diff --git a/backend/services/repository.js b/backend/services/repository.js
index e2ed921..9418159 100644
--- a/backend/services/repository.js
+++ b/backend/services/repository.js
@@ -740,18 +740,28 @@ class RepositoryService {
   // 删除作品
   async deleteArtwork(artworkId) {
     try {
-      const artwork = await this.findArtworkById(artworkId)
+      // 优化：直接通过文件系统查找，避免全仓库扫描
+      const artwork = await this.findArtworkByIdOptimized(artworkId)
       if (!artwork) {
         throw new Error('作品不存在')
       }
       
       await fs.rm(artwork.path, { recursive: true, force: true })
       
-      // 检查作者目录是否为空，如果为空则删除
+      // 优化：直接检查作者目录是否为空，避免重复扫描
       const artistDir = artwork.artistPath
-      const artistArtworks = await this.getArtworksByArtist(artwork.artist)
-      if (artistArtworks.artworks.length === 0) {
-        await fs.rmdir(artistDir)
+      try {
+        const artistEntries = await fs.readdir(artistDir, { withFileTypes: true })
+        const hasArtworks = artistEntries.some(entry => 
+          entry.isDirectory() && entry.name.match(/^\d+_/)
+        )
+        
+        if (!hasArtworks) {
+          await fs.rmdir(artistDir)
+        }
+      } catch (error) {
+        // 如果读取目录失败，可能目录已经不存在，忽略错误
+        logger.warn(`检查作者目录失败: ${error.message}`)
       }
       
       return { success: true, message: '作品删除成功' }
@@ -760,6 +770,59 @@ class RepositoryService {
     }
   }
 
+  // 优化的作品查找方法：直接通过文件系统查找，避免全仓库扫描
+  async findArtworkByIdOptimized(artworkId) {
+    try {
+      // 确保配置已加载
+      await this.loadConfig()
+      
+      // 使用当前配置的目录
+      const currentBaseDir = this.getCurrentBaseDir()
+      
+      // 扫描所有作者目录
+      const artistEntries = await fs.readdir(currentBaseDir, { withFileTypes: true })
+      
+      for (const artistEntry of artistEntries) {
+        if (!artistEntry.isDirectory()) continue
+        
+        // 跳过配置文件和隐藏文件
+        if (artistEntry.name.startsWith('.') || artistEntry.name === '.repository-config.json') {
+          continue
+        }
+        
+        const artistName = artistEntry.name
+        const artistPath = path.join(currentBaseDir, artistName)
+        
+        // 扫描作者下的作品目录
+        const artworkEntries = await fs.readdir(artistPath, { withFileTypes: true })
+        
+        for (const artworkEntry of artworkEntries) {
+          if (!artworkEntry.isDirectory()) continue
+          
+          // 检查是否是目标作品目录（包含数字ID）
+          const artworkMatch = artworkEntry.name.match(/^(\d+)_(.+)$/)
+          if (artworkMatch && artworkMatch[1] === artworkId.toString()) {
+            const artworkPath = path.join(artistPath, artworkEntry.name)
+            const title = artworkMatch[2]
+            
+            // 找到目标作品，返回基本信息（不需要扫描文件详情）
+            return {
+              id: artworkId,
+              title: title,
+              artist: artistName,
+              artistPath: artistPath,
+              path: artworkPath
+            }
+          }
+        }
+      }
+      
+      return null // 未找到作品
+    } catch (error) {
+      throw new Error(`查找作品失败: ${error.message}`)
+    }
+  }
+
   // 加载持久化缓存
   async loadPersistentCache() {
     try {
@@ -964,4 +1027,4 @@ class RepositoryService {
   }
 }
 
-module.exports = RepositoryService 
\ No newline at end of file
+module.exports = RepositoryService
\ No newline at end of file
diff --git a/ui/src/assets/theme.css b/ui/src/assets/theme.css
index f78f9ae..413f78d 100644
--- a/ui/src/assets/theme.css
+++ b/ui/src/assets/theme.css
@@ -26,8 +26,9 @@
   --color-warning-light: #fef3c7;
   --color-danger: #ef4444;
   --color-danger-light: #fee2e2;
-  --color-info: #06b6d4;
-  --color-info-light: #cffafe;
+  --color-danger-dark: #dc2626;
+  --color-info: #0284c7;
+  --color-info-light: #e0f2fe;
   
