body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, #002F5D, #0074A7);
  color: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

header {
  text-align: center;
  padding: 20px 10px;
  background: rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 10;
}

header h1 {
  font-size: 2.5rem;
  color: #39FF14;
  margin: 0;
}

header p {
  font-size: 1rem;
  color: #C0C0C0;
  margin: 5px 0 0;
}

.container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  padding: 20px;
  gap: 20px;
}

.card {
  background: #fff;
  color: #002F5D;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  padding: 16px;
  width: calc(33.33% - 40px);
  transition: transform 0.3s ease-in-out;
}

.card:hover {
  transform: translateY(-10px);
}

.card img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 10px;
}

.card h3 {
  font-size: 1.2rem;
  margin: 0 0 10px;
  color: #39FF14;
}

.card p {
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

@media (max-width: 1024px) {
  .card {
    width: calc(50% - 20px);
  }
}

@media (max-width: 768px) {
  .card {
    width: 100%;
  }
}

.article-section {
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 12px;
  margin: 20px;
  backdrop-filter: blur(10px);
}

.article-section h2 {
  color: #39FF14;
  font-size: 2rem;
  margin-bottom: 15px;
}

.article-section h3 {
  color: #39FF14;
  font-size: 1.5rem;
  margin-top: 20px;
}

.article-section pre {
  background: #002F5D;
  color: #39FF14;
  padding: 10px;
  border-radius: 8px;
  overflow-x: auto;
}

.article-section table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
}

.article-section th, .article-section td {
  border: 1px solid #C0C0C0;
  padding: 8px;
  text-align: left;
}

footer {
  text-align: center;
  padding: 10px;
  background: rgba(0, 0, 0, 0.3);
  color: #C0C0C0;
  font-size: 0.9rem;
}