:root {
  --led-red: var(--blue-sky);
  --led-red-dark: var(--blue-deep);
  --led-surface: #f5f6f2;
  --led-line: rgba(19, 19, 19, 0.1);
}

.led-page-shell {
  min-height: 100vh;
}

.led-page-main {
  padding-bottom: 80px;
}

.led-page-shell .solution-section,
.led-page-shell .detail-section {
  width: min(1240px, calc(100vw - 48px));
}

.led-page-shell .solution-section + .detail-section,
.led-page-shell .detail-section + .detail-section,
.led-page-shell .detail-section + .solution-section {
  padding-top: 56px;
}

.led-page-shell .left-overlay-header {
  padding-top: 30px;
}

.led-page-shell .section-title-wrap h2,
.led-page-shell .detail-cta-copy h2,
.led-page-shell .left-overlay-header-overlay h1 {
  letter-spacing: 0;
}

.led-page-shell .hero-nav-bar .hero-nav {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.led-page-shell .section-kicker {
  color: var(--blue-sky);
}

.led-page-shell .section-kicker-light {
  color: #ffffff;
}

.led-page-shell .detail-button-muted {
  border: 1px solid var(--led-line);
}

.led-page-shell .range-card-without-image {
  display: flex;
  min-height: 240px;
  align-items: flex-end;
  background:
    linear-gradient(145deg, rgba(214, 253, 112, 0.42), transparent 60%),
    #ffffff;
}

.led-page-shell .range-card-without-image .range-copy {
  width: 100%;
}

.led-page-shell .process-step {
  border-color: var(--led-line);
}

.led-page-shell .process-step-number {
  background: var(--blue-sky);
  color: #ffffff;
}

.led-page-shell .process-step-arrow {
  color: var(--ink);
}

.comparison-table-shell {
  overflow-x: auto;
  border: 1px solid var(--led-line);
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(12, 19, 28, 0.06);
}

.comparison-table,
.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.comparison-table th,
.comparison-table td,
.spec-table th,
.spec-table td {
  padding: 20px 22px;
  border-bottom: 1px solid var(--led-line);
  vertical-align: top;
  line-height: 1.55;
}

.comparison-table thead th {
  background: #171717;
  color: #ffffff;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
}

.comparison-table tbody th,
.spec-table th {
  width: 24%;
  color: var(--ink);
  font-weight: 600;
}

.comparison-table tbody td,
.spec-table td {
  color: var(--ink-muted);
}

.comparison-table tr:last-child th,
.comparison-table tr:last-child td,
.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.table-note {
  max-width: 900px;
  margin: 16px auto 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  text-align: center;
}

.led-page-shell .range-copy a {
  color: var(--blue-sky);
  font-weight: 600;
}

.led-page-shell .detail-intro-grid {
  padding-top: 28px;
}

.led-page-shell .intro-grid {
  align-items: stretch;
}

.led-page-shell .detail-card,
.led-page-shell .assessment-card,
.led-page-shell .related-card,
.led-page-shell .range-card,
.led-page-shell .process-step,
.led-page-shell .detail-cta-band {
  border-radius: 20px;
}

.led-page-shell .detail-card-wide {
  display: flex;
  align-items: center;
}

.led-page-shell .technology-section {
  overflow: hidden;
}

.led-page-shell .technology-stage {
  min-height: 360px;
}

.led-page-shell .technology-stage img {
  height: 100%;
}

.led-page-shell .detail-cta-band {
  margin-top: 0;
}

.industry-content-page {
  position: relative;
}

.industry-content-page .hero-nav-bar {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 110;
  width: 100%;
}

.industry-content-page .left-overlay-header {
  position: relative;
  width: 100%;
  padding-top: 0;
}

.industry-content-page .left-overlay-header-media {
  width: 100%;
  height: clamp(580px, calc(100svh - 24px), 760px);
  min-height: 580px;
  border-radius: 0;
}

.industry-content-page .left-overlay-header-overlay {
  max-width: 760px;
  padding: 150px max(24px, calc((100vw - 1240px) / 2)) 72px;
  background: linear-gradient(90deg, rgba(19, 19, 19, 0.72), rgba(19, 19, 19, 0.06));
}

