diff --git a/frontend/src/features/models/components/ModelDetailDrawer.vue b/frontend/src/features/models/components/ModelDetailDrawer.vue
index b6b8dd7..89582de 100644
--- a/frontend/src/features/models/components/ModelDetailDrawer.vue
+++ b/frontend/src/features/models/components/ModelDetailDrawer.vue
@@ -14,12 +14,12 @@
         />
 
         <!-- 抽屉内容 -->
-        <Card class="relative h-full w-[700px] rounded-none shadow-2xl overflow-y-auto">
-          <div class="sticky top-0 z-10 bg-background border-b p-6">
-            <div class="flex items-start justify-between gap-4">
+        <Card class="relative h-full w-full sm:w-[700px] sm:max-w-[90vw] rounded-none shadow-2xl overflow-y-auto">
+          <div class="sticky top-0 z-10 bg-background border-b p-4 sm:p-6">
+            <div class="flex items-start justify-between gap-3 sm:gap-4">
               <div class="space-y-1 flex-1 min-w-0">
                 <div class="flex items-center gap-2">
-                  <h3 class="text-xl font-bold truncate">
+                  <h3 class="text-lg sm:text-xl font-bold truncate">
                     {{ model.display_name }}
                   </h3>
                   <Badge
@@ -76,12 +76,12 @@
             </div>
           </div>
 
-          <div class="p-6">
+          <div class="p-4 sm:p-6">
             <!-- 自定义 Tab 切换 -->
             <div class="flex gap-1 p-1 bg-muted/40 rounded-lg mb-4">
               <button
                 type="button"
-                class="flex-1 px-4 py-2 text-sm font-medium rounded-md transition-all duration-200"
+                class="flex-1 px-2 sm:px-4 py-2 text-xs sm:text-sm font-medium rounded-md transition-all duration-200"
                 :class="[
                   detailTab === 'basic'
                     ? 'bg-primary text-primary-foreground shadow-sm'
@@ -93,7 +93,7 @@
               </button>
               <button
                 type="button"
-                class="flex-1 px-4 py-2 text-sm font-medium rounded-md transition-all duration-200"
+                class="flex-1 px-2 sm:px-4 py-2 text-xs sm:text-sm font-medium rounded-md transition-all duration-200"
                 :class="[
                   detailTab === 'providers'
                     ? 'bg-primary text-primary-foreground shadow-sm'
@@ -101,11 +101,12 @@
                 ]"
                 @click="detailTab = 'providers'"
               >
-                关联提供商
+                <span class="hidden sm:inline">关联提供商</span>
+                <span class="sm:hidden">提供商</span>
               </button>
               <button
                 type="button"
-                class="flex-1 px-4 py-2 text-sm font-medium rounded-md transition-all duration-200"
+                class="flex-1 px-2 sm:px-4 py-2 text-xs sm:text-sm font-medium rounded-md transition-all duration-200"
                 :class="[
                   detailTab === 'aliases'
                     ? 'bg-primary text-primary-foreground shadow-sm'
@@ -113,7 +114,8 @@
                 ]"
                 @click="detailTab = 'aliases'"
               >
-                别名/映射
+                <span class="hidden sm:inline">别名/映射</span>
+                <span class="sm:hidden">别名</span>
               </button>
             </div>
 
@@ -142,7 +144,7 @@
                 <h4 class="font-semibold text-sm">
                   模型能力
                 </h4>
-                <div class="grid grid-cols-2 gap-3">
+                <div class="grid grid-cols-1 sm:grid-cols-2 gap-3">
                   <div class="flex items-center gap-2 p-3 rounded-lg border">
                     <Zap class="w-5 h-5 text-muted-foreground" />
                     <div class="flex-1">
@@ -262,7 +264,7 @@
                   v-if="getTierCount(model.default_tiered_pricing) <= 1"
                   class="space-y-3"
                 >
-                  <div class="grid grid-cols-2 gap-3">
+                  <div class="grid grid-cols-2 sm:grid-cols-2 gap-3">
                     <!-- 按 Token 计费 -->
                     <div class="p-3 rounded-lg border">
                       <Label class="text-xs text-muted-foreground">输入价格 ($/M)</Label>
@@ -463,7 +465,9 @@
                   <Loader2 class="w-6 h-6 animate-spin text-primary" />
                 </div>
 
