diff --git a/src/assets/styles/teacher-light.scss b/src/assets/styles/teacher-light.scss
index 710e10e..4c6fd7b 100644
--- a/src/assets/styles/teacher-light.scss
+++ b/src/assets/styles/teacher-light.scss
@@ -1572,7 +1572,9 @@ body.teacher-light-mode {
   // ===== 弹窗（teacher-dialog / admin-edit-dialog / platform-admin-dialog：扁平纯白 + 教育风令牌）=====
   .teacher-dialog,
   .admin-edit-dialog,
-  .platform-admin-dialog {
+  .platform-admin-dialog,
+  .question-editor-dialog,
+  .question-ai-dialog {
     // dialog 作用域内重设 EP CSS 变量，防止 html.dark 的 --el-color-primary:#00aaff 污染
     --el-color-primary: #3b82f6;
     --el-color-primary-light-3: #60a5fa;
@@ -1853,6 +1855,46 @@ body.teacher-light-mode {
     }
   }
 
+  // ===== 超管题库管理弹窗（question-editor-dialog / question-ai-dialog）=====
+  // 继承上方 platform-admin-dialog 的颜色/令牌规则，但覆盖 flex 布局，
+  // 保持原有弹窗排版（不强制 flex 列布局，避免内部自定义网格被挤压）
+  .question-editor-dialog,
+  .question-ai-dialog {
+    display: block !important;
+    background: #ffffff !important;
+    border: 1px solid #e5e7eb !important;
+    border-radius: 12px !important;
+    box-shadow: 0 20px 56px rgba(30, 60, 100, 0.12) !important;
+    overflow: visible !important;
+
+    .el-dialog__header {
+      background: #ffffff !important;
+      border-bottom: 1px solid #e5e7eb;
+      padding: 16px 20px 12px;
+
+      .el-dialog__title {
+        color: #1f2937 !important;
+      }
+
+      .el-dialog__close {
+        color: #9ca3af !important;
+      }
+    }
+
+    .el-dialog__body {
+      background: #ffffff !important;
+      color: #1f2937;
+      padding: 20px;
+      overflow: visible;
+    }
+
+    .el-dialog__footer {
+      background: #ffffff !important;
+      border-top: 1px solid #e5e7eb;
+      padding: 12px 20px;
+    }
+  }
+
   // 弹窗遮罩层：中灰半透明、无 blur、不影响内容清晰度
   // 注：遮罩层在 body 下（teleport），用 body.teacher-light-mode 命中
   .el-overlay {
diff --git a/src/views/components/TrainingMaterialButton.vue b/src/views/components/TrainingMaterialButton.vue
index 5c9d780..3e3f86e 100644
--- a/src/views/components/TrainingMaterialButton.vue
+++ b/src/views/components/TrainingMaterialButton.vue
@@ -11,20 +11,20 @@
                 <Download />
             </el-icon>案例资料
         </el-button>
-        <el-button v-if="trainingData" class="material-button" @click="downloadMaterial(trainingData, '案例视频')">
+        <el-button v-if="trainingData" class="material-button" @click="downloadMaterial(trainingData, '案例数据')">
             <el-icon>
                 <Download />
-            </el-icon>案例视频
+            </el-icon>案例数据
         </el-button>
         <el-button v-if="guideManual" class="material-button" @click="downloadMaterial(guideManual, '实训指导手册')">
             <el-icon>
                 <Download />
             </el-icon>实训指导手册
         </el-button>
-        <el-button v-if="aiManual" class="material-button" @click="downloadMaterial(aiManual, 'AI排错指导手册')">
+        <el-button v-if="aiManual" class="material-button" @click="downloadMaterial(aiManual, 'AI辅助指导手册')">
             <el-icon>
                 <Download />
-            </el-icon>AI排错指导手册
+            </el-icon>AI辅助指导手册
         </el-button>
     </div>
 
@@ -46,13 +46,13 @@ const props = defineProps({
     materialUrl: { type: String, default: "" },
     caseMaterialName: { type: String, default: "" },
     caseMaterialUrl: { type: String, default: "" },
-    // 案例视频（内部字段沿用 trainingData 命名）
+    // 案例数据（内部字段沿用 trainingData 命名）
     trainingDataName: { type: String, default: "" },
     trainingDataUrl: { type: String, default: "" },
     // 实训指导手册
     guideManualName: { type: String, default: "" },
     guideManualUrl: { type: String, default: "" },
-    // AI 排错指导手册（内部字段沿用 aiManual 命名）
+    // AI 辅助指导手册（内部字段沿用 aiManual 命名）
     aiManualName: { type: String, default: "" },
     aiManualUrl: { type: String, default: "" }
 })
diff --git a/src/views/components/TrainingTaskToolbar.vue b/src/views/components/TrainingTaskToolbar.vue
index 02526a0..9285685 100644
--- a/src/views/components/TrainingTaskToolbar.vue
+++ b/src/views/components/TrainingTaskToolbar.vue
@@ -10,9 +10,11 @@
       :ai-manual-name="resolvedAiManual.name"
       :ai-manual-url="resolvedAiManual.url"
     />
+    <!-- 保存当前进度按钮已注销
     <el-button class="task-toolbar-button task-toolbar-button--save" :loading="savingProgress" @click="triggerExistingAction('save')">
       <el-icon><CircleCheck /></el-icon>保存当前进度
     </el-button>
+    -->
     <el-button class="task-toolbar-button task-toolbar-button--submit" @click="triggerExistingAction('submit')">
       <el-icon><CircleCheck /></el-icon>提交任务
     </el-button>
@@ -314,6 +316,7 @@ function exportLegacyTraining() {
 
 <style lang="scss" scoped>
 .training-task-toolbar { display:flex; flex-wrap:wrap; align-items:center; justify-content:flex-end; gap:8px; }
+.training-task-toolbar :deep(.material-actions) { margin-right:auto; }
 .task-toolbar-button { min-height:34px; height:34px; padding:0 14px; border-color:rgba(37,99,235,.35); border-radius:8px; color:#2563eb; background:#fff; font-size:13px; font-weight:600; }
 .task-toolbar-button:hover { border-color:#2563eb; color:#1d4ed8; background:#eff6ff; }
 .task-toolbar-button--save { border-color:rgba(43,164,113,.45); color:#2ba471; }
diff --git a/src/views/demand/business-feasibility.vue b/src/views/demand/business-feasibility.vue
index cd67ce4..0b85d43 100644
--- a/src/views/demand/business-feasibility.vue
+++ b/src/views/demand/business-feasibility.vue
@@ -25,10 +25,6 @@
                 <TrainingTaskToolbar :task-key="TASK_KEY" :on-submit="saveStepThree" :on-export="exportOutcome" />
             </section>
 
-            <section class="task-action-strip">
-                <TrainingTaskToolbar :task-key="TASK_KEY" :on-submit="saveStepThree" :on-export="exportOutcome" />
-            </section>
-
             <section class="workbench">
 
