diff --git a/src/App.vue b/src/App.vue
index 3eb1071..bf17389 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -17,7 +17,14 @@ const {
 
 <template>
   <div :class="['app-container', isDarkMode ? 'dark' : 'light']">
-    <div v-if="showGlobalControls" class="fixed top-4 right-4 z-50 flex items-center space-x-3">
+    <div
+      v-if="showGlobalControls"
+      class="fixed z-50 flex items-center space-x-3"
+      :style="{
+        top: 'max(1rem, env(safe-area-inset-top))',
+        right: 'max(1rem, env(safe-area-inset-right))'
+      }"
+    >
       <LanguageSwitcher />
       <ThemeToggle v-model="isDarkMode" />
     </div>
diff --git a/src/assets/style/main.css b/src/assets/style/main.css
index ccb3d43..e0d90e4 100644
--- a/src/assets/style/main.css
+++ b/src/assets/style/main.css
@@ -2,21 +2,16 @@
 @import 'tailwindcss/components';
 @import 'tailwindcss/utilities';
 
-@font-face {
-  font-family: 'DingTalk';
-  src: url('@/assets/font/DingTalk.ttf') format('truetype');
-}
-
-* {
-  font-family: 'DingTalk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
-  font-style: normal;
-}
-
 html {
+  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
   text-rendering: optimizeLegibility;
   -webkit-font-smoothing: antialiased;
 }
 
+body {
+  font-family: inherit;
+}
+
 :focus-visible {
   outline: 3px solid rgba(95, 135, 150, 0.78);
   outline-offset: 3px;
diff --git a/src/components/common/AlertComponent.vue b/src/components/common/AlertComponent.vue
index be56e24..53d69fd 100644
--- a/src/components/common/AlertComponent.vue
+++ b/src/components/common/AlertComponent.vue
@@ -49,14 +49,14 @@
 import { storeToRefs } from 'pinia'
 import { useAlertStore } from '@/stores/alertStore'
 import { CheckCircle, AlertTriangle, AlertCircle, Info, X } from 'lucide-vue-next'
-import { onMounted, onUnmounted } from 'vue'
+
 import { useI18n } from 'vue-i18n'
 
 const { t } = useI18n()
 
 const alertStore = useAlertStore()
 const { alerts } = storeToRefs(alertStore)
-const { removeAlert, startProgressTimer, stopProgressTimer } = alertStore
+const { removeAlert } = alertStore
 
 const gradientClasses = {
   success: 'from-[#6f9688] to-[#5f8377]',
@@ -72,13 +72,7 @@ const alertIcons = {
   info: Info
 }
 
-onMounted(() => {
-  startProgressTimer()
-})
 
-onUnmounted(() => {
-  stopProgressTimer()
-})
 </script>
 
 <style scoped>
diff --git a/src/components/common/DataPagination.vue b/src/components/common/DataPagination.vue
index f039869..6c4257d 100644
--- a/src/components/common/DataPagination.vue
+++ b/src/components/common/DataPagination.vue
@@ -1,16 +1,17 @@
 <template>
-  <div
+  <nav
     class="mt-4 flex flex-col gap-3 border-t px-4 py-4 sm:flex-row sm:items-center sm:justify-between sm:px-6"
     :class="[isDarkMode ? 'border-[#31454d]' : 'border-[#c8d7da]']"
+    :aria-label="t('components.pagination.navigation')"
   >
     <div class="text-sm" :class="[isDarkMode ? 'text-gray-300' : 'text-gray-600']">
       {{ t('components.pagination.range', { start: rangeStart, end: rangeEnd, total }) }}
     </div>
 
-    <div class="flex flex-wrap items-center gap-2">
+    <div class="grid grid-cols-[auto_minmax(0,1fr)_auto] items-center gap-2 sm:flex sm:flex-wrap">
       <select
         :value="pageSize"
-        class="min-h-11 rounded-[30px] border px-3 text-sm shadow-sm transition-colors sm:min-h-9"
+        class="col-span-3 min-h-11 rounded-[30px] border px-3 text-sm shadow-sm transition-colors sm:col-auto lg:min-h-9"
         :class="[
           isDarkMode
             ? 'border-[#40545c] bg-[#263941] text-[#d8e3e5] hover:border-[#7199a8]'
@@ -27,20 +28,24 @@
       <button
         type="button"
         :disabled="currentPage === 1"
-        class="inline-flex min-h-11 items-center rounded-[30px] px-3 py-1.5 shadow-sm transition-all duration-200 hover:shadow-md sm:min-h-9"
+        class="inline-flex min-h-11 items-center justify-center rounded-[30px] px-3 py-1.5 shadow-sm transition-all duration-200 hover:shadow-md lg:min-h-9"
         :class="buttonClass(currentPage === 1)"
         @click="$emit('page-change', currentPage - 1)"
       >
         <ChevronLeftIcon class="h-4 w-4" aria-hidden="true" />
-        {{ t('common.previous') }}
+        <span class="max-[359px]:sr-only">{{ t('common.previous') }}</span>
       </button>
 
-      <div class="flex items-center gap-1">
+      <span class="text-center text-sm font-medium sm:hidden" :class="[isDarkMode ? 'text-gray-200' : 'text-gray-700']">
+        {{ currentPage }} / {{ totalPages }}
+      </span>
+
+      <div class="hidden items-center gap-1 sm:flex">
         <template v-for="pageNum in displayedPages" :key="pageNum">
           <button
             v-if="pageNum !== '...'"
             type="button"
-            class="inline-flex min-h-11 min-w-11 items-center justify-center rounded-[30px] px-3 py-1.5 shadow-sm transition-all duration-200 hover:shadow-md sm:min-h-9 sm:min-w-9"
+            class="inline-flex min-h-11 min-w-11 items-center justify-center rounded-[30px] px-3 py-1.5 shadow-sm transition-all duration-200 hover:shadow-md lg:min-h-9 lg:min-w-9"
             :class="[
               currentPage === pageNum
                 ? 'bg-[#5f8796] text-white shadow-[#9fb8bf]/35'
@@ -61,15 +66,15 @@
       <button
         type="button"
         :disabled="currentPage >= totalPages"
-        class="inline-flex min-h-11 items-center rounded-[30px] px-3 py-1.5 shadow-sm transition-all duration-200 hover:shadow-md sm:min-h-9"
+        class="inline-flex min-h-11 items-center justify-center rounded-[30px] px-3 py-1.5 shadow-sm transition-all duration-200 hover:shadow-md lg:min-h-9"
         :class="buttonClass(currentPage >= totalPages)"
         @click="$emit('page-change', currentPage + 1)"
       >
-        {{ t('common.next') }}
+        <span class="max-[359px]:sr-only">{{ t('common.next') }}</span>
         <ChevronRightIcon class="h-4 w-4" aria-hidden="true" />
       </button>
     </div>
-  </div>
+  </nav>
 </template>
 
