:root {
  --bg: #F5F2E9; --surface: #FFFBF0; --ink: #2A1F19; --ink-soft: #544942;
  --line: #D6C6B0; --accent: #8B4513; --accent-soft: rgba(139, 69, 19, .10);
  --highlight: #E6CEAC; --ok: #4a6b3a; --warn: #9c5b16; --danger: #96341f;
  --font-body: "Noto Serif TC", "Noto Serif SC", "Noto Serif CJK TC", "Songti SC", "PMingLiU", serif;
  --font-en: Georgia, "Times New Roman", serif;
  --fs-base: 17px; --fs-en: 15px; --lh-cn: 1.9; --lh-en: 1.8;
  --page-width: 1100px;
  --pad-x: clamp(16px, 4vw, 56px);

  --chrome-page: var(--surface);
  --chrome-head: var(--surface);
  --spec-title: #504834;
  --spec-text: #868686;
  --spec-gold: #C5954F;
  --spec-rule: #E8E5DF;
  --foot-bg: #333333; --foot-ink: #F0F0F0;
  --font-title: "Noto Serif TC", "Noto Serif SC", "Noto Serif CJK TC", "Songti SC", "PMingLiU", serif;
  --font-ui: "Noto Sans TC", "Noto Sans SC", "Noto Sans CJK TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}
:root[data-theme="dark"] {

  --spec-title: #e8eaed; --spec-text: #9aa3ad; --spec-gold: #c9a961;
  --spec-rule: #2c3037; --foot-bg: #0b0c0e; --foot-ink: #c9cdd2;
}

html { font-size: var(--fs-base); }
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--chrome-page); color: var(--ink);
  font-family: var(--font-body); line-height: var(--lh-cn);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

.site-head { background: var(--chrome-head); border-bottom: 1px solid var(--spec-rule); }

.head-in { max-width: var(--page-width); margin: 0 auto;
           padding: 18px var(--pad-x) 16px; display: flex; align-items: center; gap: 24px; }
.logo { flex: none; display: block; }
.logo img { height: 52px; width: auto; display: block; }
:root[data-theme="dark"] .logo img { filter: brightness(1.5) saturate(.8); }
.head-right { flex: 1; min-width: 0; display: flex; flex-direction: column;
              align-items: flex-end; gap: 12px; }
.util { display: flex; align-items: center; gap: 4px; font-family: var(--font-ui); }
.util .tbtn { border: 0; padding: 2px 10px; font-size: .78rem; color: var(--spec-text);
              letter-spacing: .04em; background: none; }
.util .tbtn + .tbtn { border-left: 1px solid var(--spec-rule); }
.util .tbtn:hover { color: var(--spec-gold); background: none; }
.mainnav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 30px; }
.mainnav a { font-family: var(--font-title); font-weight: 500; font-size: .9rem;
             letter-spacing: .08em; color: var(--spec-title); text-decoration: none;
             white-space: nowrap; }
.mainnav a:hover, .mainnav a.on { font-weight: 700; color: var(--spec-gold); }
@media (max-width: 860px) {
  .head-in { flex-wrap: wrap; gap: 10px; padding-top: 12px; padding-bottom: 10px; }
  .logo img { height: 36px; }

  .head-right { display: contents; }
  .util { margin-left: auto; }
  .util .tbtn { padding: 2px 6px; font-size: .74rem; }
  .util .tbtn .ic { display: none; }
  .mainnav { flex-basis: 100%; }

  .mainnav { flex-wrap: wrap; justify-content: flex-start; gap: 6px 18px; padding-bottom: 4px; }
}

.page-title { text-align: center; padding: 14px var(--pad-x) 0; }
.page-title:not(:has(.crumbs)) { padding: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
           overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.crumbs { font-family: var(--font-ui); font-size: .84rem;
          color: var(--spec-text); letter-spacing: .04em; }
.crumbs a { color: var(--spec-text); text-decoration: none; }
.crumbs a:hover { color: var(--spec-gold); }
.crumbs .here { color: var(--spec-gold); }

@media (max-width: 860px) {
  .page-title { padding: 10px var(--pad-x) 0; }
  .crumbs { font-size: .76rem; }
}

.site-foot { background: var(--foot-bg); color: var(--foot-ink); }
.foot-in { max-width: var(--page-width); margin: 0 auto; padding: 44px var(--pad-x) 52px;
           display: flex; justify-content: flex-end; }
.foot-in address { font: normal .84rem/1.75 var(--font-title); letter-spacing: .06em; }
.foot-in address p + p { margin-top: 14px; }
@media (max-width: 860px) { .foot-in { justify-content: flex-start; padding-bottom: 88px; } }

