:root{--accent:#167d63;--ink:#172923;--muted:#76867f;--bg:#f3f6f5;--line:#dce5e0}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.7 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}header{height:86px;padding:0 5%;display:flex;align-items:center;gap:64px;background:white;border-bottom:1px solid var(--line)}a{color:var(--accent)}.brand{text-decoration:none;font-size:32px;font-weight:750;letter-spacing:-1px}.brand span{font-size:16px;color:var(--ink);font-weight:500;letter-spacing:0}nav{display:flex;gap:32px}nav button{background:none;border:0;border-radius:0;height:86px}.muted{color:var(--muted);font-size:13px}#status{margin-left:auto}button,.button{font-family:inherit;font-size:14px;line-height:1.5;font-weight:500;padding:10px 16px;border:1px solid var(--line);background:white;border-radius:7px;cursor:pointer;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px}button:hover,.button:hover{border-color:var(--accent);color:var(--accent)}button:disabled{opacity:.4;cursor:default}.primary{background:var(--accent);color:white;border-color:var(--accent)}.primary:hover{color:white;filter:brightness(.95)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #7dd9bc;outline-offset:3px}main{max-width:1500px;margin:auto;padding:32px 5%}.reader{display:grid;grid-template-columns:235px minmax(0,1fr);gap:35px}.sidebar{background:#fff;border-radius:12px;padding:24px 14px;align-self:start}.sidebar h3{margin:0 10px 22px;font-size:17px}.sidebar button{display:flex;width:100%;border:0;background:transparent;justify-content:space-between;text-align:left;padding:14px 12px}.sidebar button.active{background:#edf6f2;color:var(--accent);border-left:3px solid var(--accent);border-radius:0}.sidebar input{width:100%;margin-bottom:14px}.canvas{overflow:auto;padding:3px 6px 20px;min-height:430px}.spread{display:grid;grid-template-columns:1fr 1fr;min-height:580px;background:white;box-shadow:0 8px 25px #18392c15;border:1px solid var(--line);transform-origin:top left;transition:opacity .2s}.copy{padding:65px 48px 40px;display:flex;flex-direction:column;border-right:1px solid var(--line)}.copy h1{font-size:38px;line-height:1.3;letter-spacing:-1px;margin:36px 0 24px;white-space:pre-line}.rule{width:40px;height:3px;background:var(--accent);margin:0 0 24px}.copy p{white-space:pre-wrap;font-size:16px;color:#51645b}.folio{margin-top:auto;font-size:11px;letter-spacing:3px;color:#88978f;padding-top:50px}.visual{position:relative;min-width:0;background:#eaf0ed;display:flex;align-items:center;justify-content:center}.visual img{width:100%;height:100%;max-height:680px;object-fit:cover}.empty{padding:40px;color:var(--muted);text-align:center}.pdfcanvas{display:block;width:100%;height:auto;background:#fff}.pdfwrap{position:relative;max-width:850px;margin:auto}.hotspot{position:absolute;z-index:2;border:4px solid white;background:var(--accent);color:white;border-radius:50%;width:35px;height:35px;padding:0;box-shadow:0 0 0 5px #167d632e}.toolbar{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;background:white;border-radius:12px;padding:15px;margin-top:4px}.toolbar span{padding:0 8px}.titlebar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}.titlebar h1{font-size:30px;margin:0}.library{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:24px}.booktile{background:white;border-radius:12px;overflow:hidden;border:1px solid var(--line)}.booktile img{width:100%;height:230px;object-fit:cover}.booktile section{padding:22px}.booktile h2{font-size:20px;margin:0 0 10px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:26px;margin-bottom:20px}.row{display:flex;gap:14px;align-items:center;flex-wrap:wrap}h2{font-size:21px}label{display:block;margin:13px 0;color:#4a5e54;font-size:14px}input,textarea,select{display:block;width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:6px;font-family:inherit;font-size:14px;line-height:1.6;background:white;color:var(--ink)}textarea{min-height:110px}input[type=color]{height:45px;width:80px}input[type=checkbox]{display:inline;width:auto}.grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.editor{display:grid;grid-template-columns:210px minmax(0,1fr);gap:22px}.editor .sidebar{position:sticky;top:15px}.editor .sidebar button{font-size:13px}.help{font-size:13px;color:var(--muted)}.metrics{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:24px}.metric{flex:1;min-width:130px;background:white;padding:22px;border:1px solid var(--line);border-radius:10px}.metric strong{display:block;font-size:32px;color:var(--accent)}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line);word-break:break-word}.tablewrap{overflow:auto}dialog{border:0;border-radius:14px;max-width:620px;width:calc(100% - 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