.book-jump-v473{display:flex;flex-wrap:wrap;gap:10px;max-width:1120px;margin:0 auto;padding:20px 24px;border-bottom:1px solid #405269}
.book-jump-v473 a,.book-topic-links-v473 a{display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;color:#f1d597;border:1px solid #526477;border-radius:8px;text-decoration:none;font-size:.95rem;line-height:1.5}
.book-jump-v473 a:hover,.book-topic-links-v473 a:hover{background:#192b3c;border-color:#d9ba77}
.retailer-grid-v473{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;scroll-margin-top:110px}
.retailer-grid-v473 .book-isbn-card{min-width:0;display:flex;flex-direction:column;border:1px solid #596776;border-radius:12px;background:linear-gradient(145deg,#132335,#0b1625);padding:26px;overflow-wrap:anywhere}
.retailer-grid-v473 .book-isbn-card h3{font-size:1.5rem;line-height:1.3;color:#f8f2e5;margin:8px 0 16px}
.edition-language-v473{font-size:.8rem!important;letter-spacing:.06em;text-transform:uppercase;color:#dfc386!important;margin:0 0 6px}
.retailer-grid-v473 .book-isbn{font-size:1rem!important;line-height:1.7}
.retailer-grid-v473 .book-format-price{font-size:1.9rem;font-weight:700;color:#f1d597;margin:20px 0}
.retailer-links-v473{display:grid;gap:10px;margin-top:auto;padding-top:16px}
.retailer-buy-v473{display:flex;align-items:center;justify-content:center;min-height:48px;padding:12px 16px;border:1px solid #7d8b9a;border-radius:8px;color:#f6f0e4!important;font-weight:650;text-decoration:none;text-align:center;font-size:1rem;line-height:1.5}
.retailer-buy-v473.primary{background:#e0bd76;border-color:#e0bd76;color:#101a27!important}
.retailer-buy-v473:hover{border-color:#f0d597;background:#203348}
.retailer-buy-v473.primary:hover{background:#f0d597}
.retailer-note-v473{font-size:.95rem;line-height:1.8;color:#cbd5e1;max-width:86ch;margin:24px 0 0}
.book-topic-links-v473{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.book-faq-v473{padding:16px 0;border-bottom:1px solid #3f5266}
.book-faq-v473 summary{font-size:1.05rem;font-weight:650;color:#f5e6c7;padding:12px 0;min-height:44px;cursor:pointer;line-height:1.5}
.book-faq-v473 p{font-size:1rem;line-height:1.85;color:#d2dce7;max-width:80ch}
.book-buybar-v473{display:none}
.book-context-v473{max-width:1120px;margin:40px auto;padding:clamp(22px,4vw,38px);border:1px solid #596776;border-radius:12px;background:linear-gradient(135deg,#142437,#0a1523);color:#eff2f7;overflow-wrap:anywhere}
.book-context-v473>div{max-width:85ch}.book-context-v473 h2{font-size:clamp(1.35rem,2vw,1.9rem);line-height:1.35;margin:12px 0}.book-context-v473 p{font-size:1rem;line-height:1.8;color:#d4deea}
.book-context-v473 .book-context-kicker{font-size:.8rem;letter-spacing:.05em;color:#e4c88e;margin:0}
.book-context-v473 a{display:inline-block;min-height:44px;padding:12px 0;color:#efce89;font-weight:650;text-underline-offset:4px;line-height:1.5}
.book-page-v473 :is(.retailer-buy-v473,.book-jump-v473 a,.book-topic-links-v473 a,.book-buybar-v473 a):focus-visible,.book-context-v473 a:focus-visible{outline:3px solid #f3d697;outline-offset:4px}
@media(max-width:900px){.retailer-grid-v473{grid-template-columns:minmax(0,1fr)}.retailer-grid-v473 .book-isbn-card{padding:24px}.retailer-links-v473{grid-template-columns:repeat(3,minmax(0,1fr))}.retailer-grid-v473 .book-isbn-card h3{margin-bottom:12px}}
@media(max-width:600px){.book-jump-v473{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:16px;gap:8px}.book-jump-v473 a{padding:10px;font-size:.88rem;justify-content:center;text-align:center}.retailer-links-v473{grid-template-columns:minmax(0,1fr)}.book-context-v473{margin:28px 16px;padding:24px 20px}.book-page-v473{padding-bottom:calc(82px + env(safe-area-inset-bottom,0px))}.book-buybar-v473{display:flex;position:fixed;z-index:80;bottom:0;left:0;right:0;gap:12px;align-items:center;justify-content:space-between;padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));background:#071424;border-top:1px solid #9d875d;box-shadow:0 -5px 20px #0005}.book-buybar-v473 span{min-width:0;font-size:.9rem;line-height:1.4;color:#f6eedf;max-width:45%}.book-buybar-v473 a{display:flex;align-items:center;justify-content:center;min-height:46px;padding:10px 16px;background:#dfbc76;color:#0b1421;font-weight:700;border-radius:8px;text-decoration:none;text-align:center;font-size:.94rem;line-height:1.4}}
@media print{.book-buybar-v473{display:none!important}.book-page-v473{padding-bottom:0}}

/* v475: official retailer wordmarks with persistent accessible text. */
.retailer-logo-button-v475{display:grid;grid-template-columns:150px minmax(0,1fr);gap:12px;min-height:68px;padding:10px 12px;text-align:left}.retailer-logo-tile-v475{display:flex;align-items:center;justify-content:center;box-sizing:border-box;width:150px;min-height:46px;padding:7px 10px;border-radius:5px;background:#fff;overflow:hidden}.retailer-logo-v475{display:block;max-width:100%;max-height:32px;width:auto;height:auto;object-fit:contain}.retailer-label-v475{font-size:.9rem;line-height:1.45;overflow-wrap:anywhere}.retailer-logo-button-v475.primary{background:#e0bd76}.retailer-tredition .retailer-logo-v475{width:126px}.retailer-amazon .retailer-logo-v475{width:102px}.retailer-buecher .retailer-logo-v475{width:128px}
@media(min-width:601px) and (max-width:900px){.retailer-logo-button-v475{grid-template-columns:minmax(0,1fr);justify-items:center;text-align:center;gap:8px}.retailer-logo-tile-v475{max-width:100%}}
@media(max-width:370px){.retailer-logo-button-v475{grid-template-columns:minmax(0,1fr);justify-items:center;text-align:center}}