diff --git a/frontend/pages/detection-result.vue b/frontend/pages/detection-result.vue
index 9649dee..d21a6bc 100644
--- a/frontend/pages/detection-result.vue
+++ b/frontend/pages/detection-result.vue
@@ -1,297 +1,289 @@
 <template>
-  <div class="detection-result-page min-h-screen relative overflow-hidden">
-    <!-- 网格背景 -->
-    <div class="absolute inset-0 bg-grid-pattern opacity-5 pointer-events-none"></div>
-    
-    <!-- 装饰元素 -->
-    <div class="absolute top-20 left-20 w-72 h-72 bg-[#07C160] opacity-5 rounded-full blur-3xl pointer-events-none"></div>
-    <div class="absolute top-40 right-20 w-96 h-96 bg-[#10AEEF] opacity-5 rounded-full blur-3xl pointer-events-none"></div>
-    <div class="absolute -bottom-8 left-40 w-80 h-80 bg-[#91D300] opacity-5 rounded-full blur-3xl pointer-events-none"></div>
-    
-    <!-- 主要内容 -->
-    <div class="relative z-10 w-full max-w-5xl mx-auto px-4 sm:px-5 py-6 sm:py-8 animate-fade-in">
-      <!-- 顶部操作栏 -->
-      <div class="flex items-center justify-between mb-4">
-        <div>
-          <h2 class="text-[22px] font-bold leading-none">
-            <span class="bg-gradient-to-r from-[#07C160] to-[#10AEEF] bg-clip-text text-transparent">检测结果</span>
-          </h2>
+  <div class="detection-result-page relative min-h-screen overflow-hidden px-3 py-4 text-[#000000e6] sm:px-5 sm:py-5">
+    <div class="pointer-events-none absolute inset-0 bg-grid-pattern opacity-5"></div>
+    <div class="pointer-events-none absolute left-20 top-20 h-72 w-72 rounded-full bg-[#07C160] opacity-5 blur-3xl"></div>
+    <div class="pointer-events-none absolute right-20 top-40 h-96 w-96 rounded-full bg-[#10AEEF] opacity-5 blur-3xl"></div>
+    <div class="pointer-events-none absolute -bottom-8 left-40 h-80 w-80 rounded-full bg-[#91D300] opacity-5 blur-3xl"></div>
+
+    <main class="relative z-10 mx-auto w-full max-w-6xl">
+      <div class="mb-3 flex flex-col gap-3 rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-4 backdrop-blur sm:p-5 lg:flex-row lg:items-start lg:justify-between">
+        <div class="min-w-0">
+          <p class="text-[12px] font-medium tracking-[0.16em] text-[#07C160]">本地检测</p>
+          <h1 class="mt-1.5 text-[30px] font-semibold leading-tight tracking-[-0.04em] text-[#000000e6] sm:text-[38px]">
+            {{ loading ? '正在检测微信数据' : detectionResult?.error ? '需要手动指定目录' : '找到可操作的微信账号' }}
+          </h1>
+          <p class="mt-2 max-w-3xl text-[14px] leading-6 text-[#6B7280]">
+            {{ loading ? '正在检查微信安装信息、账号目录和数据库文件。' : detectionResult?.error ? '自动检测没有找到可用数据，可以在下方手动选择 xwechat_files 目录后重试。' : '选择要处理的账号进入解密提取。如果结果不完整，可以手动指定数据根目录后重新检测。' }}
+          </p>
         </div>
-        <NuxtLink to="/" 
-          class="inline-flex items-center px-3 py-1.5 rounded-lg text-xs text-[#07C160] hover:text-[#06AD56] hover:bg-white/80 font-medium transition-colors">
-          <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18"/>
+
+        <NuxtLink
+          to="/"
+          class="inline-flex shrink-0 items-center rounded-lg border border-[#CFEEDB] bg-[#F7FDF9]/82 px-2.5 py-1.5 text-xs font-medium text-[#07C160] transition hover:border-[#CFEEDB] hover:bg-[#F7FDF9] focus:outline-none focus:ring-2 focus:ring-[#07C160]/20"
+        >
+          <svg class="mr-1.5 h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18" />
           </svg>
           返回首页
         </NuxtLink>
       </div>
 
-      <div
-        v-if="detectionResult && !loading && !detectionResult.error"
-        class="grid grid-cols-1 sm:grid-cols-3 gap-2.5 mb-4"
-      >
-        <div class="bg-white/90 backdrop-blur rounded-xl px-4 py-3 border border-[#EDEDED]">
-          <div class="flex items-center justify-between gap-3">
-            <div class="min-w-0">
-              <p class="text-[11px] tracking-[0.08em] uppercase text-[#7F7F7F]">微信版本</p>
-              <p class="mt-1 text-lg font-semibold text-[#000000e6] truncate">{{ detectionResult.data?.wechat_version || '未知' }}</p>
+      <div v-if="loading" class="flex min-h-[48vh] items-center justify-center">
+        <div class="w-full max-w-3xl rounded-lg border border-[#DDF4E7] bg-[#F7FDF9]/76 p-4 backdrop-blur sm:p-5">
+          <div class="flex flex-col gap-4">
+            <div class="flex items-start justify-between gap-3">
+              <div class="min-w-0">
+                <div class="flex items-center gap-2 text-[13px] font-medium text-[#07C160]">
+                  <svg class="h-4 w-4 animate-spin" viewBox="0 0 24 24" fill="none" aria-hidden="true">
+                    <circle cx="12" cy="12" r="9" stroke="currentColor" stroke-width="2.5" class="opacity-20"></circle>
+                    <path d="M21 12a9 9 0 0 0-9-9" stroke="currentColor" stroke-width="2.5" stroke-linecap="round"></path>
+                  </svg>
+                  <span>正在检测</span>
+                </div>
+                <h3 class="mt-2 text-[22px] font-semibold leading-tight tracking-[-0.03em] text-[#000000e6] sm:text-[28px]">
+                  正在寻找可用的微信数据
+                </h3>
+                <p class="mt-1.5 max-w-2xl text-[14px] leading-6 text-[#6B7280]">
+                  这一步会自动检查本机环境、匹配账号并统计数据库文件。检测期间请保持当前页面打开。
+                </p>
+              </div>
+              <span class="hidden shrink-0 rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2.5 py-1 text-[12px] font-medium text-[#07C160] sm:inline-flex">
+                自动进行
+              </span>
             </div>
-            <div class="w-9 h-9 shrink-0 bg-[#07C160]/10 rounded-lg flex items-center justify-center">
-              <svg class="w-[18px] h-[18px] text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
-              </svg>
-            </div>
-          </div>
-        </div>
 
-        <div class="bg-white/90 backdrop-blur rounded-xl px-4 py-3 border border-[#EDEDED]">
-          <div class="flex items-center justify-between gap-3">
-            <div class="min-w-0">
-              <p class="text-[11px] tracking-[0.08em] uppercase text-[#7F7F7F]">检测账号</p>
-              <p class="mt-1 text-lg font-semibold text-[#000000e6]">{{ detectionResult.data?.total_accounts || 0 }} 个</p>
-            </div>
-            <div class="w-9 h-9 shrink-0 bg-[#10AEEF]/10 rounded-lg flex items-center justify-center">
-              <svg class="w-[18px] h-[18px] text-[#10AEEF]" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283-.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0zm6 3a2 2 0 11-4 0 2 2 0 014 0zM7 10a2 2 0 11-4 0 2 2 0 014 0z"/>
-              </svg>
-            </div>
-          </div>
-        </div>
+            <div class="space-y-2.5 rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-3">
+              <div class="h-2 overflow-hidden rounded-full border border-[#DDF4E7] bg-[#F7FCF8]/86">
+                <div class="h-full w-1/2 rounded-full bg-[#07C160] animate-pulse"></div>
+              </div>
 
-        <div class="bg-white/90 backdrop-blur rounded-xl px-4 py-3 border border-[#EDEDED]">
-          <div class="flex items-center justify-between gap-3">
-            <div class="min-w-0">
-              <p class="text-[11px] tracking-[0.08em] uppercase text-[#7F7F7F]">数据库文件</p>
-              <p class="mt-1 text-lg font-semibold text-[#000000e6]">{{ detectionResult.data?.total_databases || 0 }} 个</p>
+              <div class="grid gap-2 sm:grid-cols-3">
+                <div class="rounded-md border border-[#E1EFE5] bg-[#F7FCF8]/86 px-2.5 py-2.5">
+                  <div class="flex items-center gap-2 text-[13px] font-medium text-[#000000e6]">
+                    <span class="h-1.5 w-1.5 rounded-full bg-[#07C160]"></span>
+                    <span>检查环境</span>
+                  </div>
+                  <p class="mt-1 text-[12px] leading-5 text-[#7F7F7F]">读取微信安装与数据目录</p>
+                </div>
+
+                <div class="rounded-md border border-[#E1EFE5] bg-[#F7FCF8]/86 px-2.5 py-2.5">
+                  <div class="flex items-center gap-2 text-[13px] font-medium text-[#000000e6]">
+                    <span class="h-1.5 w-1.5 rounded-full bg-[#07C160]"></span>
+                    <span>匹配账号</span>
+                  </div>
+                  <p class="mt-1 text-[12px] leading-5 text-[#7F7F7F]">找到可操作的本地账号</p>
+                </div>
+
+                <div class="rounded-md border border-[#E1EFE5] bg-[#F7FCF8]/86 px-2.5 py-2.5">
+                  <div class="flex items-center gap-2 text-[13px] font-medium text-[#000000e6]">
+                    <span class="h-1.5 w-1.5 rounded-full bg-[#07C160]"></span>
+                    <span>汇总数据</span>
+                  </div>
+                  <p class="mt-1 text-[12px] leading-5 text-[#7F7F7F]">整理后续解密所需信息</p>
+                </div>
+              </div>
             </div>
-            <div class="w-9 h-9 shrink-0 bg-[#91D300]/10 rounded-lg flex items-center justify-center">
-              <svg class="w-[18px] h-[18px] text-[#91D300]" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 7v10c0 2.21 3.582 4 8 4s8-1.79 8-4V7M4 7c0 2.21 3.582 4 8 4s8-1.79 8-4M4 7c0-2.21 3.582-4 8-4s8 1.79 8 4m0 5c0 2.21-3.582 4-8 4s-8-1.79-8-4"/>
-              </svg>
+
+            <div class="flex flex-col gap-2 border-t border-[#DDF4E7] pt-3 text-[12px] leading-5 text-[#7F7F7F] sm:flex-row sm:items-center sm:justify-between">
+              <span>如果等待时间较长，通常是本地文件较多或磁盘读取较慢。</span>
+              <span class="font-medium text-[#07C160]">请稍候</span>
             </div>
           </div>
         </div>
       </div>
 
