.page-products {
  --p-panel-bg: var(--blue-800);
  --p-card-bg: var(--blue-700);
  --p-line: var(--blue-600);
  --p-muted: var(--slate);
  --p-accent: var(--orange);
  background: var(--blue-900);
  color: var(--white);
  min-width: 0;
  padding: clamp(1.25rem, 4vw, 3rem) clamp(1rem, 3vw, 2.75rem) 4.5rem;
}

.page-products .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.page-products .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-products .breadcrumb li + li::before {
  content: "/";
  color: var(--p-muted);
}

.page-products .breadcrumb a {
  color: var(--p-muted);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  color: var(--p-accent);
}

.page-products .breadcrumb li[aria-current="page"] {
  color: var(--white);
  font-weight: 600;
}

.page-products .service-hero {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: center;
  margin-bottom: 1.25rem;
  padding: clamp(1.75rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-900) 80%);
  border: 3px solid var(--p-line);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-products .service-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-top: 72px solid var(--p-accent);
  border-left: 72px solid transparent;
  pointer-events: none;
}

.page-products .service-hero-copy {
  position: relative;
  z-index: 1;
}

.page-products .service-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--p-accent);
  background: var(--blue-900);
  border: 1px solid var(--p-line);
  padding: 0.4rem 0.7rem;
  margin-bottom: 1.25rem;
}

.page-products .service-hero h1 {
  margin: 0 0 1.25rem;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
  max-width: 18em;
}

.page-products .service-hero-lead {
  margin: 0;
  max-width: 58ch;
  color: var(--p-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.page-products .service-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-products .service-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.625rem;
  position: relative;
  z-index: 1;
}

.page-products .hs-item {
  background: var(--blue-900);
  border: 2px solid var(--p-line);
  padding: 1rem 0.5rem;
  text-align: center;
}

.page-products .hs-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.25rem, 4vw, 2rem);
  line-height: 1.1;
  color: var(--p-accent);
}

.page-products .hs-label {
  display: block;
  margin-top: 0.5rem;
  color: var(--p-muted);
  font-size: 0.75rem;
  line-height: 1.4;
}

.page-products .service-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-products .si-link {
  position: relative;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  padding: 1rem 1.25rem 1rem 1.5rem;
  background: var(--blue-800);
  border: 3px solid var(--p-line);
  color: var(--white);
  text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.page-products .si-link::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 0;
  width: 6px;
  height: 100%;
  background: var(--p-line);
  transition: background var(--duration-fast) var(--ease-out);
}

.page-products .si-link:hover {
  transform: translateY(-2px);
}

.page-products .si-link.is-spy-active,
.page-products .si-link:hover {
  border-color: var(--p-accent);
  background: var(--blue-700);
}

.page-products .si-link.is-spy-active::before {
  background: var(--p-accent);
}

.page-products .si-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--p-accent);
  font-size: 1rem;
}

.page-products .si-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.04em;
}

.page-products .si-desc {
  flex-basis: 100%;
  color: var(--p-muted);
  font-size: 0.875rem;
}

.page-products .service-band,
.page-products .capability {
  position: relative;
  margin-bottom: 1.25rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--blue-800);
  border: 3px solid var(--p-line);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-products .band-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px dashed var(--p-line);
}

.page-products .band-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--p-accent);
  background: var(--blue-900);
  border: 1px solid var(--p-line);
  padding: 0.4rem 0.6rem;
}

.page-products .band-index {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--p-muted);
}

.page-products .band-head h2 {
  flex-basis: 100%;
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.15;
  color: var(--white);
}

.page-products .band-body {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .band-main,
.page-products .band-media {
  min-width: 0;
}

.page-products .band-lead {
  margin: 0 0 1.5rem;
  color: var(--white);
  font-size: 1rem;
  line-height: 1.75;
}

.page-products .media-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--p-line);
  box-shadow: var(--shadow-card);
}

.page-products .media-caption {
  margin: 0.75rem 0 0;
  color: var(--p-muted);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

.page-products .band-record {
  border-left: 6px solid var(--p-accent);
}

.page-products .filter-steps {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-products .filter-steps li {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.8125rem 0;
  border-bottom: 1px solid var(--p-line);
}

.page-products .step-num {
  flex: 0 0 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--p-accent);
  border: 2px solid var(--p-line);
}

.page-products .step-text {
  flex: 1;
  font-size: 0.9375rem;
}

.page-products .card-icon-pair {
  display: flex;
  gap: 1rem;
}

.page-products .card-icon {
  flex: 1;
  max-width: 9rem;
  background: var(--blue-900);
  border: 2px solid var(--p-line);
  padding: 0.875rem 0.75rem;
  text-align: center;
}

.page-products .ci-rect {
  display: block;
  width: 3.25rem;
  height: 4.75rem;
  margin: 0 auto 0.75rem;
  border-radius: 6px 6px 3px 3px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 4.75rem;
  color: var(--white);
  background: var(--red);
  box-shadow: var(--shadow-card);
}

