.child-theme-el-formula {
  --color-brand: #1D836A;
  --color-brand-tint: #E8F5F0;
  --color-white: #ffffff;
  --shadow-card: rgba(0, 0, 0, 0.22) 3px 5px 30px 0px;
  --shadow-focus: 0 0 0 3px rgba(29, 131, 106, 0.32);
  --radius-pill: 980px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.child-theme-el-formula__box {
  background: var(--color-white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  text-align: center;
}

.child-theme-el-formula__label {
  display: inline-block;
  background: var(--color-brand);
  color: #fff;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  box-shadow: var(--shadow-focus);
}

.child-theme-el-formula__equation {
  font-size: clamp(18px, 2.8vw, 24px);
  font-weight: 700;
  color: #0f172a;
  line-height: 1.5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.child-theme-el-formula__term {
  padding: 8px 18px;
  background: var(--color-brand-tint);
  border: 1px solid rgba(29, 131, 106, 0.22);
  border-radius: 12px;
  display: inline-block;
}

.child-theme-el-formula__term--highlight {
  background: var(--color-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-focus);
}

.child-theme-el-formula__op {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-brand);
}

.child-theme-el-formula__note {
  margin-top: 20px;
  font-size: 14px;
  color: rgba(0,0,0,0.65);
  line-height: 1.5;
}