-      <!-- 第一步检测：数据目录与微信安装目录都在这里设置 -->
-      <div v-if="!loading" class="bg-white/90 backdrop-blur rounded-xl p-3.5 md:p-4 border border-[#EDEDED] mb-4 space-y-3">
-        <div class="flex flex-col md:flex-row md:items-center justify-between gap-3">
-          <div>
-            <h3 class="text-[13px] font-semibold text-[#000000e6] flex items-center">
-              未找到想要的账号？
-<!--            <span class="ml-2 px-2 py-0.5 bg-gray-100 text-gray-500 rounded text-xs font-normal">深度检测兜底</span>-->
-            </h3>
-            <p class="text-[11px] text-[#7F7F7F] mt-1">
-              <span v-if="customPath">当前指定检测路径：<span class="font-mono bg-gray-50 px-1 rounded text-[#000000e6]">{{ customPath }}</span></span>
-              <span v-else>如果自动检测漏了，您可以手动指定微信数据根目录 (通常名为 xwechat_files) 让系统重新扫描。</span>
-            </p>
+      <section v-else class="grid gap-4 lg:grid-cols-[0.82fr_1.18fr]">
+        <aside class="space-y-3">
+          <div
+            v-if="detectionResult && !detectionResult.error"
+            class="grid grid-cols-1 gap-2.5 sm:grid-cols-3 lg:grid-cols-3"
+          >
+            <div class="rounded-lg border border-[#CFEEDB] bg-[#EFFAF3]/82 p-3 backdrop-blur">
+              <p class="text-[12px] font-medium text-[#5F6F66]">微信版本</p>
+              <p class="mt-1.5 truncate text-[22px] font-semibold tracking-[-0.03em] text-[#000000e6]">{{ detectionResult.data?.wechat_version || '未知' }}</p>
+            </div>
+            <div class="rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-3 backdrop-blur">
+              <p class="text-[12px] font-medium text-[#5F6F66]">检测账号</p>
+              <p class="mt-1.5 text-[22px] font-semibold tracking-[-0.03em] text-[#000000e6]">{{ detectionResult.data?.total_accounts || 0 }} 个</p>
+            </div>
+            <div class="rounded-lg border border-[#CFEEDB] bg-[#F1FAF4]/82 p-3 backdrop-blur">
+              <p class="text-[12px] font-medium text-[#5F6F66]">数据库文件</p>
+              <p class="mt-1.5 text-[22px] font-semibold tracking-[-0.03em] text-[#000000e6]">{{ detectionResult.data?.total_databases || 0 }} 个</p>
+            </div>
           </div>
-          <button @click="handlePickDirectory" :disabled="loading"
-                  class="shrink-0 px-4 py-2.5 bg-[#07C160] text-white rounded-xl text-xs font-medium hover:bg-[#06AD56] focus:ring-2 focus:ring-[#07C160] focus:ring-offset-1 disabled:opacity-50 transition-all duration-200 flex items-center justify-center">
-            <svg v-if="!loading" class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z"/>
-            </svg>
-            <svg v-else class="w-4 h-4 mr-2 animate-spin" fill="none" viewBox="0 0 48 48" aria-hidden="true">
-              <circle class="opacity-20" cx="24" cy="24" r="18" stroke="currentColor" stroke-width="6"></circle>
-              <circle
-                cx="24"
-                cy="24"
-                r="18"
-                stroke="currentColor"
-                stroke-width="6"
-                stroke-linecap="round"
-                stroke-dasharray="28 72"
-                pathLength="100"
-                transform="rotate(-90 24 24)"
-              ></circle>
-            </svg>
-            {{ loading ? '检测中...' : '手动选择目录检测' }}
-          </button>
-        </div>
 
-        <div class="pt-3 border-t border-[#F3F3F3]">
-          <label for="wechatInstallPath" class="block text-[13px] font-medium text-[#000000e6] mb-2">
-            微信安装目录（第一步先填这里）
-          </label>
-          <div class="flex flex-col lg:flex-row gap-3">
+          <div class="rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-4 backdrop-blur sm:p-5">
+            <div class="flex items-center justify-between gap-2.5">
+              <div>
+                <div class="text-[15px] font-medium text-[#000000e6]">手动补充路径</div>
+                <p class="mt-1 text-[12px] leading-5 text-[#7F7F7F]">自动检测不完整时，可以指定微信数据根目录重新扫描。</p>
+              </div>
+            </div>
+
+            <div v-if="customPath" class="mt-3 rounded-md border border-[#E1EFE5] bg-[#F7FCF8]/86 px-2.5 py-2.5">
+              <p class="text-[12px] font-medium text-[#5F6F66]">当前检测路径</p>
+              <p class="mt-1 break-all font-mono text-[12px] leading-5 text-[#000000d9]">{{ customPath }}</p>
+            </div>
+
+            <button
+              type="button"
+              :disabled="loading"
+              class="mt-3 inline-flex w-full items-center justify-center rounded-lg bg-[#07C160] px-3 py-2.5 text-sm font-medium text-white transition hover:bg-[#06AD56] focus:outline-none focus:ring-2 focus:ring-[#07C160]/25 disabled:opacity-50"
+              @click="handlePickDirectory"
+            >
+              <svg v-if="!loading" class="mr-2 h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z" />
+              </svg>
+              <svg v-else class="mr-2 h-4 w-4 animate-spin" fill="none" viewBox="0 0 48 48" aria-hidden="true">
+                <circle class="opacity-20" cx="24" cy="24" r="18" stroke="currentColor" stroke-width="6"></circle>
+                <circle cx="24" cy="24" r="18" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-dasharray="28 72" pathLength="100" transform="rotate(-90 24 24)"></circle>
+              </svg>
+              {{ loading ? '检测中...' : '选择 xwechat_files 目录' }}
+            </button>
+          </div>
+
+          <div class="rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-4 backdrop-blur sm:p-5">
+            <label for="wechatInstallPath" class="block text-[15px] font-medium text-[#000000e6]">
+              微信安装目录
+            </label>
+            <p class="mt-1 text-[12px] leading-5 text-[#7F7F7F]">
+              一键获取数据库密钥会优先使用这里的路径。
+            </p>
             <input
               id="wechatInstallPath"
               v-model="wechatInstallPath"
               type="text"
               placeholder="例如: D:\Program Files\Tencent\WeChat 或 D:\Program Files\Tencent\WeChat\Weixin.exe"
-              class="flex-1 px-4 py-2.5 bg-white border border-[#EDEDED] rounded-lg font-mono text-[13px] focus:outline-none focus:ring-2 focus:ring-[#07C160] focus:border-transparent transition-all duration-200"
+              class="mt-3 w-full rounded-lg border border-[#DDEBE0] bg-[#F7FCF8]/86 px-3 py-2 font-mono text-[13px] text-[#000000d9] transition focus:border-[#07C160] focus:outline-none focus:ring-2 focus:ring-[#07C160]/20"
               @blur="persistWechatInstallPath"
             />
             <button
               type="button"
-              @click="pickWechatInstallDirectory"
               :disabled="isPickingWechatInstallPath"
-              class="shrink-0 px-4 py-2.5 bg-white border border-[#EDEDED] text-[#000000e6] rounded-xl text-xs font-medium hover:bg-gray-50 disabled:opacity-50 disabled:cursor-wait transition-all duration-200"
+              class="mt-2 inline-flex w-full items-center justify-center rounded-lg border border-[#DDEBE0] bg-[#F7FCF8]/86 px-3 py-2 text-sm font-medium text-[#4A4A4A] transition hover:bg-[#F1FAF4] focus:outline-none focus:ring-2 focus:ring-[#07C160]/15 disabled:cursor-wait disabled:opacity-50"
+              @click="pickWechatInstallDirectory"
             >
               {{ isPickingWechatInstallPath ? '选择中...' : '选择微信目录' }}
             </button>
           </div>
-          <p class="text-[11px] text-[#7F7F7F] mt-2">
-            一键获取数据库密钥会优先使用这里填写的路径。支持填写安装目录，也支持直接填写 <span class="font-mono">Weixin.exe</span> / <span class="font-mono">WeChat.exe</span> 路径。
-          </p>
-        </div>
-      </div>
-      
-      <!-- 主内容区域 -->
-      <div :class="loading ? 'flex min-h-[52vh] items-center justify-center' : ''">
-        <!-- 检测中状态 -->
-        <div v-if="loading" class="w-full max-w-3xl rounded-[24px] border border-[#EDEDED] bg-white/92 px-5 py-6 sm:px-8 sm:py-7">
-          <div class="flex flex-col items-center text-center">
-            <div class="relative flex h-12 w-12 items-center justify-center rounded-2xl bg-[#07C160]/10">
-              <span class="absolute inset-0 rounded-2xl border border-[#07C160]/10"></span>
-              <svg class="h-5 w-5 animate-spin text-[#07C160]" viewBox="0 0 24 24" fill="none" aria-hidden="true">
-                <circle cx="12" cy="12" r="9" stroke="currentColor" stroke-width="2.5" class="opacity-20"></circle>
-                <path d="M21 12a9 9 0 0 0-9-9" stroke="currentColor" stroke-width="2.5" stroke-linecap="round"></path>
-              </svg>
-            </div>
+        </aside>
 