                 <nav class="step-indicator" aria-label="商业可行性论证步骤">
diff --git a/src/views/platformAdmin/questionBank/index.vue b/src/views/platformAdmin/questionBank/index.vue
index d074491..208e55a 100644
--- a/src/views/platformAdmin/questionBank/index.vue
+++ b/src/views/platformAdmin/questionBank/index.vue
@@ -1,28 +1,28 @@
 <template>
   <main class="question-bank app-container">
-    <header class="page-head"><div><h1>题库管理</h1><p>维护平台公共题库，供教师组卷使用</p></div><div class="actions"><el-button type="primary" :icon="Plus" @click="openEditor()">添加题目</el-button><el-button type="success" :icon="Upload" :loading="loading" @click="pickImport">批量导入</el-button><el-dropdown trigger="click" @command="downloadTemplate"><el-button type="success" :icon="Download">下载模板<el-icon class="el-icon--right"><ArrowDown /></el-icon></el-button><template #dropdown><el-dropdown-menu><el-dropdown-item command="word">Word 导入模板</el-dropdown-item><el-dropdown-item command="excel">Excel 导入模板</el-dropdown-item></el-dropdown-menu></template></el-dropdown><el-button type="primary" @click="openAi">AI出题</el-button></div></header>
+    <header class="page-head"><div><h1>题库管理</h1><p>维护平台公共题库，供教师组卷使用</p></div><div class="actions"><el-button type="primary" :icon="Plus" @click="openEditor()">添加题目</el-button><el-button type="success" :icon="Upload" :loading="loading" @click="pickImport">批量导入</el-button><el-dropdown trigger="click" @command="downloadTemplate"><el-button type="success" :icon="Download">下载模板<el-icon class="el-icon--right"><ArrowDown /></el-icon></el-button><template #dropdown><el-dropdown-menu><el-dropdown-item command="word">Word 导入模板</el-dropdown-item><el-dropdown-item command="excel">Excel 导入模板</el-dropdown-item></el-dropdown-menu></template></el-dropdown></div></header>
     <section class="toolbar"><el-select v-model="query.type" clearable placeholder="题型：请选择" @change="load"><el-option v-for="item in types" :key="item.value" :label="item.label" :value="item.value" /></el-select><el-select v-model="query.taskKey" clearable placeholder="归属项目：请选择" @change="load"><el-option v-for="item in projects" :key="item.taskKey" :label="projectLabel(item)" :value="item.taskKey" /></el-select><el-input v-model="query.keyword" placeholder="请输入题干关键词" clearable @keyup.enter="load" /><el-button type="primary" :icon="Search" @click="load">搜索</el-button><input ref="fileInput" type="file" accept=".docx,.xlsx,.xls" hidden @change="importFile" /></section>
     <el-table v-loading="loading" :data="questions" class="data-table"><el-table-column type="index" label="序号" width="78" /><el-table-column label="题干" min-width="420" show-overflow-tooltip><template #default="{ row }"><span>{{ plainHtml(row.stem) }}</span></template></el-table-column><el-table-column label="题型" width="120"><template #default="{ row }"><el-tag>{{ typeName[row.type] }}</el-tag></template></el-table-column><el-table-column label="题目来源" width="140"><template #default><el-tag type="success">平台题库</el-tag></template></el-table-column><el-table-column label="操作" width="190" fixed="right"><template #default="{ row }"><el-button link type="primary" @click="openEditor(row)">编辑</el-button><el-button link type="primary" @click="openEditor(row)">查看</el-button><el-button link type="danger" @click="remove(row)">删除</el-button></template></el-table-column><template #empty><el-empty description="暂无题目" /></template></el-table>
     <p class="bank-note">说明：平台题库为系统默认题库，所有教师可见；教师仅可查看平台题目，编辑删除自己新增的题目。</p>
 
     <el-dialog v-model="editorVisible" :title="form.id ? '编辑题目' : '新增题目'" width="min(1180px, 94vw)" top="4vh" class="question-editor-dialog" destroy-on-close>
       <div class="editor-shell"><div class="editor-project"><span>归属项目</span><el-select v-model="form.taskKey" placeholder="请选择归属项目"><el-option v-for="item in projects" :key="item.taskKey" :label="projectLabel(item)" :value="item.taskKey" /></el-select></div>
-        <div class="type-switch"><span>题型：</span><el-radio-group v-model="form.type" @change="resetForType"><el-radio-button v-for="item in types" :key="item.value" :label="item.value">{{ item.label }}</el-radio-button></el-radio-group></div>
+        <div class="type-switch"><span>题型</span><el-select v-model="form.type" @change="resetForType" class="type-select"><el-option v-for="item in types" :key="item.value" :label="item.label" :value="item.value" /></el-select></div>
         <div class="rich-row"><label>题干</label><Editor v-model="form.stem" :min-height="154" /></div>
-        <template v-if="isChoice"><div class="option-block"><label>选项</label><div class="option-list"><div v-for="option in form.options" :key="option.label" class="option-row"><el-radio v-if="form.type === 'SINGLE'" v-model="singleAnswer" :label="option.label" class="answer-control">{{ option.label }}</el-radio><el-checkbox v-else v-model="answers" :label="option.label" class="answer-control">{{ option.label }}</el-checkbox><Editor v-model="option.content" :min-height="92" /></div></div></div><div class="rich-row analysis-row"><label>答案解析（选填）</label><Editor v-model="form.analysis" :min-height="112" /></div></template>
-        <template v-else-if="form.type === 'TRUE_FALSE'"><div class="tf-block"><label>选项</label><el-radio-group v-model="form.answer"><el-radio :label="true">对</el-radio><el-radio :label="false">错</el-radio></el-radio-group></div><div class="rich-row analysis-row"><label>答案解析（选填）</label><Editor v-model="form.analysis" :min-height="112" /></div></template>
+        <template v-if="isChoice"><div class="option-block"><label>选项</label><div class="option-list"><div v-for="(option, index) in form.options" :key="index" class="option-row"><div class="option-letter"><el-radio v-if="form.type === 'SINGLE'" v-model="singleAnswer" :label="optionLabel(index)" class="answer-control" /><el-checkbox v-else v-model="answers" :label="optionLabel(index)" class="answer-control" /><span class="letter-tag">{{ optionLabel(index) }}</span></div><Editor v-model="option.content" :min-height="92" /><el-button v-if="form.options.length > 2" link type="danger" :icon="Delete" @click="removeOption(index)" class="remove-btn" /></div><el-button type="primary" plain :icon="Plus" @click="addOption" class="add-option-btn">新增选项</el-button></div></div><div class="rich-row analysis-row"><label>答案解析（选填）</label><Editor v-model="form.analysis" :min-height="112" /></div></template>
+        <template v-else-if="form.type === 'TRUE_FALSE'"><div class="tf-block"><label>选项</label><div class="tf-options"><el-radio-group v-model="form.answer" class="tf-radio-group"><el-radio-button :label="true" class="tf-radio">对</el-radio-button><el-radio-button :label="false" class="tf-radio">错</el-radio-button></el-radio-group></div></div><div class="rich-row analysis-row"><label>答案解析（选填）</label><Editor v-model="form.analysis" :min-height="112" /></div></template>
         <template v-else><div class="material-row"><el-upload :show-file-list="false" :http-request="uploadMaterial" accept=".pdf,.doc,.docx,.png,.jpg,.jpeg"><el-button type="primary" plain :loading="uploading">上传简答题资料</el-button></el-upload><span v-if="form.attachmentName" class="material-name">{{ form.attachmentName }}</span></div><div class="rich-row"><label>参考答案</label><Editor v-model="form.answer" :min-height="180" /></div><div class="rich-row analysis-row"><label>答案解析（选填）</label><Editor v-model="form.analysis" :min-height="112" /></div></template>
       </div><template #footer><el-button @click="editorVisible=false">取消</el-button><el-button type="primary" :loading="saving" @click="save">确定</el-button></template>
     </el-dialog>
 
