.calc-substeps {
  width: 100%;
  margin: 18px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-substep {
  width: 100%;
  border: 1px solid #d9d9d9;
  border-radius: 12px;
  background: #ffffff;
  overflow: hidden;
}

.calc-substep-toggle {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 0;
  background: #f3f6fb;
  color: #111827;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
}

.calc-substep-toggle:hover {
  background: #e8eef8;
}

.calc-substep-toggle:focus-visible {
  outline: 3px solid rgba(0, 123, 255, 0.35);
  outline-offset: -3px;
}

.calc-substep-toggle-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.calc-substep-body {
  padding: 18px 16px;
  border-top: 1px solid #d9d9d9;
  background: #ffffff;
}

.calc-substep-block {
  width: 100%;
}

.calc-substep-block-title {
  font-size: 16px;
  font-weight: bold;
  margin: 15px 0;
  text-align: center;
  background-color: transparent;
}

.calc-substep-divider {
  border-top: 1px solid #ddd;
  margin: 18px 0;
}

.calc-substep-summary {
  margin: 0 0 16px;
}

.calc-substep-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.calc-substep-step {
  width: 100%;
}

.calc-substep-step-title {
  font-size: 16px;
  font-weight: bold;
  margin: 15px 0;
  text-align: center;
  background-color: transparent;
}

.calc-substep .main-paragraph {
  margin: 20px 0;
}

.calc-substep .step-answer {
  margin: 20px 0;
}

.calc-substep .guide-content ol,
.calc-substep .guide-content ul {
  margin-bottom: 0;
}

.calc-substep-bottom-row {
  display: flex;
  justify-content: center;
  margin: 18px -16px -18px;
  border-top: 1px solid #d9d9d9;
}

.calc-substep-bottom-hide {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 0;
  border-radius: 0;
  background: #f3f6fb;
  color: #111827;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
}

.calc-substep-bottom-hide:hover {
  background: #e8eef8;
}

.calc-substep-bottom-hide:focus-visible {
  outline: 3px solid rgba(0, 123, 255, 0.35);
  outline-offset: -3px;
}

.calc-substeps .calc-substeps {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid #dddddd;
}