:root {
    --primary-color: #4B6CB7;
    --secondary-color: #182848;
    --accent-color: #f6d365;
    --highlight-color: #fda085;
    --text-light: #ffffff;
    --text-dark: #333333;
    --card-bg: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  }

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

  body {
    font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-attachment: fixed;
    padding-top: 80px;
  }

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

  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(24, 40, 72, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  .logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .nav {
    display: flex;
    gap: 25px;
  }

  .nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
  }

  .nav a:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  .hero {
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(251, 242, 133, 0.1) 0%, transparent 70%);
    z-index: -1;
    animation: pulse 15s infinite alternate;
  }

  @keyframes pulse {
    0% { transform: translate(0, 0); }
    50% { transform: translate(50px, 50px); }
    100% { transform: translate(0, 0); }
  }

  .hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--text-light), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.9;
  }

  .notice {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: var(--border-radius);
    margin: 40px auto;
    max-width: 800px;
    text-align: center;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  article {
    background: rgba(24, 40, 72, 0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px;
    margin: 40px 0;
    box-shadow: var(--box-shadow);
  }

  article h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: var(--accent-color);
    position: relative;
    padding-bottom: 15px;
  }

  article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
    border-radius: 2px;
  }

  article h3 {
    font-size: 24px;
    margin: 30px 0 20px;
    color: var(--text-light);
  }

  article p {
    margin-bottom: 20px;
    font-size: 17px;
    line-height: 1.7;
  }

  pre {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 25px 0;
    overflow-x: auto;
    border-left: 4px solid var(--accent-color);
  }

  code {
    font-family: 'Courier New', monospace;
    color: var(--accent-color);
    font-size: 15px;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    overflow: hidden;
  }

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

  th {
    background: rgba(255, 255, 255, 0.1);
    font-weight: 600;
  }

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

  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin: 40px 0;
  }

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

  .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
  }

  .gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
  }

  .gallery-item:hover img {
    transform: scale(1.03);
  }

  .btn {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
    color: var(--secondary-color);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(251, 210, 101, 0.3);
  }

  .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(251, 210, 101, 0.4);
  }

  .footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    background: rgba(24, 40, 72, 0.8);
    backdrop-filter: blur(5px);
  }

  .footer p {
    opacity: 0.7;
  }

  @media (max-width: 768px) {
    .header-container {
      flex-direction: column;
      gap: 15px;
    }

    .nav {
      flex-wrap: wrap;
      justify-content: center;
    }

    .hero h1 {
      font-size: 36px;
    }

    article {
      padding: 25px;
    }

    article h2 {
      font-size: 28px;
    }

    article h3 {
      font-size: 22px;
    }

    .gallery {
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
  }

  @media (max-width: 480px) {
    .hero h1 {
      font-size: 28px;
    }

    .hero p {
      font-size: 16px;
    }

    article {
      padding: 20px;
    }

    article h2 {
      font-size: 24px;
    }

    article h3 {
      font-size: 20px;
    }

    pre {
      padding: 15px;
    }

    code {
      font-size: 13px;
    }
  }