diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index a475e17..bfd3efd 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -3,8 +3,11 @@
     <Header
       :currentView="currentView"
       :theme="theme"
+      :activeTaskCount="activeTaskCount"
+      :showTaskDrawer="showTaskDrawer"
       @navigate="navigate"
       @toggleTheme="toggleTheme"
+      @toggleTaskDrawer="showTaskDrawer = !showTaskDrawer"
     />
 
     <div class="main-area">
@@ -24,15 +27,15 @@
           </KeepAlive>
           <LogPage     v-show="currentView === 'logs'" ref="logPageRef" />
         </main>
-        <TaskDrawer :tasks="tasks" @cancel="handleCancel" @remove="handleRemove" />
       </div>
+      <TaskDrawer :tasks="tasks" :show="showTaskDrawer" @cancel="handleCancel" @remove="handleRemove" @close="showTaskDrawer = false" />
     </div>
 
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { ref, computed, onMounted } from 'vue'
 import Header from './components/Header.vue'
 import Sidebar from './components/Sidebar.vue'
 import TaskDrawer from './components/TaskDrawer.vue'
@@ -58,12 +61,23 @@ async function restoreTheme() {
   document.documentElement.setAttribute('data-theme', theme.value)
 }
 const tasks = ref<Task[]>([])
+const showTaskDrawer = ref(false)
+const activeTaskCount = computed(() => tasks.value.filter(t => t.status === 'running' || t.status === 'pending').length)
 const gpuInfo = ref<any[]>([])
 
 const logPageRef = ref<InstanceType<typeof LogPage> | null>(null)
 
