.page-products {
  --px-rail-w: 168px;
  --px-tag-bg: var(--ink-700);
  padding-bottom: clamp(48px, 8vw, 92px);
}

/* ---------- 首屏 ---------- */
.page-products .px-hero {
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 60px);
}

.page-products .px-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  align-items: center;
}

.page-products .px-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 0;
  text-wrap: balance;
}

.page-products .px-lede {
  margin: 18px 0 0;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.9;
  color: var(--paper);
  max-width: 36em;
}

.page-products .px-keypoints {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-products .px-keypoints li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-right: 24px;
  border-right: 1px solid var(--hair);
}

.page-products .px-keypoints li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-products .px-keypoints__num {
  font-size: 22px;
  color: var(--amber);
  line-height: 1;
}

.page-products .px-keypoints__text {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .px-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .px-hero__fig {
  margin: 0;
}

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

/* ---------- 章节骨架 ---------- */
.page-products .px-shell {
  display: block;
}

.page-products .px-rail {
  margin-bottom: 30px;
  padding: 14px 0 16px;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-products .px-rail__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .px-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 10px;
}

.page-products .px-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 8px;
  font-size: 12.5px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}

.page-products .px-rail__link .mono {
  font-size: 11px;
  color: var(--cyan);
  opacity: .85;
}

.page-products .px-rail__link:hover {
  color: var(--paper);
  border-color: var(--hair-cyan);
  transform: translateY(-2px);
}

.page-products .px-body {
  min-width: 0;
}

.page-products .px-sec {
  padding: clamp(30px, 5vw, 52px) 0;
  border-top: 1px solid var(--hair);
}

.page-products .px-body > .px-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .px-sec__head {
  max-width: 40em;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .px-sec__head .sec-title {
  margin: 8px 0 0;
}

.page-products .px-sec__lede {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------- 双栏与面板 ---------- */
.page-products .px-split {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
  align-items: start;
}

.page-products .px-split__main {
  min-width: 0;
}

.page-products .px-split__main p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper);
  max-width: 44em;
}

.page-products .px-split__main p:last-child {
  margin-bottom: 0;
}

.page-products .px-aside__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

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

.page-products .px-bullets li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .px-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  opacity: .8;
}

.page-products .px-sec__bleed {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

/* ---------- 标签墙 ---------- */
.page-products .px-tagwall {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-products .px-tag {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 14px 18px;
  min-height: 118px;
  background: var(--px-tag-bg);
  transition: background .22s ease, transform .22s ease, box-shadow .22s ease;
}

.page-products .px-tag::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 70%);
  opacity: 0;
  transition: opacity .22s ease;
}

.page-products .px-tag:hover {
  background: var(--ink-600);
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--hair-cyan);
  z-index: 1;
}

.page-products .px-tag:hover::before {
  opacity: 1;
}

.page-products .px-tag__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .px-tag__name {
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-products .px-tag__desc {
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .px-tagwall__fig {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

/* ---------- 布局示意图 ---------- */
.page-products .px-figure {
  margin: 0;
}

.page-products .px-figure__cap {
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .px-diagram {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .px-diagram__frame {
  fill: rgba(7, 11, 18, .7);
  stroke: var(--hair-strong);
  stroke-width: 1;
}

.page-products .px-diagram__rail {
  fill: rgba(43, 224, 184, .07);
  stroke: var(--hair-cyan);
  stroke-width: 1;
}

.page-products .px-diagram__col {
  fill: rgba(20, 32, 43, .92);
  stroke: var(--hair);
  stroke-width: 1;
}

.page-products .px-diagram__line {
  fill: var(--muted);
  opacity: .42;
}

.page-products .px-diagram__card {
  fill: rgba(255, 209, 102, .14);
  stroke: rgba(255, 209, 102, .5);
  stroke-width: 1;
}

.page-products .px-diagram__tab {
  fill: var(--cyan);
  opacity: .45;
}

.page-products .px-diagram__tab--on {
  fill: var(--amber);
  opacity: 1;
}

.page-products .px-split__media {
  margin: 0;
}

/* ---------- 结尾 ---------- */
.page-products .px-cta {
  padding: clamp(36px, 6vw, 64px) 0 0;
}

.page-products .px-cta__panel {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(24px, 3.6vw, 40px);
  align-items: center;
}

.page-products .px-cta__copy .sec-title {
  margin: 8px 0 0;
}

.page-products .px-cta__copy p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
  max-width: 34em;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-products .px-tagwall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .px-keypoints li {
    padding-right: 34px;
  }
}

@media (min-width: 900px) {
  .page-products .px-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }

  .page-products .px-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .px-split--flip {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-products .px-tagwall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .px-cta__panel {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1080px) {
  .page-products .px-shell {
    display: grid;
    grid-template-columns: var(--px-rail-w) minmax(0, 1fr);
    gap: 0 clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-products .px-rail {
    position: sticky;
    top: calc(var(--bar) + 22px);
    margin: 0;
    padding: 0 0 0 16px;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--hair);
  }

  .page-products .px-rail__list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-products .px-rail__link {
    font-size: 12px;
    padding: 8px 6px;
    letter-spacing: 0.04em;
  }

  .page-products .px-sec__head {
    max-width: 34em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .px-rail__link,
  .page-products .px-tag {
    transition-duration: .12s;
  }

  .page-products .px-rail__link:hover,
  .page-products .px-tag:hover {
    transform: none;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</function_calls>