body {
    padding: 0;
    margin: 0
}
#unity-container {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: #060A16;
}
#unity-canvas {
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 100%; /* 高度佔滿視窗 */
    aspect-ratio: 1170 / 1977; /* 固定比例 */
    width: auto; /* 寬度自動依比例 */
    background: url("Loading@2x.png");
    background-size: 100% 100%;
}
#unity-loading-bar {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: none
}
#unity-logo {
    margin-left: auto;
    margin-right: auto;
    width: 192px;
    height: 65px;
    background: url('Top_Title@2x.png') no-repeat center;
    background-size: 100% 100%;
}
#unity-progress-bar-empty {
    margin-left: auto;
    margin-right: auto;
    width: 253px;
    height: 12px;
    margin-top: 10px;
    background: url('LoadingBar@2x.png') no-repeat center;
    padding: 2px;
    background-size: 100% 100%;
}
#unity-warning {
    position: absolute;
    left: 50%;
    top: 5%;
    transform: translate(-50%);
    background: white;
    padding: 10px;
    display: none
}
#unity-progress-bar-full {
    width: 0%;
    height: 12px;
    background: url('LoadingBar_filled@2x.png') no-repeat center;
    background-size: 100% 100%;}
#video {
    position: absolute;
    top: 60.1%; /* 向左上方對齊，定位點在正中心的Y座標 / 1977 */
    left: 50%; /* 向左上方對齊，定位點在正中心的X座標 / 1170 */
    transform: translate(-50%, -50%);
    height: 20%; /* 相機畫面尺寸，範圍高度 / 1977 */
    border-radius: 0%; /* 圓角 */
    aspect-ratio: 1/1;
    object-fit: cover;
    display: none;
}