:root{--red:#b90013;--deep-red:#7d1213;--ink:#2f3133;--muted:#707170;--line:#e8e8e8;--surface:#fff;--soft:#f5f5f5;--charcoal:#2f3133;--light:#bfc1c2}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Roboto Flex,Arial,sans-serif;font-size:1.1rem;line-height:1.65;color:var(--ink);background:var(--surface)}a{color:inherit}h1,h2,h3,p{margin-top:0}h1{max-width:760px;margin-bottom:24px;font-size:clamp(2.2rem,4.5vw,4rem);line-height:1.05}h1,h2{letter-spacing:0}h2{font-size:clamp(1.6rem,3vw,2.6rem);line-height:1.15}h3{margin-bottom:8px;font-size:1.05rem}dl{display:grid;grid-gap:14px;gap:14px;margin:0}dl div{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding-top:16px;border-top:1px solid var(--line)}dt{color:var(--muted);font-weight:650}dd{margin:0;font-size:1.35rem;font-weight:850}details{margin-bottom:12px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 35px rgba(17,24,39,.05)}summary{cursor:pointer;padding:20px 24px;color:var(--ink);font-weight:850}details p{margin:0;padding:0 24px 22px;color:var(--muted);line-height:1.65}details a{color:var(--red);font-weight:800}.demo-prose{font-size:1.2rem;line-height:1.68}@media (max-width:900px){dl div{display:block}}@media (max-width:560px){h1{font-size:2.7rem}dd{margin-top:6px}}