body {
            font-family: 'Microsoft YaHei', sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.8rem;
            color: #0056b3;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 84, 168, 0.8), rgba(0, 84, 168, 0.9)), url('https://images.unsplash.com/photo-1600880292203-757bb62b4baf?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
            text-align: center;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-size: 2.2rem;
            color: #0056b3;
            text-align: center;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: #ffc107;
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: #0056b3;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: bold;
            transition: background-color 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #004494;
        }
        .footer {
            background-color: #2c3e50;
            color: white;
            padding: 60px 0 30px;
        }
        .footer a {
            color: #ffc107;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .friendlink {
            background-color: #e9ecef;
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            margin: 10px 15px;
            padding: 10px 20px;
            background-color: white;
            border-radius: 8px;
            color: #0056b3;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .flink:hover {
            background-color: #0056b3;
            color: white;
            border-color: #ffc107;
            transform: scale(1.05);
        }
        .contact-info i {
            color: #0056b3;
            margin-right: 10px;
        }
        .hover-effect {
            transition: all 0.3s ease;
        }
        .hover-effect:hover {
            background-color: #f1f8ff;
            padding-left: 15px;
            border-left: 5px solid #0056b3;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .card-img-top {
                height: 180px;
            }
        }