* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 800px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  padding: 40px;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

h1 {
  font-size: 2.5rem;
  color: #2c3e50;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #3498db, #8e44ad);
  border-radius: 2px;
}

.subtitle {
  color: #7f8c8d;
  font-size: 1.1rem;
  margin-top: 20px;
}

.accordion {
  width: 100%;
}

.accordion-item {
  margin-bottom: 16px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid #eaeaea;
  background: white;
  transition: all 0.3s ease;
}

.accordion-item:hover {
  border-color: #d5d5d5;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.accordion-item.active {
  border-color: #3498db;
}

.accordion-header {
  padding: 20px 60px 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #2c3e50;
  cursor: pointer;
  position: relative;
  background: #f9f9f9;
  transition: background 0.3s ease;
}

.accordion-item.active .accordion-header {
  background: #f0f7ff;
  color: #2980b9;
}

.accordion-header::after {
  content: '+';
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 300;
  color: #3498db;
  transition: all 0.3s ease;
}

.accordion-item.active .accordion-header::after {
  content: '-';
  color: #e74c3c;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 25px;
  background: white;
  color: #555;
  line-height: 1.6;
}

.accordion-content-inner {
  padding: 0 0 25px;
}

.faq-count {
  display: inline-block;
  background: #3498db;
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  margin-top: 15px;
}

@media (max-width: 600px) {
  .container {
    padding: 25px;
  }

  h1 {
    font-size: 2rem;
  }

  .accordion-header {
    padding: 18px 50px 18px 20px;
    font-size: 1.1rem;
  }

  .accordion-header::after {
    right: 20px;
  }
}