:root {
            --primary-color: #1a4f8c;
            --secondary-color: #28a745;
            --accent-color: #ffc107;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--dark-text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 79, 140, 0.85), rgba(40, 167, 69, 0.8)), url('https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
            color: var(--primary-color);
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .service-card, .case-card, .news-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
        }
        .service-card:hover, .case-card:hover, .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        .service-card .card-body {
            padding: 2rem;
        }
        .service-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .contact-info-box {
            background: var(--light-bg);
            border-left: 5px solid var(--secondary-color);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin-bottom: 1.5rem;
        }
        .footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
        }
        .footer a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .flink {
            display: inline-block;
            background: var(--light-bg);
            padding: 0.5rem 1.5rem;
            margin: 0.5rem;
            border-radius: 50px;
            color: var(--primary-color);
            font-weight: 500;
            border: 2px solid transparent;
            transition: all 0.3s;
        }
        .flink:hover {
            background: white;
            border-color: var(--secondary-color);
            color: var(--secondary-color);
            transform: scale(1.05);
        }
        .friendlink a {
            text-decoration: none;
        }
        .map-container iframe {
            width: 100%;
            height: 350px;
            border: 0;
            border-radius: 10px;
        }
        .btn-custom {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border: none;
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-custom:hover {
            color: white;
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
                text-align: center;
            }
            .stats-number {
                font-size: 2.5rem;
            }
            .section-title::after {
                width: 60px;
            }
        }