/* Scoped book display; unrelated course and purchase components are unchanged. */
.bk-heading{max-width:1180px;margin:50px auto 24px;padding:0 24px;color:#0b2237}.bk-heading h2{font-size:clamp(28px,3vw,40px);line-height:1.18;color:#0b2237;margin:0 0 14px}.bk-heading p{line-height:1.7;color:#526575}.bk-heading nav{display:flex;gap:12px;flex-wrap:wrap}.bk-heading nav a{padding:10px 15px;background:#edf2f6;border-radius:10px;text-decoration:none;color:#0b2237;font-weight:700}.bk-pair{font-family:Arial,Helvetica,sans-serif;max-width:1180px;margin:28px auto 48px;padding:0 24px;color:#0b2237;scroll-margin-top:24px}.bk-pair>h2{font-size:clamp(25px,2.5vw,34px);line-height:1.25;color:#0b2237;margin:0 0 14px;overflow-wrap:anywhere}.bk-pair>p{font-size:16px;line-height:1.7;color:#526575;max-width:950px}.bk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.bk-card{min-width:0;background:#fff;border:1px solid #d8e1e8;border-radius:22px;box-shadow:0 12px 30px #0b223709;display:flex;flex-direction:column;position:relative;overflow:visible}.bk-language{background:#0b283f;color:#fff;font-weight:750;font-size:15px;line-height:1.5;padding:15px 24px;border-radius:21px 21px 0 0;min-height:54px;display:flex;align-items:center}.bk-body{padding:26px!important;display:flex!important;flex-direction:column;flex:1;min-width:0}.bk-body h3{font-size:24px!important;line-height:1.25!important;margin:12px 0 14px!important;color:#0b2237;overflow-wrap:anywhere}.bk-body p{font-size:16px;line-height:1.65;margin:0 0 18px;color:#526575;overflow-wrap:anywhere}.bk-body .da24-price,.bk-body .da24-weg-price{font-size:27px;font-weight:750;color:#0b283f;margin:20px 0}.bk-body .da24-price small{font-size:13px;font-weight:400;line-height:1.6;display:block}.bk-body details{border:1px solid #d7e1e8;border-radius:12px;padding:15px;margin:18px 0;color:#213e53;min-width:0;overflow-wrap:anywhere}.bk-body details summary{font-weight:700;line-height:1.6;cursor:pointer}.bk-body details details{border:0;border-top:1px solid #e0e6eb;border-radius:0;padding:10px 0;margin:6px 0}.bk-actions{display:grid;gap:10px;margin-top:22px}.bk-actions>a{display:block!important;padding:13px 18px;border-radius:11px;text-align:center;white-space:normal;overflow-wrap:anywhere;font-size:15px!important;line-height:1.5;text-decoration:none!important;font-weight:700!important;background:#e7c36a;color:#0b2237!important}.bk-actions>a.bk-sample{background:#eef3f6;color:#173e57!important;border:1px solid #ccdbe5}.bk-actions>a.bk-buy{background:#0b283f;color:#fff!important}.bk-scene{width:164px;max-width:70%;margin:6px auto 22px;text-align:center;position:relative;z-index:1;perspective:1000px;flex:none}.bk-book{position:relative;display:block!important;width:100%!important;aspect-ratio:2/3;transform-style:preserve-3d;transition:transform .3s ease;box-shadow:6px 10px 18px #071a3330;border-radius:3px;background:#fff;text-decoration:none}.bk-scene .bk-book img{position:absolute!important;inset:0!important;display:block!important;width:100%!important;height:100%!important;object-fit:fill!important;margin:0!important;border-radius:2px!important;max-width:none!important;max-height:none!important}.bk-page{background:white;transform:translateZ(-2px)}.bk-cover{transform-origin:left center;backface-visibility:hidden;transition:transform .45s ease;box-shadow:2px 0 5px #071a3322;transform:rotateY(0deg)}.bk-preview{display:block;margin:12px auto 0;border:1px solid #bdcbd6;border-radius:8px;padding:8px 12px;background:#edf3f7;color:#153c55;font:700 13px Arial;line-height:1.4;cursor:pointer;white-space:normal}.bk-scene:focus-within{z-index:5}.bk-scene:focus-within .bk-book{transform:translateY(-7px) rotateY(-5deg) scale(1.05)}.bk-scene:focus-within .bk-cover{transform:rotateY(-62deg)}.bk-book:focus-visible,.bk-preview:focus-visible{outline:3px solid #b3832b;outline-offset:5px}@media(hover:hover) and (pointer:fine){.bk-scene:hover{z-index:5}.bk-scene:hover .bk-book{transform:translateY(-7px) rotateY(-5deg) scale(1.05)}.bk-scene:hover .bk-cover{transform:rotateY(-62deg)}}
