:root {
    --primary: linear-gradient(135deg, #00FF7F, #00008B, #00BFFF);
    --secondary: #00008B;
    --accent: #00FF7F;
    --light: #FFFFFF;
    --dark: #121212;
    --gray: #808080;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

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

  body {
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
  }

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

  .header {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
  }

  .header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    opacity: 0.2;
    z-index: -1;
  }

  .header-content {
    max-width: 800px;
    padding: 40px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transform: translateY(20px);
    transition: var(--transition);
  }

  .header:hover .header-content {
    transform: translateY(0);
  }

  h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--accent), var(--light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(0, 191, 255, 0.3);
  }

  .tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
  }

  .notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.8);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 255, 127, 0.3);
  }

  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    padding: 15px 0;
    transition: var(--transition);
  }

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

  .nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(to right, var(--accent), var(--light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

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

  .nav-link {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
  }

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

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

  article {
    padding: 100px 0;
  }

  .article-container {
    background: rgba(18, 18, 18, 0.8);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
  }

  h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: var(--accent);
    position: relative;
    padding-bottom: 15px;
  }

  h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
  }

  h3 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: var(--light);
  }

  p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
  }

  pre {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 20px;
    margin: 30px 0;
    overflow: auto;
    border-left: 4px solid var(--accent);
  }

  code {
    font-family: 'Courier New', monospace;
    color: var(--accent);
    font-size: 0.95rem;
  }

  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
  }

  .gallery-item {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
  }

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

  .gallery-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
  }

  .gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 255, 127, 0.2);
  }

  .gallery-item:hover::before {
    opacity: 0.3;
  }

  .gallery-item:hover img {
    transform: scale(1.1);
  }

  .card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
  }

  .card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 255, 127, 0.2);
  }

  .footer {
    text-align: center;
    padding: 50px 0;
    background: rgba(0, 0, 0, 0.5);
    margin-top: 100px;
  }

  @media (max-width: 768px) {
    .header {
      height: auto;
      padding: 100px 0;
    }
    
    .header-content {
      padding: 30px;
    }
    
    h1 {
      font-size: 2rem;
    }
    
    .nav-links {
      gap: 15px;
    }
    
    .article-container {
      padding: 30px;
    }
  }