:root {
  --primary: #03A9F4;
  --secondary: #673AB7;
  --accent: #00FF00;
  --bg-light: rgba(255, 255, 255, 0.85);
  --bg-dark: rgba(0, 0, 0, 0.85);
  --text-light: #f8f9fa;
  --text-dark: #212529;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', 'Helvetica', sans-serif;
}

body {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-light);
  line-height: 1.6;
  min-height: 100%;
  padding-top: 80px;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--bg-light);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
  z-index: 1000;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 {
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav a:hover {
  color: var(--accent);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 5%;
}

.hero {
  text-align: center;
  padding: 4rem 0;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,255,0,0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
  z-index: -1;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}

.notice {
  background: rgba(255,255,255,0.2);
  padding: 1rem;
  border-radius: 8px;
  margin: 2rem 0;
  text-align: center;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.1);
}

article {
  background: var(--bg-light);
  color: var(--text-dark);
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  margin-bottom: 3rem;
}

article h2 {
  font-size: 2rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

article h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100px;
  height: 3px;
  background: linear-gradient(to right, var(--primary), var(--accent));
}

article h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin: 2rem 0 1rem;
}

article p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

table {
  width: 100%;
  margin: 2rem 0;
  border-collapse: collapse;
  background: rgba(255,255,255,0.9);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

th, td {
  padding: 1rem;
  text-align: left;
}

th {
  background: var(--primary);
  color: white;
}

tr:nth-child(even) {
  background: rgba(3, 169, 244, 0.05);
}

pre {
  background: #f5f5f5;
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 1rem 0;
}

code {
  font-family: 'Courier New', monospace;
  background: #f5f5f5;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.footer {
  text-align: center;
  padding: 2rem;
  background: var(--bg-dark);
  color: var(--text-light);
  margin-top: 3rem;
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    padding: 1rem;
  }
  
  .nav {
    margin-top: 1rem;
    gap: 1rem;
  }
  
  article {
    padding: 2rem;
  }
  
  .gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h2 {
    font-size: 2rem;
  }
  
  article {
    padding: 1.5rem;
  }
  
  th, td {
    padding: 0.75rem;
  }
}