diff --git a/src/assets/styles/teacher-light.scss b/src/assets/styles/teacher-light.scss
index 8e779af..8d01232 100644
--- a/src/assets/styles/teacher-light.scss
+++ b/src/assets/styles/teacher-light.scss
@@ -2685,3 +2685,273 @@ body.teacher-light-mode {
     background: #eff6ff !important;
   }
 }
+
+/* =============================================================
+ * 12. 学生端教育蓝（roleId === 4，更活泼版）
+ * 锚点：body.student-light-mode（layout/index.vue role===4 时自动加）
+ * 边界：ink-training-theme 的 `.student-training-shell` 规则特异性更长
+ *      + `!important`，不会被这里覆盖；实训页保持墨黑不动。
+ * ============================================================= */
+body.student-light-mode {
+  // —— EP CSS 变量覆盖（最紧急：干掉 html.dark 的 #00aaff 青蓝污染）——
+  --el-color-primary: #3b82f6;
+  --el-color-primary-light-3: #60a5fa;
+  --el-color-primary-light-5: #93c5fd;
+  --el-color-primary-light-7: #bfdbfe;
+  --el-color-primary-light-8: #dbeafe;
+  --el-color-primary-light-9: #eff6ff;
+  --el-color-primary-dark-2: #2563eb;
+
+  // —— 令牌（略活泼版：更大圆角、略大字、略宽间距）——
+  --edu-primary: #3b82f6;
+  --edu-primary-deep: #2563eb;
+  --edu-primary-soft: #eff6ff;
+  --text-strong: #1f2937;
+  --text-body: #4b5563;
+  --text-muted: #9ca3af;
+  --border-color: #e5e7eb;
+  --r-card: 14px;
+  --r-control: 10px;
+  --fs-body: 13px;
+  --sp-2: 10px;
+  --sp-3: 14px;
+
+  // —— 基础画布（和教师端共享，浅色渐变）——
+  background: #ffffff !important;
+  color: var(--text-strong);
+
+  // —— 输入框（13px 更清晰 + 10px 圆角）——
+  .el-input__wrapper,
+  .el-select__wrapper {
+    border-radius: var(--r-control) !important;
+    background-color: #ffffff !important;
+    border: 1px solid var(--border-color) !important;
+    box-shadow: none !important;
+
+    &:hover { border-color: var(--edu-primary) !important; }
+    &.is-focus, &.is-focused {
+      border-color: var(--edu-primary) !important;
+      box-shadow: 0 0 0 3px rgba(59,130,246,0.12) !important;
+    }
+  }
+
+  .el-input__inner,
+  .el-textarea__inner {
+    color: var(--text-strong) !important;
+    font-size: var(--fs-body) !important;
+
+    &::placeholder { color: var(--text-muted) !important; }
+  }
+
+  .el-textarea__inner {
+    border-radius: var(--r-control) !important;
+    border: 1px solid var(--border-color) !important;
+    background-color: #ffffff !important;
+    box-shadow: none !important;
+
+    &:hover { border-color: var(--edu-primary) !important; }
+    &:focus {
+      border-color: var(--edu-primary) !important;
+      box-shadow: 0 0 0 3px rgba(59,130,246,0.12) !important;
+    }
+  }
+
+  // —— 按钮（outline 为主 + 更圆润 10px + 悬停微抬升）——
+  // 主按钮：教育蓝实心 + 阴影（和教师端同深，阴影略轻）
+  .el-button--primary:not(.is-text):not(.is-link) {
+    background-color: var(--edu-primary) !important;
+    background-image: none !important;
+    border-color: var(--edu-primary) !important;
+    color: #ffffff !important;
+    border-radius: var(--r-control) !important;
+    box-shadow: 0 2px 6px rgba(59,130,246,0.25) !important;
+    font-weight: 500;
+    font-size: var(--fs-body);
+
+    &:hover, &:focus {
+      background-color: var(--edu-primary-deep) !important;
+      border-color: var(--edu-primary-deep) !important;
+      transform: translateY(-1px);
+      box-shadow: 0 4px 10px rgba(59,130,246,0.32) !important;
+    }
+  }
+
+  // 默认按钮：白底 + 灰边 + 深字（ghost 次级）
+  .el-button:not(.is-text):not(.is-link):not(.el-button--primary):not(.el-button--success):not(.el-button--danger):not(.el-button--warning) {
+    background: #ffffff !important;
+    border: 1px solid var(--border-color) !important;
+    border-radius: var(--r-control) !important;
+    color: var(--text-strong) !important;
+    box-shadow: none !important;
+    font-size: var(--fs-body);
+
+    &:hover {
+      background: var(--edu-primary-soft) !important;
+      border-color: var(--edu-primary) !important;
+      color: var(--edu-primary) !important;
+    }
+  }
+
+  // text 按钮（列表行内操作 / 添加）
+  .el-button.is-text,
+  .el-button.is-link {
+    background: transparent !important;
+    border-color: transparent !important;
+    color: var(--edu-primary) !important;
+    font-weight: 500;
+
+    &:hover { color: var(--edu-primary-deep) !important; }
+    .el-icon { color: inherit !important; }
+  }
+
+  // —— 弹窗（flex 滚动 + EP 变量重设，从教师端陷阱 6/7 继承）——
+  .el-dialog {
+    display: flex !important;
+    flex-direction: column !important;
+    max-height: calc(100vh - 120px) !important;
+    border-radius: 14px !important;
+    box-shadow: 0 20px 56px rgba(30, 60, 100, 0.12) !important;
+
+    // dialog 内部 EP CSS 变量二次覆盖（html.dark 污染兜底）
+    --el-color-primary: #3b82f6;
+    --el-color-primary-light-3: #60a5fa;
+    --el-color-primary-light-9: #eff6ff;
+  }
+
+  .el-dialog__header {
+    background: #ffffff !important;
+    border-bottom: 1px solid var(--border-color);
+    padding: 16px 22px 12px;
+
+    .el-dialog__title {
+      color: var(--text-strong) !important;
+      font-size: 16px;
+      font-weight: 700;
+    }
+  }
+
+  .el-dialog__body {
+    background: #ffffff !important;
+    flex: 1 1 auto;
+    overflow-y: auto !important;
+    padding: 22px;
+    color: var(--text-strong);
+  }
+
+  .el-dialog__footer {
+    background: #ffffff !important;
+    border-top: 1px solid var(--border-color);
+    flex: 0 0 auto;
+    padding: 12px 22px;
+    text-align: right;
+  }
+
+  // 遮罩层
+  .el-overlay {
+    background-color: rgba(15, 23, 42, 0.45) !important;
+    backdrop-filter: none !important;
+  }
+
+  // —— 表格：白卡 + 灰线 + 名称首字徽标（10px 圆角）——
+  .el-table {
+    --el-table-bg-color: #ffffff;
+    --el-table-tr-bg-color: #ffffff;
+    --el-table-header-bg-color: #ffffff;
+    --el-table-border-color: var(--border-color);
+    --el-table-row-hover-bg-color: #f9fafb;
+    background: #ffffff !important;
+    border: 1px solid var(--border-color) !important;
+    border-radius: 14px;
+    overflow: hidden;
+
+    .el-table__header th {
+      background: #ffffff !important;
+      color: var(--text-strong) !important;
+      font-size: var(--fs-body);
+      font-weight: 600;
+      border-bottom: 1px solid var(--border-color) !important;
+    }
+
+    .el-table__body tr:hover > td {
+      background: #f9fafb !important;
+    }
+
+    .el-table__cell {
+      font-size: var(--fs-body);
+      color: var(--text-strong);
+      border-color: var(--border-color) !important;
+    }
+  }
+
+  // —— 分页（教育蓝当前页）——
+  .el-pagination {
+    .btn-prev, .btn-next, .el-pager li {
+      background: #ffffff !important;
+      border: 1px solid var(--border-color) !important;
+      color: var(--text-body) !important;
+      border-radius: var(--r-control) !important;
+      font-size: var(--fs-body);
+
+      &.is-active {
+        background: var(--edu-primary) !important;
+        border-color: var(--edu-primary) !important;
+        color: #ffffff !important;
+      }
+      &:hover:not(.is-disabled):not(.is-active) {
+        color: var(--edu-primary) !important;
+        border-color: var(--edu-primary) !important;
+      }
+    }
+
+    .el-pagination__total, .el-pagination__jump {
+      color: var(--text-body) !important;
+      font-size: var(--fs-body);
+    }
+  }
+
+  // —— 标签页 active（教育蓝下划线）——
+  .el-tabs__active-bar {
+    background-color: var(--edu-primary) !important;
+  }
+  .el-tabs__item {
+    color: var(--text-body) !important;
+    font-size: var(--fs-body);
+    &.is-active { color: var(--edu-primary) !important; font-weight: 600; }
+    &:hover { color: var(--edu-primary) !important; }
+  }
+
+  // —— 徽章/tag（学生端更圆润 10px）——
+  .el-tag {
+    border-radius: var(--r-control) !important;
+    font-size: var(--fs-body);
+  }
+
+  // —— radio / checkbox（覆盖 html.dark 的深色圆点）——
+  .el-radio__inner { border-color: var(--border-color) !important; }
+  .el-radio__input.is-checked .el-radio__inner {
+    border-color: var(--edu-primary) !important;
+    background: var(--edu-primary) !important;
+  }
+  .el-checkbox__inner { border-color: var(--border-color) !important; }
+  .el-checkbox__input.is-checked .el-checkbox__inner {
+    border-color: var(--edu-primary) !important;
+    background: var(--edu-primary) !important;
+  }
+  .el-radio__label, .el-checkbox__label { color: var(--text-strong) !important; }
+
+  // —— 滚动条（和教师端同风格，但 10px 更圆润）——
+  ::-webkit-scrollbar { width: 8px; height: 8px; }
+  ::-webkit-scrollbar-thumb {
+    background: #d1d5db;
+    border-radius: 10px;
+    &:hover { background: #9ca3af; }
+  }
+  ::-webkit-scrollbar-track { background: transparent; }
+
+  // —— Form label ——
+  .el-form-item__label {
+    color: var(--text-strong) !important;
+    font-size: var(--fs-body);
+    font-weight: 600;
+  }
+}
diff --git a/src/views/teacherEnd/exam/index.vue b/src/views/teacherEnd/exam/index.vue
index b97f00a..ac7123a 100644
--- a/src/views/teacherEnd/exam/index.vue
+++ b/src/views/teacherEnd/exam/index.vue
@@ -1,6 +1,28 @@
 <template>
   <main class="exam-admin">
     <el-tabs v-model="activeTab" class="workspace-tabs">
+      <el-tab-pane label="考评管理" name="exams">
+        <section class="assessment-toolbar" aria-label="考试筛选">
+          <div class="assessment-search"><el-input v-model="examKeyword" placeholder="请输入考试名称" clearable :prefix-icon="Search" @keyup.enter="loadExams" /><el-button :icon="Search" @click="loadExams">搜索</el-button></div>
+          <div class="toolbar-spacer" />
+          <el-button class="assessment-create" type="primary" :icon="Plus" @click="$router.push('/exam/manage/new')">新建考试</el-button>
+        </section>
+        <section v-loading="loading" class="assessment-list">
+          <article v-for="row in exams" :key="row.id" class="assessment-card">
+            <div class="assessment-cover"><el-icon><PictureFilled /></el-icon></div>
+            <div class="assessment-info"><h3>{{ row.name }}</h3><p>起止时间：{{ formatTime(row.startTime) }} - {{ formatTime(row.endTime) }}</p><p>考试时长：{{ row.durationMinutes || durationBetween(row) }}分钟</p></div>
+            <div class="assessment-status"><el-tag :type="statusMeta[row.status]?.tone || 'info'" effect="light">{{ statusMeta[row.status]?.label || row.status }}</el-tag></div>
