:root {
            --primary-color: #1a5f7a;
            --secondary-color: #2d8c9f;
            --accent-color: #f8b400;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 95, 122, 0.85), rgba(45, 140, 159, 0.9)), url('https://images.unsplash.com/photo-1629909613654-28e377c37b09?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            position: relative;
        }
        .service-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            border: none;
            border-radius: 10px;
            overflow: hidden;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .doctor-card {
            transition: all 0.3s ease;
            border-radius: 10px;
            overflow: hidden;
        }
        .doctor-card:hover {
            transform: scale(1.03);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .flink {
            display: inline-block;
            padding: 8px 16px;
            margin: 5px;
            background: var(--light-color);
            border-radius: 5px;
            transition: all 0.3s ease;
            color: var(--dark-color);
            text-decoration: none;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .contact-info i {
            width: 40px;
            height: 40px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
        }
        .footer {
            background: #2c3e50;
            color: white;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: var(--accent-color);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            border-radius: 30px;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--accent-color);
        }
        .bg-light-blue {
            background-color: #f0f9ff;
        }
        .appointment-form {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            padding: 30px;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .testimonial-card {
            border-left: 4px solid var(--accent-color);
            padding-left: 20px;
            background: #f8f9fa;
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }