.rich-copy .electric-scope { padding: 1rem; border-left: 4px solid var(--night); background: #e3efea; font-size: 1rem; }
.rich-copy .electric-figure { margin: 1.5rem 0 2rem; min-width: 0; padding: 1rem; border: 1px solid var(--line); background: var(--paper); }
.electric-figure img { display: block; width: 100%; max-width: 360px; height: auto; margin: auto; }
.rich-copy .electric-figure figcaption { margin-top: 1rem; font-size: 1rem; line-height: 1.65; }
.rich-copy .electric-units { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.electric-units > div { min-width: 0; padding: 1rem; border: 1px solid var(--line); background: var(--paper); }
.electric-units dt { font-size: 1.25rem; font-weight: 800; line-height: 1.5; }
.electric-units dt span { display: block; font-size: 1rem; color: #16454b; }
.electric-units dd { margin: .75rem 0 0; font-size: 1rem; line-height: 1.65; }
.electric-formula { margin: 1.5rem 0; padding: 1rem; background: #e3efea; overflow-wrap: anywhere; }
.electric-formula strong, .electric-formula span { display: block; line-height: 1.65; }
.electric-formula strong { font-size: 1.15rem; }
.electric-formula span { margin-top: .5rem; font-size: 1rem; }
.rich-copy .electric-check { margin: 1.25rem 0 2rem; padding: 1rem; border-left: 4px solid var(--night); background: var(--yellow-soft); }
.rich-copy .electric-check p { margin: 0 0 .75rem; }
.rich-copy .electric-check details { margin: 0; }
.electric-check summary { min-height: 44px; padding: .5rem 0; cursor: pointer; font-weight: 800; }
.electric-check summary:focus-visible { outline: 3px solid var(--night); outline-offset: 3px; }
.rich-copy .electric-credit { font-size: .9rem; margin-top: 2rem; }
@media (max-width: 520px) {
  .rich-copy .electric-units { grid-template-columns: minmax(0, 1fr); }
  .rich-copy .electric-figure { padding: .5rem; }
}