerWidth)
+    updateTouch()
+  }, { passive: true })
+}
+
+/**
+ * 获取当前断点状态。
+ *
+ * :returns: 包含手机/平板/桌面判断、视口宽度与触屏标识的响应式对象
+ */
+export function useBreakpoints() {
+  initBreakpoints()
+  return { isMobile, isTablet, isDesktop, viewportWidth, isTouch }
+}
diff --git a/frontend/src/locales/messages.ts b/frontend/src/locales/messages.ts
index a0583d7..56d2da8 100644
--- a/frontend/src/locales/messages.ts
+++ b/frontend/src/locales/messages.ts
@@ -98,6 +98,7 @@ export default {
     settings: { zh: '设置', en: 'Settings', ja: '設定' },
     user: { zh: '用户', en: 'User', ja: 'ユーザー' },
     logout: { zh: '退出', en: 'Sign Out', ja: 'ログアウト' },
+    menu: { zh: '菜单', en: 'Menu', ja: 'メニュー' },
   },
 
   // 数据库设置
@@ -409,6 +410,8 @@ export default {
     incomeChannelPie: { zh: '收入交易渠道占比', en: 'Income by Channel', ja: '収入の取引チャネル割合' },
     uncategorized: { zh: '未分类', en: 'Uncategorized', ja: '未分類' },
     viewTransactions: { zh: '查看收支记录', en: 'View Transactions', ja: '収支記録を表示' },
+    chartActionHint: { zh: '查看对应账单明细？', en: 'View matching records?', ja: '該当する明細を表示しますか？' },
+    chartActionView: { zh: '查看明细', en: 'View Details', ja: '明細を表示' },
   },
 
   // 收支记录
diff --git a/frontend/src/main.ts b/frontend/src/main.ts
index c0765a0..0b18567 100644
--- a/frontend/src/main.ts
+++ b/frontend/src/main.ts
@@ -4,6 +4,7 @@ import { createPinia } from 'pinia'
 import router from './router'
 import i18n from './locales'
 import App from './App.vue'
+import './style.css'
 
 // 创建 Vue 应用实例
 const app = createApp(App)
diff --git a/frontend/src/style.css b/frontend/src/style.css
index cca57b3..1530a44 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -3,3 +3,43 @@
   padding: 0;
   box-sizing: border-box;
 }
+
+html,
+body,
+#app {
+  height: 100%;
+}
+
+/* 移动端/小屏基础适配：统一弹层宽度兜底、防止页面级横向溢出 */
+@media (max-width: 767px) {
+  body {
+    overflow-x: hidden;
+  }
+
+  /* 弹窗（NModal preset card / dialog）宽度不超过视口，避免固定宽度溢出 */
+  .n-modal {
+    max-width: 92vw !important;
+  }
+
+  /* 下拉/浮层内容宽度不超过视口 */
+  .n-popover,
+  .n-dropdown-menu {
+    max-width: 92vw;
+  }
+}
+
+/* 手机/平板下分页允许换行，避免页大小选择、跳页输入被裁到视口外无法操作。
+   naive-ui 运行期注入的样式优先级更高，需 !important 覆盖。 */
+@media (max-width: 1023px) {
+  .n-pagination {
+    flex-wrap: wrap !important;
+    justify-content: center !important;
+    height: auto !important;
+    row-gap: 8px;
+  }
+
+  /* 表格内置分页容器同步居中 */
+  .n-data-table__pagination {
+    justify-content: center !important;
+  }
+}
diff --git a/frontend/src/views/CategoryManage.vue b/frontend/src/views/CategoryManage.vue
index cea34f8..911b8ed 100644
--- a/frontend/src/views/CategoryManage.vue
+++ b/frontend/src/views/CategoryManage.vue
@@ -309,6 +309,7 @@ onMounted(() => {
       :data="expenseList"
       :loading="loading"
       :bordered="false"
+      :scroll-x="520"
       :pagination="expensePagination"
       @update:page="handleExpensePageChange"
       @update:page-size="handleExpensePageSizeChange"
@@ -322,13 +323,14 @@ onMounted(() => {
       :data="incomeList"
       :loading="loading"
       :bordered="false"
+      :scroll-x="520"
       :pagination="incomePagination"
       @update:page="handleIncomePageChange"
       @update:page-size="handleIncomePageSizeChange"
     />
 
