button {
    background-color: #4CAF50;
    /* background-color: white; */
    border: none;
    color: white;
    padding: 10px 20px;
    margin: 0 5px;
    border-radius: 6px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    font-family: "Simsun", 宋体, serif;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

button:hover {
    background-color: #45a049; /* 悬停时改变背景颜色 */
    transform: scale(1.1); /* 悬停时放大按钮 */
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2); /* 悬停时增强阴影 */
}

button:active {
    transform: scale(1.05); /* 点击时轻微缩小按钮 */
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15); /* 点击时改变阴影 */
}