/* ==================== 公共样式 ==================== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
		a{
			text-decoration: none;
			}
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 60px 0;
        }
        
        h1, h2, h3, h4 {
            color: #1a3c6e;
            margin-bottom: 20px;
        }
        
        p {
            margin-bottom: 15px;
        }
        
        .btn {
            display: inline-block;
            background-color: #1a3c6e;
            color: white;
            padding: 10px 20px;
            text-decoration: none;
            border-radius: 4px;
            transition: background-color 0.3s;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background-color: #2a5ca0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .section-title h2 {
            font-size: 32px;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
		  .section-title h2 a{
           color:#1a3c6e
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: #1a3c6e;
        }
  
 /* ==================== 响应式设计 ==================== */
        @media (max-width: 1200px) {
            .intro-grid, .leadership-grid {
                grid-template-columns: 1fr;
            }
            
            .org-middle {
                flex-direction: column;
                align-items: center;
            }
            
            .org-bottom, .org-stations {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .achievement-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .achievement-stat::after {
                display: none;
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item:nth-child(even) {
                left: 0;
            }
            
            .timeline-item:nth-child(odd)::after, 
            .timeline-item:nth-child(even)::after {
                left: 21px;
            }
        }
        
        @media (max-width: 992px) {
            .tab-nav {
                flex-wrap: wrap;
            }
            
            .tab-link {
                flex: 1 0 50%;
            }
            
            .leaders {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .tab-nav {
                flex-direction: column;
            }
            
            .intro-features {
                grid-template-columns: 1fr;
            }
            
            .committee-stats {
                grid-template-columns: 1fr;
            }
            
            .org-bottom, .org-stations {
                grid-template-columns: 1fr;
            }
            
            .achievement-stats {
                grid-template-columns: 1fr;
                padding: 30px 20px;
            }
            
            .achievement-value {
                font-size: 40px;
            }
            
            .achievement-label {
                font-size: 18px;
            }
            
            section {
                padding: 40px 0;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
            
            .tab-content {
                padding: 30px 20px;
            }
            
            .leader-avatar {
                width: 80px;
                height: 80px;
                font-size: 32px;
            }
            
            .page-title h1 {
                font-size: 36px;
            }
        }
        
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            
            .section-title h2 {
                font-size: 24px;
            }
            
            .page-title h1 {
                font-size: 28px;
            }
            
            .page-title p {
                font-size: 16px;
            }
            
            .achievement-value {
                font-size: 36px;
            }
            
            .achievement-label {
                font-size: 16px;
            }
            
            .achievement-desc {
                font-size: 14px;
            }
            
            .timeline-year {
                font-size: 20px;
            }
        }