 onMounted(() => {
+  // Suppress browser-native behaviours in the desktop webview
   document.addEventListener('contextmenu', e => e.preventDefault())
+  document.addEventListener('wheel', e => { if (e.ctrlKey) e.preventDefault() }, { passive: false })
+  document.addEventListener('dragover', e => e.preventDefault())
+  document.addEventListener('drop', e => e.preventDefault())
+  document.addEventListener('dragstart', e => e.preventDefault())
+  document.addEventListener('keydown', (e: KeyboardEvent) => {
+    // Block refresh: F5 / Ctrl+R / Ctrl+Shift+R
+    if (e.key === 'F5' || ((e.ctrlKey || e.metaKey) && e.key === 'r')) e.preventDefault()
+  })
   restoreTheme()
   loadTasks()
   loadGPUInfo()
diff --git a/frontend/src/assets/icon/DarkMode.svg b/frontend/src/assets/icon/DarkMode.svg
new file mode 100644
index 0000000..1bc61de
--- /dev/null
+++ b/frontend/src/assets/icon/DarkMode.svg
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785380202265" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="14723" xmlns:xlink="http://www.w3.org/1999/xlink"><path fill="currentColor" d="M509.184 84.992a427.008 427.008 0 0 1 85.888 8.704 38.4 38.4 0 0 1 1.92 74.496 207.104 207.104 0 1 0 252.864 252.864 38.4 38.4 0 0 1 74.752 1.92 424.256 424.256 0 1 1-415.424-337.984z m140.288 567.808a283.968 283.968 0 0 1-199.68-485.952 347.392 347.392 0 1 0 401.6 401.6 283.904 283.904 0 0 1-201.92 84.352z" p-id="14724"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/assets/icon/LightMode.svg b/frontend/src/assets/icon/LightMode.svg
new file mode 100644
index 0000000..bb69bd6
--- /dev/null
+++ b/frontend/src/assets/icon/LightMode.svg
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785380229847" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="16726" xmlns:xlink="http://www.w3.org/1999/xlink"><path fill="currentColor" d="M533.333333 853.333333a21.333333 21.333333 0 0 1 21.333334 21.333334v106.666666a21.333333 21.333333 0 0 1-21.333334 21.333334h-42.666666a21.333333 21.333333 0 0 1-21.333334-21.333334v-106.666666a21.333333 21.333333 0 0 1 21.333334-21.333334h42.666666z m-282.282666-100.949333l30.272 30.08a21.333333 21.333333 0 0 1 0.085333 30.165333L207.637333 886.826667a21.333333 21.333333 0 0 1-30.165333 0.085333l-30.250667-30.08a21.333333 21.333333 0 0 1-0.085333-30.165333l73.749333-74.176a21.333333 21.333333 0 0 1 30.165334-0.085334z m564.714666-8.682667l82.816 82.816a21.333333 21.333333 0 0 1 0 30.165334l-30.165333 30.165333a21.333333 21.333333 0 0 1-30.165333 0L755.413333 804.053333a21.333333 21.333333 0 0 1 0-30.165333l30.165334-30.165333a21.333333 21.333333 0 0 1 30.165333 0zM512.426667 256c153.173333 0 277.333333 124.16 277.333333 277.333333s-124.16 277.333333-277.333333 277.333334-277.333333-124.16-277.333334-277.333334 124.16-277.333333 277.333334-277.333333z m0 85.333333a192 192 0 1 0 0 384 192 192 0 0 0 0-384zM192 490.666667a21.333333 21.333333 0 0 1 21.333333 21.333333v42.666667a21.333333 21.333333 0 0 1-21.333333 21.333333H64a21.333333 21.333333 0 0 1-21.333333-21.333333v-42.666667a21.333333 21.333333 0 0 1 21.333333-21.333333h128z m768-21.333334a21.333333 21.333333 0 0 1 21.333333 21.333334v42.666666a21.333333 21.333333 0 0 1-21.333333 21.333334h-128a21.333333 21.333333 0 0 1-21.333333-21.333334v-42.666666a21.333333 21.333333 0 0 1 21.333333-21.333334h128zM846.08 160.704l30.250667 30.08a21.333333 21.333333 0 0 1 0.085333 30.165333l-82.56 83.050667a21.333333 21.333333 0 0 1-30.165333 0.085333l-30.250667-30.08a21.333333 21.333333 0 0 1-0.106667-30.186666l82.56-83.029334a21.333333 21.333333 0 0 1 30.186667-0.085333z m-616.746667 0.042667l73.962667 73.962666a21.333333 21.333333 0 0 1 0 30.165334l-30.165333 30.165333a21.333333 21.333333 0 0 1-30.165334 0l-73.962666-73.962667a21.333333 21.333333 0 0 1 0-30.165333l30.165333-30.165333a21.333333 21.333333 0 0 1 30.165333 0zM533.333333 42.666667a21.333333 21.333333 0 0 1 21.333334 21.333333v128a21.333333 21.333333 0 0 1-21.333334 21.333333h-42.666666a21.333333 21.333333 0 0 1-21.333334-21.333333V64a21.333333 21.333333 0 0 1 21.333334-21.333333h42.666666z" p-id="16727"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/assets/icon/Maximize.svg b/frontend/src/assets/icon/Maximize.svg
new file mode 100644
index 0000000..17ad424
--- /dev/null
+++ b/frontend/src/assets/icon/Maximize.svg
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785378916571" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2496" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M812.3 959.4H213.7c-81.6 0-148-66.4-148-148V212.9c0-81.6 66.4-148 148-148h598.5c81.6 0 148 66.4 148 148v598.5C960.3 893 893.9 959.4 812.3 959.4zM213.7 120.9c-50.7 0-92 41.3-92 92v598.5c0 50.7 41.3 92 92 92h598.5c50.7 0 92-41.3 92-92V212.9c0-50.7-41.3-92-92-92H213.7z" fill="currentColor" p-id="2497"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/assets/icon/Minimize.svg b/frontend/src/assets/icon/Minimize.svg
new file mode 100644
index 0000000..a6216a7
--- /dev/null
+++ b/frontend/src/assets/icon/Minimize.svg
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785378927584" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2651" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M929.8 528.1H93.5c-15.5 0-28-12.5-28-28s12.5-28 28-28h836.3c15.5 0 28 12.5 28 28s-12.5 28-28 28z" fill="currentColor" p-id="2652"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/assets/icon/Normalmize.svg b/frontend/src/assets/icon/Normalmize.svg
new file mode 100644
index 0000000..d343445
--- /dev/null
+++ b/frontend/src/assets/icon/Normalmize.svg
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785379007596" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="3117" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M812.2 65H351.6c-78.3 0-142.5 61.1-147.7 138.1-77 5.1-138.1 69.4-138.1 147.7v460.6c0 81.6 66.4 148 148 148h460.6c78.3 0 142.5-61.1 147.7-138.1 77-5.1 138.1-69.4 138.1-147.7V213c0-81.6-66.4-148-148-148z m-45.8 746.3c0 50.7-41.3 92-92 92H213.8c-50.7 0-92-41.3-92-92V350.7c0-50.7 41.3-92 92-92h460.6c50.7 0 92 41.3 92 92v460.6z m137.8-137.7c0 47.3-35.8 86.3-81.8 91.4V350.7c0-81.6-66.4-148-148-148H260.2c5.1-45.9 44.2-81.8 91.4-81.8h460.6c50.7 0 92 41.3 92 92v460.7z" fill="currentColor" p-id="3118"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/assets/icon/Settings.svg b/frontend/src/assets/icon/Settings.svg
new file mode 100644
index 0000000..317d3ae
--- /dev/null
+++ b/frontend/src/assets/icon/Settings.svg
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785378895955" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2340" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M512.7 664.3c-82.9 0-150.4-67.4-150.4-150.4 0-82.9 67.4-150.4 150.4-150.4 82.9 0 150.4 67.4 150.4 150.4-0.1 83-67.5 150.4-150.4 150.4z m0-244.7c-52 0-94.4 42.3-94.4 94.4 0 52 42.3 94.4 94.4 94.4S607 566 607 514c0-52-42.3-94.4-94.3-94.4z" fill="currentColor" p-id="2341"></path><path d="M631.2 940.5c-15.2 0-30.1-6-41.2-17.3l-63.5-64.8c-4.1-4.2-9.5-6.5-15.4-6.5-5.8 0-11.3 2.3-15.3 6.4l-63.5 64.4c-17.4 17.6-44 22.2-66.2 11.4l-94.5-45.7c-22.2-10.8-35.2-34.5-32.2-59l11-90.1c0.7-5.8-0.9-11.5-4.5-16-3.6-4.6-8.8-7.4-14.6-8l-89.9-9.5c-24.6-2.6-44.8-20.5-50.2-44.6L67.7 558.8c-5.5-24.1 5-49 26-62l77.3-47.6c5-3.1 8.4-7.9 9.7-13.5 1.3-5.7 0.3-11.5-2.8-16.4L129.2 343c-13.3-20.8-11.9-47.8 3.5-67.1l65.5-82c15.4-19.3 41.4-26.7 64.7-18.3l85.4 30.7c5.5 2 11.4 1.7 16.6-0.9 5.2-2.5 9.2-7 11.1-12.5l29.2-85.6c8-23.4 29.9-39.1 54.6-39.1h105c24.7 0 46.7 15.7 54.6 39.1l29.6 86.8c1.9 5.5 5.8 9.9 11 12.5s11.1 2.8 16.6 0.9l86.1-30.6c23.3-8.3 49.2-0.8 64.6 18.5l65.2 82.3c15.3 19.4 16.7 46.3 3.3 67.1l-49.1 76.3c-3.2 4.9-4.2 10.7-2.9 16.4 1.3 5.7 4.7 10.5 9.7 13.6l76.8 47.7c21 13 31.4 38 25.8 62l-23.6 102.3a57.67 57.67 0 0 1-50.4 44.4l-90.3 9.2c-5.8 0.6-11 3.4-14.6 8-3.6 4.5-5.3 10.2-4.6 16l10.7 89.8c2.9 24.5-10.1 48.2-32.4 58.9l-94.7 45.4c-8.1 3.9-16.6 5.7-25 5.7zM511 795.9h0.1c21 0 40.6 8.3 55.3 23.3l63.5 64.8c0.5 0.5 1.3 0.7 2 0.4l94.7-45.4c0.7-0.3 1.1-1 1-1.8l-10.7-89.8c-2.5-20.8 3.4-41.3 16.5-57.6s31.8-26.5 52.7-28.7l90.3-9.2c0.7-0.1 1.3-0.6 1.5-1.3l23.6-102.3c0.2-0.7-0.1-1.5-0.8-1.9l-76.8-47.7c-17.8-11.1-30.2-28.4-34.8-48.8-4.6-20.4-0.9-41.4 10.5-59l49.1-76.3c0.4-0.6 0.4-1.4-0.1-2l-65.2-82.3c-0.5-0.6-1.2-0.8-1.9-0.6l-86.1 30.6c-19.7 7-40.9 5.9-59.7-3.2-18.8-9.1-32.9-25-39.7-44.8l-29.6-86.8c-0.2-0.7-0.9-1.2-1.6-1.2h-105c-0.7 0-1.4 0.5-1.6 1.2L429 211c-6.8 19.8-20.9 35.8-39.8 44.9-18.9 9.1-40.1 10.2-59.9 3.1l-85.4-30.7c-0.7-0.2-1.5 0-1.9 0.5l-65.5 82c-0.5 0.6-0.5 1.4-0.1 2l48.7 76.2c11.3 17.7 14.9 38.6 10.2 59.1-4.7 20.4-17.1 37.7-34.9 48.7l-77.3 47.6c-0.6 0.4-0.9 1.1-0.8 1.9l23.3 102.4c0.2 0.7 0.8 1.3 1.5 1.3l89.9 9.5c20.8 2.2 39.5 12.4 52.6 28.8 13 16.4 18.8 36.9 16.3 57.7l-11 90.1c-0.1 0.7 0.3 1.4 1 1.8l94.5 45.7c0.7 0.3 1.5 0.2 2-0.3l63.5-64.4c14.6-14.8 34.2-23 55.1-23z" fill="currentColor" p-id="2342"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/assets/icon/Shut down.svg b/frontend/src/assets/icon/Shut down.svg
new file mode 100644
index 0000000..889c347
--- /dev/null
+++ b/frontend/src/assets/icon/Shut down.svg	
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785378934771" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2806" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M96.6 915c-10.9-10.9-10.9-28.7 0-39.6L887 85c10.9-10.9 28.7-10.9 39.6 0 10.9 10.9 10.9 28.7 0 39.6L136.2 915c-10.9 10.9-28.6 10.9-39.6 0z" fill="currentColor" p-id="2807"></path><path d="M887 915L96.6 124.6c-10.9-10.9-10.9-28.7 0-39.6 10.9-10.9 28.7-10.9 39.6 0l790.4 790.4c10.9 10.9 10.9 28.7 0 39.6-10.9 10.9-28.6 10.9-39.6 0z" fill="currentColor" p-id="2808"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/assets/icon/TaskList.svg b/frontend/src/assets/icon/TaskList.svg
new file mode 100644
index 0000000..cb58fb5
--- /dev/null
+++ b/frontend/src/assets/icon/TaskList.svg
@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785380061683" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="9491" xmlns:xlink="http://www.w3.org/1999/xlink"><path fill="currentColor" d="M832 64H192c-70.4 0-128 57.6-128 128v640c0 70.4 57.6 128 128 128h640c70.4 0 128-57.6 128-128V192c0-70.4-57.6-128-128-128z m64 768c0 38.4-25.6 64-64 64H192c-38.4 0-64-25.6-64-64V192c0-38.4 25.6-64 64-64h640c38.4 0 64 25.6 64 64v640z" p-id="9492"></path><path fill="currentColor" d="M332.8 537.6c-51.2 0-96 44.8-96 96s44.8 96 96 96 96-44.8 96-96S384 537.6 332.8 537.6z m0 128c-19.2 0-32-12.8-32-32s12.8-32 32-32 32 12.8 32 32-12.8 32-32 32zM403.2 281.6L307.2 377.6l-44.8-38.4c-12.8-12.8-32-12.8-44.8 0s-12.8 32 0 44.8l64 64c6.4 6.4 12.8 6.4 25.6 6.4s12.8 0 19.2-6.4L448 326.4c12.8-12.8 12.8-32 0-44.8s-32-12.8-44.8 0zM787.2 332.8h-256c-19.2 0-32 12.8-32 32s12.8 32 32 32h256c19.2 0 32-12.8 32-32s-12.8-32-32-32zM787.2 601.6h-256c-19.2 0-32 12.8-32 32s12.8 32 32 32h256c19.2 0 32-12.8 32-32s-12.8-32-32-32z" p-id="9493"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/assets/icon/app-logo.svg b/frontend/src/assets/icon/app-logo.svg
index 2fa37f2..188204a 100644
--- a/frontend/src/assets/icon/app-logo.svg
+++ b/frontend/src/assets/icon/app-logo.svg
@@ -1 +1 @@
-<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785291728333" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1480" xmlns:xlink="http://www.w3.org/1999/xlink" width="200" height="200"><path d="M861.257143 54.857143c27.428571 0 51.2 21.942857 53.028571 49.371428v446.171429h-69.485714V124.342857H142.628571v791.771429h316.342858V987.428571H126.171429c-27.428571 0-51.2-21.942857-53.028572-49.371428V107.885714C73.142857 78.628571 95.085714 56.685714 122.514286 54.857143H861.257143zM592.457143 499.2c3.657143 0 7.314286 1.828571 9.142857 3.657143L950.857143 725.942857c9.142857 5.485714 10.971429 16.457143 5.485714 25.6l-5.485714 5.485714-347.428572 221.257143c-9.142857 5.485714-20.114286 3.657143-25.6-5.485714-1.828571-3.657143-3.657143-5.485714-3.657142-9.142857V517.485714c0-10.971429 9.142857-18.285714 18.285714-18.285714z m54.857143 117.028571v245.028572L841.142857 738.742857l-193.828571-122.514286zM457.142857 548.571429c10.971429 0 18.285714 7.314286 18.285714 18.285714v36.571428c0 10.971429-7.314286 18.285714-18.285714 18.285715H274.285714c-10.971429 0-18.285714-7.314286-18.285714-18.285715v-36.571428c0-10.971429 7.314286-18.285714 18.285714-18.285714h182.857143z m292.571429-256c10.971429 0 18.285714 7.314286 18.285714 18.285714v36.571428c0 10.971429-7.314286 18.285714-18.285714 18.285715H274.285714c-10.971429 0-18.285714-7.314286-18.285714-18.285715v-36.571428c0-10.971429 7.314286-18.285714 18.285714-18.285714h475.428572z" fill="#1296db" p-id="1481"></path></svg>
\ No newline at end of file
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1785291728333" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1480" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M861.257143 54.857143c27.428571 0 51.2 21.942857 53.028571 49.371428v446.171429h-69.485714V124.342857H142.628571v791.771429h316.342858V987.428571H126.171429c-27.428571 0-51.2-21.942857-53.028572-49.371428V107.885714C73.142857 78.628571 95.085714 56.685714 122.514286 54.857143H861.257143zM592.457143 499.2c3.657143 0 7.314286 1.828571 9.142857 3.657143L950.857143 725.942857c9.142857 5.485714 10.971429 16.457143 5.485714 25.6l-5.485714 5.485714-347.428572 221.257143c-9.142857 5.485714-20.114286 3.657143-25.6-5.485714-1.828571-3.657143-3.657143-5.485714-3.657142-9.142857V517.485714c0-10.971429 9.142857-18.285714 18.285714-18.285714z m54.857143 117.028571v245.028572L841.142857 738.742857l-193.828571-122.514286zM457.142857 548.571429c10.971429 0 18.285714 7.314286 18.285714 18.285714v36.571428c0 10.971429-7.314286 18.285714-18.285714 18.285715H274.285714c-10.971429 0-18.285714-7.314286-18.285714-18.285715v-36.571428c0-10.971429 7.314286-18.285714 18.285714-18.285714h182.857143z m292.571429-256c10.971429 0 18.285714 7.314286 18.285714 18.285714v36.571428c0 10.971429-7.314286 18.285714-18.285714 18.285715H274.285714c-10.971429 0-18.285714-7.314286-18.285714-18.285715v-36.571428c0-10.971429 7.314286-18.285714 18.285714-18.285714h475.428572z" fill="#1296db" p-id="1481"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/components/Header.vue b/frontend/src/components/Header.vue
index f4bf234..2570c58 100644
--- a/frontend/src/components/Header.vue
+++ b/frontend/src/components/Header.vue
@@ -1,48 +1,49 @@
 <template>
   <header class="app-header" @dblclick="toggleMaximize">
     <div class="header-left" style="--wails-draggable: drag">
-      <img :src="logoSrc" class="app-logo" width="22" height="22" alt="" />
+      <span class="hdr-icon app-logo" v-html="logoSrc"></span>
       <span class="app-name">FFmpeg GUI</span>
     </div>
 
