#chapter-sound .player{background:transparent;border:0;border-top:1px solid #cbd5c7;border-bottom:1px solid #cbd5c7;border-radius:0;box-shadow:none;padding:24px 0 14px;margin:0;gap:0}
#chapter-sound .player-row{display:flex;align-items:center;gap:20px}
#chapter-sound .pp-btn{width:50px;height:50px;min-width:50px;border-radius:50%;font-size:20px;box-shadow:none}
#chapter-sound .player-meta{min-width:0;flex:1}
#chapter-sound .player-track{font:28px/1.5 SimSun,serif;letter-spacing:2px}
#chapter-sound .player-performer{font-size:12px;line-height:1.7;margin-top:4px;color:#738073}
#chapter-sound .player-switch{display:flex;align-items:center;gap:10px;margin:0;width:auto;flex-shrink:0}
#chapter-sound .track-index{font:12px/1.5 Georgia,serif;color:#738073;margin-right:10px}
#chapter-sound .player-switch button{display:grid;place-items:center;width:36px;height:36px;padding:0;border:1px solid #d4d9cd;border-radius:50%;background:transparent;color:#405b4c;font:26px/1 Georgia,serif}
#chapter-sound .player-switch button:hover{background:#e9eee5;border-color:#a4b29f}
#chapter-sound .player-progress{height:4px;margin:24px 0 0;background:#dce2d7;overflow:visible;cursor:pointer;position:relative}
#chapter-sound .player-progress::before{content:'';position:absolute;inset:-8px 0}
#chapter-sound .player-fill{height:4px;background:#4f8275;border-radius:0}
#chapter-sound .player-time-row{display:flex;justify-content:space-between;margin-top:9px;font:11px/1.8 Georgia,serif;color:#738073;font-variant-numeric:tabular-nums}
#chapter-sound .player-time-row b{display:none}
#chapter-sound .sound-viz-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;margin-top:30px}
#chapter-sound .sound-viz-panel{min-width:0;padding:0;margin:0;border:0;background:transparent;box-shadow:none}
#chapter-sound .sound-viz-head{height:auto;min-height:24px;margin:0 0 18px;font-size:14px;line-height:1.7;font-weight:400;color:#405b4c;letter-spacing:1px}
#chapter-sound .live-wave{display:block;width:100%;height:138px;border:0}
#chapter-sound .sound-viz-panel .live-spectrum{display:block;width:100%;height:64px;margin-top:16px;border:0}
#chapter-sound .viz-sub-label{display:block;font-size:10px;color:#7c857b;line-height:1.6;padding-top:5px}
#chapter-sound #rms-chart{width:100%;height:255px;min-height:0;margin:0;padding:0;background:transparent;border:0;box-shadow:none}
#chapter-sound button:focus-visible{outline:2px solid #ae513b;outline-offset:4px}
@media(max-width:760px){#chapter-sound .sound-viz-grid{grid-template-columns:1fr;gap:26px}#chapter-sound .player-track{font-size:23px}#chapter-sound .player-row{gap:12px}#chapter-sound .pp-btn{width:44px;height:44px;min-width:44px}#chapter-sound .player-switch{gap:6px}#chapter-sound .track-index{margin-right:4px}#chapter-sound .player-switch button{width:32px;height:32px}}
@media(max-width:420px){#chapter-sound .player-row{flex-wrap:wrap}#chapter-sound .player-switch{margin-left:auto}#chapter-sound .player-track{font-size:22px}}