.page-products {
  --px-rail-w: 268px;
  --px-gutter: 18px;
}

.page-products .wrap {
  box-sizing: border-box;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  margin: 20px 0 26px;
}

.page-products .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

.page-products .breadcrumbs__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

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

.page-products .breadcrumbs__sep {
  color: var(--line);
}

.page-products .breadcrumbs__current {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .px-hero {
  padding-bottom: 36px;
}

.page-products .px-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.page-products .px-hero__lead {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-products .px-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-products .px-hero__dek {
  margin: 18px 0 0;
  max-width: 38em;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.85;
}

.page-products .px-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  width: 100%;
  display: grid;
  gap: 0;
}

.page-products .px-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
  padding: 10px 0;
}

.page-products .px-hero__facts li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: translateY(-1px);
}

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

.page-products .px-hero__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .px-hero__media::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 34px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  background: linear-gradient(135deg, rgba(47, 227, 210, 0.22), transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.page-products .px-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 7 / 4;
}

/* ---------- 分栏骨架 ---------- */
.page-products .px-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-bottom: 72px;
}

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

.page-products .px-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-products .px-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 12px;
  min-height: 44px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--mist);
  text-decoration: none;
  font-size: 13px;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-products .px-rail__link:hover,
.page-products .px-rail__link:focus-visible {
  border-color: var(--cyan);
  color: var(--white);
}

.page-products .px-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .px-rail__scale {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--graphite);
}

/* ---------- 章节通用 ---------- */
.page-products .px-sec + .px-sec {
  margin-top: 56px;
}

.page-products .px-sec__head {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-bottom: 26px;
}

.page-products .px-sec .sec-num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3.4rem, 15vw, 6.6rem);
  line-height: 0.82;
  letter-spacing: -0.02em;
  color: rgba(47, 227, 210, 0.16);
  display: block;
}

.page-products .px-sec h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2.4rem);
  line-height: 1.12;
  color: var(--white);
  margin: 10px 0 0;
  letter-spacing: -0.005em;
}

.page-products .px-sec__dek {
  margin: 12px 0 0;
  max-width: 38em;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.85;
}

/* ---------- 入口卡组 ---------- */
.page-products .px-entries {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .px-entry {
  flex: 0 0 82%;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.page-products .px-entry::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 42px;
  background: var(--cyan);
}

.page-products .px-entry__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-products .px-entry__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.15;
  color: var(--white);
  margin: 0;
}

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

.page-products .px-entry__fit {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  font-size: 0.82rem;
  color: var(--cyan-soft);
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.page-products .px-entry__fitlabel {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--graphite);
  text-transform: uppercase;
}

/* ---------- 栏目树 ---------- */
.page-products .px-tree-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-products .px-tree {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.page-products .px-tree__node {
  border-bottom: 1px solid var(--line-soft);
  padding: 4px 0;
}

.page-products .px-tree__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  min-height: 44px;
  padding: 8px 0;
}

.page-products .px-tree__summary::-webkit-details-marker {
  display: none;
}

.page-products .px-tree__summary::marker {
  content: "";
}

.page-products .px-tree__dot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  flex: 0 0 auto;
  transform: translateX(-22px);
}

.page-products .px-tree__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-products .px-tree__sub {
  list-style: none;
  margin: 0 0 8px;
  padding: 0 0 0 4px;
  display: grid;
  gap: 8px;
}

.page-products .px-tree__sub li {
  position: relative;
  padding-left: 16px;
  color: var(--mist);
  font-size: 0.88rem;
  line-height: 1.75;
}

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

.page-products .px-tree__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .px-tree__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 9 / 11;
}

.page-products .px-tree__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--graphite);
  padding: 10px 12px;
  border-top: 1px solid var(--line);
}

/* ---------- 时间轴 ---------- */
.page-products .px-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .px-slot {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.page-products .px-slot:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .px-slot__time {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  border-right: 1px solid var(--line);
  padding-right: 16px;
  position: relative;
  align-self: start;
  padding-top: 2px;
}

.page-products .px-slot__time::after {
  content: "";
  position: absolute;
  right: -3.5px;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-products .px-slot__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
  line-height: 1.2;
}

.page-products .px-slot__body p {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 40em;
}

.page-products .px-slot__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

/* ---------- 设备适配 ---------- */
.page-products .px-device {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 18px;
}

.page-products .px-device__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-900);
}

.page-products .px-device__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-products .px-device__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--white);
  line-height: 1.2;
}

.page-products .px-device__body p {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-products .px-device__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .px-device__list li {
  position: relative;
  padding-left: 18px;
  color: var(--cyan-soft);
  font-size: 0.85rem;
  line-height: 1.7;
}

.page-products .px-device__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 版本迭代 ---------- */
.page-products .px-ver {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.page-products .px-ver__big {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4.2rem, 22vw, 10rem);
  line-height: 0.8;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-products .px-ver__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .px-ver__media {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
}

.page-products .px-ver__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 5;
}

.page-products .px-tabs {
  margin-top: 22px;
}

.page-products .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.page-products .tabs__btn {
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background 160ms var(--ease);
}

