/* Shared industry-page components own the palette, spacing and typography. */
.power-page { color: var(--text); background: var(--ink); }
.power-page * { letter-spacing: 0; }
.power-main [id] { scroll-margin-top: 104px; }
.power-main a:focus-visible, .power-main select:focus-visible, .power-main summary:focus-visible, .power-image-dialog button:focus-visible { outline: 3px solid var(--primary); outline-offset: 4px; }
.power-main .fs-hero { padding: 140px 0 36px; background: #fff; }
.power-concept-stage { position: relative; isolation: isolate; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 44px; align-items: center; }
.power-concept-copy { position: relative; z-index: 1; min-width: 0; text-align: left; }
.power-concept-copy h1 { margin: 0; font-size: 40px; line-height: 1.3; font-weight: 600; }
.power-concept-copy .fs-eyebrow { justify-content: flex-start; margin-bottom: 18px; }
.power-concept-sub { margin: 14px 0 0; color: #088c8c; font-size: 18px; line-height: 1.6; }
.power-concept-desc { margin: 20px 0 24px; color: var(--muted); font-size: 14px; line-height: 1.9; text-align: left; }
.power-concept-copy .fs-hero__actions { justify-content: flex-start; gap: 12px; }
.power-concept-copy .fs-button { padding: 10px 22px; font-size: 13px; }
.power-concept-figure { min-width: 0; margin: 0; }
.power-concept-visual { position: relative; display: block; width: 100%; margin: 0 auto; }
.power-concept-art { display: block; width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: contain; }
.power-concept-zoom { position: absolute; right: 0; bottom: 8px; display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; color: var(--primary); background: #fff; }
.power-concept-visual:hover .power-concept-zoom { background: var(--surface-2); }
.power-function-labels { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.power-function-labels span { min-width: 0; text-align: center; }
.power-function-labels b { display: block; color: var(--text); font-size: 17px; font-weight: 500; line-height: 1.6; }
.power-function-labels small { display: block; color: var(--muted); font-size: 11px; line-height: 1.8; margin-top: 3px; }
.power-concept-proof { display: grid; grid-template-columns: 1.35fr 1fr 1fr; margin: 28px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); list-style: none; gap: 18px; }
.power-concept-proof li { display: grid; gap: 5px; min-width: 0; text-align: left; }
.power-concept-proof b { color: #088c8c; font: 600 24px/1.3 ui-monospace, monospace; }
.power-concept-proof span { color: var(--muted); font-size: 11px; line-height: 1.8; }
.power-main .fs-section-head { max-width: 860px; }
.power-main .fs-section-head h2 { font-size: 34px; line-height: 1.4; }
.power-main .fs-section-head .fs-eyebrow { color: var(--primary); margin-bottom: 18px; font-size: 13px; }
.power-main .fs-section { padding: 68px 0; }
.power-overview { background: #fff; }
.power-diagram { margin: 0; }
.power-diagram a { position: relative; display: block; background: #fff; }
.power-diagram img { display: block; width: 100%; height: auto; max-height: 600px; object-fit: contain; }
.power-diagram figcaption { text-align: center; color: var(--muted); font-size: 12px; padding-top: 12px; }
.power-enlarge { position: absolute; right: 12px; bottom: 12px; display: grid; place-items: center; width: 38px; height: 38px; background: #fff; color: var(--primary); border: 1px solid var(--line); border-radius: 50%; }
.power-diagram a:hover .power-enlarge { background: var(--surface-2); }
.power-capabilities { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; border-top: 1px solid var(--line); margin-top: 36px; padding-top: 28px; }
.power-capabilities span { color: var(--gold); font: 600 12px/1.4 ui-monospace, monospace; }
.power-capabilities h3 { font-size: 18px; line-height: 1.5; margin: 10px 0; font-weight: 600; }
.power-capabilities p { color: var(--muted); font-size: 14px; line-height: 1.85; margin: 0; }
.power-scheme { border-top: 1px solid var(--line); }
.power-scheme:last-child { border-bottom: 1px solid var(--line); }
.power-scheme summary { list-style: none; display: grid; grid-template-columns: 40px minmax(0, 1fr) 24px; gap: 14px; align-items: center; padding: 24px 0; cursor: pointer; }
.power-scheme summary::-webkit-details-marker { display: none; }
.power-scheme-number { color: var(--gold); font: 600 13px/1.4 ui-monospace, monospace; }
.power-scheme h3 { margin: 0; font-size: 22px; line-height: 1.5; font-weight: 600; }
.power-scheme-summary { display: block; color: var(--muted); font-size: 14px; line-height: 1.8; margin-top: 6px; }
.power-scheme summary > i { color: var(--primary); transition: transform .2s; }
.power-scheme[open] summary > i { transform: rotate(180deg); }
.power-scheme-content { padding: 0 0 32px 54px; }
.power-scheme-copy { margin-bottom: 24px; }
.power-scheme-copy p { color: var(--muted); line-height: 1.9; font-size: 14px; max-width: 840px; margin: 0 0 14px; }