.mk-library .mk-covers.bk-shelf{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:22px 18px;min-height:0!important;margin:24px 0!important;align-items:start}.mk-library .bk-shelf .bk-scene{width:100%;max-width:108px;margin:0 auto!important}.mk-library .bk-shelf .bk-book{margin:0!important;transform:rotateY(0deg);max-width:100%}.bk-shelf .bk-preview{font-size:11px;padding:6px 7px;background:#233e54;color:#f7e4ad;border-color:#61788a;width:100%}.bk-shelf .bk-short-title{display:block;color:#dce8f0;font-size:12px;font-weight:700;margin:9px 0 0}.bk-dialog{max-width:min(900px,94vw);max-height:94vh;border:0;border-radius:18px;padding:22px;background:#f7fafc;color:#0b2237;box-shadow:0 20px 80px #0008}.bk-dialog::backdrop{background:#041528c9}.bk-dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.bk-dialog h2{font-size:22px;line-height:1.3;color:#0b2237;margin:0 0 10px}.bk-dialog p{font-size:14px;line-height:1.6;margin:0 0 14px}.bk-dialog button{background:#0b283f;color:white;border:0;border-radius:9px;padding:10px 14px;font-size:15px;cursor:pointer}.bk-dialog img{display:block;max-width:100%;height:auto;width:600px;margin:auto;background:white}.bk-dialog a{display:block;margin:16px 0;font-weight:700;color:#173e57}.bk-footnote{font-size:13px;color:#526575;line-height:1.6}@media(max-width:700px){.bk-pair{padding:0 18px;margin:24px auto 36px}.bk-grid{grid-template-columns:minmax(0,1fr)}.bk-body{padding:22px!important}.bk-heading{padding:0 18px}.bk-heading nav a{width:100%}.bk-scene{width:155px}.mk-library .mk-covers.bk-shelf{gap:18px 10px}.bk-shelf .bk-preview{padding:6px 4px;font-size:10px}.bk-shelf .bk-short-title{font-size:11px}.bk-dialog{padding:16px}}@media(prefers-reduced-motion:reduce){.bk-book,.bk-cover{transition:none!important}.bk-scene:hover .bk-book,.bk-scene:focus-within .bk-book{transform:none!important}.bk-scene:hover .bk-cover,.bk-scene:focus-within .bk-cover{transform:none!important}}
.bk-page{transform:none!important;z-index:1}.bk-cover{z-index:2}.bk-shelf .bk-scene:focus-within .bk-book{transform:translateY(-7px) rotateY(-5deg) scale(1.05)}@media(hover:hover) and (pointer:fine){.bk-shelf .bk-scene:hover .bk-book{transform:translateY(-7px) rotateY(-5deg) scale(1.05)}}@media(prefers-reduced-motion:reduce){.bk-shelf .bk-scene:hover .bk-book,.bk-shelf .bk-scene:focus-within .bk-book{transform:none!important}}
.bk-body .bk-price{font-size:28px!important;font-weight:750;color:#0b283f;margin:20px 0;line-height:1.3}.bk-body .bk-price small{display:block;font-size:13px;font-weight:400;line-height:1.6;margin-top:8px;color:#526575}.bk-scene button.bk-preview{background:#edf3f7!important;color:#153c55!important;border:1px solid #bdcbd6!important;border-radius:8px!important;font:700 13px Arial!important}.bk-shelf .bk-scene button.bk-preview{background:#233e54!important;color:#f7e4ad!important;border-color:#61788a!important;font-size:11px!important}dialog.bk-dialog button{background:#0b283f!important;color:white!important}.bk-scene button.bk-preview:hover,dialog.bk-dialog button:hover{background:#e7c36a!important;color:#0b2237!important}@media(max-width:700px){.bk-shelf .bk-scene button.bk-preview{font-size:10px!important}}
.bk-body>.da24-development-label{display:none}
/* Separate the two physical layers to avoid coplanar 3D rendering artifacts. */
.bk-scene .bk-cover{transform:translateZ(1px) rotateY(0deg)}.bk-scene:focus-within .bk-cover{transform:translateZ(1px) rotateY(-62deg)}@media(hover:hover) and (pointer:fine){.bk-scene:hover .bk-cover{transform:translateZ(1px) rotateY(-62deg)}}@media(prefers-reduced-motion:reduce){.bk-scene:hover .bk-cover,.bk-scene:focus-within .bk-cover{transform:translateZ(1px)!important}}