修改导航栏样式

Change-Id: I49385f4dd55c40f24a30d2fe72817b92c7b14e8d
diff --git a/src/pages/Forum/ForumPage.css b/src/pages/Forum/ForumPage.css
index d5bb228..3f26e17 100644
--- a/src/pages/Forum/ForumPage.css
+++ b/src/pages/Forum/ForumPage.css
@@ -5,45 +5,6 @@
     font-family: Arial, sans-serif;
   }
   
-  .header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    background: #1f1f1f;
-    padding: 10px 20px;
-  }
-  
-  .logo {
-    height: 40px;
-  }
-  
-  .site-name {
-    margin-left: 10px;
-    font-size: 24px;
-  }
-  
-  .user-avatar {
-    height: 40px;
-    border-radius: 50%;
-  }
-  
-  .nav {
-    display: flex;
-    background: #333;
-    padding: 10px 0;
-  }
-  
-  .nav-item {
-    color: #ccc;
-    margin: 0 15px;
-    text-decoration: none;
-  }
-  
-  .nav-item.active {
-    color: #fff;
-    border-bottom: 2px solid #fff;
-  }
-  
   .forum-content {
     padding: 20px;
   }
diff --git a/src/pages/Forum/ForumPage.jsx b/src/pages/Forum/ForumPage.jsx
index 3a6163d..f51e679 100644
--- a/src/pages/Forum/ForumPage.jsx
+++ b/src/pages/Forum/ForumPage.jsx
@@ -2,7 +2,7 @@
 import { Link } from 'wouter';
 import axios from 'axios';
 import { GoodTwo, Comment } from '@icon-park/react';
-import logo from '../../assets/logo.png';
+import Header from '../../components/Header'; 
 import './ForumPage.css';
 
 const API_BASE = process.env.REACT_APP_API_BASE;
@@ -89,25 +89,7 @@
 
   return (
     <div className="forum-page">
-      <header className="header">
-        <div className="logo-and-name">
-          <img src={logo} alt="网站logo" className="logo" />
-          <span className="site-name">Echo</span>
-        </div>
-        <div className="user-and-message">
-          <img src="user-avatar.png" alt="用户头像" className="user-avatar" />
-          <span className="message-center">消息</span>
-        </div>
-      </header>
-
-      <nav className="nav">
-        <Link to="/friend-moments" className="nav-item">好友动态</Link>
-        <Link to="/forum" className="nav-item active">论坛</Link>
-        <Link to="/interest-groups" className="nav-item">兴趣小组</Link>
-        <Link to="/seed-list" className="nav-item">种子列表</Link>
-        <Link to="/publish-seed" className="nav-item">发布种子</Link>
-      </nav>
-
+      <Header /> {/* 使用 Header 组件 */}
       <div className="forum-content">
         <h2>论坛帖子列表</h2>
 
diff --git a/src/pages/SeedList/SeedList.css b/src/pages/SeedList/SeedList.css
index 50ff72f..028ef55 100644
--- a/src/pages/SeedList/SeedList.css
+++ b/src/pages/SeedList/SeedList.css
@@ -3,57 +3,6 @@
   color: white;
 }
 
-.header {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  padding: 10px;
-}
-
-.logo-and-name {
-  display: flex;
-  align-items: center;
-}
-
-.logo {
-  height: 30px;
-  margin-right: 10px;
-}
-
-.site-name {
-  font-size: 24px;
-}
-
-.user-and-message {
-  display: flex;
-  align-items: center;
-}
-
-.user-avatar {
-  height: 40px;
-  margin-right: 10px;
-}
-
-.message-center {
-  font-size: 16px;
-}
-
-.nav {
-  background-color: #b38867;
-  display: flex;
-  justify-content: center;
-}
-
-.nav-item {
-  color: white;
-  text-decoration: none;
-  padding: 10px 20px;
-}
-
-.active {
-  background-color: #996633;
-}
-
 /* 搜索、排序控件 */
 .controls {
   display: flex;
@@ -234,171 +183,3 @@
     color: white;
   }
   