 <script setup lang="ts">
diff --git a/src/components/common/ExpirationSelector.vue b/src/components/common/ExpirationSelector.vue
index 5fe560d..3136740 100644
--- a/src/components/common/ExpirationSelector.vue
+++ b/src/components/common/ExpirationSelector.vue
@@ -1,137 +1,67 @@
 <template>
-  <div class="flex flex-col space-y-3">
-    <label for="send-expiration-value" :class="['text-sm font-medium', isDarkMode ? 'text-gray-300' : 'text-gray-700']">
+  <div class="space-y-3">
+    <label for="send-expiration-value" class="block text-sm font-medium" :class="isDarkMode ? 'text-gray-300' : 'text-gray-700'">
       {{ t('send.expiration.label') }}
     </label>
-    <div class="relative flex-grow group">
-      <div
-        :class="[
-          'relative h-12 rounded-2xl border transition-all duration-300 shadow-sm',
-          isDarkMode
-            ? 'bg-gray-800/60 border-gray-700/60 group-hover:border-gray-600/80 group-hover:shadow-lg group-hover:shadow-gray-900/20'
-            : 'bg-white border-gray-200 group-hover:border-gray-300 group-hover:shadow-md group-hover:shadow-gray-200/50'
-        ]"
+
+    <div v-if="expirationMethod !== 'forever'" class="grid grid-cols-[2.75rem_minmax(0,1fr)_2.75rem] gap-2">
+      <button
+        type="button"
+        class="flex h-11 w-11 items-center justify-center rounded-xl border text-xl font-semibold transition-colors disabled:cursor-not-allowed disabled:opacity-40"
+        :class="controlClass"
+        :disabled="numericValue <= 1"
+        :aria-label="t('send.expiration.decrement')"
+        @click="incrementValue(-1)"
       >
-        <template v-if="expirationMethod !== 'forever'">
-          <input
-            id="send-expiration-value"
-            :value="expirationValue"
-            @input="updateValue"
-            type="number"
-            :placeholder="getPlaceholder()"
-            min="1"
-            :class="[
-              'w-full h-full px-5 pr-32 rounded-2xl placeholder-gray-400 transition-all duration-300',
-              'focus:outline-none focus:ring-2 focus:ring-offset-0',
-              '[appearance:textfield] [&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none',
-              'bg-transparent',
-              isDarkMode
-                ? 'text-gray-100 focus:ring-indigo-500/80 placeholder-gray-500'
-                : 'text-gray-900 focus:ring-indigo-500/60 placeholder-gray-400'
-            ]"
-          />
-          <div
-            class="absolute right-28 top-0 h-full flex flex-col border-l"
-            :class="[isDarkMode ? 'border-gray-700/60' : 'border-gray-200']"
-          >
-            <button
-              type="button"
-              :aria-label="t('send.expiration.increment')"
-              @click="incrementValue(1)"
-              class="flex-1 px-2 flex items-center justify-center transition-all duration-200"
-              :class="[
-                isDarkMode
-                  ? 'hover:bg-gray-700/60 text-gray-400 hover:text-gray-200'
-                  : 'hover:bg-gray-50 text-gray-500 hover:text-gray-700'
-              ]"
-            >
-              <svg class="w-3 h-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  stroke-width="2"
-                  d="M5 15l7-7 7 7"
-                />
-              </svg>
-            </button>
-            <button
-              type="button"
-              :aria-label="t('send.expiration.decrement')"
-              @click="incrementValue(-1)"
-              class="flex-1 px-2 flex items-center justify-center transition-all duration-200"
-              :class="[
-                isDarkMode
-                  ? 'hover:bg-gray-700/60 text-gray-400 hover:text-gray-200'
-                  : 'hover:bg-gray-50 text-gray-500 hover:text-gray-700'
-              ]"
-            >
-              <svg class="w-3 h-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  stroke-width="2"
-                  d="M19 9l-7 7-7-7"
-                />
-              </svg>
-            </button>
-          </div>
-        </template>
-        <select
-          :aria-label="t('send.expiration.method')"
-          :value="expirationMethod"
-          @change="updateMethod"
-          :class="[
-            'absolute right-0 top-0 h-full appearance-none cursor-pointer transition-all duration-300',
-            'focus:outline-none focus:ring-2 focus:ring-offset-0',
-            expirationMethod === 'forever'
-              ? 'w-full px-5 rounded-2xl'
-              : 'w-28 pl-4 pr-9 border-l rounded-r-2xl',
-            isDarkMode
-              ? 'text-gray-100 border-gray-700/60 focus:ring-indigo-500/80 bg-gray-800/60'
-              : 'text-gray-900 border-gray-200 focus:ring-indigo-500/60 bg-white'
-          ]"
-          :style="{
-            color: isDarkMode ? '#f3f4f6' : '#111827',
-            backgroundColor: isDarkMode ? 'rgba(31, 41, 55, 0.5)' : '#ffffff'
-          }"
-        >
-          <option
-            v-for="option in options"
-            :key="option.value"
-            :value="option.value"
-            :class="[isDarkMode ? 'bg-gray-800 text-gray-100' : 'bg-white text-gray-900']"
-            :style="{
-              color: isDarkMode ? '#f3f4f6' : '#111827',
-              backgroundColor: isDarkMode ? '#1f2937' : '#ffffff'
-            }"
-          >
-            {{ option.label }}
-          </option>
-        </select>
-        <div
-          class="absolute pointer-events-none"
-          :class="[
-            expirationMethod === 'forever' ? 'right-3' : 'right-2',
-            'top-1/2 -translate-y-1/2',
-            isDarkMode ? 'text-gray-400' : 'text-gray-500'
-          ]"
-        >
-          <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-            <path
-              stroke-linecap="round"
-              stroke-linejoin="round"
-              stroke-width="2"
-              d="M19 9l-7 7-7-7"
-            />
-          </svg>
-        </div>
-      </div>
+        <MinusIcon class="h-5 w-5" aria-hidden="true" />
+      </button>
+
+      <input
+        id="send-expiration-value"
+        :value="expirationValue"
+        type="number"
+        min="1"
+        inputmode="numeric"
+        class="h-11 min-w-0 rounded-xl border px-3 text-center font-semibold tabular-nums outline-none transition-colors focus:ring-2 focus:ring-indigo-500 [appearance:textfield] [&::-webkit-inner-spin-button]:appearance-none [&::-webkit-outer-spin-button]:appearance-none"
+        :class="controlClass"
+        :placeholder="getPlaceholder()"
+        @input="updateValue"
+      />
+
+      <button
+        type="button"
+        class="flex h-11 w-11 items-center justify-center rounded-xl border text-xl font-semibold transition-colors"
+        :class="controlClass"
+        :aria-label="t('send.expiration.increment')"
+        @click="incrementValue(1)"
+      >
+        <PlusIcon class="h-5 w-5" aria-hidden="true" />
+      </button>
     </div>
+
+    <label class="block">
+      <span class="sr-only">{{ t('send.expiration.method') }}</span>
+      <div class="relative">
+      <select
+        :value="expirationMethod"
+        class="min-h-11 w-full cursor-pointer appearance-none rounded-xl border py-2.5 pl-4 pr-11 text-sm font-medium outline-none transition-colors focus:ring-2 focus:ring-indigo-500"
+        :class="controlClass"
+        :aria-label="t('send.expiration.method')"
+        @change="updateMethod"
+      >
+        <option v-for="option in options" :key="option.value" :value="option.value">
+          {{ option.label }}
+        </option>
+      </select>
+      <ChevronDownIcon class="pointer-events-none absolute right-4 top-1/2 h-4 w-4 -translate-y-1/2 opacity-70" aria-hidden="true" />
+      </div>
+    </label>
   </div>
 </template>
 
 <script setup lang="ts">
-import { inject } from 'vue'
+import { computed, inject } from 'vue'
+import { ChevronDownIcon, MinusIcon, PlusIcon } from 'lucide-vue-next'
 import { useI18n } from 'vue-i18n'
 
 const { t } = useI18n()
@@ -139,10 +69,7 @@ const { t } = useI18n()
 interface Props {
   expirationMethod: string
   expirationValue: string
-  options: Array<{
-    label: string
-    value: string
-  }>
+  options: Array<{ label: string; value: string }>
 }
 
 interface Emits {
@@ -154,34 +81,32 @@ const props = defineProps<Props>()
 const emit = defineEmits<Emits>()
 const isDarkMode = inject('isDarkMode')
 
+const numericValue = computed(() => Math.max(1, Number.parseInt(props.expirationValue) || 1))
+const controlClass = computed(() =>
+  isDarkMode
+    ? 'border-gray-600 bg-gray-800/70 text-gray-100 hover:border-gray-500'
+    : 'border-gray-300 bg-white text-gray-900 hover:border-gray-400'
+)
+
 const updateMethod = (event: Event) => {
-  const target = event.target as HTMLSelectElement
-  emit('update:expirationMethod', target.value)
+  emit('update:expirationMethod', (event.target as HTMLSelectElement).value)
 }
 
 const updateValue = (event: Event) => {
-  const target = event.target as HTMLInputElement
-  emit('update:expirationValue', target.value)
+  emit('update:expirationValue', (event.target as HTMLInputElement).value)
 }
 
 const incrementValue = (delta: number) => {
-  const currentValue = parseInt(props.expirationValue) || 0
-  const newValue = Math.max(1, currentValue + delta)
-  emit('update:expirationValue', newValue.toString())
+  emit('update:expirationValue', Math.max(1, numericValue.value + delta).toString())
 }
 
 const getPlaceholder = () => {
   switch (props.expirationMethod) {
-    case 'count':
-      return t('send.expiration.placeholders.count')
-    case 'minute':
-      return t('send.expiration.placeholders.minutes')
-    case 'hour':
-      return t('send.expiration.placeholders.hours')
-    case 'day':
-      return t('send.expiration.placeholders.days')
-    default:
-      return t('send.expiration.placeholders.default')
+    case 'count': return t('send.expiration.placeholders.count')
+    case 'minute': return t('send.expiration.placeholders.minutes')
+    case 'hour': return t('send.expiration.placeholders.hours')
+    case 'day': return t('send.expiration.placeholders.days')
+    default: return t('send.expiration.placeholders.default')
   }
 }
 </script>
diff --git a/src/components/common/FileRecordList.vue b/src/components/common/FileRecordList.vue
index ff423f8..7222e80 100644
--- a/src/components/common/FileRecordList.vue
+++ b/src/components/common/FileRecordList.vue
@@ -1,114 +1,52 @@
 <template>
-  <div class="flex-grow overflow-y-auto p-6">
-    <transition-group name="list" tag="div" class="space-y-4">
-      <div
+  <div class="flex-grow overflow-y-auto p-3 sm:p-6">
+    <div v-if="records.length === 0" class="py-12 text-center text-sm" :class="isDarkMode ? 'text-gray-400' : 'text-gray-600'">
+      {{ t('drawer.noRecords') }}
+    </div>
+    <transition-group v-else name="list" tag="div" class="space-y-3 sm:space-y-4">
+      <article
         v-for="record in records"
         :key="record.id"
-        class="bg-opacity-50 rounded-lg p-4 flex items-center shadow-md hover:shadow-lg transition duration-300 transform hover:scale-102"
+        class="rounded-xl bg-opacity-50 p-4 shadow-md transition duration-200 hover:shadow-lg"
         :class="[isDarkMode ? 'bg-gray-800 hover:bg-gray-700' : 'bg-gray-100 hover:bg-white']"
       >
-        <div class="flex-shrink-0 mr-4">
-          <FileIcon
-            class="w-10 h-10"
-            :class="[isDarkMode ? 'text-indigo-400' : 'text-indigo-600']"
-          />
+        <div class="flex min-w-0 items-center gap-3">
+          <FileIcon class="h-9 w-9 shrink-0" :class="[isDarkMode ? 'text-indigo-400' : 'text-indigo-600']" aria-hidden="true" />
+          <div class="min-w-0 flex-1">
+            <p class="truncate text-base font-medium" :title="record.filename" :class="[isDarkMode ? 'text-white' : 'text-gray-800']">{{ record.filename }}</p>
+            <p class="truncate text-sm" :class="[isDarkMode ? 'text-gray-400' : 'text-gray-600']">{{ record.date }} · {{ record.size }}</p>
+          </div>
         </div>
-        <div class="flex-grow min-w-0 mr-4">
-          <p
-            class="font-medium text-lg truncate"
-            :class="[isDarkMode ? 'text-white' : 'text-gray-800']"
-          >
-            {{ record.filename }}
-          </p>
-          <p
-            class="text-sm truncate"
-            :class="[isDarkMode ? 'text-gray-400' : 'text-gray-600']"
-          >
-            {{ record.date }} · {{ record.size }}
-          </p>
-        </div>
-        <div class="flex-shrink-0 flex space-x-2">
-          <button
-            type="button"
-            :aria-label="t('fileRecord.viewDetails')"
-            :title="t('fileRecord.viewDetails')"
-            @click="$emit('view-details', record)"
-            class="flex h-11 w-11 items-center justify-center rounded-full transition duration-200 hover:bg-opacity-20"
-            :class="[
-              isDarkMode
-                ? 'hover:bg-indigo-400 text-indigo-400'
-                : 'hover:bg-indigo-100 text-indigo-600'
-            ]"
-          >
-            <EyeIcon class="w-5 h-5" />
+        <div class="mt-3 grid grid-cols-3 gap-2">
+          <button type="button" class="flex min-h-11 items-center justify-center rounded-xl px-2 text-xs font-medium" :class="actionClass" @click="$emit('view-details', record)">
+            <EyeIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />{{ t('common.fileDetails') }}
           </button>
-          <button
-            type="button"
-            :aria-label="t('fileRecord.download')"
-            :title="t('fileRecord.download')"
-            @click="$emit('download-record', record)"
-            class="flex h-11 w-11 items-center justify-center rounded-full transition duration-200 hover:bg-opacity-20"
-            :class="[
-              isDarkMode
-                ? 'hover:bg-green-400 text-green-400'
-                : 'hover:bg-green-100 text-green-600'
-            ]"
-          >
-            <DownloadIcon class="w-5 h-5" />
+          <button type="button" class="flex min-h-11 items-center justify-center rounded-xl px-2 text-xs font-medium" :class="actionClass" @click="$emit('download-record', record)">
+            <DownloadIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />{{ t('fileRecord.download') }}
           </button>
-          <button
-            type="button"
-            :aria-label="t('fileRecord.deleteRecord')"
-            :title="t('fileRecord.deleteRecord')"
-            @click="$emit('delete-record', record.id)"
-            class="flex h-11 w-11 items-center justify-center rounded-full transition duration-200 hover:bg-opacity-20"
-            :class="[
-              isDarkMode ? 'hover:bg-red-400 text-red-400' : 'hover:bg-red-100 text-red-600'
-            ]"
-          >
-            <TrashIcon class="w-5 h-5" />
+          <button type="button" class="flex min-h-11 items-center justify-center rounded-xl bg-red-600 px-2 text-xs font-medium text-white hover:bg-red-700" @click="$emit('delete-record', record.id)">
+            <TrashIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />{{ t('common.delete') }}
           </button>
         </div>
-      </div>
+      </article>
     </transition-group>
   </div>
 </template>
 
 <script setup lang="ts">
-import { inject } from 'vue'
+import { computed, inject } from 'vue'
 import { FileIcon, EyeIcon, DownloadIcon, TrashIcon } from 'lucide-vue-next'
-import type { ReceivedFileRecord } from '@/types'
 import { useI18n } from 'vue-i18n'
+import type { ReceivedFileRecord } from '@/types'
 
-interface Props {
-  records: ReceivedFileRecord[]
-}
-
-interface Emits {
-  'view-details': [record: ReceivedFileRecord]
-  'download-record': [record: ReceivedFileRecord]
-  'delete-record': [id: number]
-}
-
-defineProps<Props>()
-defineEmits<Emits>()
-const isDarkMode = inject('isDarkMode')
+defineProps<{ records: ReceivedFileRecord[] }>()
+defineEmits<{ 'view-details': [record: ReceivedFileRecord]; 'download-record': [record: ReceivedFileRecord]; 'delete-record': [id: number] }>()
 const { t } = useI18n()
+const isDarkMode = inject('isDarkMode')
+const actionClass = computed(() => isDarkMode ? 'bg-gray-700 text-gray-200 hover:bg-gray-600' : 'bg-white text-gray-700 hover:bg-gray-200')
 </script>
 
 <style scoped>
-.list-enter-active,
-.list-leave-active {
-  transition: all 0.3s ease;
-}
-
-.list-enter-from,
-.list-leave-to {
-  opacity: 0;
-  transform: translateX(30px);
-}
-
-.list-move {
-  transition: transform 0.3s ease;
-}
+.list-enter-active, .list-leave-active, .list-move { transition: all 0.24s ease; }
+.list-enter-from, .list-leave-to { opacity: 0; transform: translateX(20px); }
 </style>
diff --git a/src/components/common/FileUploadArea.vue b/src/components/common/FileUploadArea.vue
index cff37d5..a992ca0 100644
--- a/src/components/common/FileUploadArea.vue
+++ b/src/components/common/FileUploadArea.vue
@@ -66,7 +66,7 @@
       <span v-if="selectedFiles && selectedFiles.length > 1" class="block">
         <span v-for="(f, i) in selectedFiles" :key="i" class="block truncate">{{ f.name }}</span>
       </span>
-      <span v-else class="block truncate">
+      <span v-else class="block break-words line-clamp-2">
         {{ displayText }}
       </span>
     </p>
@@ -111,8 +111,9 @@
     <!-- 错误重试按钮 -->
     <button
       v-if="hasError && allowRetry"
+      type="button"
       @click.stop="handleRetry"
-      class="mt-3 px-4 py-2 text-sm rounded-lg transition-colors duration-200"
+      class="mt-3 min-h-11 rounded-lg px-4 py-2 text-sm transition-colors duration-200"
       :class="[
         isDarkMode
           ? 'bg-indigo-600 hover:bg-indigo-500 text-white'
diff --git a/src/components/common/NativeDateSelect.vue b/src/components/common/NativeDateSelect.vue
index d32df21..c364047 100644
--- a/src/components/common/NativeDateSelect.vue
+++ b/src/components/common/NativeDateSelect.vue
@@ -214,26 +214,31 @@ const updatePart = (part: DatePart, value: string) => {
 
 @media (max-width: 639px) {
   :global(.analytics-date-range) {
-    --native-date-width: min(34vw, 8.1rem);
+    --native-date-width: 100%;
+    display: grid !important;
+    width: 100%;
+    grid-template-columns: minmax(0, 1fr);
+    gap: 0.5rem !important;
   }
 
   .native-date-strip {
-    min-height: clamp(2.35rem, 11vw, 2.75rem);
-    padding-inline: clamp(0.32ch, 1vw, 0.55ch);
+    min-height: 2.75rem;
+    padding-inline: 0.5rem;
   }
 
   .native-date-part {
-    height: clamp(2.25rem, 10.5vw, 2.65rem);
-    font-size: clamp(0.8rem, 3.65vw, 0.95rem);
+    height: 2.75rem;
+    min-width: 2.75rem;
+    font-size: 0.9rem;
   }
 
   .native-date-year {
-    width: 4ch;
+    width: 5.25rem;
   }
 
   .native-date-month,
   .native-date-day {
-    width: 2ch;
+    width: 2.75rem;
   }
 
   .native-date-separator {
diff --git a/src/components/common/PageFooter.vue b/src/components/common/PageFooter.vue
index 5ab5f5e..57e1c2e 100644
--- a/src/components/common/PageFooter.vue
+++ b/src/components/common/PageFooter.vue
@@ -10,7 +10,7 @@
     </div>
 
     <div
-      class="px-8 py-4 bg-opacity-50 flex justify-between items-center"
+      class="flex items-center justify-between gap-3 bg-opacity-50 px-4 py-3 sm:px-8 sm:py-4"
       :class="[isDarkMode ? 'bg-gray-800' : 'bg-gray-100']"
     >
       <span
@@ -20,7 +20,7 @@
         <ShieldCheckIcon class="w-4 h-4 mr-1 text-green-400" />
         {{ t('send.secureEncryption') }}
       </span>
-      <div class="flex items-center space-x-4">
+      <div class="flex items-center gap-2 sm:gap-4">
         <router-link
           to="/login"
           class="flex h-11 w-11 items-center justify-center rounded-lg text-sm transition duration-200 hover:bg-[#dcebed] dark:hover:bg-[#294047]"
diff --git a/src/components/common/SentRecordList.vue b/src/components/common/SentRecordList.vue
index 91d9b6c..7e367f7 100644
--- a/src/components/common/SentRecordList.vue
+++ b/src/components/common/SentRecordList.vue
@@ -1,103 +1,56 @@
 <template>
-  <div class="flex-grow overflow-y-auto p-6">
-    <transition-group name="list" tag="div" class="space-y-4">
-      <div
+  <div class="flex-grow overflow-y-auto p-3 sm:p-6">
+    <div v-if="records.length === 0" class="py-12 text-center text-sm" :class="isDarkMode ? 'text-gray-400' : 'text-gray-600'">
+      {{ t('drawer.noRecords') }}
+    </div>
+    <transition-group v-else name="list" tag="div" class="space-y-3 sm:space-y-4">
+      <article
         v-for="record in records"
         :key="record.id"
-        class="bg-opacity-50 rounded-lg p-4 flex items-center shadow-md hover:shadow-lg transition duration-300 transform hover:scale-102"
+        class="rounded-xl bg-opacity-50 p-4 shadow-md transition duration-200 hover:shadow-lg"
         :class="[isDarkMode ? 'bg-gray-800 hover:bg-gray-700' : 'bg-gray-100 hover:bg-white']"
       >
-        <div class="flex-shrink-0 mr-4">
-          <FileIcon
-            class="w-10 h-10"
-            :class="[isDarkMode ? 'text-indigo-400' : 'text-indigo-600']"
-          />
+        <div class="flex min-w-0 items-center gap-3">
+          <FileIcon class="h-9 w-9 shrink-0" :class="[isDarkMode ? 'text-indigo-400' : 'text-indigo-600']" aria-hidden="true" />
+          <div class="min-w-0 flex-1">
+            <p class="truncate text-base font-medium" :title="record.filename || 'Text'" :class="[isDarkMode ? 'text-white' : 'text-gray-800']">
+              {{ record.filename || 'Text' }}
+            </p>
+            <p class="truncate text-sm" :class="[isDarkMode ? 'text-gray-400' : 'text-gray-600']">
+              {{ record.date }} · {{ record.size }}
+            </p>
+          </div>
         </div>
-        <div class="flex-grow min-w-0 mr-4">
-          <p
-            class="font-medium text-lg truncate"
-            :class="[isDarkMode ? 'text-white' : 'text-gray-800']"
-          >
-            {{ record.filename ? record.filename : 'Text' }}
-          </p>
-          <p class="text-sm truncate" :class="[isDarkMode ? 'text-gray-400' : 'text-gray-600']">
-            {{ record.date }} · {{ record.size }}
-          </p>
-        </div>
-        <div class="flex-shrink-0 flex space-x-2">
-          <button
-            type="button"
-            :aria-label="t('common.copy')"
-            :title="t('common.copy')"
-            @click="$emit('copy-link', record)"
-            class="flex h-11 w-11 items-center justify-center rounded-full transition duration-200 hover:bg-opacity-20"
-            :class="[
-              isDarkMode ? 'hover:bg-blue-400 text-blue-400' : 'hover:bg-blue-100 text-blue-600'
-            ]"
-          >
-            <ClipboardCopyIcon class="w-5 h-5" />
+        <div class="mt-3 grid grid-cols-3 gap-2">
+          <button type="button" class="flex min-h-11 items-center justify-center rounded-xl px-2 text-xs font-medium" :class="actionClass" @click="$emit('copy-link', record)">
+            <ClipboardCopyIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />{{ t('common.copy') }}
           </button>
-          <button
-            type="button"
-            :aria-label="t('fileRecord.viewDetails')"
-            :title="t('fileRecord.viewDetails')"
-            @click="$emit('view-details', record)"
-            class="flex h-11 w-11 items-center justify-center rounded-full transition duration-200 hover:bg-opacity-20"
-            :class="[
-              isDarkMode
-                ? 'hover:bg-green-400 text-green-400'
-                : 'hover:bg-green-100 text-green-600'
-            ]"
-          >
-            <EyeIcon class="w-5 h-5" />
+          <button type="button" class="flex min-h-11 items-center justify-center rounded-xl px-2 text-xs font-medium" :class="actionClass" @click="$emit('view-details', record)">
+            <EyeIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />{{ t('common.fileDetails') }}
           </button>
-          <button
-            type="button"
-            :aria-label="t('fileRecord.deleteRecord')"
-            :title="t('fileRecord.deleteRecord')"
-            @click="$emit('delete-record', record.id)"
-            class="flex h-11 w-11 items-center justify-center rounded-full transition duration-200 hover:bg-opacity-20"
-            :class="[
-              isDarkMode ? 'hover:bg-red-400 text-red-400' : 'hover:bg-red-100 text-red-600'
-            ]"
-          >
-            <TrashIcon class="w-5 h-5" />
+          <button type="button" class="flex min-h-11 items-center justify-center rounded-xl bg-red-600 px-2 text-xs font-medium text-white hover:bg-red-700" @click="$emit('delete-record', record.id)">
+            <TrashIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />{{ t('common.delete') }}
           </button>
         </div>
-      </div>
+      </article>
     </transition-group>
   </div>
 </template>
 
