.page-products {
  --prod-gap: clamp(20px, 3vw, 40px);
  --prod-accent: var(--cyan);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 5vw, 60px) 0 clamp(36px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -18%;
  right: -14%;
  width: 78%;
  height: 120%;
  background: linear-gradient(155deg, var(--navy) 0%, rgba(16, 26, 43, 0.35) 55%, transparent 82%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 68%);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -8%;
  bottom: -32%;
  width: 46%;
  height: 62%;
  background: radial-gradient(circle at 40% 40%, rgba(56, 242, 208, 0.16), transparent 70%);
  pointer-events: none;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: var(--prod-gap);
}

.page-products .prod-hero__intro .breadcrumb {
  margin-bottom: 20px;
}

.page-products .prod-hero__intro h1 {
  margin: 10px 0 0;
  font-size: var(--fs-h1);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 18ch;
}

.page-products .prod-hero__intro .lede {
  margin-top: 18px;
  max-width: 40ch;
  color: var(--muted);
  line-height: 1.85;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-spec {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 16px 22px;
  margin: 30px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-products .prod-spec__item {
  margin: 0;
}

.page-products .prod-spec dt {
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .prod-spec dd {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-size: var(--fs-h4);
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-hero__figure {
  position: relative;
  margin: 0;
  align-self: end;
}

.page-products .prod-hero__figure::after {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 1px solid rgba(56, 242, 208, 0.34);
  border-radius: var(--radius);
  z-index: -1;
  pointer-events: none;
}

.page-products .prod-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06);
}

.page-products .prod-hero__figure figcaption {
  margin-top: 12px;
  font-size: var(--fs-sm);
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 通用章节标题 ---------- */
.page-products .prod-sec-head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-products .prod-sec-head h2 {
  margin: 10px 0 0;
  font-size: var(--fs-h2);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 24ch;
}

.page-products .prod-sec-head .prose {
  margin-top: 14px;
  max-width: 46ch;
  color: var(--muted);
}

/* ---------- 产品矩阵 ---------- */
.page-products .prod-matrix {
  padding: clamp(40px, 6vw, 84px) 0;
}

.page-products .prod-cards {
  display: grid;
  gap: 14px;
}

.page-products .prod-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-products .prod-card--cyan { --prod-accent: var(--cyan); }
.page-products .prod-card--teal { --prod-accent: var(--teal); }
.page-products .prod-card--red { --prod-accent: var(--red); }
.page-products .prod-card--orange { --prod-accent: var(--orange); }

.page-products .prod-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 3px;
  background: var(--prod-accent);
}

.page-products .prod-card:hover {
  transform: translateY(-2px);
  border-color: var(--prod-accent);
  box-shadow: 0 0 0 1px var(--prod-accent), 0 22px 44px -30px rgba(0, 0, 0, 0.95);
}

.page-products .prod-card__num {
  font-size: var(--fs-sm);
  color: var(--prod-accent);
  letter-spacing: 0.14em;
}

.page-products .prod-card__title {
  margin: 0;
  font-size: var(--fs-h4);
  line-height: 1.35;
  color: var(--paper);
}

.page-products .prod-card__desc {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-card__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: var(--fs-label);
  line-height: 1.7;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-products .prod-card__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: var(--fs-sm);
  color: var(--prod-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color 0.2s ease;
}

.page-products .prod-card__link:hover,
.page-products .prod-card__link:focus-visible {
  border-bottom-color: var(--prod-accent);
}

/* ---------- 索引 + 面板 ---------- */
.page-products .prod-detail {
  padding: 0 0 clamp(40px, 6vw, 84px);
}

.page-products .prod-shell {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-products .prod-index__title {
  margin: 0 0 12px;
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-products .prod-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .prod-index__list::-webkit-scrollbar {
  display: none;
}