   /* 阴影 */
   --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
@@ -130,4 +131,366 @@
 .btn-enhanced:active {
   transform: translateY(0);
   box-shadow: var(--shadow-sm);
+}
+
+/* 通用按钮样式 */
+.btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: var(--spacing-md) var(--spacing-xl);
+  border-radius: var(--radius-md);
+  font-weight: 600;
+  text-decoration: none;
+  transition: all var(--transition-normal);
+  border: none;
+  cursor: pointer;
+  font-size: 1rem;
+  line-height: 1;
+}
+
+.btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+.btn-sm {
+  padding: var(--spacing-sm) var(--spacing-lg);
+  font-size: 0.875rem;
+}
+
+.btn-lg {
+  padding: var(--spacing-lg) var(--spacing-2xl);
+  font-size: 1.125rem;
+}
+
+.btn-primary {
+  background: var(--color-primary);
+  color: white;
+}
+
+.btn-primary:hover:not(:disabled) {
+  background: var(--color-primary-dark);
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-md);
+}
+
+.btn-secondary {
+  background: var(--color-bg-tertiary);
+  color: var(--color-text-primary);
+  border: 1px solid var(--color-border);
+}
+
+.btn-secondary:hover:not(:disabled) {
+  background: var(--color-bg-secondary);
+  border-color: var(--color-border-hover);
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-sm);
+}
+
+.btn-warning {
+  background: var(--color-warning-light);
+  color: var(--color-warning);
+  border: 1px solid var(--color-warning);
+}
+
+.btn-warning:hover:not(:disabled) {
+  background: var(--color-warning);
+  color: white;
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-md);
+}
+
+.btn-danger {
+  background: var(--color-danger-light);
+  color: var(--color-danger);
+  border: 1px solid var(--color-danger);
+}
+
+.btn-danger:hover:not(:disabled) {
+  background: var(--color-danger);
+  color: white;
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-md);
+}
+
+.btn-text {
+  background: none;
+  color: var(--color-primary);
+  padding: var(--spacing-sm) var(--spacing-lg);
+}
+
+.btn-text:hover:not(:disabled) {
+  background: var(--color-bg-tertiary);
+}
+
+/* 卡片容器样式 */
+.card {
+  background: var(--color-bg-primary);
+  border-radius: var(--radius-xl);
+  padding: var(--spacing-2xl);
+  box-shadow: var(--shadow-md);
+  border: 1px solid var(--color-border);
+}
+
+.card-sm {
+  padding: var(--spacing-xl);
+  border-radius: var(--radius-lg);
+  box-shadow: var(--shadow-sm);
+}
+
+.card-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: var(--spacing-xl);
+}
+
+.card-title {
+  font-size: 1.5rem;
+  font-weight: 600;
+  color: var(--color-text-primary);
+  margin: 0;
+}
+
+.card-title-sm {
+  font-size: 1.25rem;
+}
+
+.card-actions {
+  display: flex;
+  gap: var(--spacing-md);
+}
+
+/* 网格布局 */
+.grid {
+  display: grid;
+  gap: var(--spacing-2xl);
+}
+
+.grid-auto-fit {
+  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+}
+
+.grid-auto-fill {
+  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+}
+
+.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
+.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
+.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
+.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
+
+/* 状态指示器 */
+.status-indicator {
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-sm);
+  padding: var(--spacing-md) var(--spacing-lg);
+  border-radius: var(--radius-lg);
+  font-size: 0.875rem;
+  font-weight: 500;
+}
+
+.status-success {
+  background: var(--color-success-light);
+  color: var(--color-success);
+  border: 1px solid var(--color-success);
+}
+
+.status-warning {
+  background: var(--color-warning-light);
+  color: var(--color-warning);
+  border: 1px solid var(--color-warning);
+}
+
+.status-danger {
+  background: var(--color-danger-light);
+  color: var(--color-danger);
+  border: 1px solid var(--color-danger);
+}
+
+.status-info {
+  background: var(--color-info-light);
+  color: var(--color-info);
+  border: 1px solid var(--color-info);
+}
+
+/* 进度条 */
+.progress-bar {
+  flex: 1;
+  height: 0.5rem;
+  background: var(--color-bg-tertiary);
+  border-radius: var(--radius-sm);
+  overflow: hidden;
+}
+
+.progress-fill {
+  height: 100%;
+  background: var(--color-success);
+  transition: width 0.3s ease;
+}
+
+.progress-fill.progress-warning {
+  background: var(--color-warning);
+}
+
+.progress-fill.progress-danger {
+  background: var(--color-danger);
+}
+
+/* 统计项 */
+.stat-item {
+  background: var(--color-bg-secondary);
+  padding: var(--spacing-lg);
+  border-radius: var(--radius-md);
+  border: 1px solid var(--color-border);
+}
+
+.stat-label {
+  font-size: 0.875rem;
+  color: var(--color-text-secondary);
+  margin-bottom: var(--spacing-sm);
+  font-weight: 500;
+}
+
+.stat-value {
+  font-size: 1.125rem;
+  font-weight: 600;
+  color: var(--color-text-primary);
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-sm);
+}
+
+/* 标签样式 */
+.tag {
+  background: var(--color-bg-tertiary);
+  color: var(--color-text-primary);
+  padding: var(--spacing-xs) var(--spacing-md);
+  border-radius: var(--radius-xl);
+  font-size: 0.875rem;
+  line-height: 1;
+  border: 1px solid var(--color-border);
+  cursor: pointer;
+  transition: all var(--transition-normal);
+}
+
+.tag-clickable {
+  background: var(--color-info-light);
+  color: var(--color-info);
+  border-color: var(--color-info);
+}
+
+.tag-clickable:hover {
+  background: var(--color-info);
+  color: white;
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-sm);
+}
+
+.tag-selected {
+  background: var(--color-primary) !important;
+  color: white !important;
+  border-color: var(--color-primary-dark) !important;
+  transform: translateY(-1px);
+  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
+}
+
+/* 切换开关 */
+.toggle-switch {
+  position: relative;
+  width: 28px;
+  height: 14px;
+}
+
+.toggle-switch input {
+  opacity: 0;
+  width: 0;
+  height: 0;
+}
+
+.toggle-slider {
+  position: absolute;
+  cursor: pointer;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: var(--color-border);
+  transition: var(--transition-normal);
+  border-radius: 14px;
+}
+
+.toggle-slider:before {
+  position: absolute;
+  content: "";
+  height: 10px;
+  width: 10px;
+  left: 2px;
+  bottom: 2px;
+  border-radius: 50%;
+  background-color: white;
+  transition: var(--transition-normal);
+}
+
+.toggle-switch input:checked + .toggle-slider {
+  background-color: var(--color-primary);
+}
+
+.toggle-switch input:focus + .toggle-slider {
+  box-shadow: 0 0 1px var(--color-primary);
+}
+
+.toggle-switch input:checked + .toggle-slider:before {
+  transform: translateX(14px);
+}
+
+/* 加载状态 */
+.loading {
+  text-align: center;
+  color: var(--color-text-secondary);
+  padding: var(--spacing-2xl);
+}
+
+.error-message {
+  background: var(--color-danger-light);
+  color: var(--color-danger-dark);
+  padding: var(--spacing-md);
+  border-radius: var(--radius-md);
+  margin-bottom: var(--spacing-lg);
+  border: 1px solid var(--color-danger);
+}
+
+/* 响应式工具类 */
+@media (max-width: 768px) {
+  .mobile-stack {
+    flex-direction: column !important;
+  }
+  
+  .mobile-full {
+    width: 100% !important;
+  }
+  
+  .mobile-hide {
+    display: none !important;
+  }
+  
+  .grid-auto-fill {
+    grid-template-columns: 1fr;
+  }
+  
+  .card {
+    padding: var(--spacing-xl);
+  }
+  
+  .card-header {
+    flex-direction: column;
+    gap: var(--spacing-lg);
+    align-items: stretch;
+  }
+  
+  .card-actions {
+    flex-direction: column;
+  }
 }
\ No newline at end of file
diff --git a/ui/src/components/artist/ArtistCard.vue b/ui/src/components/artist/ArtistCard.vue
index 10600c8..1297e6c 100644
--- a/ui/src/components/artist/ArtistCard.vue
+++ b/ui/src/components/artist/ArtistCard.vue
@@ -82,7 +82,7 @@ const getImageUrl = getImageProxyUrl
 
 <style scoped>
 .artist-card {
-  background: white;
+  background: var(--color-bg-primary);
   border-radius: 1rem;
   padding: 1.5rem;
   box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
@@ -122,7 +122,7 @@ const getImageUrl = getImageProxyUrl
 .artist-name {
   font-size: 1.25rem;
   font-weight: 600;
-  color: #1f2937;
+  color: var(--color-text-primary);
   margin: 0 0 0.5rem 0;
   white-space: nowrap;
   overflow: hidden;
@@ -130,7 +130,7 @@ const getImageUrl = getImageProxyUrl
 }
 
 .artist-account {
-  color: #6b7280;
+  color: var(--color-text-secondary);
   font-size: 0.875rem;
   margin: 0;
   white-space: nowrap;
@@ -170,31 +170,31 @@ const getImageUrl = getImageProxyUrl
 }
 
 .btn-primary {
-  background: #3b82f6;
-  color: white;
+  background: var(--color-primary);
+  color: var(--color-bg-primary);
 }
 
 .btn-primary:hover:not(:disabled) {
-  background: #2563eb;
+  background: var(--color-primary-dark);
 }
 
 .btn-secondary {
-  background: #f3f4f6;
-  color: #374151;
-  border: 1px solid #d1d5db;
+  background: var(--color-bg-secondary);
+  color: var(--color-text-primary);
+  border: 1px solid var(--color-border);
 }
 
 .btn-secondary:hover:not(:disabled) {
-  background: #e5e7eb;
+  background: var(--color-bg-tertiary);
 }
 
 .btn-danger {
-  background: #ef4444;
-  color: white;
+  background: var(--color-danger);
+  color: var(--color-bg-primary);
 }
 
 .btn-danger:hover {
-  background: #dc2626;
+  background: var(--color-danger-dark);
 }
 
 .btn-small {
diff --git a/ui/src/components/artwork/ArtworkCard.vue b/ui/src/components/artwork/ArtworkCard.vue
index 7b77568..ade5669 100644
--- a/ui/src/components/artwork/ArtworkCard.vue
+++ b/ui/src/components/artwork/ArtworkCard.vue
@@ -77,23 +77,23 @@ const getImageUrl = getImageProxyUrl;
 
 <style scoped>
 .artwork-card {
-  background: white;
-  border-radius: 0.75rem;
+  background: var(--color-bg-primary);
+  border-radius: var(--radius-xl);
   overflow: hidden;
-  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
-  transition: transform 0.2s, box-shadow 0.2s;
+  box-shadow: var(--shadow-md);
+  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
   cursor: pointer;
 }
 