 <script setup lang="ts">
-import { inject } from 'vue'
+import { computed, inject } from 'vue'
 import { ClipboardCopyIcon, EyeIcon, FileIcon, TrashIcon } from 'lucide-vue-next'
-import type { SentFileRecord } from '@/types'
 import { useI18n } from 'vue-i18n'
+import type { SentFileRecord } from '@/types'
 
-defineProps<{
-  records: SentFileRecord[]
-}>()
-
-defineEmits<{
-  'copy-link': [record: SentFileRecord]
-  'view-details': [record: SentFileRecord]
-  'delete-record': [id: number]
-}>()
-
-const isDarkMode = inject('isDarkMode')
+defineProps<{ records: SentFileRecord[] }>()
+defineEmits<{ 'copy-link': [record: SentFileRecord]; 'view-details': [record: SentFileRecord]; 'delete-record': [id: number] }>()
 const { t } = useI18n()
+const isDarkMode = inject('isDarkMode')
+const actionClass = computed(() => isDarkMode ? 'bg-gray-700 text-gray-200 hover:bg-gray-600' : 'bg-white text-gray-700 hover:bg-gray-200')
 </script>
 
 <style scoped>
-.list-enter-active,
-.list-leave-active {
-  transition: all 0.5s ease;
-}
-
-.list-enter-from,
-.list-leave-to {
-  opacity: 0;
-  transform: translateX(30px);
-}
+.list-enter-active, .list-leave-active { transition: all 0.24s ease; }
+.list-enter-from, .list-leave-to { opacity: 0; transform: translateX(20px); }
 </style>
diff --git a/src/components/common/StatCard.vue b/src/components/common/StatCard.vue
index 8aacf85..e1bdb12 100644
--- a/src/components/common/StatCard.vue
+++ b/src/components/common/StatCard.vue
@@ -12,7 +12,7 @@
         <p class="line-clamp-2 text-xs leading-tight sm:text-sm" :title="title" :class="[isDarkMode ? 'text-gray-300' : 'text-gray-600']">
           {{ title }}
         </p>
-        <h3 class="mt-1 break-words text-xl font-bold leading-tight tabular-nums sm:text-2xl" :title="String(value)" :class="[isDarkMode ? 'text-white' : 'text-gray-800']">
+        <h3 class="mt-1 whitespace-nowrap text-lg font-bold leading-tight tabular-nums sm:text-2xl" :title="String(value)" :class="[isDarkMode ? 'text-white' : 'text-gray-800']">
           {{ value }}
         </h3>
       </div>
diff --git a/src/composables/useAdminLogin.ts b/src/composables/useAdminLogin.ts
index ce6a219..8146e49 100644
--- a/src/composables/useAdminLogin.ts
+++ b/src/composables/useAdminLogin.ts
@@ -3,8 +3,10 @@ import { AuthService } from '@/services'
 import { useAdminStore } from '@/stores/adminStore'
 import { useAlertStore } from '@/stores/alertStore'
 import { getErrorMessage } from '@/utils/common'
+import { useI18n } from 'vue-i18n'
 
 export function useAdminLogin() {
+  const { t } = useI18n()
   const alertStore = useAlertStore()
   const adminStore = useAdminStore()
   const password = ref('')
@@ -12,12 +14,12 @@ export function useAdminLogin() {
 
   const validateForm = () => {
     if (!password.value) {
-      alertStore.showAlert('无效的密码', 'error')
+      alertStore.showAlert(t('manage.login.invalidPassword'), 'error')
       return false
     }
 
     if (password.value.length < 6) {
-      alertStore.showAlert('密码长度至少为6位', 'error')
+      alertStore.showAlert(t('manage.login.passwordTooShort'), 'error')
       return false
     }
 
@@ -31,7 +33,7 @@ export function useAdminLogin() {
     try {
       const response = await AuthService.login(password.value)
       if (!response.detail?.token) {
-        alertStore.showAlert('登录失败：未获取到有效令牌', 'error')
+        alertStore.showAlert(t('manage.login.noValidToken'), 'error')
         return false
       }
 
@@ -44,7 +46,7 @@ export function useAdminLogin() {
       })
       return true
     } catch (error: unknown) {
-      alertStore.showAlert(getErrorMessage(error, '登录失败'), 'error')
+      alertStore.showAlert(getErrorMessage(error, t('manage.login.loginFailed')), 'error')
       return false
     } finally {
       isLoading.value = false
diff --git a/src/composables/useRetrieveFlow.ts b/src/composables/useRetrieveFlow.ts
index e287a84..8d1574a 100644
--- a/src/composables/useRetrieveFlow.ts
+++ b/src/composables/useRetrieveFlow.ts
@@ -174,6 +174,7 @@ export function useRetrieveFlow() {
   }
 
   const deleteRecord = (id: number) => {
+    if (!window.confirm(t('fileRecord.deleteRecordConfirm'))) return
     const index = records.value.findIndex((record) => record.id === id)
     if (index !== -1) {
       fileStore.deleteReceiveData(index)
diff --git a/src/composables/useSendFlow.ts b/src/composables/useSendFlow.ts
index 3f6a6b8..9440e9e 100644
--- a/src/composables/useSendFlow.ts
+++ b/src/composables/useSendFlow.ts
@@ -300,6 +300,7 @@ export function useSendFlow() {
   }
 
