:root{--bg:#f7f9fc;--fg:#14213d;--muted:#5b6b85;--brand:#1f5fad;--card:#fff;--line:#e3e8f0}
@media (prefers-color-scheme:dark){:root{--bg:#0f1724;--fg:#e8eef8;--muted:#9fb0c8;--brand:#6aa5ff;--card:#172235;--line:#26344d}}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--brand)}.wrap{max-width:960px;margin:0 auto;padding:0 16px}
header{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.logo{font-weight:800;font-size:22px;text-decoration:none;color:var(--fg)}.logo span{color:var(--brand)}
nav a{margin-left:16px;text-decoration:none;color:var(--muted)}
.hero{padding:48px 0 32px;text-align:center}.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.15;margin:0 0 16px}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0 auto 28px}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:14px 26px;border-radius:12px;text-decoration:none;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:32px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}.card h3{margin:0 0 6px}
.card p{margin:0;color:var(--muted)}.privacy{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;margin:32px 0}
footer{border-top:1px solid var(--line);margin-top:48px;padding:24px 0;color:var(--muted);font-size:14px}
footer a{color:var(--muted);margin-right:16px}.legal h1{margin-top:8px}.legal h2{margin-top:32px;font-size:20px}
.note{background:#fff4d6;color:#5a4300;padding:12px 16px;border-radius:10px;font-size:14px}