.page-products {
  --pp-node-line: var(--c-rule);
  --pp-card-face: #0A241C;
  display: block;
  padding-bottom: clamp(56px, 9vw, 112px);
}

.page-products .breadcrumb {
  margin-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--c-rule);
  position: relative;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(60px, 14vw, 180px);
  height: 1px;
  background: var(--c-cyan);
}

.page-products .prod-hero__eyebrow {
  margin: 0 0 16px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--c-copper);
}

.page-products .prod-hero h1 {
  margin: 0;
  max-width: 17em;
  font-size: clamp(29px, 5.4vw, 56px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--c-paper);
}

.page-products .prod-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-products .prod-hero__lede strong {
  color: var(--c-paper);
  font-weight: 600;
}

.page-products .prod-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  background: var(--c-rule);
  border: 1px solid var(--c-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .prod-stat {
  background: var(--c-night-2);
  padding: 18px 16px 16px;
  min-width: 0;
}

.page-products .prod-stat__num {
  display: block;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1;
  font-weight: 500;
  color: var(--c-cyan);
}

.page-products .prod-stat__num small {
  font-size: 0.4em;
  margin-left: 6px;
  font-weight: 400;
  color: var(--c-muted);
}

.page-products .prod-stat__label {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--c-muted);
}

/* ---------- 模块网格 ---------- */
.page-products .prod-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 6vw, 68px);
  margin-top: clamp(40px, 7vw, 86px);
}

.page-products .prod-mod {
  position: relative;
  min-width: 0;
  padding: 26px 20px 28px 38px;
  background:
    linear-gradient(180deg, var(--c-glass) 0%, rgba(255, 255, 255, 0) 44%),
    var(--pp-card-face);
  border: 1px solid var(--c-rule);
  border-radius: var(--radius);
}

.page-products .prod-mod__node {
  position: absolute;
  left: 14px;
  top: 34px;
  width: 9px;
  height: 9px;
  background: var(--c-night);
  border: 1px solid var(--c-cyan);
  transform: rotate(45deg);
}

.page-products .prod-mod::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 52px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, var(--pp-node-line) 0%, rgba(28, 58, 49, 0) 100%);
}

.page-products .prod-mod__idx {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-copper);
}

.page-products .prod-mod__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.26;
  font-weight: 800;
  color: var(--c-paper);
}

.page-products .prod-mod__lead {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-muted);
}

.page-products .prod-figure {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  border: 1px solid var(--c-rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-night);
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-figure .media__caption {
  margin: 0;
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-muted);
  border-top: 1px solid var(--c-rule);
  background: var(--c-night);
}

.page-products .prod-points {
  list-style: none;
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-products .prod-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-paper);
}

.page-products .prod-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--c-cyan);
}

.page-products .prod-points .mono {
  margin-right: 6px;
  font-size: 13px;
  color: var(--c-cyan);
}

.page-products .prod-note {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-products .prod-note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 230, 208, 0.4);
}

.page-products .prod-note a:hover,
.page-products .prod-note a:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 字段表 ---------- */
.page-products .prod-fields {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-rule);
  border: 1px solid var(--c-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .prod-fields__row {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  background: var(--c-night);
  min-width: 0;
}

.page-products .prod-fields dt {
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--c-copper);
}

.page-products .prod-fields dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-muted);
}

/* ---------- 冷暖渐变条 ---------- */
.page-products .sub-bar {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
}

.page-products .sub-bar__track {
  height: 20px;
  border: 1px solid var(--c-rule);
  border-radius: var(--radius);
  background: linear-gradient(90deg,
    var(--c-cool) 0%,
    var(--c-layer) 46%,
    var(--c-layer) 54%,
    var(--c-amber) 100%);
}

.page-products .sub-bar__legend {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 9px;
  font-size: 12.5px;
  color: var(--c-muted);
}

/* ---------- 四切面技能树 ---------- */
.page-products .facet-tree {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  position: relative;
}

.page-products .facet-tree::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 16px;
  bottom: 34px;
  width: 1px;
  background: var(--c-rule);
}

.page-products .facet-node {
  position: relative;
  min-height: 40px;
  padding: 0 0 24px 46px;
  outline: none;
}

.page-products .facet-node:last-child {
  padding-bottom: 0;
}

.page-products .facet-node::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 15px;
  width: 21px;
  height: 1px;
  background: var(--c-rule);
}

.page-products .facet-node::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 11px;
  width: 9px;
  height: 9px;
  background: var(--c-night);
  border: 1px solid var(--c-cyan);
  transform: rotate(45deg);
  transition: background 200ms var(--ease);
}

