.page-products {
  --bz-gap: 1.75rem;
}

.page-products .breadcrumb {
  padding-block: 1.1rem 0.2rem;
}

/* ---------- 首屏 ---------- */
.page-products .bz-intro {
  display: grid;
  gap: 2rem;
  padding-block: 1.6rem 3rem;
  align-items: center;
}

.page-products .bz-intro-copy .display-title {
  font-size: clamp(2.3rem, 8.2vw, 4.5rem);
  line-height: 1.02;
  margin: 0.6rem 0 1rem;
}

.page-products .bz-intro-copy .section-lead {
  max-width: 56ch;
}

.page-products .bz-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products .bz-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2.4rem;
  margin: 2rem 0 0;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.page-products .bz-stats .stat {
  margin: 0;
  display: flex;
  flex-direction: column-reverse;
}

.page-products .bz-stats .stat-value {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.6vw, 2.2rem);
  line-height: 1;
  color: var(--bone);
  margin: 0;
}

.page-products .bz-stats .stat-value small {
  font-size: 0.55em;
  color: var(--orange);
  margin-left: 0.15em;
}

.page-products .bz-stats .stat-label {
  font-size: 0.82rem;
  color: var(--slate);
  letter-spacing: 0.03em;
  margin-top: 0.45rem;
}

.page-products .bz-intro-art {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  position: relative;
}

.page-products .bz-intro-art img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-products .bz-intro-art figcaption {
  padding: 0.9rem 1.2rem 1.05rem;
  font-size: 0.86rem;
  color: var(--slate);
  line-height: 1.7;
  border-top: 1px solid var(--line);
}

/* ---------- 横向主题带 ---------- */
.page-products .bz-rail-section {
  padding-block: 1rem 2.4rem;
}

.page-products .bz-rail-section .section-head {
  margin-bottom: 1.2rem;
}

.page-products .bz-rail {
  display: flex;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0.3rem max(1.2rem, calc((100vw - var(--shell)) / 2)) 1.4rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .bz-rail::-webkit-scrollbar {
  height: 6px;
}

.page-products .bz-rail::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 99px;
}

.page-products .bz-rail-item {
  flex: 0 0 min(80%, 320px);
  scroll-snap-align: start;
}

.page-products .bz-rail-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.4rem 1.3rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  color: var(--bone);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-products .bz-rail-card:hover,
.page-products .bz-rail-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-products .bz-rail-num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-products .bz-rail-title {
  margin: 0.7rem 0 0.5rem;
  font-size: 1.16rem;
  line-height: 1.3;
  color: var(--bone);
}

.page-products .bz-rail-desc {
  margin: 0 0 1.1rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .bz-rail-more {
  margin-top: auto;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 模块通用 ---------- */
.page-products .bz-module {
  padding-block: 2.6rem;
  scroll-margin-top: 6.5rem;
}

.page-products .bz-module-grid {
  display: grid;
  gap: var(--bz-gap);
}

.page-products .bz-index {
  display: block;
  font-size: clamp(3.2rem, 13vw, 6rem);
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: var(--crimson-bright);
}

.page-products .bz-module-head .section-title {
  margin: 0.8rem 0 0.7rem;
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  line-height: 1.18;
}

.page-products .bz-module-kicker {
  margin: 0;
  font-size: 0.88rem;
  color: var(--slate);
  line-height: 1.7;
  padding-left: 0.85rem;
  border-left: 2px solid var(--crimson);
}

.page-products .bz-module-body .prose {
  margin-top: 0;
}

.page-products .bz-narrow {
  max-width: 62ch;
  line-height: 1.9;
}

.page-products .bz-points {
  list-style: none;
  margin: 1.4rem 0 1.6rem;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-products .bz-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .bz-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.55rem;
  height: 2px;
  background: var(--cyan);
}

.page-products .bz-points strong {
  color: var(--bone);
  font-weight: 700;
  margin-right: 0.35rem;
}

