.page-products {
  --ps-narrow: 300px;
}

.page-products .ps-hero {
  display: grid;
  gap: 30px;
  padding: 26px 0 42px;
  border-bottom: 1px solid var(--line);
}

.page-products .ps-hero-body .label {
  color: var(--gold);
}

.page-products .ps-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(29px, 5.4vw, 46px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.018em;
  color: var(--paper);
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-products .ps-lede {
  margin: 18px 0 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog);
  max-width: 56ch;
}

.page-products .ps-hero-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .ps-hero-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .ps-hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--amber);
}

.page-products .ps-hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  align-self: end;
}

.page-products .ps-fig {
  padding: 16px 14px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(22, 41, 61, 0.72), rgba(13, 26, 40, 0.35));
}

.page-products .ps-fig-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--amber);
}

.page-products .ps-fig-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--fog);
}

.page-products .ps-layout {
  display: grid;
  gap: 38px;
  padding: 40px 0 56px;
}

.page-products .ps-main {
  min-width: 0;
}

.page-products .ps-section {
  margin-bottom: 54px;
}

.page-products .ps-section:last-child {
  margin-bottom: 0;
}

.page-products .ps-section-head {
  padding-left: 16px;
  border-left: 3px solid var(--amber);
  margin-bottom: 26px;
}

.page-products .ps-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 29px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .ps-section-lede {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fog);
  max-width: 60ch;
}

/* 第一章：四处变化 */
.page-products .ps-changes {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-products .ps-change {
  position: relative;
  border: 1px solid var(--line);
  background: var(--deep);
  padding: 22px 20px 20px;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-products .ps-change::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 46px;
  height: 2px;
  background: var(--amber);
}

.page-products .ps-change:hover {
  border-color: var(--gold);
  background: var(--night);
}

.page-products .ps-change-key {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-products .ps-change p + p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
}

/* 第二章：打开步骤 */
.page-products .ps-steps {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-products .ps-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .ps-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .ps-step-no {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 2px;
}

.page-products .ps-step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .ps-step-body p + p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
}

.page-products .ps-step-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep);
}

.page-products .ps-step-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.page-products .ps-step-figure figcaption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fog);
  border-top: 1px solid var(--line);
}

/* 第三章：十二类目录 */
.page-products .ps-texture {
  position: relative;
  margin: 0 0 22px;
  overflow: hidden;
  pointer-events: none;
}

.page-products .ps-texture img {
  display: block;
  width: 100%;
  height: 108px;
  object-fit: cover;
  opacity: 0.1;
  filter: grayscale(1);
}

.page-products .ps-catalog {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .ps-cat {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no scope"
    "no count";
  align-items: start;
  gap: 4px 14px;
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
  transition: background-color 200ms var(--ease);
}

.page-products .ps-cat-no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .ps-cat-name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.4;
}

.page-products .ps-cat-scope {
  grid-area: scope;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-products .ps-cat-count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
  opacity: 0.7;
  transition: color 200ms var(--ease), opacity 200ms var(--ease);
}

.page-products .ps-cat:hover {
  background: var(--deep);
}

.page-products .ps-cat:hover .ps-cat-count {
  color: var(--amber);
  opacity: 1;
}

.page-products .ps-cat:target {
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--gold);
}

/* 第四章：检索直达 */
.page-products .ps-search-grid {
  display: grid;
  gap: 26px;
  min-width: 0;
}

.page-products .ps-search-body {
  min-width: 0;
}

.page-products .ps-queries {
  display: grid;
  gap: 12px;
}

.page-products .ps-query {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--deep);
  text-decoration: none;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-products .ps-query:hover,
.page-products .ps-query:focus-visible {
  border-color: var(--gold);
  background: var(--night);
}

.page-products .ps-query-text {
  display: block;
  min-width: 0;
}

.page-products .ps-query-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-products .ps-query-note {
  display: block;
  margin-top: 7px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.65;
  color: var(--fog);
}

.page-products .ps-query-arrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
  white-space: nowrap;
}

.page-products .ps-rank-title {
  margin: 26px 0 12px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-products .ps-rank {
  list-style: none;
  counter-reset: rank;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .ps-rank li {
  counter-increment: rank;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fog);
}

.page-products .ps-rank li::before {
  content: counter(rank);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  padding-top: 3px;
}

.page-products .ps-query-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep);
}

.page-products .ps-query-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  opacity: 0.82;
}

.page-products .ps-query-figure figcaption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fog);
  border-top: 1px solid var(--line);
}