-            <div class="mt-4 flex flex-wrap items-center justify-center gap-2">
-              <span class="inline-flex items-center rounded-full bg-[#07C160]/10 px-2.5 py-1 text-[11px] font-medium text-[#07C160]">
-                检测中
-              </span>
-              <span class="text-[11px] text-[#7F7F7F]">正在自动读取本机微信环境</span>
-            </div>
-
-            <h3 class="mt-3 text-[20px] font-semibold text-[#000000e6] leading-tight">正在检查账号与数据库文件</h3>
-            <p class="mt-2 max-w-[560px] text-[13px] leading-6 text-[#7F7F7F]">
-              会依次确认微信安装信息、最近登录账号以及可用数据库，通常几秒内完成。
-            </p>
-
-            <div class="mt-5 h-1.5 w-full max-w-[620px] overflow-hidden rounded-full bg-[#F3F4F6]">
-              <div class="h-full w-2/5 rounded-full bg-gradient-to-r from-[#07C160] via-[#34D17A] to-[#8CE0AF] animate-pulse"></div>
-            </div>
-
-            <div class="mt-5 flex flex-wrap items-center justify-center gap-2.5">
-              <div class="inline-flex items-center gap-2 rounded-full border border-[#EDEDED] bg-[#FAFAFA] px-3 py-2 text-[12px] text-[#000000d9]">
-                <span class="h-2 w-2 rounded-full bg-[#07C160] animate-pulse"></span>
-                <span>安装信息</span>
-              </div>
-              <div class="inline-flex items-center gap-2 rounded-full border border-[#EDEDED] bg-[#FAFAFA] px-3 py-2 text-[12px] text-[#000000d9]">
-                <span class="h-2 w-2 rounded-full bg-[#07C160] animate-pulse"></span>
-                <span>账号匹配</span>
-              </div>
-              <div class="inline-flex items-center gap-2 rounded-full border border-[#EDEDED] bg-[#FAFAFA] px-3 py-2 text-[12px] text-[#000000d9]">
-                <span class="h-2 w-2 rounded-full bg-[#07C160] animate-pulse"></span>
-                <span>数据库汇总</span>
+        <div class="rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-4 backdrop-blur sm:p-5">
+          <div v-if="detectionResult?.error" class="flex min-h-[340px] flex-col justify-between gap-4">
+            <div>
+              <div class="flex items-center gap-2 text-[13px] font-medium text-[#D64A4A]">
+                <svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+                </svg>
+                <span>未找到微信数据</span>
               </div>
+              <h2 class="mt-3 text-[22px] font-semibold tracking-[-0.03em] text-[#000000e6] sm:text-[28px]">可以手动指定目录重试</h2>
+              <p class="mt-2 text-[14px] leading-6 text-[#9C5F5F]">{{ detectionResult.error }}</p>
             </div>
+
+            <div class="rounded-lg border border-[#F4D6D6] bg-[#FFF7F7] p-3 text-[13px] leading-6 text-[#9C5F5F]">
+              请尝试选择微信数据根目录，通常名为 <span class="font-mono">xwechat_files</span>。
+            </div>
+
+            <button
+              type="button"
+              class="inline-flex w-full items-center justify-center rounded-lg bg-[#07C160] px-3 py-2.5 text-sm font-medium text-white transition hover:bg-[#06AD56] focus:outline-none focus:ring-2 focus:ring-[#07C160]/25"
+              @click="handlePickDirectory"
+            >
+              重新选择目录
+            </button>
           </div>
-        </div>
 
-        <!-- detection result content -->
-        <div v-if="detectionResult && !loading">
-          <!-- 错误信息 -->
-          <div v-if="detectionResult.error" class="bg-red-50 rounded-2xl border border-red-100 p-6">
-            <div class="flex items-center">
-              <svg class="w-8 h-8 text-red-500 mr-3 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/>
-              </svg>
+          <div v-else-if="detectionResult?.data?.accounts && detectionResult.data.accounts.length > 0" class="space-y-3">
+            <div class="flex flex-col gap-2 border-b border-[#DDEBE0] pb-3 sm:flex-row sm:items-end sm:justify-between">
               <div>
-                <p class="text-lg font-bold text-red-800">未找到微信数据</p>
-                <p class="text-red-600 mt-1 text-sm">{{ detectionResult.error }}</p>
+                <h2 class="text-[22px] font-semibold tracking-[-0.03em] text-[#000000e6]">可操作的微信账号</h2>
+                <p class="mt-1 text-[13px] leading-6 text-[#7F7F7F]">点击解密提取，会将该账号信息带入下一步。</p>
               </div>
+              <span class="rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2.5 py-1 text-[12px] font-medium text-[#07C160]">
+                {{ sortedAccounts.length }} 个账号
+              </span>
             </div>
-          </div>
-          
-          <!-- 成功结果 -->
-          <div v-else class="space-y-3">
-            <!-- 账户列表 -->
-            <div v-if="detectionResult.data?.accounts && detectionResult.data.accounts.length > 0"
-                 class="bg-white/92 backdrop-blur rounded-2xl border border-[#EDEDED] overflow-hidden">
-              <div class="px-4 py-3 border-b border-[#EDEDED] bg-[#fafafa] flex items-center justify-between">
-                <h3 class="text-[15px] font-semibold text-[#000000e6]">可操作的微信账户</h3>
-                <span class="text-[11px] text-gray-500">点击解密即可提取数据</span>
-              </div>
-              <div class="divide-y divide-[#EDEDED] max-h-[420px] overflow-y-auto">
-                <div v-for="(account, index) in sortedAccounts" :key="index"
-                     :class="['px-4 py-3.5 transition-all duration-200 relative overflow-hidden', isCurrentAccount(account.account_name) ? 'bg-[#07C160]/5 border border-[#07C160]/20' : 'hover:bg-[#F9F9F9]']">
 
-                  <div v-if="isCurrentAccount(account.account_name)" class="absolute top-0 right-0 bg-gradient-to-l from-[#07C160]/20 to-transparent px-3 py-1 rounded-bl-xl flex items-center">
-    <span class="text-xs text-[#07C160] font-bold flex items-center">
-      <svg class="w-3 h-3 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/></svg>
-      最近登录账户
-    </span>
-                  </div>
+            <div class="max-h-[460px] space-y-2.5 overflow-y-auto pr-1">
+              <div
+                v-for="(account, index) in sortedAccounts"
+                :key="index"
+                :class="[
+                  'rounded-lg border p-3 transition',
+                  isCurrentAccount(account.account_name)
+                    ? 'border-[#AEE6C4] bg-[#EAF8EF]/86'
+                    : 'border-[#E1EFE5] bg-[#F7FCF8]/86 hover:border-[#CFEEDB] hover:bg-[#F1FAF4]'
+                ]"
+              >
+                <div class="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
+                  <div class="flex min-w-0 items-center gap-2.5">
+                    <template v-if="isCurrentAccount(account.account_name) && currentAccountInfo?.avatar">
+                      <img :src="currentAccountInfo.avatar" class="h-12 w-12 shrink-0 rounded-md border border-[#AEE6C4] bg-white object-cover" alt="" />
+                    </template>
+                    <template v-else>
+                      <div class="flex h-12 w-12 shrink-0 items-center justify-center rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86">
+                        <span class="text-[17px] font-semibold text-[#07C160]">{{ account.account_name?.charAt(0)?.toUpperCase() || 'U' }}</span>
+                      </div>
+                    </template>
 
-                  <div class="flex items-center justify-between gap-3 mt-1">
-                    <div class="flex-1">
-                      <div class="flex items-center">
-                        <template v-if="isCurrentAccount(account.account_name) && currentAccountInfo?.avatar">
-                          <img :src="currentAccountInfo.avatar" class="w-12 h-12 rounded-xl border-2 border-[#07C160]/30 mr-3 object-cover bg-white"  alt=""/>
+                    <div class="min-w-0">
+                      <div class="flex flex-wrap items-center gap-2">
+                        <template v-if="isCurrentAccount(account.account_name) && currentAccountInfo?.nickname">
+                          <p class="truncate text-[18px] font-semibold tracking-[-0.03em] text-[#000000e6]">{{ currentAccountInfo.nickname }}</p>
                         </template>
                         <template v-else>
-                          <div class="w-12 h-12 bg-gradient-to-br from-[#07C160]/10 to-[#91D300]/10 rounded-xl flex items-center justify-center mr-3">
-                            <span class="text-[#07C160] font-bold text-lg">{{ account.account_name?.charAt(0)?.toUpperCase() || 'U' }}</span>
-                          </div>
+                          <p class="truncate text-[16px] font-semibold text-[#000000e6]">{{ account.account_name || '未知账户' }}</p>
                         </template>
+                      </div>
 
