video {
     width: 100%;
     height: 100%;
     max-width: 800px;
     /* 設置最大寬度，避免在大屏幕上過度拉伸 */
     margin: 0 auto;
     /* 居中顯示 */
     display: flex;
     justify-content: center;
     /* align-items: center; */
     height: 105vh;
 }

 video::-webkit-media-controls-panel {
     background-color: rgba(0, 0, 0, 0.5);
 }

 video::-webkit-media-controls-play-button {
     background-color: #FF5733;
     border-radius: 50%;
 }

 video::-webkit-media-controls-current-time-display {
     color: #FFF;
 }

 .maxh400m3 {
     max-height: 400px;
     margin: 3px;
 }
 .bg_blue{
    background-color: #191073;
 }
 .cr{
    color: #c00000;
 }
 .fwb{
    font-weight: bold;
 }
 .bg_red{
    background-color: #c00000;
 }
 .pt0{
    padding-top: 0;
 }