.page-products {
  background: var(--ink-900);
  color: var(--cream);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products figure {
  margin: 0;
}

.page-products a {
  color: inherit;
}

.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: rgba(247, 241, 227, 0.62);
  margin-bottom: 1.6rem;
}

.page-products .crumb {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .crumb:hover,
.page-products .crumb:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-products .crumb-current {
  color: var(--gold-soft);
  font-family: var(--font-mono);
}

.page-products .crumb-sep {
  color: rgba(214, 168, 75, 0.5);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.9rem;
}

/* ---------- 首屏 ---------- */
.page-products .lib-hero {
  position: relative;
  padding: clamp(2.2rem, 6vw, 4.2rem) 0 clamp(1.8rem, 4vw, 3rem);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(46, 124, 246, 0.24), transparent 58%),
    radial-gradient(90% 80% at 92% 10%, rgba(194, 30, 46, 0.28), transparent 60%),
    linear-gradient(165deg, var(--ink-900) 0%, var(--ink-800) 52%, var(--panel) 100%);
  border-top: 4px solid var(--red);
  overflow: hidden;
}

.page-products .lib-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(247, 241, 227, 0.04) 0,
    rgba(247, 241, 227, 0.04) 1px,
    transparent 1px,
    transparent 4px
  );
  pointer-events: none;
}

.page-products .lib-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-products .lib-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--cream);
  margin: 0 0 1.1rem;
  max-width: 22ch;
}

.page-products .lib-lede {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(247, 241, 227, 0.84);
  max-width: 62ch;
  margin: 0;
}

.page-products .lib-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1.2rem;
  margin: 1.8rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px dashed var(--line-gold);
}

.page-products .lib-stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.page-products .lib-stat .num {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.page-products .lib-stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(247, 241, 227, 0.66);
}

/* ---------- 通用区块头 ---------- */
.page-products .lib-section-head {
  margin-bottom: 1.6rem;
}

.page-products .lib-section-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 4.4vw, 2.2rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0 0 0.7rem;
}

.page-products .lib-section-note {
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0;
  max-width: 64ch;
}

/* ---------- 分类轨道 ---------- */
.page-products .lib-track-section {
  background: var(--paper);
  color: var(--slate);
  padding: clamp(2rem, 5vw, 3.4rem) 0 clamp(1.4rem, 4vw, 2.6rem);
}

.page-products .lib-track-section .eyebrow {
  color: var(--wine);
}

.page-products .lib-track-section .lib-section-note {
  color: #45565f;
}

.page-products .lib-overview-figure {
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: var(--shadow);
  margin-bottom: 1.6rem;
}

.page-products .lib-overview-figure img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-products .lib-overview-figure figcaption {
  font-size: 0.8rem;
  line-height: 1.6;
  color: rgba(247, 241, 227, 0.7);
  padding: 0.7rem 1rem;
  background: var(--ink-900);
  border-top: 1px solid var(--line-gold);
}

.page-products .lib-track {
  list-style: none;
  margin: 0;
  padding: 0.3rem 0.1rem 1rem;
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 0.1rem;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) rgba(38, 50, 56, 0.12);
}

.page-products .lib-track::-webkit-scrollbar {
  height: 6px;
}

.page-products .lib-track::-webkit-scrollbar-thumb {
  background: var(--gold);
  border-radius: 999px;
}

.page-products .lib-track > li {
  flex: 0 0 76%;
  min-width: 0;
  scroll-snap-align: center;
}

.page-products .lib-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  height: 100%;
  padding: 1rem;
  text-decoration: none;
  background: var(--paper-2);
  border: 1px solid rgba(38, 50, 56, 0.16);
  border-radius: var(--r-md);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.page-products .lib-card:hover,
.page-products .lib-card:focus-visible {
  border-color: var(--red);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(11, 31, 26, 0.16);
}

.page-products .lib-card:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.page-products .lib-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r-sm);
  background: rgba(11, 31, 26, 0.06);
  color: var(--red);
}

.page-products .lib-card-icon svg {
  width: 26px;
  height: 26px;
}

.page-products .lib-track > li:nth-child(3n + 2) .lib-card-icon {
  color: var(--blue);
}

.page-products .lib-track > li:nth-child(3n) .lib-card-icon {
  color: #9a7420;
}

.page-products .lib-card-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink-900);
}

.page-products .lib-card-desc {
  font-size: 0.84rem;
  line-height: 1.65;
  color: #45565f;
}

.page-products .lib-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.35rem 0 0;
  padding: 0;
}

.page-products .lib-card .lib-chips {
  margin-top: auto;
  padding-top: 0.5rem;
}

.page-products .lib-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  line-height: 1.5;
  background: rgba(11, 31, 26, 0.07);
  color: #33454e;
  border: 1px solid transparent;
}

