:root{--max:1080px;--pad:16px;--radius:18px}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55;color:#111;background:#fff}
a{color:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
header{position:sticky;top:0;background:#fff;border-bottom:1px solid #eee;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0}
.logo{font-weight:800;letter-spacing:.2px;text-decoration:none}
.menu{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.menu a{text-decoration:none;padding:8px 10px;border-radius:12px}
.menu a:hover{background:#f5f5f5}
.btn{display:inline-block;text-decoration:none;padding:10px 14px;border:1px solid #111;border-radius:14px;font-weight:700}
.btn.primary{background:#111;color:#fff}
main{padding:28px 0}
.hero{padding:18px 0 22px}
.hero h1{font-size:34px;line-height:1.15;margin:0 0 10px}
.hero p{margin:0 0 12px;font-size:18px;max-width:78ch}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 0}
.badge{border:1px solid #eee;border-radius:999px;padding:6px 10px;background:#fafafa}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:16px}
.card{border:1px solid #eee;border-radius:var(--radius);padding:16px;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.card h2{font-size:20px;margin:0 0 10px}
.card p{margin:0 0 10px}
.note{background:#fafafa;border:1px solid #eee;border-radius:16px;padding:14px}
.kv{display:grid;grid-template-columns:160px 1fr;gap:10px;margin:12px 0}
.kv div{padding:8px 10px;border:1px solid #eee;border-radius:14px;background:#fff}
.kv .k{font-weight:700;background:#fafafa}
section{margin-top:18px}
footer{border-top:1px solid #eee;margin-top:28px;padding:18px 0}
small{color:#444}
ul{margin:8px 0 0 18px}
li{margin:6px 0}
form label{display:block;font-weight:700;margin:10px 0 6px}
form input,form textarea{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:12px;font:inherit}
form textarea{min-height:140px;resize:vertical}
form button{margin-top:10px;padding:10px 14px;border:1px solid #111;border-radius:14px;background:#111;color:#fff;font-weight:800;cursor:pointer}
.muted{color:#444}