     <!-- 新增/编辑弹窗 -->
-    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('category.editTitle') : t('category.addTitle')" style="width: 450px;">
+    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('category.editTitle') : t('category.addTitle')" style="width: 450px; max-width: 92vw;">
       <NForm>
         <NFormItem v-if="aiEnabled" :label="t('ai.category.label')">
           <div style="display: flex; gap: 8px; width: 100%;">
diff --git a/frontend/src/views/ChannelManage.vue b/frontend/src/views/ChannelManage.vue
index ab7ee1c..0d1950a 100644
--- a/frontend/src/views/ChannelManage.vue
+++ b/frontend/src/views/ChannelManage.vue
@@ -186,13 +186,14 @@ onMounted(fetchData)
       :data="channels"
       :loading="loading"
       :bordered="false"
+      :scroll-x="520"
       :pagination="pagination"
       @update:page="handlePageChange"
       @update:page-size="handlePageSizeChange"
     />
 
     <!-- 新增/改名弹窗 -->
-    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('channel.editTitle') : t('channel.addTitle')" style="width: 450px;">
+    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('channel.editTitle') : t('channel.addTitle')" style="width: 450px; max-width: 92vw;">
       <NForm>
         <NFormItem :label="t('channel.name')">
           <NInput v-model:value="form.name" :placeholder="t('channel.namePlaceholder')" />
diff --git a/frontend/src/views/Dashboard.vue b/frontend/src/views/Dashboard.vue
index 28d6d91..e954595 100644
--- a/frontend/src/views/Dashboard.vue
+++ b/frontend/src/views/Dashboard.vue
@@ -17,6 +17,11 @@ import { readJson, writeJson } from '../utils/storage'
 import { STORAGE_KEYS } from '../utils/storageKeys'
 import { loadTransactionFilterPrefs, saveTransactionFilterPrefs } from '../utils/transactionFilterPrefs'
 import AiQueryWindow from '../components/AiQueryWindow.vue'
+import { useBreakpoints } from '../composables/useBreakpoints'
+
+// 小屏适配：图表高度随断点降低，避免在窄屏占用过多纵向空间
+const { isMobile, isTouch, viewportWidth } = useBreakpoints()
+const chartHeight = computed(() => (isMobile.value ? '260px' : '350px'))
 
 // 图表组件异步加载：echarts 体积较大，登录后进入面板时先渲染页面骨架，
 // echarts 在后台按需下载并注册，避免阻塞目标页首屏
@@ -473,6 +478,53 @@ function applyPanelNavigation() {
   router.push('/transactions')
 }
 
+// 触屏端点击图表元素后的确认气泡；桌面端不经过该状态，直接跳转
+const chartAction = ref<{ x: number; y: number; action: () => void } | null>(null)
+
+/** 确认气泡定位：以点击点为中心，并约束在视口内 */
+const chartActionStyle = computed(() => {
+  const a = chartAction.value
+  if (!a) return {}
+  const width = 200
+  const height = 108
+  const margin = 8
+  const vw = viewportWidth.value || window.innerWidth
+  const vh = window.innerHeight
+  const left = Math.min(Math.max(margin, a.x - width / 2), Math.max(margin, vw - width - margin))
+  const top = Math.min(Math.max(margin, a.y), Math.max(margin, vh - height - margin))
+  return { left: `${left}px`, top: `${top}px` }
+})
+
+/**
+ * 图表元素跳转入口：桌面端直接跳转；触屏端先弹出确认气泡，避免滑动/误触直接跳走
+ *
+ * :param params: ECharts 元素点击事件参数（用于取点击坐标定位气泡）
+ * :param action: 实际执行跳转的回调
+ */
+function triggerChartNavigation(params: any, action: () => void) {
+  if (!isTouch.value) {
+    action()
+    return
+  }
+  const ev = params?.event?.event ?? params?.event
+  const width = viewportWidth.value || window.innerWidth
+  const x = typeof ev?.clientX === 'number' ? ev.clientX : width / 2
+  const y = typeof ev?.clientY === 'number' ? ev.clientY : window.innerHeight / 2
+  chartAction.value = { x, y, action }
+}
+
+/** 确认气泡：执行跳转并关闭 */
+function confirmChartAction() {
+  const pending = chartAction.value
+  chartAction.value = null
+  pending?.action()
+}
+
+/** 关闭确认气泡（取消跳转） */
+function closeChartAction() {
+  chartAction.value = null
+}
+
 /**
  * 处理分类/渠道饼图扇区点击：分类按分类ID跳转，渠道按渠道编码跳转，无渠道编码的扇区不响应
  *
@@ -485,11 +537,13 @@ function handlePieClick(params: any) {
   // 渠道饼图数据项带 channelCode 字段，为空表示未指定渠道，不响应
   if ('channelCode' in d) {
     if (!d.channelCode) return
-    applyChannelNavigation(d.navType, d.channelCode)
+    const channelCode = d.channelCode
+    triggerChartNavigation(params, () => applyChannelNavigation(d.navType, channelCode))
     return
   }
   if (d.categoryId != null) {
-    applyCategoryNavigation(d.navType, Number(d.categoryId))
+    const categoryId = Number(d.categoryId)
+    triggerChartNavigation(params, () => applyCategoryNavigation(d.navType, categoryId))
   }
 }
 
