body{font-family:Arial,sans-serif;margin:0;background:#f5f7fb;color:#222;line-height:1.6}
.container{max-width:1200px;margin:auto;padding:20px}
.site-header{background:#0f172a;padding:18px 0}
.logo a,nav a{color:#fff;text-decoration:none}
nav a{margin-left:18px}
.hero{background:#fff;border-radius:16px;padding:50px;margin:30px 0;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:#fff;border-radius:14px;padding:24px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:12px;border-bottom:1px solid #ddd;text-align:left}
.btn{display:inline-block;background:#2563eb;color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none}
.footer{padding:30px 0;background:#0f172a;color:#fff;margin-top:50px}
h1,h2,h3{line-height:1.2}