body {
            font-family: 'Microsoft YaHei', sans-serif;
            background-color: #f8f9fa;
            color: #333;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.5rem;
            color: #0056b3;
        }
        .hero-section {
            background: linear-gradient(135deg, #0056b3 0%, #003d82 100%);
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .hero-section h1 {
            font-size: 3rem;
            font-weight: bold;
            margin-bottom: 20px;
        }
        .section-title {
            font-size: 2.5rem;
            color: #0056b3;
            margin-bottom: 40px;
            text-align: center;
            font-weight: bold;
        }
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 30px;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.2);
        }
        .card img {
            border-top-left-radius: 15px;
            border-top-right-radius: 15px;
            height: 250px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: #0056b3;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: bold;
            transition: background-color 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #003d82;
        }
        footer {
            background-color: #222;
            color: #ccc;
            padding: 50px 0;
        }
        .friendlink {
            background-color: #f1f1f1;
            padding: 50px 0;
        }
        .flink {
            display: inline-block;
            margin: 10px 15px;
            padding: 10px 20px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-decoration: none;
            color: #0056b3;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background-color: #0056b3;
            color: white;
            transform: scale(1.05);
        }
        .content-text {
            line-height: 1.8;
            font-size: 1.1rem;
            text-align: justify;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .content-text {
                font-size: 1rem;
            }
        }