/* 模态框背景，默认隐藏 */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

/* 弹窗内容 */
.modal-content {
    background-color: #fefefe;
    padding: 25px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    font-family: sans-serif;
    max-width: 280px;
    width: 80%;
}

.modal-content p {
    margin-bottom: 15px;
    font-size: 16px;
    color: #333;
}

.modal-content .phone-number {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
    margin-bottom: 20px;
    display: inline-block;
    letter-spacing: 1px;
}

.close-btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}