.page-products {
  --pr-rail: 316px;
  --pr-gap: clamp(16px, 2.4vw, 30px);
  --pr-cut: 18px;
  background: var(--bg);
  color: var(--graphite);
  font-family: var(--font-body);
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(56px, 8vw, 100px);
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .breadcrumb {
  margin-bottom: clamp(14px, 2.2vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  margin-bottom: var(--pr-gap);
}

.page-products .pr-hero__frame {
  position: relative;
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(20px, 3vw, 40px);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--gold);
}

.page-products .pr-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  background:
    linear-gradient(225deg, var(--bg) 0 50%, transparent 50%),
    linear-gradient(225deg, transparent 0 48%, var(--line-strong) 48% 52%, transparent 52%);
  pointer-events: none;
}

.page-products .pr-hero__main {
  min-width: 0;
}

.page-products .pr-hero__frame h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.22;
  color: var(--ink);
}

.page-products .pr-hero__lede {
  margin: clamp(12px, 1.8vw, 18px) 0 0;
  font-size: var(--step-1);
  line-height: 1.8;
  max-width: 56ch;
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-products .pr-hero__facts {
  display: grid;
  gap: 14px;
  list-style: none;
  margin: clamp(20px, 2.8vw, 28px) 0 0;
  padding: clamp(14px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--line);
}

.page-products .pr-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pr-hero__num {
  font-family: var(--font-mono);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold-deep);
}

.page-products .pr-hero__metric {
  font-size: var(--step--1);
  line-height: 1.6;
  color: rgba(57, 71, 84, 0.76);
}

.page-products .pr-hero__shot {
  margin: 0;
  padding: 10px;
  background: var(--ink);
  border: 1px solid var(--ink-2);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.page-products .pr-hero__shot-cap {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--gold-bright);
}

/* ---------- 四件事 ---------- */
.page-products .pr-deck-section {
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-products .pr-deck__title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pr-deck {
  display: grid;
  gap: 12px;
}

.page-products .pr-deck__card {
  position: relative;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--paper);
  border: 1px solid var(--line);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pr-deck__card:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: 0 12px 26px -20px rgba(10, 26, 42, 0.6);
}

.page-products .pr-deck__idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-products .pr-deck__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pr-deck__card p:last-child {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
}

/* ---------- 工作台双栏 ---------- */
.page-products .pr-workbench {
  display: grid;
  gap: var(--pr-gap);
  margin-bottom: clamp(28px, 4vw, 56px);
}

.page-products .pr-rail {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pr-rail__card {
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-products .pr-rail__card--ink {
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 100%);
  border-color: var(--on-ink-line);
  color: var(--on-ink-text);
}

.page-products .pr-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.page-products .pr-rail__card--ink .pr-rail__label {
  color: var(--gold-bright);
}

.page-products .pr-rail__ver {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pr-rail__card--ink .pr-rail__ver {
  color: var(--paper);
}

.page-products .pr-rail__sub {
  margin: 8px 0 0;
  font-size: var(--step-0);
  line-height: 1.7;
}

.page-products .pr-rail__card--ink .pr-rail__sub {
  color: var(--on-ink-muted);
}

.page-products .pr-rail__card .btn {
  margin-top: 14px;
}

.page-products .pr-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: var(--step-0);
  line-height: 1.65;
}

.page-products .pr-rail__list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-products .pr-rail__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pr-kbd {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--gold-deep);
  white-space: nowrap;
}

/* ---------- 内容块 ---------- */
.page-products .pr-block {
  padding: clamp(18px, 2.8vw, 32px);
  margin-bottom: clamp(18px, 2.6vw, 28px);
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-products .pr-block:last-child {
  margin-bottom: 0;
}

.page-products .pr-block__head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-products .pr-block__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pr-block__lede {
  margin: 10px 0 0;
  font-size: var(--step-0);
  line-height: 1.8;
  max-width: 64ch;
}

/* ---------- 通道卡片 ---------- */
.page-products .pr-channels {
  display: grid;
  gap: 14px;
}

.page-products .pr-channel {
  position: relative;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--bg);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
}

.page-products .pr-channel--preview {
  background: var(--ink);
  border-color: var(--on-ink-line);
  border-top-color: var(--amber);
}

.page-products .pr-channel__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pr-channel__lamp {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(22, 140, 126, 0.16);
}

.page-products .pr-channel__lamp--warn {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(184, 107, 22, 0.2);
}

.page-products .pr-channel__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  color: var(--gold-deep);
}

.page-products .pr-channel--preview .pr-channel__tag {
  color: var(--gold-bright);
}

.page-products .pr-channel__ver {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pr-channel--preview .pr-channel__ver {
  color: var(--paper);
}

.page-products .pr-channel__for {
  margin: 12px 0 0;
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-products .pr-channel--preview .pr-channel__for {
  color: var(--paper);
}

.page-products .pr-channel__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: var(--step-0);
  line-height: 1.75;
}

.page-products .pr-channel__list li {
  position: relative;
  padding-left: 16px;
}

.page-products .pr-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-products .pr-channel--preview .pr-channel__list li {
  color: var(--on-ink-text);
}

.page-products .pr-channel--preview .pr-channel__list li::before {
  background: var(--gold-bright);
}

/* ---------- 图 ---------- */
.page-products .pr-figure {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
}

.page-products .pr-figure--flush {
  margin: 0;
}

.page-products .pr-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-products .pr-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.02em;
  line-height: 1.65;
  color: var(--gold-deep);
}

/* ---------- 步骤 ---------- */
.page-products .pr-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pr-step {
  position: relative;
  padding-left: 56px;
  padding-bottom: clamp(18px, 2.4vw, 28px);
}

