/* 基本样式 */
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
        }

        .contact-container {
            display: flex;
            justify-content: space-around;
            margin-top: 50px;
            flex-wrap: wrap; /* 允许换行 */
        }

        .contact-item {
            text-align: center;
            cursor: pointer;
            margin: 10px;
            flex: 1 1 200px; /* 弹性布局，最小宽度 200px */
        }

        .contact-item img {
            width: 50px;
            height: 50px;
        }

        .contact-item p {
            margin-top: 10px;
            font-size: 16px;
        }

        /* 模态框样式 */
        .modal {
            display: none; /* 默认隐藏 */
            position: fixed; /* 固定定位，覆盖整个页面 */
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8); /* 半透明黑色背景 */
            justify-content: center;
            align-items: center;
            z-index: 1000; /* 确保模态框在最上层 */
        }

        .modal-content {
            background-color: white;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            position: relative;
            max-width: 90%; /* 限制模态框宽度 */
        }

        .close {
            cursor: pointer;
            font-size: 24px;
            position: absolute;
            top: 10px;
            right: 10px;
            color: #000;
        }

        .modal-content img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 0 auto;
        }

        /* 响应式布局 */
        @media (max-width: 600px) {
            .contact-container {
                flex-direction: column; /* 手机端垂直排列 */
                align-items: center;
            }

            .contact-item {
                flex: 1 1 auto; /* 取消固定宽度 */
                margin: 20px 0;
            }

            .contact-item img {
                width: 40px;
                height: 40px;
            }

            .contact-item p {
                font-size: 14px;
            }
        }