/* Reset and base styles */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    background: url('https://images.gptkong.com/article/b/943_0.png') no-repeat center center fixed;
    background-size: cover;
    color: #333;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
  }
  a {
    color: #ff6f61;
    text-decoration: none;
    transition: color 0.3s ease;
  }
  a:hover {
    color: #ff3b2e;
  }
  /* Navigation Styles */
  nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.8);
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 1000;
  }
  nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  nav ul li {
    margin: 0 15px;
  }
  nav ul li a {
    font-size: 16px;
    font-weight: 500;
  }
  /* Article Styles */
  article {
    max-width: 900px;
    margin: 100px auto 50px;
    background: rgba(255, 255, 255, 0.85);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  }
  section {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
  }
  section:last-child {
    border-bottom: none;
  }
  h2, h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    position: relative;
    padding-left: 10px;
  }
  h2::before, h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: #ff6f61;
    border-radius: 50%;
  }
  p {
    margin-bottom: 15px;
    font-size: 16px;
    color: #555;
  }
  img {
    display: block;
    max-width: 100%;
    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 ease, box-shadow 0.3s ease;
  }
  img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  }
  /* Responsive Images */
  @media (min-width: 500px) {
    img {
      max-width: 900px;
    }
  }
  @media (max-width: 500px) {
    img {
      max-width: 100%;
    }
  }
  /* Dynamic Background Effects */
  .petal {
    position: absolute;
    top: -10%;
    width: 50px;
    height: 50px;
    background: url('https://images.gptkong.com/article/b/943_3.png') no-repeat center center / contain;
    opacity: 0.8;
    animation: fall 10s linear infinite;
  }
  @keyframes fall {
    0% {
      transform: translateX(0) rotate(0deg);
      opacity: 1;
    }
    100% {
      transform: translateX(100px) translateY(100vh) rotate(360deg);
      opacity: 0;
    }
  }
  /* Add multiple petals */
  body::before, body::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    top: 0;
    left: 0;
    background: transparent;
    overflow: hidden;
  }
  body::before {
    background-image: url('https://images.gptkong.com/article/b/943_1.png'), url('https://images.gptkong.com/article/b/943_2.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: 600px 400px, 600px 400px;
    opacity: 0.3;
    animation: float 20s linear infinite;
  }
  @keyframes float {
    0% { transform: translateY(0) }
    50% { transform: translateY(-20px) }
    100% { transform: translateY(0) }
  }
  /* Footer */
  footer {
    text-align: center;
    padding: 20px;
    color: #777;
    font-size: 14px;
  }