.page-products {
  --prod-line-soft: rgba(30, 74, 109, 0.62);
  --prod-inset: 1.15rem;
  background: var(--color-space);
  color: var(--color-star);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mist);
}

.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 0.55rem;
  color: var(--color-line);
}

.page-products .breadcrumb-link {
  color: var(--color-cyan-soft);
  text-decoration: none;
}

.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--color-star);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- hero ---------- */
.page-products .prod-hero {
  position: relative;
  padding: clamp(5rem, 10vw, 7.5rem) 0 clamp(2.25rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(34, 211, 238, 0.16), transparent 58%),
    radial-gradient(90% 80% at 92% 8%, rgba(249, 115, 22, 0.13), transparent 62%),
    linear-gradient(180deg, rgba(11, 42, 74, 0.55), rgba(6, 20, 38, 0) 70%);
  border-bottom: 1px solid var(--prod-line-soft);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
  opacity: 0.5;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-products .prod-hero__lead .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-cyan-soft);
}

.page-products .prod-hero__title {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.85rem, 5.4vw, 3.3rem);
  line-height: 1.24;
  letter-spacing: 0.05em;
  color: var(--color-star);
  text-wrap: balance;
}

.page-products .prod-hero__lede {
  margin: 0;
  max-width: 46rem;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--color-mist);
}

.page-products .prod-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.25rem;
  background: linear-gradient(160deg, rgba(16, 54, 92, 0.72), rgba(6, 20, 38, 0.4));
  border: 1px solid var(--prod-line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-products .prod-hero__aside-label {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-mist);
}

.page-products .prod-jump {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.62rem 0.85rem;
  font-size: 0.94rem;
  color: var(--color-star);
  text-decoration: none;
  background: rgba(34, 211, 238, 0.06);
  border-left: 2px solid var(--color-cyan);
  transition: background 200ms var(--ease), transform 200ms var(--ease);
}

.page-products .prod-jump:hover,
.page-products .prod-jump:focus-visible {
  background: rgba(34, 211, 238, 0.16);
  transform: translateX(3px);
}

.page-products .prod-jump__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-cyan);
}

/* ---------- layout ---------- */
.page-products .prod-layout {
  display: grid;
  gap: 2rem;
  padding: 2.25rem 0 3.5rem;
}

.page-products .prod-rail {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-products .prod-rail__panel {
  padding: 1.1rem 1rem;
  background: linear-gradient(165deg, rgba(11, 42, 74, 0.92), rgba(6, 20, 38, 0.88));
  border: 1px solid var(--prod-line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-products .prod-rail__label {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-products .prod-rail__list {
  display: grid;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rail;
}

.page-products .prod-rail__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.42rem 0.4rem;
  font-size: 0.94rem;
  color: var(--color-mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 74, 109, 0.35);
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

.page-products .prod-rail__link:hover,
.page-products .prod-rail__link:focus-visible {
  color: var(--color-star);
  background: rgba(34, 211, 238, 0.1);
}

.page-products .prod-rail__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--color-cyan);
}

.page-products .prod-diag {
  padding: 1rem;
  background: linear-gradient(200deg, rgba(16, 54, 92, 0.9), rgba(11, 42, 74, 0.72));
  border-left: 2px solid var(--color-orange);
}

.page-products .prod-diag__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-star);
}

.page-products .prod-diag__list {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-diag__list a {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.45rem 0.5rem;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--color-mist);
  text-decoration: none;
  background: rgba(6, 20, 38, 0.5);
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

.page-products .prod-diag__list a:hover,
.page-products .prod-diag__list a:focus-visible {
  color: var(--color-star);
  background: rgba(249, 115, 22, 0.14);
}

.page-products .prod-diag__go {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-orange);
  white-space: nowrap;
}

/* ---------- sections ---------- */
.page-products .prod-section {
  position: relative;
  padding: 2.25rem 0;
  scroll-margin-top: 6.5rem;
}

.page-products .prod-section--cyan {
  background: radial-gradient(90% 60% at 0% 0%, rgba(34, 211, 238, 0.09), transparent 70%);
}

.page-products .prod-section--amber {
  background: radial-gradient(90% 60% at 100% 0%, rgba(249, 115, 22, 0.09), transparent 70%);
}

.page-products .prod-section--green {
  background: radial-gradient(90% 60% at 0% 0%, rgba(52, 211, 153, 0.09), transparent 70%);
}

.page-products .prod-section--numbers {
  background: linear-gradient(180deg, rgba(11, 42, 74, 0.5), rgba(6, 20, 38, 0));
  border-top: 1px solid var(--prod-line-soft);
  padding-top: 2.75rem;
}