-    <el-dialog v-model="aiVisible" title="AI 出题" width="620px"><el-form :model="aiForm" label-width="92px"><el-form-item label="归属项目"><el-select v-model="aiForm.taskKey" style="width:100%"><el-option v-for="item in projects" :key="item.taskKey" :label="projectLabel(item)" :value="item.taskKey" /></el-select></el-form-item><el-form-item label="题型"><el-select v-model="aiForm.type"><el-option v-for="item in types" :key="item.value" :label="item.label" :value="item.value" /></el-select></el-form-item><el-form-item label="数量"><el-input-number v-model="aiForm.count" :min="1" :max="50" /></el-form-item><el-form-item label="出题要求"><el-input v-model="aiForm.requirement" type="textarea" :rows="4" placeholder="例如：偏重实训场景，难度中等" /></el-form-item></el-form><el-alert v-if="preview.length" title="请确认预览内容后再入库" type="info" :closable="false" class="preview-alert" /><el-scrollbar v-if="preview.length" max-height="280px"><div v-for="(q, i) in preview" :key="i" class="preview-item"><b>{{ i + 1 }}. {{ plainHtml(q.stem) }}</b><div>答案：{{ displayAnswer(q.answer) }}</div></div></el-scrollbar><template #footer><el-button @click="aiVisible=false">取消</el-button><el-button v-if="!preview.length" type="primary" :loading="aiLoading" @click="previewAi">生成预览</el-button><el-button v-else type="primary" :loading="aiLoading" @click="confirmAi">确认入库</el-button></template></el-dialog>
+    <el-dialog v-model="aiVisible" title="AI 出题" width="620px" class="question-ai-dialog"><el-form :model="aiForm" label-width="92px"><el-form-item label="归属项目"><el-select v-model="aiForm.taskKey" style="width:100%"><el-option v-for="item in projects" :key="item.taskKey" :label="projectLabel(item)" :value="item.taskKey" /></el-select></el-form-item><el-form-item label="题型"><el-select v-model="aiForm.type"><el-option v-for="item in types" :key="item.value" :label="item.label" :value="item.value" /></el-select></el-form-item><el-form-item label="数量"><el-input-number v-model="aiForm.count" :min="1" :max="50" /></el-form-item><el-form-item label="出题要求"><el-input v-model="aiForm.requirement" type="textarea" :rows="4" placeholder="例如：偏重实训场景，难度中等" /></el-form-item></el-form><el-alert v-if="preview.length" title="请确认预览内容后再入库" type="info" :closable="false" class="preview-alert" /><el-scrollbar v-if="preview.length" max-height="280px"><div v-for="(q, i) in preview" :key="i" class="preview-item"><b>{{ i + 1 }}. {{ plainHtml(q.stem) }}</b><div>答案：{{ displayAnswer(q.answer) }}</div></div></el-scrollbar><template #footer><el-button @click="aiVisible=false">取消</el-button><el-button v-if="!preview.length" type="primary" :loading="aiLoading" @click="previewAi">生成预览</el-button><el-button v-else type="primary" :loading="aiLoading" @click="confirmAi">确认入库</el-button></template></el-dialog>
   </main>
 </template>
 
 <script setup>
 import { computed, onMounted, reactive, ref } from "vue";
 import { ElMessage, ElMessageBox } from "element-plus";
-import { ArrowDown, Download, Plus, Search, Upload } from "@element-plus/icons-vue";
+import { ArrowDown, Delete, Download, Plus, Search, Upload } from "@element-plus/icons-vue";
 import { saveAs } from "file-saver";
 import * as api from "@/api/exam";
 
