:root {
  --max-width: 900px;
  --accent: #0b6efd;
  --muted: #666;
  --bg: #f7f8fb;
  --card: #ffffff;
  --radius: 12px;
  --pad: 20px;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: #111;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 40px 16px;
  display: flex;
  justify-content: center;
}

.wrap {
  width: 100%;
  max-width: var(--max-width);
}

header {
  margin-bottom: 18px;
  text-align: left;
}

h1 {
  margin: 0 0 8px 0;
  font-size: 1.9rem;
  color: var(--accent);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

article {
  background: var(--card);
  border-radius: var(--radius);
  padding: var(--pad);
  box-shadow: 0 6px 18px rgba(11, 6, 45, 0.04);
}

h2 {
  color: #0a2540;
  margin-top: 20px;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

p {
  margin: 0 0 12px 0;
}

a.keyword {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed rgba(11, 110, 253, 0.12);
}

.note {
  background: #f1f8ff;
  padding: 12px;
  border-radius: 8px;
  color: #08356b;
  font-size: 0.95rem;
  margin: 14px 0;
}

footer {
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: right;
}

@media (max-width: 520px) {
  h1 {
    font-size: 1.5rem;
  }
}