.page-products .prod-section__head {
  margin-bottom: 1.6rem;
}

.page-products .prod-section__head .eyebrow {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-products .prod-section__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.35rem, 3.2vw, 1.95rem);
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--color-star);
}

.page-products .prod-section__title::after {
  content: "";
  display: block;
  width: 84px;
  height: 3px;
  margin-top: 0.9rem;
  background: linear-gradient(90deg, var(--color-cyan), rgba(34, 211, 238, 0));
  transform: skewX(-35deg);
}

.page-products .prod-section__lede {
  margin: 0;
  max-width: 52rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-mist);
}

.page-products .prod-body {
  margin: 1.4rem 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-mist);
}

.page-products .prod-body--aside {
  margin: 1.3rem 0 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--color-line);
  font-size: 0.94rem;
}

.page-products .prod-inline-link {
  color: var(--color-cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(125, 235, 250, 0.4);
}

.page-products .prod-inline-link:hover,
.page-products .prod-inline-link:focus-visible {
  color: var(--color-star);
  border-bottom-color: var(--color-star);
}

.page-products .prod-divider {
  height: 44px;
  background:
    linear-gradient(102deg, transparent 0 43%, rgba(34, 211, 238, 0.28) 43% 43.6%, transparent 43.6% 100%),
    linear-gradient(102deg, transparent 0 62%, rgba(249, 115, 22, 0.18) 62% 62.5%, transparent 62.5% 100%);
  opacity: 0.9;
}

/* ---------- figures ---------- */
.page-products .prod-figure {
  margin: 1.5rem 0;
  background: linear-gradient(150deg, rgba(16, 54, 92, 0.75), rgba(6, 20, 38, 0.6));
  border: 1px solid var(--prod-line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 1px solid rgba(30, 74, 109, 0.5);
}

.page-products .prod-figure figcaption {
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--color-mist);
}

/* ---------- subscribe split ---------- */
.page-products .prod-split {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-products .prod-split__main p {
  margin: 0 0 1.1rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-mist);
}

.page-products .prod-points {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-points__item {
  padding: 0.75rem 0.9rem;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--color-mist);
  background: rgba(11, 42, 74, 0.6);
  border-left: 2px solid var(--color-cyan);
}

.page-products .prod-points__item strong {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-cyan-soft);
}

.page-products .prod-history {
  padding: 1.15rem;
  background: linear-gradient(200deg, rgba(16, 54, 92, 0.9), rgba(11, 42, 74, 0.7));
  border: 1px solid var(--prod-line-soft);
}

.page-products .prod-history .info-plate__label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-products .prod-history__lead {
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--color-mist);
}

.page-products .prod-history img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.page-products .prod-history__note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.75rem 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--color-cyan-soft);
}

/* ---------- compat matrix ---------- */
.page-products .prod-matrix {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.page-products .prod-matrix__group {
  background: rgba(11, 42, 74, 0.55);
  border: 1px solid var(--prod-line-soft);
  border-left: 2px solid var(--color-cyan);
}

.page-products .prod-matrix__group summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 0.95rem;
  font-size: 0.95rem;
  color: var(--color-star);
  cursor: pointer;
  list-style: none;
}

.page-products .prod-matrix__group summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-matrix__group summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-cyan);
}

.page-products .prod-matrix__group[open] summary::after {
  content: "–";
}

.page-products .prod-matrix__body {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0.95rem 0.85rem;
  list-style: none;
}

.page-products .prod-matrix__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-mist);
}

/* ---------- access checks ---------- */
.page-products .prod-checks {
  display: grid;
  gap: 0.6rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-checks__item {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.85rem;
  padding: 0.85rem 0.9rem;
  background: linear-gradient(120deg, rgba(11, 42, 74, 0.7), rgba(6, 20, 38, 0.4));
  border-bottom: 1px solid var(--prod-line-soft);
}

.page-products .prod-checks__num {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.4;
  color: rgba(125, 235, 250, 0.5);
}

.page-products .prod-checks__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--color-star);
}

.page-products .prod-checks__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--color-mist);
}

/* ---------- refresh steps ---------- */
.page-products .prod-steps {
  display: grid;
  gap: 0.55rem;
  margin-top: 1.4rem;
}

.page-products .prod-steps__item {
  background: rgba(11, 42, 74, 0.6);
  border-left: 2px solid var(--color-orange);
}

