.return-policy-btn {
    display: inline-block;
    background-color: #000000;  /* 黑色背景 */
    color: #ffffff;             /* 白色文字 */
    padding: 12px 24px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    font-family: Arial, sans-serif;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid #000000;
    cursor: pointer;
    text-align: center;
}

.return-policy-btn:hover {
    background-color: #333333;  /* 悬停时深灰色 */
    border-color: #333333;
}