     <div class="header-center" style="--wails-draggable: drag"></div>
 
     <div class="header-right" style="--wails-draggable: no-drag">
+      <button
+        class="btn-ghost header-btn task-btn"
+        :class="{ active: showTaskDrawer }"
+        title="任务列表"
+        @click="$emit('toggleTaskDrawer')"
+      >
+        <span class="hdr-icon" v-html="taskListIcon"></span>
+        <span v-if="activeTaskCount" class="task-badge">{{ activeTaskCount }}</span>
+      </button>
       <button
         class="btn-ghost header-btn"
         :class="{ active: currentView === 'settings' }"
         title="设置"
         @click="$emit('navigate', 'settings')"
       >
-        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
-          <circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 2.83-2.83l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z"/>
-        </svg>
+        <span class="hdr-icon" v-html="settingsIcon"></span>
       </button>
       <button
         class="btn-ghost header-btn"
         :title="theme === 'dark' ? '亮色模式' : '暗色模式'"
         @click="$emit('toggleTheme')"
       >
-        <svg v-if="theme === 'dark'" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round">
-          <circle cx="12" cy="12" r="5"/><path d="M12 1v2M12 21v2M4.22 4.22l1.42 1.42M18.36 18.36l1.42 1.42M1 12h2M21 12h2M4.22 19.78l1.42-1.42M18.36 5.64l1.42-1.42"/>
-        </svg>
-        <svg v-else width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round">
-          <path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"/>
-        </svg>
+        <span v-if="theme === 'dark'" class="hdr-icon" v-html="lightModeIcon"></span>
+        <span v-else class="hdr-icon" v-html="darkModeIcon"></span>
       </button>
 
       <div class="win-controls">
         <button class="win-btn" title="最小化" @click="minimize">
-          <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="5" y1="12" x2="19" y2="12"/></svg>
+          <span class="hdr-icon" v-html="minimizeIcon"></span>
         </button>
         <button class="win-btn" :title="maximised ? '还原' : '最大化'" @click="toggleMaximize">
-          <svg v-if="maximised" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
-            <rect x="8" y="4" width="12" height="12" rx="1"/><path d="M5 16V7a1 1 0 0 1 1-1h8"/>
-          </svg>
-          <svg v-else width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="4" y="4" width="16" height="16" rx="2"/></svg>
+          <span v-if="maximised" class="hdr-icon" v-html="restoreIcon"></span>
+          <span v-else class="hdr-icon" v-html="maximizeIcon"></span>
         </button>
         <button class="win-btn win-btn-close" title="关闭" @click="closeWindow">
-          <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
+          <span class="hdr-icon" v-html="closeIcon"></span>
         </button>
       </div>
     </div>
@@ -50,22 +51,40 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
-import logoSrc from '../assets/icon/app-logo.svg'
+import { ref, onMounted, onUnmounted } from 'vue'
+import logoSrc from '../assets/icon/app-logo.svg?raw'
+import settingsIcon from '../assets/icon/Settings.svg?raw'
+import taskListIcon from '../assets/icon/TaskList.svg?raw'
+import minimizeIcon from '../assets/icon/Minimize.svg?raw'
+import maximizeIcon from '../assets/icon/Maximize.svg?raw'
+import restoreIcon from '../assets/icon/Normalmize.svg?raw'
+import closeIcon from '../assets/icon/Shut down.svg?raw'
+import darkModeIcon from '../assets/icon/DarkMode.svg?raw'
+import lightModeIcon from '../assets/icon/LightMode.svg?raw'
 