.tbtn { font-family: var(--font-ui); font-weight: 500; font-size: .78rem; letter-spacing: .06em;
        background: none; border: 1px solid var(--spec-text); color: var(--spec-text);
        padding: 5px 13px; cursor: pointer; text-decoration: none; white-space: nowrap; }
.tbtn:hover, .tbtn:active { background: var(--spec-gold); border-color: var(--spec-gold);
                            color: #FFFFFF; }

:root[data-page-width="full"] .head-in, :root[data-page-width="full"] .foot-in,
:root[data-page-width="full"] .player-in, :root[data-page-width="full"] .page,
:root[data-page-width="full"] .fake-note { padding-left: 10px; padding-right: 10px; }

.page { max-width: var(--page-width); margin: 0 auto 72px;
        padding: clamp(22px, 3vw, 44px) var(--pad-x) 64px;
        background: var(--surface); box-shadow: 0 1px 4px rgba(0, 0, 0, .05);
        display: flex; gap: clamp(24px, 3vw, 46px); align-items: flex-start; }
:root[data-page-width="full"] .page { margin-bottom: 0; }
.aside { flex: 0 0 168px; text-align: center; }
.aside .frame { border: 1px solid var(--line); background: var(--surface);
                padding: 7px; display: inline-block; }
.aside img { width: 100%; height: auto; display: block; }
.aside p { margin-top: 14px; font-size: .84rem; letter-spacing: .34em;
           color: var(--ink-soft); writing-mode: vertical-rl; display: inline-block;
           text-indent: .34em; }
@media (max-width: 860px) {
  .page { display: block; }
  .aside { display: flex; gap: 18px; align-items: center; text-align: left;
           margin-bottom: 22px; }
  .aside .frame { width: 96px; }
  .aside p { writing-mode: horizontal-tb; margin-top: 0; }
}
.main { flex: 1; min-width: 0; }

.notice { background: var(--accent-soft); border: 1px solid var(--highlight);
          padding: 11px 16px; font-size: .8rem; line-height: 1.85;
          color: var(--ink-soft); }
.notice b { color: var(--accent); }

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 40px;
        margin-top: 26px; align-items: start; }
@media (max-width: 860px) { .cols { grid-template-columns: 1fr; } }
.sec { margin-bottom: 30px; }

.sec > h2 { font-family: var(--font-title); font-size: 1.1rem; font-weight: 500;
            letter-spacing: .14em; color: var(--spec-title); line-height: 1.5;
            padding: 0 0 8px 14px; border-left: 4px solid var(--spec-gold);
            border-bottom: 1px solid var(--spec-rule); }
.sec > h2 .n { float: right; font-size: .64rem; letter-spacing: .08em;
               color: var(--ink-soft); }
.rows { margin-top: 12px; }
.row { padding: 4px 0; font-size: .9rem; }
.row.item::before { content: "・"; color: var(--line); }

.row.group { color: var(--ink-soft); }
.row.group::before { content: "・"; color: var(--line); }
.row.child { padding-left: 1.6em; }
.row a { color: var(--ink-soft); text-decoration: none;
         border-bottom: 1px solid transparent; }
.row a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.row a.live { color: var(--accent); }
.row .sep { color: var(--line); padding: 0 .35em; }
.row .dead { color: var(--ink-soft); opacity: .55; }

.note { margin-top: 26px; padding: 14px 18px; background: var(--surface);
        border-left: 3px solid var(--accent); font-size: .8rem;
        line-height: 1.9; color: var(--ink-soft); }
.note b { color: var(--ink); }

#toTop { position: fixed; right: 22px; bottom: 22px; z-index: 60;
         width: 46px; height: 46px; border-radius: 50%;
         display: flex; align-items: center; justify-content: center;
         background: var(--accent); color: var(--surface);
         border: none; cursor: pointer; font-size: 1.15rem; line-height: 1;
         box-shadow: 0 2px 10px rgba(0, 0, 0, .28);

         opacity: 0; pointer-events: none; transition: opacity .2s; }
#toTop.on { opacity: 1; pointer-events: auto; }
#toTop:hover { background: var(--ink); }
@media (prefers-reduced-motion: reduce) { #toTop { transition: none; } }