-                        <div>
-                          <div class="flex flex-col">
-                            <template v-if="isCurrentAccount(account.account_name) && currentAccountInfo?.nickname">
-                              <p class="text-lg font-bold text-[#000000e6] leading-tight">{{ currentAccountInfo.nickname }}</p>
-                              <p class="text-[11px] text-[#7F7F7F] mt-0.5 font-mono">wxid: {{ account.account_name }}</p>
-                            </template>
-                            <template v-else>
-                              <p class="text-[15px] font-semibold text-[#000000e6]">{{ account.account_name || '未知账户' }}</p>
-                            </template>
-                          </div>
+                      <p v-if="isCurrentAccount(account.account_name) && currentAccountInfo?.nickname" class="mt-1 truncate font-mono text-[12px] text-[#7F7F7F]">
+                        wxid: {{ account.account_name }}
+                      </p>
 
-                          <div class="flex items-center mt-1.5 space-x-3 text-[12px] text-[#7F7F7F]">
-            <span class="flex items-center">
-              <svg class="w-4 h-4 mr-1 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 7v10c0 2.21 3.582 4 8 4s8-1.79 8-4V7M4 7c0 2.21 3.582 4 8 4s8-1.79 8-4M4 7c0-2.21 3.582-4 8-4s8 1.79 8 4"/>
-              </svg>
-              {{ account.database_count }} 个库文件
-            </span>
-                            <span v-if="account.data_dir" class="flex items-center">
-              <svg class="w-4 h-4 mr-1 text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/>
-              </svg>
-              路径已确认
-            </span>
-                          </div>
-                        </div>
+                      <div class="mt-1.5 flex flex-wrap items-center gap-2 text-[12px] text-[#7F7F7F]">
+                        <span class="rounded-md border border-[#E1EFE5] bg-[#F4FAF6]/82 px-2 py-1">{{ account.database_count }} 个库文件</span>
+                        <span v-if="isCurrentAccount(account.account_name)" class="rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2 py-1 font-medium text-[#07C160]">最近登录</span>
+                        <span v-if="account.data_dir" class="rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2 py-1 text-[#07C160]">路径已确认</span>
                       </div>
                     </div>
-
-                    <button @click="goToDecrypt(account)"
-                            class="inline-flex items-center px-4 py-2 bg-[#07C160] text-white rounded-lg font-semibold hover:bg-[#06AD56] hover:-translate-y-0.5 transition-all duration-200 text-xs shrink-0 z-10">
-                      解密提取
-                      <svg class="w-4 h-4 ml-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/>
-                      </svg>
-                    </button>
                   </div>
 
-                  <div class="mt-3 pt-2.5 border-t border-dashed border-gray-200 text-sm text-gray-400">
-                    <p v-if="account.data_dir" class="font-mono text-[11px] truncate" title="复制路径">
-                      📂 {{ account.data_dir }}
-                    </p>
-                  </div>
+                  <button
+                    type="button"
+                    class="inline-flex shrink-0 items-center justify-center rounded-lg bg-[#07C160] px-3 py-2 text-sm font-medium text-white transition hover:bg-[#06AD56] focus:outline-none focus:ring-2 focus:ring-[#07C160]/25"
+                    @click="goToDecrypt(account)"
+                  >
+                    解密提取
+                    <svg class="ml-1.5 h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" />
+                    </svg>
+                  </button>
+                </div>
+
+                <div v-if="account.data_dir" class="mt-3 border-t border-dashed border-[#DDEBE0] pt-2.5">
+                  <p class="truncate font-mono text-[12px] text-[#7F7F7F]" :title="account.data_dir">
+                    {{ account.data_dir }}
+                  </p>
                 </div>
               </div>
             </div>
+          </div>
 
-            <!-- 无账户提示 -->
-            <div v-else class="bg-white rounded-2xl p-8 text-center border border-[#EDEDED]">
-              <svg class="w-12 h-12 mx-auto text-gray-300 mb-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9.172 16.172a4 4 0 015.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/>
-              </svg>
-              <p class="text-base text-[#000000e6] font-medium">没有在这台设备上发现微信数据</p>
-              <p class="text-sm text-gray-500 mt-2">您可以尝试通过上方的按钮手动指定 "xwechat_files" 文件夹路径。</p>
-            </div>
+          <div v-else class="flex min-h-[340px] flex-col items-center justify-center rounded-lg border border-[#DDEBE0] bg-[#F7FCF8]/86 p-5 text-center">
+            <svg class="mb-3 h-10 w-10 text-[#9CA3AF]" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9.172 16.172a4 4 0 015.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+            </svg>
+            <p class="text-[18px] font-semibold tracking-[-0.03em] text-[#000000e6]">没有发现微信数据</p>
+            <p class="mt-1.5 max-w-md text-[13px] leading-6 text-[#7F7F7F]">可以尝试手动指定 <span class="font-mono">xwechat_files</span> 文件夹后重新检测。</p>
           </div>
         </div>
-      </div>
-    </div>
+      </section>
+    </main>
   </div>
 </template>
 
+
 <script setup>
 import {computed, onMounted, ref} from 'vue'
 import {useApi} from '~/composables/useApi'
diff --git a/frontend/pages/import.vue b/frontend/pages/import.vue
index d8e8f84..aadf870 100644
--- a/frontend/pages/import.vue
+++ b/frontend/pages/import.vue
@@ -1,102 +1,143 @@
 <template>
-  <div class="import-page min-h-screen relative overflow-hidden">
-    <div class="absolute inset-0 bg-grid-pattern opacity-5 pointer-events-none"></div>
+  <div class="import-page relative min-h-screen overflow-hidden px-4 py-5 text-[#000000e6] sm:px-6 sm:py-5">
+    <div class="pointer-events-none absolute inset-0 bg-grid-pattern opacity-5"></div>
+    <div class="pointer-events-none absolute left-20 top-20 h-72 w-72 rounded-full bg-[#07C160] opacity-5 blur-3xl"></div>
+    <div class="pointer-events-none absolute right-20 top-40 h-96 w-96 rounded-full bg-[#10AEEF] opacity-5 blur-3xl"></div>
+    <div class="pointer-events-none absolute -bottom-8 left-40 h-80 w-80 rounded-full bg-[#91D300] opacity-5 blur-3xl"></div>
 
-    <div class="relative z-10 mx-auto flex min-h-screen w-full max-w-4xl items-center justify-center px-4 py-6 sm:px-6 sm:py-8">
-      <div class="w-full rounded-[28px] border border-[#EDEDED] bg-white/92 backdrop-blur-sm">
-        <div class="px-5 py-5 sm:px-7 sm:py-7">
-          <div class="mb-5 flex items-start justify-between gap-3">
-            <div class="flex min-w-0 items-center gap-3">
-              <div class="flex h-11 w-11 shrink-0 items-center justify-center rounded-2xl bg-[#07C160]/10 text-[#07C160]">
-                <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
-                </svg>
-              </div>
-              <div class="min-w-0">
-                <p class="text-[11px] uppercase tracking-[0.12em] text-[#7F7F7F]">导入备份</p>
-                <h1 class="mt-1 text-[24px] font-semibold leading-none text-[#000000e6]">数据导入</h1>
-                <p class="mt-2 text-sm text-[#7F7F7F]">导入已解密的微信备份目录，支持本项目导出和 wxdump 的 output/wxid_xxx 结构。</p>
-              </div>
-            </div>
+    <main class="relative z-10 mx-auto flex min-h-[calc(100vh-40px)] w-full max-w-6xl flex-col justify-start">
+      <div class="mb-4 flex items-start justify-between gap-4 rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-5 backdrop-blur">
+        <div class="min-w-0">
+          <p class="text-[12px] font-medium tracking-[0.16em] text-[#07C160]">导入备份</p>
+          <h1 class="mt-2 text-[30px] font-semibold leading-tight tracking-[-0.04em] text-[#000000e6] sm:text-[38px]">
+            接入已准备好的本地数据
+          </h1>
+          <p class="mt-3 max-w-2xl text-[14px] leading-7 text-[#6B7280]">
+            选择已解密的微信备份目录，先检查账号与文件结构，确认后再导入到本地数据区。
+          </p>
+        </div>
 