 .artwork-card:hover {
   transform: translateY(-2px);
-  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
+  box-shadow: var(--shadow-lg);
 }
 
 .artwork-image {
   position: relative;
   aspect-ratio: 1;
-  background: #f3f4f6;
+  background: var(--color-bg-tertiary);
   overflow: hidden;
 }
 
@@ -123,11 +123,11 @@ const getImageUrl = getImageProxyUrl;
   display: flex;
   align-items: center;
   justify-content: center;
-  background: #f3f4f6;
+  background: var(--color-bg-tertiary);
 }
 
 .image-error {
-  color: #6b7280;
+  color: var(--color-text-secondary);
   font-size: 0.875rem;
 }
 
@@ -167,7 +167,7 @@ const getImageUrl = getImageProxyUrl;
 
 .artist-name {
   font-size: 0.875rem;
-  color: #6b7280;
+  color: var(--color-text-secondary);
   font-weight: 500;
 }
 
@@ -181,7 +181,7 @@ const getImageUrl = getImageProxyUrl;
   align-items: center;
   gap: 0.25rem;
   font-size: 0.75rem;
-  color: #6b7280;
+  color: var(--color-text-secondary);
 }
 
 .stat svg {
@@ -196,19 +196,19 @@ const getImageUrl = getImageProxyUrl;
 }
 
 .tag {
-  background: #f3f4f6;
-  color: #374151;
+  background: var(--color-bg-tertiary);
+  color: var(--color-text-primary);
   padding: 0.125rem 0.5rem;
-  border-radius: 0.25rem;
+  border-radius: var(--radius-sm);
   font-size: 0.75rem;
   line-height: 1;
 }
 
 .tag-more {
-  background: #e5e7eb;
-  color: #6b7280;
+  background: var(--color-border-hover);
+  color: var(--color-text-secondary);
   padding: 0.125rem 0.5rem;
-  border-radius: 0.25rem;
+  border-radius: var(--radius-sm);
   font-size: 0.75rem;
   line-height: 1;
 }
diff --git a/ui/src/components/artwork/ArtworkGallery.vue b/ui/src/components/artwork/ArtworkGallery.vue
index af21ecb..24dc9db 100644
--- a/ui/src/components/artwork/ArtworkGallery.vue
+++ b/ui/src/components/artwork/ArtworkGallery.vue
@@ -163,16 +163,16 @@ onUnmounted(() => {
 
 <style scoped>
 .artwork-gallery {
-  background: white;
-  border-radius: 1rem;
+  background: var(--color-bg-primary);
+  border-radius: var(--radius-xl);
   overflow: hidden;
-  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+  box-shadow: var(--shadow-md);
 }
 
 .main-image {
   position: relative;
   aspect-ratio: 1;
-  background: #f3f4f6;
+  background: var(--color-bg-tertiary);
   overflow: hidden;
 }
 
@@ -202,11 +202,11 @@ onUnmounted(() => {
   display: flex;
   align-items: center;
   justify-content: center;
-  background: #f3f4f6;
+  background: var(--color-bg-tertiary);
 }
 
 .image-error {
-  color: #6b7280;
+  color: var(--color-text-secondary);
   font-size: 0.875rem;
 }
 
@@ -236,16 +236,16 @@ onUnmounted(() => {
   width: 60px;
   height: 60px;
   border: 2px solid transparent;
-  border-radius: 0.5rem;
+  border-radius: var(--radius-md);
   overflow: hidden;
   cursor: pointer;
-  transition: border-color 0.2s;
+  transition: border-color var(--transition-normal);
   background: none;
   padding: 0;
 }
 
 .thumbnail.active {
-  border-color: #3b82f6;
+  border-color: var(--color-primary);
 }
 
 .thumbnail img {
@@ -257,14 +257,14 @@ onUnmounted(() => {
 .thumbnail-placeholder {
   width: 100%;
   height: 100%;
-  background: #f3f4f6;
+  background: var(--color-bg-tertiary);
   display: flex;
   align-items: center;
   justify-content: center;
 }
 
 .placeholder-content {
-  color: #9ca3af;
+  color: var(--color-text-tertiary);
   font-size: 0.75rem;
   font-weight: 500;
 }
diff --git a/ui/src/components/artwork/ArtworkInfoPanel.vue b/ui/src/components/artwork/ArtworkInfoPanel.vue
index 993c6d6..baa8651 100644
--- a/ui/src/components/artwork/ArtworkInfoPanel.vue
+++ b/ui/src/components/artwork/ArtworkInfoPanel.vue
@@ -1,32 +1,39 @@
 <template>
     <div class="artwork-info">
         <div class="artwork-header">
-            <h1 class="artwork-title">{{ artwork.title }}</h1>
-            <!-- 下载按钮 -->
-            <div class="artwork-actions">
-                <button @click="$emit('download')" :disabled="downloading || !artwork" class="btn btn-primary"
-                    :title="downloading ? '正在下载中...' : (isDownloaded ? '重新下载作品 (快捷键: ↓)' : '下载作品到本地 (快捷键: ↓)')">
-                    <span v-if="downloading">下载中...</span>
-                    <span v-else-if="isDownloaded">重新下载</span>
-                    <span v-else>下载</span>
-                </button>
-                <button @click="$emit('bookmark')" class="btn btn-secondary"
-                    :title="artwork.is_bookmarked ? '取消收藏此作品' : '收藏此作品'">
-                    {{ artwork.is_bookmarked ? '取消收藏' : '收藏' }}
-                </button>
-            </div>
-        </div>
-
-        <!-- 下载状态和进度区域 -->
-        <div class="download-section">
-            <!-- 下载状态提示 -->
-            <div v-if="isDownloaded && !currentTask" class="download-status">
-                <div class="status-indicator">
-                    <SvgIcon name="check-circle" class="status-icon" />
-                    <span>已下载到本地</span>
+            <div class="title-section">
+                <h1 class="artwork-title">{{ artwork.title }}</h1>
+                <!-- 下载状态角标 -->
+                <div v-if="isDownloaded && !currentTask" class="download-badge" title="已下载到本地">
+                    <SvgIcon name="check-circle" class="badge-icon" />
                 </div>
             </div>
+        </div>
+        
+        <!-- 按钮操作区域 - 单独的第二行 -->
+        <div class="artwork-actions">
+            <!-- 下载按钮 -->
+            <button @click="$emit('download')" :disabled="downloading || !artwork" class="btn btn-primary"
+                :title="downloading ? '正在下载中...' : (isDownloaded ? '重新下载作品 (快捷键: ↓)' : '下载作品到本地 (快捷键: ↓)')">
+                <span v-if="downloading">下载中...</span>
+                <span v-else-if="isDownloaded">重新下载</span>
+                <span v-else>下载</span>
+            </button>
+            <!-- 收藏功能暂时不可用，已注释 -->
+            <!-- <button @click="$emit('bookmark')" class="btn btn-secondary"
+                :title="artwork.is_bookmarked ? '取消收藏此作品' : '收藏此作品'">
+                {{ artwork.is_bookmarked ? '取消收藏' : '收藏' }}
+            </button> -->
+            <!-- 删除按钮：只有已下载的作品才显示 -->
+            <button v-if="isDownloaded" @click="$emit('delete')" :disabled="deleting" class="btn btn-danger"
+                :title="deleting ? '正在删除中...' : '删除此作品 (不可恢复)'">
+                <span v-if="deleting">删除中...</span>
+                <span v-else>删除作品</span>
+            </button>
+        </div>
 