@@ -35,7 +35,10 @@ function emptyQuestion() { return { id: null, taskKey: "", type: "SINGLE", stem:
 function projectLabel(item) { return `${item.projectName} / ${item.taskName}`; } function plainHtml(value) { return String(value || "").replace(/<[^>]+>/g, "").replace(/&nbsp;/g, " "); }
 async function load() { loading.value = true; try { questions.value = (await api.getPlatformQuestions(query)).data || []; } finally { loading.value = false; } } async function init() { projects.value = (await api.getPlatformQuestionProjects()).data || []; await load(); } onMounted(init);
 function openEditor(row) { Object.assign(form, row ? JSON.parse(JSON.stringify(row)) : emptyQuestion()); if (!Array.isArray(form.answer) && isChoice.value) form.answer = []; editorVisible.value = true; } function openAi() { aiForm.taskKey = query.taskKey || aiForm.taskKey || projects.value[0]?.taskKey || ""; preview.value = []; aiVisible.value = true; }
-function resetForType() { form.answer = form.type === "TRUE_FALSE" ? true : form.type === "SHORT_ANSWER" ? "<p></p>" : []; if (form.type !== "SHORT_ANSWER") { form.attachmentName = ""; form.attachmentUrl = ""; } }
+function optionLabel(index) { return String.fromCharCode(65 + index); }
+function addOption() { if (form.options.length >= 26) return ElMessage.warning("最多支持 26 个选项"); form.options.push({ label: optionLabel(form.options.length), content: "<p></p>" }); }
+function removeOption(index) { if (form.options.length <= 2) return ElMessage.warning("至少保留 2 个选项"); const removed = form.options[index]; form.options.splice(index, 1); form.options.forEach((opt, i) => { opt.label = optionLabel(i); }); if (Array.isArray(form.answer)) form.answer = form.answer.filter((a) => a !== removed.label); }
+function resetForType() { form.answer = form.type === "TRUE_FALSE" ? true : form.type === "SHORT_ANSWER" ? "<p></p>" : []; if (form.type !== "SHORT_ANSWER") { form.attachmentName = ""; form.attachmentUrl = ""; } if (isChoice.value) { const count = form.options.length || 4; form.options = Array.from({ length: Math.max(count, 4) }, (_, i) => ({ label: optionLabel(i), content: "<p></p>" })); } }
 async function save() { if (!form.taskKey || !plainHtml(form.stem).trim()) return ElMessage.warning("请填写归属项目和题干"); if (isChoice.value && (!form.answer.length || form.options.some((item) => !plainHtml(item.content).trim()))) return ElMessage.warning("请补全选项并设置正确答案"); if (form.type === "SHORT_ANSWER" && !plainHtml(form.answer).trim()) return ElMessage.warning("请填写参考答案"); saving.value = true; try { await (form.id ? api.updatePlatformQuestion(form.id, form) : api.createPlatformQuestion(form)); ElMessage.success("题目已保存"); editorVisible.value = false; load(); } finally { saving.value = false; } }
 async function remove(row) { await ElMessageBox.confirm("删除后无法恢复，确认删除？", "删除题目", { type: "warning" }); await api.deletePlatformQuestion(row.id); ElMessage.success("已删除"); load(); } function pickImport() { if (!query.taskKey) return ElMessage.warning("请先选择归属项目，再导入题目"); fileInput.value.value = ""; fileInput.value.click(); }
 async function importFile(event) { const file = event.target.files[0]; if (!file) return; if (!query.taskKey) return ElMessage.warning("请先选择归属项目"); const data = new FormData(); data.append("file", file); await api.importPlatformQuestions(data, query.taskKey); ElMessage.success("导入成功"); event.target.value = ""; load(); }
@@ -51,5 +54,5 @@ function displayAnswer(value) { return Array.isArray(value) ? value.join("、")
 .page-head h1 { margin: 0; font-size: 22px; font-weight: 700; color: #1f2937; }.page-head p { margin: 7px 0 0; color: #6b7280; font-size: 13px; }.actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
 .toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 14px; margin-bottom: 16px; border: 1px solid #e5e7eb; border-radius: 10px; background: #ffffff; }.toolbar .el-select { width: 210px; }.toolbar .el-input { width: min(300px, 30vw); }
 .data-table { background: #ffffff; border-radius: 10px; }.bank-note { margin: 14px auto 0; max-width: 1180px; color: #6b7280; font-size: 13px; line-height: 1.8; text-align: center; }
-.editor-shell { padding: 4px 8px 12px; color: #243746; }.editor-project { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }.editor-project > span { width: 62px; color: #526979; }.editor-project .el-select { width: 420px; }.type-switch { display: flex; align-items: center; gap: 10px; margin: 4px 0 22px; font-size: 16px; }.rich-row, .option-block { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 12px; margin-bottom: 22px; }.rich-row > label, .option-block > label, .tf-block > label { padding-top: 10px; color: #526979; font-size: 15px; text-align: right; }.option-list { display: grid; gap: 12px; }.option-row { display: grid; grid-template-columns: 68px minmax(0, 1fr); align-items: start; gap: 8px; }.answer-control { padding-top: 12px; }.tf-block { display: flex; align-items: center; gap: 24px; margin: 18px 0 30px; }.tf-block .el-radio-group { display: flex; gap: 28px; }.material-row { display: flex; align-items: center; gap: 14px; margin: 6px 0 22px 102px; }.material-name { color: #5c7585; }.preview-alert { margin-bottom: 12px; }.preview-item { padding: 10px 4px; border-bottom: 1px solid #24465a; line-height: 1.7; }.editor-shell :deep(.ql-container) { min-height: 88px; font-size: 15px; }.editor-shell :deep(.ql-editor) { min-height: 74px; }.editor-shell :deep(.ql-toolbar) { background: #fff; }.editor-shell :deep(.ql-editor.ql-blank::before) { color: #a6b0b8; font-style: normal; }
+.editor-shell { padding: 4px 8px 12px; color: #1f2937; }.editor-project { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }.editor-project > span { width: 62px; color: #4b5563; }.editor-project .el-select { width: 420px; }.type-switch { display: flex; align-items: center; gap: 12px; margin: 4px 0 22px; }.type-switch > span { width: 62px; color: #4b5563; font-size: 15px; text-align: right; }.type-select { width: 200px; }.rich-row, .option-block { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 12px; margin-bottom: 22px; align-items: start; }.rich-row > label, .option-block > label, .tf-block > label { padding-top: 10px; color: #4b5563; font-size: 15px; text-align: right; }.option-list { display: grid; gap: 12px; }.option-row { display: grid; grid-template-columns: 56px minmax(0, 1fr) 36px; align-items: start; gap: 10px; }.option-letter { display: flex; flex-direction: column; align-items: center; gap: 6px; padding-top: 12px; }.option-letter .answer-control { margin-right: 0; }.letter-tag { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: #eff6ff; color: #2563eb; font-size: 13px; font-weight: 600; border: 1px solid #bfdbfe; }.remove-btn { padding-top: 16px; color: #9ca3af; }.add-option-btn { justify-self: start; margin-top: 4px; }.tf-block { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 12px; margin: 18px 0 30px; align-items: center; }.tf-options { display: flex; gap: 16px; }.tf-radio-group { display: flex; gap: 16px; }.tf-radio { padding: 10px 36px; font-size: 15px; border-radius: 8px; }.material-row { display: flex; align-items: center; gap: 14px; margin: 6px 0 22px 132px; }.material-name { color: #6b7280; }.preview-alert { margin-bottom: 12px; }.preview-item { padding: 10px 4px; border-bottom: 1px solid #e5e7eb; line-height: 1.7; color: #1f2937; }.editor-shell :deep(.ql-container) { min-height: 88px; font-size: 15px; color: #1f2937; }.editor-shell :deep(.ql-editor) { min-height: 74px; color: #1f2937; }.editor-shell :deep(.ql-toolbar) { background: #fff; border-color: #e5e7eb; }.editor-shell :deep(.ql-editor.ql-blank::before) { color: #9ca3af; font-style: normal; }
 </style>
diff --git a/src/views/student/index.vue b/src/views/student/index.vue
index 9724c2a..8e0fa60 100644
--- a/src/views/student/index.vue
+++ b/src/views/student/index.vue
@@ -1,424 +1,564 @@
 <template>
-  <div v-loading="loading" class="student-home app-container">
-    <el-alert
-      v-if="loadError"
-      class="load-error"
-      type="error"
-      :title="loadError"
-      :closable="false"
-      show-icon
-    />
-
-    <el-card class="dashboard-card score-card">
-      <template #header>
-        <div class="card-header">
-          <span>我的实训成绩</span>
-          <small>按当前教学班发布的实训模块统计</small>
-        </div>
-      </template>
-
-      <div v-if="!loadError" class="score-layout">
-        <section class="score-visual" aria-label="模块成绩分布">
-          <div ref="scoreChartRef" class="score-chart"></div>
-          <div class="score-summary">
-            <div class="score-metric score-metric--ai">
-              <span class="summary-label">AI评分</span>
-              <strong>{{ formatScore(aiScore) }}</strong>
-              <span class="summary-unit">分</span>
+    <div v-loading="loading" class="student-home app-container">
+        <el-alert v-if="loadError" class="load-error" type="error" :title="loadError" :closable="false" show-icon />
+
+        <el-card class="dashboard-card score-card">
+            <template #header>
+                <div class="card-header">
+                    <span>我的实训成绩</span>
+                    <small>按当前教学班发布的实训模块统计</small>
+                </div>
+            </template>
+
+            <div v-if="!loadError" class="score-layout">
+                <section class="score-visual" aria-label="模块成绩分布">
+                    <div ref="scoreChartRef" class="score-chart"></div>
+                    <div class="score-summary">
+                        <div class="score-metric score-metric--ai">
+                            <span class="summary-label">AI评分</span>
+                            <strong>{{ formatScore(aiScore) }}</strong>
+                            <span class="summary-unit">分</span>
+                        </div>
+                    </div>
+                </section>
+
+                <section class="score-table-wrap" aria-label="模块成绩明细">
+                    <el-table :data="displayModules" stripe border class="score-table" empty-text="暂无实训模块">
+                        <el-table-column type="index" label="序号" width="64" align="center" />
+                        <el-table-column prop="moduleName" label="实训模块" min-width="280" />
+                        <el-table-column label="成绩占比" width="116" align="center">
+                            <template #default="scope">{{ formatWeight(scope.row.weight) }}</template>
+                        </el-table-column>
+                        <el-table-column label="模块得分" width="110" align="center">
+                            <template #default="scope">{{ formatScore(scope.row.score) }}</template>
+                        </el-table-column>
+                        <el-table-column label="完成进度" width="138" align="center">
+                            <template #default="scope">{{ progressText(scope.row) }}</template>
+                        </el-table-column>
+                    </el-table>
+                </section>
             </div>
-            <div class="score-metric score-metric--teacher">
-              <span class="summary-label">老师评分</span>
-              <strong>{{ formatTeacherScore(teacherScore) }}</strong>
-              <span v-if="hasTeacherScore(teacherScore)" class="summary-unit">分</span>
+        </el-card>
+
+        <el-card class="dashboard-card progress-card">
+            <template #header>
+                <div class="card-header">
+                    <span>实训进度概览</span>
+                    <small>项目学习时长与任务完成进度对比</small>
+                </div>
+            </template>
+
+            <div v-if="!loadError" class="progress-layout">
+                <section class="learning-time" aria-label="有效学习时间">
+                    <div class="time-orbit">
+                        <div class="time-value">{{ studyHours }}</div>
+                        <div class="time-unit">HRS</div>
+                    </div>
+                    <strong>有效学习时间</strong>
+                    <span>累计投入 {{ totalStudyMinutes }} 分钟</span>
+                </section>
+
+                <section class="study-time-chart-wrap" aria-label="项目学习时长">
+                    <div ref="studyTimeChartRef" class="study-time-chart"></div>
+                </section>
+
+                <section class="progress-chart-wrap" aria-label="模块任务完成情况">
+                    <div ref="progressChartRef" class="progress-chart"></div>
+                </section>
             </div>
-          </div>
-        </section>
-
-        <section class="score-table-wrap" aria-label="模块成绩明细">
-          <el-table :data="displayModules" stripe border class="score-table" empty-text="暂无实训模块">
-            <el-table-column type="index" label="序号" width="64" align="center" />
-            <el-table-column prop="moduleName" label="实训模块" min-width="280" />
-            <el-table-column label="成绩占比" width="116" align="center">
-              <template #default="scope">{{ formatWeight(scope.row.weight) }}</template>
-            </el-table-column>
-            <el-table-column label="模块得分" width="110" align="center">
-              <template #default="scope">{{ formatScore(scope.row.score) }}</template>
-            </el-table-column>
-            <el-table-column label="完成进度" width="138" align="center">
-              <template #default="scope">{{ progressText(scope.row) }}</template>
-            </el-table-column>
-          </el-table>
-        </section>
-      </div>
-    </el-card>
-
-    <el-card class="dashboard-card progress-card">
-      <template #header>
-        <div class="card-header">
-          <span>实训进度概览</span>
-          <small>项目学习时长与任务完成进度对比</small>
-        </div>
-      </template>
-
-      <div v-if="!loadError" class="progress-layout">
-        <section class="learning-time" aria-label="有效学习时间">
-          <div class="time-orbit">
-            <div class="time-value">{{ studyHours }}</div>
-            <div class="time-unit">HRS</div>
-          </div>
-          <strong>有效学习时间</strong>
-          <span>累计投入 {{ totalStudyMinutes }} 分钟</span>
-        </section>
-
-        <section class="study-time-chart-wrap" aria-label="项目学习时长">
-          <div ref="studyTimeChartRef" class="study-time-chart"></div>
-        </section>
-
-        <section class="progress-chart-wrap" aria-label="模块任务完成情况">
-          <div ref="progressChartRef" class="progress-chart"></div>
-        </section>
-      </div>
-    </el-card>
-  </div>
+        </el-card>
+    </div>
 </template>
 
