:root{--p:#0f766e;--pd:#134e4a;--pl:#ccfbf1;--t:#0f172a;--m:#64748b;--b:#e2e8f0;--bg:#f8fafc}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--t);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--p)}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--b)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:1080px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--pd);text-decoration:none}
.logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff;display:grid;place-items:center;font-size:16px}
.top nav{display:flex;align-items:center;gap:18px;font-size:14px;font-weight:500}
.top nav a{color:var(--t);text-decoration:none}
.top nav a:hover{color:var(--p)}
.btn-sm{background:var(--p);color:#fff!important;padding:7px 14px;border-radius:8px}
.article{padding-top:28px;padding-bottom:56px}
.crumbs{font-size:13px;color:var(--m);margin-bottom:14px}
.crumbs a{color:var(--m);text-decoration:none}
.crumbs a:hover{color:var(--p)}
h1{font-size:clamp(28px,4.2vw,40px);line-height:1.18;letter-spacing:-.02em;margin:0 0 14px;color:var(--pd)}
h2{font-size:clamp(21px,2.6vw,26px);line-height:1.3;letter-spacing:-.01em;margin:40px 0 12px;color:var(--pd);scroll-margin-top:76px}
h3{font-size:18px;margin:26px 0 8px}
p,li{font-size:16.5px}
.lead{font-size:19px;color:#334155;margin:0 0 8px}
.meta{font-size:13px;color:var(--m);margin:0 0 22px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:18px 0 26px}
.fact{background:var(--bg);border:1px solid var(--b);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:2px}
.fact-v{font-size:22px;font-weight:800;color:var(--p);letter-spacing:-.01em}
.fact-l{font-size:13px;color:var(--m);line-height:1.4}
.toc{background:var(--bg);border:1px solid var(--b);border-radius:12px;padding:16px 20px;margin:8px 0 10px}
.toc strong{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--m)}
.toc ol{margin:8px 0 0;padding-left:20px}
.toc li{font-size:15px;margin:3px 0}
.toc a{text-decoration:none}
.note{border-left:4px solid var(--p);background:#f0fdfa;padding:12px 16px;border-radius:0 10px 10px 0;margin:16px 0}
.warn{border-left:4px solid #d97706;background:#fffbeb;padding:12px 16px;border-radius:0 10px 10px 0;margin:16px 0}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}
th,td{border:1px solid var(--b);padding:9px 12px;text-align:left;vertical-align:top}
th{background:var(--bg);font-weight:600}
.tbl{overflow-x:auto}
.cta{display:flex;gap:20px;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#134e4a,#0f766e);color:#fff;border-radius:16px;padding:22px 26px;margin:44px 0}
.cta p{margin:6px 0 0;font-size:15px;color:#ccfbf1}
.cta strong{font-size:18px}
.btn{background:#fff;color:var(--pd);font-weight:700;text-decoration:none;padding:12px 20px;border-radius:10px;white-space:nowrap}
details{border:1px solid var(--b);border-radius:12px;padding:12px 18px;margin:10px 0;background:#fff}
summary{cursor:pointer;font-weight:600}
details div{margin-top:8px;color:#334155}
details div p{margin:6px 0}
.sources ul{padding-left:20px}
.sources li{font-size:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:10px}
.card{display:flex;flex-direction:column;gap:6px;border:1px solid var(--b);border-radius:14px;padding:16px 18px;text-decoration:none;color:var(--t);transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:0 8px 24px rgba(15,118,110,.12);transform:translateY(-2px)}
.card strong{color:var(--pd);line-height:1.35}
.card span{font-size:14px;color:var(--m);line-height:1.5}
.index .cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.foot{background:var(--pd);color:#ccfbf1;padding:30px 0 22px;font-size:14px}
.foot-in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;max-width:1080px;margin-bottom:14px}
.foot a{color:#fff}
.foot-links{display:flex;gap:16px}
.foot .wrap.small{max-width:1080px}
.muted{color:#99f6e4;opacity:.85}
.small{font-size:12px}
@media (max-width:640px){.top nav a:not(.btn-sm){display:none}.facts{grid-template-columns:1fr 1fr;gap:8px}.fact{padding:10px 12px}.fact-v{font-size:16px}.cta{flex-direction:column;align-items:flex-start}p,li{font-size:16px}}