:root{--bg:#fbfaf7;--ink:#1d1b26;--muted:#5d5a6b;--accent:#ff5a36;--accent2:#2b59ff;--card:#ffffff;--line:#e8e5de}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:var(--accent2)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:var(--card)}
header .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:16px;padding-bottom:16px;flex-wrap:wrap;gap:12px}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--ink)}
.logo span{color:var(--accent)}
nav a{margin-left:18px;text-decoration:none;color:var(--muted);font-weight:500}
nav a:hover{color:var(--ink)}
.hero{padding:72px 0 56px}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.15;margin-bottom:16px}
.hero p{font-size:1.15rem;color:var(--muted);max-width:620px}
.btn{display:inline-block;margin-top:28px;background:var(--accent);color:#fff;padding:12px 22px;border-radius:10px;text-decoration:none;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;padding-bottom:56px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin-bottom:6px}
.card p{color:var(--muted)}
section h2{font-size:1.6rem;margin-bottom:16px}
.block{padding:40px 0;border-top:1px solid var(--line)}
.doc{padding:48px 0 64px}
.doc h1{font-size:2rem;margin-bottom:6px}
.doc .updated{color:var(--muted);margin-bottom:28px}
.doc h2{font-size:1.2rem;margin:28px 0 8px}
.doc p,.doc li{margin-bottom:10px}
.doc ul{padding-left:22px}
.notice{background:#fff4ef;border:1px solid #ffd2c4;border-radius:12px;padding:16px 18px;margin:20px 0}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.92rem;background:var(--card)}
footer a{margin-right:16px}