.industry-content-page .left-overlay-header-overlay h1 {
  max-width: 720px;
}

.industry-content-page .intro-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.industry-content-page .related-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 620px;
  margin-right: auto;
  margin-left: auto;
}

.category-content-page .intro-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.category-content-page .related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 960px;
  margin-right: auto;
  margin-left: auto;
}

.category-content-page .related-card {
  min-height: 148px;
  padding: 24px;
}

.category-content-page .related-card strong {
  font-size: 1.12rem;
  line-height: 1.25;
}

@media (max-width: 1080px) {
  .process-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-step-wrapper:nth-child(2n) .process-step-arrow {
    display: none;
  }

  .industry-content-page .intro-grid,
  .category-content-page .intro-grid,
  .category-content-page .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .led-page-main {
    padding-bottom: 56px;
  }

  .led-page-shell .solution-section,
  .led-page-shell .detail-section {
    width: calc(100vw - 28px);
  }

  .led-page-shell .solution-section + .detail-section,
  .led-page-shell .detail-section + .detail-section,
  .led-page-shell .detail-section + .solution-section {
    padding-top: 32px;
  }

  .process-flow {
    grid-template-columns: 1fr;
  }

  .process-step-arrow {
    top: auto;
    bottom: -20px;
    right: auto;
    left: 50%;
    transform: translateX(-50%) rotate(90deg);
  }

  .process-step-wrapper {
    padding-bottom: 12px;
  }

  .comparison-table {
    min-width: 720px;
  }

  .spec-table th {
    width: 38%;
  }

  .comparison-table th,
  .comparison-table td,
  .spec-table th,
  .spec-table td {
    padding: 16px;
  }

  .industry-content-page .left-overlay-header {
    width: 100%;
    padding-top: 0;
  }

  .industry-content-page .left-overlay-header-media {
    height: min(680px, 100svh);
    min-height: 560px;
  }

  .industry-content-page .left-overlay-header-overlay {
    max-width: none;
    padding: 132px 18px 44px;
    background: linear-gradient(0deg, rgba(19, 19, 19, 0.76), rgba(19, 19, 19, 0.08));
  }

  .industry-content-page .intro-grid,
  .industry-content-page .related-grid,
  .category-content-page .intro-grid,
  .category-content-page .related-grid {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .category-content-page .left-overlay-header-media {
    height: 520px;
    min-height: 0;
  }

  .category-content-page .related-card {
    min-height: 128px;
  }
}

/* ── Products Category Page ── */

.products-category-intro {
  padding-top: 120px;
}

.products-category-intro h2 {
  font-size: clamp(2.6rem, 4.2vw, 4rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.products-category-intro .section-head p:last-child {
  margin-top: 20px;
  color: var(--ink-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  /* max-width: 680px; */
}

.products-category-section + .products-category-section {
  padding-top: 0;
}

/* ── Product Feature Card (screenshot style) ── */

.product-feature-list {
  display: flex;
  flex-direction: column;
  gap: 80px;
  margin-top: 56px;
}

.product-feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.product-feature-copy h2 {
  margin: 0 0 16px;
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.product-feature-copy > p {
  margin: 0 0 24px;
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 480px;
}

.product-feature-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.product-feature-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
  cursor: pointer;
}

.product-feature-btn-outline {
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
}

.product-feature-btn-outline:hover,
.product-feature-btn-outline:focus-visible {
  background: var(--ink);
  color: var(--canvas);
}

.product-feature-product-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line-light);
  background: #ffffff;
  text-decoration: none;
  color: var(--ink);
  transition:
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.product-feature-product-link:hover,
.product-feature-product-link:focus-visible {
  border-color: rgba(19, 19, 19, 0.18);
  box-shadow: 0 8px 24px rgba(12, 19, 28, 0.08);
}

.product-feature-product-thumb {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: contain;
  background: var(--canvas-soft);
  flex-shrink: 0;
}

.product-feature-product-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.product-feature-product-info strong {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0;
}

.product-feature-product-info span {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.4;
}

.product-feature-product-arrow {
  font-size: 1.4rem;
  color: var(--ink-muted);
  flex-shrink: 0;
  transition: transform 180ms ease;
}

.product-feature-product-link:hover .product-feature-product-arrow {
  transform: translateX(3px);
}

.product-feature-media {
  border-radius: 24px;
  overflow: hidden;
  background: var(--canvas-soft);
}