.ic { width: 1em; height: 1em; fill: currentColor; vertical-align: -.14em;
      margin-right: .4em; flex: none; }
.tbtn .ic { margin-right: .35em; }
.tbtn { display: inline-flex; align-items: center; }

.player { position: sticky; top: 0; z-index: 45; background: var(--surface);
          border-bottom: 1px solid var(--line); padding: 9px 0 7px; }
.player-in { max-width: var(--page-width); margin: 0 auto; padding: 0 var(--pad-x);
             display: flex; align-items: center; gap: 12px; }

.player-extras { margin-top: 7px; flex-wrap: wrap; justify-content: flex-end;
                 gap: 8px 10px; }
.player-extras .gap { flex: 1; min-width: 0; }
@media (max-width: 760px) {
  .player-extras { justify-content: flex-start; flex-wrap: nowrap; }

  .player-extras .gap { display: none; }
  .player-extras .lang-select { flex: 1 1 0; min-width: 0; text-overflow: ellipsis; }
}
.pbtn { width: 40px; height: 40px; flex: none; border-radius: 50%; border: none;
        background: var(--accent); color: var(--surface); cursor: pointer;
        line-height: 1; display: flex; align-items: center; justify-content: center;
        transition: background .18s; }
.pbtn:hover { background: var(--ink); }
.pbtn svg { width: 18px; height: 18px; fill: currentColor; display: block; }
.pbtn.ghost { background: none; color: var(--ink-soft); border: 1px solid var(--line);
              width: 34px; height: 34px; font-size: .78rem; border-radius: 8px; }
.pbtn.ghost:hover { color: var(--ink); background: var(--accent-soft);
                    border-color: var(--accent); }
.pbtn.ghost.on { background: var(--accent); color: var(--surface);
                 border-color: var(--accent); }
.pbtn.ghost svg { width: 15px; height: 15px; }

.wave-wrap { flex: 1; min-width: 0; position: relative; height: 34px;
             cursor: pointer; border-radius: 6px; overflow: hidden;
             background: color-mix(in srgb, var(--ink) 8%, var(--surface));
             border: 1px solid var(--line); }
.wave-wrap:hover { border-color: var(--accent); }
.wave-wrap:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#wave { width: 100%; height: 100%; display: block; }
.wave-head { position: absolute; top: 0; bottom: 0; width: 2px;
             background: var(--accent); pointer-events: none; }

.ptime { flex: none; min-width: 92px; text-align: right;
         font: .74rem/1 var(--font-en); color: var(--ink-soft);
         font-variant-numeric: tabular-nums; letter-spacing: .04em; }

.speed-group { display: inline-flex; border: 1px solid var(--line);
               border-radius: 8px; overflow: hidden; flex: none; }
.speed-btn { font: inherit; font-size: .72rem; padding: 5px 9px; border: none;
             border-left: 1px solid var(--line); background: var(--surface);
             color: var(--ink-soft); cursor: pointer; }
.speed-btn:first-child { border-left: none; }
.speed-btn:hover { color: var(--ink); background: var(--accent-soft); }
.speed-btn.is-active { background: var(--accent); color: var(--surface); font-weight: 600; }

.lang-select { font-family: inherit; font-size: .76rem; padding: 6px 9px;
               color: var(--ink); background: var(--surface);
               border: 1px solid var(--line); border-radius: 8px;
               cursor: pointer; max-width: 100%; flex: none; }

.lang-select:hover { border-color: var(--accent); }
.lang-select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.fake-note { max-width: var(--page-width); margin: 0 auto;
             padding: 6px var(--pad-x) 2px; font-size: .68rem; line-height: 1.75;
             color: var(--warn); letter-spacing: .03em; }
.fake-note[hidden] { display: none; }

:root[data-audio="off"] .player-in:not(.player-extras),
:root[data-audio="off"] #speedGroup, :root[data-audio="off"] #pSearch,
:root[data-audio="off"] #pHelp, :root[data-audio="off"] #fakeToggle,
:root[data-audio="off"] .fake-note, :root[data-audio="off"] .resume-bar,
:root[data-audio="off"] .help-audio { display: none !important; }
:root[data-audio="off"] .player-extras { margin-top: 0; }
#fakeToggle.on { background: var(--warn); color: var(--surface);
                 border-color: var(--warn); }