+        <!-- 下载进度区域 -->
+        <div class="download-section">
             <!-- 下载进度 -->
             <DownloadProgress v-if="currentTask" :task="currentTask" :loading="downloading"
                 @update="$emit('updateTask', $event)" @remove="$emit('removeTask', $event)" />
@@ -148,6 +155,7 @@ const router = useRouter();
 interface Props {
     artwork: Artwork;
     downloading: boolean;
+    deleting?: boolean; // 新增删除中状态
     isDownloaded: boolean;
     currentTask: DownloadTask | null;
     loading: boolean;
@@ -162,12 +170,14 @@ interface Props {
 }
 
 const props = withDefaults(defineProps<Props>(), {
-    showCaption: false
+    showCaption: false,
+    deleting: false
 });
 
 const emit = defineEmits<{
     download: [];
-    bookmark: [];
+    // bookmark: []; // 收藏功能暂时不可用，已注释
+    delete: []; // 新增删除事件
     updateTask: [task: DownloadTask];
     removeTask: [taskId: string];
     goBack: [];
@@ -230,89 +240,82 @@ const handleCaptionToggleChange = (event: Event) => {
 
 <style scoped>
 .artwork-info {
-    background: white;
-    border-radius: 1rem;
-    padding: 2rem;
-    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+    background: var(--color-bg-primary);
+    border-radius: var(--radius-xl);
+    padding: var(--spacing-2xl);
+    box-shadow: var(--shadow-md);
+    border: 1px solid var(--color-border);
 }
 
 .artwork-header {
-    margin-bottom: 1.5rem;
+    display: flex;
+    justify-content: flex-start;
+    align-items: center;
+    margin-bottom: var(--spacing-lg);
 }
 
-.download-section {
-    margin-bottom: 2rem;
+.title-section {
+    display: flex;
+    align-items: center;
+    gap: var(--spacing-sm);
+    flex: 1;
 }
 
 .artwork-title {
-    font-size: 1.75rem;
-    font-weight: 700;
-    color: #1f2937;
-    margin: 0 0 1rem 0;
+    margin: 0;
+    font-size: 1.5rem;
+    font-weight: 600;
+    color: var(--color-text-primary);
     line-height: 1.3;
+    max-width: 420px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.download-badge {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    width: 20px;
+    height: 20px;
+    background: var(--color-success-light);
+    border: 1px solid var(--color-success);
+    border-radius: 50%;
+    flex-shrink: 0;
+    cursor: help;
+}
+
+.badge-icon {
+    width: 12px;
+    height: 12px;
+    color: var(--color-success);
+}
+
+.download-section {
+    margin-bottom: var(--spacing-2xl);
 }
 
 .artwork-actions {
     display: flex;
-    gap: 1rem;
+    gap: var(--spacing-lg);
+    margin-bottom: var(--spacing-xl);
+    padding-top: var(--spacing-sm);
 }
 
-.btn {
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-    padding: 0.75rem 1.5rem;
-    border-radius: 0.5rem;
-    font-weight: 600;
-    text-decoration: none;
-    transition: all 0.2s;
-    border: none;
-    cursor: pointer;
-    font-size: 1rem;
-}
-
-.btn:disabled {
-    opacity: 0.6;
-    cursor: not-allowed;
-}
-
-.btn-primary {
-    background: #3b82f6;
-    color: white;
-}
-
-.btn-primary:hover:not(:disabled) {
-    background: #2563eb;
-}
-
-.btn-secondary {
-    background: #f3f4f6;
-    color: #374151;
-    border: 1px solid #d1d5db;
-}
-
-.btn-secondary:hover {
-    background: #e5e7eb;
-}
-
-.btn-text {
-    background: none;
-    color: #3b82f6;
-    padding: 0.5rem 1rem;
-}
-
-.btn-text:hover {
-    background: #f3f4f6;
+.artwork-actions .btn {
+    min-width: 120px;
+    white-space: nowrap;
 }
 
 .artist-info {
     display: flex;
     align-items: center;
-    gap: 1rem;
-    padding: 1.5rem;
-    background: #f8fafc;
-    border-radius: 0.75rem;
-    margin-bottom: 1.5rem;
+    gap: var(--spacing-lg);
+    padding: var(--spacing-xl);
+    background: var(--color-bg-secondary);
+    border-radius: var(--radius-lg);
+    margin-bottom: var(--spacing-xl);
 }
 
 .artist-avatar {
@@ -329,27 +332,27 @@ const handleCaptionToggleChange = (event: Event) => {
 .artist-name {
     font-size: 1.125rem;
     font-weight: 600;
-    color: #1f2937;
-    margin: 0 0 0.25rem 0;
+    color: var(--color-text-primary);
+    margin: 0 0 var(--spacing-xs) 0;
 }
 
 .artist-account {
-    color: #6b7280;
+    color: var(--color-text-secondary);
     margin: 0;
     font-size: 0.875rem;
 }
 
 .artwork-stats {
     display: flex;
-    gap: 2rem;
-    margin-bottom: 2rem;
+    gap: var(--spacing-2xl);
+    margin-bottom: var(--spacing-2xl);
 }
 
 .stat {
     display: flex;
     align-items: center;
-    gap: 0.5rem;
-    color: #6b7280;
+    gap: var(--spacing-sm);
+    color: var(--color-text-secondary);
     font-size: 0.875rem;
 }
 
@@ -359,92 +362,54 @@ const handleCaptionToggleChange = (event: Event) => {
 }
 
 .artwork-tags {
-    margin-bottom: 2rem;
+    margin-bottom: var(--spacing-2xl);
 }
 
 .artwork-tags h3 {
     font-size: 1.125rem;
     font-weight: 600;
-    color: #1f2937;
-    margin: 0 0 1rem 0;
+    color: var(--color-text-primary);
+    margin: 0 0 var(--spacing-lg) 0;
 }
 
 .tags-list {
     display: flex;
     flex-wrap: wrap;
-    gap: 0.5rem;
-}
-
-.tag {
-    background: #f3f4f6;
-    color: #374151;
-    padding: 0.25rem 0.75rem;
-    border-radius: 1rem;
-    font-size: 0.875rem;
-    line-height: 1;
-    border: none;
-    cursor: pointer;
-    transition: all 0.2s;
-}
-
-.tag-clickable {
-    background: #e0f2fe;
-    color: #0369a1;
-    border: 1px solid #bae6fd;
-}
-
-.tag-clickable:hover {
-    background: #bae6fd;
-    color: #075985;
-    transform: translateY(-1px);
-    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
-}
-
-.tag-selected {
-    background: #3b82f6 !important;
-    color: white !important;
-    border-color: #2563eb !important;
-    transform: translateY(-1px);
-    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
-}
-
-.tag-selected:hover {
-    background: #2563eb !important;
-    color: white !important;
+    gap: var(--spacing-sm);
 }
 
 .artwork-description {
-    margin-bottom: 2rem;
+    margin-bottom: var(--spacing-2xl);
 }
 
 .artwork-description h3 {
     font-size: 1.125rem;
     font-weight: 600;
-    color: #1f2937;
-    margin: 0 0 1rem 0;
+    color: var(--color-text-primary);
+    margin: 0 0 var(--spacing-lg) 0;
 }
 
 .description-content {
-    color: #374151;
+    color: var(--color-text-primary);
     line-height: 1.6;
 }
 
 .artwork-caption {
-    margin-bottom: 1.5rem;
+    margin-bottom: var(--spacing-xl);
 }
 
