.book-preview-page{background:#f5f8fc;color:#15314c;min-height:70vh;padding:28px max(20px,calc((100vw - 1250px)/2)) 78px}.book-preview-page h1{font-size:clamp(29px,3.5vw,45px);line-height:1.14;letter-spacing:-1px;margin:9px 0 12px;color:#08294b}.book-preview-breadcrumb{font-size:13px;color:#597083;display:flex;gap:11px;margin-bottom:27px}.book-preview-breadcrumb a{color:#125c86;text-decoration:none}.book-preview-heading{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:19px}.book-preview-heading p{max-width:750px;color:#556a7a;line-height:1.55;font-size:16px}.book-preview-eyebrow{color:#148562;font-size:12px;font-weight:850;letter-spacing:2px}.book-preview-buyer{border:1px solid #d8e5ee;background:white;border-radius:14px;padding:17px 21px;text-align:center;flex-shrink:0}.book-preview-buyer strong{font-size:23px;display:block}.book-preview-buyer small{font-size:12px;display:block;color:#607789;margin:2px 0 10px}.book-preview-purchase{display:inline-block;background:#078539;color:white!important;padding:12px 19px;text-decoration:none!important;border-radius:9px;font-weight:800;text-align:center;font-size:14px;box-shadow:0 5px 16px #11604023}.book-preview-purchase:hover{background:#066b32}.book-preview-notice{background:#e7f2ec;border:1px solid #b5d9c6;border-left:5px solid #118f59;border-radius:10px;padding:14px 18px;display:flex;align-items:flex-start;gap:12px;margin-bottom:25px}.book-preview-notice p{margin:0;font-size:14px;line-height:1.5;color:#234b40}.book-preview-main{display:grid;grid-template-columns:235px minmax(0,1fr);gap:25px;align-items:start}.book-preview-sidebar{background:white;border:1px solid #e0e8ee;border-radius:14px;padding:15px;position:sticky;top:22px}.book-preview-sidebar>span{font-size:11px;letter-spacing:1.5px;color:#5d7180;font-weight:850;display:block;margin:5px 5px 15px}.book-preview-guide{padding:10px 8px;display:flex;gap:12px;align-items:center;text-decoration:none!important;color:#173d59!important;border-radius:10px;margin-bottom:5px;border:1px solid transparent;font-weight:750;font-size:13px;line-height:1.4}.book-preview-guide.active{background:#ebf5f1;border-color:#a7d5c2}.book-preview-guide img{width:43px;height:64px;object-fit:cover;border-radius:3px;box-shadow:0 3px 8px #0002}.book-preview-guide small{display:block;font-size:11px;font-weight:400;color:#607489;margin-top:5px}.book-preview-side-tip{border-top:1px solid #e2ebf0;margin-top:18px;padding:19px 5px 4px}.book-preview-side-tip p{font-size:12px;color:#607489;line-height:1.6;margin:6px 0}.book-preview-side-tip a{color:#067849;font-weight:800;font-size:12px}.book-preview-reader{background:white;border:1px solid #d8e3ec;border-radius:16px;padding:18px 20px 23px;min-width:0;box-shadow:0 15px 42px #17334a0b}.book-preview-toolbar{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #e7eef3;padding-bottom:15px;margin-bottom:20px;font-size:13px;color:#5e7080}.book-preview-toolbar div{font-weight:800;letter-spacing:1.5px;font-size:12px;color:#16774d}.book-preview-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#159d62;margin-right:7px}.book-preview-canvas{display:flex;justify-content:center;align-items:flex-start;min-height:400px;padding:10px 10px 25px;background:linear-gradient(145deg,#e9edf3,#f9fbfd);border-radius:11px}.book-page-image{width:auto;max-width:100%;max-height:1050px;aspect-ratio:612/792;object-fit:contain;height:auto;background:white;box-shadow:0 8px 30px #1e37532b;border:1px solid #d3dce5;-webkit-user-select:none;user-select:none}.book-preview-pagination{display:flex;align-items:center;justify-content:center;gap:9px;margin:21px auto 15px;flex-wrap:wrap}.book-preview-pagination button{font-size:13px;border:1px solid #cddce7;background:#fff;padding:10px 14px;border-radius:8px;font-weight:700;color:#144566;cursor:pointer}.book-preview-pagination button:not(:disabled):hover{background:#e9f5ee;border-color:#56ad88}.book-preview-pagination button:disabled{opacity:.35;cursor:not-allowed}.book-preview-number{display:inline-flex;align-items:center;gap:9px;padding:0 4px;font-size:13px;font-weight:700;color:#475e72}.book-preview-number input{width:60px;padding:8px;font-size:13px;border:1px solid #c5d3df;border-radius:6px;text-align:center;color:#173d5a}.book-preview-scrubber{display:flex;align-items:center;gap:18px;font-size:12px;color:#607184;justify-content:center;max-width:630px;margin:16px auto}.book-preview-scrubber input{flex:1 1;accent-color:#078e4a}.book-preview-mini{display:flex;gap:9px;justify-content:center;align-items:start;flex-wrap:wrap;margin:14px auto 25px}.book-preview-mini button{padding:6px 6px 4px;border:2px solid transparent;border-radius:7px;cursor:pointer;background:transparent;color:#546e7a;font-size:12px}.book-preview-mini button.selected{border-color:#11935b;background:#e9f6ee;color:#07653c}.book-preview-mini img{display:block;width:55px;height:72px;object-fit:cover;border:1px solid #d9e2e9;margin-bottom:5px}.book-preview-end{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:24px;background:#f0f7f2;border:1px solid #d7e8dd;border-radius:10px}.book-preview-end p{font-size:14px;line-height:1.6;color:#345268;margin:0}.book-preview-disclaimer{font-size:12px;color:#718492;line-height:1.5;margin-top:18px;text-align:center}.book-preview-not-found{min-height:50vh;padding:100px 12vw}.book-preview-cover-link{display:block;position:relative;text-decoration:none!important;cursor:zoom-in}.book-preview-cover-link img{transition:transform .18s ease}.book-preview-cover-link:hover img{transform:scale(1.018)}.book-preview-cover-link:focus-visible{outline:3px solid #27b36d;outline-offset:5px}.book-preview-cover-cta{position:absolute;bottom:9px;left:50%;transform:translateX(-50%);display:block;white-space:nowrap;padding:7px 12px;border-radius:60px;background:#073a6a;color:white;font-size:12px;font-weight:800;box-shadow:0 2px 10px #0005}.book-preview-cover-link:hover .book-preview-cover-cta{background:#007944}@media(max-width:880px){.book-preview-main{grid-template-columns:1fr}.book-preview-sidebar{position:static;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.book-preview-sidebar>span{width:100%;margin:0}.book-preview-guide{flex:1 1;min-width:140px;margin:0}.book-preview-side-tip{display:none}.book-preview-heading{align-items:flex-start;flex-direction:column}.book-preview-buyer{display:flex;gap:16px;align-items:center;width:100%;justify-content:space-between}.book-preview-buyer small{display:none}.book-preview-buyer strong{font-size:16px}}@media(max-width:580px){.book-preview-page{padding:22px 12px 55px}.book-preview-heading h1{font-size:28px}.book-preview-reader{padding:12px 10px}.book-preview-canvas{padding:8px 5px 16px;min-height:220px}.book-preview-pagination{gap:6px}.book-preview-pagination button{padding:9px}.book-preview-end{flex-direction:column;text-align:center}.book-preview-buyer{flex-wrap:wrap}.book-preview-guide{min-width:115px;font-size:11px}.book-preview-guide img{width:36px;height:54px}.book-preview-notice p{font-size:12px}}