diff --git a/src/App.vue b/src/App.vue
index 1abdfea..c444bac 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,40 +1,53 @@
 <template>
-  <div class="flex h-full">
-    <!-- 对照检查页面（全屏独占） -->
-    <ComparePanel v-if="currentPage === 'compare'" />
-    
-    <!-- 常规布局 -->
-    <template v-else>
-      <!-- 左侧面板 -->
-      <WriterPanel v-if="currentPage === 'writer'" />
-      <AnalysisPanel v-else-if="currentPage === 'analysis'" />
-      <DocumentsPanel 
-        v-else-if="currentPage === 'documents'" 
-        @toggle-version-panel="toggleVersionPanel"
-        @document-selected="handleDocumentSelected"
-      />
-      <MaterialsPanel v-else-if="currentPage === 'materials'" />
-      <SettingsPanel v-else-if="currentPage === 'settings'" />
+  <div class="flex h-screen w-full bg-slate-950 overflow-hidden">
+    <!-- 全局导航侧边栏 -->
+    <GlobalSidebar v-if="currentPage !== 'compare' && currentPage !== 'diffAnnotation' && currentPage !== 'rewrite'" />
+
+    <!-- 主体区域 -->
+    <main class="flex-1 flex overflow-hidden relative">
+      <!-- 对照检查页面（全屏独占） -->
+      <ComparePanel v-if="currentPage === 'compare'" />
       
-      <!-- 右侧主内容区 -->
-      <MainContent />
+      <!-- 差异标注页面（全屏独占） -->
+      <DiffAnnotationPanel v-else-if="currentPage === 'diffAnnotation'" />
       
-      <!-- 版本历史面板（仅文稿管理页面显示） -->
-      <DocumentVersionPanel 
-        v-if="currentPage === 'documents'"
-        :visible="showVersionPanel"
-        :document-id="selectedDocumentId"
-        :current-content="selectedDocumentContent"
-        @close="showVersionPanel = false"
-        @restore="handleVersionRestore"
-      />
-    </template>
+      <!-- 范式润色页面（全屏独占） -->
+      <ArticleRewritePanel v-else-if="currentPage === 'rewrite'" />
+      
+      <!-- 持久化布局面板 -->
+      <template v-else>
+        <!-- 左侧/中间配置侧边栏 -->
+        <WriterPanel v-if="currentPage === 'writer'" />
+        <AnalysisPanel v-else-if="currentPage === 'analysis'" />
+        <DocumentsPanel 
+          v-else-if="currentPage === 'documents'" 
+          @toggle-version-panel="toggleVersionPanel"
+          @document-selected="handleDocumentSelected"
+        />
+        <MaterialsPanel v-else-if="currentPage === 'materials'" />
+        <SettingsPanel v-else-if="currentPage === 'settings'" />
+        
+        <!-- 右侧核心内容区 -->
+        <MainContent />
+        
+        <!-- 侧滑浮层面板 (仅文稿页) -->
+        <DocumentVersionPanel 
+          v-if="currentPage === 'documents'"
+          :visible="showVersionPanel"
+          :document-id="selectedDocumentId"
+          :current-content="selectedDocumentContent"
+          @close="showVersionPanel = false"
+          @restore="handleVersionRestore"
+        />
+      </template>
+    </main>
   </div>
 </template>
 
 <script setup>
 import { ref, computed } from 'vue'
 import { useAppStore } from './stores/app'
+import GlobalSidebar from './components/GlobalSidebar.vue'
 import WriterPanel from './components/WriterPanel.vue'
 import AnalysisPanel from './components/AnalysisPanel.vue'
 import DocumentsPanel from './components/DocumentsPanel.vue'
@@ -43,6 +56,8 @@ import SettingsPanel from './components/SettingsPanel.vue'
 import MainContent from './components/MainContent.vue'
 import ComparePanel from './components/ComparePanel.vue'
 import DocumentVersionPanel from './components/DocumentVersionPanel.vue'
+import DiffAnnotationPanel from './components/DiffAnnotationPanel.vue'
+import ArticleRewritePanel from './components/ArticleRewritePanel.vue'
 
 const appStore = useAppStore()
 const currentPage = computed(() => appStore.currentPage)
@@ -72,3 +87,4 @@ const handleVersionRestore = (content) => {
   }
 }
 </script>
+
diff --git a/src/components/ArticleRewritePanel.vue b/src/components/ArticleRewritePanel.vue
new file mode 100644
index 0000000..a996ba3
--- /dev/null
+++ b/src/components/ArticleRewritePanel.vue
@@ -0,0 +1,755 @@
+<template>
+  <div class="h-screen w-full flex flex-col bg-slate-900">
+    <!-- 头部 -->
+    <header class="p-4 border-b border-slate-700 bg-slate-800 flex items-center justify-between shrink-0">
+      <div class="flex items-center gap-4">
+        <h1 class="font-bold text-lg text-white flex items-center gap-2">
+          <span class="text-2xl">🎨</span> 范式润色
+        </h1>
+        <span class="text-xs text-slate-500">基于范式规则检查并重写文章句子</span>
+      </div>
+      <button 
+        @click="goBack"
+        class="text-xs px-3 py-1.5 rounded bg-slate-700 text-slate-300 hover:bg-slate-600 transition"
+      >
+        ← 返回写作
+      </button>
+    </header>
+
+    <!-- 范式选择条 -->
+    <div class="px-4 py-2 bg-indigo-900/30 border-b border-indigo-700/50 flex items-center justify-between shrink-0">
+      <div class="flex items-center gap-3">
+        <span class="text-indigo-400 text-sm">📚 当前范式：</span>
+        <span v-if="selectedParadigm" class="text-white text-sm font-medium flex items-center gap-1">