-            <NuxtLink
-              to="/"
-              class="inline-flex shrink-0 items-center rounded-lg px-3 py-1.5 text-xs font-medium text-[#07C160] transition-colors hover:bg-[#F3FBF6] hover:text-[#06AD56]"
-            >
-              <svg class="mr-1 h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18" />
+        <NuxtLink
+          to="/"
+          class="inline-flex shrink-0 items-center rounded-lg border border-[#CFEEDB] bg-[#F7FDF9]/82 px-2.5 py-1.5 text-xs font-medium text-[#07C160] transition hover:border-[#CFEEDB] hover:bg-[#F7FDF9] focus:outline-none focus:ring-2 focus:ring-[#07C160]/20"
+        >
+          <svg class="mr-1.5 h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18" />
+          </svg>
+          返回首页
+        </NuxtLink>
+      </div>
+
+      <section class="grid gap-5 lg:grid-cols-[0.82fr_1.18fr]">
+        <aside class="space-y-4">
+          <div class="rounded-lg border border-[#CFEEDB] bg-[#EFFAF3]/82 p-5 backdrop-blur">
+            <div class="flex items-center gap-2 text-[15px] font-medium text-[#000000e6]">
+              <svg class="h-5 w-5 text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z" />
               </svg>
-              返回首页
-            </NuxtLink>
+              <span>选择哪个目录</span>
+            </div>
+            <p class="mt-3 text-[13px] leading-6 text-[#6B7280]">
+              建议直接选择账号目录。如果是 wxdump 导出，且 output 下只有一个账号，也可以选择 output 根目录。
+            </p>
+            <div class="mt-4 flex flex-wrap gap-2">
+              <span class="rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2.5 py-1 text-[12px] font-mono text-[#4A4A4A]">wxid_xxxxx/</span>
+              <span class="rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2.5 py-1 text-[12px] font-mono text-[#4A4A4A]">databases/</span>
+              <span class="rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2.5 py-1 text-[12px] font-mono text-[#4A4A4A]">database/</span>
+              <span class="rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2.5 py-1 text-[12px] font-mono text-[#4A4A4A]">media/</span>
+            </div>
           </div>
 
-          <div class="mb-5 rounded-[22px] border border-[#E8EFE8] bg-[#F8FBF8] px-4 py-4 sm:px-5">
-            <div class="flex flex-col gap-3 sm:flex-row sm:items-start sm:justify-between">
-              <div class="flex min-w-0 items-start gap-3">
-                <div class="mt-0.5 flex h-8 w-8 shrink-0 items-center justify-center rounded-xl bg-white text-[#07C160] ring-1 ring-[#E7F1E8]">
-                  <svg class="h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
-                  </svg>
-                </div>
-                <div class="min-w-0">
-                  <div class="text-[13px] font-semibold text-[#000000d9]">目录要求</div>
-                  <p class="mt-1 text-sm leading-6 text-[#6F6F6F]">支持本项目导出和 wxdump 导出。优先选择账号目录；若 output 下只有一个账号，也可直接选 output。</p>
+          <div class="rounded-lg border border-[#CFEEDB] bg-[#F1FAF4]/82 p-5 backdrop-blur">
+            <div class="text-[15px] font-medium text-[#000000e6]">导入流程</div>
+            <div class="mt-4 space-y-3">
+              <div class="flex gap-3">
+                <span class="mt-1 flex h-5 w-5 shrink-0 items-center justify-center rounded-md border border-[#CFEEDB] text-[11px] font-medium text-[#07C160]">1</span>
+                <div>
+                  <div class="text-[13px] font-medium text-[#000000d9]">选择目录</div>
+                  <p class="mt-2 text-[12px] leading-5 text-[#7F7F7F]">使用系统目录选择器定位备份。</p>
                 </div>
               </div>
-              <div class="flex shrink-0 flex-wrap gap-2 sm:justify-end">
-                <span class="inline-flex items-center rounded-full border border-[#DDEBE0] bg-white px-3 py-1 text-xs font-medium text-[#4A4A4A]">databases/</span>
-                <span class="inline-flex items-center rounded-full border border-[#DDEBE0] bg-white px-3 py-1 text-xs font-medium text-[#4A4A4A]">database/</span>
-                <span class="inline-flex items-center rounded-full border border-[#DDEBE0] bg-white px-3 py-1 text-xs font-medium text-[#4A4A4A]">media/</span>
+              <div class="flex gap-3">
+                <span class="mt-1 flex h-5 w-5 shrink-0 items-center justify-center rounded-md border border-[#CFEEDB] text-[11px] font-medium text-[#07C160]">2</span>
+                <div>
+                  <div class="text-[13px] font-medium text-[#000000d9]">预览确认</div>
+                  <p class="mt-2 text-[12px] leading-5 text-[#7F7F7F]">先识别账号、数据库和资源文件。</p>
+                </div>
+              </div>
+              <div class="flex gap-3">
+                <span class="mt-1 flex h-5 w-5 shrink-0 items-center justify-center rounded-md border border-[#CFEEDB] text-[11px] font-medium text-[#07C160]">3</span>
+                <div>
+                  <div class="text-[13px] font-medium text-[#000000d9]">执行导入</div>
+                  <p class="mt-2 text-[12px] leading-5 text-[#7F7F7F]">如果账号已存在，会先备份旧数据。</p>
+                </div>
               </div>
             </div>
-
           </div>
 
-          <div v-if="!importPreview && !importError && !importing" class="animate-fade-in">
-            <div
-              class="group cursor-pointer rounded-[24px] border border-dashed border-[#D8E5DA] bg-[#FCFDFC] px-6 py-10 text-center transition-colors duration-200 hover:border-[#07C160] hover:bg-white"
-              @click="handlePickDirectory"
-            >
-              <div class="mx-auto flex h-14 w-14 items-center justify-center rounded-2xl bg-white text-[#07C160] ring-1 ring-[#EDEDED]">
-                <svg class="h-7 w-7" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <div class="rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-4 text-[12px] leading-6 text-[#5F6F66] backdrop-blur">
+            <span class="font-medium text-[#2F6F4A]">提示：</span>
+            导入会复制数据到应用的本地数据区，不会直接在原备份目录上修改。
+          </div>
+        </aside>
+
+        <div class="rounded-lg border border-[#DDEBE0] bg-[#F4FAF6]/82 p-5 backdrop-blur">
+          <div v-if="!importPreview && !importError && !importing && !importComplete" class="animate-fade-in">
+            <div class="flex min-h-[340px] flex-col justify-between gap-5">
+              <div>
+                <div class="flex items-center gap-2 text-[13px] font-medium text-[#07C160]">
+                  <svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
+                  </svg>
+                  <span>第一步</span>
+                </div>
+                <h2 class="mt-4 text-[24px] font-semibold tracking-[-0.03em] text-[#000000e6] sm:text-[30px]">选择备份目录</h2>
+                <p class="mt-3 max-w-xl text-[14px] leading-7 text-[#6B7280]">
+                  点击下方按钮后，选择已解密的账号目录。系统会先做结构检查，不会立即导入。
+                </p>
+              </div>
+
+              <button
+                type="button"
+                class="group flex min-h-[132px] cursor-pointer flex-col items-center justify-center rounded-lg border border-dashed border-[#BFE6CF] bg-[#F3FFF8] px-5 py-6 text-center transition hover:border-[#07C160] hover:bg-[#EFFAF3] focus:outline-none focus:ring-2 focus:ring-[#07C160]/20"
+                @click="handlePickDirectory"
+              >
+                <svg class="h-8 w-8 text-[#07C160] transition group-hover:-translate-y-0.5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
                   <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z" />
                 </svg>
-              </div>
-              <h3 class="mt-4 text-lg font-semibold text-[#000000e6]">选择解密备份目录</h3>
-              <p class="mt-2 text-sm text-[#7F7F7F]">建议选择 `wxid_xxxxx` 层级；wxdump 的 `output` 根目录在单账号时也支持。</p>
-              <div class="mt-5 inline-flex items-center rounded-full bg-[#07C160] px-4 py-2 text-sm font-medium text-white transition-colors duration-200 group-hover:bg-[#06AD56]">
-                点击开始选择
-              </div>
-              <p class="mt-4 text-xs text-[#A3A3A3]">桌面端优先使用系统目录选择器，异常时会自动回退到手动输入。</p>
+                <span class="mt-4 text-[15px] font-medium text-[#000000e6]">打开目录选择器</span>
+                <span class="mt-2 text-[12px] leading-5 text-[#7F7F7F]">建议选到 wxid_xxxxx 账号层级</span>
+              </button>
             </div>
           </div>
 
           <div v-if="importing" class="animate-fade-in">
-            <div class="rounded-[24px] border border-[#EDEDED] bg-[#FCFDFC] px-5 py-8 sm:px-6">
-              <div class="mx-auto flex w-fit items-center gap-2 rounded-full bg-[#07C160]/10 px-3 py-1 text-xs font-medium text-[#07C160]">
-                <span class="inline-flex h-2 w-2 rounded-full bg-current animate-pulse"></span>
-                正在导入
+            <div class="flex min-h-[340px] flex-col justify-between gap-5">
+              <div>
+                <div class="flex items-center gap-2 text-[13px] font-medium text-[#07C160]">
+                  <span class="h-2 w-2 rounded-full bg-[#07C160] animate-pulse"></span>
+                  <span>正在导入</span>
+                </div>
+                <h2 class="mt-4 text-[24px] font-semibold tracking-[-0.03em] text-[#000000e6] sm:text-[30px]">{{ importMessage }}</h2>
+                <p class="mt-3 text-[14px] leading-7 text-[#6B7280]">请保持程序运行，导入完成后可以进入聊天页面查看。</p>
               </div>
 
-              <div class="mt-5 text-center">
-                <p class="text-xl font-semibold text-[#000000e6]">{{ importMessage }}</p>
-                <p class="mt-2 text-sm text-[#7F7F7F]">请保持程序运行，导入完成后可手动进入聊天页面。</p>
-              </div>
-
-              <div class="mt-6 overflow-hidden rounded-full bg-[#EDF3EE]">
-                <div
-                  class="h-2 rounded-full bg-[#07C160] transition-all duration-500"
-                  :style="{ width: `${Math.min(Math.max(importProgress, 0), 100)}%` }"
-                ></div>
-              </div>
-
-              <div class="mt-3 flex items-center justify-between text-xs text-[#7F7F7F]">
-                <span>已连接导入任务</span>
-                <span>{{ importProgress }}%</span>
+              <div class="rounded-lg border border-[#CFEEDB] bg-[#EAF8EF]/82 p-4 sm:p-5">
+                <div class="h-2 overflow-hidden rounded-full border border-[#DDF4E7] bg-[#F7FCF8]/86">
+                  <div
+                    class="h-full rounded-full bg-[#07C160] transition-all duration-500"
+                    :style="{ width: `${Math.min(Math.max(importProgress, 0), 100)}%` }"
+                  ></div>
+                </div>
+                <div class="mt-2 flex items-center justify-between text-[12px] text-[#7F7F7F]">
+                  <span>已连接导入任务</span>
+                  <span class="font-medium text-[#07C160]">{{ importProgress }}%</span>
+                </div>
               </div>
 