   const deleteRecord = (id: number) => {
+    if (!window.confirm(t('fileRecord.deleteRecordConfirm'))) return
     const index = fileDataStore.shareData.findIndex((record) => record.id === id)
     if (index !== -1) {
       fileDataStore.deleteShareData(index)
diff --git a/src/i18n/locales/en-US.ts b/src/i18n/locales/en-US.ts
index 80bb11c..38cca97 100644
--- a/src/i18n/locales/en-US.ts
+++ b/src/i18n/locales/en-US.ts
@@ -27,6 +27,7 @@ export default {
     info: 'Information',
     search: 'Search',
     copy: 'Copy',
+    more: 'More',
     uploadSuccess: 'Upload successful',
     uploadFailed: 'Upload failed',
     copySuccess: 'Copy successful',
@@ -311,7 +312,7 @@ export default {
     },
     submit: 'Secure Send',
     submitting: 'Sending...',
-    needRetrieveFile: 'Need to retrieve? Click here',
+    needRetrieveFile: 'Retrieve a file',
     sendRecords: 'Send Records',
     secureEncryption: 'Secure Encryption',
     workspace: {
@@ -405,6 +406,7 @@ export default {
     download: 'Download',
     viewDetails: 'View Details',
     deleteRecord: 'Delete Record',
+    deleteRecordConfirm: 'Delete this local record? The file on the server will not be deleted.',
     preview: 'Preview',
     copyContent: 'Copy Content',
     contentCopied: 'Content copied to clipboard',
@@ -510,6 +512,8 @@ export default {
     previewFallback: 'Preview endpoint unavailable; using text from the list',
     selectCurrentPage: 'Select current page',
     selectedCount: '{count} selected',
+    mobileBatchActions: 'Mobile batch actions',
+    policyActionsLabel: 'Policy',
     selectFile: 'Select {name}',
     clearSelection: 'Clear Selection',
     batchDelete: 'Batch Delete',
@@ -774,11 +778,13 @@ export default {
       refreshConfig: 'Refresh Config',
       refreshing: 'Refreshing',
       saving: 'Saving',
-      unsavedChanges: 'Unsaved configuration changes',
-      allChangesSaved: 'All configuration changes are saved',
+      unsavedChanges: 'Unsaved changes',
+      allChangesSaved: 'Saved',
       refreshBlocked: 'Save current changes before refreshing'
       ,sectionNavigation: 'Settings section navigation'
       ,reloadSaved: 'Reload saved settings'
+      ,discardChanges: 'Discard changes'
+      ,discardChangesConfirm: 'Discard unsaved changes and reload the saved settings?'
       ,robotsWarning: 'A Disallow: / rule blocks search engines from crawling the entire site.'
       ,fileSizeUnit: 'File size unit'
       ,timeUnit: 'Time unit'
@@ -965,6 +971,7 @@ export default {
   // Components
   components: {
     pagination: {
+      navigation: 'Pagination',
       range: 'Showing {start} to {end} of {total}',
       pageSize: 'Items per page',
       perPage: '{size}/page',
diff --git a/src/i18n/locales/zh-CN.ts b/src/i18n/locales/zh-CN.ts
index f282d13..a2b135b 100644
--- a/src/i18n/locales/zh-CN.ts
+++ b/src/i18n/locales/zh-CN.ts
@@ -27,6 +27,7 @@ export default {
     info: '信息',
     search: '搜索',
     copy: '复制',
+    more: '更多',
     uploadSuccess: '上传成功',
     uploadFailed: '上传失败',
     copySuccess: '复制成功',
@@ -311,7 +312,7 @@ export default {
     },
     submit: '安全寄送',
     submitting: '发送中...',
-    needRetrieveFile: '需要取件？点击这里',
+    needRetrieveFile: '前往取件',
     sendRecords: '发件记录',
     secureEncryption: '安全加密',
     workspace: {
@@ -508,6 +509,8 @@ export default {
     previewFallback: '预览接口不可用，已使用列表中的文本内容',
     selectCurrentPage: '选择当前页',
     selectedCount: '已选择 {count} 项',
+    mobileBatchActions: '移动端批量操作',
+    policyActionsLabel: '策略',
     selectFile: '选择 {name}',
     clearSelection: '清空选择',
     batchDelete: '批量删除',
@@ -704,6 +707,7 @@ export default {
     download: '下载',
     viewDetails: '查看详情',
     deleteRecord: '删除记录',
+    deleteRecordConfirm: '确认删除这条本地记录？此操作不会删除服务器上的文件。',
     preview: '预览',
     copyContent: '复制内容',
     contentCopied: '内容已复制到剪贴板',
@@ -802,11 +806,13 @@ export default {
       refreshConfig: '刷新配置',
       refreshing: '刷新中',
       saving: '保存中',
-      unsavedChanges: '有未保存的配置变更',
-      allChangesSaved: '所有配置已保存',
+      unsavedChanges: '有未保存修改',
+      allChangesSaved: '已保存',
       refreshBlocked: '请先保存当前变更再刷新'
       ,sectionNavigation: '设置分区导航'
       ,reloadSaved: '重新加载已保存配置'
+      ,discardChanges: '放弃修改'
+      ,discardChangesConfirm: '确认放弃当前未保存的修改并重新加载已保存配置？'
       ,robotsWarning: '如果包含 Disallow: /，搜索引擎将无法抓取整个站点。'
       ,fileSizeUnit: '文件大小单位'
       ,timeUnit: '时间单位'
@@ -985,6 +991,7 @@ export default {
   // 组件相关
   components: {
     pagination: {
+      navigation: '分页导航',
       range: '显示第 {start} 到 {end} 条，共 {total} 条',
       pageSize: '每页显示数量',
       perPage: '{size}/页',
diff --git a/src/layout/AdminLayout/AdminLayout.vue b/src/layout/AdminLayout/AdminLayout.vue
index a622b86..56b016e 100644
--- a/src/layout/AdminLayout/AdminLayout.vue
+++ b/src/layout/AdminLayout/AdminLayout.vue
@@ -3,8 +3,17 @@
     class="flex h-screen overflow-hidden flex-col transition-colors duration-300 lg:flex-row"
     :class="[isDarkMode ? 'bg-[#10191e]' : 'bg-[#dfe9eb]']"
   >
+    <button
+      v-if="isSidebarOpen"
+      type="button"
+      class="fixed inset-0 z-40 bg-black/45 backdrop-blur-[1px] lg:hidden"
+      :aria-label="t('common.closeMenu')"
+      @click="closeSidebar"
+    />
+
     <!-- Sidebar -->
     <aside
+      ref="sidebarRef"
       class="fixed inset-y-0 left-0 z-50 flex h-full w-64 shrink-0 transform flex-col border-r lg:relative lg:h-screen lg:translate-x-0"
       :class="[
         isDarkMode
@@ -38,7 +47,7 @@
             {{ t('common.appName') }}
           </h1>
         </div>
-        <button type="button" :aria-label="t('common.closeMenu')" :title="t('common.closeMenu')" @click="toggleSidebar" class="flex h-11 w-11 items-center justify-center rounded-lg lg:hidden">
+        <button type="button" :aria-label="t('common.closeMenu')" :title="t('common.closeMenu')" @click="closeSidebar" class="flex h-11 w-11 items-center justify-center rounded-lg lg:hidden">
           <XIcon class="w-6 h-6" :class="[isDarkMode ? 'text-gray-400' : 'text-gray-600']" />
         </button>
       </div>
@@ -93,7 +102,7 @@
         :class="[isDarkMode ? 'bg-[#1a2930] border-[#31454d]' : 'bg-[#f2f6f5] border-[#c8d7da]']"
       >
         <div class="flex h-14 items-center justify-between px-4">
-          <button type="button" :aria-label="t('common.openMenu')" :title="t('common.openMenu')" @click="toggleSidebar" class="flex h-11 w-11 items-center justify-center rounded-lg lg:hidden">
+          <button ref="menuButtonRef" type="button" :aria-label="t('common.openMenu')" :title="t('common.openMenu')" :aria-expanded="isSidebarOpen" @click="openSidebar" class="flex h-11 w-11 items-center justify-center rounded-lg lg:hidden">
             <MenuIcon class="w-6 h-6" :class="[isDarkMode ? 'text-gray-400' : 'text-gray-600']" />
           </button>
         </div>
@@ -111,7 +120,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, inject, onMounted, onUnmounted } from 'vue'
+import { ref, inject, nextTick, onMounted, onUnmounted, watch } from 'vue'
 import {
   BoxIcon,
   MenuIcon,
@@ -160,16 +169,36 @@ const menuItems: MenuItem[] = [
 ]
 
 const isSidebarOpen = ref(true)
-const toggleSidebar = () => {
-  isSidebarOpen.value = !isSidebarOpen.value
+const sidebarRef = ref<HTMLElement | null>(null)
+const menuButtonRef = ref<HTMLButtonElement | null>(null)
+
+const openSidebar = async () => {
+  isSidebarOpen.value = true
+  await nextTick()
+  sidebarRef.value?.querySelector<HTMLElement>('button, a[href]')?.focus()
+}
+const closeSidebar = async () => {
+  isSidebarOpen.value = false
+  await nextTick()
+  menuButtonRef.value?.focus()
 }
 
 const closeSidebarForMobile = () => {
   if (window.innerWidth < 1024) {
-    isSidebarOpen.value = false
+    void closeSidebar()
   }
 }
 
+const handleEscape = (event: KeyboardEvent) => {
+  if (event.key === 'Escape' && window.innerWidth < 1024 && isSidebarOpen.value) {
+    void closeSidebar()
+  }
+}
+
+watch(isSidebarOpen, (open) => {
+  if (window.innerWidth < 1024) document.body.style.overflow = open ? 'hidden' : ''
+})
+
 // 响应式处理
 const handleResize = () => {
   if (window.innerWidth >= 1024) {
@@ -182,6 +211,7 @@ const handleResize = () => {
 onMounted(() => {
   handleResize()
   window.addEventListener('resize', handleResize)
+  window.addEventListener('keydown', handleEscape)
   void verifySession().then((isValid) => {
     if (!isValid) {
       void router.push(ROUTES.LOGIN)
@@ -191,6 +221,8 @@ onMounted(() => {
 
 onUnmounted(() => {
   window.removeEventListener('resize', handleResize)
+  window.removeEventListener('keydown', handleEscape)
+  document.body.style.overflow = ''
 })
 
 // 登出处理
diff --git a/src/stores/alertStore.ts b/src/stores/alertStore.ts
index d4318c5..f6d5e80 100644
--- a/src/stores/alertStore.ts
+++ b/src/stores/alertStore.ts
@@ -17,6 +17,7 @@ export const useAlertStore = defineStore('alert', {
       const id = Date.now()
       const startTime = Date.now()
       this.alerts.push({ id, message, type, progress: 100, duration, startTime })
+      this.startProgressTimer()
       setTimeout(() => this.removeAlert(id), duration)
     },
     removeAlert(id: number) {
@@ -24,6 +25,7 @@ export const useAlertStore = defineStore('alert', {
       if (index > -1) {
         this.alerts.splice(index, 1)
       }
+      if (this.alerts.length === 0) this.stopProgressTimer()
     },
     updateAlertProgress(id: number) {
       const alert = this.alerts.find((a) => a.id === id)
diff --git a/src/utils/content-preview.ts b/src/utils/content-preview.ts
index 7d172b8..81ed24d 100644
--- a/src/utils/content-preview.ts
+++ b/src/utils/content-preview.ts
@@ -1,6 +1,3 @@
-import { marked } from 'marked'
-import DOMPurify from 'dompurify'
-
 const MARKDOWN_ALLOWED_TAGS = [
   'p',
   'br',
@@ -27,6 +24,10 @@ const MARKDOWN_ALLOWED_ATTR = ['href', 'src', 'alt', 'title', 'class']
 
 export async function renderMarkdownPreview(content: string): Promise<string> {
   try {
+    const [{ marked }, { default: DOMPurify }] = await Promise.all([
+      import('marked'),
+      import('dompurify')
+    ])
     const rawHtml = await marked(content)
     return DOMPurify.sanitize(rawHtml, {
       ALLOWED_TAGS: MARKDOWN_ALLOWED_TAGS,
diff --git a/src/utils/file-processing.ts b/src/utils/file-processing.ts
index ba91f76..4f00fb1 100644
--- a/src/utils/file-processing.ts
+++ b/src/utils/file-processing.ts
@@ -1,5 +1,3 @@
-import JSZip from 'jszip'
-
 const SMALL_FILE_HASH_LIMIT = 10 * 1024 * 1024
 const LARGE_FILE_HASH_CHUNK_SIZE = 5 * 1024 * 1024
 
