:root {
    --primary: #0f2027;
    --secondary: #203a43;
    --accent: #2c5364;
    --text: #f0f0f0;
    --light: rgba(255,255,255,0.8);
    --shadow: 0 10px 30px rgba(0,0,0,0.3);
    --radius: 12px;
    --transition: all 0.3s ease;
  }

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

  body {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    color: var(--text);
    line-height: 1.6;
    min-height: 100%;
    overflow-x: hidden;
    animation: gradientShift 15s ease infinite;
    background-size: 400% 400%;
  }

  @keyframes gradientShift {
    0% { background-position: 0% 50% }
    50% { background-position: 100% 50% }
    100% { background-position: 0% 50% }
  }

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

  header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(15,32,39,0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow);
  }

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

  .logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
  }

  .notice {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    padding: 10px;
    background: rgba(255,255,255,0.2);
    text-align: center;
    font-size: 14px;
    backdrop-filter: blur(5px);
    z-index: 999;
  }

  main {
    padding: 180px 0 80px;
  }

  article {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
  }

  h1, h2, h3, h4 {
    margin: 20px 0;
    line-height: 1.3;
    font-weight: 700;
  }

  h2 {
    font-size: 28px;
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
  }

  h3 {
    font-size: 22px;
    color: var(--light);
  }

  p {
    margin: 15px 0;
    font-size: 17px;
  }

  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
  }

  .image-card {
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  }

  .image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
  }

  .image-card img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius) var(--radius) 0 0;
  }

  .image-card .caption {
    padding: 15px;
    font-size: 14px;
    color: var(--light);
  }

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius);
    padding: 20px;
    margin: 20px 0;
    overflow: auto;
    font-family: 'Courier New', monospace;
    font-size: 15px;
    line-height: 1.5;
    border-left: 4px solid #6a11cb;
  }

  code {
    font-family: 'Courier New', monospace;
    background: rgba(0,0,0,0.2);
    padding: 2px 5px;
    border-radius: 4px;
    font-size: 90%;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    border-radius: var(--radius);
    overflow: hidden;
  }

  th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  th {
    background: rgba(0,0,0,0.2);
    font-weight: 600;
  }

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

  .nav-links {
    display: flex;
    gap: 20px;
  }

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

  .nav-links a:hover {
    color: #6a11cb;
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    transition: var(--transition);
  }

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

  footer {
    background: rgba(15,32,39,0.9);
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
    backdrop-filter: blur(10px);
  }

  .footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 15px;
  }

  .footer-links a {
    color: var(--light);
    text-decoration: none;
    transition: var(--transition);
  }

  .footer-links a:hover {
    color: #6a11cb;
  }

  @media (max-width: 768px) {
    .image-grid {
      grid-template-columns: 1fr;
    }
    
    article {
      padding: 25px;
    }
    
    h2 {
      font-size: 24px;
    }
    
    h3 {
      font-size: 20px;
    }
    
    .nav-links {
      display: none;
    }
  }

  /* Floating elements */
  .floating {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    filter: blur(30px);
    z-index: -1;
    animation: float 15s infinite ease-in-out;
  }

  @keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(50px, 50px) rotate(5deg); }
    50% { transform: translate(0, 100px) rotate(0deg); }
    75% { transform: translate(-50px, 50px) rotate(-5deg); }
  }

  .floating:nth-child(1) {
    top: 20%;
    left: 10%;
    width: 150px;
    height: 150px;
    background: rgba(106,17,203,0.1);
    animation-duration: 20s;
  }

  .floating:nth-child(2) {
    top: 50%;
    right: 15%;
    width: 120px;
    height: 120px;
    background: rgba(37,117,252,0.1);
    animation-duration: 18s;
  }

  .floating:nth-child(3) {
    bottom: 10%;
    left: 20%;
    width: 80px;
    height: 80px;
    background: rgba(44,83,100,0.1);
    animation-duration: 12s;
  }