.page-products .bz-sub-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.2rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(176, 16, 44, 0.22), rgba(10, 12, 16, 0.1));
}

.page-products .bz-sync-line {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--slate);
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  max-width: 42ch;
}

.page-products .bz-sync-line .sync-dot {
  flex: none;
  margin-top: 0.55em;
}

/* ---------- 步骤与同步说明 ---------- */
.page-products .bz-steps {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-products .bz-steps li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .bz-steps li:first-child {
  border-top: 1px solid var(--line);
}

.page-products .bz-steps .mono {
  font-size: 1.25rem;
  color: var(--orange);
  line-height: 1;
}

.page-products .bz-sync-details {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 0 1.2rem;
}

.page-products .bz-sync-details summary {
  cursor: pointer;
  padding: 1rem 1.8rem 1rem 0;
  position: relative;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--bone);
  list-style: none;
}

.page-products .bz-sync-details summary::-webkit-details-marker {
  display: none;
}

.page-products .bz-sync-details summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--cyan);
}

.page-products .bz-sync-details[open] summary::after {
  content: "–";
}

.page-products .bz-sync-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .bz-sync-diagram {
  padding-bottom: 1.3rem;
}

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

/* ---------- 深红渐变分隔带 ---------- */
.page-products .bz-divider {
  background: linear-gradient(100deg, var(--crimson) 0%, var(--crimson-deep) 52%, var(--ink) 100%);
  margin-block: 1rem;
}

.page-products .bz-divider-inner {
  padding-block: 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-products .bz-divider-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: rgba(243, 239, 233, 0.72);
}

.page-products .bz-divider-text {
  margin: 0;
  font-size: clamp(1.05rem, 4.4vw, 1.55rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--bone);
}

/* ---------- 资料区 ---------- */
.page-products .bz-archive-art,
.page-products .bz-league-art,
.page-products .bz-reel-art,
.page-products .bz-outro-art {
  margin: 0 0 1.6rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .bz-archive-art {
  transform: rotate(-1.2deg);
}

.page-products .bz-archive-art img,
.page-products .bz-league-art img,
.page-products .bz-reel-art img,
.page-products .bz-outro-art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .bz-archive-art img {
  aspect-ratio: 4 / 3;
}

.page-products .bz-league-art img,
.page-products .bz-outro-art img {
  aspect-ratio: 3 / 2;
}

.page-products .bz-reel-art img {
  aspect-ratio: 14 / 9;
}

.page-products .bz-archive-art figcaption,
.page-products .bz-reel-art figcaption {
  padding: 0.85rem 1.1rem 1rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--slate);
  border-top: 1px solid var(--line);
}

.page-products .bz-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  margin-top: 1.6rem;
}

.page-products .bz-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.page-products .bz-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #171C26;
  color: var(--bone);
  text-align: left;
  font-weight: 700;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .bz-table td {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  color: var(--slate);
  line-height: 1.7;
  vertical-align: top;
}

.page-products .bz-table td:first-child {
  color: var(--bone);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .bz-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 十组分类 ---------- */
.page-products .bz-groups {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-products .bz-group {
  display: grid;
  grid-template-columns: 2.7rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  transition: border-color 0.22s var(--ease);
}

.page-products .bz-group:hover {
  border-color: rgba(38, 227, 200, 0.55);
}

.page-products .bz-group-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--orange);
  letter-spacing: 0.05em;
  padding-top: 0.15rem;
}

.page-products .bz-group h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  color: var(--bone);
  line-height: 1.4;
}

.page-products .bz-group p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 使用场景 ---------- */
.page-products .bz-scenes-section {
  padding-block: 2.6rem 1.6rem;
}

.page-products .bz-scenes-section .section-head {
  margin-bottom: 1.6rem;
}

.page-products .bz-scenes {
  display: grid;
  gap: 1rem;
}

.page-products .bz-scene {
  padding: 1.5rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--panel), #10141B);
}

