/* B 站风：进度条分段 + 打点 + 重点。叠加在 DPlayer 进度条上，不替换原生拖动。 */

#meedu-player-container.sdledu-ch-open .dplayer-controller,
#meedu-player-container.sdledu-ch-open .dplayer-controller-mask,
#meedu-player-container:has(.sdledu-ch-form.is-open) .dplayer-controller,
#meedu-player-container:has(.sdledu-ch-form.is-open) .dplayer-controller-mask {
  opacity: 1 !important;
  visibility: visible !important;
}

#meedu-player-container .dplayer-bar-wrap {
  overflow: visible;
}

#meedu-player-container .sdledu-ch-rail {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 6px;
  margin-top: -3px;
  pointer-events: none;
  z-index: 3;
}

#meedu-player-container .sdledu-ch-seg {
  position: absolute;
  top: 0;
  bottom: 0;
  box-sizing: border-box;
  border-right: 2px solid rgba(0, 0, 0, 0.55);
  pointer-events: none;
}

#meedu-player-container .sdledu-ch-seg:last-child {
  border-right: 0;
}

#meedu-player-container .sdledu-ch-seg.is-hot {
  background: linear-gradient(180deg, rgba(251, 114, 153, 0.55), rgba(251, 114, 153, 0.18));
  box-shadow: 0 0 8px rgba(251, 114, 153, 0.35);
}

#meedu-player-container .sdledu-ch-seg.is-on {
  outline: 1px solid rgba(255, 255, 255, 0.28);
  outline-offset: -1px;
}

#meedu-player-container .sdledu-ch-label {
  position: absolute;
  top: -18px;
  left: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.88);
  font: 11px/1 "PingFang SC", "Microsoft YaHei", sans-serif;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.65);
  pointer-events: none;
}

#meedu-player-container .sdledu-ch-label.is-hot {
  color: #ffb3c6;
}

#meedu-player-container .sdledu-ch-marks {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 0;
  pointer-events: none;
  z-index: 5;
}

#meedu-player-container .sdledu-ch-mark {
  position: absolute;
  top: 0;
  width: 10px;
  height: 10px;
  margin: -5px 0 0 -5px;
  background: #ffd666;
  transform: rotate(45deg);
  border: 1px solid rgba(0, 0, 0, 0.35);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25);
  pointer-events: auto;
  cursor: pointer;
}

#meedu-player-container .sdledu-ch-mark.is-hot {
  background: #fb7299;
}

#meedu-player-container .sdledu-ch-mark:hover {
  transform: rotate(45deg) scale(1.2);
}

#meedu-player-container .sdledu-ch-tip {
  position: absolute;
  bottom: 22px;
  transform: translateX(-50%);
  max-width: 240px;
  padding: 6px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.78);
  color: #fff;
  font: 12px/1.4 "PingFang SC", "Microsoft YaHei", sans-serif;
  pointer-events: none;
  opacity: 0;
  z-index: 8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#meedu-player-container .sdledu-ch-tip.is-show {
  opacity: 1;
}

#meedu-player-container .sdledu-ch-tip b {
  color: #ffb3c6;
  font-weight: 600;
}

#meedu-player-container .sdledu-ch-now {
  position: absolute;
  left: 12px;
  bottom: 46px;
  max-width: 46%;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font: 12px/1.3 "PingFang SC", "Microsoft YaHei", sans-serif;
  pointer-events: none;
  opacity: 0;
  z-index: 6;
}

#meedu-player-container.dplayer-hide-controller .sdledu-ch-now {
  opacity: 0 !important;
}

#meedu-player-container:not(.dplayer-hide-controller) .sdledu-ch-now.is-show {
  opacity: 1;
}

#meedu-player-container .sdledu-ch-now.is-hot {
  color: #ffd0dc;
}

#meedu-player-container .sdledu-ch,
#meedu-player-container .sdledu-ch-add {
  position: relative;
  display: inline-block;
  height: 38px;
  vertical-align: middle;
  margin: 0;
  z-index: 4;
}

