:root {
            --primary: #3a86ff;
            --secondary: #8338ec;
            --accent: #ff006e;
            --light: #f8f9fa;
            --dark: #212529;
            --success: #38b000;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            color: var(--dark);
            line-height: 1.6;
            background-color: #f9f9f9;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏样式 */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .cta-button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .cta-button:hover {
            background-color: var(--secondary);
        }
        
        /* Hero区域样式 */
        .hero {
            padding: 80px 0;
            text-align: center;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            color: #555;
        }
        
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        
        .primary-btn {
            background-color: var(--primary);
            color: white;
            padding: 12px 30px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        
        .primary-btn:hover {
            background-color: var(--secondary);
        }
        
        .secondary-btn {
            background-color: transparent;
            color: var(--primary);
            padding: 12px 30px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            border: 2px solid var(--primary);
            transition: all 0.3s;
        }
        
        .secondary-btn:hover {
            background-color: var(--primary);
            color: white;
        }
        
        /* 内容区块样式 */
        section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 优势部分样式 */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }
        
        /* 为什么选择我们样式 */
        .why-us {
            background-color: var(--light);
        }
        
        .reasons {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .reason {
            text-align: center;
            padding: 30px;
        }
        
        .reason-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        /* 用户评价样式 */
        .testimonials {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .testimonial {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #ddd;
            margin-right: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary);
        }
        
        /* FAQ样式 */
        .faq {
            background-color: var(--light);
        }
        
        .faq-item {
            margin-bottom: 20px;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .faq-question {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-answer {
            padding: 0 20px 20px;
        }
        
        /* 资讯部分样式 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .news-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .news-content {
            padding: 20px;
        }
        
        .news-date {
            color: #777;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        
        /* CTA区域样式 */
        .cta-section {
            text-align: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 100px 0;
        }
        
        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .cta-section p {
            max-width: 700px;
            margin: 0 auto 30px;
            font-size: 1.2rem;
        }
        
        /* 底部导航样式 */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: #fff;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            color: white;
            font-size: 1.5rem;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #ccc;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            section {
                padding: 60px 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
        }