diff --git a/offer_frontend/src/layouts/PortalLayout.vue b/offer_frontend/src/layouts/PortalLayout.vue
index 14aeb29..f3d6394 100644
--- a/offer_frontend/src/layouts/PortalLayout.vue
+++ b/offer_frontend/src/layouts/PortalLayout.vue
@@ -1,28 +1,91 @@
 <template>
-  <el-container class="portal-layout">
-    <el-header>
-      <div class="header-inner">
-        <router-link to="/" class="logo">集团招聘</router-link>
-        <nav>
-          <router-link to="/jobs">职位列表</router-link>
-          <router-link to="/companies">公司介绍</router-link>
-        </nav>
-        <div class="header-actions">
+  <div class="portal-wrap">
+    <!-- 顶部公告条 -->
+    <div class="top-bar">
+      <div class="top-bar-inner">
+        <span class="top-bar-left">欢迎访问集团人才招募平台</span>
+        <div class="top-bar-right">
           <template v-if="auth.isLoggedIn">
-            <router-link v-if="auth.isSeeker" to="/seeker/applications">我的投递</router-link>
-            <router-link v-else to="/admin/jobs">管理后台</router-link>
-            <el-button text @click="logout">退出</el-button>
+            <router-link v-if="auth.isSeeker" to="/seeker/applications" class="top-link">我的投递</router-link>
+            <router-link v-else to="/admin/jobs" class="top-link">管理后台</router-link>
+            <span class="top-divider">|</span>
+            <span class="top-link clickable" @click="logout">退出登录</span>
           </template>
           <template v-else>
-            <router-link to="/login"><el-button>登录</el-button></router-link>
-            <router-link to="/register"><el-button type="primary">注册</el-button></router-link>
+            <router-link to="/login" class="top-link">登录</router-link>
+            <span class="top-divider">|</span>
+            <router-link to="/register" class="top-link">注册</router-link>
           </template>
         </div>
       </div>
-    </el-header>
-    <el-main><router-view /></el-main>
-    <el-footer>© 集团招聘平台</el-footer>
-  </el-container>
+    </div>
+
+    <!-- 主导航 -->
+    <header class="main-header">
+      <div class="header-inner">
+        <!-- Logo 区域 -->
+        <router-link to="/home" class="logo-area">
+          <div class="logo-emblem">
+            <div class="emblem-ring">
+              <span class="emblem-char">招</span>
+            </div>
+          </div>
+          <div class="logo-text-block">
+            <span class="logo-title">集团招聘平台</span>
+            <span class="logo-sub">GROUP TALENT RECRUITMENT</span>
+          </div>
+        </router-link>
+
+        <!-- 导航 -->
+        <nav class="main-nav">
+          <router-link to="/home" class="nav-link" active-class="active">首页</router-link>
+          <router-link to="/jobs" class="nav-link" active-class="active">职位列表</router-link>
+          <router-link to="/companies" class="nav-link" active-class="active">公司介绍</router-link>
+        </nav>
+
+        <!-- 操作区 -->
+        <div class="header-actions">
+          <template v-if="!auth.isLoggedIn">
+            <router-link to="/login">
+              <button class="btn-ghost">登录</button>
+            </router-link>
+            <router-link to="/register">
+              <button class="btn-primary">立即注册</button>
+            </router-link>
+          </template>
+          <template v-else>
+            <div class="user-badge">
+              <span class="user-avatar">{{ auth.user?.username?.[0]?.toUpperCase() }}</span>
+              <span class="user-name">{{ auth.user?.username }}</span>
+            </div>
+          </template>
+        </div>
+      </div>
+
+      <!-- 红色底线 -->
+      <div class="header-underline">
+        <div class="underline-fill"></div>
+      </div>
+    </header>
+
+    <!-- 内容区 -->
+    <main class="portal-main">
+      <router-view />
+    </main>
+
+    <!-- 页脚 -->
+    <footer class="portal-footer">
+      <div class="footer-inner">
+        <div class="footer-logo">
+          <div class="f-emblem">招</div>
+          <span>集团招聘平台</span>
+        </div>
+        <div class="footer-copy">
+          Copyright © 集团招聘平台 · All Rights Reserved · 为国家建设输送优秀人才
+        </div>
+      </div>
+    </footer>
+  </div>
 </template>
 
 <script setup>
@@ -34,11 +97,224 @@ const logout = () => { auth.logout(); router.push('/') }
 </script>
 
 <style scoped>
-.portal-layout { min-height: 100vh; }
-.el-header { display: flex; align-items: center; background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.1); }
-.header-inner { display: flex; align-items: center; width: 100%; max-width: 1200px; margin: 0 auto; }
-.logo { font-size: 20px; font-weight: bold; color: #409eff; text-decoration: none; margin-right: 32px; }
-nav { display: flex; gap: 24px; flex: 1; }
-nav a { text-decoration: none; color: #333; }
-.header-actions { display: flex; gap: 12px; align-items: center; }
+:root {
+  --c-red: #B5272C;
+  --c-dark: #0E1E3D;
+  --c-gold: #C8973A;
+  --c-cream: #F8F4EF;
+  --c-border: #E2D9D0;
+}
+
+* { box-sizing: border-box; margin: 0; padding: 0; }
+a { text-decoration: none; }
+
+.portal-wrap {
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  background: #F0EDE8;
+  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
+}
+
+/* 顶部公告条 */
+.top-bar {
+  background: #0E1E3D;
+  color: rgba(255,255,255,0.65);
+  font-size: 12px;
+  letter-spacing: 0.05em;
+}
+.top-bar-inner {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 6px 32px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+.top-bar-left::before {
+  content: '★';
+  color: #C8973A;
+  margin-right: 6px;
+  font-size: 10px;
+}
+.top-bar-right { display: flex; align-items: center; gap: 6px; }
+.top-link { color: rgba(255,255,255,0.65); transition: color 0.2s; }
+.top-link:hover, .clickable:hover { color: #C8973A; cursor: pointer; }
+.top-divider { color: rgba(255,255,255,0.25); }
+
+/* 主导航 */
+.main-header {
+  background: linear-gradient(180deg, #12264F 0%, #0E1E3D 100%);
+  box-shadow: 0 4px 20px rgba(14,30,61,0.4);
+  position: sticky;
+  top: 0;
+  z-index: 100;
+}
+.header-inner {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 0 32px;
+  height: 72px;
+  display: flex;
+  align-items: center;
+  gap: 48px;
+}
+
+/* Logo */
+.logo-area {
+  display: flex;
+  align-items: center;
+  gap: 14px;
+  flex-shrink: 0;
+}
+.logo-emblem { position: relative; }
+.emblem-ring {
+  width: 48px; height: 48px;
+  border-radius: 50%;
+  border: 2px solid #C8973A;
+  background: linear-gradient(135deg, rgba(200,151,58,0.15), rgba(200,151,58,0.05));
+  display: flex; align-items: center; justify-content: center;
+  box-shadow: 0 0 16px rgba(200,151,58,0.3), inset 0 0 8px rgba(200,151,58,0.1);
+}
+.emblem-char {
+  font-size: 20px;
+  font-weight: 900;
+  color: #C8973A;
+  letter-spacing: -1px;
+}
+.logo-text-block { display: flex; flex-direction: column; }
+.logo-title {
+  font-size: 20px;
+  font-weight: 800;
+  color: #FFFFFF;
+  letter-spacing: 0.15em;
+  line-height: 1.2;
+}
+.logo-sub {
+  font-size: 9px;
+  color: rgba(200,151,58,0.7);
+  letter-spacing: 0.2em;
+  margin-top: 2px;
+}
+
+/* 导航链接 */
+.main-nav {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  flex: 1;
+}
+.nav-link {
+  position: relative;
+  padding: 8px 20px;
+  color: rgba(255,255,255,0.75);
+  font-size: 14px;
+  letter-spacing: 0.08em;
+  transition: color 0.2s;
+  border-radius: 4px;
+}
+.nav-link::after {
+  content: '';
+  position: absolute;
+  bottom: 4px; left: 50%; right: 50%;
+  height: 2px;
+  background: #C8973A;
+  border-radius: 1px;
+  transition: left 0.25s ease, right 0.25s ease;
+}
+.nav-link:hover { color: #fff; }
+.nav-link:hover::after, .nav-link.active::after { left: 20%; right: 20%; }
+.nav-link.active { color: #C8973A; font-weight: 600; }
+
+/* 操作区 */
+.header-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
+.btn-ghost {
+  padding: 7px 20px;
+  background: transparent;
+  border: 1px solid rgba(255,255,255,0.35);
+  color: rgba(255,255,255,0.85);
+  border-radius: 3px;
+  font-size: 13px;
+  cursor: pointer;
+  letter-spacing: 0.05em;
+  transition: all 0.2s;
+  font-family: inherit;
+}
+.btn-ghost:hover { border-color: #C8973A; color: #C8973A; }
+.btn-primary {
+  padding: 7px 20px;
+  background: #B5272C;
+  border: 1px solid #B5272C;
+  color: #fff;
+  border-radius: 3px;
+  font-size: 13px;
+  cursor: pointer;
+  letter-spacing: 0.05em;
+  transition: all 0.2s;
+  font-weight: 600;
+  font-family: inherit;
+}
+.btn-primary:hover { background: #9A2024; border-color: #9A2024; }
+.user-badge {
+  display: flex; align-items: center; gap: 8px;
+  padding: 6px 14px;
+  background: rgba(255,255,255,0.08);
+  border: 1px solid rgba(255,255,255,0.15);
+  border-radius: 24px;
+}
+.user-avatar {
+  width: 26px; height: 26px;
+  background: #B5272C;
+  border-radius: 50%;
+  display: flex; align-items: center; justify-content: center;
+  font-size: 12px; font-weight: 700; color: #fff;
+}
+.user-name { color: rgba(255,255,255,0.85); font-size: 13px; }
+
+/* 红色底线装饰 */
+.header-underline { height: 3px; background: #0E1E3D; }
+.underline-fill {
+  height: 100%;
+  background: linear-gradient(90deg, #B5272C 0%, #E63329 40%, #C8973A 100%);
+}
+
+/* 内容区 */
+.portal-main {
+  flex: 1;
+  max-width: 1280px;
+  width: 100%;
+  margin: 0 auto;
+  padding: 24px 32px;
+}
+
+/* 页脚 */
+.portal-footer {
+  background: #0E1E3D;
+  border-top: 3px solid #B5272C;
+  padding: 20px 0;
+}
+.footer-inner {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 0 32px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+.footer-logo {
+  display: flex; align-items: center; gap: 10px;
+  color: rgba(255,255,255,0.7);
+  font-size: 14px; letter-spacing: 0.1em;
+}
+.f-emblem {
+  width: 28px; height: 28px; border-radius: 50%;
+  border: 1px solid #C8973A;
+  color: #C8973A; font-weight: 900; font-size: 13px;
+  display: flex; align-items: center; justify-content: center;
+}
+.footer-copy {
+  font-size: 12px;
+  color: rgba(255,255,255,0.35);
+  letter-spacing: 0.05em;
+}
 </style>