.page-products {
  --pd-rail: 232px;
  --pd-amber-line: 1px solid var(--amber);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-products p {
  margin: 0;
}

.page-products .eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .pd-crumb {
  padding-top: clamp(14px, 2vw, 26px);
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-products .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .breadcrumb li + li::before {
  content: "／";
  color: var(--stone);
  opacity: 0.5;
}

.page-products .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
}

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

.page-products .breadcrumb [aria-current] {
  color: var(--paper);
}

/* 首屏 */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) 0 clamp(48px, 7vw, 88px);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(201, 162, 39, 0.1) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(to bottom, rgba(201, 162, 39, 0.1) 0 1px, transparent 1px 32px);
  -webkit-mask-image: radial-gradient(ellipse at 72% 24%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse at 72% 24%, #000 0%, transparent 72%);
}

.page-products .pd-hero-grid {
  position: relative;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products h1 {
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  color: var(--white);
}

.page-products .pd-lede {
  margin-top: 22px;
  max-width: 56ch;
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--stone);
}

.page-products .pd-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .pd-index-panel {
  border: 1px solid var(--line-dark);
  background: rgba(18, 41, 61, 0.72);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-products .pd-index-title {
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .pd-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-index-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-stone);
}

.page-products .pd-index-item:last-child {
  border-bottom: 0;
}

.page-products .pd-prefix {
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1.4;
  color: var(--amber);
}

.page-products .pd-index-name {
  display: block;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--white);
}

.page-products .pd-index-desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--stone);
}

.page-products .pd-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: clamp(36px, 5vw, 56px);
  background: var(--line-stone);
  border: 1px solid var(--line-stone);
}

.page-products .pd-stat {
  background: var(--ink);
  padding: 18px clamp(14px, 2vw, 22px);
}

.page-products .pd-stat-num {
  font-family: var(--mono);
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .pd-unit {
  margin-left: 6px;
  font-size: 0.5em;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-products .pd-stat-label {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--stone);
}

/* 纸面区块 */
.page-products .pd-paper {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--amber);
}

.page-products .pd-paper h2 {
  color: var(--ink);
}

.page-products .pd-paper .eyebrow {
  color: var(--clay);
}

.page-products .pd-sec-head {
  max-width: 72ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pd-sec-head h2,
.page-products .pd-code h2,
.page-products .pd-search h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
}

.page-products .pd-sec-lede {
  margin-top: 16px;
  color: var(--ink-2);
}

.page-products .pd-figure {
  margin: 0;
}

.page-products .pd-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--line-ink);
  box-shadow: var(--shadow-paper);
}

.page-products .pd-figure figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

/* 总览 */
.page-products .pd-overview {
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-products .pd-overview-fig {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pd-overview-grid {
  gap: clamp(24px, 3.5vw, 40px);
}

.page-products .pd-overview-text {
  font-size: 16.5px;
  color: var(--ink-2);
}

.page-products .pd-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 26px;
}

.page-products .pd-point {
  padding-top: 14px;
  border-top: 1px solid var(--line-ink);
}

.page-products .pd-point-key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--clay);
}

.page-products .pd-point p {
  font-size: 15px;
  color: var(--ink-2);
}

/* 编目区 */
.page-products .pd-catalog {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-products .pd-catalog .pd-sec-lede {
  color: var(--stone);
}

.page-products .pd-catalog-grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-products .pd-rail {
  padding-top: 16px;
  border-top: 1px solid var(--line-dark);
}

.page-products .pd-rail-title {
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .pd-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-rail-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-stone);
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-products .pd-rail-link:hover,
.page-products .pd-rail-link:focus-visible {
  padding-left: 4px;
  color: var(--signal);
}

.page-products .pd-rail-code {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .pd-rail-fig {
  display: none;
  margin-top: 24px;
}

.page-products .pd-rail-fig img {
  border-color: var(--line-dark);
  box-shadow: none;
}

.page-products .pd-rail-fig figcaption {
  color: var(--stone);
}

.page-products .pd-entries {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-products .pd-entry {
  scroll-margin-top: 96px;
  background: var(--paper);
  border: 1px solid var(--line-ink);
  box-shadow: var(--shadow-paper);
}

.page-products .pd-entry > .disclosure-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  color: var(--ink);
}

.page-products .pd-entry-code {
  flex: none;
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--clay);
}

.page-products .pd-entry-name {
  flex: 1;
  font-family: var(--serif);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-entry-meta {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-products .pd-entry-body {
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--paper-2);
  border-top: 1px solid var(--line-ink);
}

.page-products .pd-entry-body > p {
  font-size: 15.5px;
  color: var(--ink-2);
}

.page-products .pd-entry-facts {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .pd-entry-facts li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  font-size: 14.5px;
  color: var(--ink-2);
}

.page-products .pd-entry-facts a {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
}

.page-products .pd-entry-facts a:hover {
  color: var(--signal);
  border-color: var(--signal);
}

.page-products .pd-fact-key {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--clay);
}

