:root {
            --primary-color: #0d6efd;
            --secondary-color: #198754;
            --accent-color: #fd7e14;
            --light-color: #f8f9fa;
            --dark-color: #212529;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
        }
        .hero-section {
            background: linear-gradient(rgba(13, 110, 253, 0.9), rgba(25, 135, 84, 0.9)), url('https://images.unsplash.com/photo-1560518883-ce09059eeffa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
        }
        .service-card {
            transition: transform 0.3s, box-shadow 0.3s;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }
        .service-icon {
            width: 80px;
            height: 80px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 32px;
        }
        .price-badge {
            background: var(--accent-color);
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: bold;
            position: absolute;
            top: 20px;
            right: 20px;
        }
        .testimonial-card {
            background: var(--light-color);
            border-radius: 12px;
            padding: 30px;
            height: 100%;
            position: relative;
        }
        .testimonial-card::before {
            content: "\201C";
            font-size: 80px;
            color: var(--primary-color);
            opacity: 0.2;
            position: absolute;
            top: 10px;
            left: 20px;
        }
        .contact-form input, .contact-form textarea {
            border-radius: 8px;
            padding: 12px 15px;
            border: 1px solid #dee2e6;
        }
        .contact-form input:focus, .contact-form textarea:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background: #f8f9fa;
            border-radius: 6px;
            color: #495057;
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .footer {
            background: #343a40;
            color: #e9ecef;
            padding: 60px 0 30px;
        }
        .footer a {
            color: #adb5bd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: white;
        }
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1020;
        }
        .cta-button {
            background: var(--accent-color);
            border: none;
            padding: 12px 30px;
            font-weight: bold;
            border-radius: 8px;
            transition: all 0.3s;
        }
        .cta-button:hover {
            background: #e96c00;
            transform: scale(1.05);
        }
        .stats-section {
            background: linear-gradient(135deg, var(--primary-color), #0b5ed7);
            color: white;
            border-radius: 20px;
            padding: 60px 30px;
            margin: 80px 0;
        }
        .stat-number {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
                text-align: center;
            }
            .stat-number {
                font-size: 36px;
            }
            .service-card {
                margin-bottom: 30px;
            }
        }
        .process-step {
            position: relative;
            padding-left: 40px;
            margin-bottom: 30px;
        }
        .process-step::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 30px;
            height: 30px;
            background: var(--primary-color);
            border-radius: 50%;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .step-1::before { content: '1'; }
        .step-2::before { content: '2'; }
        .step-3::before { content: '3'; }
        .step-4::before { content: '4'; }
        .step-5::before { content: '5'; }
        .step-6::before { content: '6'; }