+            <div class="assessment-actions">
+              <el-button v-if="row.status === 'NOT_STARTED'" text type="primary" :icon="RefreshLeft" @click="withdraw(row)">撤回</el-button>
+              <el-button v-if="['DRAFT','IN_PROGRESS'].includes(row.status)" text type="primary" :icon="Edit" @click="$router.push(`/exam/manage/${row.id}`)">编辑</el-button>
+              <el-button v-if="row.status === 'IN_PROGRESS'" text type="primary" :icon="RefreshLeft" @click="$router.push(`/exam/review/${row.id}`)">指定人回退</el-button>
+              <template v-if="row.status === 'ENDED'"><el-button text type="primary" :icon="EditPen" @click="$router.push(`/exam/review/${row.id}`)">评阅</el-button><el-button text type="primary" :icon="DataAnalysis" @click="$router.push(`/exam/analysis/${row.id}`)">分析</el-button><el-dropdown @command="(command) => handleExport(command, row)"><el-button text type="primary" :icon="Download">导出<el-icon class="el-icon--right"><ArrowDown /></el-icon></el-button><template #dropdown><el-dropdown-menu><el-dropdown-item command="paper">空白试卷</el-dropdown-item><el-dropdown-item command="scores">班级成绩</el-dropdown-item><el-dropdown-item command="submissions">全部答卷</el-dropdown-item></el-dropdown-menu></template></el-dropdown><el-button text type="danger" :icon="Delete" @click="removeExam(row)">删除</el-button></template>
+            </div>
+          </article>
+          <el-empty v-if="!exams.length" class="table-empty" :image-size="92" description="暂无考试" />
+        </section>
+      </el-tab-pane>
+
       <el-tab-pane label="题库管理" name="questions">
         <section class="toolbar" aria-label="题库筛选">
           <el-select v-model="questionQuery.type" placeholder="全部题型" clearable @change="loadQuestions">
@@ -58,27 +80,6 @@
         </el-table>
       </el-tab-pane>
 
-      <el-tab-pane label="考评管理" name="exams">
-        <section class="assessment-toolbar" aria-label="考试筛选">
-          <div class="assessment-search"><el-input v-model="examKeyword" placeholder="请输入考试名称" clearable :prefix-icon="Search" @keyup.enter="loadExams" /><el-button :icon="Search" @click="loadExams">搜索</el-button></div>
-          <div class="toolbar-spacer" />
-          <el-button class="assessment-create" type="primary" :icon="Plus" @click="$router.push('/exam/manage/new')">新建考试</el-button>
-        </section>
-        <section v-loading="loading" class="assessment-list">
-          <article v-for="row in exams" :key="row.id" class="assessment-card">
-            <div class="assessment-cover"><el-icon><PictureFilled /></el-icon></div>
-            <div class="assessment-info"><h3>{{ row.name }}</h3><p>起止时间：{{ formatTime(row.startTime) }} - {{ formatTime(row.endTime) }}</p><p>考试时长：{{ row.durationMinutes || durationBetween(row) }}分钟</p></div>
-            <div class="assessment-status"><el-tag :type="statusMeta[row.status]?.tone || 'info'" effect="light">{{ statusMeta[row.status]?.label || row.status }}</el-tag></div>
-            <div class="assessment-actions">
-              <el-button v-if="row.status === 'NOT_STARTED'" text type="primary" :icon="RefreshLeft" @click="withdraw(row)">撤回</el-button>
-              <el-button v-if="['DRAFT','IN_PROGRESS'].includes(row.status)" text type="primary" :icon="Edit" @click="$router.push(`/exam/manage/${row.id}`)">编辑</el-button>
