diff --git a/src/App.vue b/src/App.vue
index c33c91a..9ce21c1 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -57,6 +57,7 @@ const toggleTheme = () => {
 };
 
 const view = ref<'translate' | 'settings' | 'logs' | 'history'>('translate');
+const settingsCategory = ref<'api' | 'general' | 'prompts'>('api');
 
 // History Management
 const searchQuery = ref('');
@@ -1058,267 +1059,370 @@ const translate = async () => {
       </div>
 
       <!-- Settings View -->
-      <div v-else-if="view === 'settings'" class="flex-1 overflow-y-auto bg-slate-100/50 dark:bg-slate-950 p-6 md:p-10 min-h-0">
-        <div class="max-w-2xl mx-auto space-y-8">
-          <section>
-            <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-4">API 配置预设</h2>
-            <div class="bg-white/60 dark:bg-slate-900 rounded-xl shadow-sm border dark:border-slate-800 p-1.5 space-y-1">
-              <div v-if="settings.profiles.length === 0" class="p-8 text-center text-sm text-slate-400 dark:text-slate-600 italic">
-                暂无预设配置
+      <div v-else-if="view === 'settings'" class="flex-1 flex overflow-hidden bg-slate-100/50 dark:bg-slate-950">
+        <!-- Settings Sidebar (Master) -->
+        <div class="w-64 border-r dark:border-slate-800 flex flex-col bg-white/60 dark:bg-slate-900/40">
+          <div class="p-4 border-b dark:border-slate-800 shrink-0">
+             <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">系统设置</h2>
+          </div>
+          <nav class="flex-1 overflow-y-auto p-3 space-y-1">
+            <button 
+              @click="settingsCategory = 'api'"
+              :class="cn(
+                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
+                settingsCategory === 'api' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
+              )"
+            >
+              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'api' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
+                <Play class="w-4 h-4" />
               </div>
-              <div 
-                v-for="profile in settings.profiles" 
-                :key="profile.id"
-                class="p-3 flex items-center justify-between group hover:bg-slate-100/50 dark:hover:bg-slate-800/50 transition-colors rounded-lg"
-              >
-                <div class="flex flex-col gap-0.5 min-w-0">
-                  <span class="text-sm font-semibold text-slate-700 dark:text-slate-200 truncate">{{ profile.name }}</span>
-                  <div class="flex items-center gap-2 text-[10px] text-slate-400 dark:text-slate-500 font-mono">
-                    <span class="truncate max-w-30">{{ profile.modelName }}</span>
-                    <span>•</span>
-                    <span class="truncate">{{ profile.apiBaseUrl }}</span>
+              API 与模型
+            </button>
+            <button 
+              @click="settingsCategory = 'general'"
+              :class="cn(
+                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
+                settingsCategory === 'general' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
+              )"
+            >
+              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'general' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
+                <Settings class="w-4 h-4" />
+              </div>
+              常规设置
+            </button>
+            <button 
+              @click="settingsCategory = 'prompts'"
+              :class="cn(
+                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
+                settingsCategory === 'prompts' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
+              )"
+            >
+              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'prompts' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
+                <Type class="w-4 h-4" />
+              </div>
+              提示词工程
+            </button>
+          </nav>
+        </div>
+
+        <!-- Settings Content (Detail) -->
+        <div class="flex-1 overflow-y-auto p-6 md:p-10 custom-scrollbar bg-slate-50/30 dark:bg-transparent">
+          <div class="max-w-3xl mx-auto space-y-8 pb-20">
+            
+            <!-- API & Models -->
+            <template v-if="settingsCategory === 'api'">
+              <div class="mb-6 border-b dark:border-slate-800 pb-4">
+                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">API 与模型</h1>
+                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">配置与大语言模型通信的接口地址和凭证。</p>
+              </div>
+
+              <section>
+                <div class="flex items-center justify-between mb-4">
+                  <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">当前接口配置</h2>
+                  <div v-if="!isSavingProfile" class="flex items-center gap-2">
+                     <button 
+                      @click="isSavingProfile = true"
+                      class="text-xs flex items-center gap-1.5 text-blue-600 dark:text-blue-400 hover:underline px-2 py-1 rounded"
+                    >
+                      <Save class="w-3.5 h-3.5" />
+                      保存为预设
+                    </button>
+                  </div>
+                  <div v-else class="flex items-center gap-2 bg-white dark:bg-slate-800 p-1 rounded-lg border dark:border-slate-700 shadow-sm animate-in fade-in zoom-in duration-200">
+                    <input 
+                      v-model="newProfileName"
+                      type="text"
+                      placeholder="输入预设名称..."