@@ -503,7 +557,7 @@ function handleTrendClick(params: any) {
   const key = trendKeys.value[params.dataIndex]
   if (!key) return
   const type = params.seriesId === 'INCOME' ? 'INCOME' : 'EXPENSE'
-  applyTrendNavigation(key, type)
+  triggerChartNavigation(params, () => applyTrendNavigation(key, type))
 }
 
 /**
@@ -512,6 +566,8 @@ function handleTrendClick(params: any) {
  * :param e: zrender 点击事件（含相对画布的 offsetX/offsetY）
  */
 function handleTrendBlankClick(e: any) {
+  // 触屏端禁用「整列可点」，仅允许点击柱子本体，避免滑动/误触跳转
+  if (isTouch.value) return
   // 命中柱子等图形时交给 handleTrendClick 处理，避免重复跳转
   if (e?.target) return
   const chart = unref(trendChartRef.value?.chart)
@@ -902,7 +958,7 @@ onMounted(async () => {
     </NCard>
 
     <!-- 汇总卡片 -->
-    <NGrid :cols="4" :x-gap="16" :y-gap="16" style="margin-bottom: 16px;">
+    <NGrid responsive="screen" cols="1 s:2 m:4" :x-gap="16" :y-gap="16" style="margin-bottom: 16px;">
       <NGridItem>
         <NCard>
           <NStatistic :label="t('dashboard.totalIncome')" :value="Number(summary.totalIncome).toFixed(2)" style="color: #18a058;">
@@ -930,7 +986,7 @@ onMounted(async () => {
     </NGrid>
 
     <!-- 概览指标 -->
-    <NGrid :cols="4" :x-gap="16" :y-gap="16" style="margin-bottom: 20px;">
+    <NGrid responsive="screen" cols="1 s:2 m:4" :x-gap="16" :y-gap="16" style="margin-bottom: 20px;">
       <NGridItem>
         <NCard>
           <NStatistic :label="t('dashboard.avgDailyIncome')" :value="Number(summary.avgDailyIncome).toFixed(2)" />
@@ -968,29 +1024,29 @@ onMounted(async () => {
           <NSelect v-model:value="granularity" :options="granularityOptions" style="width: 110px;" size="small" />
         </NSpace>
       </template>
-      <VChart ref="trendChartRef" :option="trendOption" style="height: 350px;" autoresize @click="handleTrendClick" @zr:click="handleTrendBlankClick" />
+      <VChart ref="trendChartRef" :option="trendOption" :style="{ height: chartHeight }" autoresize @click="handleTrendClick" @zr:click="handleTrendBlankClick" />
     </NCard>
 