 .caption-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
-    margin-bottom: 0.75rem;
-    padding: 0.5rem 0;
+    margin-bottom: var(--spacing-md);
+    padding: var(--spacing-sm) 0;
 }
 
 .caption-header h3 {
     font-size: 1rem;
     font-weight: 500;
-    color: #6b7280;
+    color: var(--color-text-secondary);
     margin: 0;
 }
 
@@ -467,8 +432,8 @@ const handleCaptionToggleChange = (event: Event) => {
     left: 0;
     right: 0;
     bottom: 0;
-    background-color: #d1d5db;
-    transition: .2s;
+    background-color: var(--color-border-hover);
+    transition: var(--transition-normal);
     border-radius: 12px;
 }
 
@@ -481,15 +446,15 @@ const handleCaptionToggleChange = (event: Event) => {
     bottom: 2px;
     border-radius: 50%;
     background-color: white;
-    transition: .2s;
+    transition: var(--transition-normal);
 }
 
 .caption-toggle input:checked+.caption-slider {
-    background-color: #3b82f6;
+    background-color: var(--color-primary);
 }
 
 .caption-toggle input:focus+.caption-slider {
-    box-shadow: 0 0 1px #3b82f6;
+    box-shadow: 0 0 1px var(--color-primary);
 }
 
 .caption-toggle input:checked+.caption-slider:before {
@@ -497,28 +462,27 @@ const handleCaptionToggleChange = (event: Event) => {
 }
 
 .caption-content {
-    background: #f8fafc;
-    border: 1px solid #e5e7eb;
-    border-radius: 0.5rem;
-    padding: 0.75rem 1rem;
-    color: #4b5563;
+    background: var(--color-bg-secondary);
+    border: 1px solid var(--color-border);
+    border-radius: var(--radius-md);
+    padding: var(--spacing-md) var(--spacing-lg);
+    color: var(--color-text-secondary);
     font-size: 0.8rem;
     line-height: 1.5;
     max-height: 120px;
     overflow-y: auto;
     white-space: pre-wrap;
-    /* Preserve line breaks in caption */
 }
 
 .artwork-meta {
-    padding-top: 1.5rem;
-    border-top: 1px solid #e5e7eb;
-    color: #6b7280;
+    padding-top: var(--spacing-xl);
+    border-top: 1px solid var(--color-border);
+    color: var(--color-text-secondary);
     font-size: 0.875rem;
     display: flex;
     justify-content: space-between;
     align-items: center;
-    gap: 1rem;
+    gap: var(--spacing-lg);
 }
 
 .meta-content {
@@ -528,7 +492,7 @@ const handleCaptionToggleChange = (event: Event) => {
 .meta-item {
     display: flex;
     align-items: center;
-    margin-bottom: 0.5rem;
+    margin-bottom: var(--spacing-sm);
 }
 
 .meta-item:last-child {
@@ -537,42 +501,42 @@ const handleCaptionToggleChange = (event: Event) => {
 
 .meta-label {
     font-weight: 500;
-    color: #374151;
+    color: var(--color-text-primary);
     min-width: 80px;
-    margin-right: 0.5rem;
+    margin-right: var(--spacing-sm);
 }
 
 .meta-value {
-    color: #6b7280;
+    color: var(--color-text-secondary);
 }
 
 .artwork-navigation {
     display: flex;
-    gap: 1rem;
-    margin-bottom: 2rem;
-    padding: 1rem;
-    background: #f8fafc;
-    border-radius: 0.75rem;
+    gap: var(--spacing-lg);
+    margin-bottom: var(--spacing-2xl);
+    padding: var(--spacing-lg);
+    background: var(--color-bg-secondary);
+    border-radius: var(--radius-lg);
 }
 
 .nav-btn {
     display: flex;
     align-items: center;
-    gap: 0.5rem;
-    padding: 0.75rem 1rem;
-    border: 1px solid #d1d5db;
-    border-radius: 0.5rem;
-    background: white;
-    color: #374151;
+    gap: var(--spacing-sm);
+    padding: var(--spacing-md) var(--spacing-lg);
+    border: 1px solid var(--color-border);
+    border-radius: var(--radius-md);
+    background: var(--color-bg-primary);
+    color: var(--color-text-primary);
     font-weight: 500;
     cursor: pointer;
-    transition: all 0.2s;
+    transition: all var(--transition-normal);
     justify-content: center;
 }
 
 .nav-btn:hover:not(:disabled) {
-    background: #f3f4f6;
-    border-color: #9ca3af;
+    background: var(--color-bg-tertiary);
+    border-color: var(--color-border-hover);
 }
 
 .nav-btn:disabled {
@@ -589,7 +553,7 @@ const handleCaptionToggleChange = (event: Event) => {
     right: 0;
     bottom: 0;
     background: rgba(255, 255, 255, 0.8);
-    border-radius: 0.5rem;
+    border-radius: var(--radius-md);
     z-index: 1;
 }
 
@@ -602,12 +566,12 @@ const handleCaptionToggleChange = (event: Event) => {
     flex: 0 0 auto;
     min-width: 100px;
     justify-content: center;
-    background: #f3f4f6;
-    border-color: #9ca3af;
+    background: var(--color-bg-tertiary);
+    border-color: var(--color-border-hover);
 }
 
 .nav-back:hover {
-    background: #e5e7eb;
+    background: var(--color-bg-secondary);
 }
 
 .nav-prev,
@@ -624,54 +588,29 @@ const handleCaptionToggleChange = (event: Event) => {
     justify-content: flex-end;
 }
 
-.download-status {
-    padding: 1rem 1.25rem;
-    background: #f0f9ff;
-    border: 1px solid #bae6fd;
-    border-radius: 0.75rem;
-    display: flex;
-    align-items: center;
-    gap: 0.5rem;
-    color: #0369a1;
-    font-size: 0.875rem;
-    font-weight: 500;
-}
-
-.status-indicator {
-    display: flex;
-    align-items: center;
-    gap: 0.5rem;
-}
-
-.status-icon {
-    width: 1.25rem;
-    height: 1.25rem;
-    color: #059669;
-}
-
 .toggle-container {
     display: flex;
     align-items: center;
-    gap: 0.5rem;
-    background: #f8fafc;
-    border: 1px solid #e5e7eb;
-    border-radius: 1rem;
-    padding: 0.25rem 0.5rem;
+    gap: var(--spacing-sm);
+    background: var(--color-bg-secondary);
+    border: 1px solid var(--color-border);
+    border-radius: var(--radius-xl);
+    padding: var(--spacing-xs) var(--spacing-sm);
     width: fit-content;
-    transition: all 0.2s ease;
+    transition: all var(--transition-normal);
     flex-shrink: 0;
     height: 1.5rem;
 }
 
 .toggle-container:hover {
-    background: #f1f5f9;
-    border-color: #cbd5e1;
+    background: var(--color-bg-tertiary);
+    border-color: var(--color-border-hover);
 }
 
 .toggle-label {
     font-size: 0.875rem;
     font-weight: 500;
-    color: #6b7280;
+    color: var(--color-text-secondary);
     line-height: 1;
 }
 
@@ -694,8 +633,8 @@ const handleCaptionToggleChange = (event: Event) => {
     left: 0;
     right: 0;
     bottom: 0;
-    background-color: #e5e7eb;
-    transition: .3s;
+    background-color: var(--color-border);
+    transition: var(--transition-slow);
     border-radius: 14px;
 }
 
