* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  background: #ffffff;
  color: #111;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 16px;
}

.site-header {
  border-bottom: 1px solid #eee;
  background: #fff;
}

.logo {
  font-weight: 700;
  text-decoration: none;
  color: #111;
}

.nav a {
  margin-left: 12px;
  text-decoration: none;
  color: #333;
}

.hero {
  padding: 24px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 16px;
  text-decoration: none;
  color: #111;
}

.article-list li {
  margin: 12px 0;
}

.site-footer {
  border-top: 1px solid #eee;
  margin-top: 40px;
  padding: 16px 0;
}

.meta {
  font-size: 0.9rem;
  color: #666;
}