body { font-family: Arial, sans-serif; line-height: 1.6; margin: 0; background: #f9f9f9; color: #333; }
.container { max-width: 900px; margin: 0 auto; padding: 20px; }
header { background: #004d40; color: #fff; padding: 10px 0; }
header h1 { margin: 0; font-size: 1.8em; }
header h1 a { color: #a5d6a7; text-decoration: none; }
nav ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 15px; }
nav ul li { display: inline; }
nav ul li a { color: #a5d6a7; text-decoration: none; font-weight: bold; }
nav ul li a:hover { text-decoration: underline; }
main h2, main h3 { color: #004d40; }
article { background: #fff; padding: 15px; margin-bottom: 20px; border-radius: 5px; box-shadow: 0 0 5px rgba(0,0,0,0.1); }
footer { background: #263238; color: #ccc; text-align: center; padding: 15px 0; margin-top: 40px; font-size: 0.9em; }
footer nav ul { justify-content: center; display: flex; gap: 10px; }
footer nav ul li a { color: #90a4ae; text-decoration: none; }
footer nav ul li a:hover { text-decoration: underline; }
form label { font-weight: bold; margin-top: 10px; display: block; }
form input[type="text"], form input[type="email"], form textarea { width: 100%; padding: 8px; margin-top: 5px; border: 1px solid #ccc; border-radius: 4px; }
form button { margin-top: 10px; padding: 10px 20px; background-color: #004d40; color: white; border: none; border-radius: 4px; cursor: pointer; }
form button:hover { background-color: #00695c; }
.featured article { margin-bottom: 30px; }
.latest-news ul { list-style: none; padding-left: 0; }
.latest-news ul li { margin-bottom: 8px; }
.editorial-note { font-style: italic; margin-top: 30px; background: #e0f2f1; padding: 10px; border-left: 4px solid #004d40; }
@media (max-width: 600px) {
  nav ul { flex-direction: column; gap: 8px; }
  header h1 { text-align: center; }
}