.page-products {
  --prod-accent: #29C5FF;
  --prod-warn: #FF2E88;
  --prod-violet: #B14BFF;
  --prod-yellow: #FFD166;
  --prod-line: rgba(41, 197, 255, 0.35);
  --prod-grid-line: rgba(242, 230, 201, 0.07);
  --prod-bg-soft: #101420;
  --prod-mono: var(--font-mono, 'JetBrains Mono', 'Courier New', monospace);
  background: var(--bg-ink);
  color: var(--paper);
  overflow-x: hidden;
}
.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}
.page-products .container {
  width: 100%;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.page-products img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.page-products a {
  color: var(--prod-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 197, 255, 0.3);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-products a:hover,
.page-products a:focus-visible {
  color: var(--paper);
  border-color: var(--prod-warn);
}
.page-products .breadcrumb {
  font-family: var(--prod-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1.1rem 0 0;
  color: rgba(242, 230, 201, 0.55);
  border-bottom: 1px solid var(--prod-grid-line);
  margin-bottom: 0;
}
.page-products .breadcrumb a {
  color: var(--prod-accent);
}
.page-products .breadcrumb .breadcrumb-current {
  color: rgba(242, 230, 201, 0.85);
}
.page-products .breadcrumb-sep {
  margin: 0 0.5rem;
  color: rgba(242, 230, 201, 0.35);
}
.page-products .section-title-index {
  font-family: var(--prod-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--prod-accent);
  margin: 0 0 0.35rem;
  text-transform: uppercase;
}
.page-products h2 {
  font-family: var(--font-head, 'Space Grotesk', 'Noto Serif SC', serif);
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  color: var(--paper);
}
.page-products h3 {
  font-family: var(--font-head, 'Space Grotesk', 'Noto Serif SC', serif);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--paper);
}
.page-products h4 {
  font-family: var(--font-head, 'Space Grotesk', 'Noto Serif SC', serif);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  color: var(--paper);
}
.page-products p {
  margin: 0 0 0.8rem;
  line-height: 1.75;
  color: rgba(242, 230, 201, 0.82);
}
.page-products ul,
.page-products ol {
  margin: 0 0 0.8rem;
  padding-left: 1.15rem;
  line-height: 1.7;
}
.page-products li::marker {
  color: var(--prod-accent);
}

/* ================= Hero ================= */
.page-products .prod-hero {
  position: relative;
  padding: 2rem 0 2.5rem;
  background-image: linear-gradient(rgba(41, 197, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 197, 255, 0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  border-bottom: 1px solid var(--prod-line);
}
.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 40%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--prod-warn) 20%, var(--prod-accent) 80%);
  opacity: 0.6;
  clip-path: polygon(0 0, 100% 0, 100% 60%, 0 100%);
}
.page-products .prod-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: end;
}
.page-products .prod-hero-kicker {
  font-family: var(--prod-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--prod-warn);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
.page-products .prod-hero-text h1 {
  font-family: var(--font-head, 'Space Grotesk', 'Noto Serif SC', serif);
  font-size: clamp(1.7rem, 5.5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 1rem;
  color: var(--paper);
}
.page-products .prod-hero-lead {
  max-width: 34em;
  color: rgba(242, 230, 201, 0.75);
}
.page-products .prod-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.page-products .prod-hero-tags .tag {
  font-family: var(--prod-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.5rem;
  border: 1px solid rgba(41, 197, 255, 0.4);
  color: rgba(242, 230, 201, 0.85);
  background: rgba(22, 27, 38, 0.55);
}
.page-products .prod-hero-tags .tag--gold {
  border-color: rgba(255, 209, 102, 0.6);
  color: var(--prod-yellow);
}
.page-products .prod-hero-panel {
  background: linear-gradient(145deg, rgba(22, 27, 38, 0.9), rgba(10, 14, 20, 0.95));
  border: 1px solid var(--prod-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  padding: 1.2rem 1.2rem 1.2rem 1.4rem;
  max-width: 100%;
}
.page-products .prod-hero-panel-title {
  font-family: var(--prod-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--prod-accent);
  border-bottom: 1px solid var(--prod-grid-line);
  padding-bottom: 0.5rem;
  margin-bottom: 0.7rem;
}
.page-products .prod-hero-panel-list {
  display: grid;
  gap: 0.4rem;
  margin: 0;
}
.page-products .prod-hero-panel-list div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--prod-mono);
  font-size: 0.75rem;
}
.page-products .prod-hero-panel-list dt {
  color: rgba(242, 230, 201, 0.5);
}
.page-products .prod-hero-panel-list dd {
  margin: 0;
  color: var(--paper);
  font-weight: 500;
}