.paragraph-row { display: grid; gap: 0 clamp(24px, 3.2vw, 50px);
                 grid-template-columns: var(--cols, 1fr 1fr); position: relative;
                 margin-bottom: 30px; padding-bottom: 24px;
                 border-bottom: 1px dashed var(--accent-soft); }
.paragraph-row:last-of-type { border-bottom: none; }

.paragraph-row.single-col { grid-template-columns: minmax(0, 44em);
                            justify-content: center; }
@media (max-width: 760px) { .paragraph-row { grid-template-columns: 1fr; } }
.para-col { min-width: 0; }
.para-col[data-script="en"] { font-family: var(--font-en);
                              font-size: var(--fs-en); line-height: var(--lh-en); }
.sent-span { display: block; padding: 5px 9px; margin: -5px -9px;
             border-radius: 4px; transition: background-color .18s; }
.seekable .sent-span { cursor: pointer; }
.seekable .sent-span:hover { background: var(--accent-soft); }
.paragraph-row.playing .sent-span { background: var(--highlight); }
.paragraph-row.hit .sent-span { outline: 2px solid var(--accent); }
.paragraph-row.marked::before { content: "⚑"; position: absolute; left: -1.1em;
                                color: var(--danger); font-size: .82rem; }
.flag { position: absolute; right: -1.4em; top: 2px; opacity: 0;
        background: none; border: none; cursor: pointer; color: var(--ink-soft);
        font-size: .82rem; padding: 0 .2em; }
.paragraph-row:hover .flag { opacity: 1; }
.flag:hover { color: var(--danger); }

.col-split { position: fixed; width: 22px; margin-left: -11px;
             cursor: col-resize; z-index: 50; display: none;
             touch-action: none; background: transparent; border: 0; padding: 0; }
.col-split.is-on { display: block; }

.col-split::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0;
                     width: 1px; transform: translateX(-.5px);
                     background: var(--accent-soft);
                     transition: background .2s, width .2s; }
.col-split:hover::before, .col-split.is-dragging::before {
  background: var(--accent); width: 2px; }

.col-split::after { content: "⋮"; position: absolute; left: 50%; top: 50%;
                    transform: translate(-50%, -50%); font-size: 15px; line-height: 1;
                    color: var(--ink-soft); background: var(--surface);
                    border: 1px solid var(--line); border-radius: 4px;
                    padding: 6px 1px; opacity: .55;
                    transition: opacity .2s, color .2s; }
.col-split:hover::after, .col-split.is-dragging::after { opacity: 1; color: var(--accent); }
.col-split:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
body.splitting { cursor: col-resize; user-select: none; }
@media (prefers-reduced-motion: reduce) {
  .col-split::before, .col-split::after { transition: none; }
}

@media (max-width: 760px) { .col-split { display: none !important; } }

.search-panel { position: fixed; inset: 0; z-index: 80; display: none;
                background: rgba(0, 0, 0, .34); }
.search-panel.is-open { display: block; }
.search-box { max-width: 640px; margin: 8vh auto 0; background: var(--surface);
              border: 1px solid var(--line); box-shadow: 0 8px 30px rgba(0, 0, 0, .3);
              max-height: 74vh; display: flex; flex-direction: column; }
.search-box input { font: inherit; font-size: .95rem; padding: 13px 16px;
                    border: none; border-bottom: 1px solid var(--line);
                    background: none; color: var(--ink); outline: none; }
.search-hits { overflow-y: auto; }
.search-hits button { display: block; width: 100%; text-align: left; font: inherit;
                      font-size: .84rem; background: none; border: none;
                      border-bottom: 1px solid var(--line); padding: 9px 16px;
                      color: var(--ink-soft); cursor: pointer; }
.search-hits button:hover { background: var(--accent-soft); color: var(--ink); }
.search-hits mark { background: var(--highlight); color: var(--ink); }
.search-foot { padding: 8px 16px; font-size: .7rem; color: var(--ink-soft);
               border-top: 1px solid var(--line); }

