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0;box-shadow:0 -30px 54px -16px #0c1b3a4d,0 30px 54px -16px #0c1b3a4d,inset 0 1px #fff9,inset 0 -1px #0c1b3a2e}.section:nth-of-type(2n){z-index:3}.section:nth-of-type(odd){box-shadow:inset 0 24px 38px -26px #0c1b3a73,inset 0 -24px 38px -26px #0c1b3a61,inset 0 1px #0c1b3a17}.section--navy:nth-of-type(odd){box-shadow:inset 0 28px 44px -26px #020714bf,inset 0 -28px 44px -26px #020714a6,inset 0 1px #02071499}.section:nth-of-type(2n):after{height:clamp(28px,3.4vw,50px)}.section:before,.section:after{content:"";position:absolute;left:0;right:0;height:clamp(24px,3vw,44px);z-index:0;pointer-events:none}.section:before{top:0;background:linear-gradient(to bottom,rgba(12,27,58,.2),transparent)}.section:after{bottom:0;background:linear-gradient(to top,rgba(12,27,58,.18),transparent)}.section--navy:before{background:linear-gradient(to bottom,rgba(2,7,20,.42),transparent)}.section--navy:after{background:linear-gradient(to top,rgba(2,7,20,.45),transparent)}.section--navy{box-shadow:0 -30px 54px -16px 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0}}.hero__sub{color:#f6f1e7d6;max-width:54ch;font-size:clamp(1.06rem,1.2vw,1.3rem);line-height:1.75}.hero__cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:clamp(1.4rem,2.4vw,2rem)}.hero__meta{display:flex;flex-wrap:wrap;margin-top:clamp(1.2rem,2vw,1.8rem);padding-top:clamp(.9rem,1.4vw,1.3rem);border-top:1px solid var(--navy-line);gap:clamp(.8rem,1.6vw,1.7rem);flex-wrap:nowrap}.hero__meta div{position:relative;padding-right:clamp(.8rem,1.6vw,1.7rem);min-width:0}.hero__meta div+div:before{content:"";position:absolute;left:calc(-1*clamp(.4rem,.8vw,.85rem));top:12%;height:76%;width:1px;background:var(--navy-line)}.hero__meta strong,.hero__meta small{display:block}.hero__meta strong{font-family:var(--font-display);font-size:clamp(1.9rem,2.3vw,2.5rem);font-weight:600;color:var(--gold);line-height:1}.hero__meta 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#00000073;z-index:3}.book-figure__price b{display:block;font-size:1.3rem;font-weight:600}.book-figure__price small{font-size:.55rem;letter-spacing:.2em;text-transform:uppercase;opacity:.75}.hero__chip{position:absolute;z-index:3;display:flex;align-items:center;gap:.6rem;padding:.7rem 1.1rem;border-radius:16px;background:#0c1b3a9e;border:1px solid rgba(246,241,231,.16);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 20px 44px #0006;font-family:var(--font-ui);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:#f6f1e7eb;white-space:nowrap}.hero__chip svg{color:var(--gold)}.hero__chip--top{top:6%;left:-4%}.hero__chip--bottom{bottom:4%;left:2%}.marquee{position:relative;z-index:3;box-shadow:0 14px 40px #f2b41c47;background:var(--gold);color:var(--navy-deep);padding:1rem 0;overflow:hidden;border-block:1px solid rgba(6,14,34,.12)}.marquee__track{display:flex;gap:3.5rem;width:max-content;align-items:center}.marquee__track span{font-family:var(--font-ui);font-size:.82rem;letter-spacing:.28em;text-transform:uppercase;white-space:nowrap;display:flex;align-items:center;gap:3.5rem}.grid{display:grid;gap:clamp(1.4rem,3vw,2.4rem)}.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border-radius:var(--radius-lg);padding:2.2rem;border:1px solid rgba(12,27,58,.08);box-shadow:var(--shadow-sm);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s}.