.tb-cart-toggle[data-astro-cid-mxchjpe6]{z-index:1200;color:#14152b;cursor:pointer;background:#fff;border:1px solid #e4e6ef;border-radius:50%;justify-content:center;align-items:center;width:46px;height:46px;transition:transform .25s,box-shadow .25s;display:inline-flex;position:fixed;top:22px;right:26px;box-shadow:0 6px 20px #14152b1f}.tb-cart-toggle[data-astro-cid-mxchjpe6]:hover{transform:translateY(-2px);box-shadow:0 10px 26px #14152b2e}.tb-cart-count[data-astro-cid-mxchjpe6]{color:#fff;text-align:center;background:#004f9f;border-radius:50px;min-width:20px;height:20px;padding:0 5px;font:700 .72rem/20px Inter,sans-serif;position:absolute;top:-6px;right:-6px}.tb-cart-overlay[data-astro-cid-mxchjpe6]{z-index:1300;opacity:0;background:#0f102180;transition:opacity .3s;position:fixed;inset:0}.tb-cart-overlay[data-astro-cid-mxchjpe6].is-open{opacity:1}.tb-cart-drawer[data-astro-cid-mxchjpe6]{z-index:1400;background:#fff;flex-direction:column;width:min(420px,92vw);height:100dvh;font-family:Inter,-apple-system,sans-serif;transition:transform .34s cubic-bezier(.22,1,.36,1);display:flex;position:fixed;top:0;right:0;transform:translate(100%);box-shadow:-18px 0 50px #0f10212e}.tb-cart-drawer[data-astro-cid-mxchjpe6].is-open{transform:translate(0)}.tb-cart-head[data-astro-cid-mxchjpe6]{border-bottom:1px solid #eef0f6;justify-content:space-between;align-items:flex-start;padding:24px 24px 18px;display:flex}.tb-cart-head[data-astro-cid-mxchjpe6] h2[data-astro-cid-mxchjpe6]{color:#14152b;margin:0;font-size:1.15rem;font-weight:700}.tb-cart-sub[data-astro-cid-mxchjpe6]{color:#8a8c9e;margin:4px 0 0;font-size:.85rem}.tb-cart-close[data-astro-cid-mxchjpe6]{cursor:pointer;color:#55566e;background:0 0;border:none;border-radius:8px;padding:4px;transition:background .2s,color .2s}.tb-cart-close[data-astro-cid-mxchjpe6]:hover{color:#14152b;background:#f2f3f8}.tb-cart-items[data-astro-cid-mxchjpe6]{flex:1;padding:8px 24px;overflow-y:auto}.tb-cart-row[data-astro-cid-mxchjpe6]{border-bottom:1px solid #f1f2f7;grid-template-columns:56px 1fr auto;align-items:center;gap:14px;padding:16px 0;display:grid}.tb-cart-row[data-astro-cid-mxchjpe6]:last-child{border-bottom:none}.tb-cart-thumb[data-astro-cid-mxchjpe6]{object-fit:cover;background:#eef0f6;border-radius:8px;width:56px;height:74px;display:block}.tb-cart-info[data-astro-cid-mxchjpe6]{min-width:0}.tb-cart-title[data-astro-cid-mxchjpe6]{color:#14152b;margin:0;font-size:.9rem;font-weight:600;line-height:1.3}.tb-cart-fmt[data-astro-cid-mxchjpe6]{color:#8a8c9e;margin:3px 0 0;font-size:.78rem}.tb-cart-price[data-astro-cid-mxchjpe6]{color:#14152b;margin:6px 0 0;font-size:.86rem;font-weight:700}.tb-cart-right[data-astro-cid-mxchjpe6]{flex-direction:column;align-items:flex-end;gap:10px;display:flex}.tb-cart-del[data-astro-cid-mxchjpe6]{cursor:pointer;color:#b0b2c2;background:0 0;border:none;padding:2px;transition:color .2s}.tb-cart-del[data-astro-cid-mxchjpe6]:hover{color:#e0475b}.tb-step[data-astro-cid-mxchjpe6]{border:1px solid #e4e6ef;border-radius:8px;align-items:center;gap:0;display:inline-flex;overflow:hidden}.tb-step[data-astro-cid-mxchjpe6] button[data-astro-cid-mxchjpe6]{cursor:pointer;color:#14152b;background:#fff;border:none;justify-content:center;align-items:center;width:28px;height:28px;font-size:1rem;line-height:1;transition:background .2s;display:inline-flex}.tb-step[data-astro-cid-mxchjpe6] button[data-astro-cid-mxchjpe6]:hover{background:#f2f3f8}.tb-step[data-astro-cid-mxchjpe6] button[data-astro-cid-mxchjpe6]:disabled{color:#c9cbd8;cursor:not-allowed}.tb-step[data-astro-cid-mxchjpe6] span[data-astro-cid-mxchjpe6]{text-align:center;min-width:30px;font-size:.85rem;font-weight:600}.tb-cart-empty[data-astro-cid-mxchjpe6]{color:#b0b2c2;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;padding:40px;display:flex}.tb-cart-empty[data-astro-cid-mxchjpe6] p[data-astro-cid-mxchjpe6]{color:#8a8c9e;margin:0;font-size:.95rem}.tb-cart-foot[data-astro-cid-mxchjpe6]{padding:20px 24px calc(20px + env(safe-area-inset-bottom));border-top:1px solid #eef0f6}.tb-cart-total[data-astro-cid-mxchjpe6]{color:#14152b;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:1.1rem;font-weight:700;display:flex}.tb-cart-checkout[data-astro-cid-mxchjpe6]{cursor:pointer;color:#fff;background:#004f9f;border:none;border-radius:12px;justify-content:center;align-items:center;gap:10px;width:100%;padding:15px 20px;font:700 .95rem Inter,sans-serif;transition:background .25s,transform .25s;display:inline-flex}.tb-cart-checkout[data-astro-cid-mxchjpe6]:hover{background:#003d7a;transform:translateY(-1px)}.tb-toast{z-index:1500;color:#fff;opacity:0;pointer-events:none;background:#14152b;border-radius:50px;padding:13px 22px;font:600 .88rem Inter,sans-serif;transition:opacity .3s,transform .3s;position:fixed;bottom:26px;left:50%;transform:translate(-50%)translateY(20px);box-shadow:0 12px 34px #0f10214d}.tb-toast.is-show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=520px){.tb-cart-toggle[data-astro-cid-mxchjpe6]{top:16px;right:16px}}@media (prefers-reduced-motion:reduce){.tb-cart-drawer[data-astro-cid-mxchjpe6],.tb-cart-overlay[data-astro-cid-mxchjpe6],.tb-cart-toggle[data-astro-cid-mxchjpe6],.tb-cart-checkout[data-astro-cid-mxchjpe6]{transition:none}}.book-detail[data-astro-cid-htmgan3m]{--accent:#d4880f;--navy:#004f9f;--text:#1a1a2e;--text-body:#4a4a60;--text-muted:#8a8a9e;--r:16px;color:var(--text);background:#f6f7f9;padding:140px 0 100px;font-family:Inter,-apple-system,sans-serif;line-height:1.6}.book-detail[data-astro-cid-htmgan3m] [data-astro-cid-htmgan3m],.book-detail[data-astro-cid-htmgan3m] [data-astro-cid-htmgan3m]:before,.book-detail[data-astro-cid-htmgan3m] [data-astro-cid-htmgan3m]:after{box-sizing:border-box}.bd-wrap[data-astro-cid-htmgan3m]{max-width:1080px;margin:0 auto;padding:0 32px}.bd-back[data-astro-cid-htmgan3m]{color:var(--text-muted);align-items:center;gap:8px;margin-bottom:40px;font-size:.9rem;font-weight:600;text-decoration:none;transition:color .25s;display:inline-flex}.bd-back[data-astro-cid-htmgan3m]:hover{color:var(--navy)}.bd-hero[data-astro-cid-htmgan3m]{grid-template-columns:300px 1fr;align-items:start;gap:56px;margin-bottom:40px;display:grid}.bd-cover[data-astro-cid-htmgan3m]{aspect-ratio:3/4;border-radius:var(--r);width:300px;position:relative;overflow:hidden;box-shadow:0 24px 60px #1a1a2e38}.bd-cover[data-astro-cid-htmgan3m] img[data-astro-cid-htmgan3m]{object-fit:cover;width:100%;height:100%;display:block}.bd-badge[data-astro-cid-htmgan3m]{background:var(--accent);color:#fff;text-transform:uppercase;letter-spacing:.08em;border-radius:50px;padding:6px 13px;font-size:.62rem;font-weight:800;position:absolute;top:14px;right:14px}.bd-eyebrow[data-astro-cid-htmgan3m]{text-transform:uppercase;letter-spacing:.16em;color:var(--text);align-items:center;gap:8px;margin:0 0 16px;font-size:.72rem;font-weight:700;display:inline-flex}.bd-eyebrow[data-astro-cid-htmgan3m] .el[data-astro-cid-htmgan3m]{background:var(--accent);border-radius:50%;width:7px;height:7px}.bd-title[data-astro-cid-htmgan3m]{letter-spacing:-.025em;margin:0 0 14px;font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:800;line-height:1.12}.bd-subtitle[data-astro-cid-htmgan3m]{color:var(--text-body);margin:0 0 20px;font-size:1.15rem}.bd-author[data-astro-cid-htmgan3m]{color:var(--text);margin:0 0 6px;font-size:.95rem;font-weight:600}.bd-status[data-astro-cid-htmgan3m]{color:var(--accent);margin:0 0 28px;font-size:.9rem;font-weight:700}.bd-cta[data-astro-cid-htmgan3m]{background:var(--navy);color:#fff;border-radius:50px;align-items:center;gap:10px;padding:14px 28px;font-size:.92rem;font-weight:700;text-decoration:none;transition:transform .3s,background .3s;display:inline-flex;box-shadow:0 8px 30px #004f9f3d}.bd-cta[data-astro-cid-htmgan3m]:hover{background:#003d7a;transform:translateY(-2px)}.bd-price[data-astro-cid-htmgan3m]{letter-spacing:-.02em;color:var(--navy);margin:8px 0 24px;font-size:1.9rem;font-weight:800}.bd-buy[data-astro-cid-htmgan3m]{max-width:460px}.bd-buy-label[data-astro-cid-htmgan3m]{color:var(--text-body);margin-bottom:10px;font-size:.82rem;font-weight:600;display:block}.bd-formats[data-astro-cid-htmgan3m]{grid-template-columns:1fr 1fr;gap:12px;display:grid}.bd-format[data-astro-cid-htmgan3m]{cursor:pointer;text-align:center;background:#fff;border:1.5px solid #e4e6ef;border-radius:14px;flex-direction:column;align-items:center;gap:6px;padding:16px 12px;transition:border-color .2s,background .2s,box-shadow .2s;display:flex;position:relative}.bd-format[data-astro-cid-htmgan3m] input[data-astro-cid-htmgan3m]{opacity:0;pointer-events:none;position:absolute}.bd-format[data-astro-cid-htmgan3m] svg[data-astro-cid-htmgan3m]{color:var(--text-muted);transition:color .2s}.bd-format-name[data-astro-cid-htmgan3m]{color:var(--text);font-size:.92rem;font-weight:600}.bd-format-price[data-astro-cid-htmgan3m]{color:var(--text-muted);font-size:.82rem}.bd-format[data-astro-cid-htmgan3m].is-active{border-color:var(--navy);background:#f3f7fd;box-shadow:0 0 0 3px #004f9f14}.bd-format[data-astro-cid-htmgan3m].is-active svg[data-astro-cid-htmgan3m],.bd-format[data-astro-cid-htmgan3m].is-active .bd-format-name[data-astro-cid-htmgan3m]{color:var(--navy)}.bd-delivery[data-astro-cid-htmgan3m]{color:#2f7d43;background:#eef6ef;border-radius:12px;align-items:flex-start;gap:8px;margin:14px 0 0;padding:12px 