.page-products .pr-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold) 0%, var(--line) 100%);
}

.page-products .pr-step:last-child {
  padding-bottom: 0;
}

.page-products .pr-step:last-child::before {
  display: none;
}

.page-products .pr-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--gold);
}

.page-products .pr-step__body {
  min-width: 0;
}

.page-products .pr-step__body h3 {
  margin: 4px 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pr-step__body p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  max-width: 62ch;
}

.page-products .pr-step__more {
  margin-top: 10px;
}

.page-products .pr-step__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pr-step__more summary::-webkit-details-marker {
  display: none;
}

.page-products .pr-step__more summary::before {
  content: "+";
  font-weight: 700;
}

.page-products .pr-step__more[open] summary::before {
  content: "−";
}

.page-products .pr-step__more ul {
  list-style: none;
  margin: 8px 0 0;
  padding: 12px 14px;
  display: grid;
  gap: 7px;
  font-size: var(--step-0);
  line-height: 1.7;
  background: var(--bg);
  border-left: 2px solid var(--gold);
}

/* ---------- 安装包表格 ---------- */
.page-products .pr-tablewrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-products .pr-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: var(--step-0);
  line-height: 1.7;
}

.page-products .pr-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--ink);
  border-bottom: 1px solid var(--on-ink-line);
}

.page-products .pr-table tbody th {
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  color: var(--ink);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.page-products .pr-table tbody td {
  padding: 12px 14px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-table tbody tr:last-child th,
.page-products .pr-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pr-table tbody tr:hover td {
  background: rgba(201, 162, 39, 0.07);
}

/* ---------- 企业部署 ---------- */
.page-products .pr-deploy__grid {
  display: grid;
  gap: clamp(16px, 2.6vw, 28px);
}

.page-products .pr-deploy__list {
  list-style: none;
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: var(--step-0);
  line-height: 1.75;
}

.page-products .pr-deploy__list li {
  position: relative;
  padding-left: 18px;
}

.page-products .pr-deploy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--ok);
}

.page-products .pr-deploy__meta {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--ink-2);
}

.page-products .pr-deploy__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

/* ---------- 自助工具 ---------- */
.page-products .pr-tools {
  display: grid;
  gap: 12px;
}

.page-products .pr-tool {
  padding: clamp(14px, 2vw, 20px);
  background: var(--bg);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pr-tool:hover {
  transform: translateY(-2px);
  border-top-color: var(--gold);
}

.page-products .pr-tool__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pr-tool h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pr-tool p:last-child {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.75;
}

/* ---------- 兼容矩阵 ---------- */
.page-products .pr-matrix {
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-products .pr-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.02em;
}

.page-products .pr-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-products .pr-legend__sw {
  display: inline-block;
  width: 10px;
  height: 10px;
}

.page-products .pr-legend__sw--ok {
  background: var(--ok);
}

.page-products .pr-legend__sw--warn {
  background: var(--amber);
}

.page-products .pr-legend__sw--na {
  background: rgba(57, 71, 84, 0.4);
}

.page-products .pr-matrix__scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-products .pr-mtable {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--step--1);
}

.page-products .pr-mtable thead th {
  padding: 10px 8px;
  text-align: center;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--ink-2);
  border-left: 1px solid var(--on-ink-line);
}

.page-products .pr-mtable thead th:first-child {
  text-align: left;
  border-left: 0;
}

.page-products .pr-mtable tbody th {
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
  font-weight: 600;
  color: var(--ink);
  background: var(--bg);
  border-top: 1px solid var(--line);
}

.page-products .pr-cell {
  padding: 10px 6px;
  text-align: center;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-products .pr-cell--ok {
  background: rgba(22, 140, 126, 0.1);
  color: var(--ok);
  font-weight: 700;
}

.page-products .pr-cell--warn {
  background: rgba(184, 107, 22, 0.12);
  color: var(--amber);
  font-weight: 700;
}

.page-products .pr-cell--na {
  background: var(--bg);
  color: rgba(57, 71, 84, 0.45);
}

/* ---------- 下载前清单 ---------- */
.page-products .pr-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pr-check__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg);
  border-left: 2px solid var(--gold);
  font-size: var(--step-0);
  line-height: 1.7;
}

.page-products .pr-check__box {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 1px solid var(--gold-deep);
}

.page-products .pr-check__box::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 5px;
  width: 8px;
  height: 4px;
  border-left: 1.5px solid var(--ok);
  border-bottom: 1.5px solid var(--ok);
  transform: rotate(-45deg);
}

.page-products .pr-check__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-products .pr-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 600px) {
  .page-products .pr-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-products .pr-tools {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-products .pr-check__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pr-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .pr-deploy__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

@media (min-width: 940px) {
  .page-products .pr-hero__frame {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-products .pr-workbench {
    grid-template-columns: var(--pr-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pr-rail {
    position: sticky;
    top: 88px;
  }
}

@media (min-width: 1020px) {
  .page-products .pr-deck {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 559px) {
  .page-products .pr-step {
    padding-left: 48px;
  }

  .page-products .pr-step__num {
    width: 34px;
    height: 34px;
    font-size: var(--step--1);
  }

  .page-products .pr-step::before {
    left: 16px;
    top: 38px;
  }

  .page-products .pr-hero__frame h1 {
    font-size: var(--step-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-deck__card,
  .page-products .pr-tool {
    transition: none;
  }

  .page-products .pr-deck__card:hover,
  .page-products .pr-tool:hover {
    transform: none;
  }
}
<<<END>>>