@@ -708,15 +647,15 @@ const handleCaptionToggleChange = (event: Event) => {
     bottom: 2px;
     border-radius: 50%;
     background-color: white;
-    transition: .3s;
+    transition: var(--transition-slow);
 }
 
 input:checked+.slider {
-    background-color: #3b82f6;
+    background-color: var(--color-primary);
 }
 
 input:focus+.slider {
-    box-shadow: 0 0 1px #3b82f6;
+    box-shadow: 0 0 1px var(--color-primary);
 }
 
 input:checked+.slider:before {
@@ -725,9 +664,9 @@ input:checked+.slider:before {
 
 .keyboard-hint {
     font-size: 0.75rem;
-    color: #9ca3af;
+    color: var(--color-text-tertiary);
     font-weight: 400;
-    margin-left: 0.25rem;
+    margin-left: var(--spacing-xs);
     opacity: 0.8;
 }
 
@@ -736,18 +675,14 @@ input:checked+.slider:before {
         flex-direction: column;
     }
 
-    .btn {
-        width: 100%;
-    }
-
     .artwork-stats {
         flex-direction: column;
-        gap: 1rem;
+        gap: var(--spacing-lg);
     }
 
     .artwork-navigation {
         flex-direction: column;
-        gap: 0.75rem;
+        gap: var(--spacing-md);
     }
 
     .nav-back {
@@ -763,7 +698,7 @@ input:checked+.slider:before {
 
     .artwork-meta {
         flex-direction: column;
-        gap: 1rem;
+        gap: var(--spacing-lg);
     }
 
     .toggle-container {
diff --git a/ui/src/components/artwork/ArtworkRecommendations.vue b/ui/src/components/artwork/ArtworkRecommendations.vue
index b8739b6..32c060b 100644
--- a/ui/src/components/artwork/ArtworkRecommendations.vue
+++ b/ui/src/components/artwork/ArtworkRecommendations.vue
@@ -219,28 +219,29 @@ onMounted(() => {
 
 <style scoped>
 .artwork-recommendations {
-    background: white;
-    border-radius: 1rem;
-    padding: 2rem;
-    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+    background: var(--color-bg-primary);
+    border-radius: var(--radius-xl);
+    padding: var(--spacing-2xl);
+    box-shadow: var(--shadow-md);
+    border: 1px solid var(--color-border);
 }
 
 .recommendations-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
-    margin-bottom: 2rem;
+    margin-bottom: var(--spacing-2xl);
 }
 
 .recommendations-title {
     font-size: 1.5rem;
     font-weight: 600;
-    color: #1f2937;
+    color: var(--color-text-primary);
     margin: 0;
 }
 
 .recommendations-info {
-    color: #6b7280;
+    color: var(--color-text-secondary);
     font-size: 0.875rem;
 }
 
@@ -251,37 +252,37 @@ onMounted(() => {
     justify-content: center;
     align-items: center;
     min-height: 200px;
-    color: #6b7280;
+    color: var(--color-text-secondary);
 }
 
 .artworks-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
-    gap: 2rem;
-    margin-bottom: 2rem;
+    gap: var(--spacing-2xl);
+    margin-bottom: var(--spacing-2xl);
 }
 
 .load-more-section {
     display: flex;
     justify-content: center;
-    margin-bottom: 1rem;
+    margin-bottom: var(--spacing-lg);
 }
 
 .load-more-btn {
-    padding: 0.75rem 2rem;
-    border: 1px solid #d1d5db;
-    border-radius: 0.5rem;
-    background: white;
-    color: #374151;
+    padding: var(--spacing-md) var(--spacing-2xl);
+    border: 1px solid var(--color-border);
+    border-radius: var(--radius-md);
+    background: var(--color-bg-primary);
+    color: var(--color-text-primary);
     font-weight: 500;
     cursor: pointer;
-    transition: all 0.2s;
+    transition: all var(--transition-normal);
     font-size: 1rem;
 }
 
 .load-more-btn:hover:not(:disabled) {
-    background: #f3f4f6;
-    border-color: #9ca3af;
+    background: var(--color-bg-tertiary);
+    border-color: var(--color-border-hover);
     transform: translateY(-1px);
 }
 
@@ -293,25 +294,25 @@ onMounted(() => {
 
 .no-more-section {
     text-align: center;
-    padding: 2rem 0;
-    color: #6b7280;
+    padding: var(--spacing-2xl) 0;
+    color: var(--color-text-secondary);
     font-size: 0.875rem;
 }
 
 @media (max-width: 768px) {
     .artwork-recommendations {
-        padding: 1.5rem;
+        padding: var(--spacing-xl);
     }
 
     .recommendations-header {
         flex-direction: column;
-        gap: 0.5rem;
+        gap: var(--spacing-sm);
         align-items: flex-start;
     }
 
     .artworks-grid {
         grid-template-columns: 1fr;
-        gap: 1.5rem;
+        gap: var(--spacing-xl);
     }
 }
 </style>
\ No newline at end of file
diff --git a/ui/src/components/cache/CacheManager.vue b/ui/src/components/cache/CacheManager.vue
index 5bcb9ee..c2f5c42 100644
--- a/ui/src/components/cache/CacheManager.vue
+++ b/ui/src/components/cache/CacheManager.vue
@@ -190,150 +190,105 @@ onMounted(() => {
 
 <style scoped>
 .cache-manager {
-  background: white;
-  border-radius: 0.75rem;
-  padding: 1.5rem;
-  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+  background: var(--color-bg-primary);
+  border-radius: var(--radius-lg);
+  padding: var(--spacing-xl);
+  box-shadow: var(--shadow-sm);
+  border: 1px solid var(--color-border);
 }
 
 .cache-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
-  margin-bottom: 1.5rem;
+  margin-bottom: var(--spacing-xl);
 }
 
 .cache-header h3 {
   margin: 0;
   font-size: 1.25rem;
   font-weight: 600;
-  color: #1f2937;
+  color: var(--color-text-primary);
 }
 
 .cache-actions {
   display: flex;
-  gap: 0.75rem;
-}
-
-.btn {
-  padding: 0.5rem 1rem;
-  border-radius: 0.375rem;
-  font-weight: 500;
-  text-decoration: none;
-  transition: all 0.2s;
-  border: none;
-  cursor: pointer;
-  font-size: 0.875rem;
-}
-
-.btn:disabled {
-  opacity: 0.6;
-  cursor: not-allowed;
-}
-
-.btn-secondary {
-  background: #f3f4f6;
-  color: #374151;
-  border: 1px solid #d1d5db;
-}
-
-.btn-secondary:hover:not(:disabled) {
-  background: #e5e7eb;
-}
-
-.btn-warning {
-  background: #fef3c7;
-  color: #92400e;
-  border: 1px solid #f59e0b;
-}
-
-.btn-warning:hover:not(:disabled) {
-  background: #fde68a;
-}
-
-.btn-danger {
-  background: #fee2e2;
-  color: #991b1b;
-  border: 1px solid #ef4444;
-}
-
-.btn-danger:hover:not(:disabled) {
-  background: #fecaca;
+  gap: var(--spacing-md);
 }
 
 .error-message {
-  background: #fee2e2;
-  color: #991b1b;
-  padding: 0.75rem;
-  border-radius: 0.375rem;
-  margin-bottom: 1rem;
-  border: 1px solid #fecaca;
+  background: var(--color-danger-light);
+  color: var(--color-danger-dark);
+  padding: var(--spacing-md);
+  border-radius: var(--radius-md);
+  margin-bottom: var(--spacing-lg);
+  border: 1px solid var(--color-danger);
 }
 
 .cache-stats {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
-  gap: 1rem;
+  gap: var(--spacing-lg);
 }
 
