.swiper-slide img {
  width: 100%;
}



#shopify-section-1585594669741 {
  /* width: 100%;
  background: url("/img/bj.jpg") no-repeat;
  background-size: cover;
  background-position: center center; */
  background: url("/img/left.webp") no-repeat top left, url("/img/right.webp") no-repeat bottom right;
}

/* #sectionfirst{
  background: url("/img/bj.jpg") no-repeat;
  background-size: cover;
  background-position: center center;
} */

/* #my-video {
  width: 572px;
  height: 572px;
  object-fit: cover;
  object-position: center;
}
@media (max-width: 980px) {
#my-video {
  width: 100%;
  height: 100%;
}
} */
#iframeContainer iframe {
  width: 572px;
  height: 321px; 
}

@media (max-width: 768px) { /* 设备小于等于768px时 */
  #iframeContainer iframe {
    width: 100%;
    height: auto;
  }
}

/* video {
  transform: translate3d(0, 0, 0);
} */
.subtitle {
  height: 400px;
  overflow: auto;
}
.subtitle::-webkit-scrollbar {
  display: none; 
}


.back-to-top {
  width: 48px;
  height: 35px;
  position: fixed;
  right: 2rem;
  background-color: #333;
  color: #fff;
  bottom: 0px;
  border: none;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  border-radius: 5px;
}

.back-to-top:hover {
  background-color: #cddbcc;
  color: #000;
}