.reading{max-width:850px;padding-top:54px;padding-bottom:64px}.reading h1{font-size:clamp(38px,5vw,60px);letter-spacing:-2px}.reading .lead{font-size:21px;color:var(--ink);margin-top:32px}.reading section{padding-top:32px;scroll-margin-top:20px}.reading h2{font-size:28px;line-height:1.25;letter-spacing:-.6px}.reading p,.reading dd{color:var(--muted)}.reading .contents{display:grid;gap:12px;padding:24px;border:1px solid var(--line);border-radius:12px;margin-top:32px}.reading .worksheet{padding:24px;border:1px solid var(--line);border-radius:12px}.worksheet dt{font-weight:650;margin-top:18px}.worksheet dt:first-child{margin-top:0}.worksheet dd{margin:6px 0 0}.formula{border-left:3px solid var(--blue);padding:16px 20px;background:var(--panel);font-variant-numeric:tabular-nums}.guidecards{display:grid;gap:24px;margin:36px 0}.guidecard{padding:28px;border:1px solid var(--line);border-radius:12px}.guidecard h2{margin-top:0}.reading a{overflow-wrap:anywhere}@media(max-width:480px){.reading{padding-top:36px}.reading .lead{font-size:18px}.reading .worksheet{padding:18px}.reading .comparison{font-size:12px}}