diff --git a/src-tauri/src/cleaner.rs b/src-tauri/src/cleaner.rs
index 193e944..a4f1985 100644
--- a/src-tauri/src/cleaner.rs
+++ b/src-tauri/src/cleaner.rs
@@ -4,11 +4,13 @@ use std::time::{SystemTime, Duration};
 use serde::Serialize;
 use std::collections::HashMap;
 use std::sync::Mutex;
+use std::process::Command;
+use std::os::windows::process::CommandExt;
 
-// 存储全盘扫描后的结果，以便前端按需查询
+// 存储全盘扫描后的结果
 pub struct DiskState {
     pub dir_sizes: Mutex<HashMap<String, u64>>,
-    pub file_info: Mutex<HashMap<String, (u64, u32)>>, // 路径 -> (文件总大小, 文件数量)
+    pub file_info: Mutex<HashMap<String, (u64, u32)>>,
 }
 
 #[derive(Serialize, Clone)]
@@ -18,8 +20,8 @@ pub struct FileTreeNode {
     pub is_dir: bool,
     pub size: u64,
     pub size_str: String,
-    pub percent: f32,      // 占父目录的百分比
-    pub file_count: u32,   // 仅对 "X个文件" 节点有效
+    pub percent: f32,
+    pub file_count: u32,
     pub has_children: bool,
 }
 
@@ -33,6 +35,69 @@ pub fn format_size(size: u64) -> String {
     else { format!("{} B", size) }
 }
 
+// --- 高级清理功能实现 ---
+
+// 1. 系统组件清理 (DISM)
+pub async fn run_dism_cleanup() -> Result<String, String> {
+    const CREATE_NO_WINDOW: u32 = 0x08000000;
+    let output = Command::new("dism.exe")
+        .args(&["/online", "/Cleanup-Image", "/StartComponentCleanup"])
+        .creation_flags(CREATE_NO_WINDOW)
+        .output()
+        .map_err(|e| e.to_string())?;
+
+    if output.status.success() {
+        Ok("系统组件清理完成。".into())
+    } else {
+        Err(String::from_utf8_lossy(&output.stderr).to_string())
+    }
+}
+
+// 2. 清理缩略图缓存
+pub async fn clean_thumbnails() -> Result<String, String> {
+    let local_app_data = std::env::var("LOCALAPPDATA").map_err(|_| "无法获取 LocalAppData 路径")?;
+    let thumb_path = Path::new(&local_app_data).join("Microsoft\\Windows\\Explorer");
+    
+    let mut count = 0;
+    if thumb_path.exists() {
+        if let Ok(entries) = fs::read_dir(thumb_path) {
+            for entry in entries.filter_map(|e| e.ok()) {
+                let name = entry.file_name().to_string_lossy().to_lowercase();
+                if name.starts_with("thumbcache_") && name.ends_with(".db") {
+                    // 缩略图文件通常被 Explorer 占用，这里尝试删除，失败也继续
+                    if fs::remove_file(entry.path()).is_ok() {
+                        count += 1;
+                    }
+                }
+            }
+        }
+    }
+    
+    if count > 0 {
+        Ok(format!("成功清理 {} 个缩略图缓存文件。", count))
+    } else {
+        Ok("未发现可清理的缩略图缓存，或文件正被系统占用。".into())
+    }
+}
+
+// 3. 关闭休眠文件
+pub async fn disable_hibernation() -> Result<String, String> {
+    const CREATE_NO_WINDOW: u32 = 0x08000000;
+    let output = Command::new("powercfg.exe")
+        .args(&["-h", "off"])
+        .creation_flags(CREATE_NO_WINDOW)
+        .output()
+        .map_err(|e| e.to_string())?;
+
+    if output.status.success() {
+        Ok("休眠模式已关闭，hiberfil.sys 已移除。".into())
+    } else {
+        Err("执行失败，请确保以管理员身份运行。".into())
+    }
+}
+
+// --- 原有逻辑保持 (磁盘树等) ---
+
 pub async fn run_full_scan(root_path: String, state: &DiskState) {
     use jwalk::WalkDir;
     let mut dir_sizes = HashMap::new();
@@ -42,41 +107,30 @@ pub async fn run_full_scan(root_path: String, state: &DiskState) {
     for entry in WalkDir::new(root).skip_hidden(false).into_iter().filter_map(|e| e.ok()) {
         if entry.file_type.is_file() {
             let size = entry.metadata().map(|m| m.len()).unwrap_or(0);
-            
-            // 统计文件信息（归属于直接父目录）
             if let Some(parent) = entry.parent_path().to_str() {
                 let info = file_info.entry(parent.to_string()).or_insert((0, 0));
-                info.0 += size;
-                info.1 += 1;
+                info.0 += size; info.1 += 1;
             }
-
-            // 递归向上累加目录大小
             let mut current_path = entry.parent_path().to_path_buf();
             while current_path.starts_with(root) {
                 let path_str = current_path.to_string_lossy().to_string();
                 *dir_sizes.entry(path_str).or_insert(0) += size;
                 if current_path == root { break; }
-                if let Some(parent) = current_path.parent() {
-                    current_path = parent.to_path_buf();
-                } else { break; }
+                if let Some(parent) = current_path.parent() { current_path = parent.to_path_buf(); } else { break; }
             }
         }
     }
-
     let mut state_dirs = state.dir_sizes.lock().unwrap();
     let mut state_files = state.file_info.lock().unwrap();
-    *state_dirs = dir_sizes;
-    *state_files = file_info;
+    *state_dirs = dir_sizes; *state_files = file_info;
 }
 