.power-scheme-products { display: flex; flex-wrap: wrap; gap: 16px; }
.power-scheme-products a { color: var(--primary); font: 600 13px/1.8 ui-monospace, monospace; text-decoration: underline; text-underline-offset: 4px; }
.power-scheme .power-diagram img { max-height: 540px; }
.power-filter { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--muted); flex-wrap: wrap; margin: -10px 0 26px; }
.power-filter select { min-height: 42px; min-width: 150px; border: 1px solid var(--line); border-radius: 6px; padding: 0 28px 0 12px; background: #fff; color: var(--text); font: inherit; }
.power-filter [data-power-count] { min-width: 75px; font-variant-numeric: tabular-nums; }
.power-product { display: flex; flex-direction: column; }
.power-product[hidden] { display: none; }
.power-main .power-product img { flex-shrink: 0; object-fit: contain; height: auto; }
.power-product h3 { font-size: 15px; font-weight: 600; line-height: 1.6; margin: 0 0 6px; min-height: 48px; }
.power-product .power-product-spec { color: var(--muted); font: 12px/1.7 "Microsoft YaHei", sans-serif; margin: 12px 0 18px; }
.power-product-action { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: auto; padding-top: 12px; color: var(--primary); font-size: 12px; }
.power-spec-note { margin-top: 26px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.power-main .fs-cta { background: #eef4f8; padding: 72px 0; }
.power-contact h2 { font-size: 34px; }
.power-contact .fs-cta__inner > p:not(.fs-eyebrow) { margin: -10px 0 28px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.power-page .lh-site-footer__brand p { max-width: none; white-space: nowrap; }
@media (min-width: 1001px) {
  .power-page .lh-site-footer__grid { grid-template-columns: minmax(270px, 1.2fr) minmax(0, 1fr) minmax(0, 1fr) 130px; gap: 28px; }
}
@media (max-width: 1000px) {
  .power-page .lh-site-footer__brand { grid-column: 1 / -1; }
}
.power-image-dialog { border: 0; border-radius: 8px; padding: 54px 16px 16px; width: min(1500px, 96vw); max-width: 96vw; max-height: 94vh; background: #fff; }
.power-image-dialog::backdrop { background: #10222fb8; }
.power-image-dialog > img { display: block; width: 100%; max-width: none; height: auto; }
.power-dialog-toolbar { position: sticky; top: 0; left: 0; height: 0; z-index: 1; width: 100%; }
.power-dialog-tools { position: absolute; top: -42px; right: 0; display: flex; gap: 8px; }
.power-image-dialog form { margin: 0; }
.power-dialog-tools button { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--primary); cursor: pointer; }
.power-dialog-tools button:hover { background: var(--surface-2); }
html.power-dialog-open { overflow: hidden; }
@media (max-width: 1100px) {
  .power-concept-copy h1 { font-size: 34px; }
  .power-concept-stage { gap: 28px; }
  .power-concept-sub { font-size: 16px; }
  .power-concept-proof { gap: 12px; }
}
@media (max-width: 1000px) {
  .power-main .fs-hero { padding-top: 110px; padding-bottom: 20px; }
  .power-concept-stage { grid-template-columns: 1fr; gap: 24px; }
  .power-concept-figure { width: 100%; max-width: 720px; margin: 0 auto; }
  .power-concept-proof { max-width: 520px; }
  .power-capabilities { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .power-main .fs-hero { padding-top: 90px; padding-bottom: 0; }
  .power-concept-stage { gap: 12px; }
  .power-concept-copy h1 { font-size: 28px; }
  .power-concept-copy .fs-eyebrow { margin-bottom: 10px; font-size: 11px; }
  .power-concept-sub { font-size: 15px; line-height: 1.6; margin-top: 10px; }
  .power-concept-desc { font-size: 12px; line-height: 1.75; margin: 12px auto 16px; max-width: 100%; }
  .power-concept-copy .fs-button { padding: 9px 18px; font-size: 12px; }
  .power-concept-visual { margin-top: 0; }
  .power-concept-zoom { right: 0; bottom: 8px; width: 28px; height: 28px; font-size: 12px; }
  .power-function-labels { gap: 8px; margin-top: 0; padding: 8px 0; }
  .power-function-labels b { font-size: 13px; }
  .power-function-labels small { display: none; }
  .power-concept-proof { gap: 8px; margin-top: 16px; padding: 12px 0 0; }
  .power-concept-proof b { font-size: 20px; }
  .power-concept-proof span { font-size: 10px; }
  .power-main .fs-section { padding: 42px 0; }
  .power-main .fs-section-head h2, .power-contact h2 { font-size: 26px; }
  .power-capabilities { gap: 22px 18px; }
  .power-capabilities h3 { font-size: 16px; }
  .power-capabilities p { font-size: 13px; }
  .power-scheme summary { grid-template-columns: 26px minmax(0, 1fr) 18px; gap: 10px; padding: 20px 0; }
  .power-scheme h3 { font-size: 18px; }
  .power-scheme-content { padding-left: 0; }
  .power-scheme-summary { font-size: 13px; }
  .power-enlarge { width: 30px; height: 30px; right: 6px; bottom: 6px; }
  .power-product-grid { gap: 12px; }
  .power-main .power-product { padding: 14px 10px; }
  .power-product h3 { font-size: 14px; min-height: 68px; }
  .power-main .power-product img { width: 85%; }
  .power-main .fs-cta { padding: 48px 0; }
}