.book-main{max-width:1060px;padding:48px 32px 100px;margin:auto}.book-hero{display:grid;grid-template-columns:minmax(230px,360px) 1fr;gap:50px;align-items:center;padding:22px 0 42px}.book-cover{margin:0;background:#fff;border:1px solid var(--line,#dce2d9);border-radius:12px;overflow:hidden}.book-cover img{display:block;width:100%;height:auto}.book-copy .eyebrow{font-size:12px;letter-spacing:.14em}.book-copy h1{font:400 clamp(32px,4.5vw,48px)/1.35 var(--serif,'Songti SC',serif);margin:15px 0}.book-subtitle{font-family:Georgia,serif;font-size:21px;line-height:1.5;font-style:italic;color:#657568}.book-intro{font-size:17px;line-height:1.9;margin:24px 0}.book-format{display:flex;gap:12px;color:#66746d;font-size:16px}.book-format span+span{border-left:1px solid #dce2d9;padding-left:12px}.book-download-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 23px;background:#183d35;color:#fff;border:1px solid #183d35;border-radius:8px;font-family:inherit;font-size:16px;font-weight:500;line-height:1.5;cursor:pointer;margin:8px 0}.book-download-button:disabled{opacity:.6;cursor:wait}.book-state{border-top:1px solid #dce2d9;border-bottom:1px solid #dce2d9;padding:20px 0;display:flex;align-items:center;gap:20px;justify-content:space-between}.book-state p{margin:0;font-size:16px;line-height:1.7}.book-quiet{border:0;background:transparent;padding:10px 0;color:#183d35;text-decoration:underline;text-underline-offset:5px;white-space:nowrap;font:inherit;cursor:pointer}.book-columns{display:grid;grid-template-columns:1.1fr 1fr;gap:55px;padding:32px 0}.book-columns h2,.book-footer h2{font:400 26px/1.5 var(--serif,'Songti SC',serif);margin:10px 0 20px}.book-columns p,.book-topics,.book-info{font-size:16px;line-height:1.9}.book-topics{padding-left:20px}.book-topics li{margin:12px 0;padding-left:4px}.book-info{margin:0}.book-info div{padding:9px 0;border-bottom:1px solid #e4e8e0}.book-info dt{color:#6f7b72;font-size:15px}.book-info dd{margin:3px 0;overflow-wrap:anywhere}.book-note{color:#6f7b72;font-size:15px;line-height:1.85}.book-source{color:#496450;font-size:15px;text-decoration:underline;text-underline-offset:4px}.book-footer{border-top:1px solid #dce2d9;padding:30px 0}.book-footer p{font-size:16px;line-height:1.8}.book-entry{display:flex;align-items:center;gap:22px;border:1px solid #dce2d9;border-radius:12px;background:#f3f5ef;padding:22px 25px;margin:28px 0;text-decoration:none}.book-entry img{width:78px;height:78px;object-fit:contain;background:#fff;border-radius:6px}.book-entry-copy{flex:1}.book-entry-copy strong{display:block;font-family:var(--serif,'Songti SC',serif);font-size:24px;font-weight:400}.book-entry-copy span{display:block;font-size:16px;color:#67756a;margin-top:4px}.book-entry-arrow{font-size:25px;color:#6c846f}.book-entry:hover{background:#edf1e6}.book-download-button:focus-visible,.book-quiet:focus-visible,.book-entry:focus-visible{outline:2px solid #987d50;outline-offset:4px}.book-admin{border-top:1px solid #dce2d9;margin:24px 0;padding:20px 0}.book-admin summary{font-size:18px;cursor:pointer}.book-admin form{display:grid;gap:18px;margin-top:22px}.book-admin label{display:grid;gap:8px;font-size:16px}.book-admin input,.book-admin textarea{width:100%;padding:12px;border:1px solid #c8d1c5;border-radius:6px;font-family:inherit;font-size:16px;line-height:1.6}.book-admin textarea{min-height:130px}.book-admin-stats{display:flex;flex-wrap:wrap;gap:14px;font-size:16px;line-height:1.8}.book-admin-actions{display:flex;flex-wrap:wrap;gap:10px}.book-admin-actions button{font:inherit;padding:10px 16px;border:1px solid #c8d1c5;border-radius:7px;background:#fff;color:#183d35;cursor:pointer}@media(max-width:700px){.book-main{padding:24px 20px 100px}.book-hero{grid-template-columns:1fr;gap:22px;padding:8px 0 30px}.book-cover{max-width:210px;width:100%;margin:auto}.book-copy h1{font-size:34px}.book-subtitle{font-size:19px}.book-intro{font-size:17px}.book-download-button{width:100%;font-size:17px}.book-state{align-items:flex-start;gap:14px}.book-state p{font-size:16px}.book-columns{grid-template-columns:1fr;gap:25px}.book-entry{padding:18px 15px;gap:14px}.book-entry-copy strong{font-size:22px}.book-entry-copy span{font-size:16px}.book-entry img{width:58px;height:58px}}