/* 横屏提示遮罩 */
.landscape-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    display: none;
    justify-content: center;
    align-items: center;
    font-family: 'unifont_jp', sans-serif;
}

.landscape-content {
    text-align: center;
    color: white;
}

.landscape-icon {
    font-size: 48px;
    margin-bottom: 20px;
    animation: rotate 2s infinite linear;
}

.landscape-text {
    font-size: 18px;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 在小屏幕且竖屏时显示遮罩 */
@media screen and (max-width: 900px) and (orientation: portrait) {
    .landscape-mask {
        display: flex;
    }
}