.page-products {
  --prod-sidebar-w: 248px;
  --prod-gap: 28px;
  --prod-card-cut: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-products .prod-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-sub);
}

.page-products .prod-crumb-link {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-products .prod-crumb-link:hover {
  color: var(--gold-bright);
}

.page-products .prod-crumb-sep {
  color: var(--border-line);
}

.page-products .prod-crumb-current {
  color: var(--gold);
}

.page-products .prod-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 32px 0 28px;
  border-bottom: 3px solid var(--border-line);
  margin-bottom: 32px;
  position: relative;
}

.page-products .prod-hero-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-products .prod-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(32px, 8vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  margin: 8px 0 16px;
  color: var(--text-main);
}

.page-products .prod-hero-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
  max-width: 54ch;
  margin-bottom: 24px;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .prod-hero-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  border-left: 3px solid var(--border-line);
  padding-left: 20px;
  margin-left: 4px;
}

.page-products .prod-hero-ver {
  font-family: var(--font-head);
  font-size: 56px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-products .prod-hero-sub {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 8px;
  letter-spacing: 0.14em;
}

.page-products .prod-layout {
  display: block;
  padding-bottom: var(--space-xl);
}

.page-products .prod-sidebar {
  margin-bottom: 28px;
}

.page-products .prod-sidebar-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 10px;
}

.page-products .prod-sidebar-nav {
  display: flex;
  overflow-x: auto;
  gap: 8px;
  padding-bottom: 4px;
  margin-bottom: 16px;
}

.page-products .prod-sidebar-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-panel);
  border: 2px solid var(--border-line);
  color: var(--text-main);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.page-products .prod-sidebar-link:hover {
  border-color: var(--gold);
  color: var(--gold-bright);
  box-shadow: var(--shadow-gold);
}

.page-products .prod-sidebar-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  opacity: 0.7;
}

.page-products .prod-sidebar-more {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

.page-products .prod-sidebar-more .prod-sidebar-title {
  width: 100%;
  margin-bottom: 0;
}

.page-products .prod-main {
  min-width: 0;
}

.page-products .prod-section {
  margin-bottom: var(--space-xl);
  border-bottom: 3px solid var(--border-line);
  padding-bottom: var(--space-lg);
}

.page-products .prod-section:last-of-type {
  border-bottom: 0;
}

.page-products .prod-features-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 20px 0 24px;
}

.page-products .prod-features-media {
  position: relative;
  border: 3px solid var(--border-line);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
  background: var(--bg-panel);
}

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

.page-products .prod-features-lead {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.page-products .prod-features-lead p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-sub);
}

.page-products .prod-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .prod-feature-card {
  position: relative;
  background: var(--bg-panel);
  border: 3px solid var(--border-line);
  box-shadow: var(--shadow-strong);
  padding: 20px;
  transition: border-color 0.25s ease, transform 0.25s var(--ease-out);
  clip-path: var(--prod-card-cut);
}

.page-products .prod-feature-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .prod-feature-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
  opacity: 0.8;
  display: block;
  margin-bottom: 10px;
  letter-spacing: 0.08em;
}

.page-products .prod-feature-card h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.page-products .prod-feature-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-sub);
}

.page-products .prod-feature-security {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  align-items: center;
  border-color: var(--gold);
}

.page-products .prod-feature-security-media {
  border: 2px solid var(--border-line);
  overflow: hidden;
}

.page-products .prod-feature-security-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-products .prod-download-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 20px;
}

.page-products .prod-download-media {
  border: 3px solid var(--border-line);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

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

.page-products .prod-download-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .prod-step {
  background: var(--bg-panel);
  border: 2px solid var(--border-line);
  border-left: 4px solid var(--gold);
  transition: border-color 0.2s ease;
}

.page-products .prod-step[open] {
  border-left-color: var(--neon-blue);
}

.page-products .prod-step summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-products .prod-step summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-step summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
  flex-shrink: 0;
  line-height: 1;
}

.page-products .prod-step[open] summary::after {
  content: "−";
  color: var(--neon-blue);
}

.page-products .prod-step p {
  padding: 0 16px 14px;
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-sub);
}

.page-products .prod-info-note {
  border-left: 4px solid var(--red-alert);
  padding-left: 12px;
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  margin: 4px 0 0;
}

.page-products .prod-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 20px;
}

.page-products .prod-timeline-visual {
  border: 3px solid var(--border-line);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

.page-products .prod-timeline-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-timeline-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 3px solid var(--border-line);
}

.page-products .prod-timeline-item {
  position: relative;
  padding: 0 0 24px 16px;
}

.page-products .prod-timeline-item:last-child {
  padding-bottom: 0;
}

.page-products .prod-timeline-item::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--bg-main);
  border: 3px solid var(--gold);
  transform: rotate(45deg);
}

