body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            background-color: #f8f9fa;
            color: #333;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.5rem;
            color: #0056b3 !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 84, 180, 0.8), rgba(220, 53, 69, 0.8)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 100px 0;
        }
        .section-title {
            border-bottom: 3px solid #0056b3;
            padding-bottom: 10px;
            margin-bottom: 30px;
            font-weight: 700;
        }
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s;
        }
        .card:hover {
            transform: translateY(-10px);
        }
        .btn-primary {
            background-color: #0056b3;
            border-color: #0056b3;
            border-radius: 25px;
            padding: 10px 25px;
        }
        .btn-primary:hover {
            background-color: #004494;
            border-color: #004494;
        }
        .flink {
            display: inline-block;
            margin: 10px;
            padding: 10px 20px;
            background-color: #e9ecef;
            border-radius: 8px;
            text-decoration: none;
            color: #0056b3;
            transition: all 0.3s;
        }
        .flink:hover {
            background-color: #0056b3;
            color: white;
        }
        .friendlink {
            background-color: #f1f8ff;
            padding: 40px 0;
        }
        footer {
            background-color: #343a40;
            color: white;
        }
        .contact-icon {
            font-size: 1.5rem;
            color: #0056b3;
            margin-right: 10px;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }