:root {
            --primary-color: #1a56db;
            --secondary-color: #0e9f6e;
            --accent-color: #ff5a1f;
            --dark-color: #1f2937;
            --light-color: #f9fafb;
            --gray-color: #6b7280;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 86, 219, 0.9) 0%, rgba(14, 159, 110, 0.85) 100%), url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 8rem 0;
            position: relative;
        }
        .service-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .feature-box {
            padding: 2.5rem;
            border-radius: 12px;
            background-color: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
            transition: all 0.3s ease;
        }
        .feature-box:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transform: translateY(-5px);
        }
        .contact-info-box {
            background-color: var(--light-color);
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            height: 100%;
            border-left: 5px solid var(--primary-color);
        }
        .contact-info-box i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .friendlink-section {
            background-color: #f8f9fa;
            padding: 4rem 0;
        }
        .flink {
            display: inline-block;
            background-color: white;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            border-radius: 8px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            border: 1px solid #e5e7eb;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
        }
        .footer-links a {
            color: #d1d5db;
            text-decoration: none;
            transition: color 0.3s;
            display: block;
            margin-bottom: 0.5rem;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(26, 86, 219, 0.1);
            color: var(--primary-color);
            font-weight: 600;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1;
        }
        .stat-label {
            color: var(--gray-color);
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.75rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #1546b4;
            border-color: #1546b4;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(26, 86, 219, 0.2);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 0.75rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background-color: #0c7c55;
            border-color: #0c7c55;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(14, 159, 110, 0.2);
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            text-align: center;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        .text-primary {
            color: var(--primary-color) !important;
        }
        .text-secondary {
            color: var(--secondary-color) !important;
        }
        .bg-light {
            background-color: var(--light-color) !important;
        }
        .map-container {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            height: 100%;
            min-height: 300px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
                text-align: center;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }