/* book-mobile-player-20260711: mobile book-detail player visual ownership only. */
/* book-mobile-player-monochrome-20260711: black/white control theme owned by this isolated module. */
/* book-mobile-player-status-hidden-20260711: keep audio status state in DOM while removing the visible row. */
/* book-mobile-player-compact-height-20260711: keep page-width alignment while reducing vertical empty space. */
/* book-mobile-player-controls-spacing-20260712: separate playback progress from the action row without changing the outer shell. */
/* book-mobile-player-controls-20260716: horizontal timer shortcuts, speed segments, and loading wave. */
@media (max-width: 720px) {
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section {
    --book-player-bg: #050505;
    --book-player-panel: #0d0d0d;
    --book-player-control: #ffffff;
    --book-player-control-inverse: #050505;
    --book-player-muted: rgba(255, 255, 255, 0.66);
    --book-player-track: rgba(255, 255, 255, 0.26);
    --book-player-border: rgba(255, 255, 255, 0.42);
    --book-player-button-bg: rgba(0, 0, 0, 0.5);
    --book-player-button-bg-active: rgba(255, 255, 255, 0.12);
    width: var(--qinghe-detail-shell) !important;
    max-width: var(--qinghe-detail-shell) !important;
    height: 248px !important;
    min-height: 248px !important;
    margin: 10px auto 8px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode {
    width: var(--qinghe-detail-shell) !important;
    max-width: var(--qinghe-detail-shell) !important;
    height: 248px !important;
    min-height: 248px !important;
    margin-inline: auto !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 14px !important;
    background: var(--book-player-bg) !important;
    background-image: none !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode::before,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode::after {
    content: none !important;
    display: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-player,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-player {
    width: 100% !important;
    height: 248px !important;
    min-height: 248px !important;
    padding: 8px 18px 12px !important;
    display: grid !important;
    grid-template-rows: 38px 58px minmax(108px, 1fr) !important;
    row-gap: 6px !important;
    align-content: start !important;
    border: 0 !important;
    border-radius: 14px !important;
    background: var(--book-player-bg) !important;
    background-image: none !important;
    box-shadow: none !important;
    overflow: visible !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-topbar,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-topbar.is-video-switch-hidden,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-topbar,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-topbar.is-video-switch-hidden {
    height: 38px !important;
    min-height: 38px !important;
    padding: 0 !important;
    align-items: start !important;
    align-self: start !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-back,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-topbar.is-video-switch-hidden .mobile-back,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-back {
    width: 38px !important;
    min-width: 38px !important;
    height: 38px !important;
    min-height: 38px !important;
    align-self: start !important;
    border: 1px solid var(--book-player-border) !important;
    background: var(--book-player-button-bg) !important;
    color: var(--book-player-control) !important;
    box-shadow: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .media-stage,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .media-stage {
    align-self: center !important;
    justify-self: center !important;
    margin: 0 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .audio-art,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .audio-art {
    width: 66px !important;
    height: 66px !important;
    margin: 0 auto !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .detail-player,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .detail-player {
    width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
    min-height: 0 !important;
    margin: 0 !important;
    margin-top: 6px !important;
    padding: 0 !important;
    display: grid !important;
    grid-template-rows: 46px 62px !important;
    gap: 12px !important;
    align-content: start !important;
    align-self: start !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    overflow: visible !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress {
    width: 100% !important;
    min-width: 0 !important;
    height: 46px !important;
    min-height: 46px !important;
    display: grid !important;
    grid-template-columns: 64px minmax(0, 1fr) 64px !important;
    grid-template-rows: 28px 14px !important;
    gap: 6px 14px !important;
    align-items: center !important;
    align-self: start !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    overflow: visible !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress::before,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress::before {
    content: "" !important;
    display: block !important;
    grid-column: 2 !important;
    grid-row: 1 !important;
    width: 100% !important;
    height: 6px !important;
    border-radius: 999px !important;
    background: linear-gradient(90deg, var(--book-player-control) 0 var(--progress, 0%), var(--book-player-track) var(--progress, 0%) 100%) !important;
    pointer-events: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress::after,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress .mobile-skip::before,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress .mobile-skip::after,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress::after,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress .mobile-skip::before,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress .mobile-skip::after {
    content: none !important;
    display: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress input[type="range"],
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress input[type="range"] {
    -webkit-appearance: none !important;
    appearance: none !important;
    grid-column: 2 !important;
    grid-row: 1 !important;
    width: 100% !important;
    min-width: 0 !important;
    height: 28px !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 999px !important;
    background: linear-gradient(90deg, var(--book-player-control) 0 var(--progress, 0%), var(--book-player-track) var(--progress, 0%) 100%) center / 100% 6px no-repeat !important;
    box-shadow: none !important;
    outline: none !important;
    accent-color: var(--book-player-control) !important;
    z-index: 1 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress input[type="range"]::-webkit-slider-runnable-track,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress input[type="range"]::-webkit-slider-runnable-track {
    height: 6px !important;
    border: 0 !important;
    border-radius: 999px !important;
    background: linear-gradient(90deg, var(--book-player-control) 0 var(--progress, 0%), var(--book-player-track) var(--progress, 0%) 100%) !important;
    box-shadow: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress input[type="range"]::-webkit-slider-thumb,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    appearance: none !important;
    width: 18px !important;
    height: 18px !important;
    margin-top: -6px !important;
    border: 2px solid var(--book-player-bg) !important;
    border-radius: 999px !important;
    background: var(--book-player-control) !important;
    box-shadow: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress .mobile-skip,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress .mobile-skip {
    width: 64px !important;
    min-width: 64px !important;
    height: 30px !important;
    min-height: 30px !important;
    padding: 0 10px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    justify-self: center !important;
    align-self: center !important;
    border: 1px solid var(--book-player-border) !important;
    border-radius: 999px !important;
    background: var(--book-player-button-bg) !important;
    color: var(--book-player-control) !important;
    box-shadow: none !important;
    font-size: 12px !important;
    font-weight: 820 !important;
    line-height: 1 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress .mobile-skip span,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress .mobile-skip span {
    display: block !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress .mobile-skip em,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress .mobile-skip em {
    display: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress .mobile-skip-back,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress .mobile-skip-back {
    grid-column: 1 !important;
    grid-row: 1 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress .mobile-skip-next,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress .mobile-skip-next {
    grid-column: 3 !important;
    grid-row: 1 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress > span,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress > span {
    grid-column: 2 !important;
    grid-row: 2 !important;
    margin: 0 !important;
    padding: 0 !important;
    color: var(--book-player-muted) !important;
    font-size: 12px !important;
    line-height: 14px !important;
    font-weight: 650 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress > span:nth-of-type(1),
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress > span:nth-of-type(1) {
    justify-self: start !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-progress > span:nth-of-type(2),
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress > span:nth-of-type(2) {
    justify-self: end !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls {
    height: 62px !important;
    min-height: 62px !important;
    display: grid !important;
    grid-template-columns: minmax(46px, 1fr) minmax(40px, 0.82fr) 76px minmax(46px, 1fr) minmax(46px, 1fr) !important;
    gap: 6px !important;
    align-items: center !important;
    align-self: start !important;
    margin-top: 0 !important;
    justify-items: center !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .audio-load-status,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .audio-load-status {
    width: 0 !important;
    min-width: 0 !important;
    height: 0 !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: none !important;
    visibility: hidden !important;
    overflow: hidden !important;
    pointer-events: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls .mobile-main-play,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-main-play {
    width: 62px !important;
    min-width: 62px !important;
    height: 62px !important;
    min-height: 62px !important;
    border: 1px solid var(--book-player-control) !important;
    border-radius: 50% !important;
    background: var(--book-player-control) !important;
    background-image: none !important;
    color: var(--book-player-control-inverse) !important;
    box-shadow: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls .mobile-control-cell > button,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls .mobile-watch-later,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls [data-mobile-playlist],
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-control-cell > button,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-watch-later,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls [data-mobile-playlist] {
    height: 50px !important;
    min-height: 50px !important;
    padding: 0 2px !important;
    gap: 5px !important;
    border: 0 !important;
    background: transparent !important;
    color: var(--book-player-control) !important;
    box-shadow: none !important;
    font-size: 11px !important;
    line-height: 1.15 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls .mobile-main-play .detail-play-symbol,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-main-play .detail-play-symbol {
    color: var(--book-player-control-inverse) !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls .mobile-control-icon,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-control-icon,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls em,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls em {
    color: inherit !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls .mobile-control-cell > button:active,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls .mobile-watch-later:active,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-controls [data-mobile-playlist]:active,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-control-cell > button:active,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-watch-later:active,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls [data-mobile-playlist]:active,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-watch-later.active {
    background: var(--book-player-button-bg-active) !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-picker {
    position: relative !important;
    z-index: 4 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-menu {
    position: absolute !important;
    left: 50% !important;
    top: 52px !important;
    bottom: auto !important;
    width: 214px !important;
    min-width: 214px !important;
    padding: 9px !important;
    display: block !important;
    border: 1px solid var(--book-player-border) !important;
    border-radius: 10px !important;
    background: var(--book-player-panel) !important;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.34) !important;
    transform: translateX(-50%) !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section:has(.mobile-control-menu:not([hidden])),
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section:has(.mobile-control-menu:not([hidden])) .media-card.is-audio-mode,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section:has(.mobile-control-menu:not([hidden])) .mobile-listen-player {
    height: 318px !important;
    min-height: 318px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section:has(.mobile-control-menu:not([hidden])) .mobile-listen-player {
    grid-template-rows: 38px 58px minmax(178px, 1fr) !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-menu[hidden] {
    display: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-menu::before {
    content: none !important;
    display: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-menu::after {
    content: "" !important;
    position: absolute !important;
    left: 50% !important;
    top: -6px !important;
    bottom: auto !important;
    width: 11px !important;
    height: 11px !important;
    border-left: 1px solid var(--book-player-border) !important;
    border-top: 1px solid var(--book-player-border) !important;
    background: var(--book-player-panel) !important;
    transform: translateX(-50%) rotate(45deg) !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-menu-title {
    display: block !important;
    margin: 0 0 7px !important;
    color: var(--book-player-muted) !important;
    font-size: 10px !important;
    font-weight: 760 !important;
    line-height: 1 !important;
    text-align: left !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-options {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 5px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-option {
    width: 100% !important;
    min-width: 0 !important;
    height: 29px !important;
    min-height: 29px !important;
    padding: 0 3px !important;
    border: 1px solid var(--book-player-border) !important;
    border-radius: 6px !important;
    background: transparent !important;
    color: var(--book-player-control) !important;
    font-size: 10px !important;
    font-weight: 720 !important;
    line-height: 1 !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-option.active,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-control-option:active {
    border-color: var(--book-player-control) !important;
    background: var(--book-player-control) !important;
    color: var(--book-player-control-inverse) !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-playback-rate-menu .mobile-control-options {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-playback-rate-menu {
    left: calc(50% + 56px) !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-main-play .detail-loading-wave {
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 3px !important;
    width: 23px !important;
    height: 26px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-main-play .detail-loading-wave i {
    display: block !important;
    width: 4px !important;
    height: 9px !important;
    border-radius: 2px !important;
    background: currentColor !important;
    animation: book-player-loading-wave-20260716 760ms ease-in-out infinite !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-main-play .detail-loading-wave i:nth-child(2) {
    animation-delay: 120ms !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-main-play .detail-loading-wave i:nth-child(3) {
    animation-delay: 240ms !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-main-play.is-buffering .detail-play-symbol {
    display: none !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-main-play.is-buffering .detail-loading-wave {
    display: inline-flex !important;
  }

  @keyframes book-player-loading-wave-20260716 {
    0%, 100% { height: 9px; }
    50% { height: 25px; }
  }
}

@media (max-width: 390px) {
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section {
    height: 242px !important;
    min-height: 242px !important;
    margin: 10px auto 8px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode {
    height: 242px !important;
    min-height: 242px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-player,
  body:has(.detail-main.book-reference-detail-shell) .detail-hero-video-first.mobile-detail-player-section .media-card.is-audio-mode .mobile-listen-player {
    height: 242px !important;
    min-height: 242px !important;
    padding: 8px 16px 12px !important;
    grid-template-rows: 36px 56px minmax(104px, 1fr) !important;
    row-gap: 6px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress {
    grid-template-columns: 60px minmax(0, 1fr) 60px !important;
    gap: 7px 12px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .detail-player {
    gap: 10px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-progress .mobile-skip {
    width: 60px !important;
    min-width: 60px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls {
    grid-template-columns: minmax(44px, 1fr) minmax(36px, 0.78fr) 72px minmax(44px, 1fr) minmax(44px, 1fr) !important;
    gap: 5px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section .mobile-listen-controls .mobile-main-play {
    width: 56px !important;
    min-width: 56px !important;
    height: 56px !important;
    min-height: 56px !important;
    border-radius: 50% !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section:has(.mobile-control-menu:not([hidden])),
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section:has(.mobile-control-menu:not([hidden])) .media-card.is-audio-mode,
  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section:has(.mobile-control-menu:not([hidden])) .mobile-listen-player {
    height: 312px !important;
    min-height: 312px !important;
  }

  body:has(.detail-main.book-reference-detail-shell) .mobile-detail-player-section:has(.mobile-control-menu:not([hidden])) .mobile-listen-player {
    grid-template-rows: 36px 56px minmax(174px, 1fr) !important;
  }
}