/* Chinese product-detail pages: shared responsive system. */
.product-detail-main {
  --product-green: #4dbb6d;
  --product-ink: #22354a;
  --product-copy: #53636f;
  --product-base: #fff;
  --product-soft: #f3f7f5;
  overflow: hidden;
  color: var(--product-ink);
}

.product-detail-main .product-detail-container {
  width: min(1140px, calc(100% - 48px));
  margin-right: auto;
  margin-left: auto;
}

.product-detail-hero {
  margin: 0;
  background: #183142;
}

.product-detail-hero img {
  display: block;
  width: 100%;
  height: auto;
}

.product-detail-section {
  padding: 96px 0;
  background: var(--product-base);
}

.product-detail-section.product-detail-section-soft {
  background: var(--product-soft);
}

.product-detail-heading {
  max-width: 980px;
  margin: 0 auto 34px;
  text-align: center;
}

.product-detail-title {
  margin: 0;
  color: #3e3e3e;
  text-transform: none;
  font-weight: 700;
  font-size: 2.3em;
  line-height: 1.2em;
}

.product-detail-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(34px, 6vw, 80px);
  align-items: center;
}

.product-detail-overview-copy {
  min-width: 0;
}

.product-detail-overview-copy h1,
.product-detail-overview-copy h2 {
  margin: 0 0 22px;
  color: var(--product-ink);
  font-size: clamp(32px, 3.25vw, 48px);
  font-weight: 800;
  line-height: 1.22;
}

.product-detail-overview-copy p {
  margin: 0;
  color: var(--product-copy);
  font-size: 16px;
  line-height: 1.9;
}

.product-detail-overview-copy p + p {
  margin-top: 14px;
}

.product-detail-overview-figure,
.product-detail-visual {
  margin: 0;
}

.product-detail-overview-figure {
  overflow: hidden;
  border-radius: 18px;
  background: #e9efeb;
  box-shadow: 0 18px 42px rgba(30, 55, 45, 0.12);
}

.product-detail-overview-figure img,
.product-detail-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.product-detail-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 52px;
}

.product-detail-metric {
  display: flex;
  min-height: 132px;
  padding: 22px 18px;
  border: 1px solid rgba(77, 187, 109, 0.2);
  border-radius: 14px;
  background: #fff;
  text-align: center;
  box-shadow: 0 12px 28px rgba(36, 62, 50, 0.06);
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.product-detail-metric-value {
  display: block;
  margin-bottom: 9px;
  color: var(--product-green);
  font-size: clamp(27px, 2.4vw, 38px);
  font-weight: 800;
  line-height: 1;
}

.product-detail-metric-label {
  display: block;
  color: #53636f;
  font-size: 14px;
  line-height: 1.5;
}

.product-detail-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.product-detail-feature-card {
  position: relative;
  min-height: 188px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(30, 53, 42, 0.08);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 13px 28px rgba(27, 47, 38, 0.06);
}

.product-detail-feature-card::before {
  content: '';
  display: block;
  width: 36px;
  height: 4px;
  margin-bottom: 20px;
  border-radius: 99px;
  background: var(--product-green);
}

.product-detail-feature-card h3 {
  margin: 0 0 12px;
  color: var(--product-ink);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.45;
}

.product-detail-feature-card p {
  margin: 0;
  color: var(--product-copy);
  font-size: 15px;
  line-height: 1.76;
}

.product-detail-technology-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}

.product-detail-tech-title {
  margin-bottom: 22px;
  text-align: left;
}

.product-detail-technology-layout-text-only {
  grid-template-columns: minmax(0, 900px);
  justify-content: center;
}

.product-detail-technology-layout-text-only .product-detail-tech-title {
  text-align: center;
}

.product-detail-technology-copy p {
  margin: 0;
  color: var(--product-copy);
  font-size: 16px;
  line-height: 1.88;
}

.product-detail-technology-copy p + p {
  margin-top: 14px;
}

.product-detail-visual {
  padding: clamp(12px, 2.3vw, 28px);
  border: 1px solid rgba(30, 53, 42, 0.08);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 16px 36px rgba(27, 47, 38, 0.07);
}

.product-detail-visual img {
  max-width: 100%;
  margin: 0 auto;
}

.product-detail-single-diagram {
  width: 100%;
  margin: 0 auto;
}

.product-detail-single-diagram .product-detail-visual {
  width: 100%;
}

.product-detail-single-diagram .product-detail-visual img {
  width: 100%;
}

.product-detail-visual figcaption {
  margin-top: 16px;
  color: var(--product-ink);
  font-size: 17px;
  font-weight: 800;
  text-align: center;
}

.product-detail-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.product-detail-media-card {
  overflow: hidden;
  border: 1px solid rgba(30, 53, 42, 0.08);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 13px 28px rgba(27, 47, 38, 0.06);
}

.product-detail-media-frame {
  aspect-ratio: 16 / 9;
  background: #17242d;
}

.product-detail-media-frame video {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.product-detail-media-copy {
  padding: 18px 20px 20px;
}

.product-detail-media-copy h3 {
  margin: 0 0 7px;
  color: var(--product-ink);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
}

@media (max-width: 991.98px) {
  .product-detail-section {
    padding: 76px 0;
  }

  .product-detail-overview,
  .product-detail-technology-layout {
    grid-template-columns: 1fr;
  }

  .product-detail-overview-figure {
    max-width: 760px;
  }

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

@media (max-width: 767.98px) {
  .product-detail-main .product-detail-container {
    width: min(100% - 40px, 560px);
  }

  .product-detail-section {
    padding: 62px 0;
  }

  .product-detail-heading {
    margin-bottom: 30px;
  }

  .product-detail-overview-copy p,
  .product-detail-technology-copy p {
    font-size: 15px;
    line-height: 1.8;
  }

  .product-detail-metrics,
  .product-detail-feature-grid,
  .product-detail-single-diagram,
  .product-detail-media-grid {
    grid-template-columns: 1fr;
  }

  .product-detail-metrics {
    gap: 12px;
    margin-top: 32px;
  }
  .product-detail-metric {
    min-height: 118px;
    padding: 18px;
    text-align: center;
  }

  .product-detail-feature-card {
    min-height: 0;
    padding: 24px;
  }
}