.page-products .prod-timeline-item.prod-timeline-current::before {
  background: var(--gold);
  box-shadow: var(--shadow-gold);
}

.page-products .prod-timeline-ver {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 900;
  color: var(--text-main);
  margin-right: 10px;
}

.page-products .prod-timeline-year {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}

.page-products .prod-timeline-item p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-sub);
}

.page-products .prod-compare {
  margin-top: 20px;
  background: var(--bg-panel);
  border: 2px solid var(--border-line);
}

.page-products .prod-compare summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-products .prod-compare summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-compare summary::after {
  content: "+";
  font-size: 18px;
}

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

.page-products .prod-compare-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 2px solid var(--border-line);
}

.page-products .prod-compare-table th,
.page-products .prod-compare-table td {
  border: 2px solid var(--border-line);
  padding: 10px 12px;
  text-align: left;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-main);
}

.page-products .prod-compare-table th {
  background: var(--bg-float);
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .prod-compare-table td {
  background: var(--bg-main);
}

.page-products .prod-specs-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 20px;
}

.page-products .prod-specs-table-wrap {
  overflow-x: auto;
}

.page-products .prod-specs-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
}

.page-products .prod-specs-table th,
.page-products .prod-specs-table td {
  border: 3px solid var(--border-line);
  padding: 14px;
  text-align: left;
}

.page-products .prod-specs-table th {
  background: var(--bg-float);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-products .prod-specs-table td {
  background: var(--bg-panel);
  color: var(--text-main);
  font-size: 14px;
  line-height: 1.55;
}

.page-products .prod-specs-table tr:nth-child(even) td {
  background: var(--bg-main);
}

.page-products .prod-specs-media {
  border: 3px solid var(--border-line);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
  align-self: stretch;
}

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

.page-products .prod-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.page-products .prod-faq-item {
  background: var(--bg-panel);
  border: 2px solid var(--border-line);
  border-left: 4px solid var(--gold);
  transition: border-left-color 0.2s ease;
}

.page-products .prod-faq-item[open] {
  border-left-color: var(--neon-blue);
}

.page-products .prod-faq-q {
  cursor: pointer;
  list-style: none;
  padding: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  line-height: 1.5;
}

.page-products .prod-faq-q::-webkit-details-marker {
  display: none;
}

.page-products .prod-faq-q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--gold);
  flex-shrink: 0;
}

.page-products .prod-faq-item[open] .prod-faq-q::after {
  content: "−";
  color: var(--neon-blue);
}

.page-products .prod-faq-a {
  padding: 0 16px 16px;
}

.page-products .prod-faq-a p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-sub);
}

.page-products .prod-faq-link {
  font-size: 14px;
}

.page-products .prod-more {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 8px;
}

.page-products .prod-more-card {
  display: block;
  background: var(--bg-panel);
  border: 3px solid var(--border-line);
  box-shadow: var(--shadow-strong);
  padding: 20px;
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s var(--ease-out);
}

.page-products .prod-more-card:hover {
  border-color: var(--neon-blue);
  transform: translateY(-2px);
}

.page-products .prod-more-card h2 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin: 8px 0 8px;
}

.page-products .prod-more-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-sub);
  margin: 0;
}

@media (min-width: 600px) {
  .page-products .prod-hero-side {
    position: absolute;
    right: 0;
    top: 32px;
    bottom: 28px;
    width: 180px;
  }

  .page-products .prod-hero-main {
    padding-right: 200px;
  }

  .page-products .prod-features-security {
    grid-template-columns: 180px 1fr;
  }
}

@media (min-width: 960px) {
  .page-products .prod-layout {
    display: grid;
    grid-template-columns: var(--prod-sidebar-w) 1fr;
    gap: var(--prod-gap);
    align-items: start;
  }

  .page-products .prod-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-bottom: 0;
  }

  .page-products .prod-sidebar-nav {
    display: flex;
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
    margin-bottom: 24px;
    border-left: 2px solid var(--border-line);
  }

  .page-products .prod-sidebar-link {
    width: 100%;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    padding: 10px 8px;
    font-size: 14px;
    border-radius: 0;
  }

  .page-products .prod-sidebar-link:hover {
    background: var(--bg-panel);
    border-left-color: var(--gold);
    box-shadow: none;
  }

  .page-products .prod-sidebar-more {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    border-top: 2px solid var(--border-line);
    padding-top: 20px;
  }

  .page-products .prod-sidebar-more .prod-sidebar-title {
    margin-bottom: 4px;
  }

  .page-products .prod-features-intro {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-products .prod-download-wrap {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-products .prod-timeline {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
  }

  .page-products .prod-specs-wrap {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
  }

  .page-products .prod-more {
    grid-template-columns: repeat(3, 1fr);
  }
}