:root {
  --primary-color: #6a11cb;
  --secondary-color: #ff7e5f;
  --accent-color: #feb47b;
  --bg-gradient: linear-gradient(135deg, #1e3c72, #2a5298, #6a11cb);
  --text-color: #333;
  --light-text: #fff;
  --card-bg: #fff;
  --section-padding: 5rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background: var(--bg-gradient);
  overflow-x: hidden;
}

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

.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light-text);
  text-decoration: none;
}

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

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

.nav-links a:hover {
  color: var(--light-text);
}

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

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

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--light-text);
  padding-top: 6rem;
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.notice {
  background: rgba(255, 255, 255, 0.2);
  padding: 1rem;
  border-radius: 8px;
  margin: 2rem 0;
  text-align: center;
  color: var(--light-text);
  font-weight: 500;
}

.section {
  padding: var(--section-padding) 0;
  background: var(--card-bg);
  margin: 3rem 0;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary-color);
  font-size: 2.5rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--secondary-color);
}

article {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

article h2 {
  color: var(--primary-color);
  margin: 2rem 0 1rem;
  font-size: 1.8rem;
}

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

article p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.8;
}

pre {
  background: #2d2d2d;
  color: #f8f8f2;
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

code {
  font-family: 'Courier New', monospace;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

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

tr:nth-child(even) {
  background: #f9f9f9;
}

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

.gallery img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.footer {
  background: rgba(0, 0, 0, 0.8);
  color: var(--light-text);
  padding: 3rem 0;
  text-align: center;
}

.footer p {
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  article {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}