* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }
           .banner {
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
            color: #fff;
           
            text-align: center;
            position: relative;
            overflow: hidden;
             height: auto;
  display: block;
  object-fit: contain;
        }
        
        .banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
            background-size: 200px 200px;
            opacity: 0.5;
        }
        
        .banner-content {
           
            margin: 0 auto;
            position: relative;
            z-index: 1;
          
  
        }
        .banner img{
             max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain; 
        }
        .container {
            
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background-color: #fff;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
            margin-top: 20px;
            margin-bottom: 20px;
        }
        
        header {
            background-color: #e74c3c;
            
        }
        
        header h1 {
            font-size: 28px;
            font-weight: bold;
        }
        
        nav {
            background-color: #f8f9fa;
            padding: 15px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        nav ul {
            list-style: none;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        nav ul li {
            margin: 0 15px;
        }
        
        nav ul li a {
            text-decoration: none;
            color: #666;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: #e74c3c;
        }
        
        .breadcrumb {
            margin-bottom: 20px;
            font-size: 14px;
            color: #666;
        }
        
        .breadcrumb a {
            color: #666;
            text-decoration: none;
            font-size: 18px;
            font-weight: bold;
        }
        
        .content {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .main-content {
            flex: 1;
            min-width: 300px;
        }
        
        .main-content h2 {
            font-size: 24px;
            color: #666;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #666;
            font-weight: bold;
        }
        .scientist-profile h2{

            font-size: 24px;
            color: #e74c3c;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #666;
            font-weight: bold; 
            text-align: center;
           
        }

        .news-list {
            list-style: none;
        }
        
        .news-list li {
            padding: 15px 0;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .news-list li:last-child {
            border-bottom: none;
        }
        
        .news-item {
            display: flex;
            align-items: flex-start;
        }
        
        .news-date {
            flex: 0 0 120px;
            color: #666;
            font-size: 14px;
        }
        
        .news-title {
            flex: 1;
        }
        
        .news-title a {
            text-decoration: none;
            color: #666;
            font-weight: 500;
            transition: color 0.3s;
            font-size: 18px;
        }
        
        .news-title a:hover {
            color: #e74c3c;
        }
        
        .sidebar {
            flex: 0 0 300px;
            min-width: 250px;
        }
        
        .sidebar h3 {
            font-size: 18px;
            color: #666;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #e0e0e0;
            font-weight: bold;
        }
        
        .recommended-list {
            list-style: none;
        }
        
        .recommended-list li {
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .recommended-list li:last-child {
            border-bottom: none;
        }
        
        .recommended-list a {
            text-decoration: none;
            color: #666;
            
            transition: color 0.3s;
            font-size: 16px;
        }
        
        .recommended-list a:hover {
            color: #e74c3c;
        }
        
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 30px 0;
            gap: 10px;
        }
        
        .pagination a {
            display: inline-block;
            padding: 5px 10px;
            text-decoration: none;
            color: #333;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .pagination li{
            clear: both;
            border: 0px;
        }
        
        .pagination a:hover {
            background-color: #e74c3c;
            color: #fff;
            border-color: #e74c3c;
        }
        
        .pagination .current {
            background-color: #c0392b;
            color: #fff;
            border-color: #c039;
        }
        
        .footer {
            background: #c0392b;
            color: #fff;
            padding: 40px 20px 20px;
            margin-top: 50px;
        }
        
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .footer-section {
            flex: 1;
            min-width: 200px;
        }
        
        .footer-section h4 {
            font-size: 16px;
            margin-bottom: 15px;
            color: #fff;
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: 10px;
        }
        
        .footer-section ul li a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }
        
        .footer-section ul li a:hover {
            color: #fff;
        }
        
        .footer-bottom {
            max-width: 1400px;
            margin: 30px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.2);
            text-align: center;
            font-size: 14px;
            color: rgba(255,255,255,0.7);
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
        }
        
        .footer-links a:hover {
            color: #fff;
        }
        .copyright {
   width: 100%;
    box-sizing: border-box;
    text-align: center;
    padding: 12px 15px;
   
   
    margin: 0 auto;
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}
        
        @media (max-width: 768px) {
            .content {
                flex-direction: column;
            }
            
            .sidebar {
                order: -1;
            }
            
            nav ul {
                flex-direction: column;
                align-items: center;
            }
            
            nav ul li {
                margin: 5px 0;
            }
        }