/* Reset and basic styles */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  html, body {
    height: 100%;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    scroll-behavior: smooth;
  }
  body {
    background: url('https://images.gptkong.com/article/b/952_0.png') no-repeat center center fixed;
    background-size: cover;
    position: relative;
    overflow-x: hidden;
  }
  /* Overlay for better readability */
  body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    z-index: -1;
  }
  /* Navigation styles */
  nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 215, 0, 0.9);
    padding: 10px 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
  }
  nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    transition: color 0.3s ease;
  }
  nav a:hover {
    color: #ff4500;
  }
  /* Main container */
  .container {
    max-width: 1200px;
    margin: 100px auto 50px auto;
    padding: 20px;
  }
  /* Section styles */
  section {
    margin-bottom: 50px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  section:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  }
  section h2, section h3, section h4 {
    margin-bottom: 20px;
    color: #DAA520;
    position: relative;
  }
  section h2::after, section h3::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #ff6347;
    margin-top: 10px;
    border-radius: 2px;
  }
  section p {
    margin-bottom: 20px;
    font-size: 16px;
    color: #555;
  }
  section p img {
    max-width: 900px;
    min-width: 500px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  section p img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  }
  /* Navigation links adjustment */
  @media (max-width: 768px) {
    nav {
      flex-direction: column;
      align-items: center;
    }
    nav a {
      margin: 10px 0;
    }
    section p img {
      min-width: 300px;
    }
  }
  /* Animations for petals */
  @keyframes fall {
    0% { transform: translateY(-10px) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(360deg); opacity: 0.5; }
  }
  .petal {
    position: fixed;
    top: -50px;
    width: 30px;
    height: 30px;
    background: url('https://images.gptkong.com/article/b/952_3.png') no-repeat center center / cover;
    opacity: 0.8;
    animation: fall linear infinite;
    z-index: 500;
  }
  /* Generate multiple petals */
  .petal:nth-child(1) { left: 10%; animation-duration: 10s; }
  .petal:nth-child(2) { left: 20%; animation-duration: 12s; animation-delay: 2s; }
  .petal:nth-child(3) { left: 30%; animation-duration: 14s; animation-delay: 4s; }
  .petal:nth-child(4) { left: 40%; animation-duration: 16s; animation-delay: 6s; }
  .petal:nth-child(5) { left: 50%; animation-duration: 18s; animation-delay: 8s; }
  .petal:nth-child(6) { left: 60%; animation-duration: 20s; animation-delay: 10s; }
  .petal:nth-child(7) { left: 70%; animation-duration: 22s; animation-delay: 12s; }
  .petal:nth-child(8) { left: 80%; animation-duration: 24s; animation-delay: 14s; }
  .petal:nth-child(9) { left: 90%; animation-duration: 26s; animation-delay: 16s; }