.page-products .prod-steps__item summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 0.95rem;
  font-size: 0.95rem;
  color: var(--color-star);
  cursor: pointer;
  list-style: none;
}

.page-products .prod-steps__item summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-steps__item summary::after {
  content: "展开";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--color-orange);
}

.page-products .prod-steps__item[open] summary::after {
  content: "收起";
}

.page-products .prod-steps__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--color-orange);
}

.page-products .prod-steps__item p {
  margin: 0;
  padding: 0 0.95rem 0.9rem 2.4rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-mist);
}

/* ---------- scenes ---------- */
.page-products .prod-scenes {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.page-products .prod-scenes__item {
  padding: 1rem 1rem 1.1rem;
  background: linear-gradient(165deg, rgba(16, 54, 92, 0.62), rgba(6, 20, 38, 0.5));
  border: 1px solid var(--prod-line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .prod-scenes__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-mist);
}

.page-products .prod-scenes__title {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--color-star);
}

.page-products .prod-scenes__item p:last-child {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--color-mist);
}

/* ---------- flow ---------- */
.page-products .prod-flow {
  display: grid;
  gap: 0.9rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.page-products .prod-flow__step {
  position: relative;
  padding: 0.9rem 1rem 1rem;
  background: rgba(11, 42, 74, 0.55);
  border-top: 1px solid var(--prod-line-soft);
}

.page-products .prod-flow__num {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1.2;
  color: rgba(125, 235, 250, 0.45);
}

.page-products .prod-flow__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--color-star);
}

.page-products .prod-flow__step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--color-mist);
}

/* ---------- stats ---------- */
.page-products .prod-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  background: var(--prod-line-soft);
  border: 1px solid var(--prod-line-soft);
}

.page-products .prod-stats__cell {
  padding: 1rem 0.95rem 1.1rem;
  background: linear-gradient(180deg, rgba(11, 42, 74, 0.92), rgba(6, 20, 38, 0.9));
}

.page-products .prod-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-cyan);
}

.page-products .prod-stats__label {
  display: block;
  margin: 0.35rem 0 0.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--color-star);
}

.page-products .prod-stats__cell p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--color-mist);
}

/* ---------- cta ---------- */
.page-products .prod-cta {
  display: grid;
  gap: 1.1rem;
  margin-top: 2rem;
  padding: 1.3rem 1.2rem 1.4rem;
  background:
    radial-gradient(100% 120% at 0% 0%, rgba(34, 211, 238, 0.16), transparent 62%),
    linear-gradient(150deg, rgba(16, 54, 92, 0.9), rgba(6, 20, 38, 0.85));
  border: 1px solid var(--prod-line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-products .prod-cta__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: var(--color-star);
}

.page-products .prod-cta__text {
  margin: 0;
  max-width: 40rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--color-mist);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-products .prod-cta__actions .btn {
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- desktop ---------- */
@media (min-width: 768px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 2.5rem;
  }

  .page-products .prod-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 1.6rem;
  }

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

  .page-products .prod-scenes__item:nth-child(even) {
    transform: translateY(1.1rem);
  }

  .page-products .prod-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-flow__step:nth-child(n + 4) {
    margin-top: 0.4rem;
  }

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.5rem 1.6rem;
  }

  .page-products .prod-figure--wide {
    max-width: 92%;
  }

  .page-products .prod-figure--narrow {
    max-width: 78%;
    margin-left: auto;
  }
}

@media (min-width: 1024px) {
  .page-products .prod-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 3.25rem;
    padding: 2.75rem 0 4.5rem;
  }

  .page-products .prod-rail {
    position: sticky;
    top: 6.5rem;
  }

  .page-products .prod-section {
    padding: 3rem 0;
  }

  .page-products .prod-section__head {
    margin-bottom: 1.9rem;
  }

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

  .page-products .prod-checks__item:last-child {
    grid-column: 1 / -1;
  }

  .page-products .prod-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.6rem;
  }

  .page-products .prod-flow__step:nth-child(n + 4) {
    margin-top: 0;
  }

  .page-products .prod-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem 1.4rem;
  }
}

@media (min-width: 1280px) {
  .page-products .prod-rail__link {
    font-size: 0.98rem;
  }

  .page-products .prod-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-jump,
  .page-products .prod-rail__link,
  .page-products .prod-diag__list a {
    transition: none;
  }

  .page-products .prod-jump:hover,
  .page-products .prod-jump:focus-visible {
    transform: none;
  }

  .page-products .prod-scenes__item:nth-child(even) {
    transform: none;
  }
}
<<<END>>>