.page-products .bz-scene--accent {
  border-color: rgba(38, 227, 200, 0.5);
  background: linear-gradient(165deg, rgba(38, 227, 200, 0.12), var(--panel) 62%);
}

.page-products .bz-scene h3 {
  margin: 0 0 0.7rem;
  font-size: 1.12rem;
  color: var(--bone);
  line-height: 1.4;
}

.page-products .bz-scene p {
  margin: 0 0 1.1rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .bz-scene-link {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 227, 200, 0.4);
  padding-bottom: 0.15rem;
}

.page-products .bz-scene-link:hover,
.page-products .bz-scene-link:focus-visible {
  color: var(--bone);
  border-bottom-color: var(--bone);
}

/* ---------- 版本演进 ---------- */
.page-products .bz-timeline {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--line);
}

.page-products .bz-timeline li {
  position: relative;
  padding-bottom: 1.6rem;
}

.page-products .bz-timeline li:last-child {
  padding-bottom: 0.4rem;
}

.page-products .bz-timeline li::before {
  content: "";
  position: absolute;
  left: calc(-1.5rem - 7px);
  top: 0.45rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(38, 227, 200, 0.14);
}

.page-products .bz-tl-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--orange);
  margin-bottom: 0.35rem;
}

.page-products .bz-timeline h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
  color: var(--bone);
  line-height: 1.45;
}

.page-products .bz-timeline p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .bz-version-note {
  margin: 1.6rem 0 1.2rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--slate);
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--crimson);
  background: rgba(176, 16, 44, 0.12);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- 收尾 ---------- */
.page-products .bz-outro {
  display: grid;
  gap: 1.6rem;
  padding-block: 2.4rem 4rem;
}

.page-products .bz-outro .section-title {
  margin: 0 0 0.9rem;
  font-size: clamp(1.5rem, 4.6vw, 2.2rem);
  line-height: 1.2;
}

.page-products .bz-outro .prose {
  margin-top: 0;
}

.page-products .bz-outro .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 227, 200, 0.4);
}

.page-products .bz-outro .prose a:hover,
.page-products .bz-outro .prose a:focus-visible {
  color: var(--bone);
  border-bottom-color: var(--bone);
}

.page-products .bz-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .bz-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .bz-rail-item {
    flex: 0 0 300px;
  }

  .page-products .bz-divider-inner {
    flex-direction: row;
    align-items: baseline;
    gap: 1.4rem;
  }
}

@media (min-width: 960px) {
  .page-products {
    --bz-gap: 3rem;
  }

  .page-products .bz-intro {
    grid-template-columns: minmax(0, 34%) minmax(0, 66%);
    gap: 3rem;
    padding-block: 2.4rem 4.2rem;
  }

  .page-products .bz-module-grid {
    grid-template-columns: minmax(0, 34%) minmax(0, 66%);
    align-items: start;
  }

  .page-products .bz-module--flip .bz-module-grid {
    grid-template-columns: minmax(0, 66%) minmax(0, 34%);
  }

  .page-products .bz-module-head {
    position: sticky;
    top: 7rem;
  }

  .page-products .bz-module--flip .bz-module-head {
    order: 2;
  }

  .page-products .bz-module--flip .bz-module-body {
    order: 1;
  }

  .page-products .bz-outro {
    grid-template-columns: minmax(0, 38%) minmax(0, 62%);
    align-items: center;
    gap: 2.6rem;
  }

  .page-products .bz-outro-art {
    margin-bottom: 0;
    transform: rotate(-1deg);
  }
}

@media (min-width: 1180px) {
  .page-products .bz-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .bz-rail {
    scroll-behavior: auto;
  }

  .page-products .bz-rail-card,
  .page-products .bz-group {
    transition: none;
  }

  .page-products .bz-rail-card:hover,
  .page-products .bz-rail-card:focus-visible {
    transform: none;
  }

  .page-products .bz-archive-art,
  .page-products .bz-outro-art {
    transform: none;
  }
}