.page-products {
  --pd-gap: clamp(2.5rem, 6vw, 4.25rem);
  color: var(--cream);
}

/* ---------- 顶部粘性迷你面板 ---------- */
.page-products .pd-mini {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(6, 24, 38, 0.94);
  border-bottom: 1.5px solid var(--line);
  box-shadow: 0 8px 0 -6px rgba(45, 226, 208, 0.22);
  backdrop-filter: blur(6px);
}

.page-products .pd-mini-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-block: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pd-mini-inner::-webkit-scrollbar {
  display: none;
}

.page-products .pd-mini-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  white-space: nowrap;
  padding-right: 0.75rem;
  border-right: 1px solid var(--line-cyan);
}

.page-products .pd-mini-list {
  display: flex;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-mini-list a {
  display: block;
  white-space: nowrap;
  padding: 0.28rem 0.6rem;
  font-size: 0.8rem;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color 180ms ease-out, border-color 180ms ease-out, background 180ms ease-out;
}

.page-products .pd-mini-list a:hover,
.page-products .pd-mini-list a:focus-visible {
  color: var(--glow);
  border-color: var(--line-cyan);
  background: var(--ink-2);
  outline: none;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-products .pd-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--stone);
  margin-bottom: 1.25rem;
}

.page-products .pd-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-products .pd-hero .breadcrumb a:hover,
.page-products .pd-hero .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-products .pd-hero .breadcrumb [aria-current="page"] {
  color: var(--cream);
}

.page-products .pd-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

.page-products .pd-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0;
  color: var(--cream);
  text-wrap: balance;
}

.page-products .pd-hero-copy .lede {
  margin: 1rem 0 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.4rem;
}

.page-products .pd-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-hero-stats li {
  border-top: 1.5px solid var(--line-cyan);
  padding-top: 0.55rem;
}

.page-products .pd-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3.4vw, 1.7rem);
  line-height: 1.1;
  color: var(--glow);
}

.page-products .pd-stat-cap {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.75rem;
  color: var(--stone);
}

.page-products .pd-hero-visual {
  margin: 0;
  padding: 0.5rem;
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--panel-shadow);
}

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

.page-products .pd-hero-visual figcaption {
  padding-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-section {
  padding-block: var(--pd-gap) 0;
}

.page-products .pd-head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
  border-top: 1.5px solid var(--line);
  padding-top: 1rem;
}

.page-products .pd-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--coral);
}

.page-products .pd-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.6vw, 2.15rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-products .pd-head p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pd-inline-note {
  margin: 1.25rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--stone);
  border-left: 2px solid var(--line-cyan);
  padding-left: 0.8rem;
}

.page-products .pd-inline-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-products .pd-inline-note a:hover,
.page-products .pd-inline-note a:focus-visible {
  color: var(--glow);
  outline: none;
}

/* ---------- 01 四个区域 ---------- */
.page-products .pd-zones {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 82%);
  gap: 0.9rem;
  overflow-x: auto;
  padding-bottom: 0.9rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-products .pd-zone {
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: 0.5rem;
  padding: 1rem;
  border: 1.5px solid var(--line);
  background: linear-gradient(170deg, var(--ink-2), var(--ink));
  box-shadow: 6px 6px 0 rgba(3, 16, 26, 0.6);
  transition: transform 200ms ease-out, box-shadow 200ms ease-out, border-color 200ms ease-out;
}

.page-products .pd-zone:hover {
  transform: translateY(-3px);
  border-color: var(--line-cyan);
  box-shadow: var(--panel-shadow-lift);
}

.page-products .pd-zone-no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .pd-zone h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--cream);
}

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

.page-products .pd-zone .chip {
  justify-self: start;
  margin-top: 0.15rem;
}

/* ---------- 02 五阶段路径 ---------- */
.page-products .pd-path-wrap {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-products .pd-path {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-node {
  position: relative;
  padding: 1rem 1rem 1rem 3.1rem;
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  box-shadow: 6px 6px 0 rgba(3, 16, 26, 0.55);
  transition: transform 200ms ease-out, box-shadow 200ms ease-out, border-color 200ms ease-out;
}

