.page-products {
  --pr-rule: var(--grid-line);
  --pr-space: clamp(22px, 3.6vw, 40px);
  --pr-body-w: 720px;
  background: var(--ink-900);
  color: var(--mist);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-products .pr-crumb {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-products .pr-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--slate);
}

.page-products .pr-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--grid-line);
}

.page-products .pr-crumb .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-crumb .breadcrumb a:hover,
.page-products .pr-crumb .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .pr-crumb .breadcrumb [aria-current="page"] {
  color: var(--mist);
}

/* ---------- 封面 ---------- */

.page-products .pr-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
  padding-block: clamp(28px, 5vw, 60px) clamp(36px, 5.5vw, 68px);
  border-bottom: 1px solid var(--pr-rule);
}

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

.page-products .pr-hero__kicker {
  margin: 0 0 14px;
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pr-hero__title {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.6vw, 3.7rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-products .pr-hero__lead {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.75;
  color: var(--slate);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pr-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--pr-rule);
  border: 1px solid var(--pr-rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%);
}

.page-products .pr-hero__stat {
  background: var(--ink-900);
  padding: 14px 16px 16px;
  transition: background var(--dur) var(--ease);
}

.page-products .pr-hero__stat:hover {
  background: var(--ink-800);
}

.page-products .pr-hero__stat dt {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-products .pr-hero__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  color: var(--mist);
}

.page-products .pr-hero__stat .num {
  font-size: 1.6rem;
  font-weight: 700;
}

.page-products .num--cyan {
  color: var(--cyan);
}

.page-products .num--amber {
  color: var(--amber);
}

/* ---------- 章节骨架 ---------- */

.page-products .pr-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding-block: clamp(36px, 5.5vw, 68px);
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-section:first-of-type {
  border-top: 0;
}

.page-products .chapter-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-products .chapter-num::after {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-top: 10px;
  background: var(--maple);
}

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

.page-products .pr-section__body > p {
  max-width: var(--pr-body-w);
  margin: 0 0 26px;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--slate);
}

.page-products .section-title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  font-weight: 600;
  line-height: 1.34;
  color: var(--mist);
}

.page-products .pr-subtitle {
  margin: 40px 0 18px;
  font-family: var(--font-serif);
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--mist);
}

/* ---------- 参数卡 ---------- */

.page-products .pr-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}

.page-products .pr-spec {
  padding: 18px 16px 16px;
  background: var(--glass);
  border: 1px solid var(--pr-rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pr-spec:hover,
.page-products .pr-spec:focus-within {
  transform: translateY(-4px);
  border-color: var(--cyan);
  background: var(--glass-strong);
}

.page-products .pr-spec__key {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-products .pr-spec__val {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0 0 10px;
  font-variant-numeric: tabular-nums;
}

.page-products .pr-spec__val .num {
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1;
}

.page-products .pr-spec__unit {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--slate);
}

.page-products .pr-spec__note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 场景列表 ---------- */

.page-products .pr-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-scene {
  padding: 18px 18px 18px 20px;
  border-left: 2px solid var(--grid-line);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent 70%);
  transition: border-color var(--dur) var(--ease);
}

.page-products .pr-scene:hover {
  border-left-color: var(--amber);
}

.page-products .pr-scene__name {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: var(--step-0);
  font-weight: 600;
  color: var(--mist);
}

.page-products .pr-scene p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 图文分隔 ---------- */

.page-products .pr-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pr-space);
  align-items: start;
}

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

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

.page-products .pr-steps > li {
  padding: 16px 0;
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-steps > li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pr-step__name {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--mist);
}

.page-products .pr-steps p {
  margin: 0;
  max-width: 34em;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .pr-figure {
  margin: 0;
  background: var(--ink-800);
  border: 1px solid var(--pr-rule);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%);
}

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

.page-products .pr-figure__cap {
  margin: 0;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--pr-rule);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--slate);
}

.page-products .pr-section__body > .pr-figure {
  margin-top: 32px;
}

/* ---------- 表格 ---------- */

.page-products .pr-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pr-rule);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%);
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-products .pr-table__cap {
  padding: 14px 16px 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-products .pr-table th,
.page-products .pr-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  background: var(--ink-800);
  border-bottom: 1px solid var(--pr-rule);
}

