.page-products .page-head {
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .page-title {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  max-width: 960px;
}

.page-products .page-desc {
  max-width: 780px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.page-products .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.page-products .breadcrumb-sep {
  color: var(--line-strong);
}

.page-products .breadcrumb-current {
  color: var(--neon);
}

.page-products .section {
  padding: 48px 0;
}

.page-products .section-alt {
  background: rgba(17, 34, 64, 0.55);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .section-heading {
  margin-bottom: 28px;
}

.page-products .section-title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.15;
}

.page-products .section-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

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

.page-products .media-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-products .version-layout {
  display: grid;
  gap: 28px;
}

.page-products .version-preview {
  width: 100%;
}

.page-products .version-grid {
  display: grid;
  gap: 16px;
}

.page-products .version-card {
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .version-card:hover {
  border-color: rgba(255, 107, 53, 0.55);
  transform: translateY(-3px);
}

.page-products .version-current {
  border-color: rgba(255, 107, 53, 0.55);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.12);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), var(--bg-card) 48%);
}

.page-products .version-origin {
  border-color: rgba(255, 140, 90, 0.3);
}

.page-products .version-topline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-products .version-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-products .version-card .panel-card-title {
  font-size: 20px;
  margin: 0 0 10px;
}

.page-products .version-card .panel-card-desc {
  font-size: 13px;
  line-height: 1.65;
  margin-bottom: 16px;
}

.page-products .version-card .btn {
  margin-top: auto;
}

.page-products .compare-layout {
  display: grid;
  gap: 28px;
}

.page-products .data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .data-table th,
.page-products .data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line-faint);
  text-align: left;
  vertical-align: top;
}

.page-products .data-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--neon);
  background: rgba(57, 255, 20, 0.05);
  white-space: nowrap;
}

.page-products .data-table tbody th {
  width: 32%;
  font-weight: 500;
  color: var(--text-secondary);
}

.page-products .data-table td {
  color: var(--text-main);
}

.page-products .stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--neon);
}

.page-products .compare-chart {
  width: 100%;
}

.page-products .archive-layout {
  display: grid;
  gap: 24px;
}

.page-products .archive-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-1);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products .archive-panel:hover {
  border-color: rgba(255, 107, 53, 0.4);
  box-shadow: var(--shadow-2);
}

.page-products .archive-media {
  width: 100%;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .archive-content {
  padding: 24px;
}

.page-products .archive-title {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
}

.page-products .archive-content p {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .archive-meta {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  padding-top: 12px;
  border-top: 1px dashed var(--line-faint);
}

.page-products .archive-content .btn {
  margin-top: 8px;
}

.page-products .sync-layout {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-products .sync-content {
  padding: 4px 0;
}

.page-products .sync-heading {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.2;
}

.page-products .sync-content p {
  margin: 0 0 18px;
  color: var(--text-secondary);
  line-height: 1.8;
}

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

.page-products .sync-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .sync-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--neon);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.12);
}

.page-products .sync-media {
  width: 100%;
}

.page-products .system-grid {
  display: grid;
  gap: 16px;
}

.page-products .system-item {
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--accent);
  padding: 20px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .system-item:hover {
  border-left-color: var(--neon);
  background: rgba(57, 255, 20, 0.045);
}

.page-products .system-name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.04em;
}

.page-products .system-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .timeline-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 8px;
  padding: 2px 8px;
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.25);
}

.page-products .timeline-item[data-live] .timeline-year {
  color: var(--neon);
  background: rgba(57, 255, 20, 0.08);
  border-color: rgba(57, 255, 20, 0.3);
}

.page-products .timeline-title {
  font-size: 18px;
  font-weight: 750;
  margin: 0 0 6px;
}

.page-products .timeline-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  border: none;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.28);
}

@media (min-width: 640px) {
  .page-products .version-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .archive-layout {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .system-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .archive-panel {
    flex-direction: row;
  }

  .page-products .archive-media {
    width: 44%;
    border-bottom: none;
    border-right: 1px solid var(--line-strong);
  }

  .page-products .archive-content {
    width: 56%;
  }
}

@media (min-width: 960px) {
  .page-products .page-head {
    padding: 44px 0 60px;
  }

  .page-products .section {
    padding: 76px 0;
  }

  .page-products .version-layout {
    grid-template-columns: 400px 1fr;
    gap: 48px;
  }

  .page-products .version-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-products .version-current {
    grid-column: span 2;
  }

  .page-products .compare-layout {
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
  }

  .page-products .sync-layout {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }

  .page-products .system-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}