-defineProps<{ currentView: string; theme: string }>()
+defineProps<{ currentView: string; theme: string; activeTaskCount: number; showTaskDrawer: boolean }>()
 defineEmits<{
   navigate: [view: string]
   toggleTheme: []
+  toggleTaskDrawer: []
 }>()
 
 const maximised = ref(false)
 
-onMounted(async () => {
+async function syncMaximisedState() {
   try {
     const app = (window as any).go?.main?.App
     if (app?.IsMaximised) maximised.value = await app.IsMaximised()
   } catch {}
+}
+
+onMounted(() => {
+  syncMaximisedState()
+  window.addEventListener('resize', syncMaximisedState)
+})
+
+onUnmounted(() => {
+  window.removeEventListener('resize', syncMaximisedState)
 })
 
 function minimize() {
@@ -108,7 +127,7 @@ function closeWindow() {
   height: 100%;
 }
 
-.app-logo { flex-shrink: 0; }
+.app-logo { width: 22px; height: 22px; flex-shrink: 0; }
 .app-name {
   font-size: 15px;
   font-weight: 600;
@@ -123,6 +142,20 @@ function closeWindow() {
   padding-right: 2px;
 }
 
+/* Icon — inline SVG injected via v-html inherits button text color */
+.hdr-icon {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 18px;
+  height: 18px;
+}
+.hdr-icon :deep(svg) {
+  width: 100%;
+  height: 100%;
+  display: block;
+}
+
 .header-btn {
   color: var(--header-text-dim) !important;
   width: 32px;
@@ -136,6 +169,24 @@ function closeWindow() {
 .header-btn:hover { color: var(--header-text) !important; background: var(--bg-hover) !important; }
 .header-btn.active { color: var(--accent) !important; background: var(--accent-light) !important; }
 
+.task-btn { position: relative; }
+.task-badge {
+  position: absolute;
+  top: -2px;
+  right: -2px;
+  min-width: 16px;
+  height: 16px;
+  padding: 0 4px;
+  font-size: 10px;
+  font-weight: 700;
+  line-height: 16px;
+  text-align: center;
+  color: #fff;
+  background: var(--danger, #e81123);
+  border-radius: 8px;
+  pointer-events: none;
+}
+
 /* Window controls */
 .win-controls {
   display: flex;
diff --git a/frontend/src/components/TaskDrawer.vue b/frontend/src/components/TaskDrawer.vue
index 06b7c6f..223ed94 100644
--- a/frontend/src/components/TaskDrawer.vue
+++ b/frontend/src/components/TaskDrawer.vue
@@ -1,145 +1,149 @@
 <template>
-  <div class="task-drawer" :class="{ expanded }">
-    <!-- Collapsed bar -->
-    <div class="drawer-bar" @click="expanded = !expanded">
-      <div class="bar-left">
-        <span class="bar-label">任务进度</span>
-        <span v-if="runningTasks.length" class="bar-status running">
-          {{ runningTasks.length }} 个运行中 — 速度：{{ fmtFps(runningTasks[0].progress.fps) }} FPS
-        </span>
-        <span v-else class="bar-status idle">空闲</span>
-      </div>
-      <div class="bar-right">
-        <span class="bar-count" v-if="taskCount">{{ taskCount }}</span>
-        <svg
-          class="bar-arrow"
-          :class="{ flipped: expanded }"
-          width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
-        >
-          <polyline points="18 15 12 9 6 15"/>
-        </svg>
-      </div>
-    </div>
-
-    <!-- Expanded panel -->
-    <div class="drawer-body" v-show="expanded">
-      <!-- Running tasks -->
-      <div v-for="t in runningTasks" :key="t.id" class="current-task">
-        <div class="current-task-header">
-          <span class="task-filename">{{ basename(t.inputFile) }}</span>
-          <div class="header-badges">
-            <span class="task-type-tag">{{ typeLabel(t) }}</span>
-            <span class="task-codec">{{ codecLabel(t) }}</span>
-          </div>
-        </div>
-
-        <div class="progress-section">
-          <div class="progress-bar">
-            <div class="progress-fill" :style="{ width: t.progress.percent + '%' }"></div>
-          </div>
-          <div class="progress-pct">{{ fmtPct(t.progress.percent) }}%</div>
-        </div>
-
-        <div class="task-stats">
-          <div class="stat">
-            <span class="stat-label">速度</span>
-            <span class="stat-value">{{ fmtFps(t.progress.fps) }} FPS</span>
-          </div>
-          <div class="stat">
-            <span class="stat-label">剩余时间</span>
-            <span class="stat-value">{{ t.progress.eta || speedLabel(t.progress.speed) || '—' }}</span>
-          </div>
-          <div class="stat">
-            <span class="stat-label">码率</span>
-            <span class="stat-value">{{ t.progress.bitrate || '—' }}</span>
-          </div>
-        </div>
-
-        <div class="current-task-actions">
-          <button class="btn-danger btn-sm" @click="$emit('cancel', t.id)">停止</button>
-        </div>
+  <Transition name="slide-right">
+    <div v-if="show" class="task-overlay" @click.self="$emit('close')">
+    <div class="task-panel">
+      <!-- Title bar -->
+      <div class="panel-header">
+        <span class="panel-title">任务列表</span>
+        <button class="btn-ghost panel-close" title="关闭" @click="$emit('close')">
+          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
+        </button>
       </div>
 
