.page-products {
  --prd-line: var(--ink-a16);
  --prd-soft: rgba(246, 241, 231, 0.08);
  background: var(--paper);
  color: var(--rock);
}

.page-products .breadcrumb {
  padding-top: clamp(14px, 2vw, 24px);
  font-size: 13px;
}

.page-products .breadcrumb a {
  color: var(--ice);
}

/* ---------- 首屏 ---------- */
.page-products .prd-hero {
  position: relative;
  overflow: hidden;
}

.page-products .prd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ink-a06) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ink-a06) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 88%);
  pointer-events: none;
}

.page-products .prd-hero-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(26px, 5vw, 64px) clamp(22px, 3vw, 40px);
}

.page-products .prd-hero h1 {
  margin: clamp(10px, 1.5vw, 18px) 0 0;
  overflow-wrap: break-word;
}

.page-products .prd-hero-grid {
  display: grid;
  gap: clamp(20px, 3vw, 44px);
  margin-top: clamp(20px, 3vw, 36px);
  padding-top: clamp(16px, 2vw, 24px);
  border-top: 1px solid var(--prd-line);
}

.page-products .prd-lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
}

.page-products .prd-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--prd-line);
  border: 1px solid var(--prd-line);
}

.page-products .prd-stat {
  background: var(--paper);
  padding: 12px 14px;
}

.page-products .prd-stat dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-products .prd-stat dd {
  margin: 5px 0 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
}

.page-products .prd-stat-num {
  font-size: 23px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .prd-stat-unit {
  font-size: 12px;
  color: var(--moss);
}

/* ---------- 主体两栏 ---------- */
.page-products .prd-body {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-block: clamp(24px, 4vw, 52px) clamp(40px, 6vw, 84px);
}

.page-products .prd-index {
  border-top: 2px solid var(--ink);
  padding-top: 12px;
}

.page-products .prd-index-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--moss);
}

.page-products .prd-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .prd-index-list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 11px;
  border: 1px solid var(--prd-line);
  color: var(--rock);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .prd-index-list a .mono {
  color: var(--maple);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-products .prd-index-list a:hover,
.page-products .prd-index-list a:focus-visible {
  border-color: var(--maple);
  color: var(--maple);
}

.page-products .prd-stream {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-products .prd-sec {
  padding-block: clamp(26px, 4vw, 48px);
  border-top: 1px solid var(--prd-line);
}

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

.page-products .prd-sec-head {
  display: grid;
  gap: 10px;
}

.page-products .prd-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--maple);
}

.page-products .prd-sec-head h2,
.page-products .prd-split-text h2 {
  margin: 0;
}

.page-products .prd-sec p,
.page-products .prd-cat p,
.page-products .prd-step p,
.page-products .prd-scene p,
.page-products .prd-checks li {
  line-height: 1.85;
}

.page-products .prd-sec-head p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
}

/* ---------- 深墨带 ---------- */
.page-products .prd-sec--ink {
  background: var(--ink);
  color: var(--paper);
  border-top: 0;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  padding-block: clamp(26px, 4vw, 52px);
}

.page-products .prd-sec--ink h2 {
  color: var(--white);
}

.page-products .prd-sec--ink .prd-sec-head p {
  color: var(--paper-a70);
}

.page-products .prd-sec--ink .prd-kicker {
  color: var(--gold);
}

.page-products .prd-sec--ink .figure-caption {
  color: var(--paper-a45);
}

/* ---------- 雾蓝带 ---------- */
.page-products .prd-sec--mist {
  background: var(--mist);
  border-top: 0;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
}

.page-products .prd-sec--mist .prd-kicker {
  color: var(--ice);
}

/* ---------- 图片 ---------- */
.page-products .prd-fig {
  margin: clamp(16px, 2.5vw, 28px) 0 0;
}

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

/* ---------- 五类资料 ---------- */
.page-products .prd-cat-list {
  list-style: none;
  margin: clamp(18px, 2.5vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--prd-line);
  border: 1px solid var(--prd-line);
}

.page-products .prd-cat {
  background: var(--paper);
  padding: clamp(14px, 2vw, 22px);
}

.page-products .prd-cat-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--maple);
}

.page-products .prd-cat h3 {
  margin: 6px 0 8px;
  font-size: 17px;
  color: var(--ink);
}