 <script setup>
-import * as echarts from "echarts";
-import useUserStore from "@/store/modules/user";
-import * as indexApi from "@/api/index";
-import { getCurrentProjectStudyTime } from "@/api/projectStudyTime";
-
-const userStore = useUserStore();
-const scoreChartRef = ref(null);
-const studyTimeChartRef = ref(null);
-const progressChartRef = ref(null);
-const report = ref({ totalScore: 0, modules: [] });
-const projectStudyTimes = ref([]);
-const loading = ref(true);
-const loadError = ref("");
-
-const MODULE_COLORS = ["#1d4ed8", "#2563eb", "#3b82f6", "#60a5fa", "#93c5fd", "#bfdbfe"];
-
-let scoreChart;
-let studyTimeChart;
-let progressChart;
-
-const displayModules = computed(() => report.value.modules || []);
-const aiScore = computed(() => report.value.aiAssessmentScore ?? report.value.aiScore ?? report.value.totalScore);
-const teacherScore = computed(() => report.value.teacherScore);
+import * as echarts from "echarts"
+import useUserStore from "@/store/modules/user"
+import * as indexApi from "@/api/index"
+import { getCurrentProjectStudyTime } from "@/api/projectStudyTime"
+
+const userStore = useUserStore()
+const scoreChartRef = ref(null)
+const studyTimeChartRef = ref(null)
+const progressChartRef = ref(null)
+const report = ref({ totalScore: 0, modules: [] })
+const projectStudyTimes = ref([])
+const loading = ref(true)
+const loadError = ref("")
+
+const MODULE_COLORS = ["#1d4ed8", "#2563eb", "#3b82f6", "#60a5fa", "#93c5fd", "#bfdbfe"]
+
+let scoreChart
+let studyTimeChart
+let progressChart
+
+const displayModules = computed(() => report.value.modules || [])
+const aiScore = computed(() => report.value.aiAssessmentScore ?? report.value.aiScore ?? report.value.totalScore)
+const teacherScore = computed(() => report.value.teacherScore)
 
 const studySecondsByProject = computed(() => Object.fromEntries(
-  projectStudyTimes.value.map((item) => [item.projectName, Number(item.studySeconds) || 0])
-));
+    projectStudyTimes.value.map((item) => [item.projectName, Number(item.studySeconds) || 0])
+))
 const displayStudyProjects = computed(() => {
-  const knownProjects = displayModules.value.map((module) => module.moduleName);
-  const extraProjects = projectStudyTimes.value.map((item) => item.projectName).filter((name) => !knownProjects.includes(name));
-  return [...knownProjects, ...extraProjects].map((projectName) => ({
-    projectName,
-    studySeconds: studySecondsByProject.value[projectName] || 0,
-  }));
-});
+    const knownProjects = displayModules.value.map((module) => module.moduleName)
+    const extraProjects = projectStudyTimes.value.map((item) => item.projectName).filter((name) => !knownProjects.includes(name))
+    return [...knownProjects, ...extraProjects].map((projectName) => ({
+        projectName,
+        studySeconds: studySecondsByProject.value[projectName] || 0,
+    }))
+})
 const totalStudyMinutes = computed(() => Math.round(
-  displayStudyProjects.value.reduce((total, item) => total + item.studySeconds, 0) / 60
-));
+    displayStudyProjects.value.reduce((total, item) => total + item.studySeconds, 0) / 60
+))
 
-const studyHours = computed(() => (totalStudyMinutes.value / 60).toFixed(1));
+const studyHours = computed(() => (totalStudyMinutes.value / 60).toFixed(1))
 