-      <!-- Queued tasks -->
-      <div v-if="queuedTasks.length" class="queued-section">
-        <div class="queued-header">排队中 ({{ queuedTasks.length }})</div>
-        <div v-for="t in queuedTasks" :key="t.id" class="queued-item">
-          <span class="queued-name">{{ basename(t.inputFile) }}</span>
-          <span class="queued-type">{{ typeLabel(t) }}</span>
-          <button class="btn-ghost btn-sm" @click="$emit('cancel', t.id)" title="移除">
-            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
-          </button>
-        </div>
-      </div>
-
-      <!-- Done tasks -->
-      <div v-if="doneTasks.length" class="done-section">
-        <div class="queued-header">已完成 ({{ doneTasks.length }})</div>
-        <template v-for="t in doneTasks.slice(-10)" :key="t.id">
-          <div class="queued-item done" @click="toggleDoneDetail(t.id)">
-            <span class="queued-name">{{ basename(t.inputFile) }}</span>
-            <span class="queued-type">{{ typeLabel(t) }}</span>
-            <span :class="['done-badge', t.status]">{{ statusLabel(t) }}</span>
-            <svg
-              class="expand-arrow"
-              :class="{ rotated: expandedDone === t.id }"
-              width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
-            >
-              <polyline points="6 9 12 15 18 9"/>
-            </svg>
-          </div>
-          <div v-if="expandedDone === t.id" class="current-task done-detail">
-            <div class="current-task-header">
-              <span class="task-filename">{{ basename(t.inputFile) }}</span>
+      <!-- Body -->
+      <div class="panel-body">
+        <!-- Running tasks -->
+        <div v-for="t in runningTasks" :key="t.id" class="current-task">
+          <div class="current-task-header">
+            <span class="task-filename">{{ basename(t.inputFile) }}</span>
+            <div class="header-badges">
+              <span class="task-type-tag">{{ typeLabel(t) }}</span>
               <span class="task-codec">{{ codecLabel(t) }}</span>
             </div>
-            <div class="task-stats">
-              <div class="stat">
-                <span class="stat-label">输出</span>
-                <span class="stat-value output-name">{{ basename(t.outputFile) }}</span>
-              </div>
-              <div class="stat">
-                <span class="stat-label">类型</span>
-                <span class="stat-value">{{ typeLabel(t) }}</span>
-              </div>
-              <div class="stat">
-                <span class="stat-label">状态</span>
-                <span :class="['stat-value', 'status-' + t.status]">{{ statusLabel(t) }}</span>
-              </div>
+          </div>
+
+          <div class="progress-section">
+            <div class="progress-bar">
+              <div class="progress-fill" :style="{ width: t.progress.percent + '%' }"></div>
             </div>
-            <div v-if="t.error" class="task-error">
-              <span class="error-label">错误信息</span>
-              <pre class="error-msg">{{ t.error }}</pre>
+            <div class="progress-pct">{{ fmtPct(t.progress.percent) }}%</div>
+          </div>
+
+          <div class="task-stats">
+            <div class="stat">
+              <span class="stat-label">速度</span>
+              <span class="stat-value">{{ fmtFps(t.progress.fps) }} FPS</span>
             </div>
-            <div v-if="t.args?.length" class="task-args">
-              <span class="error-label">命令行</span>
-              <pre class="error-msg">ffmpeg {{ t.args.join(' ') }}</pre>
+            <div class="stat">
+              <span class="stat-label">剩余时间</span>
+              <span class="stat-value">{{ t.progress.eta || speedLabel(t.progress.speed) || '—' }}</span>
             </div>
-            <div class="current-task-actions">
-              <button class="btn-ghost btn-sm" style="color: var(--text-dim)" @click.stop="$emit('remove', t.id)">移除记录</button>
-            </div>
-            <div class="task-time">
-              <span>{{ fmtTime(t.createdAt) }}</span>
-              <span v-if="t.completedAt"> → {{ fmtTime(t.completedAt) }}</span>
+            <div class="stat">
+              <span class="stat-label">码率</span>
+              <span class="stat-value">{{ t.progress.bitrate || '—' }}</span>
             </div>
           </div>
-        </template>
+
+          <div class="current-task-actions">
+            <button class="btn-danger btn-sm" @click="$emit('cancel', t.id)">停止</button>
+          </div>
+        </div>
+
+        <!-- Queued tasks -->
+        <div v-if="queuedTasks.length" class="queued-section">
+          <div class="queued-header">排队中 ({{ queuedTasks.length }})</div>
+          <div v-for="t in queuedTasks" :key="t.id" class="queued-item">
+            <span class="queued-name">{{ basename(t.inputFile) }}</span>
+            <span class="queued-type">{{ typeLabel(t) }}</span>
+            <button class="btn-ghost btn-sm" @click="$emit('cancel', t.id)" title="移除">
+              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
+            </button>
+          </div>
+        </div>
+
+        <!-- Done tasks -->
+        <div v-if="doneTasks.length" class="done-section">
+          <div class="queued-header">已完成 ({{ doneTasks.length }})</div>
+          <template v-for="t in doneTasks.slice(-20)" :key="t.id">
+            <div class="queued-item done" @click="toggleDoneDetail(t.id)">
+              <span class="queued-name">{{ basename(t.inputFile) }}</span>
+              <span class="queued-type">{{ typeLabel(t) }}</span>
+              <span :class="['done-badge', t.status]">{{ statusLabel(t) }}</span>
+              <svg
+                class="expand-arrow"
+                :class="{ rotated: expandedDone === t.id }"
+                width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
+              >
+                <polyline points="6 9 12 15 18 9"/>
+              </svg>
+            </div>
+            <div v-if="expandedDone === t.id" class="current-task done-detail">
+              <div class="current-task-header">
+                <span class="task-filename">{{ basename(t.inputFile) }}</span>
+                <span class="task-codec">{{ codecLabel(t) }}</span>
+              </div>
+              <div class="task-stats">
+                <div class="stat">
+                  <span class="stat-label">输出</span>
+                  <span class="stat-value output-name">{{ basename(t.outputFile) }}</span>
+                </div>
+                <div class="stat">
+                  <span class="stat-label">类型</span>
+                  <span class="stat-value">{{ typeLabel(t) }}</span>
+                </div>
+                <div class="stat">
+                  <span class="stat-label">状态</span>
+                  <span :class="['stat-value', 'status-' + t.status]">{{ statusLabel(t) }}</span>
+                </div>
+              </div>
+              <div v-if="t.error" class="task-error">
+                <span class="error-label">错误信息</span>
+                <pre class="error-msg">{{ t.error }}</pre>
+              </div>
+              <div v-if="t.args?.length" class="task-args">
+                <span class="error-label">命令行</span>
+                <pre class="error-msg">ffmpeg {{ t.args.join(' ') }}</pre>
+              </div>
+              <div class="current-task-actions">
+                <button class="btn-ghost btn-sm" style="color: var(--text-dim)" @click.stop="$emit('remove', t.id)">移除记录</button>
+              </div>
+              <div class="task-time">
+                <span>{{ fmtTime(t.createdAt) }}</span>
+                <span v-if="t.completedAt"> → {{ fmtTime(t.completedAt) }}</span>
+              </div>
+            </div>
+          </template>
+        </div>
+
+        <div v-if="!taskCount" class="empty-hint">
+          暂无任务
+        </div>
       </div>
     </div>
   </div>
+  </Transition>
 </template>
 
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { ref, computed, watch } from 'vue'
 import type { Task } from '../types'
 
-const props = defineProps<{ tasks: Task[] }>()
-defineEmits<{
+const props = defineProps<{ tasks: Task[]; show: boolean }>()
+const emit = defineEmits<{
   cancel: [id: string]
   remove: [id: string]
+  close: []
 }>()
 
-const expanded = ref(false)
+watch(() => props.show, (val) => {
+  if (val) {
+    const onEsc = (e: KeyboardEvent) => {
+      if (e.key === 'Escape') { emit('close'); document.removeEventListener('keydown', onEsc) }
+    }
+    document.addEventListener('keydown', onEsc)
+  }
+})
+
 const expandedDone = ref<string | null>(null)
 
 function toggleDoneDetail(id: string) {
@@ -204,59 +208,80 @@ function fmtTime(iso?: string): string {
 </script>
 
 <style scoped>
-.task-drawer {
-  flex-shrink: 0;
-  border-top: 1px solid var(--border);
-  background: var(--bg-card);
-  transition: height 0.25s ease;
-  height: var(--drawer-collapsed);
-}
-.task-drawer.expanded {
-  height: var(--drawer-expanded);
+/* Overlay — catches clicks outside the panel */
+.task-overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 20;
 }
 
-/* Collapsed bar */
-.drawer-bar {
-  height: var(--drawer-collapsed);
+/* Panel */
+.task-panel {
+  position: fixed;
+  top: var(--header-height);
+  right: 0;
+  bottom: 0;
+  width: 380px;
+  max-width: calc(100vw - 200px);
+  background: var(--bg-card);
+  border-left: 1px solid var(--border);
+  display: flex;
+  flex-direction: column;
+  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
+}
+
+/* Title bar */
+.panel-header {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  padding: 0 20px;
-  cursor: pointer;
-  user-select: none;
+  padding: 0 16px;
+  height: 44px;
+  flex-shrink: 0;
+  border-bottom: 1px solid var(--border);
 }
-.drawer-bar:hover { background: var(--bg-hover); }
-
-.bar-left { display: flex; align-items: center; gap: 16px; }
-.bar-label { font-size: 13px; font-weight: 600; color: var(--text-primary); }
-.bar-status { font-size: 12px; color: var(--text-dim); }
-.bar-status.running { color: var(--accent); font-weight: 500; }
-
-.bar-right { display: flex; align-items: center; gap: 8px; }
-.bar-count {
-  font-size: 11px;
-  font-weight: 600;
-  background: var(--accent);
-  color: white;
-  min-width: 20px;
-  height: 18px;
-  border-radius: 9px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  padding: 0 6px;
+.panel-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }
+.panel-close {
+  width: 28px; height: 28px; padding: 0;
+  display: flex; align-items: center; justify-content: center;
+  border-radius: 6px;
+  color: var(--text-dim);
 }
-.bar-arrow { color: var(--text-dim); transition: transform 0.2s; }
-.bar-arrow.flipped { transform: rotate(180deg); }
+.panel-close:hover { background: var(--bg-hover); color: var(--text-primary); }
 