               <button
-                class="mt-5 inline-flex w-full items-center justify-center rounded-2xl border border-[#F0D7D7] bg-white px-4 py-3 text-sm font-medium text-[#D64A4A] transition-colors hover:bg-[#FFF7F7]"
+                type="button"
+                class="inline-flex w-full items-center justify-center rounded-lg border border-[#F0D7D7] bg-[#FFF7F7]/76 px-4 py-3 text-sm font-medium text-[#D64A4A] transition hover:bg-[#FFF7F7] focus:outline-none focus:ring-2 focus:ring-[#D64A4A]/15"
                 @click="cancelImport"
               >
                 取消导入
@@ -104,34 +145,41 @@
             </div>
           </div>
 
-          <div v-if="importComplete && !importing" class="animate-fade-in space-y-4">
-            <div class="rounded-[24px] border border-[#DCEFE2] bg-[#F7FCF8] px-5 py-7 text-center sm:px-6">
-              <div class="mx-auto flex h-14 w-14 items-center justify-center rounded-2xl bg-[#07C160]/10 text-[#07C160]">
-                <svg class="h-7 w-7" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
-                </svg>
+          <div v-if="importComplete && !importing" class="animate-fade-in">
+            <div class="flex min-h-[340px] flex-col justify-between gap-5">
+              <div>
+                <div class="flex items-center gap-2 text-[13px] font-medium text-[#07C160]">
+                  <svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
+                  </svg>
+                  <span>导入完成</span>
+                </div>
+                <h2 class="mt-4 text-[24px] font-semibold tracking-[-0.03em] text-[#000000e6] sm:text-[30px]">数据已就绪</h2>
+                <p class="mt-3 text-[14px] leading-7 text-[#6B7280]">{{ importComplete.message || '账号数据已成功导入。' }}</p>
               </div>
-              <h2 class="mt-4 text-xl font-semibold text-[#000000e6]">导入完成</h2>
-              <p class="mt-2 text-sm leading-6 text-[#6F6F6F]">{{ importComplete.message || '账号数据已成功导入。' }}</p>
-              <div class="mt-4 rounded-2xl border border-[#E2EFE5] bg-white px-4 py-3 text-left text-sm text-[#4A4A4A]">
-                <div class="flex items-center justify-between gap-3">
+
+              <div class="rounded-lg border border-[#CFEEDB] bg-[#EAF8EF]/82 p-3 text-sm">
+                <div class="flex items-center justify-between gap-2.5">
                   <span class="text-[#7F7F7F]">账号</span>
-                  <span class="min-w-0 truncate font-mono text-xs">{{ importComplete.account }}</span>
+                  <span class="min-w-0 truncate font-mono text-xs text-[#000000d9]">{{ importComplete.account }}</span>
                 </div>
-                <div v-if="importComplete.backup_dir" class="mt-2 flex items-start justify-between gap-3">
+                <div v-if="importComplete.backup_dir" class="mt-2 flex items-start justify-between gap-2.5 border-t border-[#DDF4E7] pt-2.5">
                   <span class="shrink-0 text-[#7F7F7F]">旧数据备份</span>
-                  <span class="min-w-0 break-all text-right text-xs">{{ importComplete.backup_dir }}</span>
+                  <span class="min-w-0 break-all text-right text-xs text-[#000000d9]">{{ importComplete.backup_dir }}</span>
                 </div>
               </div>
-              <div class="mt-5 grid gap-3 sm:grid-cols-2">
+
+              <div class="grid gap-3 sm:grid-cols-2">
                 <button
-                  class="inline-flex items-center justify-center rounded-2xl border border-[#E2E2E2] bg-white px-4 py-3 text-sm font-medium text-[#4A4A4A] transition-colors hover:bg-[#F8F8F8]"
+                  type="button"
+                  class="inline-flex items-center justify-center rounded-lg border border-[#DDEBE0] bg-[#F7FCF8]/86 px-4 py-3 text-sm font-medium text-[#4A4A4A] transition hover:bg-[#F1FAF4] focus:outline-none focus:ring-2 focus:ring-[#07C160]/15"
                   @click="retryPickDirectory"
                 >
-                  继续导入其他目录
+                  继续导入
                 </button>
                 <button
-                  class="inline-flex items-center justify-center rounded-2xl bg-[#07C160] px-4 py-3 text-sm font-medium text-white transition-colors hover:bg-[#06AD56]"
+                  type="button"
+                  class="inline-flex items-center justify-center rounded-lg bg-[#07C160] px-4 py-3 text-sm font-medium text-white transition hover:bg-[#06AD56] focus:outline-none focus:ring-2 focus:ring-[#07C160]/25"
                   @click="navigateTo('/chat')"
                 >
                   进入聊天页面
@@ -140,55 +188,62 @@
             </div>
           </div>
 
-          <div v-if="importPreview && !importing && !importComplete" class="animate-fade-in space-y-4">
-            <div class="rounded-[24px] border border-[#EDEDED] bg-[#FCFDFC] px-5 py-5 sm:px-6">
+          <div v-if="importPreview && !importing && !importComplete" class="animate-fade-in space-y-3">
+            <div class="rounded-lg border border-[#CFEEDB] bg-[#EAF8EF]/82 p-4 sm:p-5">
               <div class="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
-                <div class="flex min-w-0 items-center gap-4">
-                  <div class="h-16 w-16 shrink-0 overflow-hidden rounded-2xl border border-[#EDEDED] bg-white">
-                    <img :src="importPreview.avatar_url || '/Contact.png'" class="h-full w-full object-cover" alt="头像" />
-                  </div>
-
+                <div class="flex min-w-0 items-center gap-3">
+                  <img :src="importPreview.avatar_url || '/Contact.png'" class="h-16 w-16 shrink-0 rounded-md border border-[#EDEDED] bg-white object-cover" alt="头像" />
                   <div class="min-w-0">
-                    <p class="text-[11px] uppercase tracking-[0.12em] text-[#7F7F7F]">检测到的账号</p>
-                    <div class="mt-1 truncate text-xl font-semibold text-[#000000e6]">{{ importPreview.nick || '未命名账号' }}</div>
-                    <div class="mt-2 inline-flex max-w-full items-center rounded-full border border-[#EDEDED] bg-white px-3 py-1 text-xs font-mono text-[#7F7F7F]">
-                      <span class="truncate">{{ importPreview.username }}</span>
-                    </div>
+                    <p class="text-[12px] font-medium tracking-[0.12em] text-[#07C160]">检测到的账号</p>
+                    <div class="mt-1 truncate text-[24px] font-semibold tracking-[-0.03em] text-[#000000e6]">{{ importPreview.nick || '未命名账号' }}</div>
+                    <div class="mt-1.5 truncate font-mono text-[12px] text-[#7F7F7F]">{{ importPreview.username }}</div>
                   </div>
                 </div>
-
-                <div class="inline-flex w-fit items-center rounded-full bg-[#07C160]/10 px-3 py-1 text-xs font-medium text-[#07C160]">
-                  可导入
-                </div>
+                <span class="inline-flex w-fit rounded-md border border-[#CFEEDB] bg-[#F4FBF6]/86 px-2.5 py-1 text-[12px] font-medium text-[#07C160]">可导入</span>
               </div>
 
-              <div v-if="selectedImportPath" class="mt-4 rounded-[18px] border border-[#EDEDED] bg-white px-3 py-3">
-                <p class="text-[11px] uppercase tracking-[0.12em] text-[#7F7F7F]">导入路径</p>
-                <p class="mt-1 break-all text-sm text-[#000000d9]">{{ selectedImportPath }}</p>
+              <div v-if="selectedImportPath" class="mt-4 rounded-md border border-[#E1EFE5] bg-[#F7FCF8]/86 px-3 py-3">
+                <p class="text-[12px] font-medium text-[#7F7F7F]">导入路径</p>
+                <p class="mt-1 break-all text-[13px] leading-6 text-[#000000d9]">{{ selectedImportPath }}</p>
               </div>
+            </div>
 
