* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #f0f2f5;
}

.container {
  width: 90%;
  max-width: 600px;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

h2 {
  color: #1a1a1a;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  text-align: center;
}

.accordion-item {
  background: white;
  margin-bottom: 1rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e1e1e1;
}

.accordion-button {
  width: 100%;
  padding: 1rem;
  background: #4a90e2;
  color: white;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: 0.3s ease;
}

.accordion-button:hover {
  background: #357abd;
}

.accordion-content {
  max-height: 0;
  padding: 0 1rem;
  background: white;
  overflow: hidden;
  transition: all 0.3s ease-out;
}

.accordion-content p {
  padding: 1rem 0;
  color: #666;
  line-height: 1.5;
}

.arrow {
  transition: transform 0.3s ease;
}

.active .arrow {
  transform: rotate(180deg);
}

.active .accordion-content {
  max-height: 200px;
}