 /* Body */
-.drawer-body {
-  padding: 0 20px 16px;
+.panel-body {
+  flex: 1;
+  overflow-y: auto;
+  padding: 16px;
   display: flex;
   flex-direction: column;
-  gap: 16px;
-  max-height: calc(var(--drawer-expanded) - var(--drawer-collapsed));
-  overflow-y: auto;
+  gap: 14px;
+}
+
+.empty-hint {
+  font-size: 13px;
+  color: var(--text-dim);
+  text-align: center;
+  padding: 40px 20px;
+}
+
+/* Slide transition */
+.slide-right-enter-active,
+.slide-right-leave-active {
+  transition: opacity 0.25s ease;
+}
+.slide-right-enter-active .task-panel,
+.slide-right-leave-active .task-panel {
+  transition: transform 0.25s ease;
+}
+.slide-right-enter-from,
+.slide-right-leave-to {
+  opacity: 0;
+}
+.slide-right-enter-from .task-panel,
+.slide-right-leave-to .task-panel {
+  transform: translateX(100%);
 }
 
 /* Current task */
@@ -379,6 +404,7 @@ function fmtTime(iso?: string): string {
   color: var(--text-dim);
   flex-shrink: 0;
   transition: transform 0.2s;
+  cursor: pointer;
 }
 .expand-arrow.rotated { transform: rotate(180deg); }
 
diff --git a/frontend/src/views/BurnPage.vue b/frontend/src/views/BurnPage.vue
index 5d5631a..b876d3e 100644
--- a/frontend/src/views/BurnPage.vue
+++ b/frontend/src/views/BurnPage.vue
@@ -110,7 +110,22 @@
       <div class="card-header"><h3>编码参数</h3></div>
       <div class="fields-row">
         <div class="field">
-          <label class="field-label">质量 / CRF (越小质量越高)</label>
+          <label class="field-label">
+            质量 / CRF (越小质量越高)
+            <span class="tip-wrap">
+              <span class="tip-icon">?</span>
+              <span class="tip-popup">
+                <em class="tip-title">CRF / CQ 参考</em>
+                <span class="tip-row"><b>1–10</b> 视觉无损，文件极大</span>
+                <span class="tip-row"><b>15–17</b> 非常清晰</span>
+                <span class="tip-row"><b>18–20</b> 优秀（推荐）</span>
+                <span class="tip-row"><b>21–23</b> 良好（默认 23）</span>
+                <span class="tip-row"><b>24–28</b> 可接受，体积小</span>
+                <span class="tip-row"><b>30+</b> 明显损失</span>
+                <span class="tip-note">H.265/HEVC 同 CQ 约省 30–50% 体积</span>
+              </span>
+            </span>
+          </label>
           <div class="crf-group">
             <input type="range" min="1" max="51" v-model.number="encodeSettings.crf" />
             <span class="crf-value">{{ encodeSettings.crf }}</span>
@@ -128,6 +143,22 @@
               <option value="p6">P6</option>
               <option value="p7">P7 — 最慢（高画质）</option>
             </template>
+            <template v-else-if="isSvtAv1">
+              <option value="13">13 — 最快（低画质）</option>
+              <option value="12">12</option>
+              <option value="11">11</option>
+              <option value="10">10</option>
+              <option value="9">9</option>
+              <option value="8">8</option>
+              <option value="7">7 — 中等</option>
+              <option value="6">6</option>
+              <option value="5">5</option>
+              <option value="4">4</option>
+              <option value="3">3</option>
+              <option value="2">2</option>
+              <option value="1">1</option>
+              <option value="0">0 — 最慢（高画质）</option>
+            </template>
             <template v-else>
               <option value="ultrafast">ultrafast</option>
               <option value="superfast">superfast</option>
@@ -262,6 +293,10 @@ const isHardwareCodec = computed(() => {
   const c = encodeSettings.value.videoCodec
   return c.includes('nvenc') || c.includes('qsv') || c.includes('amf')
 })
+const isSvtAv1 = computed(() => {
+  const c = encodeSettings.value.videoCodec
+  return c.includes('svtav1') || c === 'libsvtav1'
+})
 
 // When switching between HW/software encoder, reset preset and hwaccel
 watch(() => encodeSettings.value.videoCodec, (codec) => {
@@ -274,8 +309,10 @@ watch(() => encodeSettings.value.videoCodec, (codec) => {
   } else if (codec.includes('amf')) {
     if (!encodeSettings.value.preset.startsWith('p')) encodeSettings.value.preset = 'p4'
     hwAccel.value = 'd3d11va'
+  } else if (codec.includes('svtav1') || codec === 'libsvtav1') {
+    if (!/^\d+$/.test(encodeSettings.value.preset)) encodeSettings.value.preset = '10'
   } else {
-    if (encodeSettings.value.preset.startsWith('p')) encodeSettings.value.preset = 'medium'
+    if (encodeSettings.value.preset.startsWith('p') || /^\d+$/.test(encodeSettings.value.preset)) encodeSettings.value.preset = 'medium'
   }
 })
 
@@ -389,6 +426,39 @@ function subTagLabel(s: StreamInfo): string {
 
 .submit-area { display: flex; justify-content: flex-end; padding-top: 4px; }
 
+/* Tooltip */
+.tip-wrap { position: relative; display: inline-flex; vertical-align: middle; }
+.tip-icon {
+  display: inline-flex; align-items: center; justify-content: center;
+  width: 15px; height: 15px; border-radius: 50%;
+  background: var(--text-dim); color: #fff;
+  font-size: 10px; font-weight: 700; cursor: help;
+  margin-left: 3px; opacity: 0.6; transition: opacity 0.15s;
+}
+.tip-wrap:hover .tip-icon { opacity: 1; }
+.tip-popup {
+  display: none; position: absolute; bottom: calc(100% + 8px); left: 50%;
+  transform: translateX(-50%); z-index: 50;
+  background: var(--bg-card); border: 1px solid var(--border);
+  border-radius: var(--radius-sm); padding: 10px 14px;
+  min-width: 260px; box-shadow: 0 4px 16px rgba(0,0,0,0.15);
+  flex-direction: column; gap: 4px; white-space: nowrap;
+}
+.tip-wrap:hover .tip-popup { display: flex; }
+.tip-title {
+  font-style: normal; font-size: 13px; color: var(--text-primary);
+  margin-bottom: 6px; font-weight: 600;
+}
+.tip-row {
+  font-style: normal; font-size: 11px; color: var(--text-secondary);
+  display: flex; gap: 6px;
+}
+.tip-row b { color: var(--accent); min-width: 36px; font-weight: 600; }
+.tip-note {
+  font-style: normal; font-size: 11px; color: var(--text-dim);
+  margin-top: 4px; padding-top: 4px; border-top: 1px solid var(--border-light);
+}
+
 .crf-group { display: flex; align-items: center; gap: 10px; }
 .crf-value { font-size: 16px; font-weight: 700; color: var(--accent); min-width: 28px; }
 input[type="range"] { accent-color: var(--accent); height: auto; padding: 0; box-shadow: none; flex: 1; }
diff --git a/frontend/src/views/EncodePage.vue b/frontend/src/views/EncodePage.vue
index a563a64..72e9dec 100644
--- a/frontend/src/views/EncodePage.vue
+++ b/frontend/src/views/EncodePage.vue
@@ -56,6 +56,22 @@
               <option value="p6">P6</option>
               <option value="p7">P7 — 最慢（高画质）</option>
             </template>
+            <template v-else-if="isSvtAv1">
+              <option value="13">13 — 最快（低画质）</option>
+              <option value="12">12</option>
+              <option value="11">11</option>
+              <option value="10">10</option>
+              <option value="9">9</option>
+              <option value="8">8</option>
+              <option value="7">7 — 中等</option>
+              <option value="6">6</option>
+              <option value="5">5</option>
+              <option value="4">4</option>
+              <option value="3">3</option>
+              <option value="2">2</option>
+              <option value="1">1</option>
+              <option value="0">0 — 最慢（高画质）</option>
+            </template>
             <template v-else>
               <option value="ultrafast">ultrafast</option>
               <option value="superfast">superfast</option>
@@ -84,7 +100,22 @@
           </select>
         </div>
         <div class="field" v-if="rateControl === 'crf'">
-          <label class="field-label">CRF / CQ (越小质量越高)</label>
+          <label class="field-label">
+            CRF / CQ (越小质量越高)
+            <span class="tip-wrap">
+              <span class="tip-icon">?</span>
+              <span class="tip-popup">
+                <em class="tip-title">CRF / CQ 参考</em>
+                <span class="tip-row"><b>1–10</b> 视觉无损，文件极大</span>
+                <span class="tip-row"><b>15–17</b> 非常清晰</span>
+                <span class="tip-row"><b>18–20</b> 优秀（推荐）</span>
+                <span class="tip-row"><b>21–23</b> 良好（默认 23）</span>
+                <span class="tip-row"><b>24–28</b> 可接受，体积小</span>
+                <span class="tip-row"><b>30+</b> 明显损失</span>
+                <span class="tip-note">H.265/HEVC 同 CQ 约省 30–50% 体积</span>
+              </span>
+            </span>
+          </label>
           <div class="crf-group">
             <input type="range" min="1" max="51" v-model.number="encodeSettings.crf"
                    style="height:auto;padding:0;box-shadow:none;flex:1" />
@@ -251,6 +282,10 @@ const isHardwareCodec = computed(() => {
   const c = encodeSettings.value.videoCodec
   return c.includes('nvenc') || c.includes('qsv') || c.includes('amf')
 })
+const isSvtAv1 = computed(() => {
+  const c = encodeSettings.value.videoCodec
+  return c.includes('svtav1') || c === 'libsvtav1'
+})
 