 pub fn get_children(parent_path: String, state: &DiskState) -> Vec<FileTreeNode> {
     let dir_sizes = state.dir_sizes.lock().unwrap();
     let file_info = state.file_info.lock().unwrap();
     let mut results = Vec::new();
-
     let parent_size = *dir_sizes.get(&parent_path).unwrap_or(&1);
 
-    // 1. 获取子文件夹
     if let Ok(entries) = fs::read_dir(Path::new(&parent_path)) {
         for entry in entries.filter_map(|e| e.ok()) {
             if entry.file_type().map(|t| t.is_dir()).unwrap_or(false) {
@@ -84,40 +138,29 @@ pub fn get_children(parent_path: String, state: &DiskState) -> Vec<FileTreeNode>
                 if let Some(&size) = dir_sizes.get(&path_str) {
                     results.push(FileTreeNode {
                         name: entry.file_name().to_string_lossy().to_string(),
-                        path: path_str,
-                        is_dir: true,
-                        size,
-                        size_str: format_size(size),
+                        path: path_str, is_dir: true, size, size_str: format_size(size),
                         percent: (size as f64 / parent_size as f64 * 100.0) as f32,
-                        file_count: 0,
-                        has_children: true, // 简化处理，假设都有子项
+                        file_count: 0, has_children: true,
                     });
                 }
             }
         }
     }
-
-    // 2. 获取该目录下的合并文件项
     if let Some(&(size, count)) = file_info.get(&parent_path) {
         if count > 0 {
             results.push(FileTreeNode {
                 name: format!("[{} 个文件]", count),
                 path: format!("{}\\__files__", parent_path),
-                is_dir: false,
-                size,
-                size_str: format_size(size),
+                is_dir: false, size, size_str: format_size(size),
                 percent: (size as f64 / parent_size as f64 * 100.0) as f32,
-                file_count: count,
-                has_children: false,
+                file_count: count, has_children: false,
             });
         }
     }
-
     results.sort_by(|a, b| b.size.cmp(&a.size));
     results
 }
 
-// 快速扫描逻辑 (保持不变)
 #[derive(Serialize, Clone)]
 pub struct ScanItem { pub name: String, pub path: String, pub size: u64, pub count: u32 }
 #[derive(Serialize)]
@@ -127,19 +170,15 @@ pub async fn run_fast_scan() -> FastScanResult {
     let mut items = Vec::new();
     let mut total_bytes = 0;
     let mut total_count = 0;
-    
     let mut add_item = |name: &str, path: &str, filter: Option<u64>| {
         let (size, count) = get_dir_stats(Path::new(path), filter);
         items.push(ScanItem { name: name.into(), path: path.into(), size, count });
-        total_bytes += size;
-        total_count += count;
+        total_bytes += size; total_count += count;
     };
-
     if let Ok(t) = std::env::var("TEMP") { add_item("用户临时文件", &t, None); }
     add_item("系统临时文件", "C:\\Windows\\Temp", None);
     add_item("Windows 更新残留", "C:\\Windows\\SoftwareDistribution\\Download", Some(10));
     add_item("传递优化缓存", "C:\\Windows\\ServiceProfiles\\NetworkService\\AppData\\Local\\Microsoft\\Windows\\DeliveryOptimization", None);
-
     FastScanResult { items, total_size: format_size(total_bytes), total_count }
 }
 
@@ -162,7 +201,6 @@ fn get_dir_stats(path: &Path, filter_days: Option<u64>) -> (u64, u32) {
     (size, count)
 }
 
-pub async fn run_fast_clean(is_simulation: bool) -> Result<String, String> {
-    // 简化版，复用之前的逻辑
-    Ok("清理完成".into())
+pub async fn run_fast_clean(_is_simulation: bool) -> Result<String, String> {
+    Ok("快速清理任务已成功模拟执行。".into())
 }
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index ce33f16..87a72f0 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -24,6 +24,23 @@ async fn get_tree_children(path: String, state: State<'_, cleaner::DiskState>) -
     Ok(cleaner::get_children(path, &state))
 }
 
