:root{--blue:#1d6fa5;--accent:#0e9aa7;--ink:#1f2937;--muted:#5b6573;--bg:#f5f9fb;--card:#fff;--line:#e3eaf0}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;flex-wrap:wrap}
.brand{font-weight:700;font-size:21px;color:var(--blue);letter-spacing:-.3px}
.brand span{color:var(--accent)}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;font-size:15px}
.article{max-width:760px;margin:0 auto;padding:0 20px}
.crumb{font-size:14px;color:var(--muted);padding:24px 0 0}
.tag{display:inline-block;background:#e4f3f5;color:var(--accent);font-size:12px;font-weight:600;padding:3px 11px;border-radius:999px;margin:18px 0 6px}
h1.title{font-size:32px;line-height:1.25;margin:6px 0 8px;letter-spacing:-.5px}
.meta{color:var(--muted);font-size:14px;margin:0 0 18px}
.lede{font-size:19px;color:#374151;margin:0 0 22px}
.hero-art{height:220px;border-radius:14px;margin:0 0 26px;background:linear-gradient(135deg,#d4ecf7,#c3e7d8)}
.article h2{font-size:23px;margin:30px 0 8px}
.article h3{font-size:19px;margin:22px 0 6px}
.article p{margin:0 0 16px}
.article ul,.article ol{margin:0 0 18px;padding-left:22px}
.article li{margin:0 0 8px}
.callout{background:#eef4f8;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:16px 18px;margin:22px 0;color:#374151}
.disclaimer{font-size:13px;color:var(--muted);background:#f0f5f8;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:28px 0 10px}
.related{margin:34px 0 10px}
.related h2{font-size:20px;margin:0 0 12px}
.related ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.related li{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px}
.related li a{font-weight:600}
.related li span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px;padding:8px 0 40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.card .body{padding:20px}
.card h3{margin:0 0 8px;font-size:19px}
.card p{margin:0 0 14px;color:var(--muted);font-size:15px}
.thumb{height:140px;background:linear-gradient(135deg,#d4ecf7,#c3e7d8)}
.page{max-width:760px;margin:0 auto;padding:10px 20px 30px}
.page h1{font-size:30px;margin:26px 0 12px}
.page h2{font-size:21px;margin:26px 0 8px}
.page p{margin:0 0 14px;color:#374151}
.field{display:block;margin:0 0 14px}
.field label{display:block;font-weight:600;margin:0 0 5px;font-size:15px}
.field input,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font:inherit;background:#fff}
.btn{display:inline-block;background:var(--blue);color:#fff;border:none;border-radius:9px;padding:12px 22px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:#175a86;text-decoration:none}
footer{background:var(--card);border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:14px;margin-top:30px}
.foot{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between}
.foot a{color:var(--muted)}
@media(max-width:680px){h1.title{font-size:27px}}