.product-feature-media-landscape {
  aspect-ratio: 16 / 10;
}

.product-feature-media img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.product-feature-media-landscape img {
  height: 100%;
  aspect-ratio: auto;
  object-fit: contain !important;
  padding: 16px;
  background: #f1f7fb;
}

/* ── Values Grid ── */

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  padding: 32px;
  border-radius: 20px;
  border: 1px solid var(--line-light);
  background: #ffffff;
}

.value-card-icon {
  display: flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: 12px;
  background: var(--primary);
  color: #111111;
}

.value-card-icon svg {
  width: 22px;
  height: 22px;
}

.value-card h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.value-card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

@media (max-width: 820px) {
  .product-feature-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-feature-list {
    gap: 56px;
  }

  .product-feature-media {
    order: -1;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .led-page-shell *,
  .led-page-shell *::before,
  .led-page-shell *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── JM10315 Product Detail Page ── */

.product-hero-carousel {
  padding: 40px 0 0;
}

.carousel-wrapper {
  width: min(1240px, calc(100vw - 48px));
  margin: 0 auto;
}

.product-hero-info {
  width: min(1240px, calc(100vw - 48px));
  margin: 48px auto 0;
  text-align: center;
}

.product-hero-info .section-kicker {
  margin-bottom: 16px;
}

.product-hero-info h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.product-hero-info > p {
  margin: 0 auto;
  max-width: 720px;
  color: var(--ink-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Spec Table */

.product-spec-section {
  padding-top: 80px;
}

.spec-table-wrapper {
  max-width: 960px;
  margin: 0 auto;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
  overflow: hidden;
}

.product-spec-table {
  width: 100%;
  border-collapse: collapse;
}

.product-spec-table th,
.product-spec-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--led-line);
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
}

.product-spec-table th {
  width: 30%;
  font-weight: 600;
  color: var(--ink);
  border-right: 1px solid var(--led-line);
}

.product-spec-table td {
  color: var(--ink-muted);
}

.product-spec-table tr:last-child th,
.product-spec-table tr:last-child td {
  border-bottom: 0;
}

.spec-table-note {
  max-width: 960px;
  margin: 16px auto 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  text-align: center;
}

/* Core Value Grid */

.product-value-section {
  padding-top: 80px;
}

.value-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.value-card-simple {
  padding: 32px;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
}

.value-card-simple h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.value-card-simple p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Application Section */

.product-application-section {
  padding-top: 80px;
}

.application-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}

.application-image {
  border-radius: 24px;
  overflow: hidden;
  background: var(--canvas-soft);
}

.application-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.application-image video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 24px;
  background: #000;
}

.application-items {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.application-item h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.application-item p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* OEM Section */

.product-oem-section {
  padding-top: 80px;
}

.oem-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 48px;
}

.oem-text-image-card {
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
}

.oem-copy h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.oem-copy p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.oem-options-card {
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
}

.oem-options-card h3 {
  margin: 0 0 20px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.oem-options-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.oem-options-card li {
  position: relative;
  padding-left: 20px;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.oem-options-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-sky);
}

.oem-sourcing-card {
  padding: 40px;
  border-radius: 20px;
  background: var(--led-surface);
}

.oem-sourcing-card h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.oem-sourcing-card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Related Products Section */

.product-related-section {
  padding-top: 80px;
}

.related-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.related-product-card {
  position: relative;
  display: flex;
  gap: 24px;
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
  text-decoration: none;
  color: var(--ink);
  transition:
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.related-product-card:hover,
.related-product-card:focus-visible {
  border-color: rgba(19, 19, 19, 0.18);
  box-shadow: 0 8px 24px rgba(12, 19, 28, 0.08);
}

.related-product-image {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--led-surface);
}

.related-product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-product-content {
  flex: 1;
  min-width: 0;
}

.related-product-eyebrow {
  display: block;
  margin-bottom: 8px;
  color: var(--blue-sky);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.related-product-card h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.related-product-card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.related-product-arrow {
  position: absolute;
  top: 32px;
  right: 32px;
  font-size: 1.4rem;
  color: var(--ink-muted);
  transition: transform 180ms ease;
}

.related-product-card:hover .related-product-arrow {
  transform: translateX(4px);
}

