:root{--ink:#1f2a37;--muted:#5b6b7c;--line:#e3e8ee;--accent:#2f6f8f;--bg:#fbfcfd}
*{box-sizing:border-box}html{font-size:16px}
body{margin:0;font-family:Georgia,"Times New Roman",serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header{border-bottom:1px solid var(--line);background:#fff}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;letter-spacing:.02em;color:var(--ink)}
nav ul{list-style:none;display:flex;gap:22px;margin:0;padding:0}
nav a{color:var(--muted);font-size:.95rem}
.hero{padding:72px 0 48px}.hero h1{font-size:2.2rem;margin:0 0 12px;line-height:1.2}
.hero p{max-width:600px;color:var(--muted);font-size:1.1rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin:36px 0}
.card{border:1px solid var(--line);border-radius:8px;padding:20px;background:#fff}
.card h3{margin:0 0 8px;font-size:1.05rem}.card p{margin:0;color:var(--muted);font-size:.95rem}
main{padding:32px 0 56px}main h1{font-size:1.8rem}main h2{font-size:1.25rem;margin-top:32px}
footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:.85rem}
dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px}dt{color:var(--muted)}dd{margin:0}
.btn{display:inline-block;padding:10px 18px;border:1px solid var(--accent);border-radius:6px;margin-top:8px}
@media (max-width:600px){nav{height:auto;flex-direction:column;padding:12px 0;gap:10px}.hero{padding:44px 0 32px}}