.videos-meta-link{color:inherit;text-decoration:none}
.videos-progress-zero{width:0%}
.videos-volume-default{width:80%}
/* 播放器宽度约束：任何视频都不超过容器 */
.player-video,
.player-video iframe,
.player-video video.tk-video-player,
.rich-content .tk-rich-video-wrap,
.rich-content video.tk-rich-video-player {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.rich-content video.tk-rich-video-player {
  height: auto;
  display: block;
}
/* 视频详情：顶部标题区占位收紧 */
.lesson-banner.lesson-banner--compact {
  padding: 14px 18px;
  margin-bottom: 16px;
}
.lesson-banner.lesson-banner--compact .lesson-breadcrumb {
  margin-bottom: 6px;
  font-size: 12px;
}
.lesson-banner.lesson-banner--compact .lesson-banner-content h1 {
  font-size: 22px;
  line-height: 1.3;
  margin-bottom: 8px;
}
.lesson-banner.lesson-banner--compact .lesson-meta {
  gap: 8px 14px;
}
.lesson-banner.lesson-banner--compact .meta-item {
  font-size: 12px;
}

/* 视频页：频道详细内容中的链接排版（链接 + 外链icon） */
.lesson-desc .tk-auto-url-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 8px;
  max-width: 100%;
  vertical-align: middle;
}
.lesson-desc .tk-auto-url {
  color: #8ab4ff;
  text-decoration: underline;
  word-break: break-all;
}
.lesson-desc .tk-auto-url:hover {
  color: #b9d0ff;
}
.lesson-desc .tk-auto-url-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.24);
  color: #dbe7ff;
  font-size: 10px;
  line-height: 1;
  text-decoration: none;
  flex: 0 0 auto;
  background: rgba(255,255,255,.06);
}
.lesson-desc .tk-auto-url-icon:hover {
  color: #fff;
  border-color: rgba(255,255,255,.45);
}
@media (max-width: 900px) {
  .lesson-banner.lesson-banner--compact {
    padding: 12px 14px;
    margin-bottom: 12px;
  }
  .lesson-banner.lesson-banner--compact .lesson-banner-content h1 {
    font-size: 14px;
  }
}