:root { --bg:#f8fafc; --ink:#0f172a; --muted:#475569; --brand:#2563eb; --card:#ffffff; }
*{box-sizing:border-box} body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.container{max-width:920px;margin:0 auto;padding:24px}
nav{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0}
nav .container{display:flex;gap:16px;align-items:center;justify-content:space-between}
a{color:var(--brand);text-decoration:none}
.menu a{margin-right:12px}
.hero{padding:40px 0}
.card{background:var(--card);border:1px solid #e5e7eb;border-radius:12px;padding:16px;margin:12px 0;box-shadow:0 1px 2px rgba(0,0,0,0.04)}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;background:var(--brand);color:#fff}
label{display:block;margin:8px 0 4px}
input,textarea,select,button{font:inherit}
input,textarea,select{width:100%;padding:10px;border:1px solid #e5e7eb;border-radius:10px;background:#fff}
button{padding:10px 14px;border:none;border-radius:10px;background:var(--brand);color:#fff;cursor:pointer}
.list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.small{color:var(--muted);font-size:14px}
footer{margin:48px 0 24px;text-align:center;color:var(--muted);font-size:14px}