.page-products .facet-node:hover::after,
.page-products .facet-node:focus-visible::after {
  background: var(--c-cyan);
}

.page-products .facet-node__label {
  display: block;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-products .facet-node__desc {
  display: block;
  margin-top: 6px;
  max-width: 48ch;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--c-muted);
}

.page-products .facet-node__q {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-lime);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}

.page-products .facet-node:hover .facet-node__q,
.page-products .facet-node:focus-within .facet-node__q,
.page-products .facet-node:focus-visible .facet-node__q {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 指标分组折叠 ---------- */
.page-products .metric-groups {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border-top: 1px solid var(--c-rule);
}

.page-products .metric-group {
  border-bottom: 1px solid var(--c-rule);
}

.page-products .metric-group__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  color: var(--c-paper);
  font-size: 15.5px;
  font-weight: 700;
}

.page-products .metric-group__summary::-webkit-details-marker {
  display: none;
}

.page-products .metric-group__summary::before {
  content: "+";
  flex: none;
  width: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  color: var(--c-cyan);
}

.page-products .metric-group[open] .metric-group__summary::before {
  content: "−";
}

.page-products .metric-group__name {
  min-width: 0;
}

.page-products .metric-group__count {
  margin-left: auto;
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-copper);
}

.page-products .metric-group__desc {
  margin: 0 0 12px;
  padding-left: 28px;
  max-width: 54ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-products .metric-group__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0 0 0 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
}

.page-products .metric-group__list li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-paper);
}

.page-products .metric-group__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--c-rule);
}

/* ---------- 接入方式 ---------- */
.page-products .access-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-rule);
  border: 1px solid var(--c-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .access-item {
  min-width: 0;
  padding: 22px 18px;
  background: var(--c-night);
}

.page-products .access-item__key {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--c-copper);
}

.page-products .access-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-products .access-item__desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-products .access-item__meta {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .access-item__meta > div {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-products .access-item__meta dt {
  font-size: 12px;
  color: var(--c-cyan);
  letter-spacing: 0.04em;
}

.page-products .access-item__meta dd {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-products .prod-code {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  padding: 14px 16px;
  background: var(--c-night);
  border: 1px solid var(--c-rule);
  border-left: 2px solid var(--c-cyan);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-products .prod-code code {
  font-family: inherit;
  white-space: pre;
}

/* ---------- 四步路径 ---------- */
.page-products .start-steps {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-products .start-step {
  position: relative;
  padding-top: 22px;
  border-top: 1px solid var(--c-rule);
}

.page-products .start-step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--c-night);
  border: 1px solid var(--c-cyan);
  transform: rotate(45deg);
}

.page-products .start-step__num {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--c-copper);
}

.page-products .start-step__title {
  margin: 9px 0 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-products .start-step__desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 结尾 ---------- */
.page-products .prod-cta {
  margin-top: clamp(44px, 7vw, 82px);
  padding: clamp(24px, 3.6vw, 42px);
  display: grid;
  gap: 20px;
  background:
    linear-gradient(135deg, rgba(47, 230, 208, 0.1) 0%, rgba(10, 36, 28, 0) 62%),
    var(--c-layer);
  border: 1px solid var(--c-rule);
  border-left: 2px solid var(--c-cyan);
  border-radius: var(--radius);
}

.page-products .prod-cta__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--c-paper);
}

.page-products .prod-cta__text {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .prod-fields__row {
    grid-template-columns: minmax(0, 8.5em) minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
    padding: 13px 16px;
  }

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

  .page-products .prod-mod {
    padding: 28px 26px 30px 44px;
  }
}

@media (min-width: 760px) {
  .page-products .prod-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .start-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    gap: 32px;
  }

  .page-products .prod-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-products .prod-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(16px, 2vw, 28px);
    row-gap: clamp(46px, 5vw, 82px);
  }

  .page-products .prod-mod:nth-child(1) { grid-column: 1 / 8; }
  .page-products .prod-mod:nth-child(2) { grid-column: 6 / 13; }
  .page-products .prod-mod:nth-child(3) { grid-column: 1 / 7; }
  .page-products .prod-mod:nth-child(4) { grid-column: 5 / 13; }
  .page-products .prod-mod:nth-child(5) { grid-column: 2 / 9; }
  .page-products .prod-mod:nth-child(6) { grid-column: 6 / 13; }
  .page-products .prod-mod:nth-child(7) { grid-column: 1 / 8; }
  .page-products .prod-mod:nth-child(8) { grid-column: 4 / 13; }

  .page-products .prod-hero h1 {
    max-width: 15em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .facet-node__q,
  .page-products .facet-node::after {
    transition: none;
  }
}
<<<END>>>