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

.page-products .tabs__btn[aria-selected="true"] {
  background: rgba(47, 227, 210, 0.12);
  border-color: var(--cyan);
  color: var(--white);
}

.page-products .px-tabpanel {
  border-left: 2px solid var(--line);
  padding: 14px 0 14px 18px;
  margin-top: 18px;
}

.page-products .px-tabpanel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
  line-height: 1.2;
}

.page-products .px-tabpanel p {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.85;
  max-width: 40em;
}

/* ---------- 统计对照 ---------- */
.page-products .px-stats__media {
  margin: 0 0 22px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
}

.page-products .px-stats__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 6;
}

.page-products .px-table-title {
  margin: 32px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--white);
  line-height: 1.2;
}

.page-products .px-table-note {
  margin: 8px 0 14px;
  color: var(--graphite);
  font-size: 0.85rem;
  line-height: 1.7;
}

.page-products .px-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-800);
  -webkit-overflow-scrolling: touch;
}

.page-products .px-table-wrap:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .px-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 780px;
  font-size: 0.85rem;
}

.page-products .px-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ink-700);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .px-table tbody th,
.page-products .px-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--mist);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.page-products .px-table tbody th {
  color: var(--white);
  font-weight: 600;
}

.page-products .px-table tbody tr:hover td,
.page-products .px-table tbody tr:hover th {
  background: rgba(47, 227, 210, 0.06);
}

.page-products .px-table .num {
  font-family: var(--font-mono);
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-products .px-export {
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.page-products .px-export p {
  margin: 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 42em;
}

/* ---------- 对接流程 ---------- */
.page-products .px-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: pxstep;
}

.page-products .px-step {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  display: grid;
  gap: 8px;
}

.page-products .px-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .px-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .px-step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
  line-height: 1.2;
}

.page-products .px-step p {
  margin: 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 42em;
}

.page-products .px-cta {
  margin-top: 30px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: linear-gradient(90deg, rgba(255, 122, 31, 0.1), transparent 60%), var(--ink-800);
  padding: 22px 18px;
  display: grid;
  gap: 16px;
}

.page-products .px-cta__text {
  margin: 0;
  color: var(--white);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 40em;
}

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

/* ---------- 标签微调 ---------- */
.page-products .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--graphite);
  white-space: nowrap;
}

.page-products .tag--cyan {
  border-color: rgba(47, 227, 210, 0.5);
  color: var(--cyan);
}

.page-products .tag--orange {
  border-color: rgba(255, 122, 31, 0.5);
  color: var(--orange);
}

.page-products .tag--green {
  border-color: rgba(70, 208, 138, 0.5);
  color: var(--green);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .px-sec__head {
    grid-template-columns: 118px 1fr;
    gap: 22px;
    align-items: start;
  }

  .page-products .px-sec .sec-num {
    font-size: clamp(4rem, 9vw, 6.6rem);
  }

  .page-products .px-entry {
    flex: 0 0 58%;
  }

  .page-products .px-device {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 22px;
    gap: 24px;
  }

  .page-products .px-steps {
    grid-template-columns: 1fr 1fr;
    gap: 0 26px;
  }

  .page-products .px-step {
    padding: 20px 0;
  }

  .page-products .px-step:last-child {
    border-bottom: 0;
  }

  .page-products .px-step:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .page-products .px-export {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-products .wrap {
    padding-left: 24px;
    padding-right: 24px;
  }

  .page-products .px-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
    padding-top: 32px;
  }

  .page-products .px-hero__media img {
    aspect-ratio: 7 / 4;
  }

  .page-products .px-shell {
    grid-template-columns: var(--px-rail-w) 1fr;
    gap: 48px;
  }

  .page-products .px-rail {
    position: sticky;
    top: 24px;
    border-top: 1px solid var(--line);
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 16px 0 0 18px;
  }

  .page-products .px-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 0;
  }

  .page-products .px-rail__link {
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    padding: 9px 0 9px 12px;
    min-height: 40px;
    font-size: 13.5px;
  }

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

  .page-products .px-tree-layout {
    grid-template-columns: 1fr 0.72fr;
    gap: 30px;
    align-items: start;
  }

  .page-products .px-entries {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    overflow: visible;
    scroll-snap-type: none;
    padding: 0;
  }

  .page-products .px-entry {
    flex: none;
    border: 0;
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
    background: transparent;
    padding: 24px 22px;
    min-height: 100%;
  }

  .page-products .px-entry:last-child {
    border-right: 0;
  }

  .page-products .px-entry::after {
    height: 34px;
    width: 2px;
  }

  .page-products .px-slot {
    grid-template-columns: 108px 1fr;
    gap: 24px;
    padding: 20px 0;
  }

  .page-products .px-slot__time {
    font-size: 17px;
    padding-right: 22px;
  }

  .page-products .px-ver__media {
    margin-top: 26px;
  }

  .page-products .px-table {
    min-width: 900px;
  }
}

@media (min-width: 1180px) {
  .page-products {
    --px-rail-w: 288px;
  }

  .page-products .px-hero__grid {
    gap: 56px;
  }

  .page-products .px-shell {
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .px-rail__link,
  .page-products .tabs__btn {
    transition: none;
  }
}