     <!-- 饼图区域：支出/收入分类占比 + 支出/收入交易渠道占比 -->
-    <NGrid :cols="2" :x-gap="16" :y-gap="16">
+    <NGrid responsive="screen" cols="1 m:2" :x-gap="16" :y-gap="16">
       <NGridItem>
         <NCard>
-          <VChart :option="pieOption" style="height: 350px;" autoresize @click="handlePieClick" />
+          <VChart :option="pieOption" :style="{ height: chartHeight }" autoresize @click="handlePieClick" />
         </NCard>
       </NGridItem>
       <NGridItem>
         <NCard>
-          <VChart :option="incomePieOption" style="height: 350px;" autoresize @click="handlePieClick" />
+          <VChart :option="incomePieOption" :style="{ height: chartHeight }" autoresize @click="handlePieClick" />
         </NCard>
       </NGridItem>
       <NGridItem>
         <NCard>
-          <VChart :option="channelOption" style="height: 350px;" autoresize @click="handlePieClick" />
+          <VChart :option="channelOption" :style="{ height: chartHeight }" autoresize @click="handlePieClick" />
         </NCard>
       </NGridItem>
       <NGridItem>
         <NCard>
-          <VChart :option="incomeChannelOption" style="height: 350px;" autoresize @click="handlePieClick" />
+          <VChart :option="incomeChannelOption" :style="{ height: chartHeight }" autoresize @click="handlePieClick" />
         </NCard>
       </NGridItem>
     </NGrid>
@@ -1008,5 +1064,44 @@ onMounted(async () => {
       :storage-key="AI_QUERY_WINDOW_KEY"
       @submit="handleAiStatistics"
     />
+
+    <!-- 触屏端图表点击确认气泡：先确认再跳转，降低误触 -->
+    <Teleport to="body">
+      <div v-if="chartAction" class="chart-action-mask" @click="closeChartAction" @contextmenu.prevent>
+        <div class="chart-action-menu" :style="chartActionStyle" @click.stop>
+          <div class="chart-action-menu__hint">{{ t('dashboard.chartActionHint') }}</div>
+          <NSpace vertical :size="8">
+            <NButton type="primary" size="small" block @click="confirmChartAction">
+              {{ t('dashboard.chartActionView') }}
+            </NButton>
+            <NButton size="small" block quaternary @click="closeChartAction">
+              {{ t('common.cancel') }}
+            </NButton>
+          </NSpace>
+        </div>
+      </div>
+    </Teleport>
   </div>
 </template>
+
+<style scoped>
+/* 触屏端图表点击确认气泡：透明遮罩 + 点击点附近的操作卡片 */
+.chart-action-mask {
+  position: fixed;
+  inset: 0;
+  z-index: 2600;
+}
+.chart-action-menu {
+  position: fixed;
+  width: 200px;
+  padding: 12px;
+  background: #fff;
+  border-radius: 10px;
+  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.04);
+}
+.chart-action-menu__hint {
+  margin-bottom: 8px;
+  font-size: 13px;
+  color: #333;
+}
+</style>
diff --git a/frontend/src/views/EmailBillManage.vue b/frontend/src/views/EmailBillManage.vue
index 53a5bba..d474dda 100644
--- a/frontend/src/views/EmailBillManage.vue
+++ b/frontend/src/views/EmailBillManage.vue
@@ -33,11 +33,14 @@ import { migrateKey, writeString } from '../utils/storage'
 import { LEGACY_STORAGE_KEYS, STORAGE_KEYS } from '../utils/storageKeys'
 import { usePageSizeOptions } from '../composables/usePageSizeOptions'
 import { useTablePageSize } from '../composables/useTablePageSize'
+import { useBreakpoints } from '../composables/useBreakpoints'
 
 const message = useMessage()
 const dialog = useDialog()
 const { t } = useI18n()
 const route = useRoute()
+// 小屏时表单标签置顶，避免左侧固定标签挤压输入区
+const { isMobile } = useBreakpoints()
 const router = useRouter()
 
 // 所有表格共用的每页条数候选列表
@@ -769,6 +772,7 @@ onUnmounted(() => {
             :row-key="(r: EmailBillConfig) => r.id"
             size="small"
             :bordered="false"
+            :scroll-x="1140"
             :pagination="configPagination"
             @update:page="handleConfigPageChange"
             @update:page-size="handleConfigPageSizeChange"
@@ -803,6 +807,7 @@ onUnmounted(() => {
             :row-key="(r: EmailBillSenderRule) => r.id"
             size="small"
             :bordered="false"
+            :scroll-x="780"
             :pagination="rulePagination"
             @update:page="handleRulePageChange"
             @update:page-size="handleRulePageSizeChange"
@@ -836,6 +841,7 @@ onUnmounted(() => {
             size="small"
             :bordered="false"
             remote
+            :scroll-x="960"
             :pagination="{
               page: messagePage, pageSize: messageSize, itemCount: messageTotal,
               pageSizes: pageSizeOptions, showSizePicker: true,
@@ -849,7 +855,7 @@ onUnmounted(() => {
 
