:root {
  --primary: #1a1a2e;
  --secondary: #16213e;
  --accent: #00ced1;
  --highlight: #ff7f50;
  --text: #e6e6e6;
  --light: rgba(255,255,255,0.1);
}
body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--primary);
  margin: 0;
  padding: 0;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
.header {
  text-align: center;
  padding: 60px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  margin-bottom: 40px;
  border-radius: 0 0 20px 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.header h1 {
  font-size: 2.8rem;
  margin: 0;
  background: linear-gradient(90deg, var(--accent), var(--highlight));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.notice {
  background: var(--secondary);
  padding: 15px;
  border-radius: 8px;
  margin: 20px 0;
  text-align: center;
  border-left: 4px solid var(--highlight);
}
.article-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
article {
  background: var(--secondary);
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
article h2 {
  color: var(--accent);
  font-size: 2rem;
  margin-top: 0;
  border-bottom: 2px solid var(--light);
  padding-bottom: 10px;
}
article h3 {
  color: var(--highlight);
  font-size: 1.5rem;
  margin-top: 30px;
}
article p {
  font-size: 1.1rem;
  margin-bottom: 20px;
}
article span {
  color: var(--highlight);
  font-weight: bold;
}
pre {
  background: #0f0f1a;
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 20px 0;
  border-left: 4px solid var(--accent);
}
code {
  font-family: 'Courier New', monospace;
  color: var(--accent);
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--secondary);
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
}
th, td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--light);
}
th {
  background: var(--primary);
  color: var(--accent);
}
tr:hover {
  background: rgba(0,206,209,0.1);
}
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 30px 0;
}
.image-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}
.image-card:hover {
  transform: translateY(-5px);
}
.image-card img {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 768px) {
  .header h1 {
    font-size: 2rem;
  }
  article {
    padding: 20px;
  }
}