.page-products {
  --prod-cap-col: clamp(3rem, 7vw, 6rem);
  --prod-cap-num: clamp(1.9rem, 5vw, 3.4rem);
  --prod-edge: clamp(1rem, 3.2vw, 2.4rem);
}

/* ---------- 页首 ---------- */
.page-products .breadcrumb {
  padding-top: var(--gap-s);
}

.page-products .page-head {
  position: relative;
  display: grid;
  gap: var(--gap-s);
  padding-block: clamp(1.4rem, 4vw, 2.4rem) var(--gap-l);
  border-bottom: var(--rule);
}

.page-products .page-head__code {
  margin: 0;
  font-family: var(--font-data);
  font-size: .8rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-products .page-head__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.16;
  letter-spacing: -.01em;
  max-width: 24ch;
  color: var(--chalk);
}

.page-products .page-head__lede {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .prod-head-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-s) var(--gap-m);
  margin: var(--gap-xs) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-head-tags li {
  font-family: var(--font-data);
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--chalk);
  padding-left: .7rem;
  border-left: 2px solid var(--neon);
}

/* ---------- 六项能力总览 ---------- */
.page-products .page-products__caps {
  padding-top: var(--gap-xl);
}

.page-products .caps-intro {
  display: grid;
  gap: var(--gap-l);
}

.page-products .caps-intro__text h2 {
  margin: var(--gap-xs) 0 var(--gap-s);
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: var(--chalk);
}

.page-products .caps-intro__text p {
  margin: 0;
  max-width: 42em;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .caps-intro__figure {
  margin: 0;
  border-radius: var(--r-m);
  overflow: hidden;
  border: var(--rule);
}

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

.page-products .image-frame__caption {
  display: block;
  padding: var(--gap-s) var(--gap-m);
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--mist);
  background: var(--ink-carbon);
  border-top: var(--rule);
}

.page-products .cap-bands {
  margin-top: var(--gap-xl);
}

/* ---------- 功能横带 ---------- */
.page-products .cap-band {
  position: relative;
  padding-block: clamp(1.6rem, 4vw, 2.6rem);
  background:
    linear-gradient(96deg, rgba(20, 50, 40, .62) 0%, rgba(20, 50, 40, .12) 48%, rgba(6, 20, 15, 0) 74%);
  transition: background var(--dur) var(--ease);
}

.page-products .cap-band:hover {
  background:
    linear-gradient(96deg, rgba(20, 50, 40, .92) 0%, rgba(20, 50, 40, .22) 54%, rgba(6, 20, 15, 0) 80%);
}

.page-products .cap-band__inner {
  display: grid;
  gap: var(--gap-m);
}

.page-products .cap-band__no {
  margin: 0;
  font-family: var(--font-num);
  font-size: var(--prod-cap-num);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-blue);
  transition: -webkit-text-stroke-color var(--dur) var(--ease);
}

.page-products .cap-band:hover .cap-band__no {
  -webkit-text-stroke-color: var(--neon);
}

.page-products .cap-band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--gap-s);
  margin-bottom: var(--gap-xs);
}

.page-products .cap-band__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.3;
  color: var(--chalk);
}

.page-products .cap-band__text {
  margin: 0;
  max-width: 40em;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .cap-band__text a {
  color: var(--neon);
}

.page-products .cap-band__facts {
  display: grid;
  gap: var(--gap-xs);
  margin: var(--gap-m) 0 0;
  padding: var(--gap-s) 0 0;
  border-top: var(--rule);
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.page-products .cap-band__facts > div {
  display: grid;
  gap: 2px;
}

.page-products .cap-band__facts dt {
  font-family: var(--font-data);
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .cap-band__facts dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: .95rem;
  color: var(--chalk);
}

.page-products .cap-band__media {
  margin: 0;
  border-radius: var(--r-s);
  overflow: hidden;
  border: var(--rule);
}

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

.page-products .cap-band__aside {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding-left: var(--gap-m);
  border-left: 1px solid var(--line-blue);
}

.page-products .cap-band:hover .cap-band__aside {
  border-left-color: var(--neon);
}

.page-products .cap-band__anchor {
  font-family: var(--font-num);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-products .cap-band__anchor small {
  font-size: .5em;
  letter-spacing: .04em;
}

