.panel-title a:before {
  content: "+";
  float: left;
  margin-right: 8px;
  font-weight: bold;
}

.panel-title a:not(.collapsed):before {
  content: "-";
}

.panel-heading {
  padding: 6px 10px;
}

.panel-body {
  padding: 8px 12px;
}

.panel-title a {
  font-family: "Dosis", sans-serif;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  display: block;
  padding: 12px 10px;
}

.panel-title a:before {
  font-size: 24px;
  margin-right: 12px;
}

.panel-heading {
  padding: 0;
  background-color: #f7f7f7;
  border-color: #ddd;
}

.panel-body {
  font-size: 16px;
  padding: 18px 20px;
  line-height: 1.6;
}

.panel {
  margin-bottom: 18px;
}

.panel-title {
  margin: 0;
}

.panel-title a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 10px 14px;
  color: #333;
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.panel-title a:hover,
.panel-title a:focus {
  color: #006b8f;
  background-color: #eef7fa;
  text-decoration: none;
  outline: none;
}

.panel-title a::before,
.panel-title a:not(.collapsed)::before {
  content: "" !important;
  display: block;
  box-sizing: border-box;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  float: none;
  margin-right: 0;
  border-radius: 50%;
  background-image: linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor);
  background-position: center, center;
  background-repeat: no-repeat;
  background-size: 12px 2px, 2px 0;
  transition: background-size 0.18s ease;
}

.panel-title a.collapsed::before {
  background-size: 12px 2px, 2px 12px;
}

.accordion-controls {
  margin: 0 0 14px;
  text-align: right;
}

.accordion-controls .book-btn {
  display: inline-block;
  margin: 0;
  padding: 7px 12px;
  border: 0;
  border-radius: 3px;
  font-family: "Dosis", sans-serif;
  font-size: 16px;
  line-height: 1.2;
}