-                <Table v-else-if="providers.length > 0">
+                <template v-else-if="providers.length > 0">
+                  <!-- 桌面端表格 -->
+                  <Table class="hidden sm:table">
                   <TableHeader>
                     <TableRow class="border-b border-border/60 hover:bg-transparent">
                       <TableHead class="h-10 font-semibold">
@@ -589,13 +593,81 @@
                       </TableCell>
                     </TableRow>
                   </TableBody>
-                </Table>
+                  </Table>
+
+                  <!-- 移动端卡片列表 -->
+                  <div class="sm:hidden divide-y divide-border/40">
+                  <div
+                    v-for="provider in providers"
+                    :key="provider.id"
+                    class="p-4 space-y-3"
+                  >
+                    <div class="flex items-start justify-between gap-3">
+                      <div class="flex items-center gap-2 min-w-0">
+                        <span
+                          class="w-2 h-2 rounded-full shrink-0"
+                          :class="provider.is_active ? 'bg-green-500' : 'bg-gray-300'"
+                        />
+                        <span class="font-medium truncate">{{ provider.display_name }}</span>
+                      </div>
+                      <div class="flex items-center gap-1 shrink-0">
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          class="h-7 w-7"
+                          @click="$emit('editProvider', provider)"
+                        >
+                          <Edit class="w-3.5 h-3.5" />
+                        </Button>
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          class="h-7 w-7"
+                          @click="$emit('toggleProviderStatus', provider)"
+                        >
+                          <Power class="w-3.5 h-3.5" />
+                        </Button>
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          class="h-7 w-7"
+                          @click="$emit('deleteProvider', provider)"
+                        >
+                          <Trash2 class="w-3.5 h-3.5" />
+                        </Button>
+                      </div>
+                    </div>
+                    <div class="flex items-center gap-3 text-xs">
+                      <div class="flex gap-1">
+                        <Zap
+                          v-if="provider.supports_streaming"
+                          class="w-3.5 h-3.5 text-muted-foreground"
+                        />
+                        <Eye
+                          v-if="provider.supports_vision"
+                          class="w-3.5 h-3.5 text-muted-foreground"
+                        />
+                        <Wrench
+                          v-if="provider.supports_function_calling"
+                          class="w-3.5 h-3.5 text-muted-foreground"
+                        />
+                      </div>
+                      <div
+                        v-if="(provider.input_price_per_1m || 0) > 0 || (provider.output_price_per_1m || 0) > 0"
+                        class="text-muted-foreground font-mono"
+                      >
+                        ${{ (provider.input_price_per_1m || 0).toFixed(1) }}/${{ (provider.output_price_per_1m || 0).toFixed(1) }}
+                      </div>
+                    </div>
+                  </div>
+                  </div>
+                </template>
 
-                <!-- 空状态 -->
                 <div
                   v-else
                   class="text-center py-12"
                 >
+                  <!-- 空状态 -->
                   <Building2 class="w-12 h-12 mx-auto text-muted-foreground/30 mb-3" />
                   <p class="text-sm text-muted-foreground">
                     暂无关联提供商
@@ -658,7 +730,9 @@
                   <Loader2 class="w-6 h-6 animate-spin text-primary" />
                 </div>
 
-                <Table v-else-if="aliases.length > 0">
+                <template v-else-if="aliases.length > 0">
+                  <!-- 桌面端表格 -->
+                  <Table class="hidden sm:table">
                   <TableHeader>
                     <TableRow class="border-b border-border/60 hover:bg-transparent">
                       <TableHead class="h-10 font-semibold">
@@ -749,13 +823,81 @@
                       </TableCell>
                     </TableRow>
                   </TableBody>
-                </Table>
+                  </Table>
+
+                  <!-- 移动端卡片列表 -->
+                  <div class="sm:hidden divide-y divide-border/40">
+                  <div
+                    v-for="alias in aliases"
+                    :key="alias.id"
+                    class="p-4 space-y-2"
+                  >
+                    <div class="flex items-start justify-between gap-3">
+                      <div class="flex items-center gap-2 min-w-0 flex-1">
+                        <span
+                          class="w-2 h-2 rounded-full shrink-0"
+                          :class="alias.is_active ? 'bg-green-500' : 'bg-gray-300'"
+                        />
+                        <code class="text-sm font-medium bg-muted px-1.5 py-0.5 rounded truncate">{{ alias.alias }}</code>
+                      </div>
+                      <div class="flex items-center gap-1 shrink-0">
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          class="h-7 w-7"
+                          @click="$emit('editAlias', alias)"
+                        >
+                          <Edit class="w-3.5 h-3.5" />
+                        </Button>
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          class="h-7 w-7"
+                          @click="$emit('toggleAliasStatus', alias)"
+                        >
+                          <Power class="w-3.5 h-3.5" />
+                        </Button>
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          class="h-7 w-7"
+                          @click="$emit('deleteAlias', alias)"
+                        >
+                          <Trash2 class="w-3.5 h-3.5" />
+                        </Button>
+                      </div>
+                    </div>
+                    <div class="flex items-center gap-2">
+                      <Badge
+                        variant="secondary"
+                        class="text-xs"
+                      >
+                        {{ alias.mapping_type === 'mapping' ? '映射' : '别名' }}
+                      </Badge>
+                      <Badge
+                        v-if="alias.provider_id"
+                        variant="outline"
+                        class="text-xs truncate max-w-[120px]"
+                      >
+                        {{ alias.provider_name || 'Provider' }}
+                      </Badge>
+                      <Badge
+                        v-else
+                        variant="default"
+                        class="text-xs"
+                      >
+                        全局
+                      </Badge>
+                    </div>
+                  </div>
+                  </div>
+                </template>
 