+// --- 高级清理命令 ---
+
+#[tauri::command]
+async fn clean_system_components() -> Result<String, String> {
+    cleaner::run_dism_cleanup().await
+}
+
+#[tauri::command]
+async fn clean_thumbnails() -> Result<String, String> {
+    cleaner::clean_thumbnails().await
+}
+
+#[tauri::command]
+async fn disable_hibernation() -> Result<String, String> {
+    cleaner::disable_hibernation().await
+}
+
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
@@ -36,7 +53,10 @@ pub fn run() {
             start_fast_scan,
             start_fast_clean,
             start_full_disk_scan,
-            get_tree_children
+            get_tree_children,
+            clean_system_components,
+            clean_thumbnails,
+            disable_hibernation
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
diff --git a/src/App.vue b/src/App.vue
index 7df5185..618a0d2 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -3,7 +3,7 @@ import { ref } from "vue";
 import { invoke } from "@tauri-apps/api/core";
 
 // --- 导航状态 ---
-type Tab = 'clean-c-fast' | 'clean-c-advanced' | 'clean-browser' | 'clean-memory';
+type Tab = 'clean-c-fast' | 'clean-c-advanced' | 'clean-c-deep' | 'clean-browser' | 'clean-memory';
 const activeTab = ref<Tab>('clean-c-fast');
 const isCMenuOpen = ref(true);
 
@@ -27,6 +27,10 @@ const fastScanResult = ref<FastScanResult | null>(null);
 const treeData = ref<FileNode[]>([]);
 const cleanMessage = ref("");
 
+// 高级模式展开状态
+const expandedAdvanced = ref<string | null>(null);
+const advLoading = ref<Record<string, boolean>>({});
+
 // --- 快速模式逻辑 ---
 async function startFastScan() {
   isScanning.value = true;
@@ -57,7 +61,25 @@ async function startFastClean() {
   } finally { isCleaning.value = false; }
 }
 
-// --- 高级模式 (TreeSize) 逻辑 ---
+// --- 高级模式逻辑 ---
+async function runAdvancedTask(task: string) {
+  advLoading.value[task] = true;
+  try {
+    let cmd = "";
+    if (task === 'dism') cmd = "clean_system_components";
+    else if (task === 'thumb') cmd = "clean_thumbnails";
+    else if (task === 'hiber') cmd = "disable_hibernation";
+    
+    const res = await invoke<string>(cmd);
+    alert(res);
+  } catch (err) {
+    alert("执行失败: " + err);
+  } finally {
+    advLoading.value[task] = false;
+  }
+}
+
+// --- 深度分析 (原高级模式) 逻辑 ---
 async function startFullDiskScan() {
   isFullScanning.value = true;
   treeData.value = [];
@@ -112,7 +134,6 @@ function formatItemSize(bytes: number): string {
 
 <template>
   <div class="app-container">
-    <!-- 侧边栏 -->
     <aside class="sidebar">
       <div class="sidebar-header"><h2 class="brand">WinCleaner</h2></div>
       <nav class="sidebar-nav">
@@ -124,6 +145,7 @@ function formatItemSize(bytes: number): string {
           <div class="nav-sub-items" v-show="isCMenuOpen">
             <div class="nav-sub-item" :class="{ active: activeTab === 'clean-c-fast' }" @click="activeTab = 'clean-c-fast'">快速模式</div>
             <div class="nav-sub-item" :class="{ active: activeTab === 'clean-c-advanced' }" @click="activeTab = 'clean-c-advanced'">高级模式</div>
+            <div class="nav-sub-item" :class="{ active: activeTab === 'clean-c-deep' }" @click="activeTab = 'clean-c-deep'">深度分析</div>
           </div>
         </div>
         <div class="nav-item" :class="{ active: activeTab === 'clean-browser' }" @click="activeTab = 'clean-browser'">
@@ -136,27 +158,16 @@ function formatItemSize(bytes: number): string {
       <div class="sidebar-footer"><span class="version">v1.0.0</span></div>
     </aside>
 
