.page-products {
  --prod-line: rgba(42, 74, 112, 0.62);
  --prod-line-soft: rgba(42, 74, 112, 0.36);
  --prod-ink-line: rgba(18, 36, 59, 0.16);
  --prod-amber-wash: rgba(255, 176, 32, 0.12);
  --prod-orange-wash: rgba(242, 101, 34, 0.09);
  display: block;
  background: var(--night);
  color: var(--snow);
  font-family: var(--sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .page-top.prod-hero {
  padding-top: calc(var(--header-h) + 44px);
  padding-bottom: 60px;
  border-bottom: 1px solid var(--prod-line);
}

.page-products .prod-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 28px;
}

.page-products .prod-hero-main h1 {
  margin: 16px 0 0;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  font-weight: 800;
}

.page-products .prod-lead {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .prod-hero-side {
  padding: 26px 24px 20px;
  border: 1px solid var(--prod-line);
  background: linear-gradient(180deg, rgba(20, 48, 79, 0.72), rgba(11, 27, 51, 0.4));
}

.page-products .prod-ver-badge {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: clamp(46px, 8vw, 62px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-products .prod-facts {
  margin: 22px 0 0;
  border-top: 1px solid var(--prod-line-soft);
}

.page-products .prod-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--prod-line-soft);
}

.page-products .prod-facts dt {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-products .prod-facts dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--snow);
  text-align: right;
}

/* ---------- 面板基座 ---------- */
.page-products .prod-block {
  padding-block: 68px;
}

.page-products .section-num {
  font-family: var(--mono);
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .prod-block .section-lead {
  max-width: 58ch;
}

/* ---------- 轮次索引桌面端截图 ---------- */
.page-products .prod-shot {
  margin: 34px 0 0;
}

.page-products .prod-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--prod-line);
}

.page-products .prod-shot--desk img {
  aspect-ratio: 14 / 9;
}

.page-products .prod-shot figcaption {
  margin-top: 10px;
  color: var(--mist);
}

/* ---------- 01 功能矩阵 ---------- */
.page-products .prod-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 40px;
  border-top: 1px solid var(--prod-line);
  border-left: 1px solid var(--prod-line);
}

.page-products .prod-feature {
  padding: 28px 24px 30px;
  border-right: 1px solid var(--prod-line);
  border-bottom: 1px solid var(--prod-line);
}

.page-products .prod-feature .expand-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-products .prod-feature .expand-index {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .prod-feature .expand-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.page-products .prod-feature .expand-panel-inner {
  padding-top: 16px;
}

.page-products .prod-feature .expand-panel-inner p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .prod-feature .expand-panel-inner p:last-child {
  margin-bottom: 0;
}

@media (min-width: 820px) {
  .page-products .prod-feature-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .page-products .prod-feature--lg {
    grid-column: span 7;
  }
  .page-products .prod-feature--md {
    grid-column: span 5;
  }
}

/* ---------- 02 重点场次筛选 ---------- */
.page-products .prod-sift {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 36px;
}

.page-products .prod-sift-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: sift;
}

.page-products .prod-sift-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  counter-increment: sift;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--prod-ink-line);
}

.page-products .prod-sift-list li:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-products .prod-sift-list li::before {
  content: counter(sift, decimal-leading-zero);
  grid-column: 1;
  grid-row: 1;
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-products .prod-sift-list h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.04em;
}

.page-products .prod-sift-list p {
  grid-column: 2;
  grid-row: 2;
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted-ink);
}

.page-products .prod-sift-note {
  margin: 30px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--orange);
  background: var(--prod-orange-wash);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .prod-sift-side .prod-shot {
  margin-top: 0;
}

.page-products .prod-shot--mark img {
  aspect-ratio: 12 / 7;
}

.page-products .prod-sift-side .prod-shot figcaption {
  color: var(--muted-ink);
}

@media (min-width: 900px) {
  .page-products .prod-sift {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 03 三种定位方式 ---------- */
.page-products .prod-locate {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 40px;
  border-top: 1px solid var(--prod-line);
  border-left: 1px solid var(--prod-line);
}

.page-products .prod-locate-item {
  padding: 26px 24px 30px;
  border-right: 1px solid var(--prod-line);
  border-bottom: 1px solid var(--prod-line);
}

.page-products .prod-locate-item h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.05em;
}