-  .header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    padding: 10px;
-  }
-  
-  .logo-and-name {
-    display: flex;
-    align-items: center;
-  }
-  
-  .logo {
-    height: 30px;
-    margin-right: 10px;
-  }
-  
-  .site-name {
-    font-size: 24px;
-  }
-  
-  .user-and-message {
-    display: flex;
-    align-items: center;
-  }
-  
-  .user-avatar {
-    height: 40px;
-    margin-right: 10px;
-  }
-  
-  .message-center {
-    font-size: 16px;
-  }
-  
-  .nav {
-    background-color: #b38867;
-    display: flex;
-    justify-content: center;
-  }
-  
-  .nav-item {
-    color: white;
-    text-decoration: none;
-    padding: 10px 20px;
-  }
-  
-  .active {
-    background-color: #996633;
-  }
-  
-  /* 搜索、排序控件 */
-  .controls {
-    display: flex;
-    justify-content: center;
-    gap: 16px;
-    padding: 10px 20px;
-    background-color: #704c3b;
-  }
-  
-  .search-input {
-    padding: 6px 10px;
-    border-radius: 6px;
-    border: none;
-    width: 200px;
-  }
-  
-  .sort-select {
-    padding: 6px;
-    border-radius: 6px;
-    border: none;
-  }
-  
-  /* 标签过滤 */
-  .tag-filters {
-    display: flex;
-    justify-content: center;
-    flex-wrap: wrap;
-    gap: 8px;
-    padding: 10px;
-  }
-  
-  .tag-button {
-    background-color: #b38867;
-    color: white;
-    border: none;
-    border-radius: 20px;
-    padding: 6px 12px;
-    cursor: pointer;
-  }
-  
-  .active-tag {
-    background-color: #d17c4f;
-  }
-  
-  /* 卡片展示 */
-  .seed-list-content {
-    padding: 20px;
-  }
-  
-  .seed-cards {
-    display: grid;
-    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
-    gap: 20px;
-  }
-  
-  .seed-card {
-    background-color: #fff;
-    border-radius: 12px;
-    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
-    padding: 16px;
-    display: flex;
-    flex-direction: column;
-    justify-content: space-between;
-    color: #333;
-    transition: transform 0.2s ease;
-  }
-  
-  .seed-card:hover {
-    transform: translateY(-5px);
-  }
-  
-  .seed-card-header h3 {
-    font-size: 1.2rem;
-    margin-bottom: 10px;
-    color: #333;
-  }
-  
-  .seed-card-body p {
-    margin: 4px 0;
-    font-size: 0.95rem;
-    color: #666;
-  }
-  
-  .seed-card-actions {
-    display: flex;
-    gap: 10px;
-    margin-top: 12px;
-  }
-  
-  .btn-primary,
-  .btn-secondary,
-  .btn-outline {
-    padding: 6px 12px;
-    border: none;
-    border-radius: 6px;
-    cursor: pointer;
-    font-size: 0.9rem;
-  }
-  
-  .btn-primary {
-    background-color: #007bff;
-    color: white;
-  }
-  
-  .btn-secondary {
-    background-color: #28a745;
-    color: white;
-    text-decoration: none;
-    text-align: center;
-  }
-  
-  .btn-outline {
-    background-color: transparent;
-    border: 1px solid #ccc;
-    color: #333;
-  }
-  
diff --git a/src/pages/UserCenter/NewUserTodo/NewUserTodo.css b/src/pages/UserCenter/NewUserTodo/NewUserTodo.css
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/pages/UserCenter/NewUserTodo/NewUserTodo.css
diff --git a/src/pages/UserCenter/NewUserTodo/NewUserTodo.jsx b/src/pages/UserCenter/NewUserTodo/NewUserTodo.jsx
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/pages/UserCenter/NewUserTodo/NewUserTodo.jsx