:root {
    --primary-color: #0A2E5C; /* 深蓝色 */
    --secondary-color: #FFFFFF; /* 冰川白 */
    --accent-color-1: #39FF14; /* 霓虹绿 */
    --accent-color-2: #8A2BE2; /* 电光紫 */
    --background-gradient: linear-gradient(135deg, #0A2E5C, #1E3A8A);
    --font-family-primary: 'Roboto Mono', monospace;
    --font-family-secondary: 'Futura', sans-serif;
    --transition-speed: 0.3s;
  }

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

  body {
    font-family: var(--font-family-secondary);
    background: var(--background-gradient);
    color: var(--secondary-color);
    line-height: 1.6;
    padding: 20px;
  }

  header {
    text-align: center;
    padding: 60px 20px;
    background: rgba(10, 46, 92, 0.8);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
  }

  header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center;
    background-size: cover;
    opacity: 0.1;
    transform: rotate(45deg);
  }

  header h1 {
    font-family: var(--font-family-primary);
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: -webkit-linear-gradient(var(--accent-color-1), var(--accent-color-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  header p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
  }

  .container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
  }

  .module {
    flex: 1 1 calc(33.33% - 20px);
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
  }

  .module::before {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--accent-color-1);
    border-radius: 50%;
    top: -20px;
    right: -20px;
    animation: float 6s infinite ease-in-out;
    opacity: 0.5;
  }

  .module h2 {
    font-family: var(--font-family-primary);
    margin-bottom: 15px;
    color: var(--accent-color-2);
  }

  .module p {
    font-size: 1rem;
    color: var(--secondary-color);
  }

  .module img {
    width: 100%;
    border-radius: 8px;
    margin-top: 15px;
  }

  @keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
    100% { transform: translateY(0) rotate(360deg); }
  }

  .code-block {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: var(--font-family-primary);
    margin: 20px 0;
  }

  .code-block code {
    color: #39FF14;
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
  }

  table th, table td {
    padding: 12px;
    border: 1px solid #ffffff33;
    text-align: left;
  }

  table th {
    background: var(--accent-color-2);
  }

  table tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.05);
  }

  .article-section {
    background: rgba(10, 46, 92, 0.8);
    padding: 40px 20px;
    border-radius: 10px;
    margin-top: 40px;
    position: relative;
  }

  .article-section::before {
    content: '示例数据展示';
    position: absolute;
    top: -20px;
    left: 20px;
    background: var(--accent-color-1);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9rem;
    font-family: var(--font-family-primary);
  }

  .article-section h2, .article-section h3, .article-section h4 {
    color: var(--accent-color-2);
    margin-bottom: 15px;
  }

  .article-section p {
    margin-bottom: 15px;
    color: var(--secondary-color);
  }

  .article-section pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 15px;
  }

  .footer {
    text-align: center;
    margin-top: 60px;
    font-size: 1rem;
    color: var(--secondary-color);
  }

  @media (max-width: 1440px) {
    header h1 {
      font-size: 2rem;
    }
    .module {
      flex: 1 1 calc(50% - 20px);
    }
  }

  @media (max-width: 1200px) {
    .module {
      flex: 1 1 calc(50% - 20px);
    }
  }

  @media (max-width: 1024px) {
    header {
      padding: 40px 10px;
    }
    .module {
      flex: 1 1 100%;
    }
  }

  @media (max-width: 768px) {
    .container {
      flex-direction: column;
    }
    .module {
      flex: 1 1 100%;
    }
    header h1 {
      font-size: 1.8rem;
    }
  }

  @media (max-width: 480px) {
    header h1 {
      font-size: 1.5rem;
    }
    .module {
      padding: 15px;
    }
  }

  @media (max-width: 320px) {
    header h1 {
      font-size: 1.2rem;
    }
    .module {
      padding: 10px;
    }
  }

  a {
    color: var(--accent-color-1);
    text-decoration: none;
    transition: color var(--transition-speed);
  }

  a:hover {
    color: var(--accent-color-2);
  }

  .highlight {
    background: rgba(57, 255, 20, 0.2);
    padding: 2px 4px;
    border-radius: 3px;
  }