.page-products .pd-mono {
  font-family: var(--mono);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: 26px 0 40px;
  border-bottom: 1px solid var(--board);
  background:
    radial-gradient(120% 100% at 92% 0%, rgba(59, 240, 200, .10), transparent 55%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 72%);
  overflow: hidden;
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background-image:
    linear-gradient(var(--board) 1px, transparent 1px),
    linear-gradient(90deg, var(--board) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: .3;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(205deg, #000, transparent 72%);
  mask-image: linear-gradient(205deg, #000, transparent 72%);
}

.page-products .pd-hero__wrap {
  position: relative;
  display: grid;
  gap: 30px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.page-products .pd-hero__wrap::before,
.page-products .pd-hero__wrap::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--cyan);
  opacity: .5;
  pointer-events: none;
}

.page-products .pd-hero__wrap::before {
  top: 0;
  left: 0;
  border-right: 0;
  border-bottom: 0;
}

.page-products .pd-hero__wrap::after {
  bottom: 0;
  right: 0;
  border-left: 0;
  border-top: 0;
}

.page-products .pd-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 15px;
  min-width: 0;
}

.page-products .pd-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-products .pd-hero__kicker .pd-mono {
  color: var(--cyan);
  border: 1px solid var(--edge);
  padding: 3px 7px;
  font-size: 11px;
}

.page-products .pd-hero h1 {
  margin: 0;
  font-size: clamp(27px, 6.4vw, 50px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -.025em;
  color: var(--text);
}

.page-products .pd-hero__lede {
  margin: 0;
  max-width: 43ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products .pd-hero__facts {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  border-top: 1px solid var(--board);
}

.page-products .pd-hero__facts li {
  padding: 12px 0;
  border-bottom: 1px solid var(--board);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--text);
}

.page-products .pd-hero__facts span {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: 5px;
}

.page-products .pd-hero__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.page-products .pd-phone {
  position: relative;
  width: min(290px, 80%);
  padding: 15px 11px 11px;
  border: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(30, 90, 76, .28), rgba(2, 13, 10, .72));
}

.page-products .pd-phone::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: var(--board);
}

.page-products .pd-phone::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 2px;
  background: var(--cyan);
  opacity: .6;
  pointer-events: none;
}

.page-products .pd-phone img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--board);
}

.page-products .pd-figcap {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  text-align: center;
}

@media (min-width: 640px) {
  .page-products .pd-hero__facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pd-hero__facts li {
    padding-right: 16px;
    border-bottom: 0;
    border-right: 1px solid var(--board);
  }

  .page-products .pd-hero__facts li:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero {
    padding: 34px 0 52px;
  }

  .page-products .pd-hero__wrap {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .82fr);
    gap: 48px;
    align-items: start;
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .page-products .pd-hero__figure {
    align-items: flex-end;
  }
}

/* ---------- 区块通用 ---------- */
.page-products .pd-block {
  padding: 44px 0;
  border-bottom: 1px solid var(--board);
}

/* ---------- 下载入口 ---------- */
.page-products .pd-entries {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-products .pd-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px;
  background: linear-gradient(180deg, rgba(12, 42, 33, .92), rgba(6, 28, 22, .92));
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-products .pd-entry:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-products .pd-entry--main::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pd-entry__tag {
  margin: 0;
}

.page-products .pd-entry__name {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-products .pd-entry__ver {
  margin: 0;
  font-size: 12px;
  color: var(--cyan);
}

.page-products .pd-entry__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pd-entry__list {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pd-entry__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.page-products .pd-entry__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pd-entry__btn {
  margin-top: auto;
  align-self: flex-start;
}

@media (min-width: 820px) {
  .page-products .pd-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-products .pd-band {
  margin: 30px 0 0;
  padding: 16px;
  display: grid;
  gap: 14px;
  border: 1px solid var(--board);
  background: rgba(12, 42, 33, .5);
}

.page-products .pd-band img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--board);
}

.page-products .pd-band__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pd-band__text strong {
  color: var(--cyan);
  font-weight: 700;
}

@media (min-width: 780px) {
  .page-products .pd-band {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: center;
    gap: 26px;
    padding: 18px 20px;
  }
}

/* ---------- 功能特性 ---------- */
.page-products .pd-wave {
  margin: 26px 0 0;
  border: 1px solid var(--board);
  background: var(--ink-2);
}

.page-products .pd-wave img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-wave figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--board);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .pd-features {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-products .pd-axis {
  border-left: 0;
  padding-left: 0;
}

.page-products .pd-axis__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-products .pd-axis__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-axis__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--board);
  font-size: 14px;
  color: var(--text);
}