@@ -47,6 +45,7 @@ export const calculateFileHash = async (file: File): Promise<string> => {
 }
 
 export const packFilesAsZip = async (files: File[]): Promise<File> => {
+  const { default: JSZip } = await import('jszip')
   const zip = new JSZip()
   for (const file of files) {
     zip.file(file.name, file)
diff --git a/src/views/RetrievewFileView.vue b/src/views/RetrievewFileView.vue
index 8448a37..03b1513 100644
--- a/src/views/RetrievewFileView.vue
+++ b/src/views/RetrievewFileView.vue
@@ -1,6 +1,6 @@
 <template>
   <div
-    class="min-h-screen flex items-center justify-center p-4 overflow-hidden transition-colors duration-300"
+    class="min-h-[100dvh] flex items-center justify-center overflow-x-hidden overflow-y-auto px-4 pb-6 pt-24 transition-colors duration-300 sm:py-4"
   >
     <div class="w-full max-w-md relative z-10">
       <div
diff --git a/src/views/SendFileView.vue b/src/views/SendFileView.vue
index e5b2dfd..5a32bcd 100644
--- a/src/views/SendFileView.vue
+++ b/src/views/SendFileView.vue
@@ -1,6 +1,6 @@
 <template>
   <div
-    class="min-h-screen flex items-center justify-center p-4 overflow-hidden transition-colors duration-300"
+    class="min-h-[100dvh] flex items-center justify-center overflow-x-hidden overflow-y-auto px-4 pb-6 pt-24 transition-colors duration-300 sm:py-4"
     @paste.prevent="handlePaste"
   >
     <div
@@ -11,7 +11,7 @@
           : 'bg-white border-gray-200'
       ]"
     >
-      <div class="p-8">
+      <div class="p-6 sm:p-8">
         <PageHeader :title="config.name" @title-click="toRetrieve" />
         <form @submit.prevent="handleSubmit" class="space-y-8">
           <SendTypeSelector
@@ -82,14 +82,14 @@
           </button>
         </form>
         <div class="mt-6 text-center">
-          <router-link to="/" class="inline-flex min-h-11 items-center rounded-lg px-3 text-[#3f6a77] transition duration-200 hover:bg-[#dcebed] hover:text-[#315c69] dark:text-[#b8d4dc] dark:hover:bg-[#294047]">
+          <router-link to="/" class="inline-flex min-h-11 items-center rounded-lg px-2 text-sm text-[#3f6a77] transition duration-200 hover:bg-[#dcebed] hover:text-[#315c69] dark:text-[#b8d4dc] dark:hover:bg-[#294047] sm:px-3 sm:text-base">
             {{ t('send.needRetrieveFile') }}
           </router-link>
         </div>
       </div>
 
       <div
-        class="px-8 py-4 bg-opacity-50 flex justify-between items-center"
+        class="flex items-center justify-between gap-3 bg-opacity-50 px-4 py-3 sm:px-8 sm:py-4"
         :class="[isDarkMode ? 'bg-gray-800' : 'bg-gray-100']"
       >
         <span
diff --git a/src/views/manage/DashboardView.vue b/src/views/manage/DashboardView.vue
index 983a8c7..21c9438 100644
--- a/src/views/manage/DashboardView.vue
+++ b/src/views/manage/DashboardView.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="p-4 sm:p-6">
-    <div class="mb-6 flex flex-col gap-2 sm:flex-row sm:items-end sm:justify-between">
+    <div class="mb-6 flex items-end justify-between gap-3">
       <div>
         <p class="text-sm" :class="[mutedTextClass]">{{ t('admin.dashboard.adminLabel') }}</p>
         <h2 class="text-2xl font-bold" :class="[primaryTextClass]">
@@ -10,13 +10,18 @@
           {{ t('admin.dashboard.lastUpdated', { time: lastUpdatedText }) }}
         </p>
       </div>
-      <BaseButton variant="secondary" :loading="isDashboardRefreshing" @click="refreshDashboardPage">
+      <BaseButton
+        variant="secondary"
+        :loading="isDashboardRefreshing"
+        :title="t('admin.dashboard.refresh')"
+        :aria-label="t('admin.dashboard.refresh')"
+        class="shrink-0 max-sm:h-11 max-sm:w-11 max-sm:!px-0"
+        @click="refreshDashboardPage"
+      >
         <template #icon>
           <RefreshCwIcon class="mr-2 h-4 w-4" />
         </template>
-        {{
-          isDashboardRefreshing ? t('admin.dashboard.refreshing') : t('admin.dashboard.refresh')
-        }}
+        <span class="max-sm:sr-only">{{ isDashboardRefreshing ? t('admin.dashboard.refreshing') : t('admin.dashboard.refresh') }}</span>
       </BaseButton>
     </div>
 
@@ -98,7 +103,7 @@
           />
         </div>
 
-        <div class="grid grid-cols-3 gap-2 sm:gap-4">
+        <div class="grid grid-cols-1 gap-2 sm:grid-cols-3 sm:gap-4">
           <MetricProgress
             :label="t('admin.dashboard.activeFileRatio')"
             :value="dashboardData.activeRatio"
@@ -263,11 +268,11 @@
                 @change="fetchAnalyticsData"
               />
             </div>
-            <div class="hidden grid-cols-3 gap-2 sm:flex sm:justify-end">
+            <div class="grid w-full grid-cols-3 gap-2 sm:flex sm:w-auto sm:justify-end">
               <BaseButton
                 variant="outline"
                 size="sm"
-                class="h-9 min-w-16"
+                class="min-h-11 min-w-16 lg:!min-h-9"
                 @click="trendCanvas?.zoom(0.75)"
               >
                 {{ t('admin.dashboard.trend.zoomIn') }}
@@ -275,7 +280,7 @@
               <BaseButton
                 variant="outline"
                 size="sm"
-                class="h-9 min-w-16"
+                class="min-h-11 min-w-16 lg:!min-h-9"
                 @click="trendCanvas?.zoom(1.33)"
               >
                 {{ t('admin.dashboard.trend.zoomOut') }}
@@ -283,7 +288,7 @@
               <BaseButton
                 variant="outline"
                 size="sm"
-                class="h-9 min-w-16"
+                class="min-h-11 min-w-16 lg:!min-h-9"
                 @click="trendCanvas?.resetWindow()"
               >
                 {{ t('admin.dashboard.trend.reset') }}
@@ -638,8 +643,8 @@ const MetricProgress = defineComponent({
             'theme-2026-card-hover rounded-[18px] border border-[#d4e0e3] bg-[#f6faf9] p-2.5 shadow-sm transition-all duration-200 hover:-translate-y-0.5 hover:border-[#8fb2bf] hover:shadow-md sm:rounded-[30px] sm:p-4 sm:shadow-md dark:border-[#40545c] dark:bg-[#17252c]/50 dark:hover:border-[#7199a8] dark:hover:bg-[#263941] dark:hover:shadow-black/25'
         },
         [
-          h('div', { class: 'mb-2 flex flex-col gap-0.5 text-xs sm:flex-row sm:items-center sm:justify-between sm:text-sm' }, [
-            h('span', { class: 'line-clamp-1 text-gray-500 dark:text-gray-400' }, props.label),
+          h('div', { class: 'mb-2 flex items-center justify-between gap-3 text-sm' }, [
+            h('span', { class: 'min-w-0 font-medium text-gray-600 dark:text-gray-300' }, props.label),
             h('span', { class: 'font-medium tabular-nums text-gray-900 dark:text-white' }, `${props.value}%`)
           ]),
           h('div', {
@@ -655,7 +660,7 @@ const MetricProgress = defineComponent({
               style: { width: `${Math.max(0, Math.min(100, props.value))}%` }
             })
           ]),
-          h('p', { class: 'mt-2 hidden text-sm text-gray-500 sm:block dark:text-gray-400' }, props.detail)
+          h('p', { class: 'mt-2 text-xs text-gray-500 dark:text-gray-400 sm:text-sm' }, props.detail)
         ]
       )
   }
diff --git a/src/views/manage/FileManageView.vue b/src/views/manage/FileManageView.vue
index cf1c1dd..a30175e 100644
--- a/src/views/manage/FileManageView.vue
+++ b/src/views/manage/FileManageView.vue
@@ -1,5 +1,8 @@
 <template>
-  <div class="p-4 sm:p-6">
+  <div
+    class="p-4 sm:p-6"
+    :class="hasSelectedFiles ? (showMobilePolicyActions ? 'pb-[22rem] md:pb-6' : 'pb-44 md:pb-6') : ''"
+  >
     <div class="mb-6 flex flex-col gap-3 lg:flex-row lg:items-end lg:justify-between">
       <div>
         <h2 class="text-2xl font-bold" :class="[primaryTextClass]">
@@ -11,7 +14,7 @@
       </div>
     </div>
 
-    <div class="mb-5 grid grid-cols-2 gap-3 sm:mb-6 sm:gap-4 xl:grid-cols-4">
+    <div v-if="!hasSelectedFiles" class="mb-5 grid grid-cols-2 gap-3 sm:mb-6 sm:gap-4 xl:grid-cols-4">
       <div
         v-for="card in summaryCards"
         :key="card.label"
@@ -36,6 +39,7 @@
     </div>
 
     <section
+      v-if="!hasSelectedFiles"
       class="theme-2026-card theme-2026-card-hover mb-4 rounded-[24px] border p-3 shadow-md transition-all duration-200 hover:-translate-y-0.5 hover:shadow-lg sm:mb-6 sm:rounded-[30px] sm:p-4"
       :class="[panelClass, cardHoverClass]"
     >
@@ -81,7 +85,7 @@
                 v-model="params.keyword"
                 type="text"
                 :placeholder="t('fileManage.searchPlaceholder')"
-                class="w-full rounded-lg border py-2.5 pl-10 pr-4 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+                class="min-h-11 w-full rounded-lg border py-2.5 pl-10 pr-4 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
                 :class="[
                   isDarkMode
                     ? 'border-gray-600 bg-gray-700 text-white placeholder-gray-400'
@@ -107,7 +111,7 @@
             </span>
             <select
               :value="params.status"
-              class="w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+              class="min-h-11 w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
               :class="[fieldClass]"
               @change="handleStatusFilterChange"
             >
@@ -128,7 +132,7 @@
             </span>
             <select
               :value="params.health"
-              class="w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+              class="min-h-11 w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
               :class="[fieldClass]"
               @change="handleHealthFilterSelect"
             >
@@ -149,7 +153,7 @@
             </span>
             <select
               :value="params.type"
-              class="w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+              class="min-h-11 w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
               :class="[fieldClass]"
               @change="handleTypeFilterChange"
             >
@@ -166,7 +170,7 @@
             </span>
             <select
               v-model="params.sortBy"
-              class="w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+              class="min-h-11 w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
               :class="[fieldClass]"
               @change="handleSearch"
             >
@@ -183,7 +187,7 @@
             </span>
             <select
               v-model="params.sortOrder"
-              class="w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+              class="min-h-11 w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
               :class="[fieldClass]"
               @change="handleSearch"
             >
@@ -200,7 +204,7 @@
             </span>
             <select
               :value="selectedViewPresetId"
-              class="w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+              class="min-h-11 w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
               :class="[fieldClass]"
               :disabled="isViewPresetLoading"
               @change="handleViewPresetChange"
@@ -277,6 +281,38 @@
         </button>
       </div>
 
