.youtube .cover{
	position: absolute;
	width:100%;
	height:100%;
	max-height:100%;
	z-index:999;
	cursor:pointer;
}

.photo_slide .swiper-slide .youtube2 {
  width: 100%;
  max-width: 1000px;
  aspect-ratio: 16/9;
  height: auto;
  display: block;
  -o-object-fit: contain;
     object-fit: contain;
}
@media all and (max-width: 1440px) {
  .photo_slide .swiper-slide .youtube2 {
    max-width: 720px;
  }
}
@media all and (max-width: 1366px) {
  .photo_slide .swiper-slide .youtube2 {
    max-width: 600px;
  }
}
@media all and (max-width: 1024px) {
  .photo_slide .swiper-slide .youtube2 {
    max-width: 100%;
    max-height: 100%;
  }
}