.page-products .cap-band__anchor-label {
  font-family: var(--font-data);
  font-size: .76rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 版本条 ---------- */
.page-products .page-products__versions {
  padding-block: var(--gap-xl) var(--gap-l);
  background: var(--ink-carbon);
  border-top: var(--rule);
  border-bottom: var(--rule);
}

.page-products .page-products__versions h2 {
  margin: var(--gap-xs) 0 var(--gap-s);
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--chalk);
}

.page-products .versions-lede {
  margin: 0;
  max-width: 44em;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .version-rail {
  display: flex;
  gap: var(--gap-m);
  margin: var(--gap-l) 0 0;
  padding: 0 0 var(--gap-m);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line-blue) transparent;
}

.page-products .version-rail::-webkit-scrollbar {
  height: 6px;
}

.page-products .version-rail::-webkit-scrollbar-thumb {
  background: var(--line-blue);
  border-radius: var(--r-pill);
}

.page-products .version-card {
  flex: 0 0 clamp(200px, 60vw, 244px);
  scroll-snap-align: start;
  display: grid;
  gap: var(--gap-xs);
  align-content: start;
  padding: var(--gap-m);
  background: var(--ink-deep);
  border: var(--rule);
  border-radius: var(--r-m);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .version-card:hover,
.page-products .version-card:focus-within {
  border-color: var(--neon);
  transform: translateY(-3px);
}

.page-products .version-card__num {
  font-family: var(--font-num);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--neon);
}

.page-products .version-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .version-card--latest {
  background: linear-gradient(180deg, rgba(255, 162, 58, .16) 0%, var(--ink-deep) 72%);
  border-color: rgba(255, 162, 58, .55);
}

.page-products .version-card--latest .version-card__num {
  color: var(--amber);
}

.page-products .version-card--latest .version-card__note {
  color: var(--chalk);
}

/* ---------- 安装与前提 ---------- */
.page-products .page-products__install {
  padding-block: var(--gap-xl);
}

.page-products .install-grid {
  display: grid;
  gap: var(--gap-l);
}

.page-products .install-copy h2 {
  margin: var(--gap-xs) 0 var(--gap-s);
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.32;
  color: var(--chalk);
}

.page-products .install-copy > p {
  margin: 0;
  max-width: 42em;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .install-list {
  display: grid;
  gap: var(--gap-s);
  margin: var(--gap-m) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .install-list li {
  padding: var(--gap-s) 0 var(--gap-s) var(--gap-m);
  border-left: 2px solid var(--line-blue);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  transition: border-color var(--dur) var(--ease);
}

.page-products .install-list li:hover {
  border-left-color: var(--neon);
}

.page-products .install-list__key {
  display: inline-block;
  margin-right: .6rem;
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--chalk);
}

.page-products .install-figure {
  margin: 0;
  max-width: 300px;
  justify-self: start;
  border-radius: var(--r-m);
  overflow: hidden;
  border: var(--rule);
}

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

/* ---------- 场景切换 ---------- */
.page-products .page-products__scenes {
  padding-block: var(--gap-xl);
  border-top: var(--rule);
}

.page-products .page-products__scenes h2 {
  margin: var(--gap-xs) 0 var(--gap-s);
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--chalk);
}

.page-products .scenes-lede {
  margin: 0;
  max-width: 44em;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .scene-switch {
  position: relative;
  margin-top: var(--gap-l);
}

.page-products .scene-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .scene-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-xs);
  margin-bottom: var(--gap-m);
}

.page-products .scene-switch__tab {
  cursor: pointer;
  padding: .5rem 1.05rem;
  font-family: var(--font-data);
  font-size: .86rem;
  letter-spacing: .1em;
  color: var(--mist);
  border: var(--rule);
  border-radius: var(--r-pill);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .scene-switch__tab:hover {
  color: var(--chalk);
  border-color: var(--neon);
}

.page-products #p-scene-1:checked ~ .scene-switch__tabs [for="p-scene-1"],
.page-products #p-scene-2:checked ~ .scene-switch__tabs [for="p-scene-2"],
.page-products #p-scene-3:checked ~ .scene-switch__tabs [for="p-scene-3"] {
  color: var(--ink-deep);
  background: var(--neon);
  border-color: var(--neon);
}

