body {
            font-family: Arial, sans-serif;
            margin: 50px;
        }
        .contact-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            border: 1px solid #ccc;
            border-radius: 10px;
            background-color: #f9f9f9;
        }
        .contact-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px; /* 行间距 */
        }
        .contact-column {
            flex: 1;
            margin-right: 20px; /* 列间距 */
        }
        .contact-column:last-child {
            margin-right: 10; /* 最后一列右边距10px */
        }
        .contact-column h3 {
            font-size: 24px; /* 大字体 */
            margin-bottom: 20px;
            color: #333;
        }
        .contact-column ul {
            list-style-type: none;
            padding: 0;
        }
        .contact-column ul li {
            font-size: 24px; /* 大字体 */
            margin-bottom: 10px;
            color: #666;
        }
        .contact-column ul li strong {
            color: #333;
        }
        .contact-column a {
            color: #007BFF;
            text-decoration: none;
        }
        .contact-column a:hover {
            text-decoration: underline;
        }