+                      class="text-xs px-2 py-1 bg-transparent outline-none w-32 dark:text-slate-200"
+                      @keyup.enter="saveCurrentAsProfile"
+                    />
+                    <button 
+                      @click="saveCurrentAsProfile"
+                      :disabled="!newProfileName.trim()"
+                      class="p-1 text-green-600 hover:bg-green-50 dark:hover:bg-green-900/30 rounded disabled:opacity-50"
+                    >
+                      <Check class="w-3.5 h-3.5" />
+                    </button>
+                    <button 
+                      @click="isSavingProfile = false; newProfileName = ''"
+                      class="p-1 text-slate-400 hover:bg-slate-100 dark:hover:bg-slate-700 rounded"
+                    >
+                      <Plus class="w-3.5 h-3.5 rotate-45" />
+                    </button>
                   </div>
                 </div>
-                <div class="flex items-center gap-1 opacity-0 group-hover:opacity-100 transition-opacity">
-                  <button 
-                    @click="applyProfile(profile)"
-                    class="p-2 text-blue-600 hover:bg-blue-50 dark:hover:bg-blue-900/30 rounded-lg transition-colors"
-                    title="应用此配置"
-                  >
-                    <Play class="w-4 h-4 fill-current" />
-                  </button>
-                  <button 
-                    @click="deleteProfile(profile.id)"
-                    class="p-2 text-red-600 hover:bg-red-50 dark:hover:bg-red-900/30 rounded-lg transition-colors"
-                    title="删除"
-                  >
-                    <Trash2 class="w-4 h-4" />
-                  </button>
+                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 p-6 space-y-4">
+                  <div class="space-y-2">
+                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">API Base URL</label>
+                    <input 
+                      v-model="settings.apiBaseUrl"
+                      type="text" 
+                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
+                      placeholder="https://api.openai.com/v1"
+                    />
+                  </div>
+                  <div class="space-y-2">
+                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">API Key</label>
+                    <input 
+                      v-model="settings.apiKey"
+                      type="password" 
+                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
+                      placeholder="sk-..."
+                    />
+                  </div>
+                  <div class="space-y-2">
+                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">Model Name</label>
+                    <input 
+                      v-model="settings.modelName"
+                      type="text" 
+                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
+                      placeholder="gpt-3.5-turbo"
+                    />
+                  </div>
                 </div>
-              </div>
-            </div>
-          </section>
+              </section>
 
-          <section>
-            <div class="flex items-center justify-between mb-4">
-              <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">模型接口配置</h2>
-              <div v-if="!isSavingProfile" class="flex items-center gap-2">
-                 <button 
-                  @click="isSavingProfile = true"
-                  class="text-xs flex items-center gap-1.5 text-blue-600 dark:text-blue-400 hover:underline px-2 py-1 rounded"
-                >
-                  <Save class="w-3.5 h-3.5" />
-                  保存为预设
-                </button>
-              </div>
-              <div v-else class="flex items-center gap-2 bg-white dark:bg-slate-800 p-1 rounded-lg border dark:border-slate-700 shadow-sm animate-in fade-in zoom-in duration-200">
-                <input 
-                  v-model="newProfileName"
-                  type="text"
-                  placeholder="输入预设名称..."
