/* 重置基本样式 */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #0A2463, #6F2EDD);
    color: #ffffff;
    overflow-x: hidden;
    line-height: 1.6;
  }

  header {
    background: rgba(0, 0, 0, 0.6);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  header h1 {
    font-family: 'Roboto', sans-serif;
    font-size: 28px;
    color: #39FF14;
  }

  nav ul {
    list-style: none;
    display: flex;
  }

  nav ul li {
    margin-left: 20px;
  }

  nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
  }

  nav ul li a:hover {
    color: #39FF14;
  }

  .hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    color: #ffffff;
  }

  .hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center/cover;
    opacity: 0.3;
    z-index: -1;
  }

  .hero h2 {
    font-family: 'Roboto', sans-serif;
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease forwards;
  }

  .hero p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 20px;
    animation: fadeInUp 1.2s ease forwards;
  }

  .buttons {
    margin-top: 30px;
  }

  .button-highlight {
    color: white;
    background-color: #39FF14; /* 霓虹绿 */
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 15px;
    text-decoration: none;
    display: inline-block;
  }

  .button-highlight:hover {
    box-shadow: 0 0 10px #39FF14, 0 0 20px #39FF14, 0 0 30px #39FF14;
  }

  .section {
    padding: 60px 40px;
    background: linear-gradient(135deg, #6F2EDD, #0A2463);
  }

  .section h3 {
    font-family: 'Roboto', sans-serif;
    font-size: 28px;
    margin-bottom: 20px;
    color: #ffffff;
    text-align: center;
  }

  .section p {
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto 20px;
  }

  pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #39FF14;
    margin-bottom: 20px;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin: 40px 0;
  }

  table, th, td {
    border: 1px solid #39FF14;
  }

  th, td {
    padding: 12px;
    text-align: left;
  }

  th {
    background-color: rgba(57, 255, 20, 0.2);
  }

  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 40px;
  }

  .gallery img {
    width: 100%;
    border-radius: 8px;
    transition: transform 0.3s ease;
  }

  .gallery img:hover {
    transform: scale(1.05);
  }

  .footer {
    background: rgba(0, 0, 0, 0.7);
    padding: 20px 40px;
    text-align: center;
    color: #ffffff;
  }

  .footer p {
    font-size: 14px;
  }

  /* Animations */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    .hero h2 {
      font-size: 42px;
    }

    .hero p {
      font-size: 17px;
    }
  }

  @media (max-width: 1200px) {
    header {
      padding: 15px 30px;
    }

    header h1 {
      font-size: 24px;
    }

    nav ul li a {
      font-size: 15px;
    }

    .section {
      padding: 50px 30px;
    }

    .section h3 {
      font-size: 26px;
    }
  }

  @media (max-width: 1024px) {
    .hero h2 {
      font-size: 36px;
    }

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

    .button-highlight {
      padding: 10px 20px;
      font-size: 14px;
    }
  }

  @media (max-width: 768px) {
    header {
      flex-direction: column;
      align-items: flex-start;
    }

    nav ul {
      flex-direction: column;
      width: 100%;
    }

    nav ul li {
      margin: 10px 0;
    }

    .hero h2 {
      font-size: 28px;
    }

    .hero p {
      font-size: 14px;
    }

    .section {
      padding: 40px 20px;
    }

    .gallery {
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
  }

  @media (max-width: 480px) {
    header h1 {
      font-size: 20px;
    }

    nav ul li a {
      font-size: 14px;
    }

    .hero h2 {
      font-size: 24px;
    }

    .hero p {
      font-size: 13px;
    }

    .section h3 {
      font-size: 22px;
    }

    pre {
      font-size: 14px;
    }
  }

  @media (max-width: 320px) {
    .hero h2 {
      font-size: 20px;
    }

    .hero p {
      font-size: 12px;
    }

    .section p {
      font-size: 14px;
    }

    pre {
      font-size: 12px;
    }
  }