:root {
            --primary-color: #1a365d;
            --secondary-color: #2d6a4f;
            --accent-color: #f8c471;
            --light-bg: #f8f9fa;
            --dark-text: #333333;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            color: var(--primary-color) !important;
            font-weight: 500;
            padding: 0.5rem 1rem;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover {
            color: var(--secondary-color) !important;
            background-color: rgba(0,0,0,0.05);
            border-radius: 5px;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(26, 54, 93, 0.9)), url('https://via.placeholder.com/1920x800/1a365d/ffffff?text=崇道教育-专业培训') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 120px 0;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        .hero-section p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
        }
        .btn-primary-custom {
            background-color: var(--accent-color);
            border: none;
            color: var(--primary-color);
            padding: 12px 30px;
            font-weight: bold;
            border-radius: 30px;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background-color: #e6b450;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
            margin: 15px auto;
            border-radius: 2px;
        }
        .service-card, .course-card, .team-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: var(--transition);
            height: 100%;
        }
        .service-card:hover, .course-card:hover, .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        .service-icon, .course-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }
        .team-card img {
            height: 250px;
            object-fit: cover;
            border-bottom: 5px solid var(--accent-color);
        }
        .contact-info i {
            font-size: 1.5rem;
            color: var(--secondary-color);
            margin-right: 15px;
        }
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #cccccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .friend-links {
            background-color: var(--light-bg);
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            margin: 10px 15px;
            padding: 8px 20px;
            background-color: white;
            border-radius: 25px;
            color: var(--primary-color);
            text-decoration: none;
            border: 1px solid #ddd;
            transition: var(--transition);
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: bold;
            color: var(--secondary-color);
        }
        .testimonial-card {
            background-color: var(--light-bg);
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            border-radius: 10px;
        }
        .contact-form .form-control {
            border-radius: 10px;
            padding: 12px;
            border: 1px solid #ced4da;
        }
        .contact-form .form-control:focus {
            border-color: var(--accent-color);
            box-shadow: 0 0 0 0.25rem rgba(248, 196, 113, 0.25);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section p {
                font-size: 1rem;
            }
            .section-padding {
                padding: 50px 0;
            }
        }