.page-products {
  --pp-shadow-soft: 0 18px 40px -28px rgba(7, 26, 43, 0.45);
  --pp-rail-gap: 20px;
}

/* 面包屑 */
.page-products .pp-crumb-wrap {
  padding-block: 20px 8px;
}

/* 通用横带 */
.page-products .pp-band {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-products .pp-band--hero {
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(217, 164, 65, 0.16) 0%, rgba(7, 26, 43, 0) 55%),
    linear-gradient(150deg, var(--sj-navy-950) 0%, var(--sj-navy-900) 58%, #0e2e4f 100%);
  color: var(--sj-on-dark);
  padding-top: clamp(36px, 5vw, 64px);
}

.page-products .pp-band--dark {
  background: linear-gradient(180deg, var(--sj-navy-950) 0%, var(--sj-navy-900) 100%);
  color: var(--sj-on-dark);
}

.page-products .pp-band--sand {
  background: var(--sj-sand-050);
  color: var(--sj-ink);
}

.page-products .pp-band--light {
  background: var(--sj-sand-200);
  color: var(--sj-ink);
}

.page-products .pp-band--release {
  background:
    radial-gradient(100% 80% at 0% 100%, rgba(18, 57, 92, 0.55) 0%, rgba(7, 26, 43, 0) 60%),
    linear-gradient(160deg, var(--sj-navy-900) 0%, var(--sj-navy-950) 100%);
  color: var(--sj-on-dark);
}

.page-products .pp-band--cta {
  background: var(--sj-navy-950);
  color: var(--sj-on-dark);
}

/* 章节标题组 */
.page-products .pp-section-head {
  max-width: 720px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pp-h2 {
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-top: 14px;
  color: var(--sj-ink);
  max-width: 22ch;
}

.page-products .pp-h2--dark {
  color: var(--sj-sand-050);
}

.page-products .pp-head-lead {
  margin-top: 16px;
  max-width: 52ch;
  line-height: 1.75;
  color: var(--sj-navy-700);
}

.page-products .pp-head-lead--dark {
  color: var(--sj-on-dark-soft);
}

.page-products .pp-meta--gold {
  color: var(--sj-gold-300);
}

.page-products .pp-hero__eyebrow {
  color: var(--sj-gold-300);
}

/* 首屏 */
.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-products .pp-hero__title {
  margin-top: 16px;
  font-size: clamp(38px, 7.2vw, 84px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--sj-sand-050);
  max-width: 18ch;
}

.page-products .pp-hero__lead {
  margin-top: 22px;
  max-width: 38ch;
  color: var(--sj-on-dark-soft);
  line-height: 1.8;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .pp-hero__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--sj-line);
  background: linear-gradient(160deg, rgba(18, 57, 92, 0.5) 0%, rgba(7, 26, 43, 0.85) 100%);
}

.page-products .pp-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-products .pp-hero__media .sj-media__caption {
  display: block;
  padding: 12px 14px;
  font-family: var(--sj-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sj-on-dark-soft);
  border-top: 1px solid var(--sj-line);
}

/* 双入口 */
.page-products .pp-entry__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
}

.page-products .pp-entry__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .pp-entry__card {
  position: relative;
  padding: clamp(24px, 3vw, 34px);
  background: #fffdf7;
  border: 1px solid var(--sj-line);
  box-shadow: var(--pp-shadow-soft);
}

.page-products .pp-entry__card--accent {
  background: var(--sj-sand-050);
  border-color: var(--sj-gold-500);
}

.page-products .pp-entry__card-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-products .pp-entry__card-title {
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 800;
  color: var(--sj-ink);
}

.page-products .pp-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-family: var(--sj-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--sj-navy-900);
  border: 1px solid var(--sj-line);
  flex: 0 0 auto;
}

.page-products .pp-num--gold {
  color: var(--sj-navy-950);
  background: var(--sj-gold-300);
  border-color: var(--sj-gold-500);
}

.page-products .pp-entry__card p {
  line-height: 1.75;
  color: var(--sj-navy-700);
}

.page-products .pp-list {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pp-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sj-navy-700);
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 1px;
  background: var(--sj-gold-500);
}

.page-products .pp-list--dark li {
  color: var(--sj-on-dark-soft);
}

.page-products .pp-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 15px;
  color: var(--sj-navy-700);
  text-decoration: none;
  border-bottom: 1px solid var(--sj-gold-500);
  padding-bottom: 2px;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-products .pp-link:hover,
.page-products .pp-link:focus-visible {
  color: var(--sj-gold-500);
}

.page-products .pp-link--light {
  color: var(--sj-sand-050);
}

.page-products .pp-link--light:hover,
.page-products .pp-link--light:focus-visible {
  color: var(--sj-gold-300);
}

