:root{--ink:#14213d;--muted:#55607a;--line:#e3e7ef;--bg:#ffffff;--soft:#f5f7fb;--accent:#1f5eff;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--accent)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;font-size:20px;letter-spacing:.2px;color:var(--ink);text-decoration:none}
.logo span{color:var(--accent)}
nav a{color:var(--muted);text-decoration:none;font-size:15px;margin-left:18px}
.hero{padding:72px 0 56px}
.hero h1{font-size:clamp(28px,5vw,42px);line-height:1.15;margin:0 0 16px;max-width:720px}
.hero p{font-size:18px;color:var(--muted);max-width:640px;margin:0}
.tag{display:inline-block;font-size:13px;font-weight:600;color:var(--accent);background:#eaf0ff;border-radius:999px;padding:4px 12px;margin-bottom:18px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;padding:8px 20px 56px}
.card{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:22px}
.card h2{font-size:18px;margin:0 0 8px}
.card p{margin:0;color:var(--muted);font-size:15px}
.band{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.band h2{margin:0 0 8px;font-size:22px}
.band p{margin:0;color:var(--muted)}
footer{padding:28px 0 40px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
.doc{padding:48px 0 64px;max-width:760px}
.doc h1{font-size:30px;margin:0 0 6px}
.doc .date{color:var(--muted);margin:0 0 28px}
.doc h2{font-size:19px;margin:32px 0 8px}
.doc p,.doc li{color:#2b3550}