* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        section {
            padding: 80px 0;
        }
        
        h1, h2, h3, h4 {
            color: #2c3e50;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
        }
        
        h1 {
            font-size: 2.8rem;
        }
        
        h2 {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        
        h2:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: #3498db;
            border-radius: 2px;
        }
        
        h3 {
            font-size: 1.6rem;
        }
        
        p {
            margin-bottom: 20px;
            color: #555;
        }
        
        .btn {
            display: inline-block;
            padding: 14px 32px;
            background-color: #3498db;
            color: white;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        
        .btn:hover {
            background-color: #2980b9;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        /* 导航栏样式 */
        header {
            background-color: white;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: #2c3e50;
            text-decoration: none;
        }
        
        .logo span {
            color: #3498db;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 35px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 600;
            font-size: 1.05rem;
            transition: color 0.3s ease;
            position: relative;
        }
        
        .nav-links a:hover {
            color: #3498db;
        }
        
        .nav-links a.active {
            color: #3498db;
        }
        
        .nav-links a.active:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #3498db;
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #333;
        }
        
        /* Hero区域 */
        .hero {
            background: linear-gradient(135deg, #1a2980 0%, #26d0ce 100%);
            color: white;
            padding: 180px 0 120px;
            text-align: center;
            margin-top: 80px;
        }
        
        .hero h1 {
            color: white;
            font-size: 3.2rem;
            margin-bottom: 25px;
            line-height: 1.2;
        }
        
        .hero p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 40px;
        }
        
        /* 关于我们区域 */
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 40px;
        }
        
        .stat-item {
            flex: 1;
            min-width: 150px;
            text-align: center;
            padding: 20px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: #3498db;
            display: block;
            line-height: 1;
        }
        
        .stat-text {
            font-size: 1rem;
            color: #666;
            margin-top: 10px;
        }
        
        /* 业务区域 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .service-icon {
            background: #3498db;
            color: white;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
        }
        
        .service-content {
            padding: 30px;
        }
        
        .service-content h3 {
            margin-bottom: 15px;
        }
        
        /* 动态区域 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .news-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .news-date {
            background: #f8f9fa;
            padding: 15px;
            text-align: center;
            border-bottom: 1px solid #eee;
        }
        
        .news-date span {
            display: block;
            font-size: 1.8rem;
            font-weight: 700;
            color: #3498db;
        }
        
        .news-content {
            padding: 25px;
        }
        
        .news-content h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
        }
        
        .news-content p {
            color: #666;
            font-size: 0.95rem;
        }
        
        /* 联系区域 */
        .contact-container {
            display: flex;
            gap: 50px;
            flex-wrap: wrap;
        }
        
        .contact-info {
            flex: 1;
            min-width: 300px;
        }
        
        .contact-form {
            flex: 1;
            min-width: 300px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
        }
        
        .contact-icon {
            background: #3498db;
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }
        
        .form-control {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        
        .form-control:focus {
            border-color: #3498db;
            outline: none;
        }
        
        /* 底部区域 */
        footer {
            background: #2c3e50;
            color: white;
            padding: 70px 0 30px;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-column h3 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.4rem;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
            color: #3498db;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            h1 {
                font-size: 2.4rem;
            }
            
            h2 {
                font-size: 1.9rem;
            }
            
            .hero h1 {
                font-size: 2.6rem;
            }
            
            .about-content {
                flex-direction: column;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero {
                padding: 150px 0 100px;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            section {
                padding: 60px 0;
            }
        }
        
        @media (max-width: 576px) {
            .hero h1 {
                font-size: 1.9rem;
            }
            
            h2 {
                font-size: 1.7rem;
            }
            
            .stat-item {
                min-width: 100%;
            }
        }