+          {{ selectedParadigm.icon }} {{ selectedParadigm.name }}
+        </span>
+        <span v-else class="text-slate-400 text-sm">未选择</span>
+      </div>
+      <button 
+        @click="showParadigmSelector = true"
+        class="text-xs px-3 py-1 rounded bg-indigo-600 text-white hover:bg-indigo-500 transition"
+      >
+        {{ selectedParadigm ? '切换范式' : '选择范式' }}
+      </button>
+    </div>
+
+    <!-- 主体内容区：三栏布局 -->
+    <div class="flex-1 flex overflow-hidden">
+      <!-- 左侧：原文区 -->
+      <div class="w-[35%] flex flex-col border-r border-slate-700 min-w-0">
+        <div class="p-3 bg-slate-800 border-b border-slate-700 flex items-center justify-between">
+          <h2 class="text-sm font-medium text-amber-400 flex items-center gap-2">
+            📄 原文区
+          </h2>
+          <div class="flex items-center gap-2">
+            <span class="text-xs text-slate-500">{{ sentences.length }} 句</span>
+            <span v-if="selectedSentenceIdxs.length > 0" class="text-xs text-amber-400">
+              已选 {{ selectedSentenceIdxs.length }} 句
+            </span>
+            <!-- 全选/反选按钮 -->
+            <div v-if="sentences.length > 0" class="flex gap-1 ml-2">
+              <button
+                @click="selectAllOriginal"
+                class="text-xs px-2 py-0.5 rounded bg-amber-700/50 text-amber-200 hover:bg-amber-600/50 transition"
+              >全选</button>
+              <button
+                @click="invertOriginalSelection"
+                class="text-xs px-2 py-0.5 rounded bg-slate-700 text-slate-300 hover:bg-slate-600 transition"
+              >反选</button>
+            </div>
+            <!-- 保存按钮 -->
+            <button
+              v-if="articleSourceType === 'document' && sourceDocId && hasContentChanged"
+              @click="saveToDocument"
+              :disabled="isSaving"
+              class="text-xs px-2 py-0.5 rounded bg-green-600 text-white hover:bg-green-500 transition flex items-center gap-1 disabled:opacity-50"
+            >
+              <span v-if="isSaving" class="animate-spin">↻</span>
+              <span>💾 {{ isSaving ? '保存中...' : '保存' }}</span>
+            </button>
+          </div>
+        </div>
+        <!-- 来源选择器 -->
+        <div class="px-3 py-2 bg-slate-800/50 border-b border-slate-700 flex items-center gap-2">
+          <span class="text-xs text-slate-500">来源：</span>
+          <div class="flex bg-slate-900 rounded p-0.5 border border-slate-700">
+            <button
+              @click="articleSourceType = 'paste'"
+              :class="['text-xs px-2 py-0.5 rounded transition',
+                articleSourceType === 'paste' ? 'bg-amber-600 text-white' : 'text-slate-400 hover:text-white']"
+            >粘贴</button>
+            <button
+              @click="showDocSelector = true"
+              :class="['text-xs px-2 py-0.5 rounded transition',
+                articleSourceType === 'document' ? 'bg-amber-600 text-white' : 'text-slate-400 hover:text-white']"
+            >文稿库</button>
+          </div>
+          <span v-if="articleSourceType === 'document' && sourceDocTitle" class="text-xs text-amber-400 ml-2">
+            📄 {{ sourceDocTitle }}
+          </span>
+        </div>
+        <!-- 连续文本流 -->
+        <div class="flex-1 overflow-y-auto p-4 min-h-0">
+          <div v-if="sentences.length === 0" class="h-full flex items-center justify-center">
+            <div class="text-center">
+              <span class="text-4xl opacity-20 block mb-2">📝</span>
+              <p class="text-slate-600 text-sm">请在下方输入或粘贴文章内容</p>
+            </div>
+          </div>
+          <!-- 连续文本展示，句子用 inline span -->
+          <div v-else class="bg-slate-800/30 rounded-lg p-4 border border-slate-700 leading-relaxed">
+            <template v-for="(sentence, idx) in sentences" :key="'s-' + idx">
+              <span
+                @click="toggleSentence(idx)"
+                :class="[
+                  'cursor-pointer transition-all rounded px-0.5 py-0.5 hover:bg-amber-900/30',
+                  selectedSentenceIdxs.includes(idx) 
+                    ? 'bg-amber-500/40 text-amber-100 ring-1 ring-amber-400' 
+                    : 'text-slate-300 hover:text-amber-200'
+                ]"
+              >{{ sentence.text }}</span>
+            </template>
+          </div>
+          <!-- 提示文字 -->
+          <p v-if="sentences.length > 0" class="text-xs text-slate-500 mt-3 text-center">
+            💡 点击句子可选中/取消，选中的句子将被检查
+          </p>
+        </div>
+        <!-- 输入框 -->
+        <div class="p-3 border-t border-slate-700 bg-slate-800">
+          <textarea 
+            v-model="articleContent"
+            class="w-full h-24 bg-slate-900 border border-slate-700 rounded-lg p-3 text-sm focus:ring-2 focus:ring-amber-500 focus:border-transparent outline-none resize-none"
+            placeholder="粘贴或输入文章内容..."
