body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  margin: 0;
  background: #f7f9fb;
  color: #1a1a1a;
  line-height: 1.6;
}

.container {
  max-width: 860px;
  margin: auto;
  padding: 24px;
}

header {
  background: white;
  border-bottom: 1px solid #e6e6e6;
}

.site-title {
  font-size: 28px;
  font-weight: 700;
  text-decoration: none;
  color: #111;
}

.intro {
  margin-top: 10px;
  color: #555;
}

.article-card {
  background: white;
  padding: 20px;
  margin-top: 18px;
  border-radius: 10px;
  border: 1px solid #ececec;
}

.article-card a {
  font-size: 20px;
  font-weight: 600;
  text-decoration: none;
  color: #0a58ca;
}

footer {
  margin-top: 40px;
  padding: 20px;
  font-size: 14px;
  color: #666;
  text-align: center;
}