:root {
  --primary: #7a7265;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: 16px;
}

.card {
  background: var(--card);
  padding: 22px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

h1 {
  text-align: center;
  color: var(--primary);
  margin-bottom: 8px;
}

.updated {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

h2 {
  margin-top: 28px;
  font-size: 18px;
  border-left: 4px solid var(--primary);
  padding-left: 10px;
}

p {
  margin: 10px 0;
}
ul {
  margin: 10px 0 10px 18px;
}
li {
  margin: 6px 0;
}

.box {
  background: #eff6ff;
  padding: 14px;
  border-radius: 10px;
  margin: 15px 0;
}

hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 25px 0;
}

.footer {
  text-align: center;
  margin-top: 25px;
  font-size: 14px;
  color: var(--muted);
}

@media (min-width: 768px) {
  .card {
    padding: 32px;
  }
}