+            @input="splitToSentences"
+          ></textarea>
+        </div>
+      </div>
+
+      <!-- 中间：检查结果 -->
+      <div class="w-[30%] flex flex-col border-r border-slate-700 min-w-0">
+        <div class="p-3 bg-slate-800 border-b border-slate-700">
+          <h2 class="text-sm font-medium text-blue-400 flex items-center gap-2">
+            🔍 检查结果
+          </h2>
+        </div>
+        <div class="flex-1 overflow-y-auto p-4 space-y-3 min-h-0">
+          <div v-if="!isChecking && checkResults.length === 0" class="h-full flex items-center justify-center">
+            <div class="text-center">
+              <span class="text-4xl opacity-20 block mb-2">📋</span>
+              <p class="text-slate-600 text-sm">选中句子后点击「范式检查」</p>
+            </div>
+          </div>
+          <!-- 检查中状态 -->
+          <div v-if="isChecking" class="flex items-center gap-2 text-blue-300">
+            <span class="animate-spin">↻</span>
+            <span class="text-sm">AI 正在检查中...</span>
+          </div>
+          <!-- 检查结果列表 -->
+          <div 
+            v-for="(result, idx) in checkResults" 
+            :key="'check-' + idx"
+            :class="[
+              'p-3 rounded-lg border',
+              result.status === 'pass' ? 'bg-green-900/20 border-green-700/50' :
+              result.status === 'warning' ? 'bg-yellow-900/20 border-yellow-700/50' :
+              'bg-red-900/20 border-red-700/50'
+            ]"
+          >
+            <div class="flex items-start gap-2">
+              <span class="text-lg">
+                {{ result.status === 'pass' ? '✅' : result.status === 'warning' ? '⚠️' : '❌' }}
+              </span>
+              <div class="flex-1 min-w-0">
+                <p class="text-xs text-slate-400 mb-1">句子 {{ result.sentenceIdx + 1 }}</p>
+                <p class="text-sm text-slate-200">{{ result.message }}</p>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <!-- 右侧：重写预览 -->
+      <div class="flex-1 flex flex-col min-w-0">
+        <div class="p-3 bg-slate-800 border-b border-slate-700 flex items-center justify-between">
+          <h2 class="text-sm font-medium text-emerald-400 flex items-center gap-2">
+            ✨ 重写预览
+          </h2>
+          <div class="flex items-center gap-2">
+            <span class="text-xs text-slate-500">{{ rewrittenSentences.length }} 句</span>
+            <span v-if="selectedRewriteIdxs.length > 0" class="text-xs text-emerald-400">
+              已选 {{ selectedRewriteIdxs.length }} 句
+            </span>
+            <!-- 全选/反选按钮 -->
+            <div v-if="rewrittenSentences.length > 0" class="flex gap-1 ml-2">
+              <button
+                @click="selectAllRewrite"
+                class="text-xs px-2 py-0.5 rounded bg-emerald-700/50 text-emerald-200 hover:bg-emerald-600/50 transition"
+              >全选</button>
+              <button
+                @click="invertRewriteSelection"
+                class="text-xs px-2 py-0.5 rounded bg-slate-700 text-slate-300 hover:bg-slate-600 transition"
+              >反选</button>
+              <!-- 复检按钮：对重写内容再次检查 -->
+              <button
+                @click="recheckRewrittenContent"
+                :disabled="selectedRewriteIdxs.length === 0 || isChecking"
+                class="text-xs px-2 py-0.5 rounded bg-purple-600 text-white hover:bg-purple-500 transition disabled:opacity-50"
+                title="对选中的重写内容再次进行范式检查"
+              >🔄 复检</button>
+            </div>
+          </div>
+        </div>
+        <div class="flex-1 overflow-y-auto p-4 min-h-0">
