:root{color-scheme:light;--ink:#193e3b;--muted:#526a66;--line:#d5e1dc;--paper:#faf9f5;--accent:#235e51}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.65}a{color:var(--accent);text-underline-offset:4px}a:focus-visible{outline:3px solid #b97831;outline-offset:5px}.skip{position:absolute;top:-80px;padding:12px;background:white}.skip:focus{top:0}header,main,footer{max-width:1120px;margin:auto;padding:24px 32px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{font-size:26px;font-weight:800;text-decoration:none;letter-spacing:-1px}nav{display:flex;gap:22px;flex-wrap:wrap;font-size:14px}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:12px;font-weight:700;color:var(--muted)}.hero{padding:65px 0 50px;max-width:850px}h1{font-size:clamp(36px,6vw,70px);line-height:1.12;letter-spacing:-2px;margin:16px 0 24px}h2{font-size:26px;line-height:1.3;margin:0 0 15px}h3{font-size:18px;margin:0 0 10px}.lead{font-size:20px;max-width:720px}.zh{color:var(--muted)}.actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px}.button{display:inline-block;padding:12px 22px;background:var(--accent);color:white;border-radius:6px;text-decoration:none;font-weight:600;min-height:48px}.subtle{background:transparent;color:var(--accent);box-shadow:inset 0 0 0 1px var(--line)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:0 0 48px}.card{border:1px solid var(--line);border-radius:10px;padding:24px;background:#fff}.number{color:#8a6841;font-size:13px;font-weight:700;display:block;margin-bottom:20px}.band{background:#eaf0eb;padding:30px;border-radius:10px;margin:0 0 36px}.prose{max-width:800px;padding-top:36px;padding-bottom:50px}.prose h1{font-size:44px;letter-spacing:-1px}.prose h2{margin-top:32px;font-size:22px}.notice{padding:16px 20px;background:#f3e9d8;border-left:3px solid #a57735}.prose li{margin-bottom:8px}.sample{padding:20px;border:1px dashed #8ca79c;border-radius:8px;background:#fff}footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}footer .links{display:flex;gap:18px;flex-wrap:wrap}@media(max-width:650px){header,main,footer{padding:20px}header{align-items:flex-start;flex-direction:column;gap:12px}nav{gap:16px}.hero{padding:38px 0 32px}h1{letter-spacing:-1px}.lead{font-size:18px}.grid{grid-template-columns:1fr;gap:14px}.card{padding:22px}.band{padding:22px}.prose h1{font-size:35px}}