* {
  margin: 0;
  padding: 0;
}

/* Topic Page Styles */
#main-content {
  width: 90%;
  max-width: 1200px;
  margin: 100px auto 40px;
  padding: 20px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.topic-detail {
  padding: 20px;
}

.topic-detail h1 {
  font-size: 3rem;
  color: #21a1f1;
  margin-bottom: 20px;
}

.topic-detail img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.topic-detail p,
.topic-detail ul {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.topic-detail ul {
  list-style: disc inside;
}