:root{--paper:#f6f3ec;--ink:#2c302d;--muted:#85877e;--green:#2c6658;--line:#deded4;--gold:#fff0be;--gold-ink:#89611c;--reading-size:23px;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;padding-bottom:150px}button,a,input,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit}button,a,input,select{outline-offset:5px}button{cursor:pointer}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:2px solid var(--green)}a{color:inherit;text-decoration:none}button{border:0;background:none}button:disabled{opacity:.4;cursor:default}button:hover{color:var(--green)}[hidden]{display:none!important}.shell{width:min(1200px,calc(100% - 100px));margin:auto}.masthead{height:111px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;font-size:16px;font-weight:600;letter-spacing:3px}.brand-sub{display:block;font-size:10px;color:var(--muted);font-weight:400;letter-spacing:2.1px;margin-top:6px}.seal{font-family:"Songti SC","STSong",serif;line-height:1.15;font-size:17px;border:1.5px solid var(--green);padding:5px 7px;color:var(--green);border-radius:2px;transform:rotate(-3deg)}.masthead-note{font-size:12px;color:var(--muted);letter-spacing:.8px}.status-dot{display:inline-block;width:5px;height:5px;background:var(--green);border-radius:50%;margin-right:6px;vertical-align:middle}.intro{padding:57px 0 42px}.eyebrow{font-size:12px;color:var(--green);letter-spacing:2.5px;margin:0 0 18px}.eyebrow span{color:#c3c5ba;margin:0 12px}h1{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-weight:600;font-size:50px;letter-spacing:3px;margin:0;line-height:1.3;display:flex;align-items:center;gap:20px}.episode-tag{font-family:-apple-system,"PingFang SC",sans-serif;font-size:12px;font-weight:400;letter-spacing:1px;border:1px solid #cccec0;border-radius:4px;padding:7px 10px;color:#6c7567}.intro-text{font-size:15px;color:#7b8077;margin:17px 0 26px;letter-spacing:1px}.metadata{display:flex;align-items:center;gap:23px;font-size:12px;color:#596158}.metadata>span+span{border-left:1px solid #cfd2c6;padding-left:23px}.metadata i{font-style:normal;color:#9b9e93;margin-left:5px}.review-legend{display:flex;align-items:center;gap:7px}.review-legend>span{height:9px;width:9px;border:1px solid #e0c980;background:var(--gold);border-radius:2px}.review-legend b{font-weight:400;color:#89611c}.reading-layout{display:grid;grid-template-columns:232px minmax(0,1fr);gap:64px;border-top:1px solid var(--line);align-items:start}.sidebar{position:sticky;top:27px;padding-top:26px;padding-bottom:25px}.nav-tabs{display:flex;border-bottom:1px solid var(--line);gap:25px}.nav-tabs button{font-size:13px;padding:0 0 14px;color:#95998d;position:relative}.nav-tabs button[aria-selected=true]{color:var(--green);font-weight:600}.nav-tabs button[aria-selected=true]:after{position:absolute;content:"";height:2px;background:var(--green);bottom:-1px;left:0;right:0}.nav-tabs button span{font-size:10px;margin-left:3px;color:#9a884e}.chapter-list{padding-top:18px}.chapter-link{width:100%;display:grid;grid-template-columns:36px 1fr;gap:11px;padding:13px 7px 13px 0;text-align:left;line-height:1.4;border-radius:5px}.chapter-time{font-variant-numeric:tabular-nums;font-size:10px;color:#9a9d92;line-height:21px}.chapter-title{font-size:13px;color:#697166}.chapter-description{display:block;font-size:10px;color:#a3a69a;margin-top:5px;font-weight:400}.chapter-link.is-current .chapter-title{color:var(--green);font-weight:600}.chapter-link.is-current .chapter-time{color:var(--green)}.chapter-link:hover{background:#eeeee4}.sidebar-note{border-top:1px solid var(--line);margin-top:22px;padding-top:24px;color:#90958b;font-size:11px;line-height:1.9}.small-label{font-size:10px;letter-spacing:1.3px;color:#757c70}.sidebar-note p{margin:10px 0}.sidebar-note a{display:block;color:var(--green);font-size:11px;margin-top:19px}.sidebar-note a span{float:right}.review-list{padding-top:14px;max-height:51vh;overflow:auto;scrollbar-width:thin}.review-link{width:100%;padding:13px 5px 13px 0;text-align:left;border-bottom:1px solid #e7e5da}.review-link time{font-size:10px;color:#968145;display:block;margin-bottom:5px;font-variant-numeric:tabular-nums}.review-link span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:12px;line-height:1.8;color:#7b724f}.reader{padding-top:26px;min-width:0}.reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:3;background:rgba(246,243,236,.96);backdrop-filter:blur(14px);padding:17px 0 18px;border-bottom:1px solid #e7e5db}.section-label{font-size:13px;font-weight:600;letter-spacing:1px}.current-chapter{font-size:11px;color:#969b8f;margin-left:14px}.reader-actions{display:flex;align-items:center;gap:20px}.font-controls{display:flex;gap:9px}.font-controls button{font-family:Georgia,serif;font-size:12px;color:#7a8376;width:23px;height:27px}.follow-toggle{display:flex;align-items:center;gap:6px;font-size:11px;padding:7px 10px;background:#e9ede2;color:var(--green);border-radius:4px;white-space:nowrap}.follow-toggle[aria-pressed=false]{background:#ebe9e1;color:#9a9c90}.follow-icon{font-size:15px}.reading-hint{font-size:10px;color:#9fa397;letter-spacing:.4px;margin:18px 0 29px}.reading-hint span{margin:0 9px}.transcript{padding-bottom:30px}.cue{position:relative;margin:0 -18px 14px;padding:17px 20px 19px 21px;border-radius:8px;transition:background .25s ease,color .25s ease;cursor:pointer;border:1px solid transparent;scroll-margin-top:112px}.cue:hover{background:#efeee5}.cue.is-active{background:#fffef8;border-color:#e3e8dc;box-shadow:0 3px 15px #344e3510}.cue.is-active:before{position:absolute;content:"";left:0;top:21px;bottom:21px;width:3px;background:var(--green);border-radius:0 3px 3px 0}.cue-time{display:block;font-size:10px;font-variant-numeric:tabular-nums;letter-spacing:1px;color:#a3a898;margin-bottom:9px;font-family:-apple-system,"PingFang SC",sans-serif}.cue.is-active .cue-time{color:var(--green)}.cue-text{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-size:var(--reading-size);line-height:1.95;letter-spacing:.65px;color:#586052;overflow-wrap:anywhere}.cue.is-active .cue-text{color:#263e31}.pending-word{background:#fff0be;color:#77551c;border-radius:3px;padding:0 2px;border-bottom:1px solid #dec482}.pending-note{display:inline;color:#876322;background:var(--gold);font-size:.71em;letter-spacing:.2px;padding:3px 6px;border-radius:4px;line-height:2;box-decoration-break:clone;-webkit-box-decoration-break:clone}.annotation{color:#95958a;font-size:.76em}.cue.is-active .pending-note{background:#f9e8aa}.cue.is-flash{animation:flash 1.2s ease}@keyframes flash{0%,100%{box-shadow:none}25%{box-shadow:0 0 0 3px #dfba5480}}.end-note{border-top:1px solid var(--line);text-align:center;color:#a0a495;padding:40px 0 60px}.end-note>span{font-family:"Songti SC",serif;letter-spacing:8px;font-size:15px}.end-note p{font-size:11px;margin-top:17px}.player{position:fixed;bottom:0;left:0;right:0;z-index:10;background:#fcfbf7ed;border-top:1px solid #dce0d4;backdrop-filter:blur(20px);padding:21px 0 23px;box-shadow:0 -8px 32px #263b2010}.player-inner{display:flex;align-items:center;gap:28px}.transport{display:flex;align-items:center;gap:14px}.play-button{width:48px;height:48px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;transition:transform .15s}.play-button:hover{background:#245648;color:#fff;transform:scale(1.04)}.play-button svg{width:23px;height:23px;fill:currentColor}.skip-button{position:relative;width:24px;height:35px;color:#667260}.skip-button>span{font-size:29px;line-height:1}.skip-button small{position:absolute;top:17px;left:9px;font-size:8px}.timeline{flex:1;min-width:110px}.track-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12px;margin-bottom:12px}.track-heading i{font-style:normal;color:#a0a597;font-size:10px;margin-left:4px}.time-display{display:flex;gap:6px;align-items:center;font-size:10px;font-variant-numeric:tabular-nums;color:#9a9f91}.time-display b{color:#63715c;font-weight:500}input[type=range]{--progress:0%;appearance:none;-webkit-appearance:none;width:100%;height:24px;border:0;background:linear-gradient(to right,var(--green) 0 var(--progress),#d9ded1 var(--progress) 100%);background-size:100% 3px;background-repeat:no-repeat;background-position:center;border-radius:9px;display:block;cursor:pointer;margin:0}input[type=range]::-webkit-slider-thumb{appearance:none;width:10px;height:10px;border-radius:50%;background:var(--green);border:2px solid #fcfbf7;box-shadow:0 0 0 1px var(--green)}input[type=range]::-moz-range-thumb{width:8px;height:8px;background:var(--green);border:2px solid #fcfbf7;border-radius:50%}.play-options{display:flex;gap:5px;align-items:center}.review-skip{font-size:23px;padding:6px;color:#9c8c5f}.review-next{font-size:11px;color:#8c7c4a;padding:7px 9px;white-space:nowrap}.review-next span{margin-left:9px}.speed-label{margin-left:14px;border-left:1px solid var(--line);padding-left:21px}.speed-label select{appearance:none;border:0;border-radius:4px;color:#64725d;background:#edf0e7;padding:8px 10px;font-size:11px;cursor:pointer}.return-current{position:fixed;bottom:116px;right:max(40px,calc((100vw - 1200px)/2));z-index:9;padding:11px 17px;border-radius:25px;border:1px solid #c9d4bd;background:#fffef7;box-shadow:0 3px 15px #203d2814;font-size:12px;color:var(--green)}.return-current span{margin-left:10px}.toast{position:fixed;bottom:124px;left:50%;transform:translateX(-50%);background:#2b3e32ee;color:white;font-size:12px;padding:11px 18px;border-radius:5px;z-index:20;max-width:80vw}.audio-error{text-align:center;color:#a04c34;font-size:12px;padding:0 20px}.sr-only{position:absolute;overflow:hidden;clip:rect(0,0,0,0);width:1px;height:1px;white-space:nowrap}
@media(min-width:1400px){.reading-layout{gap:85px;grid-template-columns:245px 1fr}.reader{padding-right:20px}}
@media(max-width:1050px){.shell{width:calc(100% - 64px)}.reading-layout{grid-template-columns:190px 1fr;gap:38px}.player-inner{gap:20px}.transport{gap:8px}.play-options{gap:0}.speed-label{margin-left:4px;padding-left:10px}.review-next span{margin-left:3px}}
/* Mobile reading keeps the transcript above the measured player height. */
:root{--player-height:104px;--toolbar-height:64px}
html{scroll-padding-top:calc(var(--toolbar-height) + 18px);-webkit-text-size-adjust:100%}
body{padding-bottom:calc(var(--player-height) + 26px)}
button,select,input[type=range]{touch-action:manipulation}
.reader-context{min-width:0}
.cue{scroll-margin-top:calc(var(--toolbar-height) + 18px)}
.return-current{bottom:calc(var(--player-height) + 12px)}
.toast{bottom:calc(var(--player-height) + 16px)}
.mobile-nav-toggle{display:none}
.mobile-navigation:not([open]){display:none}
.navigation-open{overflow:hidden}
.mobile-navigation{color:var(--ink);background:var(--paper);border:0;border-radius:22px 22px 0 0;inset:auto 0 0;margin:0;width:100%;max-width:none;max-height:82vh;max-height:82dvh;padding:0;box-shadow:0 -12px 60px #18392b24}
.mobile-navigation[open]{display:flex;flex-direction:column}
.mobile-navigation::backdrop{background:#142b2280;backdrop-filter:blur(3px)}
.mobile-navigation-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px max(22px,env(safe-area-inset-right)) 16px max(22px,env(safe-area-inset-left));border-bottom:1px solid var(--line);flex-shrink:0}
.mobile-navigation-heading h2{font-family:"Songti SC","STSong",serif;font-size:24px;font-weight:600;letter-spacing:1px;margin:7px 0 0}
#close-navigation{width:44px;height:44px;background:#e9ede2;border-radius:50%;font-size:19px;color:var(--green);flex-shrink:0}
.mobile-navigation-content{overflow:auto;overscroll-behavior:contain;padding:18px max(22px,env(safe-area-inset-right)) calc(22px + env(safe-area-inset-bottom)) max(22px,env(safe-area-inset-left))}
.mobile-navigation .sidebar{display:block;position:static;padding:0;border:0}
.mobile-navigation .nav-tabs{border-bottom:1px solid var(--line);gap:24px}
.mobile-navigation .nav-tabs button{font-size:15px;min-height:44px;padding:8px 10px 14px}
.mobile-navigation .chapter-list{display:block;overflow:visible;padding-top:8px}
.mobile-navigation .chapter-link{display:grid;grid-template-columns:44px 1fr;gap:12px;width:100%;min-height:64px;padding:13px 8px;border:0;border-bottom:1px solid #e3e3d8;border-radius:5px;text-align:left}
.mobile-navigation .chapter-time{display:block;font-size:12px;line-height:23px}
.mobile-navigation .chapter-title{font-size:15px;white-space:normal}
.mobile-navigation .chapter-description{display:block;font-size:12px;line-height:1.5}
.mobile-navigation .review-list{display:block;max-height:none;overflow:visible;padding-top:6px}
.mobile-navigation .review-link{min-height:60px;padding:13px 7px}
.mobile-navigation .review-link time{font-size:12px}
.mobile-navigation .review-link span{font-size:14px;line-height:1.8}
.mobile-navigation .sidebar-note{display:block;font-size:13px;line-height:1.8;margin-top:20px;padding-top:20px}
.mobile-navigation .sidebar-note a{display:flex;align-items:center;justify-content:space-between;min-height:44px;font-size:14px}
@media(max-width:760px),(max-width:950px) and (max-height:500px){
  :root{--reading-size:21px;--player-height:144px}
  .shell{width:auto;margin-left:max(16px,env(safe-area-inset-left));margin-right:max(16px,env(safe-area-inset-right))}
  .masthead{height:calc(66px + env(safe-area-inset-top));padding-top:env(safe-area-inset-top)}
  .brand{font-size:13px;gap:10px;letter-spacing:2px}
  .brand-sub{font-size:9px;margin-top:4px}
  .seal{font-size:14px;padding:4px 6px}
  .masthead-note{font-size:0}
  .masthead-note .status-dot{width:6px;height:6px}
  .intro{padding:27px 0 25px}
  .eyebrow{font-size:10px;letter-spacing:1.5px;margin-bottom:12px}
  h1{font-size:clamp(29px,8vw,36px);letter-spacing:1px;gap:10px;flex-wrap:wrap}
  .episode-tag{font-size:10px;padding:5px 7px}
  .intro-text{font-size:12px;line-height:1.7;margin:11px 0 18px;letter-spacing:.5px}
  .metadata{gap:13px;font-size:11px;flex-wrap:wrap;row-gap:10px}
  .metadata>span+span{padding-left:13px}
  .reading-layout{display:block}
  .reading-layout>.sidebar{display:none}
  .reader{padding-top:0}
  .reader-toolbar{padding:6px 0;gap:10px;top:0;min-height:58px}
  .section-label{display:none}
  .mobile-nav-toggle{display:flex;align-items:center;gap:6px;min-height:44px;padding:0 1px;font-size:12px;color:var(--green);white-space:nowrap;font-weight:600}
  .mobile-nav-toggle span{font-size:15px;transform:rotate(180deg)}
  .mobile-nav-toggle[aria-expanded=true] span{transform:none}
  .current-chapter{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;line-height:15px;margin:0 0 3px;color:#838d7d}
  .reader-actions{gap:6px;flex-shrink:0}
  .font-controls{gap:0}
  .font-controls button{width:44px;height:44px;font-size:14px}
  .follow-toggle{min-height:44px;padding:0 8px;font-size:11px;gap:4px}
  .reading-hint{font-size:11px;line-height:1.8;letter-spacing:0;margin:17px 0 12px}
  .reading-hint span{margin:0 6px}
  .keyboard-hint{display:none}
  .cue{margin:0 -7px 9px;padding:15px 9px 18px 12px}
  .cue-time{font-size:11px;letter-spacing:.5px;margin-bottom:7px}
  .cue-text{line-height:1.9;letter-spacing:.25px}
  .pending-note{padding:3px 4px;font-size:.73em}
  .end-note{padding:30px 0}
  .player{padding:9px 0 calc(8px + env(safe-area-inset-bottom));backdrop-filter:blur(20px)}
  .player-inner{display:grid;grid-template-areas:"timeline timeline timeline" "review transport speed";grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:2px 6px;align-items:center}
  .timeline{grid-area:timeline;min-width:0}
  .track-heading{font-size:12px;margin-bottom:0;min-height:22px;gap:8px}
  .track-heading i{display:none}
  .time-display{font-size:11px;gap:5px;flex-shrink:0}
  input[type=range]{height:34px;background-size:100% 3px}
  input[type=range]::-webkit-slider-thumb{width:16px;height:16px;border-width:3px}
  input[type=range]::-moz-range-thumb{width:12px;height:12px;border-width:3px}
  .transport{grid-area:transport;gap:4px}
  .play-button{width:48px;height:48px}
  .skip-button{width:44px;height:48px}
  .skip-button>span{font-size:31px}
  .skip-button small{top:23px;left:19px;font-size:9px}
  .play-options{display:contents}
  .review-skip{display:none}
  .review-next{grid-area:review;justify-self:start;min-height:44px;max-width:100%;padding:0 2px;font-size:11px;white-space:nowrap}
  .review-next span{margin-left:2px}
  .speed-label{grid-area:speed;justify-self:end;margin:0;padding:0;border:0}
  .speed-label select{font-size:12px;min-height:44px;min-width:57px;padding:0 8px}
  .return-current{right:max(16px,env(safe-area-inset-right));font-size:12px;min-height:44px;padding:11px 16px}
  .toast{font-size:12px;line-height:1.6;text-align:center;width:max-content;max-width:calc(100vw - 32px)}
  .audio-error{font-size:12px;line-height:1.5;margin:8px 0 0}
}
@media(max-width:380px){
  .current-chapter{display:none}
  .reader-toolbar{min-height:56px}
  .intro{padding:22px 0}
  .metadata{gap:10px;font-size:10px}
  .metadata>span+span{padding-left:10px}
  .review-next{font-size:10px}
  .review-next span{display:none}
}
@media(max-width:950px) and (max-height:500px){
  .masthead{height:54px;padding-top:0}
  .intro{padding:20px 0}
  .intro-text{margin:8px 0 12px}
  .player-inner{grid-template-areas:"transport timeline review speed";grid-template-columns:auto minmax(0,1fr) auto auto;gap:14px}
  .player{padding-top:8px}
  .review-next{padding:0 7px}
  .current-chapter{display:none}
  .mobile-navigation{max-height:90vh;max-height:90dvh}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}