.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 比例 */
  height: 0;
  overflow: hidden;
  background-color: #000;
  border-radius: 5px;
  margin-bottom: 20px;
}
.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.movie-info {
  margin-bottom: 20px;
}
.movie-title {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 10px;
}
.movie-meta {
  color: #6c757d;
  margin-bottom: 15px;
}
.movie-description {
  line-height: 1.6;
}
.source-tabs {
  margin-bottom: 20px;
}
.related-movie {
  transition: transform 0.3s;
  margin-bottom: 20px;
}
.related-movie:hover {
  transform: translateY(-5px);
}
.related-poster {
  height: 0;
  padding-bottom: 140%;
  background-size: cover;
  background-position: center;
  border-radius: 5px;
  margin-bottom: 10px;
}
.related-title {
  font-weight: bold;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.related-rating {
  color: #ffc107;
  font-weight: bold;
}
.breadcrumb {
  background-color: transparent;
  padding-left: 0;
}