14px;font-size:.85rem;line-height:1.5;display:flex}.bd-delivery[data-astro-cid-htmgan3m] svg[data-astro-cid-htmgan3m]{flex-shrink:0;margin-top:2px}.bd-qty-row[data-astro-cid-htmgan3m]{align-items:center;gap:16px;margin:22px 0 6px;display:flex}.bd-qty-label[data-astro-cid-htmgan3m]{color:var(--text);font-size:.92rem;font-weight:600}.bd-step[data-astro-cid-htmgan3m]{border:1px solid #e4e6ef;border-radius:10px;align-items:center;display:inline-flex;overflow:hidden}.bd-step[data-astro-cid-htmgan3m] button[data-astro-cid-htmgan3m]{cursor:pointer;width:36px;height:36px;color:var(--text);background:#fff;border:none;justify-content:center;align-items:center;font-size:1.15rem;line-height:1;transition:background .2s;display:inline-flex}.bd-step[data-astro-cid-htmgan3m] button[data-astro-cid-htmgan3m]:hover:not(:disabled){background:#f2f3f8}.bd-step[data-astro-cid-htmgan3m] button[data-astro-cid-htmgan3m]:disabled{color:#c9cbd8;cursor:not-allowed}.bd-step[data-astro-cid-htmgan3m] span[data-astro-cid-htmgan3m]{text-align:center;min-width:44px;font-size:.95rem;font-weight:600}.bd-qty-note[data-astro-cid-htmgan3m]{color:var(--text-muted);margin:0 0 22px;font-size:.82rem}.bd-add[data-astro-cid-htmgan3m]{cursor:pointer;background:var(--navy);color:#fff;border:none;border-radius:14px;justify-content:center;align-items:center;gap:10px;width:100%;padding:16px 24px;font:700 1rem Inter,sans-serif;transition:background .25s,transform .25s;display:inline-flex;box-shadow:0 10px 30px #004f9f3d}.bd-add[data-astro-cid-htmgan3m]:hover{background:#003d7a;transform:translateY(-2px)}.bd-sep[data-astro-cid-htmgan3m]{background:linear-gradient(90deg,#0000,#e0e3ec 12% 88%,#0000);border:none;height:1px;margin:0 0 56px}.bd-body[data-astro-cid-htmgan3m]{grid-template-columns:1fr 360px;align-items:start;gap:56px;display:grid}.bd-about[data-astro-cid-htmgan3m] h2[data-astro-cid-htmgan3m],.bd-learn[data-astro-cid-htmgan3m] h2[data-astro-cid-htmgan3m]{letter-spacing:-.01em;margin:0 0 20px;font-size:1.3rem;font-weight:700}.bd-about[data-astro-cid-htmgan3m] p[data-astro-cid-htmgan3m]{color:var(--text-body);margin:0 0 20px;font-size:1.05rem;line-height:1.8}.bd-learn[data-astro-cid-htmgan3m]{background:#fff;border:1px solid #ececf2;border-radius:20px;padding:30px 28px;box-shadow:0 12px 34px #1a1a2e0f}.bd-learn[data-astro-cid-htmgan3m] ul[data-astro-cid-htmgan3m]{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.bd-learn[data-astro-cid-htmgan3m] li[data-astro-cid-htmgan3m]{color:var(--text-body);gap:12px;font-size:.96rem;line-height:1.5;display:flex}.bd-learn[data-astro-cid-htmgan3m] li[data-astro-cid-htmgan3m] svg[data-astro-cid-htmgan3m]{color:var(--accent);flex-shrink:0;margin-top:3px}@media (width<=880px){.book-detail[data-astro-cid-htmgan3m]{padding:120px 0 72px}.bd-hero[data-astro-cid-htmgan3m]{text-align:center;grid-template-columns:1fr;justify-items:center;gap:32px}.bd-eyebrow[data-astro-cid-htmgan3m]{justify-content:center}.bd-body[data-astro-cid-htmgan3m]{grid-template-columns:1fr;gap:36px}}@media (width<=520px){.bd-wrap[data-astro-cid-htmgan3m]{padding:0 20px}.bd-cover[data-astro-cid-htmgan3m]{width:240px}}