:root {
            --primary-color: #1a73e8;
            --secondary-color: #34a853;
            --accent-color: #fbbc05;
            --dark-color: #202124;
            --light-color: #f8f9fa;
            --gray-color: #5f6368;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: var(--dark-color);
            background-color: #fff;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏样式 */
        header {
            background-color: #fff;
            box-shadow: 0 2px 10px 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 {
            font-size: 24px;
            color: var(--primary-color);
            margin-left: 10px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary-color);
        }
        
        .mobile-menu {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 英雄区域样式 */
        .hero {
            background: linear-gradient(135deg, #1a73e8 0%, #4285f4 100%);
            color: white;
            padding: 150px 0 100px;
            text-align: center;
        }
        
        .hero h2 {
            font-size: 42px;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        .cta-button {
            display: inline-block;
            background-color: var(--accent-color);
            color: var(--dark-color);
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .cta-button:hover {
            background-color: #e6a900;
            transform: translateY(-3px);
        }
        
        /* 服务区域样式 */
        .services {
            /* padding: 100px 0; */
            background-color: var(--light-color);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: var(--dark-color);
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: var(--gray-color);
            max-width: 600px;
            margin: 0 auto;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 10px;
            padding: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
        }
        
        .service-icon {
            font-size: 40px;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .service-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
        }
        
        .service-card p {
            color: var(--gray-color);
            margin-bottom: 20px;
        }
        
        .priority {
            display: inline-block;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
        }
        
        .priority-high {
            background-color: #ffebee;
            color: #d32f2f;
        }
        
        .priority-medium {
            background-color: #fff3e0;
            color: #f57c00;
        }
        
        .priority-low {
            background-color: #e8f5e9;
            color: #388e3c;
        }
        
        /* 流程区域样式 */
        .process {
            padding: 100px 0;
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
        }
        
        .process-steps::before {
            content: '';
            position: absolute;
            top: 30px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #e0e0e0;
            z-index: 1;
        }
        
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
        }
        
        .step-number {
            width: 60px;
            height: 60px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            margin: 0 auto 20px;
        }
        
        .step h4 {
            margin-bottom: 10px;
        }
        
        /* 关于我们区域样式 */
        .about {
            padding: 100px 0;
            background-color: var(--light-color);
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* 联系区域样式 */
        .contact {
            padding: 100px 0;
        }
        
        .contact-info {
            display: flex;
            justify-content: space-between;
            margin-top: 50px;
        }
        
        .contact-details, .contact-form {
            flex: 1;
        }
        
        .contact-details {
            padding-right: 50px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
        }
        
        .contact-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-right: 15px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 500;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        
        .submit-btn:hover {
            background-color: #0d62c9;
        }
        
        /* 页脚样式 */
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
        }
        
        .footer-column {
            flex: 1;
        }
        
        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--primary-color);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #bdc1c6;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #3c4043;
            color: #bdc1c6;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 10px 0;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .hero h2 {
                font-size: 32px;
            }
            
            .about-content, .contact-info, .footer-content {
                flex-direction: column;
            }
            
            .contact-details {
                padding-right: 0;
                margin-bottom: 40px;
            }
            
            .process-steps {
                flex-direction: column;
            }
            
            .process-steps::before {
                display: none;
            }
            
            .step {
                margin-bottom: 30px;
            }
        }