body { padding: 0; margin: 0 }
#unity-container { position: absolute }
#unity-container.unity-desktop { left: 50%; top: 50%; transform: translate(-50%, -50%) }
#unity-container.unity-mobile { width: 100%; height: 100% }
#unity-canvas { background: #231F20 }
.unity-mobile #unity-canvas { width: 100%; height: 100% }
#unity-loading-bar { position: absolute; width: 100%; height: 100%; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
#unity-logo { width: 154px; height: 130px; background: url('unity-logo-dark.png') no-repeat center }
#unity-progress-bar-empty {position: absolute; left: 50%; top: 80%; transform: translate(-50%, -50%); width: 50%; height: 6%; background: url('loading_screen_progress_background.png') no-repeat center / 100% 100%; overflow: hidden; }
#unity-progress-bar-full {position: absolute; left: 0; top: 0; width: 100%; height: 100%; clip-path: inset(0 100% 0 0); background: url('loading_screen_progress_fill.png') no-repeat left top / 100% 100%;}
#unity-footer { position: relative }
.unity-mobile #unity-footer { display: none }
#unity-webgl-logo { float:left; width: 204px; height: 38px; background: url('webgl-logo.png') no-repeat center }
#unity-build-title { float: right; margin-right: 10px; line-height: 38px; font-family: arial; font-size: 18px }
#unity-fullscreen-button { float: right; width: 38px; height: 38px; background: url('fullscreen-button.png') no-repeat center }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }
.hero-section {
    background-image: url('loading_screen_background.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh; /* 确保容器有高度 */
}