/* FAQ Section */

.product-faq-section {
  padding-top: 80px;
}

.faq-side-image {
  background: var(--led-surface);
}

/* Responsive */

@media (max-width: 820px) {
  .product-hero-info h1 {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .product-hero-info > p {
    font-size: 1rem;
  }

  .product-spec-section,
  .product-value-section,
  .product-application-section,
  .product-oem-section,
  .product-related-section,
  .product-faq-section {
    padding-top: 56px;
  }

  .value-grid-2,
  .related-product-grid {
    grid-template-columns: 1fr;
  }

  .application-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .oem-options-card ul {
    grid-template-columns: 1fr;
  }

  .product-spec-table th,
  .product-spec-table td {
    padding: 16px;
  }

  .product-spec-table th {
    width: 40%;
  }
}

/* ══════════════════════════════════════════════════════════
   JM10315F Product Detail Page
   ══════════════════════════════════════════════════════════ */

/* ── Hero Carousel ── */

.jm10315f-hero {
  padding: 40px 0 0;
}

.jm10315f-carousel-shell {
  width: min(1240px, calc(100vw - 48px));
  margin: 0 auto;
}

.jm10315f-hero-copy {
  width: min(1240px, calc(100vw - 48px));
  margin: 48px auto 0;
  text-align: center;
}

.jm10315f-hero-copy .section-kicker {
  margin-bottom: 16px;
}

.jm10315f-hero-copy h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.jm10315f-hero-copy > p {
  margin: 0 auto;
  max-width: 720px;
  color: var(--ink-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── 90240101 Hero: side-by-side (left carousel, right copy), portrait-adapted ─ */

.hand-shower-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(320px, 1fr);
  gap: 48px;
  align-items: center;
  width: min(1240px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 40px 0 0;
}

.hand-shower-carousel-shell {
  width: 100%;
  margin: 0;
}

.hand-shower-carousel-shell .carousel-slide img {
  min-height: 480px;
  max-height: 640px;
  object-fit: contain;
  background: var(--led-surface);
  border-radius: 20px;
}

.hand-shower-hero-copy {
  width: 100%;
  margin: 0;
  text-align: left;
}

.hand-shower-hero-copy .section-kicker {
  margin-bottom: 16px;
}

.hand-shower-hero-copy h1 {
  margin: 0 0 20px;
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hand-shower-hero-copy > p {
  margin: 0;
  max-width: none;
  color: var(--ink-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── Product Spec Cards (值突出的卡片网格) ── */

.product-spec-cards-section {
  padding-top: 80px;
}

.spec-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.spec-card {
  padding: 28px;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
  display: flex;
  flex-direction: row;
  gap: 20px;
  align-items: flex-start;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.spec-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(12, 19, 28, 0.08);
}

.spec-card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--led-surface);
  color: var(--blue-sky);
}

.spec-card-icon svg {
  width: 22px;
  height: 22px;
}

.spec-card-body {
  flex: 1;
  min-width: 0;
}

.spec-card-value {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.spec-card-label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue-sky);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.spec-cards-note {
  max-width: 800px;
  margin: 16px auto 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  text-align: center;
}

/* ─ 90240101 Spec Cards Override: blue bg + white icon ── */

[data-hand-shower-page] .spec-card-icon {
  background: var(--blue-sky);
  color: #ffffff;
}

@media (max-width: 820px) {
  .spec-cards-grid {
    grid-template-columns: 1fr;
  }

  .product-spec-cards-section {
    padding-top: 56px;
  }
}

/* ── Feature Strips (水平条带布局) ── */

.feature-strips-section {
  padding-top: 80px;
}

.feature-strips-list {
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-strip {
  display: flex;
  gap: 24px;
  padding: 28px 32px;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.feature-strip:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(12, 19, 28, 0.06);
}

.feature-strip-body {
  flex: 1;
  min-width: 0;
}

.feature-strip-body h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature-strip-divider {
  width: 70%;
  height: 2px;
  background: var(--blue-sky);
  border-radius: 2px;
  margin-bottom: 12px;
}

.feature-strip-body p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.feature-strip-image {
  flex-shrink: 0;
  width: 200px;
  border-radius: 14px;
  overflow: hidden;
  align-self: center;
}