+          <div v-if="!isRewriting && rewrittenSentences.length === 0" class="h-full flex items-center justify-center">
+            <div class="text-center">
+              <span class="text-4xl opacity-20 block mb-2">✨</span>
+              <p class="text-slate-600 text-sm">检查完成后点击「AI 重写」</p>
+            </div>
+          </div>
+          <!-- 重写中状态 -->
+          <div v-if="isRewriting" class="flex flex-col gap-2">
+            <div class="flex items-center gap-2 text-emerald-300">
+              <span class="animate-spin">↻</span>
+              <span class="text-sm">AI 正在重写中...</span>
+            </div>
+            <div v-if="rewriteStreamContent" class="bg-slate-800/50 rounded-lg p-3 border border-slate-700">
+              <p class="text-sm text-slate-200 whitespace-pre-wrap">{{ rewriteStreamContent }}</p>
+            </div>
+          </div>
+          <!-- 连续文本展示，句子用 inline span -->
+          <div v-else-if="rewrittenSentences.length > 0" class="bg-slate-800/30 rounded-lg p-4 border border-slate-700 leading-relaxed">
+            <template v-for="(sentence, idx) in rewrittenSentences" :key="'rw-' + idx">
+              <span
+                @click="toggleRewriteSentence(idx)"
+                :class="[
+                  'cursor-pointer transition-all rounded px-0.5 py-0.5 hover:bg-emerald-900/30',
+                  selectedRewriteIdxs.includes(idx) 
+                    ? 'bg-emerald-500/40 text-emerald-100 ring-1 ring-emerald-400' 
+                    : 'text-slate-200 hover:text-emerald-200'
+                ]"
+              >{{ sentence.text }}</span>
+            </template>
+          </div>
+          <!-- 提示文字 -->
+          <p v-if="rewrittenSentences.length > 0" class="text-xs text-slate-500 mt-3 text-center">
+            💡 点击句子可选中/取消，选中的句子将替换原文
+          </p>
+        </div>
+      </div>
+    </div>
+
+    <!-- 底部操作区 -->
+    <footer class="p-4 bg-slate-800 border-t border-slate-700 shrink-0">
+      <div class="flex items-center justify-between gap-4">
+        <!-- 左侧：状态提示 -->
+        <div class="flex-1 text-sm text-slate-500">
+          <span v-if="selectedSentenceIdxs.length === 0">请先在左侧选择要检查的句子</span>
+          <span v-else-if="!selectedParadigm">请选择一个写作范式</span>
+          <span v-else-if="checkResults.length === 0">准备就绪，点击「范式检查」开始</span>
+          <span v-else-if="rewrittenSentences.length === 0">检查完成，可点击「AI 重写」</span>
+          <span v-else>选择满意的重写句子，点击「应用替换」</span>
+        </div>
+
+        <!-- 右侧：操作按钮 -->
+        <div class="flex gap-2 shrink-0">
+          <button
+            @click="clearSelection"
+            class="px-4 py-2 rounded-lg text-sm bg-slate-700 text-slate-300 hover:bg-slate-600 transition"
+          >
+            清空选择
+          </button>
+          <button
+            @click="runParadigmCheck"
+            :disabled="!canCheck || isChecking"
+            class="px-4 py-2 rounded-lg text-sm font-medium text-white transition disabled:opacity-50 disabled:cursor-not-allowed bg-blue-600 hover:bg-blue-500"
+          >
+            <span v-if="isChecking" class="flex items-center gap-2">
+              <span class="animate-spin">↻</span> 检查中...
+            </span>
+            <span v-else>🔍 范式检查</span>
+          </button>
+          <button
+            @click="runAIRewrite"
+            :disabled="!canRewrite || isRewriting"
+            class="px-4 py-2 rounded-lg text-sm font-medium text-white transition disabled:opacity-50 disabled:cursor-not-allowed bg-purple-600 hover:bg-purple-500"
+          >
+            <span v-if="isRewriting" class="flex items-center gap-2">
+              <span class="animate-spin">↻</span> 重写中...