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:#f2b41c80}.card__num{font-family:var(--font-display);font-size:2.6rem;color:var(--gold);line-height:1;display:block;margin-bottom:.8rem}.card h3{margin-bottom:.5rem}.card p{color:var(--ink-soft);font-size:1.04rem;margin:0}.section--navy .card{background:#ffffff0b;border-color:var(--navy-line);color:var(--cream);box-shadow:none}.section--navy .card p{color:#f6f1e7b3}.checklist{list-style:none;margin:0;padding:0;display:grid;gap:.9rem}.checklist li{display:flex;gap:.9rem;align-items:flex-start;font-size:1.08rem}.checklist svg{color:var(--gold);flex:none;margin-top:4px}.shop-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:2.6rem;padding-bottom:1.4rem;border-bottom:1px solid rgba(12,27,58,.12)}.chips{display:flex;flex-wrap:wrap;gap:.6rem}.chip{font-family:var(--font-ui);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;padding:.55rem 1.1rem;border-radius:999px;border:1px solid rgba(12,27,58,.18);background:transparent;color:var(--navy);transition:all .35s var(--ease)}.chip:hover{border-color:var(--gold)}.chip.is-active{background:var(--navy);border-color:var(--navy);color:var(--cream)}.book-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid 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.85rem;border-radius:999px}.book-card__body{padding:1.8rem;display:flex;flex-direction:column;flex:1;gap:.6rem}.book-card__title{font-family:var(--font-display);font-size:1.75rem;line-height:1.15;margin:0}.book-card__sub{color:var(--ink-soft);font-size:1rem;margin:0}.book-card__foot{margin-top:auto;padding-top:1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;border-top:1px solid rgba(12,27,58,.08)}.price{font-family:var(--font-display);font-size:1.55rem;white-space:nowrap;font-weight:600;color:var(--navy);line-height:1}.price small{display:block;font-family:var(--font-ui);font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);margin-top:4px}.book-detail{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}.book-detail__visual{position:sticky;top:110px;background:var(--navy-deep);border-radius:var(--radius-lg);padding:clamp(1.5rem,4vw,3rem);display:grid;place-items:center;box-shadow:var(--shadow)}.book-detail__thumbs{display:flex;gap:.7rem;margin-top:1.4rem;justify-content:center}.book-detail__thumbs button{width:62px;height:62px;border-radius:12px;border:1px solid var(--navy-line);background:#ffffff0d;display:grid;place-items:center;padding:6px;transition:border-color .3s,transform .3s}.book-detail__thumbs button.is-active{border-color:var(--gold);transform:translateY(-3px)}.book-detail__thumbs img{max-height:100%;object-fit:contain}.format-list{display:grid;gap:.8rem;margin:1.6rem 0 2rem}.format{display:flex;align-items:center;gap:1rem;padding:1.1rem 1.3rem;border:1px solid rgba(12,27,58,.14);border-radius:var(--radius);background:#fff;text-align:left;transition:all .35s var(--ease)}.format:hover{border-color:#f2b41cb3}.format.is-active{border-color:var(--gold);box-shadow:0 0 0 3px #f2b41c29}.format__radio{width:20px;height:20px;border-radius:50%;border:1px solid rgba(12,27,58,.3);flex:none;display:grid;place-items:center}.format.is-active .format__radio{border-color:var(--gold)}.format.is-active .format__radio:after{content:"";width:10px;height:10px;border-radius:50%;background:var(--gold)}.format__label{flex:1}.format__label b{display:block;font-family:var(--font-body);font-weight:600;font-size:1.08rem}.format__label small{color:var(--ink-soft);font-size:.82rem}.format__price{font-family:var(--font-display);font-size:1.35rem;font-weight:600;color:var(--navy);white-space:nowrap}.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1px;background:#0c1b3a1f;border:1px solid rgba(12,27,58,.12);border-radius:var(--radius);overflow:hidden;margin-top:2.4rem}.spec-grid div{background:var(--paper);padding:1.1rem 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