body {
  margin:0;
  font-family: Arial, sans-serif;
  background:#f5f5f5;
}

.header {
  background:#111;
  color:#fff;
  padding:15px;
  text-align:center;
  font-size:20px;
  font-weight:bold;
}

.container {
  max-width:1200px;
  margin:auto;
  padding:10px;
}

.category {
  background:#fff;
  margin-bottom:20px;
  padding:15px;
  border-radius:10px;
  box-shadow:0 2px 5px rgba(0,0,0,0.1);
}

.category h2 {
  margin:0 0 10px;
}

.news-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(250px,1fr));
  gap:10px;
}

.news-item {
  background:#fafafa;
  padding:10px;
  border-radius:8px;
  transition:0.2s;
}

.news-item:hover {
  background:#eee;
}

.news-item a {
  text-decoration:none;
  color:#333;
  font-size:14px;
}

.more-btn {
  display:block;
  margin-top:10px;
  text-align:right;
}

.more-btn a {
  text-decoration:none;
  background:#111;
  color:#fff;
  padding:6px 12px;
  border-radius:5px;
  font-size:12px;
}

@media(max-width:600px){
  .header {font-size:16px;}
}