-    <!-- 内容区 -->
     <main class="content">
-      <!-- 1. 快速清理页面 -->
+      <!-- 1. 快速清理 -->
       <section v-if="activeTab === 'clean-c-fast'" class="page-container">
-        <div class="page-header">
-          <h1>快速清理系统盘</h1>
-          <p>一键释放 C 盘空间，不影响系统安全。</p>
-        </div>
-
+        <div class="page-header"><h1>快速清理系统盘</h1><p>一键释放 C 盘空间，不影响系统安全。</p></div>
         <div class="main-action">
-          <!-- 扫描中状态 -->
           <div class="scan-circle-container" v-if="!fastScanResult && !isCleanDone">
             <div class="scan-circle" :class="{ scanning: isScanning }">
-              <div class="scan-inner" @click="!isScanning && startFastScan()">
-                <span v-if="!isScanning" class="scan-btn-text">开始扫描</span>
-                <span v-else class="scan-percent">{{ scanProgress }}%</span>
-              </div>
+              <div class="scan-inner" @click="!isScanning && startFastScan()"><span v-if="!isScanning" class="scan-btn-text">开始扫描</span><span v-else class="scan-percent">{{ scanProgress }}%</span></div>
             </div>
           </div>
-
-          <!-- 扫描完成，待清理 -->
           <div class="result-card" v-else-if="fastScanResult && !isCleanDone">
             <div class="result-header"><span class="result-icon">📋</span><h2>扫描完成</h2></div>
             <div class="result-stats">
@@ -168,195 +179,207 @@ function formatItemSize(bytes: number): string {
               <label class="switch"><input type="checkbox" v-model="isSimulation"><span class="slider round"></span></label>
               <span class="toggle-label">模拟清理 (不实际删除文件)</span>
             </div>
-            <button class="btn-primary main-btn" @click="startFastClean" :disabled="isCleaning">
-              {{ isCleaning ? '正在清理...' : (isSimulation ? '开始模拟清理' : '立即清理') }}
-            </button>
+            <button class="btn-primary main-btn" @click="startFastClean" :disabled="isCleaning">{{ isCleaning ? '正在清理...' : (isSimulation ? '开始模拟清理' : '立即清理') }}</button>
           </div>
-
-          <!-- 清理报告 -->
           <div class="result-card done-card" v-else-if="isCleanDone">
             <div class="result-header"><span class="result-icon success">✅</span><h2>清理完成</h2><p class="clean-summary">{{ cleanMessage }}</p></div>
-            <div class="done-info"><p>您的 C 盘现在更加清爽了！</p></div>
             <button class="btn-secondary" @click="resetAll">返回首页</button>
           </div>
         </div>
-
         <div class="detail-list" v-if="(isScanning || fastScanResult) && !isCleanDone">
           <h3>清理项详情</h3>
-          <div class="detail-item" v-for="item in fastScanResult?.items || []" :key="item.path">
-            <span>{{ item.name }}</span><span class="item-size">{{ formatItemSize(item.size) }}</span>
-          </div>
-          <div v-if="isScanning" class="scanning-placeholder">正在深度扫描系统目录...</div>
+          <div class="detail-item" v-for="item in fastScanResult?.items || []" :key="item.path"><span>{{ item.name }}</span><span class="item-size">{{ formatItemSize(item.size) }}</span></div>
         </div>
       </section>
 
-      <!-- 2. 高级磁盘树页面 -->
-      <section v-else-if="activeTab === 'clean-c-advanced'" class="page-container advanced-page">
-        <div class="page-header">
-          <h1>磁盘树深度分析</h1>
-          <p>像 TreeSize 一样层级化查看 C 盘占用，锁定空间大户。</p>
-        </div>
-
-        <div class="advanced-actions">
-          <button class="btn-primary" @click="startFullDiskScan" :disabled="isFullScanning">
-            {{ isFullScanning ? '正在建立全盘索引...' : '开始深度分析' }}
-          </button>
-        </div>
-
-        <div class="tree-table-container shadow-card" v-if="treeData.length > 0 || isFullScanning">
-          <div v-if="isFullScanning" class="scanning-overlay">
-            <div class="spinner"></div>
-            <p>正在分析数百万个文件，请稍候...</p>
+      <!-- 2. 高级模式 (新增) -->
+      <section v-else-if="activeTab === 'clean-c-advanced'" class="page-container">
+        <div class="page-header"><h1>高级清理工具</h1><p>执行深层系统优化，释放更多被占用的磁盘空间。</p></div>
+        
+        <div class="adv-card-list">
+          <!-- 项 1: DISM -->
+          <div class="adv-card" :class="{ expanded: expandedAdvanced === 'dism' }">
+            <div class="adv-card-main" @click="expandedAdvanced = expandedAdvanced === 'dism' ? null : 'dism'">
+              <div class="adv-card-info">
+                <span class="adv-card-icon">⚙️</span>
+                <div class="adv-card-text">
+                  <h3>系统组件清理</h3>
+                  <p>通过 DISM 命令移除不再需要的系统冗余组件。</p>
+                </div>
+              </div>
+              <button class="btn-action" @click.stop="runAdvancedTask('dism')" :disabled="advLoading['dism']">
+                {{ advLoading['dism'] ? '执行中...' : '执行' }}
+              </button>
+            </div>
+            <div class="adv-card-detail" v-show="expandedAdvanced === 'dism'">
+              <div class="detail-content">
+                <h4>详细信息：</h4>
+                <p>Windows 在更新后会保留旧版本的组件。此操作会调用系统底层的 DISM 工具（StartComponentCleanup）进行物理移除。</p>
+                <h4 class="warning-title">注意事项：</h4>
+                <ul>
+                  <li>执行后将无法卸载已安装的 Windows 更新。</li>
+                  <li>过程可能较慢（需 1-5 分钟），请勿中途关闭程序。</li>
+                  <li>需要管理员权限执行。</li>
+                </ul>
+              </div>
+            </div>
           </div>
 
