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

  /* Body styling with gradient background */
  body {
    font-family: "宋体", serif;
    background: linear-gradient(to bottom, #FAF3E0 0%, #A8D5BA 100%);
    color: #333333;
    line-height: 1.6;
    padding: 20px;
  }

  /* Navigation bar styling */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(to right, #FF6F61, #FFD700);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  .navbar a {
    color: #FFD700;
    text-decoration: none;
    margin: 0 15px;
    font-size: 16px;
    transition: color 0.3s, border-bottom 0.3s;
    position: relative;
  }

  .navbar a:hover {
    color: #FFFFFF;
    border-bottom: 2px solid #FFD700;
  }

  .navbar .logo {
    font-size: 20px;
    font-weight: bold;
    color: #FFFFFF;
    text-shadow: 0 0 5px rgba(0,0,0,0.3);
  }

  /* Responsive navigation */
  @media (max-width: 768px) {
    .navbar {
      flex-direction: column;
      align-items: flex-start;
    }

    .navbar a {
      margin: 10px 0;
    }
  }

  /* Main content styling */
  .content {
    max-width: 1200px;
    margin: 100px auto 50px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  }

  /* Section styling */
  .content section {
    margin-bottom: 50px;
    padding-bottom: 20px;
    border-bottom: 2px solid linear-gradient(to right, #FF6F61, #A8D5BA);
  }

  /* Headings */
  h2, h3, h4 {
    color: #FF6F61;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
  }

  h2 {
    font-size: 24px;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(255,111,97,0.2);
    transition: transform 0.3s, text-shadow 0.3s;
  }

  h2:hover {
    transform: scale(1.05);
    text-shadow: 0 0 10px rgba(255,111,97,0.4);
  }

  h3 {
    font-size: 20px;
    font-weight: 600;
    transition: transform 0.3s, color 0.3s;
  }

  h3:hover {
    transform: scale(1.05);
    color: #FF5733;
  }

  h4 {
    font-size: 18px;
    font-weight: 500;
    transition: transform 0.3s, color 0.3s;
  }

  h4:hover {
    transform: scale(1.05);
    color: #FF5733;
  }

  /* Paragraphs */
  p {
    margin-bottom: 20px;
    font-size: 16px;
    color: #333333;
  }

  /* Images styling */
  .content img {
    display: block;
    max-width: 900px;
    min-width: 500px;
    width: 100%;
    height: auto;
    margin: 20px auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
  }

  .content img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  }

  /* Links styling */
  a {
    color: #FFD700;
    text-decoration: none;
    position: relative;
    transition: color 0.3s;
  }

  a:hover {
    color: #FF6F61;
  }

  /* Smooth scrolling */
  html {
    scroll-behavior: smooth;
  }

  /* Footer styling */
  footer {
    text-align: center;
    padding: 20px;
    background: #FAF3E0;
    color: #333333;
    font-size: 14px;
    border-top: 1px solid #E0E0E0;
  }

  /* Decorative elements */
  .separator {
    height: 2px;
    background: linear-gradient(to right, #FF6F61, #A8D5BA);
    margin: 40px 0;
    border: none;
  }