-              <div class="mt-4 flex flex-wrap gap-2">
-                <span class="inline-flex items-center gap-2 rounded-full border border-[#EDEDED] bg-white px-3 py-1.5 text-xs text-[#4A4A4A]">
+            <div class="grid gap-3 sm:grid-cols-2">
+              <div class="rounded-lg border border-[#E1EFE5] bg-[#F7FCF8]/86 p-4">
+                <div class="flex items-center gap-2 text-[13px] font-medium text-[#000000e6]">
                   <span class="h-2 w-2 rounded-full bg-[#07C160]"></span>
-                  数据库已就绪
-                </span>
-                <span class="inline-flex items-center gap-2 rounded-full border border-[#EDEDED] bg-white px-3 py-1.5 text-xs text-[#4A4A4A]">
-                  <span class="h-2 w-2 rounded-full" :class="importPreview.has_resource ? 'bg-[#07C160]' : 'bg-[#C9D2CB]'"></span>
-                  资源文件{{ importPreview.has_resource ? '已发现' : '未发现' }}
-                </span>
+                  <span>数据库</span>
+                </div>
+                <p class="mt-2 text-[12px] leading-5 text-[#7F7F7F]">已检测到可导入的数据库文件。</p>
               </div>
+              <div class="rounded-lg border border-[#E1EFE5] bg-[#F7FCF8]/86 p-4">
+                <div class="flex items-center gap-2 text-[13px] font-medium text-[#000000e6]">
+                  <span class="h-2 w-2 rounded-full" :class="importPreview.has_resource ? 'bg-[#07C160]' : 'bg-[#C9D2CB]'"></span>
+                  <span>资源文件</span>
+                </div>
+                <p class="mt-2 text-[12px] leading-5 text-[#7F7F7F]">{{ importPreview.has_resource ? '已发现图片、视频等资源文件。' : '未发现资源文件，仍可导入数据库。' }}</p>
+              </div>
+            </div>
+
+            <div v-if="importPreview.source_overlaps_target" class="rounded-lg border border-[#F4D6D6] bg-[#FFF7F7] p-4 text-[13px] leading-6 text-[#9C5F5F]">
+              导入源目录与目标数据目录相同或相互包含，请重新选择外部备份目录。
+            </div>
+            <div v-else-if="importPreview.target_exists" class="rounded-lg border border-[#CFEEDB] bg-[#F1FAF4] p-4 text-[13px] leading-6 text-[#5F6F66]">
+              该账号在本地已存在。确认导入时会先备份旧目录，再写入新数据。
             </div>
 
             <div class="grid gap-3 sm:grid-cols-[minmax(0,1fr)_minmax(0,1.35fr)]">
               <button
-                class="inline-flex items-center justify-center rounded-2xl border border-[#E2E2E2] bg-white px-4 py-3 text-sm font-medium text-[#4A4A4A] transition-colors hover:bg-[#F8F8F8]"
+                type="button"
+                class="inline-flex items-center justify-center rounded-lg border border-[#DDEBE0] bg-[#F7FCF8]/86 px-4 py-3 text-sm font-medium text-[#4A4A4A] transition hover:bg-[#F1FAF4] focus:outline-none focus:ring-2 focus:ring-[#07C160]/15"
                 @click="handlePickDirectory"
               >
-                重新选择目录
+                重新选择
               </button>
               <button
+                type="button"
                 :disabled="importing || importPreview?.source_overlaps_target"
-                class="inline-flex items-center justify-center rounded-2xl bg-[#07C160] px-4 py-3 text-sm font-medium text-white transition-colors hover:bg-[#06AD56] disabled:cursor-not-allowed disabled:bg-[#8FD9AE]"
+                class="inline-flex items-center justify-center rounded-lg bg-[#07C160] px-4 py-3 text-sm font-medium text-white transition hover:bg-[#06AD56] focus:outline-none focus:ring-2 focus:ring-[#07C160]/25 disabled:cursor-not-allowed disabled:bg-[#8FD9AE]"
                 @click="confirmImport"
               >
                 确认导入此账号
@@ -196,36 +251,36 @@
             </div>
           </div>
 
-          <div v-if="importError && !importing" class="animate-fade-in space-y-4">
-            <div class="rounded-[22px] border border-[#F4D6D6] bg-[#FFF7F7] px-5 py-5">
-              <div class="flex items-start gap-3">
-                <div class="mt-0.5 flex h-8 w-8 shrink-0 items-center justify-center rounded-full bg-white text-[#E05A5A] ring-1 ring-[#F0D7D7]">
-                  <svg class="h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <div v-if="importError && !importing" class="animate-fade-in">
+            <div class="flex min-h-[340px] flex-col justify-between gap-5">
+              <div>
+                <div class="flex items-center gap-2 text-[13px] font-medium text-[#D64A4A]">
+                  <svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
                     <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                   </svg>
+                  <span>导入失败</span>
                 </div>
-                <div class="min-w-0">
-                  <p class="text-base font-semibold text-[#B64545]">导入失败</p>
-                  <p class="mt-1 text-sm leading-6 text-[#9C5F5F]">{{ importError }}</p>
-                </div>
+                <h2 class="mt-4 text-[24px] font-semibold tracking-[-0.03em] text-[#000000e6] sm:text-[30px]">目录暂时无法识别</h2>
+                <p class="mt-2 text-[14px] leading-6 text-[#9C5F5F]">{{ importError }}</p>
               </div>
 
-              <div v-if="selectedImportPath" class="mt-4 rounded-[18px] border border-[#F1E3E3] bg-white/80 px-3 py-3">
-                <p class="text-[11px] uppercase tracking-[0.12em] text-[#B26B6B]">当前路径</p>
-                <p class="mt-1 break-all text-sm text-[#7A4B4B]">{{ selectedImportPath }}</p>
+              <div v-if="selectedImportPath" class="rounded-lg border border-[#F1E3E3] bg-[#FFF7F7] px-2.5 py-2.5">
+                <p class="text-[12px] font-medium text-[#B26B6B]">当前路径</p>
+                <p class="mt-1 break-all text-[13px] leading-6 text-[#7A4B4B]">{{ selectedImportPath }}</p>
               </div>
+
+              <button
+                type="button"
+                class="inline-flex w-full items-center justify-center rounded-lg border border-[#DDEBE0] bg-[#F7FCF8]/86 px-4 py-3 text-sm font-medium text-[#4A4A4A] transition hover:bg-[#F1FAF4] focus:outline-none focus:ring-2 focus:ring-[#07C160]/15"
+                @click="retryPickDirectory"
+              >
+                重新选择目录
+              </button>
             </div>
-
-            <button
-              class="inline-flex w-full items-center justify-center rounded-2xl border border-[#E2E2E2] bg-white px-4 py-3 text-sm font-medium text-[#4A4A4A] transition-colors hover:bg-[#F8F8F8]"
-              @click="retryPickDirectory"
-            >
-              重新选择目录
-            </button>
           </div>
         </div>
-      </div>
-    </div>
+      </section>
+    </main>
   </div>
 </template>
 
diff --git a/frontend/pages/index.vue b/frontend/pages/index.vue
index 4ebda30..bb30d44 100644
--- a/frontend/pages/index.vue
+++ b/frontend/pages/index.vue
@@ -1,77 +1,146 @@
 <template>
-  <div class="landing-page min-h-screen flex items-center justify-center relative overflow-hidden">
-    <!-- 网格背景 -->
-    <div class="absolute inset-0 bg-grid-pattern opacity-5"></div>
-    
-    <!-- 装饰元素 -->
-    <div class="absolute top-20 left-20 w-72 h-72 bg-[#07C160] opacity-5 rounded-full blur-3xl"></div>
-    <div class="absolute top-40 right-20 w-96 h-96 bg-[#10AEEF] opacity-5 rounded-full blur-3xl"></div>
-    <div class="absolute -bottom-8 left-40 w-80 h-80 bg-[#91D300] opacity-5 rounded-full blur-3xl"></div>
-    
-    <!-- 主要内容区域 -->
-    <div class="relative z-10 text-center">
-      <!-- Logo和标题部分 -->
-      <div class="mb-12 animate-fade-in">
-        <!-- Logo -->
-        <div class="flex justify-center mb-8">
-          <img src="/logo.png" alt="微信解密助手Logo" class="w-48 h-48 object-contain">
+  <div class="landing-page relative h-full min-h-0 overflow-hidden px-4 py-6 text-[#000000e6] sm:px-6 sm:py-8">
+    <div class="pointer-events-none absolute inset-0 bg-grid-pattern opacity-5"></div>
+    <div class="pointer-events-none absolute left-20 top-20 h-72 w-72 rounded-full bg-[#07C160] opacity-5 blur-3xl"></div>
+    <div class="pointer-events-none absolute right-20 top-40 h-96 w-96 rounded-full bg-[#10AEEF] opacity-5 blur-3xl"></div>
+    <div class="pointer-events-none absolute -bottom-8 left-40 h-80 w-80 rounded-full bg-[#91D300] opacity-5 blur-3xl"></div>
+
+    <main class="relative z-10 mx-auto flex h-full min-h-0 w-full max-w-6xl flex-col justify-center">
+      <section class="space-y-5">
+        <div class="flex flex-col gap-5 rounded-lg border border-[#EDEDED] bg-white/78 p-6 backdrop-blur sm:p-8 lg:flex-row lg:items-center lg:justify-between">
+          <div class="flex items-start gap-4 text-left">
+            <img src="/logo.png" alt="微信解密助手Logo" class="h-16 w-16 shrink-0 object-contain" />
+            <div>
+              <p class="text-[13px] font-medium tracking-[0.16em] text-[#07C160]">本地整理·安心备份</p>
+              <h1 class="mt-3 text-[34px] font-semibold leading-tight tracking-[-0.04em] text-[#000000e6] sm:text-[46px]">
+                把微信记录留在本地
+              </h1>
+              <p class="mt-3 max-w-2xl text-[15px] leading-7 text-[#6B7280]">
+                从检测开始，再查看聊天、导入备份或导出归档。
+              </p>
+            </div>
+          </div>
+
+          <button
+            type="button"
+            class="inline-flex shrink-0 items-center justify-center gap-2 rounded-lg bg-[#07C160] px-6 py-3 text-[14px] font-medium text-white transition hover:bg-[#06AD56] focus:outline-none focus:ring-2 focus:ring-[#07C160]/25"
+            @click="startDetection"
+          >
+            <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
+            </svg>
+            <span>开始检测</span>
+          </button>
         </div>
-        
-        <h1 class="text-5xl font-bold text-[#000000e6] mb-4">
-          <span class="bg-gradient-to-r from-[#07C160] to-[#10AEEF] bg-clip-text text-transparent">微信</span>
-          <span class="text-[#000000e6]">解密助手</span>
-        </h1>
-        <p class="text-xl text-[#7F7F7F] font-normal">轻松解锁你的聊天记录</p>
-      </div>
-      
-      <!-- 主要按钮 -->
-      <div class="flex flex-col sm:flex-row gap-4 justify-center animate-slide-up">
-        <button @click="startDetection" 
-          class="group inline-flex items-center px-12 py-4 bg-[#07C160] text-white rounded-lg text-lg font-medium hover:bg-[#06AD56] transform hover:scale-105 transition-all duration-200">
-          <svg class="w-6 h-6 mr-3 group-hover:rotate-12 transition-transform duration-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2.5" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"/>
-          </svg>
-          <span>开始检测</span>
-        </button>
-        
 
