:root{--ink:#2c4337;--muted:#89917e;--border:#dce0d3;--caption-bg:hsla(152,25%,18%,.8);--caption-ink:#fff;--font-scale:1;--line-height:1.9}*{box-sizing:border-box}body{margin:0;background:#f6f6ef;color:var(--ink);font-family:Arial,'Noto Sans TC',sans-serif}button,input,select{font:inherit}button{border:1px solid var(--border);border-radius:6px;background:transparent;color:inherit;padding:9px 13px;cursor:pointer}button:hover{background:#e7ebdf}button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid #8f7850;outline-offset:3px}[hidden]{display:none!important}.reader-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:24px;padding:18px 24px 12px;height:100vh;min-height:500px}.catalog{border-right:1px solid var(--border);padding-right:18px;display:flex;flex-direction:column;min-height:0}.catalog-book{padding:11px 0 23px;border-bottom:1px solid var(--border);margin-bottom:12px}.catalog-book button{border:0;padding:0;text-align:left;width:100%;background:transparent}.catalog h1{font:500 23px/1.65 'Songti TC',serif;letter-spacing:2px;margin:0;overflow-wrap:anywhere}.catalog p{font-size:11px;color:var(--muted);margin:10px 0 0;line-height:1.6}#chapters{overflow:auto;scrollbar-width:thin;flex:1}.chapter-item{display:flex;gap:9px;align-items:baseline;width:100%;border:0;border-left:2px solid transparent;text-align:left;padding:13px 9px;border-radius:0;margin:2px 0;font-size:12px;line-height:1.7}.chapter-item span{font:10px Georgia;color:#a0a68e;flex-shrink:0}.chapter-item.active{border-left-color:#526c4a;background:#e9eddf;color:#334e36}.workspace{min-width:0;display:flex;flex-direction:column;min-height:0}.toolbar{display:flex;align-items:center;gap:12px;margin:0 0 12px;font-size:11px;flex-shrink:0;min-height:36px}.toolbar button{font-size:11px;padding:8px 12px}.toolbar-right{margin-left:auto;display:flex;gap:9px}.ratio{display:flex;background:#e9eddf;border-radius:6px;padding:3px}.ratio button{border:0;padding:6px 13px}.ratio .active{background:#fff;box-shadow:0 1px 4px #1d351d10}.stage-wrap{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;border:1px solid #dde1d4;background:#e6e9de;border-radius:9px;padding:18px;overflow:hidden}.stage{position:relative;display:flex;flex-direction:column;color:#625137;border:1px solid #cbbb98;box-shadow:0 8px 22px #293b2320;container-type:inline-size;overflow:hidden;flex-shrink:0}.stage.wide{aspect-ratio:16/9}.stage.tall{aspect-ratio:9/16}.book{background:#ede2c9;background-image:radial-gradient(ellipse at 50% 30%,#fff9e688,transparent 75%),repeating-linear-gradient(1deg,#805e1b05 0 1px,transparent 1px 4px)}.scroll{background:linear-gradient(90deg,#ac854f,#ead5ae 3%,#f4e2bd 50%,#ead5ae 97%,#ac854f)}.lace{background:#f5efe2}.stage:before{content:'';position:absolute;inset:10px;border:1px solid #9d805a55;pointer-events:none;z-index:2}.stage.scroll:before{inset:10px 15px;border:0;border-top:5px solid #9d784a;border-bottom:5px solid #9d784a}.stage.lace:before{border:4px double #a9936b;border-radius:18px}.page-top{display:flex;justify-content:space-between;gap:16px;font:1.35cqw/1.6 'Songti TC',serif;color:#927d5c;letter-spacing:1px;margin:3% 5.5% 0;flex-shrink:0}.page-top span{max-width:49%;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.reading{position:relative;flex:1;min-height:0;margin:1% 7% 2.5%;overflow:auto;scrollbar-width:none;overscroll-behavior:contain;mask-image:linear-gradient(transparent,#000 5%,#000 94%,transparent);font-family:'Songti TC','Noto Serif TC','SimSun',serif;font-size:calc(2.55cqw * var(--font-scale));line-height:var(--line-height)}.reading::-webkit-scrollbar{display:none}#textRows{position:relative;min-height:100%}.text-row{display:block;white-space:pre;line-height:var(--line-height);padding:0 8px;margin:0;border-radius:3px;opacity:.75;cursor:pointer;color:#64563e;min-height:1em;transition:color .12s,background .12s;outline-offset:-2px!important}.text-row.active{opacity:1;color:#82581f;background:#b08b4f21}.text-row:hover{opacity:1}.stage.tall .page-top{font-size:2.6cqw;margin:8% 8% 0;gap:10px}.stage.tall .reading{font-size:calc(4.7cqw * var(--font-scale));margin:3% 10% 6%}.subtitle{position:absolute;top:86%;left:50%;transform:translate(-50%,-50%);width:max-content;max-width:90%;padding:.55em 1.2em;border-radius:7px;background:var(--caption-bg);color:var(--caption-ink);font:1.8cqw/1.6 'Songti TC',serif;text-align:center;z-index:4;cursor:ns-resize;touch-action:none;user-select:none;box-shadow:0 3px 12px #201d1115}.subtitle.dragging{box-shadow:0 0 0 2px #b29663}.drag-hint{position:absolute;right:4px;top:50%;transform:translateY(-50%);font:11px