-const formatScore = (value) => Number(value || 0).toFixed(2).replace(/\.00$/, "");
-const hasTeacherScore = (value) => value !== null && value !== undefined && value !== "";
-const formatTeacherScore = (value) => hasTeacherScore(value) ? formatScore(value) : "待评阅";
-const formatWeight = (weight) => `${(Number(weight || 0) * 100).toFixed(0)}%`;
-const moduleColor = (index) => MODULE_COLORS[index % MODULE_COLORS.length];
+const formatScore = (value) => Number(value || 0).toFixed(2).replace(/\.00$/, "")
+const hasTeacherScore = (value) => value !== null && value !== undefined && value !== ""
+const formatTeacherScore = (value) => hasTeacherScore(value) ? formatScore(value) : "待评阅"
+const formatWeight = (weight) => `${(Number(weight || 0) * 100).toFixed(0)}%`
+const moduleColor = (index) => MODULE_COLORS[index % MODULE_COLORS.length]
 const progressPercent = (module) => {
-  const total = Number(module.totalTaskCount) || 0;
-  const completed = Number(module.completedTaskCount) || 0;
-  return total > 0 ? Math.min(100, Math.round((completed / total) * 100)) : 0;
-};
-const progressText = (module) => `${Number(module.completedTaskCount) || 0}/${Number(module.totalTaskCount) || 0}`;
+    const total = Number(module.totalTaskCount) || 0
+    const completed = Number(module.completedTaskCount) || 0
+    return total > 0 ? Math.min(100, Math.round((completed / total) * 100)) : 0
+}
+const progressText = (module) => `${Number(module.completedTaskCount) || 0}/${Number(module.totalTaskCount) || 0}`
 
 const renderScoreChart = () => {
-  if (!scoreChartRef.value) return;
-  scoreChart = scoreChart || echarts.init(scoreChartRef.value);
-  scoreChart.setOption({
-    tooltip: { trigger: "item", valueFormatter: (value) => `${formatScore(value)} 分` },
-    legend: { orient: "vertical", right: 8, top: "middle", itemWidth: 12, itemHeight: 12 },
-    series: [{
-      name: "模块得分",
-      type: "pie",
-      radius: ["42%", "72%"],
-      center: ["34%", "50%"],
-      avoidLabelOverlap: true,
-      label: { show: false },
-      labelLine: { show: false },
-    data: displayModules.value.map((module, index) => ({
-        name: module.moduleName,
-        value: Number(module.score) || 0,
-        itemStyle: { color: moduleColor(index) }
-      }))
-    }]
-  }, true);
-};
+    if (!scoreChartRef.value) return
+    scoreChart = scoreChart || echarts.init(scoreChartRef.value)
+    scoreChart.setOption({
+        tooltip: { trigger: "item", valueFormatter: (value) => `${formatScore(value)} 分` },
+        legend: { orient: "vertical", right: 8, top: "middle", itemWidth: 12, itemHeight: 12 },
+        series: [{
+            name: "模块得分",
+            type: "pie",
+            radius: ["42%", "72%"],
+            center: ["34%", "50%"],
+            avoidLabelOverlap: true,
+            label: { show: false },
+            labelLine: { show: false },
+            data: displayModules.value.map((module, index) => ({
+                name: module.moduleName,
+                value: Number(module.score) || 0,
+                itemStyle: { color: moduleColor(index) }
+            }))
+        }]
+    }, true)
+}
 
 const renderProgressChart = () => {
-  if (!progressChartRef.value) return;
-  progressChart = progressChart || echarts.init(progressChartRef.value);
-  const modules = displayModules.value;
-  progressChart.setOption({
-    tooltip: { trigger: "axis", axisPointer: { type: "shadow" } },
-    legend: { top: 0, data: ["已完成", "待完成"] },
-    grid: { left: 24, right: 24, top: 40, bottom: 22, containLabel: true },
-    xAxis: { type: "value", minInterval: 1 },
-    yAxis: {
-      type: "category",
-      inverse: true,
-      axisLabel: { width: 132, overflow: "truncate" },
-      data: modules.map((module) => module.moduleName)
-    },
-    series: [
-      {
-        name: "已完成",
-        type: "bar",
-        stack: "tasks",
-        barMaxWidth: 18,
-        itemStyle: { color: "#2563eb", borderRadius: [9, 0, 0, 9] },
-        data: modules.map((module) => Number(module.completedTaskCount) || 0)
-      },
-      {
-        name: "待完成",
-        type: "bar",
-        stack: "tasks",
-        barMaxWidth: 18,
-        itemStyle: { color: "#dbeafe", borderRadius: [0, 9, 9, 0] },
-        data: modules.map((module) => Math.max(0, (Number(module.totalTaskCount) || 0) - (Number(module.completedTaskCount) || 0)))
-      }
-    ]
-  }, true);
-};
+    if (!progressChartRef.value) return
+    progressChart = progressChart || echarts.init(progressChartRef.value)
+    const modules = displayModules.value
+    progressChart.setOption({
+        tooltip: { trigger: "axis", axisPointer: { type: "shadow" } },
+        legend: { top: 0, data: ["已完成", "待完成"] },
+        grid: { left: 24, right: 24, top: 40, bottom: 22, containLabel: true },
+        xAxis: { type: "value", minInterval: 1 },
+        yAxis: {
+            type: "category",
+            inverse: true,
+            axisLabel: { width: 132, overflow: "truncate" },
+            data: modules.map((module) => module.moduleName)
+        },
+        series: [
+            {
+                name: "已完成",
+                type: "bar",
+                stack: "tasks",
+                barMaxWidth: 18,
+                itemStyle: { color: "#2563eb", borderRadius: [9, 0, 0, 9] },
+                data: modules.map((module) => Number(module.completedTaskCount) || 0)
+            },
+            {
+                name: "待完成",
+                type: "bar",
+                stack: "tasks",
+                barMaxWidth: 18,
+                itemStyle: { color: "#dbeafe", borderRadius: [0, 9, 9, 0] },
+                data: modules.map((module) => Math.max(0, (Number(module.totalTaskCount) || 0) - (Number(module.completedTaskCount) || 0)))
+            }
+        ]
+    }, true)
+}
 
 const renderStudyTimeChart = () => {
-  if (!studyTimeChartRef.value) return;
-  studyTimeChart = studyTimeChart || echarts.init(studyTimeChartRef.value);
-  const projects = displayStudyProjects.value;
-  studyTimeChart.setOption({
-    tooltip: {
-      trigger: "axis",
-      axisPointer: { type: "shadow" },
-      valueFormatter: (value) => `${(Number(value) || 0).toFixed(1)} 分钟`,
-    },
-    grid: { left: 24, right: 24, top: 36, bottom: 22, containLabel: true },
-    xAxis: { type: "value", name: "分钟", minInterval: 1 },
-    yAxis: {
-      type: "category",
-      inverse: true,
-      axisLabel: { width: 136, overflow: "truncate" },
-      data: projects.map((item) => item.projectName),
-    },
-    series: [{
-      name: "学习时长",
-      type: "bar",
-      barMaxWidth: 18,
-      itemStyle: { color: "#3b82f6", borderRadius: [0, 9, 9, 0] },
-      data: projects.map((item) => Number((item.studySeconds / 60).toFixed(1))),
-    }],
-  }, true);
-};
+    if (!studyTimeChartRef.value) return
+    studyTimeChart = studyTimeChart || echarts.init(studyTimeChartRef.value)
+    const projects = displayStudyProjects.value
+    studyTimeChart.setOption({
+        tooltip: {
+            trigger: "axis",
+            axisPointer: { type: "shadow" },
+            valueFormatter: (value) => `${(Number(value) || 0).toFixed(1)} 分钟`,
+        },
+        grid: { left: 24, right: 24, top: 36, bottom: 22, containLabel: true },
+        xAxis: { type: "value", name: "分钟", minInterval: 1 },
+        yAxis: {
+            type: "category",
+            inverse: true,
+            axisLabel: { width: 136, overflow: "truncate" },
+            data: projects.map((item) => item.projectName),
+        },
+        series: [{
+            name: "学习时长",
+            type: "bar",
+            barMaxWidth: 18,
+            itemStyle: { color: "#3b82f6", borderRadius: [0, 9, 9, 0] },
+            data: projects.map((item) => Number((item.studySeconds / 60).toFixed(1))),
+        }],
+    }, true)
+}
 