.page-products .pp-entry__side {
  padding: clamp(22px, 3vw, 28px);
  border: 1px solid var(--sj-line);
  background: rgba(255, 255, 255, 0.5);
  align-self: start;
}

.page-products .pp-facts {
  margin: 16px 0 0;
  display: grid;
  gap: 0;
}

.page-products .pp-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-block: 12px;
  border-top: 1px solid var(--sj-line);
}

.page-products .pp-facts__row:first-child {
  border-top: none;
  padding-top: 0;
}

.page-products .pp-facts dt {
  font-family: var(--sj-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--sj-navy-700);
}

.page-products .pp-facts dd {
  margin: 0;
  font-weight: 700;
  font-size: 15px;
  color: var(--sj-ink);
  text-align: right;
}

/* 六大模块 */
.page-products .pp-modules__shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--sj-line);
  background: rgba(11, 36, 64, 0.35);
}

.page-products .pp-modules__list {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--sj-line);
  scrollbar-width: thin;
}

.page-products .pp-mod-tab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 16px 20px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--sj-line-soft);
  color: var(--sj-on-dark-soft);
  font-family: var(--sj-sans);
  font-size: 14px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.page-products .pp-mod-tab:hover,
.page-products .pp-mod-tab:focus-visible {
  background: rgba(217, 164, 65, 0.1);
  color: var(--sj-sand-050);
}

.page-products .pp-mod-tab[aria-selected="true"] {
  background: rgba(217, 164, 65, 0.16);
  color: var(--sj-sand-050);
  box-shadow: inset 0 -2px 0 var(--sj-gold-500);
}

.page-products .pp-mod-tab__num {
  font-family: var(--sj-mono);
  font-size: 12px;
  color: var(--sj-gold-300);
}

.page-products .pp-mod-tab__label {
  font-weight: 700;
  white-space: nowrap;
}

.page-products .pp-modules__panels {
  padding: clamp(24px, 3.6vw, 40px);
  min-height: 200px;
}

.page-products .pp-mod-panel__title {
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 800;
  color: var(--sj-sand-050);
  margin-bottom: 12px;
}

.page-products .pp-mod-panel__body {
  max-width: 56ch;
  line-height: 1.8;
  color: var(--sj-on-dark-soft);
  font-size: 16px;
}

.page-products .pp-mod-panel__note {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--sj-gold-500);
  font-family: var(--sj-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--sj-gold-300);
}

.page-products .pp-modules__media {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid var(--sj-line);
}

.page-products .pp-modules__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-modules__media .sj-media__caption {
  display: block;
  padding: 12px 14px;
  font-family: var(--sj-mono);
  font-size: 12px;
  color: var(--sj-on-dark-soft);
  border-top: 1px solid var(--sj-line);
}

/* 版本卡 */
.page-products .pp-release__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.page-products .pp-release__head-copy {
  max-width: 680px;
}

.page-products .pp-release__badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border: 1px solid var(--sj-line);
  background: rgba(217, 164, 65, 0.08);
}

.page-products .pp-release__ver {
  font-family: var(--sj-mono);
  font-size: 28px;
  font-weight: 800;
  color: var(--sj-gold-300);
  letter-spacing: 0.02em;
}

.page-products .pp-release__rail {
  display: flex;
  gap: var(--pp-rail-gap);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  padding-bottom: 18px;
  scrollbar-width: thin;
}

.page-products .pp-rel-card {
  flex: 0 0 82%;
  min-width: 240px;
  scroll-snap-align: start;
  padding: clamp(22px, 3vw, 28px);
  border: 1px solid var(--sj-line);
  background: rgba(7, 26, 43, 0.55);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .pp-rel-card--gold {
  border-color: var(--sj-gold-500);
  background: rgba(217, 164, 65, 0.1);
}

.page-products .pp-rel-card__num {
  font-family: var(--sj-mono);
  font-size: 13px;
  color: var(--sj-gold-300);
  letter-spacing: 0.06em;
}

.page-products .pp-rel-card__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--sj-sand-050);
}

.page-products .pp-rel-card__body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--sj-on-dark-soft);
  flex: 1;
}

.page-products .pp-rel-card__tag {
  font-family: var(--sj-mono);
  font-size: 12px;
  color: var(--sj-mist);
  padding-top: 12px;
  border-top: 1px solid var(--sj-line-soft);
}

.page-products .pp-release__media {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid var(--sj-line);
}

.page-products .pp-release__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 时间轴 */
.page-products .pp-timeline__media {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border: 1px solid var(--sj-line);
}

.page-products .pp-timeline__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-timeline__list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--sj-line);
}

.page-products .pp-tl {
  border-bottom: 1px solid var(--sj-line);
}

.page-products .pp-tl__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-tl__head::-webkit-details-marker {
  display: none;
}

.page-products .pp-tl__head::after {
  content: "";
  margin-left: auto;
  width: 10px;
  height: 10px;
  border-right: 1px solid var(--sj-gold-500);
  border-bottom: 1px solid var(--sj-gold-500);
  transform: rotate(45deg);
  transition: transform 200ms ease;
  flex: 0 0 auto;
}

.page-products .pp-tl[open] .pp-tl__head::after {
  transform: rotate(-135deg);
}

.page-products .pp-tl__ver {
  font-family: var(--sj-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--sj-gold-500);
  width: 56px;
  flex: 0 0 auto;
}

.page-products .pp-tl__ver--active {
  color: var(--sj-coral);
}

.page-products .pp-tl__label {
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  color: var(--sj-ink);
}

.page-products .pp-tl__body {
  padding: 0 0 22px 72px;
}

.page-products .pp-tl__body p {
  line-height: 1.75;
  color: var(--sj-navy-700);
  max-width: 56ch;
}

/* 场景 */
.page-products .pp-scenes__shell {
  border: 1px solid rgba(7, 16, 24, 0.14);
  background: rgba(255, 255, 255, 0.45);
}

.page-products .pp-scenes__list {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid rgba(7, 16, 24, 0.14);
  scrollbar-width: thin;
}

.page-products .pp-scene-tab {
  flex: 0 0 auto;
  padding: 16px 22px;
  background: transparent;
  border: none;
  border-right: 1px solid rgba(7, 16, 24, 0.08);
  font-family: var(--sj-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--sj-navy-700);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.page-products .pp-scene-tab:hover,
.page-products .pp-scene-tab:focus-visible {
  background: rgba(7, 26, 43, 0.05);
}

.page-products .pp-scene-tab[aria-selected="true"] {
  color: var(--sj-ink);
  box-shadow: inset 0 -2px 0 var(--sj-gold-500);
}

.page-products .pp-scenes__panels {
  padding: clamp(24px, 3.4vw, 36px);
  min-height: 220px;
}

.page-products .pp-scene-panel__title {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  color: var(--sj-ink);
  margin-bottom: 10px;
}

.page-products .pp-scene-panel__body {
  max-width: 56ch;
  line-height: 1.8;
  color: var(--sj-navy-700);
}

.page-products .pp-scenes__media {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid rgba(7, 16, 24, 0.14);
}

.page-products .pp-scenes__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* CTA */
.page-products .pp-cta__panel {
  padding: clamp(30px, 5vw, 56px);
  border: 1px solid var(--sj-line);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(217, 164, 65, 0.14) 0%, rgba(7, 26, 43, 0) 60%),
    linear-gradient(160deg, var(--sj-navy-900) 0%, var(--sj-navy-950) 100%);
}

.page-products .pp-cta__title {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.15;
  font-weight: 800;
  color: var(--sj-sand-050);
  margin-top: 14px;
  max-width: 22ch;
}

.page-products .pp-cta__lead {
  margin-top: 16px;
  max-width: 54ch;
  line-height: 1.8;
  color: var(--sj-on-dark-soft);
}

.page-products .pp-cta__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
}

/* 平板及桌面 */
@media (min-width: 720px) {
  .page-products .pp-entry__main {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pp-redis-rail {
    /* placeholder for potential future tune */
  }

  .page-products .pp-rel-card {
    flex: 0 0 calc((100% - var(--pp-rail-gap) * 2) / 3);
  }
}

@media (min-width: 960px) {
  .page-products .pp-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-products .pp-entry__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-products .pp-entry__side {
    position: sticky;
    top: calc(var(--sj-header-h) + 24px);
  }

  .page-products .pp-modules__shell {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .page-products .pp-modules__list {
    flex-direction: column;
    overflow-x: visible;
    border-bottom: none;
    border-right: 1px solid var(--sj-line);
  }

  .page-products .pp-mod-tab {
    border-right: none;
    border-bottom: 1px solid var(--sj-line-soft);
    justify-content: flex-start;
  }

  .page-products .pp-mod-tab[aria-selected="true"] {
    box-shadow: inset 3px 0 0 var(--sj-gold-500);
  }

  .page-products .pp-modules__panels {
    padding: clamp(32px, 4vw, 52px);
  }

  .page-products .pp-rel-card {
    flex: 0 0 calc((100% - var(--pp-rail-gap) * 3) / 4);
  }

  .page-products .pp-tl__body {
    padding-left: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-link,
  .page-products .pp-mod-tab,
  .page-products .pp-scene-tab,
  .page-products .pp-tl__head::after {
    transition: none;
  }
}
<<<END>>>