 .stat-item {
-  background: #f8fafc;
-  padding: 1rem;
-  border-radius: 0.5rem;
-  border: 1px solid #e2e8f0;
+  background: var(--color-bg-secondary);
+  padding: var(--spacing-lg);
+  border-radius: var(--radius-md);
+  border: 1px solid var(--color-border);
 }
 
 .stat-label {
   font-size: 0.875rem;
-  color: #64748b;
-  margin-bottom: 0.5rem;
+  color: var(--color-text-secondary);
+  margin-bottom: var(--spacing-sm);
   font-weight: 500;
 }
 
 .stat-value {
   font-size: 1.125rem;
   font-weight: 600;
-  color: #1f2937;
+  color: var(--color-text-primary);
   display: flex;
   align-items: center;
-  gap: 0.5rem;
+  gap: var(--spacing-sm);
 }
 
 .usage-bar {
   flex: 1;
   height: 0.5rem;
-  background: #e2e8f0;
-  border-radius: 0.25rem;
+  background: var(--color-bg-tertiary);
+  border-radius: var(--radius-sm);
   overflow: hidden;
 }
 
 .usage-fill {
   height: 100%;
-  background: #10b981;
+  background: var(--color-success);
   transition: width 0.3s ease;
 }
 
 .usage-fill.usage-high {
-  background: #ef4444;
+  background: var(--color-danger);
 }
 
 .usage-text {
   font-size: 0.875rem;
-  color: #6b7280;
+  color: var(--color-text-secondary);
   min-width: 3rem;
   text-align: right;
 }
 
 .loading {
   text-align: center;
-  color: #6b7280;
-  padding: 2rem;
+  color: var(--color-text-secondary);
+  padding: var(--spacing-2xl);
 }
 
 @media (max-width: 768px) {
   .cache-header {
     flex-direction: column;
-    gap: 1rem;
+    gap: var(--spacing-lg);
     align-items: stretch;
   }
 
@@ -345,4 +300,4 @@ onMounted(() => {
     grid-template-columns: 1fr;
   }
 }
-</style> 
\ No newline at end of file
+</style>
\ No newline at end of file
diff --git a/ui/src/components/home/RandomRecommendations.vue b/ui/src/components/home/RandomRecommendations.vue
index d28f429..2d0c39f 100644
--- a/ui/src/components/home/RandomRecommendations.vue
+++ b/ui/src/components/home/RandomRecommendations.vue
@@ -9,7 +9,9 @@
                             <path
                                 d="M17.65 6.35C16.2 4.9 14.21 4 12 4c-4.42 0-7.99 3.58-7.99 8s3.57 8 7.99 8c3.73 0 6.84-2.55 7.73-6h-2.08c-.82 2.33-3.04 4-5.65 4-3.31 0-6-2.69-6-6s2.69-6 6-6c1.66 0 3.14.69 4.22 1.78L13 11h7V4l-2.35 2.35z" />
                         </svg>
-                        <LoadingSpinner v-else text="" />
+                        <div v-else class="loading-spinner-small">
+                            <div class="spinner-ring-small"></div>
+                        </div>
                         刷新推荐
                     </button>
                 </div>
@@ -170,8 +172,8 @@ watch(() => hasFollowingArtists.value, (newValue) => {
 
 <style scoped>
 .random-recommendations {
-    margin: 2rem 0;
-    padding: 0 2rem;
+    margin: var(--spacing-2xl) 0;
+    padding: 0 var(--spacing-2xl);
 }
 
 .random-recommendations .container {
@@ -183,31 +185,31 @@ watch(() => hasFollowingArtists.value, (newValue) => {
     display: flex;
     justify-content: space-between;
     align-items: center;
-    margin-bottom: 2rem;
+    margin-bottom: var(--spacing-2xl);
 }
 
 .section-title {
     font-size: 2rem;
     font-weight: 700;
-    color: #1f2937;
+    color: var(--color-text-primary);
     margin: 0;
 }
 
 .header-actions {
     display: flex;
-    gap: 1rem;
+    gap: var(--spacing-lg);
 }
 
 .btn {
     display: inline-flex;
     align-items: center;
     justify-content: center;
-    gap: 0.5rem;
-    padding: 0.75rem 1rem;
-    border-radius: 0.5rem;
+    gap: var(--spacing-sm);
+    padding: var(--spacing-md) var(--spacing-lg);
+    border-radius: var(--radius-lg);
     font-weight: 600;
     text-decoration: none;
-    transition: all 0.2s;
+    transition: all var(--transition-normal);
     border: none;
     cursor: pointer;
     font-size: 0.875rem;
@@ -219,17 +221,20 @@ watch(() => hasFollowingArtists.value, (newValue) => {
 }
 
 .btn-secondary {
-    background: #f3f4f6;
-    color: #374151;
-    border: 1px solid #d1d5db;
+    background: var(--color-bg-tertiary);
+    color: var(--color-text-primary);
+    border: 1px solid var(--color-border);
 }
 
 .btn-secondary:hover:not(:disabled) {
-    background: #e5e7eb;
+    background: var(--color-bg-secondary);
+    border-color: var(--color-border-hover);
+    transform: translateY(-1px);
+    box-shadow: var(--shadow-sm);
 }
 
 .btn-small {
-    padding: 0.5rem 0.75rem;
+    padding: var(--spacing-sm) var(--spacing-md);
     font-size: 0.75rem;
 }
 
@@ -238,14 +243,39 @@ watch(() => hasFollowingArtists.value, (newValue) => {
     height: 1rem;
 }
 
+.loading-spinner-small {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.spinner-ring-small {
+    width: 1rem;
+    height: 1rem;
+    border: 2px solid var(--color-border);
+    border-top: 2px solid var(--color-primary);
+    border-radius: 50%;
+    animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+    0% {
+        transform: rotate(0deg);
+    }
+
+    100% {
+        transform: rotate(360deg);
+    }
+}
+
 .loading-section {
     display: flex;
     justify-content: center;
-    padding: 3rem 0;
+    padding: var(--spacing-2xl) 0;
 }
 
 .error-section {
-    margin-bottom: 2rem;
+    margin-bottom: var(--spacing-2xl);
 }
 
 .empty-section {
@@ -261,19 +291,19 @@ watch(() => hasFollowingArtists.value, (newValue) => {
 .empty-icon {
     width: 4rem;
     height: 4rem;
-    color: #9ca3af;
-    margin-bottom: 1rem;
+    color: var(--color-text-tertiary);
+    margin-bottom: var(--spacing-lg);
 }
 
 .empty-text {
     font-size: 1.25rem;
     font-weight: 600;
-    color: #6b7280;
-    margin: 0 0 0.5rem 0;
+    color: var(--color-text-secondary);
+    margin: 0 0 var(--spacing-sm) 0;
 }
 
 .empty-subtext {
-    color: #9ca3af;
+    color: var(--color-text-tertiary);
     margin: 0;
     line-height: 1.5;
 }
@@ -281,8 +311,8 @@ watch(() => hasFollowingArtists.value, (newValue) => {
 .recommendations-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
-    gap: 1.5rem;
-    margin-bottom: 2rem;
+    gap: var(--spacing-xl);
+    margin-bottom: var(--spacing-2xl);
     max-width: 100%;
 }
 
@@ -301,12 +331,12 @@ watch(() => hasFollowingArtists.value, (newValue) => {
 
 .section-footer {
     text-align: center;
-    padding: 1rem 0;
-    border-top: 1px solid #e5e7eb;
+    padding: var(--spacing-lg) 0;
+    border-top: 1px solid var(--color-border);
 }
 
