body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: #1f2937;
  background: linear-gradient(135deg, #fff7f2, #eef7ff);
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 44px 22px;
}

h1 {
  font-size: 36px;
  margin: 0 0 8px;
}

h2 {
  margin-top: 30px;
}

p,
li {
  line-height: 1.75;
  color: #4b5563;
}

a {
  color: #ff3b30;
  font-weight: 700;
  text-decoration: none;
}

.card {
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, .08);
}

.links {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.muted {
  color: #6b7280;
}