:root{--ink:#18332c;--muted:#5f6f69;--paper:#fbfcf8;--card:#fff;--line:#dfe8e1;--accent:#267a5b;--accent2:#eaf5ee;--warm:#f7f0df;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:17px/1.68 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}
a{color:#17664b;text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:#0d4a35}
.wrap{width:min(var(--max),92%);margin:auto}.site-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;color:var(--ink);font-size:20px}.mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#267a5b,#8cbf93);display:grid;place-items:center;color:white}
nav{display:flex;gap:18px;flex-wrap:wrap}nav a{text-decoration:none;font-weight:650;font-size:14px;color:var(--ink)}
.hero{padding:72px 0 46px;background:linear-gradient(180deg,#edf7ef 0,#fbfcf8 100%)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-weight:800;font-size:12px;color:var(--accent)}h1{font-size:clamp(38px,6vw,68px);line-height:1.03;letter-spacing:-.035em;margin:.15em 0 .35em}h2{font-size:32px;line-height:1.15;margin-top:1.8em}h3{font-size:22px;line-height:1.25;margin-top:1.5em}
.lead{font-size:21px;color:#40564f;max-width:760px}.hero-card,.card,.callout,.verdict{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 10px 35px rgba(24,51,44,.06)}
.hero-card{background:linear-gradient(145deg,#fff,#eef7ef)}.metric{font-size:34px;font-weight:850}.muted{color:var(--muted)}
.btn{display:inline-block;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:800;padding:13px 19px;border-radius:10px;margin:8px 8px 8px 0}.btn.secondary{background:#fff;color:var(--accent)!important;border:1px solid var(--accent)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid.two{grid-template-columns:repeat(2,1fr)}.card h3{margin-top:0}.section{padding:34px 0 56px}
.article{max-width:800px;margin:44px auto 80px}.article h1{font-size:48px}.article .meta{color:var(--muted);font-size:14px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:28px}
.toc{background:var(--accent2);border-radius:14px;padding:18px 22px}.toc strong{display:block}.toc a{margin-right:12px}
.callout{background:var(--warm);box-shadow:none}.verdict{border-left:5px solid var(--accent);box-shadow:none}.sourcebox{font-size:14px;background:#f3f6f4;border:1px solid var(--line);border-radius:12px;padding:16px;margin:24px 0}.sourcebox a{word-break:break-word}
table{border-collapse:collapse;width:100%;margin:24px 0;background:#fff}th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{background:#edf5ef}
.disclosure{font-size:14px;background:#fff7db;border:1px solid #e8d48c;border-radius:10px;padding:12px 15px;margin:20px 0}.breadcrumbs{font-size:13px;color:var(--muted);margin-top:24px}
footer{background:#18332c;color:#dce9e3;padding:48px 0}footer a{color:#fff}.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.small{font-size:13px}
@media(max-width:780px){.hero-grid,.grid,.grid.two,.footgrid{grid-template-columns:1fr}.nav{align-items:flex-start;padding:14px 0;flex-direction:column}nav{padding-bottom:10px}.site-head{position:static}.hero{padding-top:42px}.article h1{font-size:39px}h2{font-size:28px}}