-              <el-button v-if="row.status === 'IN_PROGRESS'" text type="primary" :icon="RefreshLeft" @click="$router.push(`/exam/review/${row.id}`)">指定人回退</el-button>
-              <template v-if="row.status === 'ENDED'"><el-button text type="primary" :icon="EditPen" @click="$router.push(`/exam/review/${row.id}`)">评阅</el-button><el-button text type="primary" :icon="DataAnalysis" @click="$router.push(`/exam/analysis/${row.id}`)">分析</el-button><el-dropdown @command="(command) => handleExport(command, row)"><el-button text type="primary" :icon="Download">导出<el-icon class="el-icon--right"><ArrowDown /></el-icon></el-button><template #dropdown><el-dropdown-menu><el-dropdown-item command="paper">空白试卷</el-dropdown-item><el-dropdown-item command="scores">班级成绩</el-dropdown-item><el-dropdown-item command="submissions">全部答卷</el-dropdown-item></el-dropdown-menu></template></el-dropdown><el-button text type="danger" :icon="Delete" @click="removeExam(row)">删除</el-button></template>
-            </div>
-          </article>
-          <el-empty v-if="!exams.length" class="table-empty" :image-size="92" description="暂无考试" />
-        </section>
-      </el-tab-pane>
     </el-tabs>
 
     <el-dialog v-model="questionDialog" :title="questionReadonly ? '查看题目' : (questionForm.id ? '编辑题目' : '新增题目')" width="760px" class="teacher-dialog" destroy-on-close>
@@ -111,7 +112,7 @@
 </template>
 
 <script setup>
-import { computed, onMounted, reactive, ref } from "vue";
+import { computed, onActivated, onMounted, reactive, ref } from "vue";
 import { ElMessage, ElMessageBox } from "element-plus";
 import { useRouter } from "vue-router";
 import { ArrowDown, Check, Close, DataAnalysis, Delete, Download, Edit, EditPen, FolderOpened, MagicStick, Paperclip, PictureFilled, Plus, RefreshLeft, Search, Upload } from "@element-plus/icons-vue";
@@ -119,7 +120,7 @@ import { saveAs } from "file-saver";
 import * as examApi from "@/api/exam";
 
 const router = useRouter();
-const activeTab = ref("questions");
+const activeTab = ref("exams");
 const loading = ref(false); const saving = ref(false); const importing = ref(false); const questions = ref([]); const exams = ref([]); const examKeyword = ref(""); const projectOptions = ref([]);
 const questionDialog = ref(false); const questionFormRef = ref(); const questionReadonly = ref(false);
 const importInput = ref(); const importFormat = ref("word");
@@ -136,6 +137,8 @@ const isChoice = computed(() => ["SINGLE", "MULTIPLE"].includes(questionForm.typ
 const singleAnswer = computed({ get: () => questionForm.answer?.[0] || "", set: (value) => { questionForm.answer = value ? [value] : []; } });
 
 onMounted(() => Promise.all([loadQuestions(), loadExams(), loadProjects()]));
+let examsMounted = false; // KeepAlive 缓存页面：再次进入时刷新考试列表（新建/发布后无需手动刷新），首次激活跳过避免与 onMounted 重复请求
+onActivated(() => { if (examsMounted) loadExams(); examsMounted = true; });
 async function loadProjects() { try { projectOptions.value = (await examApi.getQuestionProjects()).data || []; } catch (e) { projectOptions.value = []; } }
 async function loadQuestions() { loading.value = true; try { questions.value = (await examApi.getQuestions(questionQuery)).data || []; } finally { loading.value = false; } }
 async function loadExams() { loading.value = true; try { exams.value = (await examApi.getTeacherExams({ keyword: examKeyword.value })).data || []; } finally { loading.value = false; } }