/* 索引号规则 */
.page-products .pd-code {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-products .pd-code-grid {
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

.page-products .pd-code p {
  max-width: 60ch;
  color: var(--ink-2);
}

.page-products .pd-code-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 26px 0 8px;
  font-family: var(--mono);
}

.page-products .pd-code-chip {
  padding: 8px 12px;
  border: 1px solid var(--amber);
  background: var(--paper-2);
  font-size: clamp(1rem, 2vw, 1.25rem);
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-products .pd-code-sep {
  font-size: 1.1rem;
  color: var(--clay);
}

.page-products .pd-code-parts {
  display: grid;
  margin: 26px 0 0;
  padding: 0;
}

.page-products .pd-code-parts > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-ink);
}

.page-products .pd-code-parts dt {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-products .pd-code-parts dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink-2);
}

/* 检索方式 */
.page-products .pd-search {
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--paper-2);
  color: var(--ink);
  border-top: 1px solid var(--amber);
}

.page-products .pd-search .eyebrow {
  color: var(--clay);
}

.page-products .pd-search-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pd-search-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--paper);
  border: 1px solid var(--line-ink);
  box-shadow: var(--shadow-paper);
}

.page-products .pd-search-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-products .pd-search-card h3 {
  font-size: 1.15rem;
  color: var(--ink);
}

.page-products .pd-search-card p {
  font-size: 15px;
  color: var(--ink-2);
}

.page-products .pd-search-tag {
  align-self: flex-start;
  margin-top: auto;
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--moss);
  border: 1px solid var(--moss);
}

.page-products .pd-search-fig {
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .pd-search-fig figcaption {
  color: var(--clay);
}

.page-products .pd-search-order {
  margin-top: 26px;
  padding-left: 14px;
  border-left: 2px solid var(--signal);
  max-width: 66ch;
  font-size: 15.5px;
  color: var(--ink-2);
}

/* 归档批次 */
.page-products .pd-batch {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 8vw, 110px) 0;
  background: var(--ink);
}

.page-products .pd-batch-bg {
  position: absolute;
  inset: 0;
}

.page-products .pd-batch-bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-products .pd-batch-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 27, 43, 0.72), rgba(11, 27, 43, 0.94));
}

.page-products .pd-batch-inner {
  position: relative;
}

.page-products .pd-batch h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  color: var(--paper);
}

.page-products .pd-batch p {
  max-width: 64ch;
  color: var(--stone);
}

.page-products .pd-batch-figures {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: clamp(28px, 4vw, 42px);
  background: var(--line-stone);
  border: 1px solid var(--line-stone);
}

.page-products .pd-batch-cell {
  padding: 18px;
  background: rgba(11, 27, 43, 0.86);
}

.page-products .pd-batch-num {
  font-family: var(--mono);
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-products .pd-batch-label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--stone);
}

.page-products .pd-batch-note {
  margin-top: 26px;
  font-size: 15px;
}

.page-products .pd-batch-note a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pd-batch-note a:hover {
  color: var(--signal);
  border-color: var(--signal);
}

/* 下一步 */
.page-products .pd-next {
  padding: 0 0 clamp(56px, 8vw, 104px);
  background: var(--ink);
}

.page-products .pd-next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .pd-next-card {
  padding: clamp(22px, 3.4vw, 38px);
  border: 1px solid var(--amber);
  background: rgba(18, 41, 61, 0.55);
}

.page-products .pd-next-card h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--paper);
}

.page-products .pd-check-list {
  list-style: none;
  counter-reset: pd;
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .pd-check-list li {
  counter-increment: pd;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 14px;
  font-size: 15.5px;
  color: var(--stone);
}

.page-products .pd-check-list li::before {
  content: counter(pd, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-products .pd-next-note {
  margin-top: 22px;
  font-size: 14px;
  color: var(--stone);
}

.page-products .pd-next-side {
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  font-size: 15px;
  color: var(--stone);
}

.page-products .pd-next-side-title {
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .pd-contact-line {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--white);
  text-decoration: none;
  word-break: break-word;
}

.page-products .pd-contact-line:hover {
  color: var(--signal);
}

.page-products .pd-next-side p {
  margin-top: 14px;
}

.page-products .pd-next-side p:first-of-type {
  margin-top: 16px;
}

@media (min-width: 600px) {
  .page-products .pd-entry-facts li {
    grid-template-columns: 88px 1fr;
    gap: 14px;
  }

  .page-products .pd-code-parts > div {
    grid-template-columns: 120px 1fr;
    gap: 20px;
  }
}

@media (min-width: 760px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .pd-points {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

  .page-products .pd-batch-figures {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 960px) {
  .page-products .pd-next-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 28px;
  }

  .page-products .pd-next-side {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--line-dark);
    padding-left: 24px;
  }
}

@media (min-width: 1000px) {
  .page-products .pd-catalog-grid {
    grid-template-columns: var(--pd-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-rail {
    position: sticky;
    top: 96px;
  }

  .page-products .pd-rail-fig {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-rail-link {
    transition: none;
  }
}
<<<END>>>