.page-products .lib-chip .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--wine);
}

.page-products .lib-chip-gold {
  background: rgba(214, 168, 75, 0.16);
  border-color: rgba(214, 168, 75, 0.5);
  color: var(--gold);
}

.page-products .lib-chip-gold .num {
  color: var(--gold);
}

/* ---------- 分类详解 ---------- */
.page-products .lib-cat-section {
  background:
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  padding: clamp(2rem, 5vw, 3.6rem) 0;
}

.page-products .lib-section-head-dark h2 {
  color: var(--cream);
}

.page-products .lib-section-head-dark .lib-section-note {
  color: rgba(247, 241, 227, 0.74);
}

.page-products .lib-cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .lib-cat {
  background: linear-gradient(180deg, var(--panel) 0%, var(--ink-800) 100%);
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  padding: 1.15rem;
  scroll-margin-top: 92px;
}

.page-products .lib-cat-head {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 0.6rem;
}

.page-products .lib-cat-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--line-gold);
  border-radius: var(--r-sm);
}

.page-products .lib-cat h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0;
  color: var(--cream);
}

.page-products .lib-cat p {
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(247, 241, 227, 0.8);
  margin: 0;
}

.page-products .lib-cat .lib-chip {
  background: rgba(247, 241, 227, 0.08);
  color: rgba(247, 241, 227, 0.86);
  border-color: rgba(247, 241, 227, 0.14);
}

.page-products .lib-cat .lib-chip .num {
  color: var(--gold);
}

.page-products .lib-cat .lib-chip-gold {
  background: rgba(214, 168, 75, 0.14);
  border-color: rgba(214, 168, 75, 0.45);
  color: var(--gold);
}

.page-products .lib-notes {
  display: grid;
  gap: 0.5rem;
  margin: 0.95rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line-gold);
}

.page-products .lib-note-row {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: baseline;
}

.page-products .lib-note-row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
}

.page-products .lib-note-row dd {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.6;
  color: rgba(247, 241, 227, 0.76);
}

.page-products .lib-cat-feature {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.page-products .lib-cat-figure {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(214, 168, 75, 0.22);
}

.page-products .lib-cat-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .lib-cat-figure figcaption {
  font-size: 0.76rem;
  line-height: 1.6;
  padding: 0.6rem 0.85rem;
  background: rgba(11, 31, 26, 0.72);
  color: rgba(247, 241, 227, 0.66);
}

/* ---------- 版本记录 ---------- */
.page-products .lib-versions {
  background:
    radial-gradient(100% 80% at 100% 0%, rgba(214, 168, 75, 0.18), transparent 60%),
    linear-gradient(170deg, var(--wine) 0%, #55161f 100%);
  color: var(--cream);
  padding: clamp(2rem, 5vw, 3.6rem) 0;
  border-top: 1px solid rgba(247, 241, 227, 0.14);
  border-bottom: 1px solid rgba(247, 241, 227, 0.14);
}

.page-products .lib-versions-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  align-items: start;
}

.page-products .lib-versions h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.2vw, 2.05rem);
  line-height: 1.3;
  margin: 0 0 0.8rem;
  color: var(--cream);
}

.page-products .lib-versions p {
  font-size: 0.94rem;
  line-height: 1.82;
  color: rgba(247, 241, 227, 0.84);
  margin: 0 0 1.2rem;
}

.page-products .lib-version {
  background: rgba(11, 31, 26, 0.32);
  border: 1px solid rgba(247, 241, 227, 0.22);
  border-radius: var(--r-md);
  margin-bottom: 0.6rem;
}

.page-products .lib-version summary {
  cursor: pointer;
  list-style: none;
  padding: 0.8rem 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--cream);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.page-products .lib-version summary::-webkit-details-marker {
  display: none;
}

.page-products .lib-version summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-products .lib-version[open] summary::after {
  content: "−";
}

.page-products .lib-version summary:focus-visible {
  outline: 2px solid var(--blue-soft);
  outline-offset: 2px;
  border-radius: var(--r-md);
}

.page-products .lib-version-body {
  padding: 0 1rem 0.9rem;
  border-top: 1px dashed rgba(247, 241, 227, 0.22);
  margin-top: 0.1rem;
}

.page-products .lib-version-body p {
  font-size: 0.88rem;
  line-height: 1.78;
  color: rgba(247, 241, 227, 0.8);
  margin: 0.7rem 0 0;
}

.page-products .lib-version-figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(247, 241, 227, 0.24);
  box-shadow: var(--shadow);
}

.page-products .lib-version-figure img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-products .lib-version-figure figcaption {
  font-size: 0.78rem;
  line-height: 1.6;
  padding: 0.65rem 0.95rem;
  background: rgba(11, 31, 26, 0.5);
  color: rgba(247, 241, 227, 0.74);
}