-                <!-- 空状态 -->
                 <div
                   v-else
                   class="text-center py-12"
                 >
+                  <!-- 空状态 -->
                   <Tag class="w-12 h-12 mx-auto text-muted-foreground/30 mb-3" />
                   <p class="text-sm text-muted-foreground">
                     暂无别名或映射
diff --git a/frontend/src/features/providers/components/HealthMonitorCard.vue b/frontend/src/features/providers/components/HealthMonitorCard.vue
index 6ae1d7d..0ca75ef 100644
--- a/frontend/src/features/providers/components/HealthMonitorCard.vue
+++ b/frontend/src/features/providers/components/HealthMonitorCard.vue
@@ -74,12 +74,12 @@
           :key="monitor.api_format"
           class="border border-border/60 rounded-lg p-4 hover:border-primary/50 transition-colors"
         >
-          <!-- 左右结构布局 -->
-          <div class="flex gap-6 items-center">
-            <!-- 左侧：信息区域 -->
-            <div class="w-44 flex-shrink-0 space-y-1.5">
+          <!-- 响应式布局：窄屏上下两行，宽屏左右结构 -->
+          <div class="flex flex-col sm:flex-row sm:gap-6 sm:items-center">
+            <!-- 第一行/左侧：信息区域 -->
+            <div class="sm:w-44 flex-shrink-0 space-y-1.5 mb-3 sm:mb-0">
               <!-- API 格式标签和成功率 -->
-              <div class="flex items-center gap-2">
+              <div class="flex items-center gap-2 flex-wrap">
                 <Badge
                   variant="outline"
                   class="font-mono text-xs"
@@ -93,20 +93,27 @@
                 >
                   {{ (monitor.success_rate * 100).toFixed(0) }}%
                 </Badge>
+                <!-- 提供商信息（仅管理员可见）- 窄屏时显示在同一行 -->
+                <span
+                  v-if="showProviderInfo && 'provider_count' in monitor"
+                  class="text-xs text-muted-foreground sm:hidden"
+                >
+                  {{ monitor.provider_count }} 个提供商 / {{ monitor.key_count }} 个密钥
+                </span>
               </div>
 
-              <!-- 提供商信息（仅管理员可见） -->
+              <!-- 提供商信息（仅管理员可见）- 宽屏时显示在下方 -->
               <div
                 v-if="showProviderInfo && 'provider_count' in monitor"
-                class="text-xs text-muted-foreground"
+                class="text-xs text-muted-foreground hidden sm:block"
               >
                 {{ monitor.provider_count }} 个提供商 / {{ monitor.key_count }} 个密钥
               </div>
             </div>
 
-            <!-- 右侧：时间线区域 -->
-            <div class="flex-1 min-w-0 flex justify-end">
-              <div class="w-full max-w-5xl">
+            <!-- 第二行/右侧：时间线区域 -->
+            <div class="flex-1 min-w-0 sm:flex sm:justify-end">
+              <div class="w-full sm:max-w-5xl">
                 <EndpointHealthTimeline
                   :monitor="monitor"
                   :lookback-hours="parseInt(lookbackHours)"
diff --git a/frontend/src/features/providers/components/ProviderDetailDrawer.vue b/frontend/src/features/providers/components/ProviderDetailDrawer.vue
index 56e538e..611f39e 100644
--- a/frontend/src/features/providers/components/ProviderDetailDrawer.vue
+++ b/frontend/src/features/providers/components/ProviderDetailDrawer.vue
@@ -14,7 +14,7 @@
         />
 
         <!-- 抽屉内容 -->
-        <Card class="relative h-full w-[700px] rounded-none shadow-2xl overflow-y-auto">
+        <Card class="relative h-full w-full sm:w-[700px] sm:max-w-[90vw] rounded-none shadow-2xl overflow-y-auto">
           <!-- 加载状态 -->
           <div
             v-if="loading"
@@ -25,11 +25,11 @@
 