     <!-- 邮箱配置弹窗 -->
     <NModal v-model:show="configModalVisible" preset="card" :title="t('emailBill.tab.configs')" style="width: 560px; max-width: 92vw;">
-      <NForm label-placement="left" label-width="130">
+      <NForm :label-placement="isMobile ? 'top' : 'left'" :label-width="isMobile ? undefined : 130">
         <NFormItem :label="t('emailBill.config.name')">
           <NInput v-model:value="configForm.name" />
         </NFormItem>
@@ -923,7 +929,7 @@ onUnmounted(() => {
 
     <!-- 发件人规则弹窗 -->
     <NModal v-model:show="ruleModalVisible" preset="card" :title="t('emailBill.tab.senderRules')" style="width: 560px; max-width: 92vw;">
-      <NForm label-placement="left" label-width="130">
+      <NForm :label-placement="isMobile ? 'top' : 'left'" :label-width="isMobile ? undefined : 130">
         <NFormItem :label="t('emailBill.senderRule.name')">
           <NInput v-model:value="ruleForm.name" />
         </NFormItem>
diff --git a/frontend/src/views/Layout.vue b/frontend/src/views/Layout.vue
index 1a7418a..2757842 100644
--- a/frontend/src/views/Layout.vue
+++ b/frontend/src/views/Layout.vue
@@ -3,9 +3,14 @@
 import { h, computed, ref, watch, nextTick, onMounted, onBeforeUnmount } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
 import { useI18n } from 'vue-i18n'
-import { NLayout, NLayoutSider, NLayoutContent, NLayoutHeader, NMenu, NSpace, NIcon, NDropdown } from 'naive-ui'
+import {
+  NLayout, NLayoutSider, NLayoutContent, NLayoutHeader, NMenu, NSpace, NIcon, NDropdown,
+  NDrawer, NDrawerContent, NButton,
+} from 'naive-ui'
 import type { MenuOption } from 'naive-ui'
-import { DocumentTextOutline, SettingsOutline, LogOutOutline, ChevronDownOutline, WalletOutline } from '@vicons/ionicons5'
+import {
+  DocumentTextOutline, SettingsOutline, LogOutOutline, ChevronDownOutline, WalletOutline, MenuOutline,
+} from '@vicons/ionicons5'
 import { useUserStore } from '../store/user'
 import LocaleSwitch from '../components/LocaleSwitch.vue'
 import { getChannels } from '../api/transaction'
@@ -13,11 +18,15 @@ import { readSessionString, writeSessionString } from '../utils/storage'
 import { scrollKey } from '../utils/storageKeys'
 import { aiEnabled, refreshAiEnabled } from '../composables/useAiEnabled'
 import { navEntries, loadNavMenu } from '../composables/useNavMenu'
+import { useBreakpoints } from '../composables/useBreakpoints'
 
 const router = useRouter()
 const route = useRoute()
 const userStore = useUserStore()
 const { t } = useI18n()
+// 小屏断点：手机端侧边栏收起为抽屉
+const { isMobile } = useBreakpoints()
+const showDrawer = ref(false)
 
 // 根据当前路由路径计算菜单激活项
 const activeKey = computed(() => {
@@ -54,6 +63,8 @@ const menuOptions = computed<MenuOption[]>(() => {
 /** 菜单点击事件：根据 key 导航到对应路由 */
 function handleMenuUpdate(key: string) {
   router.push(`/${key}`)
+  // 手机端选择菜单后收起抽屉
+  showDrawer.value = false
 }
 
 // 顶部用户下拉菜单配置项（随语言切换响应式更新）
@@ -80,6 +91,9 @@ function handleLogout() {
   router.push('/login')
 }
 
