body {
  margin: 0;
  background: #f7f8fb;
  color: #1f2937;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.7;
}

header {
  padding: 34px 20px;
  background: #8b1e3f;
  color: #ffffff;
  text-align: center;
}

header h1 { margin: 0; }

main {
  max-width: 880px;
  margin: 40px auto;
  padding: 40px;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
}

h2 { color: #8b1e3f; }
a { color: #8b1e3f; }
.back-link { font-weight: 700; text-decoration: none; }
.updated { padding: 12px 16px; border-radius: 8px; background: #f3f4f6; }
footer { padding: 28px 20px; color: #64748b; text-align: center; }

@media (max-width: 700px) {
  main { margin: 20px; padding: 24px; }
}