/* 基础样式 */
.video-container {
position: relative;
width: 100%;
height: 100%;
padding-bottom: 56.25%;
/* 16:9 aspect ratio */
overflow: hidden;
}
.video-container iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
</style>
<iframe src="https://www.youtube.com/embed/qjxwJ9GnhA8" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div>