 .footer-text {
-    color: #6b7280;
+    color: var(--color-text-secondary);
     font-size: 0.875rem;
     margin: 0;
 }
@@ -319,18 +349,18 @@ watch(() => hasFollowingArtists.value, (newValue) => {
 
 @media (max-width: 768px) {
     .random-recommendations {
-        padding: 0 1rem;
+        padding: 0 var(--spacing-lg);
     }
 
     .section-header {
         flex-direction: column;
         align-items: flex-start;
-        gap: 1rem;
+        gap: var(--spacing-lg);
     }
 
     .recommendations-grid {
         grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
-        gap: 1rem;
+        gap: var(--spacing-lg);
     }
 
     .section-title {
@@ -341,7 +371,7 @@ watch(() => hasFollowingArtists.value, (newValue) => {
 @media (max-width: 480px) {
     .recommendations-grid {
         grid-template-columns: 1fr;
-        gap: 1rem;
+        gap: var(--spacing-lg);
     }
 }
 </style>
\ No newline at end of file
diff --git a/ui/src/views/ArtworkView.vue b/ui/src/views/ArtworkView.vue
index cd14907..85081b4 100644
--- a/ui/src/views/ArtworkView.vue
+++ b/ui/src/views/ArtworkView.vue
@@ -22,12 +22,11 @@
           @page-change="currentImagePage = $event" />
 
         <!-- 右侧信息面板组件 -->
-        <ArtworkInfoPanel :artwork="artwork" :downloading="downloading" :is-downloaded="isDownloaded"
+        <ArtworkInfoPanel :artwork="artwork" :downloading="downloading" :deleting="deleting" :is-downloaded="isDownloaded"
           :current-task="currentTask" :loading="loading" :show-navigation="showNavigation"
           :previous-artwork="previousArtwork" :next-artwork="nextArtwork" :canNavigatePrevious="canNavigateToPrevious"
           :canNavigateNext="canNavigateToNext" :selected-tags="selectedTags" :show-recommendations="showRecommendations"
-          :show-caption="showCaption"
-          @download="handleDownload" @bookmark="handleBookmark" @go-back="goBackToArtist"
+          :show-caption="showCaption" @download="handleDownload" @delete="handleDelete" @go-back="goBackToArtist"
           @navigate-previous="navigateToPrevious" @navigate-next="navigateToNext" @tag-click="handleTagClick"
           @toggle-recommendations="showRecommendations = $event" @toggle-caption="showCaption = $event" />
       </div>
@@ -71,6 +70,7 @@ const loading = ref(false);
 const error = ref<string | null>(null);
 const currentImagePage = ref(0); // 当前图片页面
 const downloading = ref(false);
+const deleting = ref(false); // 新增删除中状态
 const isDownloaded = ref(false);
 
 // 下载任务状态 - 使用Pinia store
@@ -252,7 +252,7 @@ const checkDownloadStatus = async (artworkId: number, retryCount = 0) => {
 
 // 下载作品
 const handleDownload = async () => {
-  if (!artwork.value) return;
+  if (!artwork.value || downloading.value) return; // 防止重复点击
 
   try {
     // 清理下载状态
@@ -326,30 +326,109 @@ watch(currentTask, (newTask, oldTask) => {
   }
 }, { immediate: true });
 
-// 收藏/取消收藏
-const handleBookmark = async () => {
-  if (!artwork.value) return;
+// 收藏/取消收藏 - 已注释，功能暂时不可用
+// const handleBookmark = async () => {
+//   if (!artwork.value) return;
+
+//   try {
+//     const action = artwork.value.is_bookmarked ? 'remove' : 'add';
+//     const response = await artworkService.toggleBookmark(artwork.value.id, action);
+
+//     if (response.success && response.data) {
+//       // 更新作品状态
+//       artwork.value.is_bookmarked = response.data.is_bookmarked;
+//       artwork.value.total_bookmarks += artwork.value.is_bookmarked ? 1 : -1;
+
+//       // 显示成功消息
+//       console.log(response.data.message);
+//     } else {
+//       // 显示错误提示给用户
+//       bookmarkError.value = response.error || '收藏操作失败';
+//       console.error('收藏操作失败:', response.error);
+//     }
+//   } catch (err) {
+//     // 显示错误提示给用户
+//     bookmarkError.value = '藏暂时不可用，请去官方收藏或者取消收藏';
+//     console.error('收藏操作失败:', err);
+//   }
+// };
+
+// 删除作品
+const handleDelete = async () => {
+  if (!artwork.value || deleting.value) return; // 防止重复点击
+
+  // 确认删除
+  if (!confirm(`确定要删除作品 "${artwork.value.title}" 吗？此操作不可恢复。`)) {
+    return;
+  }
+
+  deleting.value = true; // 设置删除中状态
 
   try {
-    const action = artwork.value.is_bookmarked ? 'remove' : 'add';
-    const response = await artworkService.toggleBookmark(artwork.value.id, action);
+    const response = await repositoryStore.deleteArtwork(artwork.value.id.toString());
 
-    if (response.success && response.data) {
-      // 更新作品状态
-      artwork.value.is_bookmarked = response.data.is_bookmarked;
-      artwork.value.total_bookmarks += artwork.value.is_bookmarked ? 1 : -1;
-
-      // 显示成功消息
-      console.log(response.data.message);
+    if (response.success) {
+      // 删除成功后更新本地状态
+      isDownloaded.value = false;
+      
+      // 显示成功提示（非阻塞）
+      const successMessage = document.createElement('div');
+      successMessage.textContent = '作品删除成功';
+      successMessage.style.cssText = `
+        position: fixed;
+        top: 20px;
+        right: 20px;
+        background: var(--color-success);
+        color: white;
+        padding: 12px 20px;
+        border-radius: 6px;
+        z-index: 9999;
+        font-size: 14px;
+        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+      `;
+      document.body.appendChild(successMessage);
+      
+      // 3秒后自动移除提示
+      setTimeout(() => {
+        if (successMessage.parentNode) {
+          successMessage.parentNode.removeChild(successMessage);
+        }
+      }, 3000);
+      
+      // 不退出页面，保持在当前页面
     } else {
-      // 显示错误提示给用户
-      bookmarkError.value = response.error || '收藏操作失败';
-      console.error('收藏操作失败:', response.error);
+      throw new Error(response.error || '删除失败');
     }
   } catch (err) {
-    // 显示错误提示给用户
-    bookmarkError.value = '藏暂时不可用，请去官方收藏或者取消收藏';
-    console.error('收藏操作失败:', err);
+    const errorMessage = err instanceof Error ? err.message : '删除作品失败';
+    
+    // 显示错误提示（非阻塞）
+    const errorDiv = document.createElement('div');
+    errorDiv.textContent = '删除失败: ' + errorMessage;
+    errorDiv.style.cssText = `
+      position: fixed;
+      top: 20px;
+      right: 20px;
+      background: var(--color-danger);
+      color: white;
+      padding: 12px 20px;
+      border-radius: 6px;
+      z-index: 9999;
+      font-size: 14px;
+      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    `;
+    document.body.appendChild(errorDiv);
+    
+    // 3秒后自动移除提示
+    setTimeout(() => {
+      if (errorDiv.parentNode) {
+        errorDiv.parentNode.removeChild(errorDiv);
+      }
+    }, 3000);
+    
+    console.error('删除作品失败:', err);
+  } finally {
+    deleting.value = false; // 重置删除状态
   }
 };
 
@@ -755,7 +834,7 @@ onMounted(() => {
 
   // 初始化推荐开关状态
   initializeRecommendationsState();
-  
+
   // 初始化 Caption 开关状态
   initializeCaptionState();
 });