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li{margin-bottom:10px}.rb-book-chapters li:last-child{margin-bottom:0}.rb-book-chapters strong{color:#17181a}.rb-book-note{display:block;font-size:13px;color:#6b7075;margin-top:12px}.rb-cta-band{background:linear-gradient(135deg,#e04638,#c23227);padding:96px 0;text-align:center}.rb-cta-band h2{color:#fff;font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:0 0 20px}.rb-cta-band p{color:#ffffffd9;font-size:17px;max-width:560px;margin:0 auto 36px;line-height:1.7}@media(max-width:900px){.rb-hero{margin-top:0;padding-top:var(--hero-pad-top);padding-bottom:60px}.rb-hero-inner{grid-template-columns:1fr;gap:32px}.rb-speedo-wrap{min-height:420px}.rb-shot-grid{grid-template-columns:1fr;gap:32px}.rb-shot-number{display:none}.rb-math-grid{grid-template-columns:1fr}.rb-grade-grid{grid-template-columns:1fr 1fr}.rb-book-grid{grid-template-columns:1fr;gap:36px}.rb-book-cover-wrap{order:-1}}@media(max-width:600px){.rb-grade-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.rb-smoke{display:none}}