:root{--ink:#233953;--muted:#61738b;--paper:#f2f7fd;--surface:#ffffff;--line:#dce6f2;--green:#2865ad;--mint:#e4effd;--gold:#4f6b91}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:15px/1.6 "Segoe UI","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:var(--green)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #3079c5;outline-offset:3px}.layout{display:grid;grid-template-columns:224px minmax(0,1fr);min-height:100vh}aside{position:sticky;top:0;height:100vh;padding:34px 22px;background:#e5effc;color:#1d426c;display:flex;flex-direction:column}.mark{width:42px;height:42px;border:1px solid #9bb8d9;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;font:22px Georgia,serif}.brand{font-size:22px;letter-spacing:.04em;margin:0}.side-caption{color:#526f90;font-size:12px;margin:6px 0 28px}.nav-title{font-size:11px;letter-spacing:.15em;color:#567294;margin:22px 0 10px}nav{display:flex;flex-direction:column;gap:4px}.nav{border:0;background:transparent;color:#244b77;text-align:left;border-radius:8px;padding:9px 12px;display:flex;justify-content:space-between}.nav:hover{background:#d5e6fa}.nav.active{background:#ffffff;color:#195297}.nav small{opacity:.7}.side-foot{margin-top:auto;padding-top:24px;color:#526f90;font-size:12px;line-height:1.8}.main{padding:32px 42px;max-width:1560px;width:100%;margin:auto}.topline{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px;letter-spacing:.02em}.hero{display:flex;align-items:end;justify-content:space-between;margin:30px 0 26px;gap:24px}.eyebrow{font-size:12px;color:var(--gold);letter-spacing:.15em}.hero h1{font-size:34px;line-height:1.25;font-weight:650;letter-spacing:.02em;margin:8px 0 12px}.hero p{color:var(--muted);margin:0}.stats{display:flex;gap:24px;flex-shrink:0}.stats b{display:block;font-size:26px;font-weight:600}.stats span{font-size:12px;color:var(--muted)}.searchline{display:flex;gap:12px;margin-bottom:20px}.searchbox{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 15px;flex:1}.searchbox input{width:100%;border:0;background:transparent;outline:none;color:var(--ink)}.searchbox kbd{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:0 6px;border-radius:4px}.clear{border:0;background:transparent;color:var(--muted)}select{border:1px solid var(--line);border-radius:9px;padding:8px 12px;color:var(--ink);background:var(--surface);max-width:190px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:14px}.tabs{display:flex;gap:6px;flex-wrap:wrap}.tab{border:0;background:transparent;padding:8px 13px;color:var(--muted);border-radius:7px}.tab.active{background:var(--mint);color:var(--green);font-weight:600}.resulthead{display:flex;justify-content:space-between;align-items:center;margin:20px 0 16px}.resulthead h2{font-size:17px;margin:0}.resulthead p{font-size:12px;color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:17px}.book{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:17px;display:flex;flex-direction:column;min-height:250px}.booktop{display:flex;gap:16px;min-height:143px}.cover{width:92px;height:130px;object-fit:contain;background:#eef0e7;flex-shrink:0;border:1px solid #e3e5dd}.cover-fallback{display:grid;place-items:center;text-align:center;padding:8px;color:var(--green);font-size:14px}.bookinfo{min-width:0;flex:1}.tags{display:flex;gap:5px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-bottom:8px}.tags span{background:#f0f1e9;padding:2px 6px;border-radius:4px}.book h3{font-size:16px;line-height:1.55;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.bookmeta{font-size:12px;color:var(--muted);margin-top:9px}.notes{color:#88632d;font-size:11px;min-height:20px;margin:7px 0}.actions{display:flex;align-items:center;gap:8px;margin-top:auto}.primary,.secondary{display:inline-block;border-radius:7px;text-decoration:none;padding:7px 12px;font-size:13px}.primary{border:1px solid var(--green);background:var(--green);color:white}.secondary{border:1px solid var(--line);background:transparent;color:var(--ink)}.favorite{margin-left:auto;border:0;background:transparent;color:var(--muted);font-size:20px;line-height:1;padding:8px}.favorite.on{color:var(--gold)}.empty{padding:60px 20px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:12px}.footer{margin-top:30px;border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:12px}.footer p{margin:5px 0}.detail{border:1px solid var(--line);border-radius:14px;padding:0;max-width:880px;width:calc(100% - 32px);height:84vh;background:var(--paper);color:var(--ink)}.detail::backdrop{background:#102a24b3}.detail-head{padding:22px 26px 16px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1}.detail-head h2{font-size:22px;margin:5px 40px 8px 0}.close{position:absolute;right:18px;top:17px;border:1px solid var(--line);border-radius:7px;background:transparent;font-size:20px;width:35px;height:35px}.detail-body{padding:16px 26px}.detail-filter{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:10px 0}.file{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}.filetype{width:43px;height:43px;display:grid;place-items:center;border:1px solid var(--line);background:var(--surface);border-radius:7px;font-size:10px;font-weight:650;flex-shrink:0}.filename{flex:1;min-width:0;overflow-wrap:anywhere}.filename strong{font-size:14px;font-weight:550}.filename small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.player{position:sticky;bottom:0;padding:14px 26px;background:var(--surface);border-top:1px solid var(--line)}.player audio{width:100%;height:36px}.player p{font-size:12px;margin:0 0 6px;color:var(--muted)}[hidden]{display:none!important}@media(max-width:1100px){.main{padding:24px}.hero{align-items:start;flex-direction:column;gap:20px}.stats b{font-size:22px}}@media(max-width:720px){.layout{display:block}aside{position:static;height:auto;padding:20px}.brand{font-size:20px}.mark,.side-caption,.side-foot,.nav-title{display:none}nav{flex-direction:row;overflow:auto;white-space:nowrap;margin-top:14px}.nav{gap:12px;padding:8px 12px}.main{padding:20px 16px}.hero{margin-top:22px}.hero h1{font-size:28px}.searchline{flex-wrap:wrap}.searchbox{min-width:100%}.searchline select{max-width:none;flex:1}.stats{gap:26px}.grid{grid-template-columns:1fr}.detail-body,.detail-head{padding-left:16px;padding-right:16px}.file{gap:10px}.filename strong{font-size:13px}.file .secondary{padding:6px 9px;white-space:nowrap}.topline{font-size:11px}}

.pending{padding:12px 16px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--muted);font-size:13px;margin:14px 0}.download{font-size:13px}.version{font-size:11px;color:var(--muted)}