.page-products {
  --pr-cell-none: #E4E8EC;
  --pr-cell-low: rgba(30, 111, 168, 0.20);
  --pr-cell-mid: rgba(30, 111, 168, 0.48);
  --pr-cell-high: #103A5E;
  --pr-gap: clamp(2rem, 4vw, 3.5rem);
  --pr-dark-line: rgba(247, 248, 250, 0.22);
  --pr-dark-dim: rgba(247, 248, 250, 0.74);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* 顶部与面包屑 */
.page-products .pr-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 0 0.75rem;
  border-bottom: 1px solid var(--line);
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mid);
}

.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--line);
}

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

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

.page-products .pr-top-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--mid);
}

/* 首屏：对角色块 */
.page-products .pr-hero {
  position: relative;
  background: var(--deep);
  color: var(--text-inv);
  padding: clamp(2rem, 5vw, 3.75rem) 0 clamp(4rem, 8vw, 7rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 3rem), 0 100%);
  overflow: hidden;
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 58%;
  height: 4.5rem;
  background: var(--signal);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
  pointer-events: none;
}

.page-products .pr-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .pr-hero-copy {
  max-width: 62ch;
}

.page-products .pr-eyebrow {
  margin: 0 0 0.75rem;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.page-products .pr-h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.4vw, 3.1rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-products .pr-lead {
  margin: 0;
  color: var(--pr-dark-dim);
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  line-height: 1.75;
}

.page-products .pr-btnrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-products .pr-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pr-dark-line);
  border: 1px solid var(--pr-dark-line);
  align-self: start;
}

.page-products .pr-hero-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0.9rem;
  background: var(--deep);
}

.page-products .pr-hero-stats .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1;
  color: var(--signal);
}

.page-products .pr-hero-stats .stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--pr-dark-dim);
}

/* 主体栅格与右侧索引 */
.page-products .pr-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
  padding-top: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.page-products .pr-toc {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.75rem;
}

.page-products .pr-toc-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--mid);
}

.page-products .pr-toclist {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
}

.page-products .toc-link {
  display: block;
  white-space: nowrap;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--blue-light);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .toc-link:hover,
.page-products .toc-link.is-active {
  color: var(--signal);
  border-color: var(--signal);
}

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

/* 章节骨架 */
.page-products .pr-section {
  padding: var(--pr-gap) 0;
}

.page-products .pr-section:first-child {
  padding-top: 0;
}

.page-products .pr-section + .pr-section {
  border-top: 1px solid var(--line);
}

.page-products .pr-head {
  max-width: 74ch;
}

.page-products .pr-head .eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--blue-light);
}

.page-products .pr-h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.005em;
}

.page-products .pr-sub {
  margin: 0;
  color: #3C4750;
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* 深色色块分区 */
.page-products .pr-block {
  padding: clamp(1.5rem, 3.4vw, 3rem);
  color: var(--text-inv);
}

.page-products .pr-block + .pr-section {
  border-top: 0;
}

.page-products .pr-block--ink {
  background: var(--deep);
}

.page-products .pr-block--teal {
  background: var(--teal);
}

.page-products .pr-block--indigo {
  background: var(--indigo);
}

.page-products .pr-block--wine {
  background: var(--wine);
}

.page-products .pr-dark .pr-h2,
.page-products .pr-dark .pr-sub,
.page-products .pr-dark .pr-lead {
  color: var(--text-inv);
}

.page-products .pr-dark .pr-sub {
  color: var(--pr-dark-dim);
}

.page-products .pr-dark .pr-head .eyebrow {
  color: var(--amber);
}

.page-products .pr-dark .pr-notes,
.page-products .pr-dark .pr-notes a {
  color: var(--pr-dark-dim);
}

.page-products .pr-dark .pr-notes a {
  text-decoration-color: var(--signal);
}

.page-products .pr-dark .pr-caption {
  color: var(--pr-dark-dim);
}

/* 表格 */
.page-products .pr-tablewrap {
  margin-top: 1.5rem;
  overflow: auto;
  max-height: 72vh;
  border: 1px solid var(--line);
}

.page-products .pr-dark .pr-tablewrap {
  border-color: var(--pr-dark-line);
}

.page-products .pr-caption {
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  color: var(--mid);
  border-bottom: 1px solid var(--line);
  caption-side: top;
}

.page-products .data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  line-height: 1.55;
}

.page-products .data-table th,
.page-products .data-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.page-products .data-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--paper);
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .data-table tbody th {
  font-weight: 700;
  color: var(--blue);
  white-space: nowrap;
}

.page-products .pr-dark .data-table th,
.page-products .pr-dark .data-table td {
  border-bottom-color: var(--pr-dark-line);
  color: var(--text-inv);
}

