:root{--ink:#13231f;--muted:#5e6b67;--bg:#f7faf8;--card:#fff;--accent:#155f4b;--accent2:#dfeee8;--line:#dfe7e3}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.68}
a{color:var(--accent)}header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.wrap{max-width:1120px;margin:auto;padding:0 22px}.top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.2rem}.mark{width:32px;height:32px;border-radius:9px;background:var(--accent);color:#fff;display:grid;place-items:center}
nav{display:flex;gap:14px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--ink);font-size:.94rem}
.hero{padding:70px 0 38px}.hero h1,.article h1{font-size:clamp(2.1rem,5vw,4.2rem);line-height:1.05;letter-spacing:-.04em;margin:.15em 0}.lede{font-size:1.18rem;color:var(--muted);max-width:760px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.card h2,.card h3{margin-top:0}.pill{display:inline-block;background:var(--accent2);padding:5px 9px;border-radius:999px;font-size:.78rem;font-weight:700}
.article{max-width:820px;margin:48px auto;padding:0 22px}.article h2{margin-top:2.2em;line-height:1.2}.article h3{margin-top:1.6em}.note,.warning,.cta{border-radius:14px;padding:18px 20px;margin:24px 0}.note{background:#eef5f2}.warning{background:#fff5df;border:1px solid #f0d59b}.cta{background:#13231f;color:#fff}.cta a{display:inline-block;background:#fff;color:#13231f;font-weight:800;text-decoration:none;padding:12px 16px;border-radius:10px;margin-top:8px}
table{width:100%;border-collapse:collapse;background:#fff}th,td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
footer{border-top:1px solid var(--line);margin-top:60px;background:#fff;padding:34px 0;color:var(--muted);font-size:.9rem}
.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--muted)}
.disclosure{font-size:.88rem;color:var(--muted);border-left:3px solid var(--accent);padding-left:12px}
ul.related{columns:2}.byline{color:var(--muted);font-size:.9rem}
@media(max-width:760px){.grid{grid-template-columns:1fr}.top{align-items:flex-start;flex-direction:column}.hero{padding-top:42px}nav{gap:10px}.article{margin-top:30px}ul.related{columns:1}}