:root {
    --primary: #0f2027;
    --secondary: #203a43;
    --accent: #00ffff;
    --accent-alt: #bb00ff;
    --text: #ffffff;
    --text-light: #cccccc;
    --card-bg: #2c3e50;
    --chart-bg: #1e2a38;
    --alert-bg: linear-gradient(90deg, #ff7e5f, #feb47b);
    --news-bg: linear-gradient(45deg, #6a11cb, #2575fc);
  }

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

  @font-face {
    font-family: 'Roboto';
    src: local('Roboto Bold'), local('Roboto-Bold');
    font-weight: 700;
  }

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

  body {
    background: linear-gradient(135deg, var(--primary), var(--secondary), #2c5364);
    color: var(--text);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    min-height: 100%;
    overflow-x: hidden;
  }

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

  .design-notice {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    text-align: center;
    margin-bottom: 30px;
    border-radius: 8px;
    border: 1px solid var(--accent);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
  }

  header {
    padding: 30px 0;
    text-align: center;
    position: relative;
  }

  header::after {
    content: '';
    display: block;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    margin: 20px auto;
  }

  h1, h2, h3 {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }

  h1 {
    font-size: 2.5rem;
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
  }

  h2 {
    font-size: 1.8rem;
    color: var(--accent);
    position: relative;
    padding-bottom: 10px;
  }

  h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-alt);
    border-radius: 3px;
  }

  h3 {
    font-size: 1.4rem;
    color: var(--text-light);
    margin-top: 30px;
  }

  p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-light);
  }

  article {
    padding: 40px 0;
  }

  .grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
  }

  .card {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
  }

  .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 255, 255, 0.2);
  }

  .card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px 15px 0 0;
  }

  .card-content {
    padding: 20px;
  }

  .card-content h3 {
    margin-top: 0;
  }

  pre {
    background: #1a1a1a;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    overflow: auto;
    border-left: 4px solid var(--accent);
  }

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

  .language-css {
    color: #f8f8f2;
  }

  .chart-container {
    margin: 40px 0;
  }

  .chart {
    position: relative;
    width: 100%;
    height: 300px;
    background: var(--chart-bg);
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0;
    padding: 20px;
  }

  .chart-bar {
    position: absolute;
    bottom: 20px;
    width: 20px;
    background: var(--accent);
    animation: grow 2s ease-in-out infinite;
  }

  @keyframes grow {
    0% { height: 10%; }
    50% { height: 100%; }
    100% { height: 10%; }
  }

  .security-alert {
    background: var(--alert-bg);
    padding: 15px;
    border-radius: 5px;
    color: #ffffff;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin: 20px 0;
  }

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

  .latest-news {
    background: var(--news-bg);
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s;
    margin: 20px 0;
  }

  .latest-news:hover {
    transform: scale(1.02);
  }

  .asset-management {
    position: relative;
    background: #34495e;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
  }

  .asset-management::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: rgba(0, 255, 255, 0.1);
    z-index: -1;
    border-radius: 15px;
  }

  ol {
    margin-left: 20px;
    margin-bottom: 20px;
  }

  ol li {
    margin-bottom: 15px;
  }

  .navbar {
    display: flex;
    justify-content: center;
    background: rgba(26, 26, 26, 0.8);
    padding: 15px 0;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .navbar a {
    color: var(--text-light);
    text-decoration: none;
    margin: 0 20px;
    position: relative;
    transition: color 0.3s;
    font-weight: 500;
  }

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

  .navbar a:hover {
    color: var(--accent);
  }

  .navbar a:hover::after {
    width: 100%;
  }

  .footer {
    background: rgba(26, 26, 26, 0.8);
    padding: 30px 0;
    text-align: center;
    color: #777777;
    margin-top: 50px;
    backdrop-filter: blur(10px);
  }

  .footer p {
    margin-bottom: 10px;
  }

  .social-icons {
    margin-top: 20px;
  }

  .social-icons a {
    display: inline-block;
    margin: 0 15px;
    color: var(--accent);
    font-size: 1.5rem;
    transition: color 0.3s;
  }

  .social-icons a:hover {
    color: var(--accent-alt);
  }

  @media (max-width: 768px) {
    .grid-container {
      grid-template-columns: 1fr;
    }
    
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.5rem;
    }
    
    .navbar {
      flex-wrap: wrap;
    }
    
    .navbar a {
      margin: 5px 10px;
    }
  }