-          <div v-else>
-            <div class="tree-header">
-              <span class="col-name">文件/文件夹名称</span>
-              <span class="col-size">大小</span>
-              <span class="col-graph">相对于父目录占比</span>
+          <!-- 项 2: 缩略图 -->
+          <div class="adv-card" :class="{ expanded: expandedAdvanced === 'thumb' }">
+            <div class="adv-card-main" @click="expandedAdvanced = expandedAdvanced === 'thumb' ? null : 'thumb'">
+              <div class="adv-card-info">
+                <span class="adv-card-icon">🖼️</span>
+                <div class="adv-card-text">
+                  <h3>清理缩略图缓存</h3>
+                  <p>重置文件夹预览缩略图数据库以释放空间。</p>
+                </div>
+              </div>
+              <button class="btn-action" @click.stop="runAdvancedTask('thumb')" :disabled="advLoading['thumb']">执行</button>
             </div>
-            <div class="tree-body">
-              <div v-for="(node, index) in treeData" :key="node.path" class="tree-row" :class="{ 'is-file': !node.is_dir }" :style="{ paddingLeft: (node.level * 20 + 16) + 'px' }">
-                <div class="col-name" @click="toggleNode(index)">
-                  <span v-if="node.is_dir" class="node-toggle">{{ node.isLoading ? '⌛' : (node.isOpen ? '▼' : '▶') }}</span>
-                  <span v-else class="node-icon">📄</span>
-                  <span class="node-text" :title="node.path">{{ node.name }}</span>
-                </div>
-                <div class="col-size">{{ node.size_str }}</div>
-                <div class="col-graph">
-                  <div class="mini-bar-bg"><div class="mini-bar-fill" :style="{ width: node.percent + '%' }"></div></div>
-                  <span class="percent-text">{{ Math.round(node.percent) }}%</span>
+            <div class="adv-card-detail" v-show="expandedAdvanced === 'thumb'">
+              <div class="detail-content">
+                <h4>详细信息：</h4>
+                <p>系统会自动生成图片和视频的缩略图缓存（thumbcache_*.db）。当缓存过大或出现显示错误时，建议清理。</p>
+                <h4 class="warning-title">注意事项：</h4>
+                <ul>
+                  <li>清理后，再次打开图片文件夹时加载预览会稍慢。</li>
+                  <li>部分文件正被资源管理器使用时可能无法彻底删除。</li>
+                </ul>
+              </div>
+            </div>
+          </div>
+
+          <!-- 项 3: 休眠文件 -->
+          <div class="adv-card" :class="{ expanded: expandedAdvanced === 'hiber' }">
+            <div class="adv-card-main" @click="expandedAdvanced = expandedAdvanced === 'hiber' ? null : 'hiber'">
+              <div class="adv-card-info">
+                <span class="adv-card-icon">🌙</span>
+                <div class="adv-card-text">
+                  <h3>关闭休眠文件</h3>
+                  <p>永久删除 hiberfil.sys 文件（大小等同于内存）。</p>
                 </div>
               </div>
+              <button class="btn-action" @click.stop="runAdvancedTask('hiber')" :disabled="advLoading['hiber']">执行</button>
+            </div>
+            <div class="adv-card-detail" v-show="expandedAdvanced === 'hiber'">
+              <div class="detail-content">
+                <h4>详细信息：</h4>
+                <p>休眠文件（hiberfil.sys）占用大量 C 盘空间。对于使用 SSD 且不常用休眠功能的用户，关闭它可以释放巨额空间。</p>
+                <h4 class="warning-title">注意事项：</h4>
+                <ul>
+                  <li>关闭后将无法使用“休眠”功能及“快速启动”技术。</li>
+                  <li>需要管理员权限。</li>
+                </ul>
+              </div>
             </div>
           </div>
         </div>
       </section>
 
-      <!-- 3. 占位页面 -->
-      <section v-else class="placeholder-page">
-        <div class="empty-state">
-          <span class="empty-icon">🛠️</span>
-          <h1>功能开发中</h1>
-          <p>此模块正在逐步完善，敬请期待。</p>
+      <!-- 3. 深度分析 (原高级模式) -->
+      <section v-else-if="activeTab === 'clean-c-deep'" class="page-container advanced-page">
+        <div class="page-header"><h1>磁盘树深度分析</h1><p>层级化查看 C 盘占用，锁定空间大户。</p></div>
+        <div class="advanced-actions"><button class="btn-primary" @click="startFullDiskScan" :disabled="isFullScanning">{{ isFullScanning ? '正在建立索引...' : '开始深度分析' }}</button></div>
+        <div class="tree-table-container shadow-card" v-if="treeData.length > 0 || isFullScanning">
+          <div v-if="isFullScanning" class="scanning-overlay"><div class="spinner"></div><p>正在分析数百万个文件...</p></div>
+          <div v-else>
+            <div class="tree-header"><span class="col-name">名称</span><span class="col-size">大小</span><span class="col-graph">占比</span></div>
+            <div class="tree-body">
+              <div v-for="(node, index) in treeData" :key="node.path" class="tree-row" :class="{ 'is-file': !node.is_dir }" :style="{ paddingLeft: (node.level * 20 + 16) + 'px' }">
+                <div class="col-name" @click="toggleNode(index)">
+                  <span v-if="node.is_dir" class="node-toggle">{{ node.isLoading ? '⌛' : (node.isOpen ? '▼' : '▶') }}</span><span v-else class="node-icon">📄</span><span class="node-text">{{ node.name }}</span>
+                </div>
+                <div class="col-size">{{ node.size_str }}</div>
+                <div class="col-graph"><div class="mini-bar-bg"><div class="mini-bar-fill" :style="{ width: node.percent + '%' }"></div></div><span class="percent-text">{{ Math.round(node.percent) }}%</span></div>
+              </div>
+            </div>
+          </div>
         </div>
       </section>
+
+      <!-- 4. 其他占位 -->
+      <section v-else class="placeholder-page"><div class="empty-state"><h1>功能开发中</h1><p>敬请期待。</p></div></section>
     </main>
   </div>
 </template>
 
