.books-shell{max-width:1180px;padding:0 48px;margin:auto}.books-intro{text-align:center;padding:34px 0 62px}.books-intro h1{font-size:clamp(56px,6vw,78px);margin:23px 0 25px;line-height:1.07}.books-intro p{font-size:17px;line-height:1.8;color:var(--muted);margin:auto}.book-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:center;padding:60px 0 70px;border-top:1px solid var(--line)}.cover-stage{display:flex;align-items:center;justify-content:center;padding:42px;background:#e9ede5;min-height:490px;text-decoration:none}.cover-1{background:#ece7dd}.cover-stage img{display:block;width:auto;max-width:100%;height:370px;object-fit:contain;filter:drop-shadow(8px 15px 14px #17251b2b);transition:transform .25s}.cover-stage:hover img{transform:translateY(-5px)}.feature-copy h2{font:normal 44px/1.12 Georgia,serif;letter-spacing:-1px;margin:20px 0 24px}.feature-copy p{font-size:17px;color:var(--muted);line-height:1.85}.feature-copy .book-subtitle{margin-top:-12px;font:italic 22px/1.4 Georgia,serif;color:var(--accent)}.feature-copy .book-note{font-size:13px;margin-top:22px;color:#798175}.book-actions{display:flex;align-items:center;flex-wrap:wrap;gap:17px 25px;margin-top:30px}.book-actions a,.book-primary{min-height:46px;display:inline-flex;align-items:center;justify-content:center;font:14px/1.4 Arial,sans-serif;text-decoration:none}.book-primary{padding:15px 26px;background:var(--ink);border:1px solid var(--ink);color:#fff}.book-primary:hover{background:#42604d}.book-secondary{border-bottom:1px solid #7b8777;color:var(--ink)}.book-secondary:hover{color:#88704c}.book-feature:last-child{margin-bottom:45px}.book-detail-hero{display:grid;grid-template-columns:330px 1fr;gap:90px;align-items:center;padding:35px 0 70px}.detail-cover{background:#eaece4;padding:35px}.detail-cover img{width:100%;height:auto;display:block;filter:drop-shadow(6px 10px 10px #17251b2b)}.book-detail-hero h1{font-size:clamp(42px,4.6vw,61px);line-height:1.1;letter-spacing:-1.5px;margin:22px 0}.book-detail-hero p{color:var(--muted);font-size:17px;line-height:1.85}.book-detail-hero .detail-author{font-size:13px;color:var(--accent);margin-bottom:20px}.book-reading{border-top:1px solid var(--line);padding:60px 0;display:grid;grid-template-columns:250px 1fr;gap:90px;scroll-margin-top:30px}.reading-label h2{font:normal 34px/1.2 Georgia,serif;margin:18px 0}.book-description{min-width:0}.book-description p,.book-description li{font-size:16px;line-height:1.9;color:var(--muted);margin:0 0 22px}.book-description strong{color:var(--ink);font-weight:600}.book-description h2,.book-description h3{font:normal 28px/1.3 Georgia,serif;margin:35px 0 20px}.book-description ul{padding-left:22px}.book-description img{max-width:100%;height:auto}.book-description blockquote{border-left:2px solid #b8a384;margin:28px 0;padding:10px 0 10px 24px}.book-description a{text-underline-offset:4px}.detail-bottom{border-top:1px solid var(--line);padding:35px 0 65px;display:flex;align-items:center;justify-content:center;gap:28px;font-size:14px}.detail-bottom>a:last-child{text-underline-offset:5px}@media(min-width:900px){.reading-label{position:sticky;top:40px;align-self:start}}@media(max-width:900px){.book-feature{gap:45px}.cover-stage{padding:28px;min-height:410px}.cover-stage img{height:320px}.feature-copy h2{font-size:37px}.book-detail-hero{grid-template-columns:260px 1fr;gap:40px}.book-reading{grid-template-columns:190px 1fr;gap:45px}}@media(max-width:650px){.books-shell{padding:0 24px}.books-intro{padding:24px 0 42px}.books-intro h1{font-size:56px}.books-intro p{font-size:16px}.books-intro p br{display:none}.book-feature{grid-template-columns:1fr;padding:36px 0 42px;gap:30px}.cover-stage{min-height:390px;padding:35px}.cover-stage img{height:325px}.feature-copy h2{font-size:38px}.feature-copy p{font-size:16px}.book-actions{gap:20px}.book-detail-hero{grid-template-columns:1fr;padding-top:20px;gap:30px}.detail-cover{max-width:290px;margin:auto;padding:30px}.book-detail-hero h1{font-size:45px}.book-reading{display:block;padding:40px 0}.reading-label{margin-bottom:30px}.detail-bottom{flex-direction:column;gap:20px}.book-feature:last-child{margin-bottom:10px}}@media(prefers-reduced-motion:reduce){.cover-stage img{transition:none}.cover-stage:hover img{transform:none}}