:root{color-scheme:light;--paper:#f7f4ed;--ink:#1f362e;--muted:#6f796f;--green:#215b42;--line:#dbdfd4;font-family:ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,select,a{-webkit-tap-highlight-color:transparent}button,select{font:inherit;color:inherit}button,select{min-height:44px;border:1px solid var(--line);border-radius:12px;background:#fffdf8;padding:10px 16px}button,a,select{cursor:pointer}button:hover{background:#e9eee3}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #d39135;outline-offset:3px}header{max-width:1200px;margin:auto;padding:30px 36px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{text-decoration:none;color:var(--green);font:700 30px Georgia,serif;letter-spacing:-1.5px}.brand span{display:block;font:11px system-ui;letter-spacing:1.6px;margin-top:8px;color:var(--muted)}.badge,.eyebrow{font-size:10px;letter-spacing:2.8px;font-weight:700}.badge{border:1px solid var(--line);padding:9px 12px;border-radius:30px}main{max-width:1100px;margin:auto;padding:45px 36px 70px}.intro{margin:5px 0 48px}.eyebrow{color:#9a6f3b}h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(32px,5.5vw,62px);line-height:1.35;font-weight:500;letter-spacing:1px;margin:18px 0}p{color:var(--muted);line-height:1.8}.shelf{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:42px;max-width:1000px}.book{display:block;width:100%;text-align:left;border:0;background:none;padding:0;border-radius:14px}.book:hover{background:none;transform:translateY(-3px)}.book-cover{aspect-ratio:3/4;max-height:470px;background:#e2e7d9;border-radius:8px 18px 18px 8px;box-shadow:7px 12px 23px #1f362e1f;overflow:hidden;display:grid;place-items:center}.book-cover img{width:100%;height:100%;object-fit:contain}.book-cover span{font:30px Georgia,"Songti SC",serif;line-height:1.5;padding:30px}.book h2{font:500 24px Georgia,"Songti SC",serif;margin:24px 0 8px}.book p{font-size:13px;margin:0}.back{border:0;background:none;padding-left:0}.choices{display:flex;gap:24px;flex-wrap:wrap;margin:24px 0 36px}label{font-size:13px;display:flex;align-items:center;gap:10px}select{min-width:84px}.chapter{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;border:0;border-top:1px solid var(--line);border-radius:0;padding:22px 5px;background:none}.chapter small{display:block;color:var(--muted);margin-bottom:6px;font-size:10px;letter-spacing:1.5px}.chapter strong{font-family:Georgia,"Songti SC",serif;font-weight:500;font-size:21px}.reader-nav{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-bottom:25px}.reader-nav span{font-size:13px;color:var(--muted)}article{max-width:760px;margin:auto;background:#fffdf8;border-radius:20px;overflow:hidden;box-shadow:0 9px 35px #203e2c08}.illustration{display:grid;place-items:center;background:#e8ecdf}.illustration img{width:100%;height:auto;display:block}.illustration img[hidden]{display:none}#image-status:not(:empty){padding:70px 20px}#paragraph{padding:25px 30px;font:21px/1.95 Georgia,serif}#paragraph button{font:inherit;display:inline;border:0;border-radius:4px;padding:0 3px;min-height:0;background:transparent;text-align:left;white-space:normal}#paragraph button.active{background:#e2ead7}#paragraph .word-active{background:#f2dba9;border-radius:3px}.player{max-width:760px;margin:24px auto;text-align:center}.position{display:flex;align-items:center;justify-content:center;gap:28px;font-size:13px}.position button{border:0;background:none;font-size:22px}.playback{display:flex;align-items:center;justify-content:center;gap:26px;margin:18px 0}.primary{background:var(--green);color:#fff;min-width:160px;border:0}.primary:hover{background:#174731}.hint{font-size:11px;color:var(--muted)}#sentence-status,#status{font-size:14px;line-height:1.6;color:#8b4b32;margin:16px 0}#status:empty{display:none}footer{text-align:center;font-size:9px;letter-spacing:2.4px;color:#91988b;padding:26px;border-top:1px solid var(--line)}dialog{max-width:550px;width:90%;border:1px solid var(--line);border-radius:20px;padding:28px;background:var(--paper)}dialog p{white-space:pre-wrap}dialog::backdrop{background:#15352466}[hidden]{display:none!important}@media(max-width:600px){header{padding:22px}.badge{display:none}main{padding:28px 18px 45px}.intro{margin-bottom:30px}.shelf{gap:30px;grid-template-columns:1fr 1fr}.book-cover{min-height:190px}.book-cover span{padding:15px;font-size:22px}.book h2{font-size:19px;margin-top:16px}.book p{font-size:11px}.reader-nav{flex-wrap:wrap;gap:5px}.reader-nav span{order:3;width:100%;text-align:center}#paragraph{padding:18px;font-size:19px}.choices{gap:14px}}