.page-products #p-scene-1:focus-visible ~ .scene-switch__tabs [for="p-scene-1"],
.page-products #p-scene-2:focus-visible ~ .scene-switch__tabs [for="p-scene-2"],
.page-products #p-scene-3:focus-visible ~ .scene-switch__tabs [for="p-scene-3"] {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-products .scene-panel {
  display: none;
  gap: var(--gap-s);
  padding: var(--gap-m) var(--gap-m) var(--gap-m) calc(var(--gap-m) + 2px);
  background: var(--ink-turf);
  border-left: 3px solid var(--neon);
  border-radius: 0 var(--r-m) var(--r-m) 0;
}

.page-products #p-scene-1:checked ~ .scene-panel--1,
.page-products #p-scene-2:checked ~ .scene-panel--2,
.page-products #p-scene-3:checked ~ .scene-panel--3 {
  display: grid;
}

.page-products .scene-panel__order {
  margin: 0;
  font-family: var(--font-data);
  font-size: .92rem;
  letter-spacing: .08em;
  color: var(--neon);
}

.page-products .scene-panel p {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 口径折叠 ---------- */
.page-products .page-products__specs {
  padding-block: var(--gap-xl);
  border-top: var(--rule);
}

.page-products .page-products__specs h2 {
  margin: var(--gap-xs) 0 var(--gap-m);
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--chalk);
}

.page-products .specs-list {
  display: grid;
  gap: 0;
  max-width: 62em;
  border-top: var(--rule);
}

.page-products .specs-list .details-panel {
  border-bottom: var(--rule);
}

.page-products .specs-list summary {
  cursor: pointer;
  padding: var(--gap-m) 0;
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  color: var(--chalk);
  transition: color var(--dur) var(--ease);
}

.page-products .specs-list summary:hover {
  color: var(--neon);
}

.page-products .specs-list summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
}

.page-products .specs-list .details-panel__body {
  padding-bottom: var(--gap-m);
}

.page-products .specs-list .details-panel__body p {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 使用边界 ---------- */
.page-products .page-products__limits {
  padding-block: var(--gap-l);
  background: var(--ink-turf);
  border-top: var(--rule);
  border-bottom: var(--rule);
}

.page-products .limits-inner {
  display: grid;
  gap: var(--gap-m);
}

.page-products .limits-title {
  margin: var(--gap-xs) 0 var(--gap-s);
  font-family: var(--font-title);
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--chalk);
}

.page-products .limits-text p {
  margin: 0;
  max-width: 48em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .limits-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-s);
  align-self: end;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .cap-band__inner {
    grid-template-columns: var(--prod-cap-col) minmax(0, 1fr) minmax(11rem, 15rem);
    gap: var(--gap-l);
    align-items: start;
  }

  .page-products .cap-band--media .cap-band__inner {
    grid-template-columns: var(--prod-cap-col) minmax(0, 1fr) minmax(13rem, 21rem) minmax(9rem, 12rem);
  }

  .page-products .cap-band__no {
    padding-top: .2rem;
  }
}

@media (min-width: 900px) {
  .page-products .caps-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: var(--gap-xl);
    align-items: end;
  }

  .page-products .install-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    gap: var(--gap-xl);
    align-items: start;
  }

  .page-products .install-figure {
    justify-self: end;
  }

  .page-products .limits-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--gap-l);
  }
}

@media (min-width: 1120px) {
  .page-products .version-rail {
    overflow-x: visible;
  }

  .page-products .version-card {
    flex: 1 1 0;
  }
}

@media (max-width: 759px) {
  .page-products .cap-band__aside {
    flex-direction: row;
    align-items: baseline;
    gap: var(--gap-s);
    padding-left: 0;
    padding-top: var(--gap-xs);
    border-left: 0;
    border-top: 1px solid var(--line-blue);
  }
}

@media (max-width: 480px) {
  .page-products .prod-head-tags li {
    font-size: .76rem;
  }

  .page-products .scene-switch__tabs {
    flex-direction: column;
    align-items: stretch;
  }

  .page-products .scene-switch__tab {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cap-band,
  .page-products .cap-band__no,
  .page-products .cap-band__aside,
  .page-products .version-card,
  .page-products .install-list li,
  .page-products .scene-switch__tab {
    transition: none;
  }

  .page-products .version-card:hover,
  .page-products .version-card:focus-within {
    transform: none;
  }
}