:root {
            --primary-color: #007bff;
            --secondary-color: #6c757d;
            --accent-color: #28a745;
            --light-bg: #f8f9fa;
            --dark-bg: #343a40;
            --text-dark: #212529;
            --text-light: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 123, 255, 0.85), rgba(40, 167, 69, 0.85)), url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 80px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 3px;
            background-color: var(--accent-color);
        }
        .text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .service-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .process-step {
            position: relative;
            padding: 30px;
            background: var(--light-bg);
            border-radius: 10px;
            text-align: center;
        }
        .step-number {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background: var(--accent-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .price-table th {
            background-color: var(--primary-color);
            color: white;
        }
        .contact-info-box {
            background: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            border-left: 4px solid var(--primary-color);
        }
        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-right: 15px;
        }
        .footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 60px 0 20px;
        }
        .footer a {
            color: #adb5bd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: white;
        }
        .friendlink a.flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background: var(--light-bg);
            border-radius: 30px;
            color: var(--text-dark);
            text-decoration: none;
            transition: all 0.3s;
        }
        .friendlink a.flink:hover {
            background: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }
        .map-container {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .btn-custom {
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            color: white;
        }
        .news-card {
            border-left: 4px solid var(--primary-color);
            transition: all 0.3s;
        }
        .news-card:hover {
            border-left-color: var(--accent-color);
            background-color: var(--light-bg);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 50px;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