/* ---------- 移动端 ---------- */
.page-products .lib-mobile {
  background:
    radial-gradient(90% 70% at 85% 15%, rgba(46, 124, 246, 0.26), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  padding: clamp(2rem, 5vw, 3.6rem) 0;
}

.page-products .lib-mobile-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  align-items: center;
}

.page-products .lib-mobile h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.4vw, 2.1rem);
  line-height: 1.3;
  margin: 0 0 0.8rem;
  color: var(--cream);
}

.page-products .lib-mobile .lib-section-note {
  color: rgba(247, 241, 227, 0.76);
  margin-bottom: 1.1rem;
}

.page-products .lib-mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .lib-mobile-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(247, 241, 227, 0.8);
}

.page-products .lib-mobile-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(46, 124, 246, 0.2);
}

.page-products .lib-mobile-list strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--gold);
  margin-bottom: 0.1rem;
}

.page-products .lib-mobile-figure {
  justify-self: center;
  width: 100%;
  max-width: 320px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-gold);
  box-shadow: var(--shadow);
  background: var(--panel);
}

.page-products .lib-mobile-figure img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-products .lib-mobile-figure figcaption {
  font-size: 0.76rem;
  line-height: 1.6;
  padding: 0.6rem 0.85rem;
  color: rgba(247, 241, 227, 0.7);
  border-top: 1px solid var(--line-gold);
}

/* ---------- 样例 ---------- */
.page-products .lib-samples {
  background: var(--paper-2);
  color: var(--slate);
  padding: clamp(2rem, 5vw, 3.4rem) 0;
}

.page-products .lib-samples .eyebrow {
  color: var(--wine);
}

.page-products .lib-samples .lib-section-note {
  color: #45565f;
}

.page-products .lib-sample-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}

.page-products .lib-sample {
  border-left: 3px solid var(--red);
  background: var(--paper);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 0.85rem 1rem;
}

.page-products .lib-sample-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--ink-900);
  margin: 0 0 0.35rem;
}

.page-products .lib-sample-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 0.45rem;
}

.page-products .lib-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  background: rgba(194, 30, 46, 0.12);
  color: #9b1626;
  border: 1px solid rgba(194, 30, 46, 0.28);
}

.page-products .lib-tag-plain {
  background: rgba(11, 31, 26, 0.06);
  color: #3d4f58;
  border-color: rgba(38, 50, 56, 0.16);
}

.page-products .lib-sample-desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: #3d4f58;
}

/* ---------- 下一步 ---------- */
.page-products .lib-next {
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  padding: clamp(2rem, 5vw, 3.4rem) 0 clamp(2.2rem, 5vw, 3.6rem);
}

.page-products .lib-next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-products .lib-next-card {
  position: relative;
  display: block;
  padding: 1.15rem 3rem 1.15rem 1.15rem;
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line-gold);
  border-radius: var(--r-md);
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.page-products .lib-next-card:hover,
.page-products .lib-next-card:focus-visible {
  border-color: var(--gold);
  background: var(--panel-soft);
  transform: translateY(-2px);
}

.page-products .lib-next-card:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.page-products .lib-next-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.page-products .lib-next-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--cream);
  margin-bottom: 0.4rem;
}

.page-products .lib-next-desc {
  display: block;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(247, 241, 227, 0.74);
}

.page-products .lib-next-arrow {
  position: absolute;
  right: 1rem;
  top: 1.15rem;
  font-size: 1.1rem;
  color: var(--red-signal);
}

.page-products .lib-next-foot {
  margin: 1.4rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(247, 241, 227, 0.66);
}

.page-products .lib-next-foot a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 184, 255, 0.5);
  margin: 0 0.15rem;
}

.page-products .lib-next-foot a:hover,
.page-products .lib-next-foot a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .lib-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .lib-track > li {
    flex-basis: 46%;
  }

  .page-products .lib-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .lib-sample-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .lib-track > li {
    flex-basis: 250px;
  }

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

  .page-products .lib-cat-feature {
    grid-column: span 3;
    flex-direction: row;
    align-items: stretch;
    gap: 1.4rem;
  }

  .page-products .lib-cat-feature .lib-cat-body {
    flex: 1 1 55%;
  }

  .page-products .lib-cat-feature .lib-cat-figure {
    flex: 1 1 45%;
    display: flex;
    flex-direction: column;
  }

  .page-products .lib-cat-feature .lib-cat-figure img {
    flex: 1 1 auto;
    height: 100%;
    aspect-ratio: auto;
    min-height: 220px;
  }

  .page-products .lib-versions-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 2.2rem;
  }

  .page-products .lib-mobile-inner {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 2.4rem;
  }

  .page-products .lib-next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>