* {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  padding: 0;
  background: #eaf4ff;
  color: #1f3a5f;
}

.faq-container {
  max-width: 800px;
  margin: 60px auto;
  padding: 30px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.faq-container h1 {
  text-align: center;
  margin-bottom: 10px;
  color: #2b6cb0;
}

.faq-intro {
  text-align: center;
  margin-bottom: 30px;
  color: #4a6fa5;
}

.faq-item {
  border-bottom: 1px solid #d6e6f5;
  padding: 15px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item summary {
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  list-style: none;
  color: #2b6cb0;
  position: relative;
  padding-right: 20px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  font-size: 1.3rem;
  color: #2b6cb0;
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin-top: 12px;
  line-height: 1.6;
  color: #355f8a;
}