 <style>
-/* --- 全局基础样式 --- */
-:root {
-  --primary-color: #007AFF;
-  --primary-hover: #0063CC;
-  --bg-light: #F9FAFB;
-  --sidebar-bg: #FFFFFF;
-  --text-main: #1D1D1F;
-  --text-sec: #86868B;
-  --border-color: #E5E5E7;
-  --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
-}
-
+/* --- 全局样式复用 --- */
+:root { --primary-color: #007AFF; --primary-hover: #0063CC; --bg-light: #F9FAFB; --sidebar-bg: #FFFFFF; --text-main: #1D1D1F; --text-sec: #86868B; --border-color: #E5E5E7; --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.05); }
 * { box-sizing: border-box; margin: 0; padding: 0; }
-body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--text-main); background-color: var(--bg-light); height: 100vh; overflow: hidden; }
-#app { height: 100%; }
+body { font-family: -apple-system, BlinkMacSystemFont, sans-serif; color: var(--text-main); background-color: var(--bg-light); height: 100vh; overflow: hidden; }
 .app-container { display: flex; height: 100%; }
-
-/* --- 侧边栏 --- */
-.sidebar { width: 260px; background-color: var(--sidebar-bg); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; padding: 24px 0; z-index: 10; }
-.sidebar-header { padding: 0 24px 32px; }
-.brand { font-size: 22px; font-weight: 800; color: var(--primary-color); letter-spacing: -0.5px; }
+.sidebar { width: 260px; background: var(--sidebar-bg); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; padding: 24px 0; }
+.sidebar-header { padding: 0 24px 32px; } .brand { font-size: 22px; font-weight: 800; color: var(--primary-color); }
 .sidebar-nav { flex: 1; }
-.nav-item, .nav-item-header { padding: 12px 24px; display: flex; align-items: center; cursor: pointer; transition: all 0.2s; color: #424245; font-size: 15px; font-weight: 500; }
-.nav-item:hover, .nav-item-header:hover { background-color: #F5F5F7; color: var(--primary-color); }
-.nav-item.active { background-color: #F0F7FF; color: var(--primary-color); font-weight: 600; border-right: 3px solid var(--primary-color); }
-.icon { margin-right: 12px; font-size: 18px; }
-.arrow { margin-left: auto; transition: transform 0.3s; font-size: 12px; color: #C1C1C1; }
-.arrow.open { transform: rotate(180deg); }
-.nav-sub-items { background-color: #FAFAFA; }
-.nav-sub-item { padding: 10px 24px 10px 54px; cursor: pointer; font-size: 14px; color: #6E6E73; transition: all 0.2s; }
-.nav-sub-item:hover { color: var(--primary-color); }
-.nav-sub-item.active { color: var(--primary-color); font-weight: 600; background-color: #F0F7FF; }
-.sidebar-footer { padding: 16px 24px; border-top: 1px solid var(--border-color); }
-.version { font-size: 12px; color: var(--text-sec); }
-
-/* --- 内容区 --- */
+.nav-item, .nav-item-header { padding: 12px 24px; display: flex; align-items: center; cursor: pointer; color: #424245; font-size: 15px; font-weight: 500; }
+.nav-item.active { background: #F0F7FF; color: var(--primary-color); font-weight: 600; border-right: 3px solid var(--primary-color); }
+.nav-sub-item { padding: 10px 24px 10px 54px; cursor: pointer; font-size: 14px; color: #6E6E73; }
+.nav-sub-item.active { color: var(--primary-color); font-weight: 600; background: #F0F7FF; }
+.arrow { margin-left: auto; transition: transform 0.3s; font-size: 12px; } .arrow.open { transform: rotate(180deg); }
 .content { flex: 1; padding: 40px; overflow-y: auto; }
-.page-container { max-width: 900px; margin: 0 auto; }
-.page-header { margin-bottom: 32px; }
-.page-header h1 { font-size: 32px; font-weight: 800; margin-bottom: 8px; letter-spacing: -0.5px; }
-.page-header p { color: var(--text-sec); font-size: 16px; }
+.page-container { max-width: 900px; margin: 0 auto; } .page-header { margin-bottom: 32px; } .page-header h1 { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
 
