:root {
    --primary: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    --secondary: rgba(255, 255, 255, 0.1);
    --accent: #12c2e9;
    --text: #ffffff;
    --dark: #141e30;
    --light: #f8f9fa;
    --border-radius: 12px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }

  @font-face {
    font-family: 'Roboto';
    src: local('Roboto'), local('Roboto-Regular');
    font-weight: 400;
    font-display: swap;
  }

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

  body {
    font-family: 'Roboto', sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--primary);
    overflow-x: hidden;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* Header Styles */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    box-shadow: var(--shadow);
  }

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

  .logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(to right, #12c2e9, #c471ed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
  }

  .nav {
    display: flex;
    gap: 30px;
  }

  .nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
  }

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

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

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

  /* Hero Section */
  .hero {
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(106, 17, 203, 0.3) 0%, rgba(37, 117, 252, 0) 70%);
    z-index: -1;
    animation: pulse 15s infinite alternate;
  }

  @keyframes pulse {
    0% {
      transform: scale(0.8);
      opacity: 0.5;
    }
    100% {
      transform: scale(1.2);
      opacity: 0.8;
    }
  }

  .hero-title {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(to right, #ffffff, #c471ed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-subtitle {
    font-size: 20px;
    max-width: 700px;
    margin: 0 auto 40px;
    color: rgba(255, 255, 255, 0.8);
  }

  .notice {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: var(--border-radius);
    margin: 40px auto;
    max-width: 800px;
    border-left: 4px solid var(--accent);
    animation: fadeIn 1s ease-out;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Article Styles */
  .article-container {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px;
    margin: 60px auto;
    box-shadow: var(--shadow);
    max-width: 900px;
  }

  article h2 {
    font-size: 32px;
    margin: 40px 0 20px;
    color: var(--accent);
    position: relative;
    padding-bottom: 10px;
  }

  article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, #12c2e9, #c471ed);
    border-radius: 3px;
  }

  article h3 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: #c471ed;
  }

  article p {
    margin-bottom: 20px;
    font-size: 17px;
    line-height: 1.8;
  }

  article strong {
    color: var(--accent);
  }

  /* Code Block Styles */
  pre {
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 30px 0;
    overflow: auto;
    border-left: 4px solid var(--accent);
  }

  code {
    font-family: 'Courier New', monospace;
    color: #f8f8f2;
    font-size: 15px;
  }

  /* Image Gallery */
  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 40px 0;
  }

  .gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
  }

  .gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  }

  .gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
  }

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

  /* Footer */
  .footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
  }

  /* Animations */
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }

  .animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Responsive */
  @media (max-width: 768px) {
    .hero-title {
      font-size: 36px;
    }
    
    .hero-subtitle {
      font-size: 18px;
    }
    
    .nav {
      gap: 15px;
    }
    
    .article-container {
      padding: 30px;
    }
    
    article h2 {
      font-size: 28px;
    }
    
    article h3 {
      font-size: 22px;
    }
  }

  @media (max-width: 480px) {
    .hero-title {
      font-size: 28px;
    }
    
    .nav {
      flex-direction: column;
      gap: 10px;
      align-items: flex-end;
    }
    
    .article-container {
      padding: 20px;
    }
    
    article h2 {
      font-size: 24px;
    }
  }