-        <NuxtLink to="/import" 
-          class="group inline-flex items-center px-12 py-4 bg-white text-[#91D300] border border-[#91D300] rounded-lg text-lg font-medium hover:bg-[#F7F7F7] transform hover:scale-105 transition-all duration-200">
-          <svg class="w-6 h-6 mr-3 transition-transform duration-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2.5" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"/>
-          </svg>
-          <span>数据导入</span>
-        </NuxtLink>
-        
-        <NuxtLink to="/chat" 
-          class="group inline-flex items-center px-12 py-4 bg-white text-[#10AEEF] border border-[#10AEEF] rounded-lg text-lg font-medium hover:bg-[#F7F7F7] transform hover:scale-105 transition-all duration-200">
-          <svg class="w-6 h-6 mr-3 transition-transform duration-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2.5" d="M8 10h8M8 14h5M4 6h16v12a2 2 0 01-2 2H6a2 2 0 01-2-2V6z"/>
-          </svg>
-          <span>聊天预览</span>
-        </NuxtLink>
+        <div class="grid gap-4 lg:grid-cols-[1.25fr_0.75fr]">
+          <button
+            type="button"
+            class="group min-h-[300px] rounded-lg border border-[#CFEEDB] bg-[#F3FFF8] p-6 text-left transition hover:border-[#AEE6C4] hover:bg-[#EFFAF3] focus:outline-none focus:ring-2 focus:ring-[#07C160]/20 sm:p-8"
+            @click="startDetection"
+          >
+            <div class="flex h-full flex-col justify-between gap-8">
+              <div>
+                <div class="flex items-center gap-3 text-[#07C160]">
+                  <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
+                  </svg>
+                  <span class="text-[13px] font-medium">推荐第一步</span>
+                </div>
+                <h2 class="mt-5 text-[28px] font-semibold tracking-[-0.03em] text-[#000000e6] sm:text-[36px]">检测本机微信数据</h2>
+                <p class="mt-3 max-w-xl text-[14px] leading-7 text-[#6B7280]">
+                  找到可用账号、数据库文件和本地路径，后续查看、解密和归档都从这里开始。
+                </p>
+              </div>
 
-        <NuxtLink to="/wrapped" 
-          class="group inline-flex items-center px-12 py-4 bg-white text-[#B37800] border border-[#F2AA00] rounded-lg text-lg font-medium hover:bg-[#F7F7F7] transform hover:scale-105 transition-all duration-200">
-          <svg class="w-6 h-6 mr-3 transition-transform duration-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            <rect x="4" y="4" width="16" height="16" rx="2" stroke-width="2.5" />
-            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2.5" d="M8 16v-5" />
-            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2.5" d="M12 16v-8" />
-            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2.5" d="M16 16v-3" />
-          </svg>
-          <span>年度总结</span>
-        </NuxtLink>
-      </div>
-    </div>
+              <div class="flex items-center justify-between border-t border-[#DDF4E7] pt-5">
+                <span class="text-[13px] font-medium text-[#07C160]">开始检测</span>
+                <svg class="h-5 w-5 text-[#07C160] transition group-hover:translate-x-0.5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" />
+                </svg>
+              </div>
+            </div>
+          </button>
+
+          <div class="grid gap-4">
+            <NuxtLink
+              to="/import"
+              class="group rounded-lg border border-[#EDEDED] bg-white/72 p-5 text-left transition hover:border-[#CFEEDB] hover:bg-[#F7FDF9] focus:outline-none focus:ring-2 focus:ring-[#07C160]/20"
+            >
+              <div class="flex items-start justify-between gap-4">
+                <div>
+                  <div class="flex items-center gap-2 text-[15px] font-medium text-[#000000e6]">
+                    <svg class="h-5 w-5 text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
+                    </svg>
+                    <span>导入备份</span>
+                  </div>
+                  <p class="mt-2 text-[13px] leading-6 text-[#7F7F7F]">接入已准备好的本地备份目录。</p>
+                </div>
+                <svg class="mt-1 h-4 w-4 shrink-0 text-[#A1A1AA] transition group-hover:translate-x-0.5 group-hover:text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" />
+                </svg>
+              </div>
+            </NuxtLink>
+
+            <button
+              type="button"
+              class="group rounded-lg border border-[#EDEDED] bg-white/72 p-5 text-left transition hover:border-[#CFEEDB] hover:bg-[#F7FDF9] focus:outline-none focus:ring-2 focus:ring-[#07C160]/20"
+              @click="openExportDialog"
+            >
+              <div class="flex items-start justify-between gap-4">
+                <div>
+                  <div class="flex items-center gap-2 text-[15px] font-medium text-[#000000e6]">
+                    <svg class="h-5 w-5 text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 3v11" />
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7.5 10.5L12 15l4.5-4.5" />
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 19h16" />
+                    </svg>
+                    <span>导出归档</span>
+                  </div>
+                  <p class="mt-2 text-[13px] leading-6 text-[#7F7F7F]">打包当前账号的数据库和资源文件。</p>
+                </div>
+                <svg class="mt-1 h-4 w-4 shrink-0 text-[#A1A1AA] transition group-hover:translate-x-0.5 group-hover:text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" />
+                </svg>
+              </div>
+            </button>
+
+            <NuxtLink
+              to="/chat"
+              class="group rounded-lg border border-[#EDEDED] bg-white/72 p-5 text-left transition hover:border-[#CFEEDB] hover:bg-[#F7FDF9] focus:outline-none focus:ring-2 focus:ring-[#07C160]/20"
+            >
+              <div class="flex items-start justify-between gap-4">
+                <div>
+                  <div class="flex items-center gap-2 text-[15px] font-medium text-[#000000e6]">
+                    <svg class="h-5 w-5 text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 10h8M8 14h5M4 6h16v12a2 2 0 01-2 2H6a2 2 0 01-2-2V6z" />
+                    </svg>
+                    <span>回看聊天</span>
+                  </div>
+                  <p class="mt-2 text-[13px] leading-6 text-[#7F7F7F]">查看会话、搜索片段，找到需要的内容。</p>
+                </div>
+                <svg class="mt-1 h-4 w-4 shrink-0 text-[#A1A1AA] transition group-hover:translate-x-0.5 group-hover:text-[#07C160]" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" />
+                </svg>
+              </div>
+            </NuxtLink>
+          </div>
+        </div>
+      </section>
+    </main>
+
+    <GlobalExportDialog :open="exportDialogOpen" @close="closeExportDialog" />
   </div>
 </template>
 
 <script setup>
-import { onMounted } from 'vue'
+import { onMounted, ref } from 'vue'
 import { useApi } from '~/composables/useApi'
 import { DESKTOP_SETTING_DEFAULT_TO_CHAT_KEY, readLocalBoolSetting } from '~/lib/desktop-settings'
 
 const { listChatAccounts } = useApi()
+const exportDialogOpen = ref(false)
 
 onMounted(async () => {
   if (!process.client || typeof window === 'undefined') return
@@ -88,47 +157,22 @@ onMounted(async () => {
   } catch {}
 })
 
-// 开始检测并跳转到结果页面
+const openExportDialog = () => {
+  exportDialogOpen.value = true
+}
+
+const closeExportDialog = () => {
+  exportDialogOpen.value = false
+}
+
 const startDetection = async () => {
-  // 直接跳转到检测结果页面，让该页面处理检测
   await navigateTo('/detection-result')
 }
 </script>
 
 <style scoped>
-@keyframes fade-in {
-  from {
-    opacity: 0;
-    transform: translateY(-20px);
-  }
-  to {
-    opacity: 1;
-    transform: translateY(0);
-  }
-}
-
-@keyframes slide-up {
-  from {
-    opacity: 0;
-    transform: translateY(30px);
-  }
-  to {
-    opacity: 1;
-    transform: translateY(0);
-  }
-}
-
-.animate-fade-in {
-  animation: fade-in 0.8s ease-out;
-}
-
-.animate-slide-up {
-  animation: slide-up 0.8s ease-out 0.3s both;
-}
-
-/* 网格背景 */
 .bg-grid-pattern {
-  background-image: 
+  background-image:
     linear-gradient(rgba(7, 193, 96, 0.1) 1px, transparent 1px),
     linear-gradient(90deg, rgba(7, 193, 96, 0.1) 1px, transparent 1px);
   background-size: 50px 50px;