#page2 {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}
#page2 .overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out; /* 添加透明度和位置过渡效果 */
}
#page2.show .overlay {
    transform: translate(-150%, -50%); /* 向左移动 */
}
#page2 .button {
    position: absolute;
    top: 70%; /* 调整按钮位置 */
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 60px;
    border: 2px solid white;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px); /* 高斯模糊效果 */
    color: white;
    font-size: 24px;
    text-align: center;
    line-height: 60px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out; /* 添加透明度和缩放过渡效果 */
}
#page2.show .button {
    opacity: 1;
}
#page2 .button:hover {
    transform: translate(-50%, -50%) scale(1.1); /* 鼠标悬浮时变大 */
}