:root{--bg:#fbf9f6;--card:#fff;--border:#e6e0d8;--text:#1f2a37;--muted:#6b7280;--accent:#0f766e;--accent-soft:#e6f4f1}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--border);background:#fff}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:16px;flex-wrap:wrap}
.logo{font-weight:700;font-size:1.05rem;color:var(--text)}.logo span{color:var(--accent)}
nav a{margin-left:16px;font-size:.95rem}
main{padding:48px 0 64px}
h1{font-size:2rem;line-height:1.2;margin-bottom:10px}
h2{font-size:1.2rem;margin:32px 0 10px;color:var(--accent)}
p,li{font-size:1rem;margin-bottom:10px}ul{padding-left:22px}
.lead{font-size:1.15rem;color:var(--muted);margin-bottom:28px}
.updated{color:var(--muted);font-size:.9rem;margin-bottom:32px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px}
.card h3{font-size:1.05rem;margin-bottom:6px}
.box{background:var(--accent-soft);border-radius:12px;padding:16px 18px;margin:16px 0}
footer{border-top:1px solid var(--border);padding:24px 0 36px;font-size:.88rem;color:var(--muted)}
footer a{color:var(--muted);text-decoration:underline;margin-right:12px}