.page-products .prod-locate-item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .prod-wire {
  margin-bottom: 20px;
  padding: 14px;
  border: 1px solid var(--prod-line-soft);
  background: rgba(11, 27, 51, 0.45);
}

.page-products .prod-wire svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .prod-wire rect,
.page-products .prod-wire line,
.page-products .prod-wire path {
  fill: none;
  stroke: var(--star);
  stroke-width: 1.5;
}

.page-products .prod-wire .is-hot {
  stroke: var(--orange);
}

.page-products .prod-wire .is-dim {
  stroke: var(--star);
  opacity: 0.45;
}

.page-products .prod-wire text {
  fill: var(--snow);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

@media (min-width: 820px) {
  .page-products .prod-locate {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 04 多设备同步 ---------- */
.page-products .prod-sync {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 36px;
}

.page-products .prod-sync-copy h3 {
  margin: 0 0 14px;
  font-size: 22px;
  letter-spacing: 0.04em;
}

.page-products .prod-sync-copy p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--muted-ink);
}

.page-products .prod-sync-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-products .prod-sync-list li {
  position: relative;
  padding: 0 0 0 30px;
  margin-bottom: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted-ink);
}

.page-products .prod-sync-list li:last-child {
  margin-bottom: 0;
}

.page-products .prod-sync-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 16px;
  height: 1px;
  background: var(--orange);
}

.page-products .prod-sync-tail {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--prod-ink-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .prod-sync-figure {
  margin: 0;
}

.page-products .prod-sync-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--prod-ink-line);
}

.page-products .prod-sync-figure figcaption {
  margin-top: 10px;
  color: var(--muted-ink);
}

@media (min-width: 900px) {
  .page-products .prod-sync {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
  }
}

/* ---------- 05 版本演进 ---------- */
.page-products .prod-vers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 40px;
}

.page-products .prod-vers-track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 14px;
  scrollbar-width: thin;
}

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

.page-products .prod-vers-node {
  position: relative;
  flex: 1 0 218px;
  padding: 26px 22px 18px 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-vers-node::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 13px;
  height: 13px;
  margin-top: -6px;
  background: var(--star);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-products .prod-vers-node--now::before {
  background: var(--amber);
}

.page-products .prod-vers-node .expand-index {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
  margin-bottom: 6px;
}

.page-products .prod-vers-node .expand-trigger {
  display: block;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-products .prod-vers-node .expand-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.03em;
  padding-bottom: 10px;
}

.page-products .prod-vers-node .expand-panel-inner {
  padding: 12px 0 4px;
  border-top: 1px solid var(--prod-line-soft);
}

.page-products .prod-vers-node .expand-panel-inner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .prod-vers-node--now .expand-title {
  color: var(--amber);
}

.page-products .prod-vers-figure {
  margin: 0;
}

.page-products .prod-vers-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--prod-line);
}

@media (min-width: 1000px) {
  .page-products .prod-vers {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 06 出口 ---------- */
.page-products .prod-block--end {
  padding-bottom: 76px;
}

.page-products .prod-doors {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--prod-ink-line);
}

.page-products .prod-doors li {
  border-bottom: 1px solid var(--prod-ink-line);
}

.page-products .prod-doors a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 22px 0;
  text-decoration: none;
  color: inherit;
  transition: background-color 180ms var(--ease);
}

.page-products .prod-doors .mono-label {
  color: var(--muted-ink);
}

.page-products .prod-doors strong {
  font-size: 18px;
  letter-spacing: 0.03em;
  color: var(--ink);
  transition: color 180ms var(--ease);
}

.page-products .prod-doors a:hover strong,
.page-products .prod-doors a:focus-visible strong {
  color: var(--orange);
}

.page-products .prod-doors a:hover {
  background: var(--prod-orange-wash);
}

@media (min-width: 760px) {
  .page-products .prod-doors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

/* ---------- 底部通栏 ---------- */
.page-products .prod-banner {
  margin: 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

/* ---------- 交互微调 ---------- */
.page-products .expand-trigger:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

@media (max-width: 480px) {
  .page-products .prod-block {
    padding-block: 52px;
  }
  .page-products .prod-hero-side {
    padding: 22px 18px 16px;
  }
  .page-products .prod-sift-list li {
    grid-template-columns: 36px minmax(0, 1fr);
  }
  .page-products .prod-vers-node {
    flex: 0 0 200px;
  }
}