.page-products .pr-table thead th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--amber);
  border-bottom: 1px solid rgba(242, 179, 61, 0.35);
}

.page-products .pr-table tbody th {
  font-weight: 600;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .pr-table tbody td {
  color: var(--slate);
}

.page-products .pr-table td.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  white-space: nowrap;
}

.page-products .pr-table th:first-child,
.page-products .pr-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  border-right: 1px solid var(--pr-rule);
}

.page-products .pr-table tbody tr:hover th,
.page-products .pr-table tbody tr:hover td {
  background: #17253e;
}

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

/* ---------- 查找路径 ---------- */

.page-products .pr-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: var(--glass);
  border: 1px solid var(--pr-rule);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pr-path:hover {
  border-color: var(--cyan);
  background: var(--glass-strong);
}

.page-products .pr-path p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 4px 9px;
  border: 1px solid currentColor;
}

.page-products .tag--cyan {
  color: var(--cyan);
}

/* ---------- 纸白版本区 ---------- */

.page-products .pr-band--paper {
  background: var(--paper);
  color: var(--ink-950);
}

.page-products .pr-band--paper .pr-section {
  border-top-color: rgba(11, 18, 32, 0.16);
}

.page-products .pr-band--paper .section-title {
  color: var(--ink-950);
}

.page-products .pr-band--paper .chapter-num {
  color: rgba(11, 18, 32, 0.42);
}

.page-products .pr-band--paper .pr-section__body > p {
  color: #3d4658;
}

.page-products .pr-versions {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(11, 18, 32, 0.16);
}

.page-products .pr-version {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(11, 18, 32, 0.16);
}

.page-products .pr-version__tag {
  display: inline-block;
  align-self: start;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-900);
  background: var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.page-products .pr-version:first-child .pr-version__tag {
  background: var(--maple);
  color: var(--paper);
}

.page-products .pr-version__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--ink-950);
}

.page-products .pr-version__body p {
  margin: 0;
  max-width: var(--pr-body-w);
  font-size: 0.92rem;
  line-height: 1.74;
  color: #3d4658;
}

.page-products .pr-inline-link {
  margin: 26px 0 0;
  max-width: var(--pr-body-w);
  font-size: 0.92rem;
  line-height: 1.75;
  color: #3d4658;
}

.page-products .pr-inline-link a {
  color: var(--maple-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(178, 35, 27, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-inline-link a:hover,
.page-products .pr-inline-link a:focus-visible {
  color: var(--maple);
  border-bottom-color: var(--maple);
}

/* ---------- 收束区 ---------- */

.page-products .pr-table--compare {
  min-width: 720px;
}

.page-products .pr-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 30px;
  padding: 22px 22px 24px;
  background: var(--ink-800);
  border: 1px solid var(--pr-rule);
  border-left: 3px solid var(--maple);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%);
}

.page-products .pr-next__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--mist);
}

.page-products .pr-next__text p {
  margin: 0;
  max-width: 40em;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .pr-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: center;
}

.page-products .btn--cyan {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .btn--cyan:hover,
.page-products .btn--cyan:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
}

/* ---------- 进场 ---------- */

.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-products .pr-spec:hover,
  .page-products .pr-path:hover {
    transform: none;
  }
}

/* ---------- 响应式 ---------- */

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

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

  .page-products .pr-version {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-products .pr-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(270px, 0.9fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-products .pr-section {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 52px);
    padding-block: clamp(48px, 6vw, 84px);
  }

  .page-products .chapter-num {
    position: sticky;
    top: clamp(24px, 5vw, 56px);
  }

  .page-products .pr-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
  }

  .page-products .pr-split--flip > .pr-split__text {
    order: 2;
  }

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

@media (min-width: 1180px) {
  .page-products .pr-figure--tool {
    margin-top: -12px;
  }

  .page-products .pr-hero__stat {
    padding: 18px 20px 20px;
  }
}
<<<END>>>