.page-products .pd-axis__list li span {
  color: var(--cyan);
  font-size: 12px;
}

.page-products .pd-feature {
  border: 1px solid var(--edge);
  background: rgba(12, 42, 33, .6);
  margin-bottom: 14px;
  transition: border-color .28s var(--ease), transform .28s var(--ease), background-color .28s var(--ease);
}

.page-products .pd-feature:last-child {
  margin-bottom: 0;
}

.page-products .pd-feature:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pd-feature[open] {
  border-color: var(--cyan);
  background: rgba(12, 42, 33, .95);
}

.page-products .pd-feature > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
}

.page-products .pd-feature > summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-feature > summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -3px;
}

.page-products .pd-feature__no {
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.03em;
}

.page-products .pd-feature__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-products .pd-feature__hint {
  display: none;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .pd-feature__hint::before {
  content: "展开";
}

.page-products .pd-feature__hint::after {
  content: " +";
  color: var(--cyan);
}

.page-products .pd-feature[open] .pd-feature__hint::before {
  content: "收起";
}

.page-products .pd-feature[open] .pd-feature__hint::after {
  content: " −";
}

.page-products .pd-feature__body {
  padding: 0 18px 20px;
}

.page-products .pd-feature__body p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--board);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pd-feature__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-feature__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text);
}

.page-products .pd-feature__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

@media (min-width: 700px) {
  .page-products .pd-feature__hint {
    display: block;
  }

  .page-products .pd-feature__no {
    font-size: 52px;
  }
}

@media (min-width: 940px) {
  .page-products .pd-features {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .pd-axis {
    border-left: 1px solid var(--board);
    padding-left: 18px;
  }

  .page-products .pd-feature > summary {
    padding: 20px 22px;
  }

  .page-products .pd-feature__no {
    font-size: 68px;
    margin-left: -10px;
  }

  .page-products .pd-feature__body {
    padding: 0 22px 22px;
  }
}

/* ---------- 版本演进 ---------- */
.page-products .pd-split {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-products .pd-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-products .pd-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 7px;
  bottom: 7px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(59, 240, 200, .12) 100%);
}

.page-products .pd-timeline > li {
  position: relative;
  padding-bottom: 24px;
}

.page-products .pd-timeline > li:last-child {
  padding-bottom: 0;
}

.page-products .pd-timeline > li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 4px;
  width: 13px;
  height: 13px;
  border: 1px solid var(--cyan);
  background: var(--ink);
}

.page-products .pd-timeline > li:last-child::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(59, 240, 200, .14);
}

.page-products .pd-node__ver {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  border: 1px solid var(--edge);
  padding: 2px 7px;
}

.page-products .pd-node__title {
  margin: 8px 0 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-products .pd-node__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pd-board {
  margin: 0;
  border: 1px solid var(--board);
  background: var(--ink-2);
}

.page-products .pd-board img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-board figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--board);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

@media (min-width: 960px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 46px;
    align-items: start;
  }
}

/* ---------- 适配与场景 ---------- */
.page-products .pd-tablewrap {
  margin-top: 26px;
  border: 1px solid var(--edge);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pd-table thead th {
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  font-weight: 700;
  text-align: left;
  padding: 11px 14px;
  white-space: nowrap;
}

.page-products .pd-table tbody td {
  padding: 13px 14px;
  border-top: 1px solid var(--board);
  line-height: 1.65;
  color: var(--text);
  vertical-align: top;
}

.page-products .pd-table tbody td:first-child {
  font-weight: 700;
}

.page-products .pd-table tbody td:nth-child(2),
.page-products .pd-table tbody td:nth-child(3) {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

.page-products .pd-table tbody tr {
  transition: background-color .22s var(--ease);
}

.page-products .pd-table tbody tr:hover {
  background: rgba(59, 240, 200, .08);
}

.page-products .pd-table tbody tr:hover td:first-child {
  box-shadow: inset 2px 0 0 var(--orange);
}

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

/* ---------- 收尾 ---------- */
.page-products .pd-cta {
  position: relative;
  padding: 48px 0 56px;
  border-top: 1px solid var(--board);
  background:
    radial-gradient(90% 120% at 10% 0%, rgba(255, 122, 61, .10), transparent 62%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
}

.page-products .pd-cta__wrap {
  display: grid;
  gap: 18px;
}

.page-products .pd-cta__title {
  margin: 0;
  font-size: clamp(22px, 4.6vw, 34px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--text);
}

.page-products .pd-cta__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pd-entry,
  .page-products .pd-feature,
  .page-products .pd-table tbody tr {
    transition: none;
  }

  .page-products .pd-entry:hover,
  .page-products .pd-feature:hover {
    transform: none;
  }
}
<<<END>>>