body{margin:0;font-family:Arial,sans-serif;background:#f6f7fb;color:#1f2937}header{display:flex;justify-content:space-between;align-items:center;padding:16px 28px;background:#111827;color:white}header a{color:white;margin-left:18px;text-decoration:none}main{padding:28px;max-width:1200px;margin:auto}.card{background:white;border-radius:14px;padding:20px;box-shadow:0 8px 24px rgba(0,0,0,.06);margin-bottom:20px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid strong{display:block;font-size:28px;margin-top:8px}.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid #e5e7eb;text-align:left}input,button,.button{padding:10px 14px;border-radius:8px;border:1px solid #d1d5db}.button,button{background:#2563eb;color:white;text-decoration:none;border:0}.hero{max-width:560px;margin:80px auto;text-align:center}@media(max-width:800px){.grid,.two{grid-template-columns:1fr}}