/* ================= Sections base ================= */
.page-products .prod-overview,
.page-products .prod-guide,
.page-products .prod-records,
.page-products .prod-sync,
.page-products .prod-versions {
  padding: 2.8rem 0 2.5rem;
  border-bottom: 1px solid var(--prod-grid-line);
}
.page-products .prod-section-lead {
  max-width: 36em;
  margin-bottom: 1.2rem;
}

/* ================= Tree ================= */
.page-products .prod-tree {
  display: grid;
  gap: 1px;
  background: var(--prod-grid-line);
  border: 1px solid var(--prod-grid-line);
}
.page-products .prod-tree-root {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--prod-bg-soft);
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--prod-accent);
}
.page-products .prod-tree-root strong {
  font-family: var(--font-head);
  font-size: 1.1rem;
  display: block;
}
.page-products .prod-tree-root span {
  display: block;
  font-family: var(--prod-mono);
  font-size: 0.68rem;
  color: rgba(242, 230, 201, 0.55);
}
.page-products .prod-tree-mark {
  color: var(--prod-accent);
  font-size: 1.2rem;
  line-height: 1;
}
.page-products .prod-tree-branches {
  display: grid;
  grid-template-columns: 1fr;
}
.page-products .prod-tree-branch {
  position: relative;
  background: var(--bg-ink);
  padding: 1rem 1.1rem 0.9rem 1.8rem;
  border-left: 1px solid var(--prod-line);
  border-bottom: 1px solid var(--prod-grid-line);
}
.page-products .prod-tree-branch::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 1.2rem;
  width: 0.9rem;
  height: 1px;
  background: var(--prod-line);
}
.page-products .prod-tree-branch-title {
  font-family: var(--prod-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--prod-accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.page-products .prod-tree-leaves {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.28rem;
}
.page-products .prod-tree-leaves li {
  font-size: 0.85rem;
  color: rgba(242, 230, 201, 0.75);
  cursor: default;
}

/* ================= Steps ================= */
.page-products .prod-steps {
  margin-top: 0.4rem;
  border-top: 1px solid var(--prod-grid-line);
}
.page-products .prod-step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.9rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--prod-grid-line);
  position: relative;
}
.page-products .prod-step::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 44px;
  height: 1px;
  background: var(--prod-warn);
  opacity: 0.6;
}
.page-products .prod-step-num {
  font-family: var(--prod-mono);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--prod-accent);
  line-height: 1.2;
  letter-spacing: 0.03em;
}
.page-products .prod-step-body p {
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
}
.page-products .prod-cmd {
  display: block;
  font-family: var(--prod-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--prod-yellow);
  background: var(--bg-ink);
  border: 1px solid rgba(255, 209, 102, 0.28);
  border-left: 3px solid rgba(255, 209, 102, 0.7);
  padding: 0.55rem 0.7rem;
  margin-top: 0.6rem;
  overflow-x: auto;
  white-space: nowrap;
  max-width: 100%;
}

/* ================= Media ================= */
.page-products .prod-media {
  margin: 2rem 0 2.2rem;
  border: 1px solid var(--prod-grid-line);
  background: var(--prod-bg-soft);
}
.page-products .prod-media img {
  width: 100%;
  height: auto;
  aspect-ratio: attr(width) / attr(height);
}
.page-products .prod-media figcaption {
  font-family: var(--prod-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(242, 230, 201, 0.5);
  padding: 0.6rem 0.8rem;
  border-top: 1px solid var(--prod-grid-line);
}