+            </span>
+            <span v-else>✨ AI 重写</span>
+          </button>
+          <button
+            @click="applySelectedRewrites"
+            :disabled="!canApply"
+            class="px-4 py-2 rounded-lg text-sm font-medium text-white transition disabled:opacity-50 disabled:cursor-not-allowed bg-gradient-to-r from-amber-600 to-emerald-600 hover:from-amber-500 hover:to-emerald-500"
+          >
+            🔄 应用替换
+          </button>
+        </div>
+      </div>
+    </footer>
+
+    <!-- 范式选择弹窗 -->
+    <ParadigmSelectorModal
+      :visible="showParadigmSelector"
+      @close="showParadigmSelector = false"
+      @select="handleParadigmSelect"
+    />
+
+    <!-- 文稿选择弹窗 -->
+    <DocumentSelectorModal
+      :visible="showDocSelector"
+      @close="showDocSelector = false"
+      @select="handleDocSelect"
+    />
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, watch } from 'vue'
+import { useAppStore } from '../stores/app'
+import { splitIntoSentencesWithPosition, computeDiff } from '../utils/textDiff'
+import { updateDocument, saveDocumentVersion } from '../db/index.js'
+import ParadigmSelectorModal from './ParadigmSelectorModal.vue'
+import DocumentSelectorModal from './DocumentSelectorModal.vue'
+
+const appStore = useAppStore()
+
+// ========== 数据状态 ==========
+// 原文相关
+const articleContent = ref('')
+const articleSourceType = ref('paste')  // 'paste' | 'document'
+const sourceDocId = ref(null)
+const sourceDocTitle = ref('')
+const sentences = ref([])  // 拆分后的句子 {text, start, end}
+const selectedSentenceIdxs = ref([])
+
+// 范式相关
+const selectedParadigm = ref(null)
+const showParadigmSelector = ref(false)
+
+// 文稿选择
+const showDocSelector = ref(false)
+
+// 检查相关
+const isChecking = ref(false)
+const checkResults = ref([])  // {sentenceIdx, status, message}
+
+// 重写相关
+const isRewriting = ref(false)
+const rewriteStreamContent = ref('')
+const rewrittenSentences = ref([])  // {text, start, end}
+const selectedRewriteIdxs = ref([])
+
+// 保存相关
+const isSaving = ref(false)
+const originalContent = ref('')  // 初始内容，用于判断是否有更改
+
+// ========== 计算属性 ==========
+const canCheck = computed(() => {
+  return selectedSentenceIdxs.value.length > 0 && selectedParadigm.value !== null
+})
+
+const canRewrite = computed(() => {
+  return checkResults.value.length > 0 && selectedParadigm.value !== null
+})
+
+const canApply = computed(() => {
+  return selectedRewriteIdxs.value.length > 0 && selectedSentenceIdxs.value.length > 0
+})
+
+// 判断内容是否有更改
+const hasContentChanged = computed(() => {
+  return articleContent.value !== originalContent.value && originalContent.value !== ''
+})
+
+// ========== 方法 ==========
+
+// 返回上一页
+const goBack = () => {
+  appStore.setCurrentPage('writer')
+}
+
+// 拆分文章为句子
+const splitToSentences = () => {
+  sentences.value = splitIntoSentencesWithPosition(articleContent.value)
+  // 清空之前的选择和结果
+  selectedSentenceIdxs.value = []
+  checkResults.value = []
+  rewrittenSentences.value = []
+  selectedRewriteIdxs.value = []
+}
+
+// 切换句子选中状态
+const toggleSentence = (idx) => {
+  const index = selectedSentenceIdxs.value.indexOf(idx)
+  if (index === -1) {
+    selectedSentenceIdxs.value.push(idx)
+  } else {
+    selectedSentenceIdxs.value.splice(index, 1)
+  }
+}
+
+// 切换重写句子选中状态
+const toggleRewriteSentence = (idx) => {
+  const index = selectedRewriteIdxs.value.indexOf(idx)
+  if (index === -1) {
+    selectedRewriteIdxs.value.push(idx)
+  } else {
+    selectedRewriteIdxs.value.splice(index, 1)
+  }
+}
+
+// 处理范式选择
+const handleParadigmSelect = (paradigm) => {
+  selectedParadigm.value = paradigm
+  showParadigmSelector.value = false
+}
+
+// 处理文稿选择
+const handleDocSelect = (doc) => {
+  if (doc && doc.content) {
+    articleContent.value = doc.content
+    originalContent.value = doc.content  // 记录原始内容用于差异检测
+    articleSourceType.value = 'document'
+    sourceDocId.value = doc.id
+    sourceDocTitle.value = doc.title
+    splitToSentences()
+  }
+  showDocSelector.value = false
+}
+
+// 执行范式检查
+const runParadigmCheck = async () => {
+  if (!canCheck.value) return
+
+  isChecking.value = true
