body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #fff;
  color: #333;
}

header {
  background: #f4f4f4;
  padding: 1rem;
  text-align: center;
}

nav {
  margin-top: 1rem;
}

nav a {
  margin: 0 0.5rem;
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

main {
  padding: 1rem;
}

.article-card {
  border-bottom: 1px solid #ccc;
  padding: 1rem 0;
}

.article-card h2 {
  margin: 0.5rem 0;
}

.adsense-container {
  margin: 2rem auto;
  text-align: center;
}

/* Mobile responsiveness */
@media (max-width: 600px) {
  nav a {
    display: inline-block;
    margin: 0.3rem;
  }

  body, header, main {
    padding: 0.5rem;
  }
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.tag {
  display: inline-block;
  background-color: #f0f0f0;
  color: #333;
  padding: 4px 8px;
  margin: 4px 4px 4px 0;
  border-radius: 4px;
  font-size: 0.85em;
  text-decoration: none;
}
.tag:hover {
  background-color: #dcdcdc;
}