 const renderCharts = () => {
-  renderScoreChart();
-  renderStudyTimeChart();
-  renderProgressChart();
-};
+    renderScoreChart()
+    renderStudyTimeChart()
+    renderProgressChart()
+}
 
 const resizeCharts = () => {
-  scoreChart?.resize();
-  studyTimeChart?.resize();
-  progressChart?.resize();
-};
+    scoreChart?.resize()
+    studyTimeChart?.resize()
+    progressChart?.resize()
+}
 
 const loadDashboard = async () => {
-  loading.value = true;
-  loadError.value = "";
-  const [reportResult, projectStudyTimeResult] = await Promise.allSettled([
-    indexApi.getCurrentExperimentReport(),
-    getCurrentProjectStudyTime(),
-  ]);
-
-  if (reportResult.status !== "fulfilled") {
-    loadError.value = "新版实训报告加载失败，请刷新页面后重试。";
-    loading.value = false;
-    return;
-  }
-
-  report.value = reportResult.value?.data || { totalScore: 0, modules: [] };
-  projectStudyTimes.value = projectStudyTimeResult.status === "fulfilled" && Array.isArray(projectStudyTimeResult.value?.data)
-    ? projectStudyTimeResult.value.data
-    : [];
-  loading.value = false;
-  await nextTick();
-  renderCharts();
-};
+    loading.value = true
+    loadError.value = ""
+    const [reportResult, projectStudyTimeResult] = await Promise.allSettled([
+        indexApi.getCurrentExperimentReport(),
+        getCurrentProjectStudyTime(),
+    ])
+
+    if (reportResult.status !== "fulfilled") {
+        loadError.value = "新版实训报告加载失败，请刷新页面后重试。"
+        loading.value = false
+        return
+    }
+
+    report.value = reportResult.value?.data || { totalScore: 0, modules: [] }
+    projectStudyTimes.value = projectStudyTimeResult.status === "fulfilled" && Array.isArray(projectStudyTimeResult.value?.data)
+        ? projectStudyTimeResult.value.data
+        : []
+    loading.value = false
+    await nextTick()
+    renderCharts()
+}
 
 onMounted(() => {
-  window.addEventListener("resize", resizeCharts);
-  loadDashboard();
-});
+    window.addEventListener("resize", resizeCharts)
+    loadDashboard()
+})
 
 onBeforeUnmount(() => {
-  window.removeEventListener("resize", resizeCharts);
-  scoreChart?.dispose();
-  studyTimeChart?.dispose();
-  progressChart?.dispose();
-});
+    window.removeEventListener("resize", resizeCharts)
+    scoreChart?.dispose()
+    studyTimeChart?.dispose()
+    progressChart?.dispose()
+})
 </script>
 
 <style lang="scss" scoped>
 .student-home {
-  min-height: calc(100vh - 70px);
-  background: #ffffff;
-  padding: 0;
+    min-height: calc(100vh - 70px);
+    background: #ffffff;
+    padding: 0;
 }
 
-.load-error { margin-bottom: 12px; }
+.load-error {
+    margin-bottom: 12px;
+}
 
 .dashboard-card {
-  margin-bottom: 14px;
-  border: 1px solid #e5e7eb;
-  box-shadow: 0 2px 10px rgba(17, 24, 39, 0.05);
-
-  :deep(.el-card__header) { padding: 13px 16px; border-bottom: 1px solid #e5e7eb; }
+    margin-bottom: 14px;
+    border: 1px solid #e5e7eb;
+    box-shadow: 0 2px 10px rgba(17, 24, 39, 0.05);
+
+    :deep(.el-card__header) {
+        padding: 13px 16px;
+        border-bottom: 1px solid #e5e7eb;
+    }
 }
 
 .card-header {
-  display: flex;
-  align-items: baseline;
-  justify-content: space-between;
-  gap: 12px;
-
-  span { color: #1f2937; font-size: 15px; font-weight: 700; }
-  small { color: #9ca3af; font-size: 12px; }
+    display: flex;
+    align-items: baseline;
+    justify-content: space-between;
+    gap: 12px;
+
+    span {
+        color: #1f2937;
+        font-size: 15px;
+        font-weight: 700;
+    }
+
+    small {
+        color: #9ca3af;
+        font-size: 12px;
+    }
 }
 
-.score-layout { display: grid; grid-template-columns: minmax(520px, 0.95fr) minmax(760px, 1.35fr); min-height: 330px; }
+.score-layout {
+    display: grid;
+    grid-template-columns: minmax(520px, 0.95fr) minmax(760px, 1.35fr);
+    min-height: 330px;
+}
 
 .score-visual {
-  position: relative;
-  display: flex;
-  min-width: 0;
-  border-right: 1px dashed #e5e7eb;
+    position: relative;
+    display: flex;
+    min-width: 0;
+    border-right: 1px dashed #e5e7eb;
 }
 
-.score-chart { width: 100%; min-height: 330px; }
+.score-chart {
+    width: 100%;
+    min-height: 330px;
+}
 
 .score-summary {
-  position: absolute;
-  left: 28px;
-  top: 26px;
-  display: flex;
-  align-items: center;
-  gap: 18px;
-  flex-wrap: nowrap;
-  white-space: nowrap;
-  color: #72809a;
-
-  strong { font-size: 30px; line-height: 1; }
-  .summary-unit { font-weight: 600; }
-}
-
-.score-metric { display: inline-flex; align-items: baseline; gap: 4px; }
-.score-metric--ai { color: #1d4ed8; }
-.score-metric--teacher { color: #6b7280; }
-.summary-label { font-size: 12px; font-weight: 600; }
-.score-table-wrap { display: flex; align-items: center; min-width: 0; overflow-x: auto; padding: 8px 0 8px 24px; }
-.score-table { width: 100%; min-width: 760px; }
-.score-table :deep(.el-table__cell) { white-space: nowrap; }
+    position: absolute;
+    left: 34%;
+    top: 50%;
+    transform: translate(-50%, -50%);
+    display: flex;
+    align-items: center;
+    gap: 18px;
+    flex-wrap: nowrap;
+    white-space: nowrap;
+    color: #72809a;
+    pointer-events: none;
+
+    strong {
+        font-size: 26px;
+        line-height: 1;
+    }
+
+    .summary-unit {
+        font-weight: 600;
+    }
+}
+
+.score-metric {
+    display: inline-flex;
+    align-items: baseline;
+    gap: 4px;
+}
+
+.score-metric--ai {
+    color: #1d4ed8;
+}
+
+.score-metric--teacher {
+    color: #6b7280;
+}
+
+.summary-label {
+    font-size: 12px;
+    font-weight: 600;
+}
+
+.score-table-wrap {
+    display: flex;
+    align-items: center;
+    min-width: 0;
+    overflow-x: auto;
+    padding: 8px 0 8px 24px;
+}
+
+.score-table {
+    width: 100%;
+    min-width: 760px;
+}
+
+.score-table :deep(.el-table__cell) {
+    white-space: nowrap;
+}
 