+  checkResults.value = []
+
+  try {
+    // 获取选中的句子文本
+    const selectedSentences = selectedSentenceIdxs.value
+      .sort((a, b) => a - b)
+      .map(idx => sentences.value[idx])
+
+    // 构建检查 Prompt
+    const paradigmPrompt = selectedParadigm.value.specializedPrompt || ''
+    const guidelinesText = (selectedParadigm.value.expertGuidelines || [])
+      .map((g, i) => `${i + 1}. 【${g.title}】${g.description}`)
+      .join('\n')
+
+    const checkPrompt = `你是一个写作质量检查专家。请基于以下范式规则和专家指令，逐条检查给定的句子。
+
+# 范式规则
+${paradigmPrompt}
+
+# 专家检查项
+${guidelinesText || '（无特定检查项）'}
+
+# 待检查的句子
+${selectedSentences.map((s, i) => `${i + 1}. ${s.text}`).join('\n')}
+
+# 输出要求
+请严格按照以下 JSON 格式输出检查结果（仅输出 JSON，不要其他内容）：
+{
+  "results": [
+    {"sentenceIdx": 0, "status": "pass|warning|fail", "message": "评价说明"}
+  ]
+}`
+
+    let fullResponse = ''
+    await appStore.callApi(checkPrompt, (chunk) => {
+      fullResponse += chunk
+    }, { temperature: 0.3 })
+
+    // 解析结果
+    try {
+      const jsonMatch = fullResponse.match(/\{[\s\S]*\}/)
+      if (jsonMatch) {
+        const parsed = JSON.parse(jsonMatch[0])
+        // 映射回原始句子索引
+        checkResults.value = (parsed.results || []).map((r, i) => ({
+          sentenceIdx: selectedSentenceIdxs.value[r.sentenceIdx] ?? selectedSentenceIdxs.value[i],
+          status: r.status || 'warning',
+          message: r.message || '检查完成'
+        }))
+      }
+    } catch (e) {
+      console.warn('检查结果解析失败:', e)
+      // 降级：为每个句子生成通用结果
+      checkResults.value = selectedSentenceIdxs.value.map((idx) => ({
+        sentenceIdx: idx,
+        status: 'warning',
+        message: '解析异常，建议人工复核'
+      }))
+    }
+  } catch (error) {
+    console.error('范式检查失败:', error)
+    alert('检查失败: ' + error.message)
+  } finally {
+    isChecking.value = false
+  }
+}
+
+// 执行 AI 重写
+const runAIRewrite = async () => {
+  if (!canRewrite.value) return
+
+  isRewriting.value = true
+  rewriteStreamContent.value = ''
+  rewrittenSentences.value = []
+  selectedRewriteIdxs.value = []
+
+  try {
+    // 获取选中的句子和检查结果
+    const selectedSentences = selectedSentenceIdxs.value
+      .sort((a, b) => a - b)
+      .map(idx => sentences.value[idx])
+
+    const checkResultsText = checkResults.value
+      .map(r => `句子${r.sentenceIdx + 1}: ${r.status} - ${r.message}`)
+      .join('\n')
+
+    // 构建重写 Prompt
+    const paradigmPrompt = selectedParadigm.value.specializedPrompt || ''
+
+    const rewritePrompt = `你是一个专业的写作润色专家。请基于以下范式规则和检查结果，重写给定的句子。
+
+# 范式规则
+${paradigmPrompt}
+
+# 检查结果
+${checkResultsText}
+
+# 原句
+${selectedSentences.map((s, i) => `${i + 1}. ${s.text}`).join('\n')}
+
+# 输出要求
+请直接按照顺序输出重写后的句子，每句一行，格式如下（仅输出重写内容，不要其他说明）：
+1. 重写后的句子1
+2. 重写后的句子2
+...`
+
+    let fullResponse = ''
+    await appStore.callApi(rewritePrompt, (chunk) => {
+      fullResponse += chunk
+      // 实时显示时尝试提取 draft 内容
+      const draftMatch = fullResponse.match(/<draft>([\s\S]*?)(?:<\/draft>|$)/)
+      if (draftMatch) {
+        rewriteStreamContent.value = draftMatch[1].trim()
+      } else {
+        // 如果还没有 draft 标签，显示完整内容（可能在 thinking 阶段）
+        rewriteStreamContent.value = fullResponse
+      }
+    }, { temperature: 0.7 })
+
+    // 解析重写结果：提取 <draft> 标签内的内容
+    let contentToParse = fullResponse
+    const draftMatch = fullResponse.match(/<draft>([\s\S]*?)<\/draft>/)
+    if (draftMatch) {
+      contentToParse = draftMatch[1].trim()
+    }
+
+    // 按行拆分并处理
+    const lines = contentToParse.split('\n').filter(line => line.trim())
+    rewrittenSentences.value = lines.map((line, i) => {
+      // 移除行首的序号
+      const text = line.replace(/^\d+\.\s*/, '').trim()
+      return { text, start: 0, end: text.length }
+    }).filter(s => s.text) // 过滤空行
+
+  } catch (error) {
+    console.error('AI 重写失败:', error)
+    alert('重写失败: ' + error.message)
+  } finally {
+    isRewriting.value = false
+    rewriteStreamContent.value = ''
+  }
+}
+
+// 应用选中的重写
+const applySelectedRewrites = () => {
+  if (!canApply.value) return
+
+  // 获取选中的原句索引（排序）
+  const sortedOrigIdxs = [...selectedSentenceIdxs.value].sort((a, b) => b - a)
+  // 获取选中的重写索引（排序）