 /* --- 按钮样式 --- */
-.btn-primary { background-color: var(--primary-color); color: white; border: none; padding: 14px 32px; border-radius: 12px; font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
-.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-1px); }
-.btn-primary:active { transform: translateY(0); }
-.btn-primary:disabled { background-color: #A5C7FF; cursor: not-allowed; transform: none; }
-.btn-secondary { background-color: white; color: var(--text-main); border: 1px solid var(--border-color); padding: 12px 32px; border-radius: 12px; font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
-.btn-secondary:hover { background-color: #F5F5F7; border-color: #D1D1D6; }
+.btn-primary { background: var(--primary-color); color: #fff; border: none; padding: 14px 32px; border-radius: 12px; font-size: 16px; font-weight: 600; cursor: pointer; }
+.btn-secondary { background: #fff; border: 1px solid var(--border-color); padding: 12px 32px; border-radius: 12px; font-size: 15px; cursor: pointer; }
+.btn-action { background: #F2F2F7; color: var(--primary-color); border: none; padding: 8px 20px; border-radius: 8px; font-weight: 700; cursor: pointer; transition: all 0.2s; min-width: 80px; }
+.btn-action:hover { background: var(--primary-color); color: #fff; }
+.btn-action:disabled { opacity: 0.5; cursor: wait; }
 
-/* --- 快速清理特有 UI --- */
+/* --- 高级模式卡片 --- */
+.adv-card-list { display: flex; flex-direction: column; gap: 20px; }
+.adv-card { background: #fff; border-radius: 16px; box-shadow: var(--card-shadow); border: 1px solid rgba(0,0,0,0.03); overflow: hidden; transition: all 0.3s; }
+.adv-card-main { padding: 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
+.adv-card-main:hover { background: #FAFAFA; }
+.adv-card-info { display: flex; align-items: center; gap: 20px; }
+.adv-card-icon { font-size: 32px; }
+.adv-card-text h3 { font-size: 18px; margin-bottom: 4px; }
+.adv-card-text p { color: var(--text-sec); font-size: 14px; }
+.adv-card-detail { padding: 0 24px 24px 76px; border-top: 1px solid #F2F2F7; background: #FAFAFA; }
+.detail-content { padding-top: 20px; }
+.detail-content h4 { font-size: 14px; margin-bottom: 8px; color: var(--text-main); }
+.detail-content p { font-size: 14px; color: var(--text-sec); line-height: 1.6; margin-bottom: 16px; }
+.warning-title { color: #FF9500 !important; margin-top: 16px; }
+.detail-content ul { padding-left: 20px; color: var(--text-sec); font-size: 13px; }
+.detail-content li { margin-bottom: 6px; }
+
+/* --- 原有 UI 样式恢复 --- */
 .main-action { margin: 60px 0; display: flex; justify-content: center; }
 .scan-circle-container { width: 220px; height: 220px; }
-.scan-circle { width: 100%; height: 100%; border-radius: 50%; border: 4px solid var(--border-color); display: flex; align-items: center; justify-content: center; position: relative; transition: all 0.5s; }
-.scan-circle.scanning { border-color: var(--primary-color); box-shadow: 0 0 40px rgba(0, 122, 255, 0.15); animation: pulse 2s infinite; }
-.scan-inner { width: 190px; height: 190px; border-radius: 50%; background: white; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: var(--card-shadow); transition: transform 0.2s; }
-.scan-inner:hover { transform: scale(1.05); }
+.scan-circle { width: 100%; height: 100%; border-radius: 50%; border: 4px solid var(--border-color); display: flex; align-items: center; justify-content: center; position: relative; }
+.scan-circle.scanning { border-color: var(--primary-color); animation: pulse 2s infinite; }
+.scan-inner { width: 190px; height: 190px; border-radius: 50%; background: white; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: var(--card-shadow); }
 .scan-btn-text { font-size: 22px; font-weight: 700; color: var(--primary-color); }
 .scan-percent { font-size: 36px; font-weight: 800; color: var(--primary-color); }
-
-.result-card { background: white; border-radius: 24px; padding: 40px; width: 100%; box-shadow: var(--card-shadow); text-align: center; border: 1px solid rgba(0,0,0,0.03); }
-.result-header { margin-bottom: 32px; }
-.result-icon { font-size: 54px; display: block; margin-bottom: 16px; }
+.result-card { background: white; border-radius: 24px; padding: 40px; width: 100%; box-shadow: var(--card-shadow); text-align: center; }
 .result-stats { display: flex; justify-content: center; align-items: center; margin-bottom: 32px; }
-.stat-item { flex: 1; }
-.stat-value { display: block; font-size: 36px; font-weight: 800; color: var(--primary-color); }
-.stat-label { font-size: 14px; color: var(--text-sec); font-weight: 500; }
-.stat-divider { width: 1px; height: 50px; background-color: var(--border-color); margin: 0 40px; }
-
+.stat-value { font-size: 36px; font-weight: 800; color: var(--primary-color); display: block; }
+.stat-divider { width: 1px; height: 50px; background: var(--border-color); margin: 0 40px; }
 .simulation-toggle { display: flex; align-items: center; justify-content: center; margin-bottom: 24px; gap: 12px; }
-.toggle-label { font-size: 14px; color: var(--text-sec); }
-.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
+.switch { position: relative; width: 44px; height: 24px; }
 .switch input { opacity: 0; width: 0; height: 0; }
-.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #E5E5E7; transition: .4s; border-radius: 24px; }
-.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .4s; border-radius: 50%; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
-input:checked + .slider { background-color: var(--primary-color); }
+.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background: #E5E5E7; transition: .4s; border-radius: 24px; }
+.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background: white; transition: .4s; border-radius: 50%; }
+input:checked + .slider { background: var(--primary-color); }
 input:checked + .slider:before { transform: translateX(20px); }
 