#meedu-player-container .sdledu-ch__btn,
#meedu-player-container .sdledu-ch-add__btn {
  appearance: none;
  box-sizing: border-box;
  border: 0;
  background: transparent;
  color: #fff;
  min-width: 46px;
  height: 38px !important;
  padding: 0 8px !important;
  margin: 0;
  font: 13px/38px "PingFang SC", "Microsoft YaHei", sans-serif !important;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  opacity: 0.92;
}

#meedu-player-container .sdledu-ch__btn:hover,
#meedu-player-container .sdledu-ch.is-open .sdledu-ch__btn,
#meedu-player-container .sdledu-ch-add__btn:hover {
  opacity: 1;
}

#meedu-player-container .sdledu-ch-panel {
  position: absolute;
  right: 12px;
  bottom: 52px;
  width: 320px;
  max-height: min(58vh, 420px);
  display: none;
  flex-direction: column;
  background: rgba(17, 17, 20, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  z-index: 20;
  overflow: hidden;
}

#meedu-player-container.sdledu-ch-open .sdledu-ch-panel {
  display: flex;
}

#meedu-player-container .sdledu-ch-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

#meedu-player-container .sdledu-ch-panel__title {
  color: #fff;
  font: 600 13px/1.2 "PingFang SC", "Microsoft YaHei", sans-serif;
}

#meedu-player-container .sdledu-ch-panel__meta {
  margin-left: 8px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 12px;
}

#meedu-player-container .sdledu-ch-panel__close {
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
  font-size: 18px;
  cursor: pointer;
}

#meedu-player-container .sdledu-ch-panel__list {
  overflow: auto;
  padding: 6px 0;
}

#meedu-player-container .sdledu-ch-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  border: 0;
  background: transparent;
  color: #fff;
  text-align: left;
  padding: 8px 12px;
  cursor: pointer;
  font: 13px/1.35 "PingFang SC", "Microsoft YaHei", sans-serif;
}

#meedu-player-container .sdledu-ch-item:hover,
#meedu-player-container .sdledu-ch-item.is-on {
  background: rgba(255, 255, 255, 0.06);
}

#meedu-player-container .sdledu-ch-item__time {
  flex: none;
  min-width: 42px;
  color: rgba(255, 255, 255, 0.5);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}

#meedu-player-container .sdledu-ch-item__name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#meedu-player-container .sdledu-ch-item__tag {
  flex: none;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
}

#meedu-player-container .sdledu-ch-item__tag.is-hot {
  background: rgba(251, 114, 153, 0.22);
  color: #fb7299;
}

#meedu-player-container .sdledu-ch-empty {
  padding: 24px 16px;
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 13px;
}

#meedu-player-container .sdledu-ch-form {
  position: absolute;
  right: 12px;
  bottom: 52px;
  width: 280px;
  display: none;
  padding: 12px;
  background: rgba(17, 17, 20, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  z-index: 21;
}

#meedu-player-container .sdledu-ch-form.is-open {
  display: block;
}

#meedu-player-container .sdledu-ch-form label {
  display: block;
  margin: 8px 0 4px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
}

#meedu-player-container .sdledu-ch-form input,
#meedu-player-container .sdledu-ch-form select {
  width: 100%;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  padding: 0 8px;
  font: 13px/32px "PingFang SC", "Microsoft YaHei", sans-serif;
}

#meedu-player-container .sdledu-ch-form .row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

#meedu-player-container .sdledu-ch-form button {
  flex: 1;
  height: 32px;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font: 13px/32px "PingFang SC", "Microsoft YaHei", sans-serif;
}

#meedu-player-container .sdledu-ch-form .ok {
  background: #fb7299;
  color: #fff;
}

#meedu-player-container .sdledu-ch-form .no {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

@media (max-width: 760px) {
  #meedu-player-container .sdledu-ch-label {
    display: none;
  }
  #meedu-player-container .sdledu-ch-panel,
  #meedu-player-container .sdledu-ch-form {
    width: min(92vw, 320px);
    right: 4px;
  }
}