+// 内容区样式：小屏收窄内边距，高度用 dvh 兜底移动端地址栏伸缩
+const contentStyle = computed(() => `padding: ${isMobile.value ? 12 : 24}px;`)
+
 // 内容区滚动位置记忆：按路由分别记录，进入页面时自动恢复
 const contentRef = ref<InstanceType<typeof NLayoutContent> | null>(null) // 内容区滚动容器
 let scrollRaf = 0 // scroll 事件的 rAF 节流句柄
@@ -161,6 +175,11 @@ function handleBeforeUnload() {
   saveScroll()
 }
 
+// 切回桌面宽度时收起抽屉，避免残留浮层
+watch(isMobile, (mobile) => {
+  if (!mobile) showDrawer.value = false
+})
+
 // 路由切换：先保存离开页的位置，再在 DOM 更新后恢复目标页的位置
 watch(() => route.path, (to, from) => {
   saveScroll(from)
@@ -199,9 +218,10 @@ onBeforeUnmount(() => {
 </script>
 
 <template>
-  <!-- 整体布局：左侧边栏 + 右侧内容区 -->
-  <NLayout has-sider style="height: 100vh">
+  <!-- 整体布局：左侧边栏 + 右侧内容区（手机端侧边栏收起为抽屉） -->
+  <NLayout has-sider style="height: 100dvh">
     <NLayoutSider
+      v-if="!isMobile"
       bordered
       :width="200"
       content-style="padding: 12px;"
@@ -224,8 +244,21 @@ onBeforeUnmount(() => {
       />
     </NLayoutSider>
     <NLayout>
-      <!-- 顶部栏：用户下拉菜单与语言切换 -->
-      <NLayoutHeader bordered style="padding: 12px 24px; display: flex; justify-content: flex-end; align-items: center;">
+      <!-- 顶部栏：左侧菜单按钮（小屏）+ 右侧语言切换与用户下拉菜单 -->
+      <NLayoutHeader bordered class="app-header" :style="{ padding: isMobile ? '8px 12px' : '12px 24px' }">
+        <div class="app-header__left">
+          <NButton
+            v-if="isMobile"
+            quaternary
+            circle
+            :aria-label="t('layout.menu')"
+            @click="showDrawer = true"
+          >
+            <template #icon>
+              <NIcon :component="MenuOutline" />
+            </template>
+          </NButton>
+        </div>
         <NSpace align="center" :size="16">
           <LocaleSwitch />
           <NDropdown :options="userMenuOptions" @select="handleUserMenuSelect">
@@ -237,14 +270,50 @@ onBeforeUnmount(() => {
         </NSpace>
       </NLayoutHeader>
       <!-- 子路由内容渲染区域 -->
-      <NLayoutContent ref="contentRef" content-style="padding: 24px;" style="height: calc(100vh - 57px); overflow-y: auto;">
+      <NLayoutContent
+        ref="contentRef"
+        :content-style="contentStyle"
+        style="height: calc(100dvh - 57px); overflow-y: auto;"
+      >
         <router-view />
       </NLayoutContent>
     </NLayout>
+
+    <!-- 手机端导航抽屉 -->
+    <NDrawer v-model:show="showDrawer" placement="left" :width="220">
+      <NDrawerContent :native-scrollbar="false" body-content-style="padding: 12px;">
+        <div class="app-brand">
+          <div class="app-brand__logo">
+            <NIcon :component="WalletOutline" size="18" />
+          </div>
+          <div class="app-brand__text">
+            <span class="app-brand__title">{{ t('layout.appTitle') }}</span>
+            <span class="app-brand__subtitle">{{ t('layout.appSubtitle') }}</span>
+          </div>
+        </div>
+        <NMenu
+          :value="activeKey"
+          :options="menuOptions"
+          @update:value="handleMenuUpdate"
+        />
+      </NDrawerContent>
+    </NDrawer>
   </NLayout>
 </template>
 
 <style scoped>
+/* 顶部栏：左右两端布局，固定高度与内容区高度计算保持一致 */
+.app-header {
+  height: 57px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+.app-header__left {
+  display: flex;
+  align-items: center;
+  min-width: 0;
+}
 /* 左上角品牌区：图标徽标 + 主标题 + 副标题 */
 .app-brand {
   display: flex;
diff --git a/frontend/src/views/Login.vue b/frontend/src/views/Login.vue
index 9f4b189..dd495de 100644
--- a/frontend/src/views/Login.vue
+++ b/frontend/src/views/Login.vue
@@ -66,7 +66,7 @@ async function handleLogin() {
 
