* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
        }
        
        :root {
            --primary: #1a56db;
            --secondary: #0e2e6d;
            --accent: #00c1d4;
            --light: #f8f9fc;
            --dark: #1a202c;
            --gray: #718096;
            --success: #0e9f6e;
        }
        
        body {
            background-color: #f5f7fb;
            color: var(--dark);
            line-height: 1.6;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏样式 */
        header {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo h1 {
            color: white;
            font-size: 1.8rem;
            font-weight: 700;
        }
        
        .logo span {
            color: var(--accent);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }
        
        .nav-links a:hover {
            color: white;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: var(--accent);
            transition: width 0.3s;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        /* Hero Banner 样式 */
        .hero {
            background: linear-gradient(rgba(10, 30, 70, 0.85), rgba(10, 30, 70, 0.95)), url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
            height: 100vh;
            display: flex;
            align-items: center;
            text-align: center;
            color: white;
            padding-top: 60px;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .hero h2 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero p {
            font-size: 1.4rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
        }
        
        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .btn-primary {
            background: var(--accent);
            color: white;
            box-shadow: 0 4px 15px rgba(0, 193, 212, 0.4);
        }
        
        .btn-primary:hover {
            background: #00b0c1;
            transform: translateY(-3px);
        }
        
        .btn-outline {
            border: 2px solid white;
            color: white;
        }
        
        .btn-outline:hover {
            background: white;
            color: var(--primary);
            transform: translateY(-3px);
        }
        
        /* 服务领域部分 */
        .section {
            padding: 100px 0;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--accent);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        
        .section-subtitle {
            color: var(--gray);
            font-size: 1.2rem;
            max-width: 700px;
            margin: 20px auto 0;
        }
        
        .services {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            padding: 40px 30px;
            text-align: center;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .service-icon {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .service-card p {
            color: var(--gray);
        }
        
        /* 产品案例部分 */
        .products {
            background: var(--light);
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }
        
        .product-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
        }
        
        .product-content {
            padding: 25px;
        }
        
        .product-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--secondary);
        }
        
        .product-card p {
            color: var(--gray);
            font-size: 0.95rem;
        }
        
        .product-tag {
            display: inline-block;
            background: rgba(26, 86, 219, 0.1);
            color: var(--primary);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-top: 15px;
        }
        
        /* 公司资质部分 */
        .achievement {
            text-align: center;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
            color: white;
            padding: 70px 0;
        }
        
        .achievement-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .achievement h2 {
            font-size: 2.2rem;
            margin-bottom: 20px;
        }
        
        .achievement p {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 30px;
        }
        
        .badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.2);
            padding: 15px 30px;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 500;
            margin: 15px 10px;
        }
        
        /* 联系方式部分 */
        .contact {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .contact-info {
            padding-right: 30px;
        }
        
        .contact-info h3 {
            font-size: 1.8rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        
        .contact-detail {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }
        
        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-right: 15px;
            min-width: 30px;
        }
        
        .contact-text h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .contact-text p, .contact-text a {
            color: var(--gray);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .contact-text a:hover {
            color: var(--primary);
        }
        
        .map-container {
            height: 400px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            background: #eef2f7;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray);
            font-weight: 500;
        }
        
        /* 页脚样式 */
        footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-about h3 {
            color: white;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        
        .footer-links h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--accent);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }
        
        .beian {
            display: block;
            margin-top: 10px;
            color: rgba(255, 255, 255, 0.5);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .contact {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .hero h2 {
                font-size: 2.8rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .hero-btns {
                flex-direction: column;
                gap: 15px;
            }
        }