.page-products .prd-cat p {
  margin: 0;
  font-size: 14px;
}

.page-products .prd-cat .prd-cat-use {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--prd-line);
  font-size: 12.5px;
  color: var(--moss);
}

/* ---------- 提示行 ---------- */
.page-products .prd-note {
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 13.5px;
  line-height: 1.8;
}

.page-products .prd-note--paper {
  border-left-color: var(--ice);
  color: var(--rock);
}

.page-products .prd-sec--ink .prd-note {
  color: var(--paper-a70);
}

/* ---------- 版本表 ---------- */
.page-products .prd-tablewrap {
  margin-top: clamp(16px, 2.2vw, 24px);
  overflow-x: auto;
}

.page-products .prd-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prd-table caption {
  padding-bottom: 9px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--paper-a45);
}

.page-products .prd-table th {
  padding: 8px 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--paper-a45);
  border-bottom: 1px solid var(--paper-a45);
  white-space: nowrap;
}

.page-products .prd-table td {
  padding: 11px 10px;
  color: var(--paper);
  border-bottom: 1px solid var(--prd-soft);
}

.page-products .prd-table tbody tr:nth-child(even) {
  background: rgba(246, 241, 231, 0.05);
}

.page-products .prd-ver {
  font-family: var(--font-mono);
  color: var(--gold);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .prd-time {
  font-family: var(--font-mono);
  color: var(--paper-a70);
  white-space: nowrap;
}

.page-products .prd-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  vertical-align: middle;
  background: var(--mist);
}

.page-products .prd-dot--aurora {
  background: var(--aurora);
}

.page-products .prd-dot--gold {
  background: var(--gold);
}

.page-products .prd-dot--ice {
  background: var(--ice);
}

/* ---------- 移动端分栏 ---------- */
.page-products .prd-split {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
}

.page-products .prd-split-text p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
}

.page-products .prd-checks {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .prd-checks li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
}

.page-products .prd-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--maple);
}

/* ---------- 四步流程 ---------- */
.page-products .prd-steps {
  list-style: none;
  margin: clamp(18px, 2.5vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
}

.page-products .prd-step {
  border-top: 3px solid var(--ink);
  padding-top: 14px;
}

.page-products .prd-step:nth-child(1) {
  border-top-color: var(--maple);
}

.page-products .prd-step:nth-child(2) {
  border-top-color: var(--ice);
}

.page-products .prd-step:nth-child(3) {
  border-top-color: var(--gold);
}

.page-products .prd-step:nth-child(4) {
  border-top-color: var(--aurora);
}

.page-products .prd-step-no {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-products .prd-step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--ink);
}

.page-products .prd-step p {
  margin: 0;
  font-size: 14px;
}

.page-products .prd-track {
  display: block;
  width: 100%;
  height: 36px;
  margin-top: 8px;
}

/* ---------- 适用情况 ---------- */
.page-products .prd-scenes {
  display: grid;
  gap: 1px;
  margin-top: clamp(18px, 2.5vw, 28px);
  background: var(--prd-line);
  border: 1px solid var(--prd-line);
}

.page-products .prd-scene {
  background: var(--paper);
  padding: clamp(14px, 2vw, 22px);
}

.page-products .prd-scene-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-products .prd-scene h3 {
  margin: 8px 0;
  font-size: 16px;
  color: var(--ink);
}

.page-products .prd-scene p {
  margin: 0;
  font-size: 14px;
}

.page-products .prd-tail {
  margin: clamp(18px, 2.5vw, 26px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
}

.page-products .prd-tail a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prd-tail a:hover,
.page-products .prd-tail a:focus-visible {
  color: var(--maple);
}

.page-products .prd-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.5vw, 26px);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .prd-cat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-products .prd-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .prd-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .prd-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 780px) {
  .page-products .prd-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .prd-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 72px);
    align-items: start;
  }

  .page-products .prd-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }

  .page-products .prd-index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-products .prd-index-list a {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--prd-line);
    padding: 10px 0 10px 12px;
  }

  .page-products .prd-index-list a:hover,
  .page-products .prd-index-list a:focus-visible {
    border-left-color: var(--maple);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prd-index-list a,
  .page-products .prd-tail a {
    transition: none;
  }
}
<<<END>>>