 <template>
   <div class="login-container">
-    <NCard :title="t('login.title')" style="width: 400px" :bordered="true">
+    <NCard :title="t('login.title')" style="width: 400px; max-width: 92vw" :bordered="true">
       <template #header-extra>
         <LocaleSwitch />
       </template>
diff --git a/frontend/src/views/Register.vue b/frontend/src/views/Register.vue
index 97099e6..9a0791a 100644
--- a/frontend/src/views/Register.vue
+++ b/frontend/src/views/Register.vue
@@ -59,7 +59,7 @@ async function handleRegister() {
 
 <template>
   <div class="login-container">
-    <NCard :title="t('register.title')" style="width: 400px" :bordered="true">
+    <NCard :title="t('register.title')" style="width: 400px; max-width: 92vw" :bordered="true">
       <template #header-extra>
         <LocaleSwitch />
       </template>
diff --git a/frontend/src/views/RuleManage.vue b/frontend/src/views/RuleManage.vue
index c16cbc2..eec4ae8 100644
--- a/frontend/src/views/RuleManage.vue
+++ b/frontend/src/views/RuleManage.vue
@@ -815,6 +815,7 @@ onMounted(() => {
       :data="rules"
       :loading="loading"
       :bordered="false"
+      :scroll-x="950"
       :row-key="(row: RuleItem) => row.id"
       :pagination="pagination"
       @update:page="handlePageChange"
@@ -822,7 +823,7 @@ onMounted(() => {
     />
 
     <!-- 新增/编辑弹窗 -->
-    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('rule.editTitle') : t('rule.addTitle')" style="width: 520px;">
+    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('rule.editTitle') : t('rule.addTitle')" style="width: 520px; max-width: 92vw;">
       <NForm>
         <NFormItem :label="t('common.name')">
           <NInput v-model:value="form.name" :placeholder="t('rule.namePlaceholder')" />
diff --git a/frontend/src/views/SqlQuery.vue b/frontend/src/views/SqlQuery.vue
index 367c4d2..dcf6826 100644
--- a/frontend/src/views/SqlQuery.vue
+++ b/frontend/src/views/SqlQuery.vue
@@ -23,6 +23,7 @@ import { useTablePageSize } from '../composables/useTablePageSize'
 import { readSessionJson, writeSessionJson, removeSessionKey } from '../utils/storage'
 import { STORAGE_KEYS } from '../utils/storageKeys'
 import { useUserStore } from '../store/user'
+import { useBreakpoints } from '../composables/useBreakpoints'
 
 // 图表组件异步加载：echarts 体积较大，按需加载，避免阻塞首屏
 const VChart = defineAsyncComponent(async () => {
@@ -128,6 +129,14 @@ const canChart = computed(() => !!result.value
   && result.value.columns.some((col) => col.type === 'NUMBER'))
 const hasRows = computed(() => resultRows.value.length > 0)
 
+// 统计卡片列数随断点收敛：手机单列、平板两列、桌面最多四列；图表高度同步降低
+const { isMobile, viewportWidth } = useBreakpoints()
+const scalarCols = computed(() => {
+  const max = isMobile.value ? 1 : viewportWidth.value < 1024 ? 2 : 4
+  return Math.min(scalarItems.value.length, max)
+})
+const chartHeight = computed(() => (isMobile.value ? '280px' : '380px'))
+
 // 单行统计卡片项
 const scalarItems = computed(() => {
   if (!result.value || !isScalar.value) return []
@@ -485,7 +494,7 @@ onMounted(async () => {
 