           <template v-else-if="provider">
             <!-- 头部:名称 + 快捷操作 -->
-            <div class="sticky top-0 z-10 bg-background border-b p-6">
-              <div class="flex items-start justify-between gap-4">
+            <div class="sticky top-0 z-10 bg-background border-b p-4 sm:p-6">
+              <div class="flex items-start justify-between gap-3 sm:gap-4">
                 <div class="space-y-1 flex-1 min-w-0">
                   <div class="flex items-center gap-2">
-                    <h2 class="text-xl font-bold truncate">
+                    <h2 class="text-lg sm:text-xl font-bold truncate">
                       {{ provider.display_name }}
                     </h2>
                     <Badge
@@ -84,7 +84,7 @@
               </div>
             </div>
 
-            <div class="space-y-6 p-6">
+            <div class="space-y-6 p-4 sm:p-6">
               <!-- 配额使用情况 -->
               <Card
                 v-if="provider.billing_type === 'monthly_quota' && provider.monthly_quota_usd"
diff --git a/frontend/src/features/usage/components/ActivityHeatmapCard.vue b/frontend/src/features/usage/components/ActivityHeatmapCard.vue
index 0f17af2..7cf99c7 100644
--- a/frontend/src/features/usage/components/ActivityHeatmapCard.vue
+++ b/frontend/src/features/usage/components/ActivityHeatmapCard.vue
@@ -1,5 +1,5 @@
 <template>
-  <Card class="p-4 !overflow-visible">
+  <Card class="p-4 overflow-hidden">
     <div class="flex items-center justify-between mb-3">
       <p class="text-sm font-semibold">
         {{ title }}
diff --git a/frontend/src/features/usage/components/UsageRecordsTable.vue b/frontend/src/features/usage/components/UsageRecordsTable.vue
index 6daeb48..d1ac237 100644
--- a/frontend/src/features/usage/components/UsageRecordsTable.vue
+++ b/frontend/src/features/usage/components/UsageRecordsTable.vue
@@ -7,7 +7,7 @@
         :model-value="selectedPeriod"
         @update:model-value="$emit('update:selectedPeriod', $event)"
       >
-        <SelectTrigger class="w-32 h-8 text-xs border-border/60">
+        <SelectTrigger class="w-24 sm:w-32 h-8 text-xs border-border/60">
           <SelectValue placeholder="选择时间段" />
         </SelectTrigger>
         <SelectContent>
@@ -30,7 +30,7 @@
       </Select>
 
       <!-- 分隔线 -->
-      <div class="h-4 w-px bg-border" />
+      <div class="hidden sm:block h-4 w-px bg-border" />
 
       <!-- 用户筛选（仅管理员可见） -->
       <Select
@@ -39,7 +39,7 @@
         :model-value="filterUser"
         @update:model-value="$emit('update:filterUser', $event)"
       >
-        <SelectTrigger class="w-36 h-8 text-xs border-border/60">
+        <SelectTrigger class="w-24 sm:w-36 h-8 text-xs border-border/60">
           <SelectValue placeholder="全部用户" />
         </SelectTrigger>
         <SelectContent>
@@ -62,7 +62,7 @@
         :model-value="filterModel"
         @update:model-value="$emit('update:filterModel', $event)"
       >
-        <SelectTrigger class="w-40 h-8 text-xs border-border/60">
+        <SelectTrigger class="w-24 sm:w-40 h-8 text-xs border-border/60">
           <SelectValue placeholder="全部模型" />
         </SelectTrigger>
         <SelectContent>
@@ -85,7 +85,7 @@
         :model-value="filterProvider"
         @update:model-value="$emit('update:filterProvider', $event)"
       >
-        <SelectTrigger class="w-32 h-8 text-xs border-border/60">
+        <SelectTrigger class="w-24 sm:w-32 h-8 text-xs border-border/60">
           <SelectValue placeholder="全部提供商" />
         </SelectTrigger>
         <SelectContent>
@@ -108,7 +108,7 @@
         :model-value="filterStatus"
         @update:model-value="$emit('update:filterStatus', $event)"
       >
-        <SelectTrigger class="w-28 h-8 text-xs border-border/60">
+        <SelectTrigger class="w-20 sm:w-28 h-8 text-xs border-border/60">
           <SelectValue placeholder="全部状态" />
         </SelectTrigger>
         <SelectContent>
@@ -134,7 +134,7 @@
       </Select>
 
       <!-- 分隔线 -->
-      <div class="h-4 w-px bg-border" />
+      <div class="hidden sm:block h-4 w-px bg-border" />
 
       <!-- 刷新按钮 -->
       <RefreshButton