change some desc

src/App.vue

@@ -455,7 +455,7 @@ watch(activeTab, (newTab) => {
               :class="{ active: activeTab === 'clean-c-deep' }"
               @click="activeTab = 'clean-c-deep'"
             >
-              深度分析
+              查找大目录
             </div>
           </div>
         </div>
@@ -511,8 +511,8 @@ watch(activeTab, (newTab) => {
       <section v-if="activeTab === 'clean-c-fast'" class="page-container">
         <div class="page-header">
           <div class="header-info">
-            <h1>快速清理系统盘</h1>
+            <h1>清理系统盘</h1>
-            <p>一键释放 C 盘空间，不影响系统运行。</p>
+            <p>快速清理 C 盘缓存，不影响系统运行。</p>
           </div>
         </div>
 
@@ -704,7 +704,7 @@ watch(activeTab, (newTab) => {
         <div class="page-header">
           <div class="header-info">
             <h1>清理{{ activeTab === 'clean-browser-chrome' ? '谷歌浏览器' : '微软浏览器' }}</h1>
-            <p>安全清理浏览器缓存、临时文件，释放磁盘空间。</p>
+            <p>安全清理浏览器缓存、临时文件等，不会删除账号。</p>
           </div>
         </div>
 
@@ -870,7 +870,7 @@ watch(activeTab, (newTab) => {
         <div class="page-header">
           <div class="header-info">
             <h1>查找大目录</h1>
-            <p>层级化查看 C 盘占用，锁定空间大户。</p>
+            <p>查看 C 盘目录大小，适合技术人员细节分析空间占用情况。</p>
           </div>
           <div class="header-actions">
             <button class="btn-primary btn-sm" @click="startFullDiskScan" :disabled="isFullScanning">
@@ -883,7 +883,7 @@ watch(activeTab, (newTab) => {
           <div v-if="isFullScanning" class="scanning-overlay">
             <div class="spinner"></div>
             <div class="scanning-status">
-              <p class="scanning-main-text">正在扫描全盘文件...</p>
+              <p class="scanning-main-text">正在扫描 C 盘文件...</p>
               <div class="scanning-stats-row">
                 <span class="stat-badge">已扫描：{{ fullScanProgress.fileCount.toLocaleString() }} 个文件</span>
               </div>