         <template v-else>
           <!-- 单行结果：统计卡片 -->
-          <NGrid v-if="isScalar" :cols="Math.min(scalarItems.length, 4)" :x-gap="16" :y-gap="16">
+          <NGrid v-if="isScalar" :cols="scalarCols" :x-gap="16" :y-gap="16">
             <NGridItem v-for="item in scalarItems" :key="item.key">
               <NCard size="small" :bordered="true">
                 <NStatistic :label="item.label" :value="item.value" />
@@ -520,7 +529,7 @@ onMounted(async () => {
               size="small"
               :scroll-x="960"
             />
-            <VChart v-else :option="chartOption ?? undefined" :update-options="chartUpdateOptions" autoresize style="height: 380px;" />
+            <VChart v-else :option="chartOption ?? undefined" :update-options="chartUpdateOptions" autoresize :style="{ height: chartHeight }" />
           </template>
         </template>
       </div>
diff --git a/frontend/src/views/TagManage.vue b/frontend/src/views/TagManage.vue
index 2f34a5c..d2cf21a 100644
--- a/frontend/src/views/TagManage.vue
+++ b/frontend/src/views/TagManage.vue
@@ -231,13 +231,14 @@ onMounted(() => {
       :data="tags"
       :loading="loading"
       :bordered="false"
+      :scroll-x="560"
       :pagination="pagination"
       @update:page="handlePageChange"
       @update:page-size="handlePageSizeChange"
     />
 
     <!-- 新增/编辑弹窗 -->
-    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('tag.editTitle') : t('tag.addTitle')" style="width: 450px;">
+    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('tag.editTitle') : t('tag.addTitle')" style="width: 450px; max-width: 92vw;">
       <NForm>
         <NFormItem :label="t('tag.name')">
           <div style="display: flex; gap: 8px; width: 100%;">
diff --git a/frontend/src/views/TransactionList.vue b/frontend/src/views/TransactionList.vue
index f127646..11c9c38 100644
--- a/frontend/src/views/TransactionList.vue
+++ b/frontend/src/views/TransactionList.vue
@@ -2237,6 +2237,7 @@ onBeforeUnmount(() => {
       :data="transactions"
       :loading="loading"
       :bordered="false"
+      :scroll-x="1480"
       :row-key="(row: TransactionItem) => row.id"
       :row-class-name="(row: TransactionItem) => (!row.includeInStats && excludedDisplayStyle === 'strikethrough') ? 'excluded-row' : ''"
       v-model:checked-row-keys="checkedTransactionIds"
@@ -2257,7 +2258,7 @@ onBeforeUnmount(() => {
     </NSpace>
 
     <!-- 新增/编辑弹窗 -->
-    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('transaction.editRecord') : t('transaction.addRecordTitle')" style="width: 500px;">
+    <NModal v-model:show="showModal" preset="card" :title="editingId ? t('transaction.editRecord') : t('transaction.addRecordTitle')" style="width: 500px; max-width: 92vw;">
       <NForm>
         <NFormItem :label="t('transaction.column.type')">
           <NSelect v-model:value="form.type" :options="typeOptions" />
@@ -2357,12 +2358,12 @@ onBeforeUnmount(() => {
     />
 
     <!-- 原始账单数据弹窗 -->
-    <NModal v-model:show="showRawModal" preset="card" :title="t('transaction.rawDataTitle')" style="width: 640px;">
+    <NModal v-model:show="showRawModal" preset="card" :title="t('transaction.rawDataTitle')" style="width: 640px; max-width: 92vw;">
       <NInput :value="rawDataText" type="textarea" readonly :autosize="{ minRows: 8, maxRows: 20 }" />
     </NModal>
 
     <!-- 一键设置弹窗（作用于当前表格展示的记录） -->
-    <NModal v-model:show="showBatchModal" preset="card" :title="t('transaction.batchTitle')" style="width: 480px;">
+    <NModal v-model:show="showBatchModal" preset="card" :title="t('transaction.batchTitle')" style="width: 480px; max-width: 92vw;">
       <NForm>
         <NFormItem :label="t('transaction.batchScope')">
           <span style="color: #999; font-size: 12px;">
@@ -2419,6 +2420,7 @@ onBeforeUnmount(() => {
           :columns="aiColumns"
           :data="aiRows"
           :max-height="420"
+          :scroll-x="880"
           :row-key="(row) => row.transactionId"
           size="small"
           :bordered="false"
@@ -2514,6 +2516,7 @@ onBeforeUnmount(() => {
           :data="aiRecordRows"
           :row-key="(row) => row.key"
           :max-height="420"
+          :scroll-x="900"
           size="small"
           :bordered="false"
         />