.page-products {
  --cat-stripe: 6px;
  --cat-jump-top: 0;
  color: var(--color-ink);
  background: var(--color-surface);
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  position: relative;
  padding-top: calc(var(--space-8) + var(--space-6));
  padding-bottom: var(--space-6);
  border-bottom: var(--border-thick) solid var(--color-ink);
  overflow: hidden;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--space-1);
  background: linear-gradient(
    90deg,
    var(--color-primary) 0%,
    var(--color-accent) 58%,
    var(--color-ink) 58%,
    var(--color-ink) 100%
  );
}

.page-products .products-hero .eyebrow {
  margin-top: var(--space-3);
}

.page-products .products-hero h1 {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-products .products-hero .lede {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-products .products-keylist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-products .products-keylist li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1);
  padding: var(--space-2);
  border-right: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
}

.page-products .products-keylist .k {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
}

.page-products .products-keylist .v {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
}

/* ---------- 总览 ---------- */
.page-products .products-overview {
  padding-block: var(--section-y);
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-products .overview-lead {
  padding-left: var(--space-3);
  padding-right: var(--space-2);
}

.page-products .overview-lead h2 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-products .overview-lead p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-products .overview-lead p:last-child {
  margin-bottom: 0;
}

.page-products .overview-frame {
  margin-top: var(--space-3);
}

.page-products .overview-fieldlist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .overview-fieldlist li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-products .overview-fieldlist li:last-child {
  border-bottom: 0;
}

.page-products .overview-fieldlist .tag {
  flex: 0 0 auto;
}

/* ---------- 分组跳转条 ---------- */
.page-products .products-jump {
  background: var(--color-ink);
  border-bottom: var(--border-thick) solid var(--color-ink);
}

.page-products .products-jump-list {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .products-jump-list li {
  flex: 0 0 auto;
}

.page-products .products-jump-list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-surface);
  text-decoration: none;
  white-space: nowrap;
  border-right: var(--border-thin) solid color-mix(in srgb, var(--color-surface) 26%, transparent);
  transition: background-color 140ms ease, color 140ms ease;
}

.page-products .products-jump-list a:hover {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-products .products-jump-list a:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: -3px;
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-products .products-jump-list a[aria-current] {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

/* ---------- 分组通用 ---------- */
.page-products .products-group {
  padding-block: var(--section-y);
  border-bottom: var(--border-thin) solid var(--color-line);
  scroll-margin-top: var(--space-8);
}

.page-products .products-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
  padding-left: var(--space-3);
  border-left: var(--cat-stripe) solid var(--color-primary);
}

.page-products .group-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-products .products-group-head h2 {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-products .group-meta {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-products .group-lead {
  flex: 1 1 100%;
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 矩阵 ---------- */
.page-products .products-matrix {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-3);
}

.page-products .catalog-entry {
  grid-column: span 12;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-left: var(--cat-stripe) solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color 150ms ease, background-color 150ms ease;
}

.page-products .catalog-entry:hover,
.page-products .catalog-entry:focus-within {
  border-left-color: var(--color-primary);
  background: var(--color-surface);
}

.page-products .catalog-entry:focus-within {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.page-products .entry-row {
  flex-direction: column;
}

.page-products .entry-media {
  margin: 0;
}

.page-products .entry-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
}

.page-products .entry-media--tall img {
  aspect-ratio: 4 / 5;
}

.page-products .entry-media--wide img {
  aspect-ratio: 21 / 9;
}

.page-products .entry-media--square img {
  aspect-ratio: 1 / 1;
}

.page-products .entry-body h3 {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-products .entry-body p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .entry-body p:last-child {
  margin-bottom: 0;
}

.page-products .entry-fields {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
  transition: background-color 150ms ease;
}

.page-products .catalog-entry:hover .entry-fields,
.page-products .catalog-entry:focus-within .entry-fields {
  background: var(--color-primary-soft);
}

.page-products .entry-fields li {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-1) var(--space-1);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.page-products .entry-fields li:last-child {
  border-bottom: 0;
}

.page-products .entry-fields li span:first-child {
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-products .entry-fields li span:last-child {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--color-ink);
  text-align: right;
}

.page-products .entry-fields--row {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-products .entry-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .entry-timeline li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-products .entry-timeline li:last-child {
  border-bottom: 0;
}

.page-products .tl-mark {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

/* ---------- 收尾 ---------- */
.page-products .products-outro {
  padding-block: var(--section-y) var(--space-8);
  background: var(--color-surface);
}

.page-products .outro-note {
  margin-bottom: var(--space-4);
}

.page-products .outro-note a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .outro-note a:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.page-products .products-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-products .products-links a {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin) solid var(--color-ink);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  transition: background-color 140ms ease, color 140ms ease;
}

.page-products .products-links a:hover {
  background: var(--color-ink);
  color: var(--color-surface);
}

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

.page-products .outro-note-quiet {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .products-keylist {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .entry-fields--row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .entry-fields--row li:nth-last-child(2) {
    border-bottom: 0;
  }

  .page-products .entry-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .page-products .entry-timeline li {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-1) var(--space-2) 0;
    border-bottom: 0;
    border-top: var(--border-thin) solid var(--color-line);
  }
}

@media (min-width: 960px) {
  .page-products .products-hero h1 {
    font-size: var(--text-4xl);
  }

  .page-products .span-4 {
    grid-column: span 4;
  }

  .page-products .span-5 {
    grid-column: span 5;
  }

  .page-products .span-6 {
    grid-column: span 6;
  }

  .page-products .span-7 {
    grid-column: span 7;
  }

  .page-products .span-8 {
    grid-column: span 8;
  }

  .page-products .entry-row {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .page-products .entry-row .entry-body {
    flex: 1 1 46%;
  }

  .page-products .entry-row .entry-fields--row {
    flex: 1 1 54%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 0;
  }

  .page-products .entry-row .entry-timeline {
    flex: 1 1 54%;
  }

  .page-products .outro-note {
    max-width: 70ch;
  }
}
</style>