 /* 成绩表：纯白底 + 中性灰边框，无蓝色/斑马重色 */
 .score-table :deep(th.el-table__cell) {
-  color: #1f2937;
-  background: #ffffff;
-  border-color: #e5e7eb;
-  font-size: 12px;
-  font-weight: 700;
+    color: #1f2937;
+    background: #ffffff;
+    border-color: #e5e7eb;
+    font-size: 12px;
+    font-weight: 700;
 }
 
 .score-table :deep(td.el-table__cell) {
-  color: #374151;
-  border-color: #e5e7eb;
-  font-size: 12px;
+    color: #374151;
+    border-color: #e5e7eb;
+    font-size: 12px;
 }
 
 .score-table :deep(.el-table__row--striped td.el-table__cell) {
-  background: #fafbfc;
+    background: #fafbfc;
 }
 
 .score-table :deep(.el-table__body tr:hover > td.el-table__cell) {
-  background: #f3f4f6;
+    background: #f3f4f6;
 }
 
-.progress-layout { display: grid; grid-template-columns: 190px minmax(370px, 1fr) minmax(370px, 1fr); gap: 24px; align-items: stretch; }
+.progress-layout {
+    display: grid;
+    grid-template-columns: 190px minmax(370px, 1fr) minmax(370px, 1fr);
+    gap: 24px;
+    align-items: stretch;
+}
 
 .learning-time {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  min-height: 270px;
-  color: #1f2937;
-  border: 1px solid #e5e7eb;
-  border-radius: 14px;
-  background: #fafbfc;
-
-  strong { margin-top: 16px; font-size: 14px; font-weight: 800; }
-  span { margin-top: 6px; font-size: 12px; color: #6b7280; }
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    min-height: 270px;
+    color: #1f2937;
+    border: 1px solid #e5e7eb;
+    border-radius: 14px;
+    background: #fafbfc;
+
+    strong {
+        margin-top: 16px;
+        font-size: 14px;
+        font-weight: 800;
+    }
+
+    span {
+        margin-top: 6px;
+        font-size: 12px;
+        color: #6b7280;
+    }
 }
 
 .time-orbit {
-  display: grid;
-  place-content: center;
-  width: 108px;
-  height: 108px;
-  text-align: center;
-  border: 3px solid #2563eb;
-  border-radius: 50%;
-  box-shadow: inset 0 0 0 7px #eff6ff;
+    display: grid;
+    place-content: center;
+    width: 108px;
+    height: 108px;
+    text-align: center;
+    border: 3px solid #2563eb;
+    border-radius: 50%;
+    box-shadow: inset 0 0 0 7px #eff6ff;
+}
+
+.time-value {
+    font-size: 25px;
+    font-weight: 800;
+    line-height: 1;
+}
+
+.time-unit {
+    margin-top: 5px;
+    font-size: 12px;
+    letter-spacing: 0.08em;
+    color: #6b7280;
 }
 
-.time-value { font-size: 25px; font-weight: 800; line-height: 1; }
-.time-unit { margin-top: 5px; font-size: 12px; letter-spacing: 0.08em; color: #6b7280; }
-.study-time-chart-wrap, .progress-chart-wrap { min-width: 0; }
-.study-time-chart, .progress-chart { min-height: 270px; width: 100%; }
+.study-time-chart-wrap,
+.progress-chart-wrap {
+    min-width: 0;
+}
+
+.study-time-chart,
+.progress-chart {
+    min-height: 270px;
+    width: 100%;
+}
 
 .module-progress-list {
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  gap: 14px;
-  min-width: 0;
-  padding: 8px 4px;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    gap: 14px;
+    min-width: 0;
+    padding: 8px 4px;
 }
 
-.module-progress-item { min-width: 0; }
-.module-progress-head { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; color: #6f7b91; font-size: 13px; }
-.module-progress-head strong { flex: 1; overflow: hidden; color: #273858; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
-.module-color { flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; }
+.module-progress-item {
+    min-width: 0;
+}
+
+.module-progress-head {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    margin-bottom: 7px;
+    color: #6f7b91;
+    font-size: 13px;
+}
+
+.module-progress-head strong {
+    flex: 1;
+    overflow: hidden;
+    color: #273858;
+    font-size: 14px;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.module-color {
+    flex: 0 0 auto;
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+}
 
 @media (max-width: 1320px) {
-  .score-layout { grid-template-columns: 1fr; }
-  .score-visual { border-bottom: 1px dashed #e5e7eb; }
-  .score-table-wrap { padding: 20px 0 0; }
-  .progress-layout { grid-template-columns: 180px 1fr; }
-  .progress-chart-wrap { grid-column: 1 / -1; }
+    .score-layout {
+        grid-template-columns: 1fr;
+    }
+
+    .score-visual {
+        border-bottom: 1px dashed #e5e7eb;
+    }
+
+    .score-table-wrap {
+        padding: 20px 0 0;
+    }
+
+    .progress-layout {
+        grid-template-columns: 180px 1fr;
+    }
+
+    .progress-chart-wrap {
+        grid-column: 1 / -1;
+    }
 }
 
 @media (max-width: 760px) {
-  .student-home { padding: 12px; }
-  .card-header { align-items: flex-start; flex-direction: column; }
-  .score-visual { min-height: 290px; }
-  .score-chart { min-height: 290px; }
-  .score-summary { left: 18px; top: 18px; }
-  .progress-layout { grid-template-columns: 1fr; }
-  .learning-time { min-height: 210px; }
-  .progress-chart-wrap { grid-column: auto; }
+    .student-home {
+        padding: 12px;
+    }
+
+    .card-header {
+        align-items: flex-start;
+        flex-direction: column;
+    }
+
+    .score-visual {
+        min-height: 290px;
+    }
+
+    .score-chart {
+        min-height: 290px;
+    }
+
+    .score-summary {
+        left: 18px;
+        top: 18px;
+    }
+
+    .progress-layout {
+        grid-template-columns: 1fr;
+    }
+
+    .learning-time {
+        min-height: 210px;
+    }
+
+    .progress-chart-wrap {
+        grid-column: auto;
+    }
 }
 </style>
 
@@ -429,10 +569,10 @@ onBeforeUnmount(() => {
  * 此处仅保留 padding 清零与外层 .index 的 margin 清零，使首页内容贴边。
  */
 #app .studentLayout section.app-main:has(.student-home) {
-  padding: 0 !important;
+    padding: 0 !important;
 }
 
 #app .studentLayout .app-main:has(.student-home) .index {
-  margin: 0 !important;
+    margin: 0 !important;
 }
 </style>