.feature-strip-image img {
  width: 100%;
  display: block;
  border-radius: 14px;
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

@media (max-width: 820px) {
  .feature-strip {
    padding: 20px 24px;
    gap: 16px;
  }

  .feature-strip-image {
    width: 120px;
  }

  .feature-strips-section {
    padding-top: 56px;
  }
}

/* ── 90240101 Core Value (4-col grid, portrait images, image-top text-bottom) ── */

.core-value-section {
  padding-top: 80px;
}

.core-value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.core-value-card {
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.core-value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(12, 19, 28, 0.08);
}

.core-value-image {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--led-surface);
}

.core-value-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.core-value-body {
  padding: 20px;
}

.core-value-body h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.core-value-body p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ── 90240101 Application Video (full-width) ── */

.application-video-section {
  padding-top: 80px;
}

.application-video-wrapper {
  margin-top: 48px;
  border-radius: 20px;
  overflow: hidden;
  background: var(--led-surface);
}

.application-video-wrapper video {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  border-radius: 20px;
  background: #000;
  object-fit: cover;
}

.application-video-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.application-video-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-placeholder-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
}

.video-placeholder-overlay span {
  padding: 12px 28px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

@media (max-width: 820px) {
  .core-value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .core-value-section,
  .application-video-section {
    padding-top: 56px;
  }
}

/* ── Product Installation (公共安装模块) ── */

.product-install-section {
  padding-top: 80px;
}

.product-install-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}

.product-install-image {
  border-radius: 20px;
  overflow: hidden;
  background: var(--led-surface);
}

.product-install-image img,
.product-install-image video {
  width: 100%;
  display: block;
  object-fit: cover;
}

.product-install-image img {
  height: auto;
}

.product-install-image video {
  aspect-ratio: 16 / 10;
  background: #000;
}

.product-install-items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.product-install-item {
  padding: 32px 28px;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-install-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(12, 19, 28, 0.08);
}

.product-install-item h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.product-install-item p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Product OEM Grid (公共OEM配置模块) ── */

.product-oem-section {
  padding-top: 80px;
}

.product-oem-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.product-oem-grid .oem-sourcing-card {
  grid-column: 1 / -1;
}

.product-oem-card {
  padding: 28px 24px;
  border-radius: 20px;
  border: 1px solid var(--led-line);
  background: #ffffff;
  display: flex;
}

.product-oem-strip-bar {
  flex-shrink: 0;
  width: 4px;
  border-radius: 4px;
  background: var(--blue-sky);
  margin-right: 20px;
}

.product-oem-card h3 {
  margin: 0 0 16px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.product-oem-card .product-oem-card-line h3 {
  padding-bottom: 12px;
  border-bottom: 2px solid var(--blue-sky);
}

.product-oem-card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Image Text Cards (公共上图下文卡片) ── */

/* ── Image Text Cards (LED-specific overrides) ── */

.led-page-shell .image-text-card {
  border-color: var(--led-line);
}

.led-page-shell .image-text-card-media {
  background: var(--led-surface);
  color: var(--blue-sky);
}

.led-page-shell .image-text-card-highlight {
  background: var(--led-surface);
  color: var(--blue-sky);
}

/* ── FAQ (公共样式) ── */

.product-faq-section {
  padding-top: 80px;
}

/* ── Responsive ── */

@media (max-width: 1080px) {
  .product-install-layout {
    grid-template-columns: 1fr;
  }

  .product-oem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1080px) {
  .hand-shower-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hand-shower-hero-copy {
    text-align: center;
  }

  .hand-shower-hero-copy > p {
    margin: 0 auto;
    max-width: 720px;
  }
}

@media (max-width: 820px) {
  .jm10315f-hero-copy h1 {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .jm10315f-hero-copy > p {
    font-size: 1rem;
  }

  .hand-shower-hero-copy h1 {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .hand-shower-hero-copy > p {
    font-size: 1rem;
  }

  .hand-shower-carousel-shell .carousel-slide img {
    min-height: 320px;
    max-height: 480px;
  }

  .product-install-section,
  .product-oem-section,
  .product-faq-section {
    padding-top: 56px;
  }

  .product-install-layout {
    grid-template-columns: 1fr;
  }

  .product-oem-grid {
    grid-template-columns: 1fr;
  }
}