Arial;opacity:0}.subtitle:hover .drag-hint,.subtitle:focus .drag-hint{opacity:.8}.stage.tall .subtitle{font-size:3.8cqw;max-width:90%;padding:.5em 1em}.player{flex-shrink:0;padding-top:15px}input[type=range]{accent-color:#496643;cursor:pointer}#seek{width:100%;height:3px;display:block;margin:0}.player-row{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:10px;font-size:10px}.transport{display:flex;align-items:center;gap:12px}.transport button,.player-options button{border:0;font-size:11px}.transport .play{width:43px;height:43px;border-radius:50%;background:#35543e;color:#fff;font-size:14px}.player-options{display:flex;gap:4px;align-items:center}.player-options select{border:0;background:transparent;color:#69805f;padding:5px;font-size:11px}#status{font-size:9px;color:#8c967f;margin:6px 0 0;text-align:right;min-height:12px}.screen-controls{display:none;position:absolute;bottom:2%;left:50%;transform:translateX(-50%);gap:5px;background:#fbf5e9e8;border-radius:30px;padding:4px;z-index:5;opacity:0;transition:opacity .2s}.screen-controls button{border:0;font-size:13px;padding:5px 12px}#exit{display:none;position:absolute;right:15px;top:12px;z-index:5;background:#f9f1e5dd;padding:6px 11px;opacity:0}.stage:fullscreen{margin:auto}.stage:fullscreen::backdrop{background:#19221b}.stage:fullscreen .screen-controls,.stage:fullscreen #exit,.presentation .screen-controls,.presentation #exit{display:flex}.stage:fullscreen:hover .screen-controls,.stage:fullscreen:focus-within .screen-controls,.stage:fullscreen:hover #exit,.stage:fullscreen:focus-within #exit,.presentation .stage:hover .screen-controls,.presentation .stage:hover #exit{opacity:1}.presentation .stage-wrap{position:fixed;inset:0;border:0;border-radius:0;padding:0;background:#19221b;z-index:100}.presentation .stage{z-index:101}dialog{border:1px solid #d2d9c7;border-radius:12px;color:var(--ink);background:#fafaf2;padding:24px;width:min(410px,calc(100vw - 24px));max-height:88vh;overflow:auto;box-shadow:0 20px 80px #20302130}dialog::backdrop{background:transparent;backdrop-filter:none}.dialog-heading{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:15px}.dialog-heading h2{font:22px serif;margin:0}.dialog-heading button{border:0;padding:4px}section{margin-top:23px}section h3{font-size:12px;font-weight:500;margin-bottom:14px}.templates{display:flex;gap:10px}.templates button{flex:1;font-size:11px;padding:6px;border:1px solid transparent}.templates .active{border-color:#78916c;background:#edf1e5}.swatch{display:grid;place-items:center;font:22px serif;height:52px;border:1px solid #cebd9a;margin-bottom:8px;border-radius:3px}.setting{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;margin:17px 0;color:#65775c}.setting input[type=range]{width:135px;margin-left:auto}.setting output{font-size:10px;min-width:32px;text-align:right;color:#8f997f}.setting input[type=checkbox]{accent-color:#496643;width:18px;height:18px}.setting input[type=color]{width:46px;height:28px;border:1px solid var(--border);padding:2px;background:#fff}.setting input[type=number]{width:80px;border:1px solid var(--border);border-radius:4px;padding:7px;background:#fff}.hint{font-size:10px;line-height:1.9;color:#8b977d}#recenter{font-size:11px}#audio{display:none}
@media(max-width:1000px){.reader-layout{grid-template-columns:155px minmax(0,1fr);padding:12px;gap:15px}.catalog{padding-right:12px}.catalog h1{font-size:20px}.chapter-item{font-size:11px}.stage-wrap{padding:12px}.toolbar{gap:6px}.toolbar-right{gap:5px}.toolbar button{padding:8px 9px}}@media(max-width:650px){.reader-layout{grid-template-columns:112px minmax(0,1fr);gap:8px;padding:8px;min-height:480px}.catalog{padding-right:7px}.catalog-book{padding-top:4px;padding-bottom:16px}.catalog h1{font-size:18px;letter-spacing:1px}.catalog p{font-size:9px}.chapter-item{display:block;padding:10px 6px;font-size:10px}.chapter-item span{margin-right:6px}.toolbar{flex-wrap:wrap;gap:5px;margin-bottom:7px}.toolbar-right{width:100%;justify-content:flex-end}.toolbar button{font-size:10px;padding:7px 8px}.ratio button{padding:5px 11px}.stage-wrap{padding:6px}.player-row{flex-wrap:wrap;gap:5px;font-size:9px}.transport{gap:0}.transport button{font-size:9px;padding:7px}.transport .play{width:35px;height:35px}.player-options{margin-left:auto}.player-options select{font-size:10px}.player-options button{padding:5px}.player-row>span{min-width:70px}.screen-controls,#exit{opacity:1!important}.stage.tall .reading{font-size:calc(5.2cqw * var(--font-scale));margin-left:8%;margin-right:8%}#status{font-size:8px;line-height:1.5}}