.page-products .prod-index__link {
  display: inline-block;
  padding: 7px 13px;
  font-size: var(--fs-sm);
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(27, 36, 51, 0.6);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .prod-panels {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-products .prod-panel {
  padding: clamp(22px, 3vw, 40px);
  background: var(--navy);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-panel__head h2 {
  margin: 10px 0 0;
  font-size: var(--fs-h3);
  line-height: 1.28;
  max-width: 22ch;
}

.page-products .prod-panel__head .prose {
  margin-top: 14px;
  max-width: 44ch;
  color: var(--muted);
}

.page-products .prod-feats {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-feat {
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-products .prod-feat__key {
  display: block;
  font-family: var(--font-num);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .prod-feat__text {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--paper);
}

.page-products .prod-panel__media {
  margin: 26px 0 0;
}

.page-products .prod-panel__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
}

.page-products .prod-panel__media figcaption {
  margin-top: 10px;
  font-size: var(--fs-sm);
  color: var(--muted);
  line-height: 1.7;
}

.page-products .prod-dims {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: prod-dim;
}

.page-products .prod-dim {
  position: relative;
  padding: 14px 16px 14px 18px;
  background: var(--panel);
  border-left: 2px solid var(--teal);
  border-radius: var(--radius);
}

.page-products .prod-dim__label {
  display: block;
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  color: var(--teal);
}

.page-products .prod-dim__text {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--paper);
}

.page-products .prod-note {
  margin: 20px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.4);
}

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

/* ---------- 归档 ---------- */
.page-products .prod-archive {
  padding: clamp(40px, 6vw, 84px) 0;
  background: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-archive__grid {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
}

.page-products .prod-archive__copy h2 {
  margin: 10px 0 0;
  font-size: var(--fs-h2);
  line-height: 1.14;
  max-width: 16ch;
}

.page-products .prod-archive__copy .prose {
  margin-top: 14px;
  max-width: 40ch;
  color: var(--muted);
}

.page-products .prod-archive__figure {
  margin: 26px 0 0;
}

.page-products .prod-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  object-fit: cover;
  filter: saturate(0.8) contrast(1.04);
}

.page-products .prod-archive__figure figcaption {
  margin-top: 10px;
  font-size: var(--fs-sm);
  color: var(--muted);
  line-height: 1.7;
}

.page-products .prod-drawer {
  background: var(--navy);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  align-self: start;
  min-width: 0;
}

.page-products .prod-drawer__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 20px clamp(18px, 2.4vw, 26px);
  cursor: pointer;
  list-style: none;
}

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

.page-products .prod-drawer__sum:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products .prod-drawer__badge {
  padding: 4px 10px;
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--orange);
  border-radius: var(--radius);
}

.page-products .prod-drawer__title {
  flex: 1 1 60%;
  font-size: var(--fs-h4);
  color: var(--paper);
  line-height: 1.4;
}

.page-products .prod-drawer__toggle {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-products .prod-drawer__toggle::before,
.page-products .prod-drawer__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1px;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}

.page-products .prod-drawer__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: opacity 0.25s ease;
}

.page-products .prod-drawer[open] .prod-drawer__toggle {
  border-color: var(--cyan);
}

.page-products .prod-drawer[open] .prod-drawer__toggle::after {
  opacity: 0;
}

.page-products .prod-drawer__body {
  padding: 0 clamp(18px, 2.4vw, 26px) 22px;
  border-top: 1px solid var(--line);
}

.page-products .prod-q {
  margin-top: 20px;
}

.page-products .prod-q__name {
  margin: 0 0 10px;
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .prod-q__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-q__item {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-q__item--current {
  border-color: var(--orange);
  background: rgba(255, 138, 61, 0.08);
}

.page-products .prod-q__col {
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .prod-q__desc {
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--paper);
}

.page-products .prod-q__note {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-drawer__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 版本演进 ---------- */
.page-products .prod-versions {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 6vw, 84px) 0;
  background: var(--navy);
}

.page-products .prod-versions__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-products .prod-versions__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.5) blur(1px);
}

.page-products .prod-track {
  display: flex;
  gap: 14px;
  padding: 4px 2px 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-track:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .prod-track__list {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-track__node {
  flex: 0 0 auto;
  width: min(78vw, 320px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: rgba(27, 36, 51, 0.86);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
}

.page-products .prod-track__year {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-products .prod-track__title {
  margin: 4px 0 0;
  font-size: var(--fs-h4);
  line-height: 1.35;
  color: var(--paper);
}

.page-products .prod-track__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-compat {
  margin-top: 26px;
  padding: clamp(20px, 2.6vw, 28px);
  background: rgba(10, 14, 20, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-compat__title {
  margin: 0 0 12px;
  font-size: var(--fs-h4);
  color: var(--paper);
}

.page-products .prod-compat__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-compat__list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-compat__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
}

/* ---------- 上手路径 ---------- */
.page-products .prod-paths {
  padding: clamp(40px, 6vw, 84px) 0;
}

.page-products .prod-paths__grid {
  display: grid;
  gap: 16px;
}

.page-products .prod-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  border: 1px solid rgba(10, 14, 20, 0.12);
}

.page-products .prod-path__who {
  margin: 0;
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  color: var(--teal);
}

.page-products .prod-path__title {
  margin: 0;
  font-size: var(--fs-h4);
  line-height: 1.4;
  color: var(--ink);
}

.page-products .prod-path__steps {
  display: grid;
  gap: 8px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-path__steps li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding-top: 8px;
  border-top: 1px solid rgba(10, 14, 20, 0.14);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--ink);
}

.page-products .prod-path__steps .num {
  font-size: var(--fs-label);
  color: var(--red);
  letter-spacing: 0.1em;
}

.page-products .prod-path__link {
  margin-top: auto;
  padding-top: 12px;
  font-size: var(--fs-sm);
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  align-self: flex-start;
}

.page-products .prod-path__link:hover,
.page-products .prod-path__link:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 结尾引导 ---------- */
.page-products .prod-cta {
  padding: 0 0 clamp(48px, 7vw, 96px);
}

.page-products .prod-cta__inner {
  display: grid;
  gap: 22px;
  padding: clamp(26px, 4vw, 48px);
  background: linear-gradient(120deg, var(--navy) 0%, var(--panel) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.page-products .prod-cta__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), transparent 70%);
}

.page-products .prod-cta__copy h2 {
  margin: 0;
  font-size: var(--fs-h3);
  line-height: 1.25;
  max-width: 20ch;
}

.page-products .prod-cta__copy .prose {
  margin-top: 12px;
  max-width: 42ch;
  color: var(--muted);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .prod-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .prod-drawer__sum {
    flex-wrap: nowrap;
  }
}

@media (min-width: 960px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }

  .page-products .prod-cards {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .prod-card:nth-child(1) { grid-column: span 5; }
  .page-products .prod-card:nth-child(2) { grid-column: span 7; }
  .page-products .prod-card:nth-child(3) { grid-column: span 7; }
  .page-products .prod-card:nth-child(4) { grid-column: span 5; }

  .page-products .prod-shell {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-index {
    position: sticky;
    top: 96px;
  }

  .page-products .prod-index__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .prod-index__link {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
    white-space: normal;
  }

  .page-products .prod-index__link:hover,
  .page-products .prod-index__link:focus-visible {
    border-left-color: var(--cyan);
    color: var(--cyan);
  }

  .page-products .prod-archive__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

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

  .page-products .prod-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .prod-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-products .prod-track__node {
    width: 330px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-card,
  .page-products .prod-track,
  .page-products .prod-drawer__toggle,
  .page-products .prod-drawer__toggle::after {
    transition: none;
  }

  .page-products .prod-card:hover {
    transform: none;
  }

  .page-products .prod-track {
    scroll-behavior: auto;
  }
}
<<<PAGE_CSS_END>>>