+      <div
+        v-if="tableData.length > 0"
+        class="flex min-h-14 items-center justify-between gap-3 border-b px-4 py-2 md:hidden"
+        :class="[isDarkMode ? 'border-gray-700 bg-[#20323a]/70' : 'border-[#d9e4e6] bg-[#f4f8f8]']"
+      >
+        <label class="flex min-h-11 min-w-0 cursor-pointer items-center gap-3 text-sm font-medium" :class="[primaryTextClass]">
+          <span class="flex h-11 w-11 shrink-0 items-center justify-center rounded-xl">
+            <input
+              type="checkbox"
+              class="h-5 w-5 rounded border-gray-300 text-indigo-600 focus:ring-indigo-500"
+              :checked="isAllCurrentPageSelected"
+              :disabled="isBatchActionRunning"
+              :indeterminate="isCurrentPagePartiallySelected"
+              @change="toggleCurrentPageSelection"
+            />
+          </span>
+          <span class="truncate">
+            {{ hasSelectedFiles ? t('fileManage.selectedCount', { count: selectedCount }) : t('fileManage.selectCurrentPage') }}
+          </span>
+        </label>
+        <button
+          v-if="hasSelectedFiles"
+          type="button"
+          class="min-h-11 shrink-0 rounded-xl px-3 text-sm font-medium"
+          :class="detailActionClass"
+          :disabled="isBatchActionRunning"
+          @click="clearSelection"
+        >
+          {{ t('fileManage.clearSelection') }}
+        </button>
+      </div>
+
       <div v-if="isLoading" class="flex items-center justify-center px-4 py-10 text-sm" :class="[mutedTextClass]">
         <RefreshCwIcon class="mr-2 h-4 w-4 animate-spin" />
         {{ t('common.loading') }}
@@ -286,7 +322,10 @@
         <BaseButton class="mt-3" variant="secondary" @click="refreshFileList">{{ t('fileManage.refresh') }}</BaseButton>
       </div>
       <div v-else-if="tableData.length === 0" class="px-4 py-10 text-center text-sm" :class="[mutedTextClass]">
-        {{ hasActiveFilters ? t('fileManage.noMatches') : t('common.noData') }}
+        <p>{{ hasActiveFilters ? t('fileManage.noMatches') : t('common.noData') }}</p>
+        <BaseButton v-if="hasActiveFilters" class="mt-3" variant="secondary" @click="handleResetFilters">
+          {{ t('fileManage.resetFilters') }}
+        </BaseButton>
       </div>
       <div v-else class="divide-y" :class="[isDarkMode ? 'divide-gray-700' : 'divide-[#d9e4e6]']">
         <article
@@ -331,11 +370,6 @@
               </div>
             </button>
           </div>
-          <div class="mt-3 pl-14">
-            <button type="button" class="flex min-h-11 w-full items-center justify-center rounded-lg border text-sm font-medium" :class="detailActionClass" @click="openFileDetail(file)">
-              <FileTextIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />{{ t('fileManage.detail') }}
-            </button>
-          </div>
         </article>
       </div>
 
@@ -350,6 +384,85 @@
       </div>
     </section>
 
+    <Transition name="fcb-expand-120">
+      <aside
+        v-if="hasSelectedFiles"
+        class="fixed inset-x-0 bottom-0 z-40 border-t px-3 pt-3 shadow-2xl backdrop-blur-xl md:hidden"
+        :class="isDarkMode ? 'border-[#40545c] bg-[#17252b]/95' : 'border-[#c8d7da] bg-[#f2f6f5]/95'"
+        :style="{ paddingBottom: 'max(0.75rem, env(safe-area-inset-bottom))' }"
+        :aria-label="t('fileManage.mobileBatchActions')"
+      >
+        <div class="mx-auto max-w-lg space-y-2">
+          <div
+            v-if="showMobilePolicyActions"
+            class="grid grid-cols-2 gap-2 rounded-2xl border p-2"
+            :class="isDarkMode ? 'border-[#40545c] bg-[#20323a]' : 'border-[#c8d7da] bg-white'"
+          >
+            <button
+              v-for="option in batchPolicyActionOptions"
+              :key="option.action"
+              type="button"
+              class="min-h-11 rounded-xl border px-2 py-2 text-xs font-medium"
+              :class="detailActionClass"
+              :title="option.description"
+              :disabled="option.disabled || isBatchDeleting || isBatchUpdating || isBatchPolicyActionRunning"
+              @click="applySelectedPolicyActionAndRefreshHistory(option.action)"
+            >
+              {{ option.label }}
+            </button>
+          </div>
+
+          <div class="flex items-center justify-between gap-3 px-1">
+            <p class="text-sm font-semibold" :class="primaryTextClass">
+              {{ t('fileManage.selectedCount', { count: selectedCount }) }}
+            </p>
+            <button
+              type="button"
+              class="min-h-11 rounded-xl px-3 text-sm font-medium"
+              :class="detailActionClass"
+              :disabled="isBatchActionRunning"
+              @click="clearSelection"
+            >
+              {{ t('common.cancel') }}
+            </button>
+          </div>
+
+          <div class="grid grid-cols-3 gap-2">
+            <button
+              type="button"
+              class="flex min-h-12 items-center justify-center rounded-xl border px-2 text-sm font-medium"
+              :class="detailActionClass"
+              :disabled="isBatchDeleting || isBatchPolicyActionRunning"
+              @click="openBatchEditModal"
+            >
+              <ClockIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />
+              <span>{{ t('common.edit') }}</span>
+            </button>
+            <button
+              type="button"
+              class="flex min-h-12 items-center justify-center rounded-xl border px-2 text-sm font-medium"
+              :class="detailActionClass"
+              :aria-expanded="showMobilePolicyActions"
+              :disabled="isBatchDeleting || isBatchUpdating"
+              @click="showMobilePolicyActions = !showMobilePolicyActions"
+            >
+              <TimerResetIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />
+              {{ t('fileManage.policyActionsLabel') }}
+            </button>
+            <button
+              type="button"
+              class="flex min-h-12 items-center justify-center rounded-xl bg-red-600 px-2 text-sm font-medium text-white shadow-sm disabled:opacity-50"
+              :disabled="isBatchUpdating || isBatchPolicyActionRunning"
+              @click="deleteSelectedFilesAndRefreshHistory"
+            >
+              <TrashIcon class="mr-1.5 h-4 w-4" aria-hidden="true" />
+              {{ t('common.delete') }}
+            </button>
+          </div>
+        </div>
+      </aside>
+    </Transition>
+
     <div class="hidden md:block">
     <DataTable :title="t('fileManage.allFiles')" :headers="fileTableHeaders" table-class="min-w-[1120px]">
       <template #actions>
@@ -968,6 +1081,14 @@
                 : t('fileManage.downloadFile')
             }}
           </button>
+          <button
+            type="button"
+            class="flex min-h-12 items-center justify-center rounded-lg bg-red-600 px-3 py-2 text-sm font-medium text-white shadow-sm transition-colors hover:bg-red-700"
+            @click="deleteDetailFileAndRefreshHistory"
+          >
+            <TrashIcon class="mr-2 h-4 w-4" aria-hidden="true" />
+            {{ t('common.delete') }}
+          </button>
         </div>
 
         <section
@@ -1178,7 +1299,7 @@
                 v-model="detailMetadataForm.note"
                 rows="3"
                 maxlength="2000"
-                class="w-full resize-y rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+                class="min-h-11 w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
                 :class="[fieldClass]"
                 :placeholder="t('fileManage.metadataNotePlaceholder')"
               ></textarea>
@@ -1190,7 +1311,7 @@
               <input
                 v-model="detailMetadataForm.tagsText"
                 type="text"
-                class="w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
+                class="min-h-11 w-full rounded-lg border px-3 py-2 text-sm focus:border-transparent focus:ring-2 focus:ring-indigo-500"
                 :class="[fieldClass]"
                 :placeholder="t('fileManage.metadataTagsPlaceholder')"
               />
@@ -1688,12 +1809,17 @@ const {
 } = useAdminFiles()
 
