body,
html {
    height: 100%;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f0f0f0;
    overflow: hidden;
    /* 防止滚动条 */
}

#unity-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#unity-canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    /* 保持比例 */
}