:root {
  --primary: #1e3c72;
  --secondary: #2a5298;
  --accent: #00d4ff;
  --text: #ffffff;
  --glass: rgba(255, 255, 255, 0.15);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.header:hover {
  background: rgba(0, 0, 0, 0.7);
}

.notice {
  background: var(--glass);
  padding: 1rem;
  border-radius: 10px;
  margin: 1rem 0;
  text-align: center;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.container {
  max-width: 1200px;
  margin: 100px auto 50px;
  padding: 0 2rem;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 4rem;
}

.hero-text h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(to right, var(--accent), #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

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

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

.hero-image:hover img {
  transform: scale(1.05);
}

.card {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

h2, h3, h4 {
  color: var(--accent);
  margin-top: 2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

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

pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem;
  border-radius: 10px;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  border-left: 4px solid var(--accent);
  margin: 1.5rem 0;
}

code {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

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

.gallery-item {
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

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

.gallery-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--glass);
  backdrop-filter: blur(5px);
  border-radius: 10px;
  overflow: hidden;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

th {
  background: rgba(0, 0, 0, 0.3);
  color: var(--accent);
}

tr:hover {
  background: rgba(255, 255, 255, 0.05);
}

.button {
  display: inline-block;
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  margin: 1rem 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  background: linear-gradient(45deg, var(--secondary), var(--primary));
}

.footer {
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
}

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

.nav-links a {
  color: white;
  text-decoration: none;
  position: relative;
  padding: 0.5rem 0;
}

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

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

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    display: none;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  pre {
    padding: 1rem;
    font-size: 0.9rem;
  }
  
  .gallery {
    grid-template-columns: 1fr;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

.particle {
  position: absolute;
  background: white;
  border-radius: 50%;
  opacity: 0.5;
  animation: particleMove linear infinite;
}

@keyframes particleMove {
  from {
    transform: translateY(0) translateX(0);
  }
  to {
    transform: translateY(-1000px) translateX(200px);
  }
}