.page-products .card-icon-red .ci-rect {
  background: var(--red);
}

.page-products .card-icon-yellow .ci-rect {
  background: var(--yellow);
  color: var(--blue-900);
}

.page-products .ci-note {
  color: var(--p-muted);
  font-size: 0.8125rem;
}

.page-products .band-report {
  background: linear-gradient(160deg, var(--blue-800) 0%, var(--blue-900) 100%);
}

.page-products .band-report::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--p-line) 0 8px, transparent 8px 16px);
  pointer-events: none;
}

.page-products .update-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  background: var(--blue-900);
  border: 1px dashed var(--p-line);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.page-products .update-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--p-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
}

.page-products .update-text {
  color: var(--white);
  font-weight: 600;
}

.page-products .update-meta {
  margin-left: auto;
  color: var(--p-muted);
  font-size: 0.8125rem;
}

.page-products .text-link {
  display: inline-block;
  color: var(--p-accent);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
}

.page-products .band-player {
  background: var(--blue-900);
}

.page-products .band-player::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  border-bottom: 48px solid var(--p-accent);
  border-left: 48px solid transparent;
  pointer-events: none;
  opacity: 0.55;
}

.page-products .player-body .band-main {
  order: 1;
}

.page-products .player-body .band-media {
  order: 2;
}

.page-products .device-steps {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-products .device-steps li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.8125rem 0;
  border-bottom: 1px solid var(--p-line);
}

.page-products .ds-index {
  flex: 0 0 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--p-accent);
  border: 2px solid var(--p-line);
}

.page-products .band-note {
  margin: 0;
  padding: 0.875rem 1rem;
  background: var(--blue-800);
  border-left: 4px solid var(--yellow);
  color: var(--p-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-products .band-case {
  background: var(--blue-800);
  border: 4px double var(--p-line);
}

.page-products .case-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .case-detail {
  background: var(--blue-900);
  border: 2px solid var(--p-line);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.page-products .case-detail[open] {
  border-color: var(--p-accent);
}

.page-products .case-detail summary {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1.125rem 1.25rem;
  cursor: pointer;
  list-style: none;
}

.page-products .case-detail summary::-webkit-details-marker {
  display: none;
}

.page-products .case-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--p-accent);
  border: 1px solid var(--p-line);
  padding: 0.25rem 0.5rem;
}

.page-products .case-name {
  flex: 1;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
}

.page-products .case-more {
  flex: 0 0 auto;
  color: var(--p-muted);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
}

.page-products .case-detail:not([open]) .case-more::before {
  content: "展开 +";
}

.page-products .case-detail[open] .case-more::before {
  content: "收起 −";
}

.page-products .case-body {
  padding: 1rem 1.25rem 1.25rem;
  border-top: 1px dashed var(--p-line);
  margin-left: 1.25rem;
  margin-right: 1.25rem;
}

.page-products .case-body p {
  margin: 0 0 1rem;
  color: var(--white);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.page-products .case-result {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .case-result li {
  position: relative;
  padding: 0.375rem 0 0.375rem 1.125rem;
  color: var(--p-muted);
  font-size: 0.875rem;
}

.page-products .case-result li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--p-accent);
}

.page-products .case-media {
  margin-top: 1.5rem;
}

.page-products .capability {
  background: linear-gradient(165deg, var(--blue-800) 0%, var(--blue-900) 100%);
}

.page-products .capability::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--p-accent);
  pointer-events: none;
}

.page-products .capability-lead {
  max-width: 70ch;
  margin: 0 0 1.75rem;
  color: var(--p-muted);
  line-height: 1.7;
}

.page-products .cap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.page-products .cap-item {
  background: var(--blue-900);
  border: 2px solid var(--p-line);
  padding: 1.5rem 1rem;
  text-align: center;
}

.page-products .cap-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.625rem, 4vw, 2.75rem);
  line-height: 1;
  color: var(--p-accent);
}

.page-products .cap-label {
  display: block;
  margin-top: 0.625rem;
  color: var(--p-muted);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.page-products .cap-detail-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: 1.75rem;
}

.page-products .cap-detail-item {
  background: var(--blue-900);
  border-left: 4px solid var(--p-line);
  padding: 1rem 1.25rem;
}

.page-products .cd-label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
}

.page-products .cap-detail-item p {
  margin: 0;
  color: var(--p-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

.page-products .cap-figure {
  margin: 0;
}

.page-products .cap-figure figcaption {
  margin-top: 0.75rem;
  color: var(--p-muted);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

@media (min-width: 600px) {
  .page-products .service-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .cap-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cap-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-products .service-hero {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  }

  .page-products .service-hero-stats {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
  }

  .page-products .hs-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    text-align: left;
  }

  .page-products .hs-num {
    font-size: 1.75rem;
  }

  .page-products .hs-label {
    margin-top: 0;
  }

  .page-products .service-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .band-body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .player-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

  .page-products .player-body .band-media {
    order: 1;
  }

  .page-products .player-body .band-main {
    order: 2;
  }

  .page-products .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}