+  const sortedRewriteIdxs = [...selectedRewriteIdxs.value].sort((a, b) => a - b)
+
+  // 从后往前替换，避免位置偏移
+  let newContent = articleContent.value
+  const minLen = Math.min(sortedOrigIdxs.length, sortedRewriteIdxs.length)
+
+  for (let i = 0; i < minLen; i++) {
+    const origIdx = sortedOrigIdxs[i]
+    const rewriteIdx = sortedRewriteIdxs[minLen - 1 - i]
+
+    const origSentence = sentences.value[origIdx]
+    const rewriteSentence = rewrittenSentences.value[rewriteIdx]
+
+    if (origSentence && rewriteSentence) {
+      newContent = newContent.slice(0, origSentence.start) + 
+                   rewriteSentence.text + 
+                   newContent.slice(origSentence.end)
+    }
+  }
+
+  // 更新内容并重新拆分
+  articleContent.value = newContent
+  splitToSentences()
+
+  // 提示完成
+  alert(`已替换 ${minLen} 个句子`)
+}
+
+// 清空选择
+const clearSelection = () => {
+  selectedSentenceIdxs.value = []
+  selectedRewriteIdxs.value = []
+  checkResults.value = []
+  rewrittenSentences.value = []
+}
+
+// 监听内容变化自动拆分
+watch(articleContent, () => {
+  if (articleSourceType.value === 'paste') {
+    splitToSentences()
+  }
+}, { immediate: false })
+
+// ========== 全选/反选方法 ==========
+
+// 原文区全选
+const selectAllOriginal = () => {
+  selectedSentenceIdxs.value = sentences.value.map((_, idx) => idx)
+}
+
+// 原文区反选
+const invertOriginalSelection = () => {
+  const allIdxs = sentences.value.map((_, idx) => idx)
+  selectedSentenceIdxs.value = allIdxs.filter(idx => !selectedSentenceIdxs.value.includes(idx))
+}
+
+// 重写预览区全选
+const selectAllRewrite = () => {
+  selectedRewriteIdxs.value = rewrittenSentences.value.map((_, idx) => idx)
+}
+
+// 重写预览区反选
+const invertRewriteSelection = () => {
+  const allIdxs = rewrittenSentences.value.map((_, idx) => idx)
+  selectedRewriteIdxs.value = allIdxs.filter(idx => !selectedRewriteIdxs.value.includes(idx))
+}
+
+// ========== 保存方法 ==========
+
+// 保存到文稿库
+const saveToDocument = async () => {
+  if (!sourceDocId.value || !hasContentChanged.value) return
+  
+  isSaving.value = true
+  try {
+    // 计算差异
+    const diff = computeDiff(originalContent.value, articleContent.value)
+    const changedCount = diff.filter(d => d.type !== 'unchanged').length
+    
+    // 保存版本历史
+    const changeNote = `范式润色：修改了 ${changedCount} 处`
+    saveDocumentVersion(sourceDocId.value, articleContent.value, changeNote)
+    
+    // 更新文稿内容
+    updateDocument(sourceDocId.value, {
+      content: articleContent.value
+    })
+    
+    // 更新原始内容基准
+    originalContent.value = articleContent.value
+    
+    alert(`保存成功！修改了 ${changedCount} 处，已创建新版本。`)
+  } catch (error) {
+    console.error('保存失败:', error)
+    alert('保存失败: ' + error.message)
+  } finally {
+    isSaving.value = false
+  }
+}
+
+// ========== 复检方法 ==========
+
+// 对重写内容再次进行范式检查
+const recheckRewrittenContent = async () => {
+  if (selectedRewriteIdxs.value.length === 0 || !selectedParadigm.value) {
+    alert('请先在重写预览区选中要复检的句子')
+    return
+  }
+
+  isChecking.value = true
+  checkResults.value = []
+
+  try {
+    // 获取选中的重写句子
+    const selectedSentences = selectedRewriteIdxs.value
+      .sort((a, b) => a - b)
+      .map(idx => rewrittenSentences.value[idx])
+
+    // 构建检查 Prompt
+    const paradigmPrompt = selectedParadigm.value.specializedPrompt || ''
+    const guidelinesText = (selectedParadigm.value.expertGuidelines || [])
+      .map((g, i) => `${i + 1}. 【${g.title}】${g.description}`)
+      .join('\n')
+
+    const checkPrompt = `你是一个写作质量检查专家。请基于以下范式规则和专家指令，逐条检查给定的句子。
+
+# 范式规则
+${paradigmPrompt}
+
+# 专家检查项
+${guidelinesText || '（无特定检查项）'}
+
+# 待检查的句子（重写后的内容）
+${selectedSentences.map((s, i) => `${i + 1}. ${s.text}`).join('\n')}
+
+# 输出要求
+请严格按照以下 JSON 格式输出检查结果（仅输出 JSON，不要其他内容）：
+{
+  "results": [
+    {"sentenceIdx": 0, "status": "pass|warning|fail", "message": "评价说明"}
+  ]
+}`
+
+    let fullResponse = ''
+    await appStore.callApi(checkPrompt, (chunk) => {
+      fullResponse += chunk
+    }, { temperature: 0.3 })
+
+    // 解析结果
+    try {
+      const jsonMatch = fullResponse.match(/\{[\s\S]*\}/)
+      if (jsonMatch) {
+        const parsed = JSON.parse(jsonMatch[0])