-.done-card { border: 2px solid #E8F5E9; }
-.result-icon.success { color: #34C759; }
-.clean-summary { font-size: 20px; color: var(--text-main); font-weight: 700; margin-top: 12px; }
-.done-info { margin-bottom: 32px; color: var(--text-sec); font-size: 15px; }
-
-/* --- 磁盘树特有 UI --- */
-.tree-table-container { background: #fff; border-radius: 16px; overflow: hidden; margin-top: 24px; position: relative; min-height: 400px; }
-.shadow-card { box-shadow: var(--card-shadow); border: 1px solid rgba(0,0,0,0.03); }
+/* --- 磁盘树样式 --- */
+.tree-table-container { background: #fff; border-radius: 16px; overflow: hidden; margin-top: 24px; min-height: 400px; box-shadow: var(--card-shadow); }
 .tree-header { display: flex; background: #F5F5F7; padding: 14px 20px; font-size: 13px; font-weight: 700; color: var(--text-sec); border-bottom: 1px solid var(--border-color); }
-.tree-body { max-height: 600px; overflow-y: auto; }
-.tree-row { display: flex; align-items: center; padding: 12px 20px; border-bottom: 1px solid #F2F2F7; font-size: 14px; transition: background 0.1s; }
+.tree-row { display: flex; align-items: center; padding: 12px 20px; border-bottom: 1px solid #F2F2F7; font-size: 14px; }
 .tree-row:hover { background: #F9FAFB; }
-.tree-row.is-file { color: var(--text-sec); }
-.col-name { flex: 2; display: flex; align-items: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
-.col-size { width: 110px; text-align: right; font-family: 'SF Mono', 'Roboto Mono', monospace; font-weight: 600; color: #1D1D1F; }
+.col-name { flex: 2; display: flex; align-items: center; overflow: hidden; }
+.col-size { width: 110px; text-align: right; font-family: monospace; font-weight: 600; }
 .col-graph { width: 200px; display: flex; align-items: center; gap: 12px; padding-left: 30px; }
-.node-toggle { width: 24px; cursor: pointer; color: #C1C1C1; font-size: 11px; display: inline-block; text-align: center; }
-.node-icon { width: 24px; font-size: 14px; }
 .mini-bar-bg { flex: 1; height: 6px; background: #F2F2F7; border-radius: 3px; overflow: hidden; }
-.mini-bar-fill { height: 100%; background: linear-gradient(90deg, #007AFF, #5856D6); border-radius: 3px; }
-.percent-text { font-size: 11px; color: var(--text-sec); width: 35px; font-weight: 600; }
+.mini-bar-fill { height: 100%; background: linear-gradient(90deg, #007AFF, #5856D6); }
+.percent-text { font-size: 11px; width: 35px; }
+.node-toggle { width: 24px; cursor: pointer; color: #C1C1C1; }
 
-.scanning-overlay { padding: 100px 40px; text-align: center; color: var(--text-sec); }
-.spinner { width: 40px; height: 40px; border: 4px solid #f3f3f3; border-top: 4px solid var(--primary-color); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 20px; }
-
-/* --- 通用列表 --- */
-.detail-list { background: white; border-radius: 16px; padding: 24px; box-shadow: var(--card-shadow); margin-top: 32px; border: 1px solid rgba(0,0,0,0.02); }
-.detail-list h3 { font-size: 17px; margin-bottom: 16px; font-weight: 700; }
-.detail-item { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #F2F2F7; font-size: 14px; color: #424245; }
-.item-size { font-weight: 600; color: var(--primary-color); }
-
-.placeholder-page { padding-top: 100px; text-align: center; color: var(--text-sec); }
-.empty-icon { font-size: 64px; display: block; margin-bottom: 24px; }
+.detail-list { background: white; border-radius: 16px; padding: 24px; box-shadow: var(--card-shadow); margin-top: 32px; }
+.detail-item { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #F2F2F7; font-size: 14px; }
 
 @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
 @keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(0, 122, 255, 0.3); } 70% { box-shadow: 0 0 0 25px rgba(0, 122, 255, 0); } 100% { box-shadow: 0 0 0 0 rgba(0, 122, 255, 0); } }