.page-products {
  --pp-cell: rgba(19, 41, 61, .55);
  --pp-cell-alt: rgba(10, 24, 38, .6);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .bc-current {
  color: var(--paper);
}

.page-products .prod-hero {
  padding: clamp(24px, 4vw, 52px) 0 clamp(18px, 2.4vw, 28px);
  border-bottom: 1px solid var(--grid-line);
}

.page-products .prod-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .prod-h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.16;
  letter-spacing: .02em;
  color: var(--paper);
  max-width: 20em;
}

.page-products .prod-lede {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-products .prod-kpi {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink);
}

.page-products .prod-kpi .num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-kpi-t {
  font-size: 12.5px;
  color: var(--muted);
}

.page-products .prod-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-products .prod-jump-link {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-products .prod-jump-link:hover,
.page-products .prod-jump-link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 双栏骨架 ---------- */
.page-products .prod-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  padding-top: clamp(24px, 3.4vw, 40px);
}

.page-products .prod-flow {
  min-width: 0;
}

/* ---------- 左侧版本区间轴 ---------- */
.page-products .prod-rail {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-products .prod-rail-now {
  margin: 0 0 16px;
  padding: 8px 10px;
  border-left: 3px solid var(--amber);
  background: var(--ink);
  font-size: 12.5px;
  color: var(--muted);
}

.page-products .prod-rail-now .num {
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-products .prod-zone {
  border-top: 1px solid var(--grid-line);
}

.page-products .prod-zone:last-of-type {
  border-bottom: 1px solid var(--grid-line);
}

.page-products .prod-zone-sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  padding: 12px 2px;
  cursor: pointer;
  list-style: none;
  transition: color var(--ease);
}

.page-products .prod-zone-sum::-webkit-details-marker {
  display: none;
}

.page-products .prod-zone-sum::before {
  content: "[+]";
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-products .prod-zone[open] > .prod-zone-sum::before {
  content: "[-]";
  color: var(--amber);
}

.page-products .prod-zone-name {
  flex: 1 1 auto;
  font-size: 14.5px;
  color: var(--paper);
}

.page-products .prod-zone-sum:hover .prod-zone-name {
  color: var(--cyan);
}

.page-products .prod-zone-meta {
  font-size: 11.5px;
  color: var(--muted);
}

.page-products .prod-zone-desc {
  margin: 0 0 10px;
  padding-left: 26px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .prod-zone-link {
  display: inline-block;
  margin: 0 0 14px 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}

.page-products .prod-zone-link:hover {
  border-bottom-color: var(--cyan);
}

.page-products .prod-rail-hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--grid-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-products .prod-sec {
  padding: 0 0 clamp(30px, 4vw, 52px);
  margin-bottom: clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--grid-line);
}

.page-products .prod-sec-no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-products .prod-sec h2 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.3;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-products .prod-sec h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .prod-sec p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40em;
}

.page-products .prod-sub {
  color: var(--paper) !important;
  border-left: 3px solid var(--cyan);
  padding-left: 14px;
}

.page-products .prod-note {
  margin-top: 16px;
  font-size: 14.5px;
}

.page-products .prod-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}

.page-products .prod-inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 图像容器微调 ---------- */
.page-products .media-frame {
  margin: 0 0 22px;
}

.page-products .media-frame--tall {
  max-width: 520px;
}

.page-products .prod-sec .media-frame__cap {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 数据表 ---------- */
.page-products .table-wrap {
  margin: 0 0 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-products .prod-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-table caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-table thead th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--paper);
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .prod-table tbody th,
.page-products .prod-table tbody td {
  padding: 12px 14px;
  text-align: left;
  font-weight: 400;
  line-height: 1.7;
  color: var(--muted);
  border-bottom: 1px solid var(--grid-line);
  vertical-align: top;
}

.page-products .prod-table tbody th {
  color: var(--paper);
  white-space: nowrap;
}

.page-products .prod-table tbody tr:nth-child(odd) {
  background: var(--pp-cell);
}

.page-products .prod-table tbody tr:nth-child(even) {
  background: var(--pp-cell-alt);
}

.page-products .prod-table tbody tr {
  transition: box-shadow var(--ease), background var(--ease);
}

.page-products .prod-table tbody tr:hover {
  box-shadow: inset 4px 0 0 var(--amber);
  background: rgba(30, 58, 82, .7);
}

.page-products .prod-table tbody tr:hover th {
  color: var(--amber);
}

.page-products .prod-table--index tbody th {
  font-size: 13px;
  color: var(--cyan);
}

/* ---------- 矩阵 SVG ---------- */
.page-products .prod-matrix {
  margin: 0 0 24px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-products .prod-matrix-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .mx-col,
.page-products .mx-row-label {
  font-family: var(--font-mono);
  font-size: 13px;
  fill: var(--muted);
}

.page-products .mx-row-label {
  fill: var(--paper);
}

.page-products .mx-rule {
  stroke: var(--grid-line);
  stroke-width: 1;
}

.page-products .mx-dot {
  stroke: var(--ink);
  stroke-width: 2;
}

.page-products .mx-dot--a { fill: var(--cyan); }
.page-products .mx-dot--b { fill: var(--amber); }
.page-products .mx-dot--c { fill: var(--verify); }
.page-products .mx-dot--d { fill: var(--warn); }

.page-products .prod-matrix-cap {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-matrix-fig {
  max-width: 460px;
}

/* ---------- 旧版快照清单 ---------- */
.page-products .prod-archive {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--grid-line);
}

.page-products .prod-archive-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--grid-line);
  border-left: 3px solid var(--line);
  transition: border-left-color var(--ease), background var(--ease);
}

.page-products .prod-archive-item:hover {
  border-left-color: var(--cyan);
  background: rgba(19, 41, 61, .5);
}

.page-products .prod-archive-zone {
  flex: 0 0 88px;
  font-size: 13px;
  color: var(--paper);
}

.page-products .prod-archive-count {
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--amber);
}

.page-products .prod-archive-txt {
  flex: 1 1 200px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 注册三步 ---------- */
.page-products .prod-steps {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: 1px solid var(--line);
}

.page-products .prod-step {
  padding: 18px 16px;
  background: var(--ink-2);
  border-left: 4px solid var(--line);
  transition: border-left-color var(--ease);
}

.page-products .prod-step:hover {
  border-left-color: var(--cyan);
}

.page-products .prod-step-no {
  display: block;
  margin-bottom: 8px;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-products .prod-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 常见卡点 ---------- */
.page-products .prod-tips {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-tips-title {
  margin: 0 0 12px !important;
  color: var(--cyan) !important;
}

.page-products .prod-tips-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-tips-list li {
  position: relative;
  padding: 9px 0 9px 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  border-top: 1px solid var(--grid-line);
}

.page-products .prod-tips-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--verify);
}

/* ---------- 结尾入口 ---------- */
.page-products .prod-cta {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--amber);
  background: var(--ink-2);
}

.page-products .prod-cta h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.8vw, 24px);
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .prod-cta p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 44em;
}

.page-products .prod-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-kpis {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .prod-kpis {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .prod-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-rail {
    position: sticky;
    top: var(--sticky-offset);
    max-height: calc(100vh - var(--sticky-offset) - 24px);
    overflow-y: auto;
  }

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

  .page-products .prod-step {
    border-left-width: 4px;
  }
}

@media (min-width: 1280px) {
  .page-products .prod-layout {
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 48px;
  }
}
<<<END>>>