/* 第五章：版本记录 */
.page-products .ps-timeline {
  position: relative;
  margin-left: 6px;
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.page-products .ps-ver {
  position: relative;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  background: var(--deep);
}

.page-products .ps-ver::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 19px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 1px solid var(--gold);
}

.page-products .ps-ver[open]::before {
  background: var(--amber);
}

.page-products .ps-ver-sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .ps-ver-sum::-webkit-details-marker {
  display: none;
}

.page-products .ps-ver-sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

.page-products .ps-ver[open] .ps-ver-sum::after {
  content: "−";
}

.page-products .ps-ver-tag {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--gold);
  padding: 3px 8px;
}

.page-products .ps-ver-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .ps-ver-hint {
  font-size: 12px;
  color: var(--fog);
}

.page-products .ps-ver-list {
  list-style: none;
  margin: 0;
  padding: 2px 16px 18px;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
}

.page-products .ps-ver-list li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .ps-ver-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.page-products .ps-closing-figure {
  margin: 30px 0 0;
  overflow: hidden;
}

.page-products .ps-closing-figure img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 28%, #000 72%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 28%, #000 72%, transparent);
}

.page-products .ps-outro {
  margin-top: 26px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--wine);
  background: var(--deep);
  padding: 20px 20px 22px;
}

.page-products .ps-outro-text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
}

.page-products .ps-outro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-products .ps-outro-link {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 13.5px;
  text-decoration: none;
  transition: background-color 200ms var(--ease), color 200ms var(--ease);
}

.page-products .ps-outro-link:hover,
.page-products .ps-outro-link:focus-visible {
  background: var(--gold);
  color: var(--ink);
}

/* 右侧窄栏 */
.page-products .ps-side {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-products .ps-side-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep);
}

.page-products .ps-side-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.9;
}

.page-products .ps-side-figure figcaption {
  padding: 11px 13px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--fog);
  border-top: 1px solid var(--line);
}

.page-products .ps-card {
  border: 1px solid var(--line);
  background: var(--deep);
  padding: 18px 16px 20px;
}

.page-products .ps-card--primary {
  border-color: var(--gold);
  background: linear-gradient(170deg, rgba(31, 58, 77, 0.9), rgba(22, 41, 61, 0.95));
}

.page-products .ps-card--quiet {
  background: transparent;
  border-style: dashed;
}

.page-products .ps-card-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .ps-card-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .ps-card-text {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .ps-card .btn {
  margin-top: 16px;
  display: inline-block;
  padding: 9px 18px;
  font-size: 13.5px;
  text-decoration: none;
}

.page-products .ps-card-link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--amber);
  text-decoration: none;
}

.page-products .ps-card-link:hover,
.page-products .ps-card-link:focus-visible {
  color: var(--paper);
}

.page-products .ps-req {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .ps-req li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
}

.page-products .ps-req li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .ps-req-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-products .ps-req-val {
  font-family: var(--font-body);
  color: var(--fog);
}

.page-products .ps-mini-links {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.page-products .ps-mini-link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-products .ps-mini-link:hover,
.page-products .ps-mini-link:focus-visible {
  border-color: var(--gold);
  background: var(--night);
}

.page-products .ps-mini-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .ps-mini-name {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--paper);
}

@media (min-width: 620px) {
  .page-products .ps-changes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .ps-cat {
    grid-template-columns: 52px 142px minmax(0, 1fr) 68px;
    grid-template-areas: "no name scope count";
    align-items: baseline;
    gap: 0 18px;
    padding: 15px 13px;
  }

  .page-products .ps-cat-no {
    font-size: 30px;
  }

  .page-products .ps-cat-count {
    justify-self: end;
  }
}

@media (min-width: 780px) {
  .page-products .ps-steps {
    grid-template-columns: minmax(0, 1fr) 246px;
    gap: 36px;
    align-items: start;
  }

  .page-products .ps-search-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
    gap: 30px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .ps-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: end;
    padding: 34px 0 48px;
  }

  .page-products .ps-fig-num {
    font-size: 28px;
  }

  .page-products .ps-ver-list {
    padding-left: 20px;
  }

  .page-products .ps-closing-figure img {
    height: 240px;
  }
}

@media (min-width: 1040px) {
  .page-products .ps-layout {
    grid-template-columns: minmax(0, 1fr) var(--ps-narrow);
    gap: 54px;
    padding: 52px 0 72px;
  }

  .page-products .ps-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}
<<<END>>>