:root {
  --sky-top: #7cc8f5;
  --sky-bottom: #d9f1ff;
  --ink: #1d3557;
  --ink-soft: #4a6283;
  --accent: #ff7043;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Fredoka", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: linear-gradient(var(--sky-top), var(--sky-bottom)) fixed;
  line-height: 1.6;
}
main {
  max-width: 760px;
  margin: 32px auto;
  padding: 32px 28px 40px;
  background: var(--card);
  border-radius: 28px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}
@media (max-width: 800px) {
  main { margin: 16px; padding: 24px 18px 32px; }
}
h1 { color: var(--accent); font-size: 2.1rem; margin: 0 0 4px; line-height: 1.2; }
h2 { font-size: 1.25rem; margin: 28px 0 6px; }
p, li { color: var(--ink-soft); font-size: 1.02rem; }
.updated { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 20px; }
a { color: #1e88e5; }
nav { margin-top: 28px; padding-top: 16px; border-top: 2px solid #e8eef6; font-size: 0.95rem; }
nav a { margin-right: 18px; }
ul { padding-left: 22px; }