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var(--ease-out)}@media(hover:hover)and (pointer:fine){.bk-trainer:hover>svg:last-child{transform:translate(3px)}}.bk-card{display:flex;flex-direction:column;gap:14px;text-decoration:none;color:var(--c-ink);position:relative;border-radius:12px}.bk-card-cover{position:relative;min-width:0;transition:transform var(--dur-base) var(--ease-out)}.bk-badge{position:absolute;z-index:2;top:10px;right:10px;padding:4px 8px;border-radius:6px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:var(--c-brand);color:#fff}.bk-card-body{display:flex;flex-direction:column;gap:4px;flex:1;padding:0 2px}.bk-card-subj{color:var(--c-sub)}.bk-card-t{font-size:15px;font-weight:500;line-height:1.35;letter-spacing:-.01em}.bk-card-m{font-size:13px;color:var(--c-sub);font-variant-numeric:tabular-nums}.bk-card-p{margin-top:auto;padding-top:8px;display:flex;align-items:baseline;gap:8px;font-variant-numeric:tabular-nums}.bk-card-p b{font-size:16.5px;font-weight:650;letter-spacing:-.02em}.bk-card-p s{font-size:13px;color:var(--c-faint)}.bk-owned{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:500;color:var(--c-success)}@media(hover:hover)and (pointer:fine){.bk-card:hover .bk-card-cover{transform:translateY(-3px)}.bk-card:hover .bk-card-t{color:var(--c-brand-deep)}}.bk-cover{position:relative;aspect-ratio:3 / 4;width:100%;overflow:hidden;border-radius:8px;container-type:inline-size;box-shadow:0 0 0 1px #11111112,0 18px 34px -22px #11111159}.bk-cover img{width:100%;height:100%;object-fit:cover;display:block}.bk-cover-art{color:var(--c-ink);background:linear-gradient(180deg,#fff,#fbfbfa)}.bk-cover-in{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;padding:12cqw 11cqw 10cqw 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li+li{padding-left:18px;border-left:1px solid var(--c-border)}.bk-meta svg{color:var(--c-sub)}.bk-meta-gap{height:24px}.bk-buy{display:flex;flex-direction:column;gap:12px;padding:22px}.bk-price{display:flex;align-items:baseline;gap:10px;margin-bottom:4px;font-variant-numeric:tabular-nums}.bk-price b{font-size:34px;font-weight:700;letter-spacing:-.04em;color:var(--c-ink);line-height:1.1}.bk-price s{font-size:16px;color:var(--c-faint)}.bk-fine{font-size:13px;line-height:1.55;color:var(--c-sub)}.bk-has{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--c-success)}.bk-sample{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:14.5px;font-weight:500;color:var(--c-brand-deep);text-decoration:none}.bk-sample:hover{text-decoration:underline;text-underline-offset:3px}.bk-dl{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;border-radius:var(--btn-r);background:var(--c-brand);color:#fff;text-decoration:none;font-size:var(--btn-fs);font-weight:500}.bk-h2{margin:56px 0 16px;font-size:clamp(22px,3vw,26px);font-weight:650;letter-spacing:-.03em;color:var(--c-ink)}.bk-desc{font-size:16px;line-height:1.75;white-space:pre-line;color:var(--c-text);max-width:70ch}.bk-toc{list-style:none;margin:0;padding:0;counter-reset:toc;border-top:1px solid var(--c-border);max-width:760px}.bk-toc li{counter-increment:toc;display:grid;grid-template-columns:2.6em minmax(0,1fr);gap:10px;padding:13px 0;border-bottom:1px solid var(--c-border);font-size:15px;line-height:1.5;color:var(--c-text)}.bk-toc li:before{content:counter(toc,decimal-leading-zero);font-size:13px;font-weight:500;color:var(--c-faint);font-variant-numeric:tabular-nums;padding-top:2px}.bk-rel-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:56px 0 16px}.bk-rel-head .bk-h2{margin:0}.bk-cart-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--c-border)}.bk-cart-row{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--c-border)}.bk-cart-cover{width:60px;flex-shrink:0}.bk-cart-main{flex:1;min-width:0}.bk-cart-t{font-size:15.5px;font-weight:500;line-height:1.4;color:var(--c-ink);letter-spacing:-.01em}.bk-cart-p{margin-top:3px;font-size:14px;color:var(--c-sub);font-variant-numeric:tabular-nums}.bk-cart-p[data-owned]{color:var(--c-success)}.bk-rm{width:44px;height:44px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;background:none;color:var(--c-sub);cursor:pointer;transition:background-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}.bk-rm:hover{background:var(--c-danger-bg);color:var(--c-danger)}.bk-total{margin-top:24px;display:flex;flex-direction:column;gap:16px;padding:22px}.bk-total-row{flex:1;display:flex;justify-content:space-between;align-items:baseline;gap:12px}.bk-total-row span{font-size:14.5px;color:var(--c-sub)}.bk-total-row b{font-size:28px;font-weight:700;letter-spacing:-.04em;color:var(--c-ink);font-variant-numeric:tabular-nums}.bk-loading{padding:40px;text-align:center;color:var(--c-sub)}.bk-warn{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:12px;background:var(--c-danger-bg);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c-danger) 35%,transparent);color:color-mix(in srgb,var(--c-danger) 78%,var(--c-ink));font-size:13.5px;line-height:1.6}.bk-warn>svg{color:var(--c-danger);flex-shrink:0;margin-top:1px}.bk-warn-h{margin-bottom:4px;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--c-danger)}.bk-warn-p{margin-top:6px}@media(min-width:760px){.bk-cart-cover{width:68px}.bk-buy{padding:26px 28px}.bk-total{padding:24px 28px;flex-direction:row;align-items:center;justify-content:space-between}.bk-total>.btn{width:auto!important;min-width:260px}}@media(max-width:559.98px){.bk-grp-head h2{font-size:20px}.bk-trainer{padding:18px;gap:14px}.bk-meta li{padding-right:14px}.bk-meta li+li{padding-left:14px}}