 const isFilterPanelOpen = ref(false)
+const showMobilePolicyActions = ref(false)
 const isLifecycleExpanded = ref(false)
 const visibleDetailTimeline = computed(() => {
   const rows = selectedFileDetail.value?.detailTimeline || []
   return isLifecycleExpanded.value ? rows : rows.slice(0, 3)
 })
 const filterBodyVisible = computed(() => isFilterPanelOpen.value || hasActiveFilters.value)
+
+watch(hasSelectedFiles, (selected) => {
+  if (!selected) showMobilePolicyActions.value = false
+})
 const isHistoryLoading = ref(false)
 const historyRows = ref<AnalyticsFileRow[]>([])
 const historyPage = ref(1)
@@ -1721,6 +1847,12 @@ const handleBatchUpdateAndRefreshHistory = () =>
   runFileMutationAndRefreshHistory(handleBatchUpdateRaw)
 const deleteFileAndRefreshHistory = (id: number) =>
   runFileMutationAndRefreshHistory(() => deleteFileRaw(id))
+const deleteDetailFileAndRefreshHistory = async () => {
+  if (!selectedFileDetail.value) return
+  const id = selectedFileDetail.value.id
+  await deleteFileAndRefreshHistory(id)
+  closeFileDetail()
+}
 const deleteSelectedFilesAndRefreshHistory = () =>
   runFileMutationAndRefreshHistory(deleteSelectedFilesRaw)
 const applySelectedPolicyActionAndRefreshHistory = (action: AdminFilePolicyAction) =>
diff --git a/src/views/manage/LoginView.vue b/src/views/manage/LoginView.vue
index 8baf74f..6324aee 100644
--- a/src/views/manage/LoginView.vue
+++ b/src/views/manage/LoginView.vue
@@ -1,7 +1,7 @@
 <template>
   <div
     :class="[
-      'min-h-screen flex items-center justify-center py-12 px-4 sm:px-6 lg:px-8 transition-colors duration-200 relative overflow-hidden',
+      'min-h-[100dvh] flex items-center justify-center px-4 pb-6 pt-24 sm:px-6 sm:py-12 lg:px-8 transition-colors duration-200 relative overflow-x-hidden overflow-y-auto',
       isDarkMode ? 'bg-[#10191e]' : 'bg-[#dfe9eb]'
     ]"
   >
@@ -36,7 +36,7 @@
             isDarkMode ? 'text-white' : 'text-gray-900'
           ]"
         >
-          登录
+          {{ t('manage.login.title') }}
         </h2>
       </div>
       <form class="mt-8 space-y-6" @submit.prevent="submitLogin">
@@ -54,22 +54,36 @@
         />
         <div class="rounded-md shadow-sm -space-y-px">
           <div>
-            <label for="password" class="sr-only">密码</label>
+            <label for="password" class="mb-2 block text-sm font-medium" :class="isDarkMode ? 'text-gray-200' : 'text-[#2d4650]'">
+              {{ t('manage.login.password') }}
+            </label>
+            <div class="relative">
             <input
               id="password"
               name="password"
-              type="password"
+              :type="showPassword ? 'text' : 'password'"
               autocomplete="current-password"
               required
               v-model="password"
               :class="[
-                'appearance-none rounded-[30px] relative block w-full px-4 py-3 border transition-all duration-200 placeholder-gray-500 focus:outline-none focus:ring-2 focus:ring-[#8fb2bf] focus:border-[#8fb2bf] focus:z-10 sm:text-sm backdrop-blur-sm',
+                'appearance-none rounded-[30px] relative block w-full py-3 pl-4 pr-14 border transition-all duration-200 placeholder-gray-500 focus:outline-none focus:ring-2 focus:ring-[#8fb2bf] focus:border-[#8fb2bf] focus:z-10 sm:text-sm backdrop-blur-sm',
                 isDarkMode
                   ? 'bg-[#263941]/60 border-[#40545c] text-white placeholder-gray-400 hover:border-[#7199a8]'
                   : 'bg-[#edf4f5]/70 border-[#c8d8dc] text-[#2d4650] hover:border-[#9db6bd]'
               ]"
-              placeholder="密码"
+              :placeholder="t('manage.login.passwordPlaceholder')"
             />
+            <button
+              type="button"
+              class="absolute inset-y-0 right-1 z-20 flex w-11 items-center justify-center rounded-full"
+              :aria-label="showPassword ? t('common.hidePassword') : t('common.showPassword')"
+              :title="showPassword ? t('common.hidePassword') : t('common.showPassword')"
+              @click="showPassword = !showPassword"
+            >
+              <EyeOffIcon v-if="showPassword" class="h-5 w-5" aria-hidden="true" />
+              <EyeIcon v-else class="h-5 w-5" aria-hidden="true" />
+            </button>
+            </div>
           </div>
         </div>
         <div>
@@ -85,7 +99,7 @@
             :disabled="isLoading"
           >
             <span class="absolute left-0 inset-y-0 flex items-center pl-3"> </span>
-            {{ isLoading ? '登录中...' : '登录' }}
+            {{ isLoading ? t('manage.login.loggingIn') : t('manage.login.loginButton') }}
           </button>
         </div>
       </form>
@@ -94,13 +108,16 @@
 </template>
 
 <script setup lang="ts">
-import { inject } from 'vue'
+import { inject, ref } from 'vue'
+import { useI18n } from 'vue-i18n'
 import { useRoute, useRouter } from 'vue-router'
-import { BoxIcon } from 'lucide-vue-next'
+import { BoxIcon, EyeIcon, EyeOffIcon } from 'lucide-vue-next'
 import { useAdminLogin } from '@/composables'
 import { ROUTES } from '@/constants'
 
 const isDarkMode = inject('isDarkMode')
+const { t } = useI18n()
+const showPassword = ref(false)
 const router = useRouter()
 const route = useRoute()
 const { password, isLoading, handleSubmit } = useAdminLogin()
diff --git a/src/views/manage/SystemSettingsView.vue b/src/views/manage/SystemSettingsView.vue
index 065b40a..aaeea2a 100644
--- a/src/views/manage/SystemSettingsView.vue
+++ b/src/views/manage/SystemSettingsView.vue
@@ -10,6 +10,7 @@ import { useSystemConfig } from '@/composables'
 const isDarkMode = inject('isDarkMode')
 const { t } = useI18n()
 const showAdminPassword = ref(false)
+const activeSection = ref('general')
 const {
   config,
   isRefreshing,
@@ -25,19 +26,25 @@ const {
 } = useSystemConfig()
 
 const scrollToSection = (section: string) => {
+  activeSection.value = section
   document.getElementById(`settings-${section}`)?.scrollIntoView({
     behavior: window.matchMedia('(prefers-reduced-motion: reduce)').matches ? 'auto' : 'smooth',
     block: 'start'
   })
 }
 
+const discardChanges = () => {
+  if (!window.confirm(t('manage.settings.discardChangesConfirm'))) return
+  void refreshConfig()
+}
+
 onMounted(() => {
   void refreshConfig()
 })
 </script>
 
 <template>
-  <div class="p-4 pb-28 sm:p-6 sm:pb-28">
+  <div class="p-4 pb-36 sm:p-6 sm:pb-28">
     <div
       class="mb-6 flex flex-col gap-3 lg:flex-row lg:items-end lg:justify-between"
     >
@@ -53,7 +60,7 @@ onMounted(() => {
         </p>
       </div>
 
-      <div class="flex flex-wrap items-center gap-2">
+      <div class="hidden flex-wrap items-center gap-2 sm:flex">
         <BaseButton
           variant="secondary"
           :loading="isRefreshing"
@@ -77,7 +84,7 @@ onMounted(() => {
     </div>
 
     <nav
-      class="mb-4 flex gap-2 overflow-x-auto pb-2"
+      class="mb-4 grid grid-cols-2 gap-2 sm:flex sm:overflow-x-auto sm:pb-2"
       :aria-label="t('manage.settings.sectionNavigation')"
     >
       <button
@@ -89,8 +96,13 @@ onMounted(() => {
         ]"
         :key="section[0]"
         type="button"
-        class="inline-flex min-h-11 shrink-0 items-center rounded-full border px-4 text-sm font-medium"
-        :class="isDarkMode ? 'border-[#40545c] bg-[#263941] text-[#d8e3e5]' : 'border-[#c8d8dc] bg-[#edf4f5] text-[#415d66]'"
+        class="inline-flex min-h-11 shrink-0 items-center justify-center rounded-full border px-3 text-center text-sm font-medium sm:px-4"
+        :class="activeSection === section[0]
+          ? 'border-[#5f8796] bg-[#5f8796] text-white'
+          : isDarkMode
+            ? 'border-[#40545c] bg-[#263941] text-[#d8e3e5]'
+            : 'border-[#c8d8dc] bg-[#edf4f5] text-[#415d66]'"
+        :aria-current="activeSection === section[0] ? 'true' : undefined"
         @click="scrollToSection(section[0])"
       >
         {{ section[1] }}
@@ -773,29 +785,35 @@ onMounted(() => {
     </div>
 
     <div
-      class="fixed inset-x-0 bottom-0 z-40 border-t px-4 py-3 backdrop-blur-xl lg:left-64"
+      class="fixed inset-x-0 bottom-0 z-40 border-t px-4 pt-3 backdrop-blur-xl lg:left-64"
       :class="isDarkMode ? 'border-[#31454d] bg-[#17252b]/95' : 'border-[#c8d7da] bg-[#f2f6f5]/95'"
       role="status"
       aria-live="polite"
     >
-      <div class="mx-auto flex max-w-6xl flex-wrap items-center justify-between gap-3">
-        <p class="text-sm font-medium" :class="isDirty ? 'text-amber-600 dark:text-amber-300' : isDarkMode ? 'text-gray-300' : 'text-[#415d66]'">
-          {{ isDirty ? t('manage.settings.unsavedChanges') : t('manage.settings.allChangesSaved') }}
-        </p>
-        <div class="flex items-center gap-2">
+      <div
+        class="mx-auto grid max-w-6xl grid-cols-[minmax(0,1fr)_auto] items-center gap-3"
+        :style="{ paddingBottom: 'max(0.75rem, env(safe-area-inset-bottom))' }"
+      >
+        <div class="min-w-0">
+          <p class="truncate text-sm font-medium" :class="isDirty ? 'text-amber-600 dark:text-amber-300' : isDarkMode ? 'text-gray-300' : 'text-[#415d66]'">
+            {{ isDirty ? t('manage.settings.unsavedChanges') : t('manage.settings.allChangesSaved') }}
+          </p>
           <BaseButton
+            v-if="isDirty"
             variant="secondary"
+            size="sm"
+            class="mt-1 !min-h-9 !px-2 text-xs"
             :loading="isRefreshing"
-            :disabled="isSaving || isDirty"
-            @click="refreshConfig"
+            :disabled="isSaving"
+            @click="discardChanges"
           >
-            {{ t('manage.settings.reloadSaved') }}
-          </BaseButton>
-          <BaseButton :loading="isSaving" :disabled="!isDirty || isRefreshing" @click="submitConfig">
-            <template #icon><SaveIcon class="mr-2 h-4 w-4" /></template>
-            {{ isSaving ? t('manage.settings.saving') : t('manage.settings.saveChanges') }}
+            {{ t('manage.settings.discardChanges') }}
           </BaseButton>
         </div>
+        <BaseButton class="min-w-28" :loading="isSaving" :disabled="!isDirty || isRefreshing" @click="submitConfig">
+          <template #icon><SaveIcon class="mr-2 h-4 w-4" /></template>
+          {{ isSaving ? t('manage.settings.saving') : t('common.save') }}
+        </BaseButton>
       </div>
     </div>
   </div>