/* 引入Roboto字体 */
  @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

  /* 全局样式 */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0F2027, #203A43, #2C5364);
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  a {
    color: #B39CD0;
    text-decoration: none;
    transition: color 0.3s ease;
    rel: "nofollow";
  }

  a:hover {
    color: #84A9AC;
  }

  header {
    padding: 20px;
    text-align: center;
    background: rgba(15, 32, 39, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
  }

  header h1 {
    font-size: 2rem;
    color: #B39CD0;
  }

  main {
    flex: 1;
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
  }

  section h2 {
    color: #84A9AC;
    margin-bottom: 15px;
    font-size: 1.5rem;
  }

  section h3 {
    color: #B39CD0;
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.3rem;
  }

  section h4 {
    color: #ffffff;
    margin-top: 15px;
    margin-bottom: 8px;
    font-size: 1.1rem;
  }

  p {
    margin-bottom: 15px;
    color: #D1E8E4;
  }

  ul, ol {
    margin-left: 20px;
    margin-bottom: 15px;
  }

  li {
    margin-bottom: 10px;
    color: #E0F7FA;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
  }

  table, th, td {
    border: 1px solid #84A9AC;
  }

  th, td {
    padding: 10px;
    text-align: left;
    color: #ffffff;
  }

  pre {
    background: rgba(0, 0, 0, 0.6);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 15px;
  }

  code {
    color: #B39CD0;
    font-family: 'Courier New', Courier, monospace;
  }

  .card {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .card:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  }

  .icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #B39CD0, #84A9AC);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 24px;
    margin-bottom: 10px;
  }

  img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
  }

  footer {
    padding: 20px;
    text-align: center;
    background: rgba(15, 32, 39, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 -2px 4px rgba(0,0,0,0.5);
    color: #D1E8E4;
  }

  /* 响应式设计 */
  @media (min-width: 320px) {
    body {
      padding: 10px;
    }

    header h1 {
      font-size: 1.5rem;
    }

    section h2 {
      font-size: 1.3rem;
    }
  }

  @media (min-width: 480px) {
    header h1 {
      font-size: 1.8rem;
    }

    section h2 {
      font-size: 1.4rem;
    }
  }

  @media (min-width: 768px) {
    main {
      grid-template-columns: 1fr 1fr;
    }

    header h1 {
      font-size: 2rem;
    }
  }

  @media (min-width: 1024px) {
    main {
      grid-template-columns: 2fr 1fr;
    }

    section {
      padding: 25px;
    }
  }

  @media (min-width: 1200px) {
    header h1 {
      font-size: 2.5rem;
    }

    section h2 {
      font-size: 1.6rem;
    }
  }

  @media (min-width: 1440px) {
    body {
      padding: 20px;
    }

    header h1 {
      font-size: 3rem;
    }

    section h2 {
      font-size: 1.8rem;
    }
  }

  /* 动画效果 */
  .button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #B39CD0;
    color: #ffffff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.2);
    background-color: #84A9AC;
  }

  .parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 400px;
    border-radius: 15px;
    margin-bottom: 20px;
  }

  .parallax.section1 {
    background-image: url('https://images.gptkong.com/demo/sample1.png');
  }

  .parallax.section2 {
    background-image: url('https://images.gptkong.com/demo/sample2.png');
  }

  .avatar {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px auto;
    animation: float 6s ease-in-out infinite;
  }

  @keyframes float {
    0%, 100% {
      transform: translatey(0);
    }
    50% {
      transform: translatey(-20px);
    }
  }