.mark-bar { position: fixed; left: 22px; bottom: 22px; z-index: 55;
            background: var(--surface); border: 1px solid var(--line);
            padding: 7px 13px; font-size: .76rem; color: var(--ink-soft);
            display: none; gap: 10px; align-items: center; }
.mark-bar.on { display: flex; }
.mark-bar button { font: inherit; font-size: .74rem; background: none;
                   border: 1px solid var(--line); color: var(--ink-soft);
                   padding: 3px 9px; cursor: pointer; }
.mark-bar button:hover { border-color: var(--accent); color: var(--accent); }
.help-modal { position: fixed; inset: 0; z-index: 90; display: none;
              background: rgba(0, 0, 0, .34); }
.help-modal.is-open { display: block; }
.help-box { max-width: 430px; margin: 12vh auto 0; background: var(--surface);
            border: 1px solid var(--line); padding: 20px 24px; font-size: .82rem;
            line-height: 2; color: var(--ink-soft); }
.help-box h3 { font-size: .95rem; font-weight: normal; color: var(--accent);
               letter-spacing: .14em; margin-bottom: 10px; }
.help-box kbd { font: .74rem var(--font-en); border: 1px solid var(--line);
                border-radius: 3px; padding: 1px 6px; color: var(--ink);
                background: var(--bg); }
.resume-bar { position: fixed; right: 22px; bottom: 78px; z-index: 55;
              background: var(--surface); border: 1px solid var(--line);
              padding: 9px 14px; font-size: .78rem; color: var(--ink-soft);
              display: none; gap: 9px; align-items: center; }
.resume-bar.on { display: flex; }
.resume-bar button { font: inherit; font-size: .74rem; background: none;
                     border: 1px solid var(--line); color: var(--ink-soft);
                     padding: 3px 9px; cursor: pointer; }
.resume-bar button:hover { border-color: var(--accent); color: var(--accent); }

.book-head { padding-bottom: 16px; border-bottom: 1px solid var(--spec-rule); }

.book-head h1, .talk-head h1 { font-family: var(--font-title); font-weight: 500;
                               color: var(--spec-title); border-left: 4px solid var(--spec-gold);
                               padding-left: 18px; margin-left: -22px; }
@media (max-width: 860px) { .book-head h1, .talk-head h1 { margin-left: 0; padding-left: 12px; } }
.book-head h1 { font-size: 1.6rem; letter-spacing: .12em; }
.book-head p { margin-top: 9px; font-size: .8rem; color: var(--ink-soft);
               letter-spacing: .05em; }
.toc { margin-top: 24px; columns: 2; column-gap: 40px; }
@media (max-width: 760px) { .toc { columns: 1; } }
.toc div { break-inside: avoid; padding: 6px 0; font-size: .88rem;
           color: var(--ink-soft); border-bottom: 1px dashed var(--line); }

.toc div { display: grid; grid-template-columns: auto 1fr; column-gap: .6em; }
.toc .toc-n { color: var(--line); }
.toc a { text-decoration: none; }
.toc .en { grid-column: 2; margin-top: 2px; font-family: var(--font-en);
           font-size: .9em; line-height: 1.45; color: var(--ink); }
.toc a:hover { color: var(--accent); }
.toc div.on { color: var(--accent); }

.talk-head { padding: 4px 0 20px; margin-bottom: 4px;
             border-bottom: 2px solid var(--highlight); }
.talk-head h1 { font-size: clamp(1.3rem, 2.3vw, 1.8rem);
                letter-spacing: .1em; line-height: 1.5; text-wrap: balance; }
.talk-head .en { margin-top: 7px; font: 1rem/1.5 var(--font-en); color: var(--ink); }
.talk-head .crumb { margin-top: 11px; font-size: .78rem; color: var(--ink-soft); }
.talk-head .crumb a { color: var(--accent); text-decoration: none; }
.epi { margin: 26px 0 30px; padding: 16px 22px; background: var(--accent-soft);
       border-left: 3px solid var(--accent); }
.epi .tc { font-size: 1.02rem; }
.epi .en { margin-top: 6px; font: .92rem/1.6 var(--font-en); color: var(--ink); }

.talk-head .en[data-script="cn"], .epi .en[data-script="cn"] { font-family: var(--font-body); }

.para-col[data-script="en"] { color: var(--ink); }
.para-col[data-script="cn"] { text-align: justify; }
.sent-span { white-space: pre-line; }
.talk-date { margin-top: 22px; text-align: right; font-size: .82rem;
             color: var(--ink-soft); }

.talk-date div { white-space: pre-line; }
.talk-date .en { font: .78rem/1.6 var(--font-en); }
.talk-nav { display: flex; gap: 10px; align-items: center; margin-top: 26px;
            padding-top: 16px; border-top: 1px solid var(--line); }
.talk-nav .gap { flex: 1; }
.talk-src { margin-top: 18px; font-size: .74rem; color: var(--ink-soft); }
.talk-src a { color: var(--accent); }
@media (max-width: 760px) { .paragraph-row { gap: 12px; } }