#catalogToggle{display:none}@media(max-width:650px){.reader-layout{grid-template-columns:minmax(0,1fr)}.catalog{display:none}.catalog-open .catalog{display:flex;position:absolute;left:8px;top:55px;bottom:115px;width:185px;background:#f7f8ef;box-shadow:6px 8px 24px #293c2525;z-index:20;padding:18px;border:1px solid #d3dcc5;border-radius:8px}#catalogToggle{display:block}.toolbar-right{width:auto}.toolbar{flex-wrap:wrap}.stage.tall .reading{font-size:calc(5cqw * var(--font-scale))}}

.stage{isolation:isolate;background:transparent}.stage::after{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none}.stage.book::after{background:#ede2c9;background-image:radial-gradient(ellipse at 50% 30%,#fff9e688,transparent 75%),repeating-linear-gradient(1deg,#805e1b05 0 1px,transparent 1px 4px);filter:saturate(var(--book-saturation,1))}.stage.scroll::after{background:linear-gradient(90deg,#ac854f,#ead5ae 3%,#f4e2bd 50%,#ead5ae 97%,#ac854f);filter:saturate(var(--scroll-saturation,1))}.stage.lace::after{background:#f5efe2;filter:saturate(var(--lace-saturation,1))}.subtitle{font-size:calc(1.8cqw * var(--caption-font-scale,1))}.stage.tall .subtitle{font-size:calc(3.8cqw * var(--caption-font-scale,1))}.text-row{height:calc(1em * var(--line-height));overflow:hidden}.text-row.heading-row{font-weight:600;text-align:center;letter-spacing:.07em;opacity:.9;color:#6f5a37}.text-row.heading-1{font-size:1.08em;height:calc(1em / 1.08 * var(--line-height));line-height:calc(var(--line-height) / 1.08)}.text-row.blank-row{cursor:default}.text-row.active{background:#b08b4f24;opacity:1}.text-row.current{color:#80551c}.setting select{background:#fffef8;border:1px solid var(--border);padding:6px;border-radius:4px;color:var(--ink)}

#settings{position:fixed;inset:auto;left:16px;top:64px;margin:0;width:min(300px,calc(100vw - 24px));max-height:calc(100dvh - 80px);padding:12px;font-size:12px;z-index:100;box-shadow:0 6px 24px #20302125}#settings .dialog-heading{padding-bottom:8px;cursor:move;touch-action:none;user-select:none}#settings h2{font-size:16px}#settings h3{font-size:13px;margin:10px 0 7px}#settings section{margin-top:10px}#settings .setting{font-size:12px;margin:8px 0;gap:6px}#settings button{font-size:11px;padding:6px 8px}#settings .hint{font-size:10px;line-height:1.5;margin:6px 0}#settings .swatch{height:30px;font-size:17px}#subtitleText{white-space:pre-line}

.volume-control{display:flex;align-items:center;gap:5px;font-size:11px}.volume-control input{width:70px}.volume-control output{min-width:32px}.player-options{flex-wrap:wrap}@media(max-width:600px){.volume-control input{width:50px}.player-row{flex-wrap:wrap;gap:8px}}

.waveform-wrap{position:absolute;left:10%;right:10%;bottom:13px;height:60px;pointer-events:none;opacity:.55;color:inherit}#waveform{width:100%;height:100%;display:block}.reading{margin-bottom:66px}

.caption-settings{margin-top:14px;border-top:1px solid var(--border);padding-top:10px}.caption-settings summary{font-size:13px;font-weight:600;cursor:pointer}