/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }
        
        a {
            text-decoration: none;
            color: #0066cc;
            transition: color 0.3s;
        }
        
        a:hover {
            color: #004499;
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 头部样式 */
        header {
            background-color: #fff;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 15px 0;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo-section {
            display: flex;
            align-items: center;
        }
        
        .logo {
            width: 302px;
            height: 68px;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        
        .school-name {
            font-size: 24px;
            font-weight: bold;
            color: #0066cc;
        }
        
        .slogan {
            font-size: 18px;
            color: #0066cc;
            text-align: right;
			font-weight: bolder;
        }
        
        /* 导航菜单 */
        nav {
            background-color: #0066cc;
        }
        
        .nav-menu {
            display: flex;
            justify-content: space-between;
        }
        
        .nav-menu li {
            flex: 1;
            text-align: center;
        }
        
        .nav-menu a {
            display: block;
            padding: 15px 10px;
            color: white;
            font-size: 16px;
            transition: background-color 0.3s;
        }
        
        .nav-menu a:hover {
            background-color: #0055aa;
        }
        
        /* Banner区域 */
        .banner {
            height: 399px;
			width: 100%;
            background-color: #e6f2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 30px;
            background-image:url(../pic/banner.png);
            background-size: cover;
            background-position: center;
        }
        
        .banner-text {
            font-size: 28px;
            color: #0066cc;
            text-align: center;
            background-color: rgba(255, 255, 255, 0.8);
            padding: 10px 20px;
            border-radius: 5px;
        }
        
        /* 主体内容区域 */
        .main-content {
            margin-bottom: 30px;
        }
        
        .section-title {
            font-size: 22px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #0066cc;
            color: #0066cc;
        }
        
        /* 首页板块布局 */
        .grid-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .grid-item {
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .grid-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .grid-item h3 {
            font-size: 18px;
            margin-bottom: 15px;
            color: #0066cc;
            padding-bottom: 8px;
            border-bottom: 1px solid #eee;
        }
        
        /* 新闻列表样式 */
        .news-list {
            margin-top: 10px;
        }
        
        .news-list li {
            padding: 8px 0;
            border-bottom: 1px dashed #eee;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .news-list li:last-child {
            border-bottom: none;
        }
        
        .news-title {
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-right: 10px;
        }
        
        .news-date {
            color: #999;
            font-size: 14px;
            flex-shrink: 0;
        }
        
        .more-link {
            display: block;
            text-align: right;
            margin-top: 10px;
            font-size: 14px;
            color: #666;
        }
        
        /* 栏目页和内容页布局 */
        .content-layout {
            display: flex;
            gap: 20px;
        }
        
        .sidebar {
            flex: 0 0 250px;
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .main-area {
            flex: 1;
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        /* 树形菜单 */
        .tree-menu li {
            margin-bottom: 10px;
        }
        
        .tree-menu a {
            display: block;
            padding: 8px 15px;
            border-left: 3px solid transparent;
            transition: all 0.3s;
        }
        
        .tree-menu a:hover, .tree-menu a.active {
            background-color: #e6f2ff;
            border-left-color: #0066cc;
            color: #0066cc;
        }
        
        /* 内容页样式 */
        .article-title {
            font-size: 24px;
            margin-bottom: 15px;
            color: #333;
        }
        
        .article-meta {
            color: #999;
            font-size: 14px;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        
        .article-content {
            line-height: 1.8;
        }
        
        .article-content p {
            margin-bottom: 15px;
        }
        
        /* 底部样式 */
        footer {
            background-color: #333;
            color: #fff;
            padding: 30px 0;
            text-align: center;
        }
        
        .footer-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .copyright {
            margin-bottom: 10px;
        }
        
        .address {
            font-size: 14px;
            color: #ccc;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .grid-container {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .content-layout {
                flex-direction: column;
            }
            
            .sidebar {
                flex: none;
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            .logo-section {
                margin-bottom: 10px;
            }
            
            .slogan {
                text-align: center;
            }
            
            .nav-menu {
                flex-wrap: wrap;
            }
            
            .nav-menu li {
                flex: 0 0 50%;
            }
            
            .grid-container {
                grid-template-columns: 1fr;
            }
            
            .banner {
                height: 200px;
            }
            
            .banner-text {
                font-size: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .nav-menu li {
                flex: 0 0 100%;
            }
            
            .school-name {
                font-size: 20px;
            }
            
            .slogan {
                font-size: 14px;
            }
        }