-                  class="text-xs px-2 py-1 bg-transparent outline-none w-32 dark:text-slate-200"
-                  @keyup.enter="saveCurrentAsProfile"
-                />
-                <button 
-                  @click="saveCurrentAsProfile"
-                  :disabled="!newProfileName.trim()"
-                  class="p-1 text-green-600 hover:bg-green-50 dark:hover:bg-green-900/30 rounded disabled:opacity-50"
-                >
-                  <Check class="w-3.5 h-3.5" />
-                </button>
-                <button 
-                  @click="isSavingProfile = false; newProfileName = ''"
-                  class="p-1 text-slate-400 hover:bg-slate-100 dark:hover:bg-slate-700 rounded"
-                >
-                  <Plus class="w-3.5 h-3.5 rotate-45" />
-                </button>
-              </div>
-            </div>
-            <div class="bg-slate-200/20 dark:bg-slate-900 rounded-xl shadow-sm/5 border dark:border-slate-800 p-6 space-y-4">
-              <div class="space-y-2">
-                <label class="text-sm font-medium text-slate-700 dark:text-slate-300">API Base URL</label>
-                <input 
-                  v-model="settings.apiBaseUrl"
-                  type="text" 
-                  class="w-full px-4 py-2 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-slate-900 dark:text-slate-100"
-                  placeholder="https://api.openai.com/v1"
-                />
-              </div>
-              <div class="space-y-2">
-                <label class="text-sm font-medium text-slate-700 dark:text-slate-300">API Key</label>
-                <input 
-                  v-model="settings.apiKey"
-                  type="password" 
-                  class="w-full px-4 py-2 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
-                  placeholder="sk-..."
-                />
-              </div>
-              <div class="space-y-2">
-                <label class="text-sm font-medium text-slate-700 dark:text-slate-300">Model</label>
-                <input 
-                  v-model="settings.modelName"
-                  type="text" 
-                  class="w-full px-4 py-2 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
-                  placeholder="gpt-3.5-turbo"
-                />
-              </div>
-              <div class="flex items-center justify-between">
-                <div>
-                  <label class="text-sm font-medium text-slate-700 dark:text-slate-300">流式输出</label>
-                  <p class="text-xs text-slate-500 dark:text-slate-500">在生成时即时渲染文本</p>
-                </div>
-                <button 
-                  @click="settings.enableStreaming = !settings.enableStreaming"
-                  :class="cn(
-                    'w-12 h-6 rounded-full transition-colors relative',
-                    settings.enableStreaming ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
-                  )"
-                >
-                  <div :class="cn(
-                    'absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform',
-                    settings.enableStreaming ? 'translate-x-6' : 'translate-x-0'
-                  )"></div>
-                </button>
-              </div>
-
-              <div class="flex items-center justify-between">
-                <div>
-                  <label class="text-sm font-medium text-slate-700 dark:text-slate-300">自动质量审计</label>
-                  <p class="text-xs text-slate-500 dark:text-slate-500">翻译完成后自动评估准确度</p>
-                </div>
-                <button 
-                  @click="settings.enableEvaluation = !settings.enableEvaluation"
-                  :class="cn(
-                    'w-12 h-6 rounded-full transition-colors relative',
-                    settings.enableEvaluation ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
-                  )"
-                >
-                  <div :class="cn(
-                    'absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform',
-                    settings.enableEvaluation ? 'translate-x-6' : 'translate-x-0'
-                  )"></div>
-                </button>
-              </div>
-
-              <div class="space-y-3 pt-4 border-t border-dashed dark:border-slate-800 animate-in fade-in slide-in-from-top-2 duration-300">
-                <div class="flex items-center gap-2 mb-1">
-                  <Settings class="w-3.5 h-3.5 text-blue-500" />
-                  <label class="text-sm font-semibold text-slate-700 dark:text-slate-300">审计模型</label>
-                </div>
-                
-                <!-- Custom Evaluation Profile Dropdown -->
-                <div class="relative lang-dropdown">
-                  <button 
-                    @click.stop="toggleDropdown('evaluationProfile')"
-                    class="flex items-center justify-between w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-800/30 hover:bg-slate-100/50 dark:hover:bg-slate-800/50 transition-all text-sm text-slate-700 dark:text-slate-200 group"
+              <section>
+                <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-4">API 配置预设库</h2>
+                <div class="bg-slate-200/20 dark:bg-slate-900 rounded-xl shadow-sm border dark:border-slate-800 p-2 space-y-1">
+                  <div v-if="settings.profiles.length === 0" class="p-8 text-center text-sm text-slate-400 dark:text-slate-600 italic">
+                    暂无预设配置。修改上方配置并点击“保存为预设”。
+                  </div>
+                  <div 
+                    v-for="profile in settings.profiles" 
+                    :key="profile.id"
+                    class="p-3 flex items-center justify-between group hover:bg-white dark:hover:bg-slate-800 transition-colors rounded-lg border border-transparent hover:border-slate-200 dark:hover:border-slate-700"
                   >
-                    <span class="truncate">{{ currentEvaluationProfileLabel }}</span>
-                    <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200 group-hover:text-blue-500', evaluationProfileDropdownOpen && 'rotate-180')" />
-                  </button>
-                  
-                  <transition
-                    enter-active-class="transition duration-100 ease-out"
-                    enter-from-class="transform scale-95 opacity-0"
-                    enter-to-class="transform scale-100 opacity-100"
-                    leave-active-class="transition duration-75 ease-in"
-                    leave-from-class="transform scale-100 opacity-100"
-                    leave-to-class="transform scale-95 opacity-0"
-                  >
-                    <div 
-                      v-if="evaluationProfileDropdownOpen"
-                      class="absolute left-0 mt-2 w-full max-h-60 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
-                    >
-                      <button
-                        @click="settings.evaluationProfileId = null; evaluationProfileDropdownOpen = false"
-                        :class="cn(
-                          'px-4 py-2.5 text-sm text-left transition-colors flex items-center justify-between',
-                          settings.evaluationProfileId === null ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-500 hover:bg-slate-50 dark:hover:bg-slate-700/50'
-                        )"
+                    <div class="flex flex-col gap-1 min-w-0">
+                      <span class="text-sm font-bold text-slate-700 dark:text-slate-200 truncate">{{ profile.name }}</span>
+                      <div class="flex items-center gap-2 text-[10px] text-slate-500 dark:text-slate-400 font-mono bg-slate-100 dark:bg-slate-950 px-2 py-0.5 rounded w-fit">
+                        <span class="truncate max-w-32">{{ profile.modelName }}</span>
+                        <span class="opacity-30">•</span>
+                        <span class="truncate max-w-48">{{ profile.apiBaseUrl }}</span>
+                      </div>
+                    </div>
+                    <div class="flex items-center gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
+                      <button 
+                        @click="applyProfile(profile)"
+                        class="flex items-center gap-1.5 px-3 py-1.5 bg-blue-50 text-blue-600 hover:bg-blue-100 dark:bg-blue-900/30 dark:text-blue-400 dark:hover:bg-blue-900/50 rounded-lg transition-colors text-xs font-medium shadow-sm"
                       >
-                        使用主翻译配置（默认）
-                        <Check v-if="settings.evaluationProfileId === null" class="w-3.5 h-3.5" />
+                        <Play class="w-3 h-3 fill-current" />
+                        应用
                       </button>
-                      <div class="h-px bg-slate-100 dark:bg-slate-700 my-1 mx-2"></div>
-                      <button
-                        v-for="profile in settings.profiles"
-                        :key="profile.id"
-                        @click="settings.evaluationProfileId = profile.id; evaluationProfileDropdownOpen = false"
-                        :class="cn(
-                          'px-4 py-2.5 text-sm text-left transition-colors flex items-center justify-between',
-                          settings.evaluationProfileId === profile.id ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
-                        )"
+                      <button 
+                        @click="deleteProfile(profile.id)"
+                        class="p-1.5 text-slate-400 hover:text-red-600 hover:bg-red-50 dark:hover:bg-red-900/30 rounded-lg transition-colors"
+                        title="删除"
                       >
-                        <div class="flex flex-col min-w-0">
-                          <span class="truncate">{{ profile.name }}</span>
-                          <span class="text-[10px] opacity-60 font-mono">{{ profile.modelName }}</span>
-                        </div>
-                        <Check v-if="settings.evaluationProfileId === profile.id" class="w-3.5 h-3.5 shrink-0" />
+                        <Trash2 class="w-4 h-4" />
                       </button>
                     </div>
-                  </transition>
+                  </div>
                 </div>
+              </section>
+            </template>
 
-                <p class="text-[11px] text-slate-500 dark:text-slate-500 pl-1">
-                  提示：建议为审计选择更强大的模型以获得更精准的反馈
-                </p>
+            <!-- General Settings -->
+            <template v-if="settingsCategory === 'general'">
+              <div class="mb-6 border-b dark:border-slate-800 pb-4">
+                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">常规设置</h1>
+                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">调整软件的翻译行为和质量审计规则。</p>
               </div>
-            </div>
-          </section>
 
-          <section>
-            <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-4">提示词工程</h2>
-            <div class="bg-slate-200/20 dark:bg-slate-900 rounded-xl shadow-sm/5 border dark:border-slate-800 p-6 space-y-6">
-              <div class="space-y-2">
+              <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 p-6 space-y-6">
+                <!-- Streaming -->
                 <div class="flex items-center justify-between">
-                  <label class="text-sm font-medium text-slate-700 dark:text-slate-300">翻译系统提示词模板</label>
-                  <button @click="settings.systemPromptTemplate = DEFAULT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline">恢复默认值</button>
+                  <div class="space-y-0.5">
+                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200">流式输出 (Streaming)</label>
+                    <p class="text-xs text-slate-500 dark:text-slate-400">在模型生成文本时逐字渲染，提升响应速度体验。</p>
+                  </div>
+                  <button 
+                    @click="settings.enableStreaming = !settings.enableStreaming"
+                    :class="cn(
+                      'w-12 h-6 rounded-full transition-colors relative focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 shrink-0',
+                      settings.enableStreaming ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
+                    )"
+                  >
+                    <div :class="cn(
+                      'absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform shadow-sm',
+                      settings.enableStreaming ? 'translate-x-6' : 'translate-x-0'
+                    )"></div>
+                  </button>
                 </div>
-                <textarea 
-                  v-model="settings.systemPromptTemplate"
-                  rows="6"
-                  class="w-full px-4 py-3 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-xs leading-relaxed text-slate-900 dark:text-slate-100"
-                ></textarea>
-                <div class="flex flex-wrap gap-2 mt-2">
-                 <span v-for="tag in ['{SOURCE_CODE}', '{TARGET_CODE}', '{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}']" :key="tag" class="px-2 py-1 bg-slate-100 dark:bg-slate-800 text-[10px] font-mono rounded border dark:border-slate-700 text-slate-600 dark:text-slate-400">{{ tag }}</span>
-              </div>
-              </div>
 
-              <div class="space-y-2 border-t dark:border-slate-800 pt-6">
+                <div class="h-px bg-slate-100 dark:bg-slate-800"></div>
+
+                <!-- Auto Evaluation -->
                 <div class="flex items-center justify-between">
-                  <label class="text-sm font-medium text-slate-700 dark:text-slate-300">审计系统提示词模板</label>
-                  <button @click="settings.evaluationPromptTemplate = DEFAULT_EVALUATION_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline">恢复默认值</button>
+                  <div class="space-y-0.5">
+                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200">自动质量审计 (Auto Evaluation)</label>
+                    <p class="text-xs text-slate-500 dark:text-slate-400">翻译完成后，自动启动一个次级请求来评估翻译的准确度和语气，并提供改进建议。</p>
+                  </div>
+                  <button 
+                    @click="settings.enableEvaluation = !settings.enableEvaluation"
+                    :class="cn(
+                      'w-12 h-6 rounded-full transition-colors relative focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 shrink-0',
+                      settings.enableEvaluation ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
+                    )"
+                  >
+                    <div :class="cn(
+                      'absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform shadow-sm',
+                      settings.enableEvaluation ? 'translate-x-6' : 'translate-x-0'
+                    )"></div>
+                  </button>
                 </div>
-                <textarea 
-                  v-model="settings.evaluationPromptTemplate"
-                  rows="8"
-                  class="w-full px-4 py-3 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-xs leading-relaxed text-slate-900 dark:text-slate-100"
-                ></textarea>
-                <div class="flex flex-wrap gap-2 mt-2">
-                   <span v-for="tag in ['{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}', '{CONTEXT}']" :key="tag" class="px-2 py-1 bg-slate-100 dark:bg-slate-800 text-[10px] font-mono rounded border dark:border-slate-700 text-slate-600 dark:text-slate-400">{{ tag }}</span>