.page-products .pd-node:hover,
.page-products .pd-node:focus-within {
  transform: translateY(-2px);
  border-color: var(--line-cyan);
  box-shadow: var(--panel-shadow);
}

.page-products .pd-node::after {
  content: "";
  position: absolute;
  left: 1.42rem;
  top: 2.6rem;
  bottom: -1rem;
  width: 1.5px;
  background: linear-gradient(180deg, var(--line-cyan), var(--line-soft));
}

.page-products .pd-node:last-child::after {
  display: none;
}

.page-products .pd-node-no {
  position: absolute;
  left: 0.7rem;
  top: 1rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--deep);
  background: var(--cyan);
  border-radius: var(--radius);
}

.page-products .pd-node-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-products .pd-node-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-more {
  margin-top: 0.7rem;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--line-soft);
}

.page-products .pd-more summary {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  list-style: none;
}

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

.page-products .pd-more summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 1rem;
  height: 1rem;
  border: 1px solid var(--line-cyan);
  font-size: 0.7rem;
  line-height: 1;
}

.page-products .pd-more[open] summary::before {
  content: "\2212";
}

.page-products .pd-more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pd-more p {
  margin: 0.6rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-path-visual {
  margin: 0;
  padding: 0.5rem;
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--panel-shadow);
  align-self: start;
}

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

.page-products .pd-path-visual figcaption,
.page-products .pd-update-visual figcaption,
.page-products .pd-scenario-visual figcaption,
.page-products .pd-compare-visual figcaption {
  padding-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  color: var(--stone);
}

/* ---------- 03 品牌对照 ---------- */
.page-products .pd-compare {
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--panel-shadow);
}

.page-products .pd-compare-head {
  display: none;
}

.page-products .pd-compare-row {
  display: grid;
  gap: 0.7rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-compare-row:last-child {
  border-bottom: none;
}

.page-products .pd-compare-idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--coral);
  margin-bottom: 0.3rem;
}

.page-products .pd-compare-q p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--cream);
}

.page-products .pd-compare-a {
  border-top: 1px dashed var(--line-cyan);
  padding-top: 0.6rem;
}

.page-products .pd-compare-dim {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  margin-bottom: 0.45rem;
}

.page-products .pd-compare-a p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-compare-visual {
  margin: 1.25rem 0 0;
  padding: 0.5rem;
  border: 1.5px solid var(--line);
  background: var(--ink);
}

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

/* ---------- 04 版本更新 ---------- */
.page-products .pd-updates-grid {
  display: grid;
  gap: 1.1rem;
}

.page-products .pd-update-stat {
  display: grid;
  align-content: center;
  gap: 0.25rem;
  padding: 1.25rem;
  border: 1.5px solid var(--line-cyan);
  background:
    linear-gradient(180deg, rgba(45, 226, 208, 0.09), rgba(6, 24, 38, 0.9)),
    var(--ink-2);
  box-shadow: var(--panel-shadow);
}

.page-products .pd-update-num {
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 9vw, 4rem);
  line-height: 1;
  color: var(--glow);
  letter-spacing: -0.03em;
}

.page-products .pd-update-cap {
  font-size: 0.9rem;
  color: var(--cream);
}

.page-products .pd-update-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--stone);
}

.page-products .pd-update-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-update-list li {
  padding: 0.9rem 1rem;
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  border-left: 3px solid var(--coral);
  transition: transform 200ms ease-out, border-color 200ms ease-out;
}

.page-products .pd-update-list li:hover {
  transform: translateY(-2px);
  border-color: var(--line-cyan);
  border-left-color: var(--coral);
}

.page-products .pd-update-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.page-products .pd-update-list h3 {
  margin: 0.5rem 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--cream);
  letter-spacing: -0.01em;
}

.page-products .pd-update-list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pd-update-visual {
  margin: 1.25rem 0 0;
  padding: 0.5rem;
  border: 1.5px solid var(--line);
  background: var(--ink);
}