 // When switching rate control mode, clear the unused field
 watch(rateControl, (mode) => {
@@ -312,8 +347,11 @@ watch(() => encodeSettings.value.videoCodec, (codec) => {
   } else if (codec.includes('amf')) {
     if (!encodeSettings.value.preset.startsWith('p')) encodeSettings.value.preset = 'p4'
     hwAccel.value = 'd3d11va'
+  } else if (codec.includes('svtav1') || codec === 'libsvtav1') {
+    // SVT-AV1 uses numeric presets 0–13, not named presets
+    if (!/^\d+$/.test(encodeSettings.value.preset)) encodeSettings.value.preset = '10'
   } else {
-    if (encodeSettings.value.preset.startsWith('p')) encodeSettings.value.preset = 'medium'
+    if (encodeSettings.value.preset.startsWith('p') || /^\d+$/.test(encodeSettings.value.preset)) encodeSettings.value.preset = 'medium'
     // For software encoders, keep hwaccel as-is (user's choice for decode only)
   }
 })
@@ -382,6 +420,39 @@ function resetForm() {
 }
 .stream-tag.dur { font-weight: 500; }
 
+/* Tooltip */
+.tip-wrap { position: relative; display: inline-flex; vertical-align: middle; }
+.tip-icon {
+  display: inline-flex; align-items: center; justify-content: center;
+  width: 15px; height: 15px; border-radius: 50%;
+  background: var(--text-dim); color: #fff;
+  font-size: 10px; font-weight: 700; cursor: help;
+  margin-left: 3px; opacity: 0.6; transition: opacity 0.15s;
+}
+.tip-wrap:hover .tip-icon { opacity: 1; }
+.tip-popup {
+  display: none; position: absolute; bottom: calc(100% + 8px); left: 50%;
+  transform: translateX(-50%); z-index: 50;
+  background: var(--bg-card); border: 1px solid var(--border);
+  border-radius: var(--radius-sm); padding: 10px 14px;
+  min-width: 260px; box-shadow: 0 4px 16px rgba(0,0,0,0.15);
+  flex-direction: column; gap: 4px; white-space: nowrap;
+}
+.tip-wrap:hover .tip-popup { display: flex; }
+.tip-title {
+  font-style: normal; font-size: 13px; color: var(--text-primary);
+  margin-bottom: 6px; font-weight: 600;
+}
+.tip-row {
+  font-style: normal; font-size: 11px; color: var(--text-secondary);
+  display: flex; gap: 6px;
+}
+.tip-row b { color: var(--accent); min-width: 36px; font-weight: 600; }
+.tip-note {
+  font-style: normal; font-size: 11px; color: var(--text-dim);
+  margin-top: 4px; padding-top: 4px; border-top: 1px solid var(--border-light);
+}
+
 .crf-group { display: flex; align-items: center; gap: 10px; }
 .crf-value { font-size: 16px; font-weight: 700; color: var(--accent); min-width: 28px; }
 .range-hint { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-dim); }
diff --git a/frontend/src/views/LogPage.vue b/frontend/src/views/LogPage.vue
index 47225b6..12cb2ad 100644
--- a/frontend/src/views/LogPage.vue
+++ b/frontend/src/views/LogPage.vue
@@ -21,7 +21,7 @@
     </div>
 
     <!-- Log content -->
-    <div v-if="activeTab" class="log-body" ref="logBody">
+    <div v-if="activeTab" class="log-body" ref="logBody" @scroll="onLogScroll">
       <div class="log-head">
         <span class="log-cmd">Command: ffmpeg {{ activeTask?.args?.join(' ') || '' }}</span>
         <button class="btn-ghost btn-sm" @click="copyLogs" :title="copied ? '已复制' : '复制日志'">
@@ -71,8 +71,20 @@ async function copyLogs() {
   } catch {}
 }
 
-// Auto-scroll on new lines
+// Auto-scroll: only when user is near the bottom
+let autoScroll = true
+function onLogScroll() {
+  const el = logBody.value
+  if (!el) return
+  // If user scrolled away from bottom (>50px), stop auto-following
+  autoScroll = el.scrollTop + el.clientHeight >= el.scrollHeight - 50
+}
+
+// Reset auto-scroll when switching tabs
+watch(activeTab, () => { autoScroll = true })
+
 watch(activeLogs, () => {
+  if (!autoScroll) return
   nextTick(() => {
     const el = logBody.value
     if (el) el.scrollTop = el.scrollHeight
@@ -116,17 +128,17 @@ function lineClass(line: string): string {
 
 // Exposed for App.vue to push log events
 function upsertTask(t: Partial<TaskInfo> & { id: string }) {
-  const existing = tasks.value.find(x => x.id === t.id)
-  if (existing) {
-    // Protect logs/args — they come via appendLog and the first task:updated
+  const idx = tasks.value.findIndex(x => x.id === t.id)
+  if (idx !== -1) {
+    const existing = tasks.value[idx]
+    // Replace to trigger reactivity; protect logs/args from being overwritten
     const keepLogs = existing.logs
     const keepArgs = existing.args
-    Object.assign(existing, t)
-    if (!t.logs || (Array.isArray(t.logs) && t.logs.length === 0)) {
-      existing.logs = keepLogs
-    }
-    if (!t.args || (Array.isArray(t.args) && t.args.length === 0)) {
-      existing.args = keepArgs
+    tasks.value[idx] = {
+      ...existing,
+      ...t,
+      logs: (!t.logs || t.logs.length === 0) ? keepLogs : t.logs,
+      args: (!t.args || t.args.length === 0) ? keepArgs : t.args,
     }
   } else {
     tasks.value.push({
@@ -144,14 +156,15 @@ function upsertTask(t: Partial<TaskInfo> & { id: string }) {
 }
 
 function appendLog(taskId: string, line: string) {
-  let t = tasks.value.find(x => x.id === taskId)
-  if (!t) {
-    // Log arrived before task:updated event — create entry now
-    t = { id: taskId, inputFile: '', type: '', status: 'running', args: [], logs: [] }
-    tasks.value.push(t)
+  const idx = tasks.value.findIndex(x => x.id === taskId)
+  if (idx === -1) {
+    tasks.value.push({ id: taskId, inputFile: '', type: '', status: 'running', args: [], logs: [line] })
     if (!activeTab.value) activeTab.value = taskId
+    return
   }
-  t.logs.push(line)
+  // Replace object to trigger shallow-ref reactivity
+  const t = tasks.value[idx]
+  tasks.value[idx] = { ...t, logs: [...t.logs, line] }
 }
 
