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ul,.prose ol{padding-left:1.3rem;margin:0 0 1.2rem}.prose li{margin-bottom:.35rem}.prose a{color:var(--epoxy-deep)}.keybox{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--epoxy);border-radius:var(--radius);padding:18px 22px;margin:1.6rem 0;font-family:var(--sans);font-size:1rem;line-height:1.6}.keybox h3{margin:0 0 8px}.keybox ul{margin:0}.callout{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--steel);border-radius:var(--radius);padding:14px 18px;font-family:var(--sans);font-size:.98rem;line-height:1.55}.callout--warn{border-left-color:var(--caution);background:#fbf3ed}.faq{margin-top:2.6rem}.faq details{border-top:1px solid var(--line);font-family:var(--sans);font-size:1rem}.faq details:last-of-type{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:1rem 2rem 1rem 0;font-weight:650;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:4px;top:.8rem;font-size:1.3rem;font-weight:400;color:var(--slate)}.faq details[open] summary:after{content:"−"}.faq details p{margin:0 0 1rem;color:var(--slate);line-height:1.6}.safety{margin-top:2.4rem;padding-top:1rem;border-top:1px solid var(--line);font-family:var(--sans);font-size:.92rem;color:var(--slate)}.more-guides{margin-top:64px;max-width:820px}.more-guides h2{margin-bottom:16px}.more-guides .text-link{display:inline-block;margin-top:18px}.page-body{padding-block:44px 80px}.calc{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:32px;align-items:start;padding-block:40px 24px}@media (max-width: 900px){.calc{grid-template-columns:minmax(0,1fr)}}.calc-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.calc-form fieldset{border:0;padding:0;margin:0 0 18px}.calc-form legend{font-weight:700;margin-bottom:10px;padding:0}.seg{display:inline-flex;border:1px solid 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