+        // 映射回重写句子索引，并标记为「复检」
+        checkResults.value = (parsed.results || []).map((r, i) => ({
+          sentenceIdx: selectedRewriteIdxs.value[r.sentenceIdx] ?? selectedRewriteIdxs.value[i],
+          status: r.status || 'warning',
+          message: `[复检] ${r.message || '检查完成'}`,
+          isRecheck: true  // 标记为复检结果
+        }))
+      }
+    } catch (e) {
+      console.warn('检查结果解析失败:', e)
+      checkResults.value = selectedRewriteIdxs.value.map((idx) => ({
+        sentenceIdx: idx,
+        status: 'warning',
+        message: '[复检] 解析异常，建议人工复核',
+        isRecheck: true
+      }))
+    }
+  } catch (error) {
+    console.error('复检失败:', error)
+    alert('复检失败: ' + error.message)
+  } finally {
+    isChecking.value = false
+  }
+}
+</script>
diff --git a/src/components/GlobalSidebar.vue b/src/components/GlobalSidebar.vue
new file mode 100644
index 0000000..251ff68
--- /dev/null
+++ b/src/components/GlobalSidebar.vue
@@ -0,0 +1,80 @@
+<template>
+  <aside class="w-16 h-screen flex flex-col items-center py-6 bg-slate-900 border-r border-slate-800 shrink-0 z-50">
+    <!-- Logo/Home -->
+    <div class="mb-8 text-2xl filter drop-shadow-[0_0_8px_rgba(59,130,246,0.5)]">
+      🚀
+    </div>
+
+    <!-- 导航项 -->
+    <nav class="flex-1 w-full flex flex-col items-center gap-4">
+      <button 
+        v-for="item in navItems" 
+        :key="item.id"
+        @click="switchPage(item.id)"
+        :class="[
+          'group relative w-12 h-12 rounded-xl flex items-center justify-center transition-all duration-300',
+          currentPage === item.id 
+            ? 'bg-blue-600 text-white shadow-[0_0_15px_rgba(37,99,235,0.4)]' 
+            : 'text-slate-500 hover:bg-slate-800 hover:text-slate-300'
+        ]"
+        :title="item.label"
+      >
+        <span class="text-xl">{{ item.icon }}</span>
+        
+        <!-- Tooltip -->
+        <div class="absolute left-full ml-3 px-2 py-1 bg-slate-800 text-white text-xs rounded opacity-0 invisible group-hover:opacity-100 group-hover:visible transition-all whitespace-nowrap z-50 shadow-xl border border-slate-700 pointer-events-none">
+          {{ item.label }}
+          <div class="absolute left-[-4px] top-1/2 -translate-y-1/2 w-2 h-2 bg-slate-800 border-l border-b border-slate-700 rotate-45"></div>
+        </div>
+
+        <!-- Active Indicator -->
+        <div 
+          v-if="currentPage === item.id"
+          class="absolute -left-0 w-1 h-6 bg-blue-400 rounded-r-full"
+        ></div>
+      </button>
+    </nav>
+
+    <!-- 底部：设置 -->
+    <div class="mt-auto">
+      <button 
+        @click="switchPage('settings')"
+        :class="[
+          'group relative w-12 h-12 rounded-xl flex items-center justify-center transition-all duration-300',
+          currentPage === 'settings' 
+            ? 'bg-slate-700 text-white' 
+            : 'text-slate-500 hover:bg-slate-800 hover:text-slate-300'
+        ]"
+        title="设置"
+      >
+        <span class="text-xl">⚙️</span>
+        <div class="absolute left-full ml-3 px-2 py-1 bg-slate-800 text-white text-xs rounded opacity-0 invisible group-hover:opacity-100 group-hover:visible transition-all whitespace-nowrap z-50 shadow-xl border border-slate-700 pointer-events-none">
+          设置
+          <div class="absolute left-[-4px] top-1/2 -translate-y-1/2 w-2 h-2 bg-slate-800 border-l border-b border-slate-700 rotate-45"></div>
+        </div>
+      </button>
+    </div>
+  </aside>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+import { useAppStore } from '../stores/app'
+
+const appStore = useAppStore()
+const currentPage = computed(() => appStore.currentPage)
+
+const navItems = [
+  { id: 'writer', label: 'AI 写作', icon: '✍️' },
+  { id: 'analysis', label: '范式库', icon: '🎯' },
+  { id: 'documents', label: '文稿库', icon: '📂' },
+  { id: 'materials', label: '素材库', icon: '📚' },
+  { id: 'rewrite', label: '范式润色', icon: '🎨' },
+  { id: 'compare', label: '对照检查', icon: '🔍' },
+  { id: 'diffAnnotation', label: '差异标注', icon: '📊' }
+]
+
+const switchPage = (page) => {
+  appStore.setCurrentPage(page)
+}
+</script>