 // Allow parent to call these
diff --git a/internal/ffmpeg/executor.go b/internal/ffmpeg/executor.go
index 0d5995f..dbdeb06 100644
--- a/internal/ffmpeg/executor.go
+++ b/internal/ffmpeg/executor.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"io"
 	"os/exec"
+	"strconv"
 	"strings"
 	"syscall"
 )
@@ -141,6 +142,24 @@ func escapeFilterPath(path string) string {
 	return s
 }
 
+// qualityArg maps a CRF-like quality value to encoder-specific arguments.
+// Software encoders use -crf, NVENC uses -cq, QSV uses -global_quality,
+// and AMF uses -qp_i/-qp_p for constant-quality encoding.
+func qualityArg(codec string, crf int) []string {
+	v := strconv.Itoa(crf)
+	lower := strings.ToLower(codec)
+	switch {
+	case strings.Contains(lower, "nvenc"):
+		return []string{"-cq", v}
+	case strings.Contains(lower, "qsv"):
+		return []string{"-global_quality", v}
+	case strings.Contains(lower, "amf"):
+		return []string{"-qp_i", v, "-qp_p", v}
+	default:
+		return []string{"-crf", v}
+	}
+}
+
 func tailLines(s string, n int) string {
 	lines := strings.Split(s, "\n")
 	if len(lines) > n {
@@ -197,11 +216,11 @@ func BuildEncodeArgs(input string, output string, s EncodeSettings, hwAccel stri
 
 	args = append(args, "-i", input)
 
-	if s.HWEncoder != "" {
-		args = append(args, "-c:v", s.HWEncoder)
-	} else {
-		args = append(args, "-c:v", s.VideoCodec)
+	codec := s.HWEncoder
+	if codec == "" {
+		codec = s.VideoCodec
 	}
+	args = append(args, "-c:v", codec)
 
 	if s.Preset != "" {
 		// libx* uses named presets (fast, medium…), HW encoders use p1–p7
@@ -209,7 +228,7 @@ func BuildEncodeArgs(input string, output string, s EncodeSettings, hwAccel stri
 	}
 
 	if s.CRF > 0 {
-		args = append(args, "-crf", fmt.Sprintf("%d", s.CRF))
+		args = append(args, qualityArg(codec, s.CRF)...)
 	} else if s.VideoBitrate != "" {
 		args = append(args, "-b:v", s.VideoBitrate)
 	}
@@ -327,16 +346,16 @@ func BuildSubtitleArgs(input string, output string, s SubtitleSettings, encode E
 		args = append(args, "-vf", strings.Join(subFilters, ","))
 	}
 
-	if encode.HWEncoder != "" {
-		args = append(args, "-c:v", encode.HWEncoder)
-	} else {
-		args = append(args, "-c:v", encode.VideoCodec)
+	codec := encode.HWEncoder
+	if codec == "" {
+		codec = encode.VideoCodec
 	}
+	args = append(args, "-c:v", codec)
 	if encode.Preset != "" {
 		args = append(args, "-preset", encode.Preset)
 	}
 	if encode.CRF > 0 {
-		args = append(args, "-crf", fmt.Sprintf("%d", encode.CRF))
+		args = append(args, qualityArg(codec, encode.CRF)...)
 	} else if encode.VideoBitrate != "" {
 		args = append(args, "-b:v", encode.VideoBitrate)
 	}
diff --git a/internal/ffmpeg/progress.go b/internal/ffmpeg/progress.go
index ab8b4cb..0f978e5 100644
--- a/internal/ffmpeg/progress.go
+++ b/internal/ffmpeg/progress.go
@@ -19,28 +19,59 @@ type Progress struct {
 	Percent float64 `json:"percent"`
 }
 
-var progressRe = regexp.MustCompile(
-	`frame=\s*(\d+)\s+fps=\s*([\d.]+)\s+q=\s*([\d.-]+)\s+(?:size=\s*(\S+)\s+)?time=\s*([\d:.]+)\s+bitrate=\s*(\S+)\s+speed=\s*(\S+)`,
-)
+// kvPairRe matches a single key=value token from an ffmpeg progress line.
+// Keys are alphanumeric (e.g. frame, dup, Lsize). Values are the contiguous
+// non-whitespace characters after the '=' — this handles N/A, kbits/s, times,
+// and numeric values equally.
+var kvPairRe = regexp.MustCompile(`(\w+)=\s*(\S+)`)
 
+// parseProgressLine parses an ffmpeg stderr progress line into a Progress struct.
+// Instead of relying on a fixed field order, it extracts every key=value pair
+// and picks the ones we care about. This tolerates extra fields (dup, drop,
+// Lsize vs size, etc.) that appear between standard ffmpeg releases.
 func parseProgressLine(line string) (Progress, bool) {
-	m := progressRe.FindStringSubmatch(line)
-	if m == nil {
+	pairs := kvPairRe.FindAllStringSubmatch(line, -1)
+	if len(pairs) == 0 {
 		return Progress{}, false
 	}
 
-	frame, _ := strconv.ParseInt(m[1], 10, 64)
-	fps, _ := strconv.ParseFloat(m[2], 64)
-	q, _ := strconv.ParseFloat(m[3], 64)
+	kv := make(map[string]string, len(pairs))
+	for _, m := range pairs {
+		kv[m[1]] = m[2]
+	}
+
+	// Frame is required — without it we don't have a real progress line.
+	frameStr, ok := kv["frame"]
+	if !ok {
+		return Progress{}, false
+	}
+
+	frame, _ := strconv.ParseInt(frameStr, 10, 64)
+	fps, _ := strconv.ParseFloat(kv["fps"], 64)
+	q, _ := strconv.ParseFloat(kv["q"], 64)
+
+	// ffmpeg emits either "size" or "Lsize" depending on context.
+	size := kv["size"]
+	if size == "" {
+		size = kv["Lsize"]
+	}
+	if size == "N/A" {
+		size = ""
+	}
+
+	bitrate := kv["bitrate"]
+	if bitrate == "N/A" {
+		bitrate = ""
+	}
 
 	return Progress{
 		Frame:   frame,
 		FPS:     fps,
 		Q:       q,
-		Size:    m[4],
-		Time:    m[5],
-		Bitrate: m[6],
-		Speed:   m[7],
+		Size:    size,
+		Time:    kv["time"],
+		Bitrate: bitrate,
+		Speed:   kv["speed"],
 	}, true
 }
 
diff --git a/internal/task/manager.go b/internal/task/manager.go
index 318f2e9..74fadda 100644
--- a/internal/task/manager.go
+++ b/internal/task/manager.go
@@ -203,7 +203,7 @@ func (m *Manager) runTask(t *Task) {
 			if sub.Source == "internal" {
 				tmpPath := t.OutputFile + fmt.Sprintf(".sub_%d_tmp.srt", i)
 				if _, err := m.exec.RunSync("-y", "-i", t.InputFile,
-					"-map", fmt.Sprintf("0:s:%d", sub.Index), "-c:s", "srt", tmpPath); err != nil {
+					"-map", fmt.Sprintf("0:%d", sub.Index), "-c:s", "srt", tmpPath); err != nil {
 					m.completeTask(t, false, fmt.Sprintf("提取字幕轨道 #%d 失败: %v", sub.Index, err))
 					return
 				}