.page-products .pr-dark .data-table thead th {
  background: rgba(11, 30, 51, 0.92);
  color: var(--amber);
}

.page-products .pr-dark .data-table tbody th {
  color: var(--text-inv);
}

.page-products .pr-dark .data-table tbody tr:hover td,
.page-products .pr-dark .data-table tbody tr:hover th {
  background: rgba(247, 248, 250, 0.08);
}

.page-products .data-table tbody tr:hover td,
.page-products .data-table tbody tr:hover th {
  background: rgba(30, 111, 168, 0.06);
}

.page-products .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
}

/* 适配分级色块 */
.page-products .pr-matrix .cov {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: center;
  white-space: nowrap;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.page-products .cov--high {
  background: var(--pr-cell-high);
  color: var(--text-inv);
}

.page-products .cov--mid {
  background: var(--pr-cell-mid);
  color: var(--ink);
}

.page-products .cov--low {
  background: var(--pr-cell-low);
  color: var(--ink);
}

.page-products .cov--none {
  background: var(--pr-cell-none);
  color: var(--mid);
}

/* 说明列表 */
.page-products .pr-notes {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: #4A555E;
  font-size: 0.8125rem;
  line-height: 1.75;
}

.page-products .pr-notes li + li {
  margin-top: 0.35rem;
}

.page-products .pr-notes a {
  color: var(--blue-light);
}

/* 系列索引 */
.page-products .pr-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.page-products .pr-series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 1.5rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pr-series-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.25rem;
  background: var(--paper);
}

.page-products .pr-series-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-products .pr-series-card > p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: #3C4750;
}

.page-products .pr-series-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--blue-light);
}

.page-products .pr-series-figure,
.page-products .pr-series-frame {
  margin: -1.25rem -1.25rem 0.25rem;
  overflow: hidden;
  background: var(--deep);
}

.page-products .pr-series-figure img,
.page-products .pr-series-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
}

.page-products .pr-meta {
  display: grid;
  gap: 0;
  margin: auto 0 0;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.page-products .pr-meta div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-meta dt {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mid);
}

.page-products .pr-meta dd {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink);
}

/* 图文并排区 */
.page-products .pr-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: start;
}

.page-products .pr-param-figure {
  margin: 1.5rem 0 0;
  overflow: hidden;
  border: 1px solid var(--pr-dark-line);
}

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

.page-products .pr-line-figure,
.page-products .pr-batch-figure {
  margin: 1.5rem 0 0;
  overflow: hidden;
  border: 1px solid var(--pr-dark-line);
}

/* 批次号字段方格 */
.page-products .pr-batch {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  width: 100%;
  margin-top: 1.5rem;
  background: var(--pr-dark-line);
  border: 1px solid var(--pr-dark-line);
}

.page-products .pr-batch-cell {
  flex: 1 1 5.5rem;
  min-width: 5rem;
  padding: 0.7rem 0.9rem 0.85rem;
  background: rgba(11, 30, 51, 0.34);
}

.page-products .pr-batch-key {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--pr-dark-dim);
}

.page-products .pr-batch-val {
  display: block;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--text-inv);
}

.page-products .pr-batch-cell--hl {
  background: rgba(255, 176, 32, 0.16);
}

.page-products .pr-batch-cell--hl .pr-batch-val {
  color: var(--amber);
}

/* 结尾联系条 */
.page-products .pr-contactbar {
  display: grid;
  gap: 0.8rem;
  margin-top: var(--pr-gap);
  padding-top: 1.25rem;
  border-top: 2px solid var(--signal);
}

.page-products .pr-contact-line {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .pr-contact-note {
  margin: 0;
  max-width: 80ch;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: #4A555E;
}

/* 响应式 */
@media (min-width: 720px) {
  .page-products .pr-series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pr-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-products .pr-line-figure,
  .page-products .pr-batch-figure {
    margin-top: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero-inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(15rem, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .pr-layout {
    grid-template-columns: minmax(0, 1fr) 13rem;
  }

  .page-products .pr-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 5.5rem;
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-products .pr-toclist {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-products .toc-link {
    border: 0;
    border-left: 2px solid var(--line);
    padding: 0.45rem 0.6rem;
    background: transparent;
  }

  .page-products .pr-body {
    grid-column: 1;
    grid-row: 1;
  }
}

@media (min-width: 1180px) {
  .page-products .pr-series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-products .pr-hero {
    padding-bottom: 5rem;
  }

  .page-products .pr-hero::before {
    width: 70%;
    height: 3rem;
  }

  .page-products .pr-block {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .page-products .pr-tablewrap {
    max-height: none;
  }

  .page-products .pr-series-figure,
  .page-products .pr-series-frame {
    margin: -1rem -1rem 0.25rem;
  }
}
</main>