body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

.subtitle {
  margin: 0 0 24px;
  color: #94a3b8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  display: block;
  padding: 20px;
  border-radius: 16px;
  text-decoration: none;
  background: #1e293b;
  color: #e2e8f0;
  border: 1px solid #334155;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.card:hover {
  border-color: #60a5fa;
  transform: translateY(-2px);
}

.port {
  font-size: 14px;
  color: #93c5fd;
  margin-bottom: 8px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.card p {
  margin: 0 0 10px;
  color: #cbd5e1;
}

.card span {
  display: block;
  font-size: 13px;
  color: #94a3b8;
  word-break: break-all;
}

.card code {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  color: #7dd3fc;
  word-break: break-all;
}