+
+                <div class="h-px bg-slate-100 dark:bg-slate-800"></div>
+
+                <!-- Audit Profile Selector -->
+                <div class="space-y-3">
+                  <div class="space-y-0.5">
+                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200 flex items-center gap-1.5">
+                      <Settings class="w-4 h-4 text-blue-500" />
+                      独立审计模型配置
+                    </label>
+                    <p class="text-xs text-slate-500 dark:text-slate-400">无论自动或手动审计，都将使用此配置。强烈建议选择更强大的模型以获得精准反馈。</p>
+                  </div>
+                    
+                    <!-- Custom Evaluation Profile Dropdown -->
+                    <div class="relative lang-dropdown w-full max-w-md">
+                      <button 
+                        @click.stop="toggleDropdown('evaluationProfile')"
+                        class="flex items-center justify-between w-full px-4 py-2 border dark:border-slate-700 rounded-xl bg-slate-50 dark:bg-slate-950 hover:bg-slate-100 dark:hover:bg-slate-800 transition-all text-sm text-slate-700 dark:text-slate-200 group shadow-sm"
+                      >
+                        <span class="truncate font-medium">{{ currentEvaluationProfileLabel }}</span>
+                        <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200 group-hover:text-blue-500', evaluationProfileDropdownOpen && 'rotate-180')" />
+                      </button>
+                      
+                      <transition
+                        enter-active-class="transition duration-100 ease-out"
+                        enter-from-class="transform scale-95 opacity-0"
+                        enter-to-class="transform scale-100 opacity-100"
+                        leave-active-class="transition duration-75 ease-in"
+                        leave-from-class="transform scale-100 opacity-100"
+                        leave-to-class="transform scale-95 opacity-0"
+                      >
+                        <div 
+                          v-if="evaluationProfileDropdownOpen"
+                          class="absolute left-0 mt-2 w-full max-h-60 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
+                        >
+                          <button
+                            @click="settings.evaluationProfileId = null; evaluationProfileDropdownOpen = false"
+                            :class="cn(
+                              'px-4 py-3 text-sm text-left transition-colors flex items-center justify-between',
+                              settings.evaluationProfileId === null ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 hover:bg-slate-50 dark:text-slate-300 dark:hover:bg-slate-700/50'
+                            )"
+                          >
+                            <span class="font-semibold">使用当前主翻译配置（不推荐）</span>
+                            <Check v-if="settings.evaluationProfileId === null" class="w-4 h-4" />
+                          </button>
+                          <div class="h-px bg-slate-100 dark:bg-slate-700 my-1 mx-2"></div>
+                          <button
+                            v-for="profile in settings.profiles"
+                            :key="profile.id"
+                            @click="settings.evaluationProfileId = profile.id; evaluationProfileDropdownOpen = false"
+                            :class="cn(
+                              'px-4 py-3 text-sm text-left transition-colors flex items-center justify-between',
+                              settings.evaluationProfileId === profile.id ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
+                            )"
+                          >
+                            <div class="flex flex-col gap-0.5 min-w-0">
+                              <span class="truncate font-semibold">{{ profile.name }}</span>
+                              <span class="text-[10px] opacity-60 font-mono">{{ profile.modelName }}</span>
+                            </div>
+                            <Check v-if="settings.evaluationProfileId === profile.id" class="w-4 h-4 shrink-0" />
+                          </button>
+                        </div>
+                      </transition>
+                    </div>
                 </div>
+
+              </div>
+            </template>
+
+            <!-- Prompt Engineering -->
+            <template v-if="settingsCategory === 'prompts'">
+              <div class="mb-6 border-b dark:border-slate-800 pb-4">
+                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">提示词工程</h1>
+                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">深度定制 AI 的系统指令，修改变量占位符将改变其核心逻辑。</p>
               </div>
 
-              <div class="space-y-2 border-t dark:border-slate-800 pt-6">
-                <div class="flex items-center justify-between">
-                  <label class="text-sm font-medium text-slate-700 dark:text-slate-300">润色系统提示词模板</label>