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

/* ---------- 05 适用场景 ---------- */
.page-products .pd-scenario-grid {
  display: grid;
  gap: 1.25rem;
}

.page-products .pd-scene-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-products .pd-scenario-main p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
  max-width: 62ch;
}

.page-products .pd-scenario-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

.page-products .pd-scenario-visual {
  margin: 0;
  padding: 0.5rem;
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--panel-shadow);
}

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

.page-products .pd-support-bar {
  margin-top: 1.25rem;
  padding: 1.1rem 1.15rem;
  border: 1.5px solid var(--line);
  border-left: 3px solid var(--moss);
  background: var(--ink-3);
}

.page-products .pd-support-bar h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--cream);
}

.page-products .pd-support-bar p {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 06 快捷区与收束 ---------- */
.page-products .pd-quick-grid {
  display: grid;
  gap: 1rem;
}

.page-products .pd-quick-card {
  padding: 1.1rem;
  border: 1.5px solid var(--line);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  box-shadow: 6px 6px 0 rgba(3, 16, 26, 0.6);
  transition: transform 200ms ease-out, box-shadow 200ms ease-out, border-color 200ms ease-out;
}

.page-products .pd-quick-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-cyan);
  box-shadow: var(--panel-shadow-lift);
}

.page-products .pd-quick-card--cyan {
  background: linear-gradient(180deg, rgba(45, 226, 208, 0.1), var(--ink-2));
  border-color: var(--line-cyan);
}

.page-products .pd-quick-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 0.55rem;
}

.page-products .pd-quick-card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-products .pd-quick-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-quick-list {
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.page-products .pd-quick-list li {
  position: relative;
  padding-left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-products .pd-quick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-products .pd-cta {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.5rem;
  padding: 1.25rem;
  background:
    linear-gradient(135deg, rgba(255, 107, 74, 0.12), transparent 62%),
    var(--ink-2);
  border-color: var(--line-cyan);
}

.page-products .pd-cta h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-products .pd-cta p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pd-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-content: start;
}

.page-products .pd-cta-actions .btn:focus-visible,
.page-products .pd-hero-actions .btn:focus-visible,
.page-products .pd-scenario-links .btn:focus-visible,
.page-products .pd-support-bar .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pd-compare-head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--stone);
    border-bottom: 1.5px solid var(--line-cyan);
  }

  .page-products .pd-compare-head span {
    padding: 0.7rem 1rem;
  }

  .page-products .pd-compare-head span:last-child {
    color: var(--cyan);
    border-left: 1px solid var(--line-cyan);
  }

  .page-products .pd-compare-row {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 0;
  }

  .page-products .pd-compare-row > * {
    padding: 1rem;
  }

  .page-products .pd-compare-a {
    border-top: none;
    padding-top: 1rem;
    border-left: 1px solid var(--line-cyan);
    background: rgba(45, 226, 208, 0.04);
  }

  .page-products .pd-updates-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.6fr);
    align-items: start;
  }

  .page-products .pd-scenario-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pd-cta {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: center;
    padding: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-products .pd-zones {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
  }

  .page-products .pd-path-wrap {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-path-visual {
    position: sticky;
    top: 4.5rem;
  }
}

@media (max-width: 420px) {
  .page-products .pd-node {
    padding-left: 2.6rem;
  }

  .page-products .pd-node::after {
    left: 1.2rem;
  }

  .page-products .pd-node-no {
    left: 0.45rem;
    width: 1.7rem;
    height: 1.7rem;
    font-size: 0.72rem;
  }

  .page-products .pd-hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pd-stat-cap {
    font-size: 0.68rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-zone,
  .page-products .pd-node,
  .page-products .pd-quick-card,
  .page-products .pd-update-list li,
  .page-products .pd-mini-list a {
    transition: none;
  }

  .page-products .pd-zone:hover,
  .page-products .pd-node:hover,
  .page-products .pd-quick-card:hover,
  .page-products .pd-update-list li:hover {
    transform: none;
  }
}
<<<END>>>