/* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', Arial, sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        
        a {
            text-decoration: none;
            color: #2c7873;
        }
        
        img {
            max-width: 100%;
            height: auto;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .btn {
            display: inline-block;
            background-color: #2c7873;
            color: white;
            padding: 10px 20px;
            border-radius: 4px;
            transition: background-color 0.3s;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background-color: #1f5c57;
        }
         
     /* 主要内容区域 */
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/banner01.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 100px 20px;
            margin-bottom: 40px;
        }
        
        .hero h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            color: #2c7873;
        }
        
        .section-title h2 {
            font-size: 2rem;
            position: relative;
            display: inline-block;
            padding-bottom: 10px;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: #2c7873;
        }
        
        
        /* 服务部分 */
        .services {
            padding: 60px 0;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
        }
        
        .service-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .service-card-content {
            padding: 20px;
        }
        
        .service-card h3 {
            margin-bottom: 10px;
            color: #2c7873;
        }
        
        /* 关于我们部分 */
        .about {
            padding: 60px 0;
            background-color: #e9f5f4;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-image {
            flex: 1;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        /* 新闻部分 */
        .news {
            padding: 60px 0;
        }
        
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .news-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .news-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .news-card-content {
            padding: 20px;
        }
        
        .news-card h3 {
            margin-bottom: 10px;
        }
        
        .news-date {
            color: #777;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        
        
          /* 页脚 */
        footer {
            background-color: #333;
            color: white;
            padding: 30px 0;
            margin-top: 40px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
        }
        
        .footer-section {
            flex: 1;
            padding: 0 15px;
        }
        
        .footer-section h3 {
            margin-bottom: 15px;
            color: #0066a1;
        }
        
        .footer-bottom {
            text-align: center;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #444;
        }
        
		
        /* 顶部信息栏 */
        .top-bar {
            background-color: #004a8f;
            color: white;
            padding: 8px 0;
            font-size: 14px;
        }

        .top-bar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-links a {
            color: white;
            text-decoration: none;
            margin-left: 20px;
            transition: color 0.3s;
        }

        .top-links a:hover {
            color: #ffc107;
        }

        /* 导航栏样式 */
        .navbar {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            font-size: 28px;
            font-weight: 600;
            color: #004a8f;
            text-decoration: none;
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 10px;
            color: #004a8f;
        }

        .nav-menu {
            display: flex;
            list-style: none;
        }

        .nav-item {
            position: relative;
            margin: 0 15px;
        }

        .nav-link {
            color: #333;
            text-decoration: none;
            font-weight: 500;
            font-size: 18px;
            padding: 10px 0;
            display: flex;
            align-items: center;
            transition: color 0.3s;
        }

        .nav-link:hover {
            color: #004a8f;
        }

        .nav-link i {
            margin-left: 5px;
            font-size: 14px;
            transition: transform 0.3s;
        }

        .nav-item:hover .nav-link i {
            transform: rotate(180deg);
        }

        /* 下拉菜单样式 */
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: white;
            min-width: 200px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-radius: 4px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .nav-item:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown-item {
            display: block;
            padding: 12px 20px;
            color: #333;
            text-decoration: none;
            border-bottom: 1px solid #f0f0f0;
            transition: all 0.3s;
        }

        .dropdown-item:hover {
            background-color: #f8f9fa;
            color: #004a8f;
            padding-left: 25px;
        }

        .dropdown-item:last-child {
            border-bottom: none;
        }

        /* 汉堡菜单按钮 */
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 24px;
            color: #004a8f;
        }

		
		
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content,
            .contact-content {
                flex-direction: column;
            }
            
            .about-image {
                order: -1;
            }
			        /* 页脚 */
        footer {
            background-color: #333;
            color: white;
            padding: 30px 0;
            margin-top: 40px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
        }
        
        .footer-section {
            flex: 1;
            padding: 0 15px;
        }
        
        .footer-section h3 {
            margin-bottom: 15px;
            color: #0066a1;
        }
        
        .footer-bottom {
            text-align: center;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #444;
        }
        }
        
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            
            nav {
                width: 100%;
                margin-top: 15px;
                display: none;
            }
            
            nav.active {
                display: block;
            }
            
            nav ul {
                flex-direction: column;
            }
            
            nav ul li {
                margin: 0;
                border-bottom: 1px solid #eee;
            }
            
            nav ul li a {
                display: block;
                padding: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h2 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
			
			   .footer-content {
                flex-direction: column;
            }
            
            .footer-section {
                margin-bottom: 20px;
            }
			   .page-header {
                padding: 60px 0;
            }
            
            .page-header h2 {
                font-size: 30px;
            }
        }
        
        @media (max-width: 576px) {
            .hero {
                padding: 60px 20px;
            }
            
            .services,
            .about,
            .news,
            .contact {
                padding: 40px 0;
            }
            
            .footer-column {
                min-width: 100%;
            }
        }