-                  <button @click="settings.refinementPromptTemplate = DEFAULT_REFINEMENT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline">恢复默认值</button>
+              <div class="space-y-8">
+                <!-- Translation Prompt -->
+                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
+                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
+                    <div class="flex items-center gap-2">
+                      <div class="w-2 h-2 rounded-full bg-blue-500"></div>
+                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">主翻译系统指令</h3>
+                    </div>
+                    <button @click="settings.systemPromptTemplate = DEFAULT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
+                  </div>
+                  <textarea 
+                    v-model="settings.systemPromptTemplate"
+                    rows="8"
+                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
+                    spellcheck="false"
+                  ></textarea>
+                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
+                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
+                    <div class="flex flex-wrap gap-1.5">
+                      <span v-for="tag in ['{SOURCE_CODE}', '{TARGET_CODE}', '{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
+                    </div>
+                  </div>
                 </div>
-                <textarea 
-                  v-model="settings.refinementPromptTemplate"
-                  rows="8"
-                  class="w-full px-4 py-3 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-xs leading-relaxed text-slate-900 dark:text-slate-100"
-                ></textarea>
-                <div class="flex flex-wrap gap-2 mt-2">
-                   <span v-for="tag in ['{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}', '{CONTEXT}']" :key="tag" class="px-2 py-1 bg-slate-100 dark:bg-slate-800 text-[10px] font-mono rounded border dark:border-slate-700 text-slate-600 dark:text-slate-400">{{ tag }}</span>
+
+                <!-- Evaluation Prompt -->
+                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
+                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
+                    <div class="flex items-center gap-2">
+                      <div class="w-2 h-2 rounded-full bg-amber-500"></div>
+                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">质量审计指令 (JSON 输出)</h3>
+                    </div>
+                    <button @click="settings.evaluationPromptTemplate = DEFAULT_EVALUATION_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
+                  </div>
+                  <textarea 
+                    v-model="settings.evaluationPromptTemplate"
+                    rows="12"
+                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
+                    spellcheck="false"
+                  ></textarea>
+                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
+                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
+                    <div class="flex flex-wrap gap-1.5">
+                      <span v-for="tag in ['{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}', '{CONTEXT}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
+                    </div>
+                  </div>
+                </div>
+
+                <!-- Refinement Prompt -->
+                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
+                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
+                    <div class="flex items-center gap-2">
+                      <div class="w-2 h-2 rounded-full bg-green-500"></div>
+                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">定向润色指令</h3>
+                    </div>
+                    <button @click="settings.refinementPromptTemplate = DEFAULT_REFINEMENT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
+                  </div>
+                  <textarea 
+                    v-model="settings.refinementPromptTemplate"
+                    rows="8"
+                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
+                    spellcheck="false"
+                  ></textarea>
+                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
+                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
+                    <div class="flex flex-wrap gap-1.5">
+                      <span v-for="tag in ['{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}', '{CONTEXT}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
+                    </div>
+                  </div>
                 </div>
               </div>
+            </template>
 
-            </div>
-          </section>
+          </div>
         </div>
       </div>
-
-      <!-- Logs View -->
+<!-- Logs View -->
       <div v-else-if="view === 'logs'" class="flex-1 flex overflow-hidden bg-slate-100/50 dark:bg-slate-950">
         <!-- Logs List (Master) -->
         <div class="w-80 md:w-96 border-r dark:border-slate-800 flex flex-col bg-white/60 dark:bg-slate-900/40">