/* ================= Demo filter ================= */
.page-products .prod-demo {
  margin: 2.2rem 0 0;
  border: 1px solid var(--prod-line);
  background: linear-gradient(160deg, rgba(22, 27, 38, 0.6), transparent 40%);
}
.page-products .prod-demo-head {
  padding: 1.1rem 1.1rem 0.4rem;
}
.page-products .prod-demo-head p:last-child {
  font-size: 0.8rem;
  color: rgba(242, 230, 201, 0.55);
}
.page-products .prod-demo-index {
  font-family: var(--prod-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--prod-warn);
  margin-bottom: 0.4rem;
}
.page-products .prod-demo .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.8rem 1.1rem;
  border-top: 1px solid var(--prod-grid-line);
  border-bottom: 1px solid var(--prod-grid-line);
}
.page-products .prod-demo .filter-btn {
  font-family: var(--prod-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(242, 230, 201, 0.75);
  background: transparent;
  border: 1px solid rgba(41, 197, 255, 0.4);
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.page-products .prod-demo .filter-btn:hover,
.page-products .prod-demo .filter-btn:focus-visible {
  color: var(--paper);
  border-color: var(--prod-accent);
  background: rgba(41, 197, 255, 0.12);
  outline: none;
}
.page-products .prod-demo .filter-btn[aria-pressed="true"],
.page-products .prod-demo .filter-btn.is-active,
.page-products .prod-demo .filter-btn:active {
  color: var(--bg-ink);
  background: var(--prod-accent);
  border-color: var(--prod-accent);
  box-shadow: 0 0 12px rgba(41, 197, 255, 0.3);
}
.page-products .prod-demo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--prod-grid-line);
}
.page-products .prod-demo-item {
  background: var(--bg-ink);
  padding: 1.1rem 1.1rem 1rem;
  border-left: 2px solid transparent;
  margin: 0;
}
.page-products .prod-demo-item:hover {
  border-left-color: var(--prod-warn);
}
.page-products .prod-demo-item .index-num {
  font-family: var(--prod-mono);
  font-size: 0.7rem;
  color: var(--prod-accent);
  display: inline-block;
  margin-bottom: 0.3rem;
}
.page-products .prod-demo-item h4 {
  font-size: 0.95rem;
}
.page-products .prod-demo-item p {
  font-size: 0.8rem;
  margin: 0;
  color: rgba(242, 230, 201, 0.65);
}

/* ================= Records ================= */
.page-products .prod-rec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--prod-grid-line);
  border: 1px solid var(--prod-grid-line);
  margin-top: 0.8rem;
}
.page-products .prod-rec-card {
  background: var(--bg-ink);
  padding: 1.2rem 1.2rem 1.1rem;
  position: relative;
}
.page-products .prod-rec-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 18px;
  background: linear-gradient(225deg, transparent 50%, rgba(41, 197, 255, 0.28) 50%);
}
.page-products .prod-rec-code {
  display: inline-block;
  font-family: var(--prod-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--prod-yellow);
  border: 1px solid rgba(255, 209, 102, 0.4);
  padding: 0.2rem 0.45rem;
  margin-bottom: 0.7rem;
  background: rgba(255, 209, 102, 0.05);
}
.page-products .prod-rec-card h3 {
  font-size: 1.05rem;
}
.page-products .prod-rec-card p {
  font-size: 0.85rem;
  margin: 0;
  color: rgba(242, 230, 201, 0.7);
}

/* ================= Sync ================= */
.page-products .prod-sync-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 0.8rem;
}
.page-products .prod-sync-text,
.page-products .prod-sync-actions {
  padding: 1.1rem 1.2rem;
  background: linear-gradient(145deg, rgba(22, 27, 38, 0.7), rgba(10, 14, 20, 0.8));
  border: 1px solid var(--prod-grid-line);
  border-top: 2px solid var(--prod-violet);
}
.page-products .prod-sync-list {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.35rem;
}
.page-products .prod-sync-list li {
  font-family: var(--prod-mono);
  font-size: 0.8rem;
  color: rgba(242, 230, 201, 0.78);
  padding-left: 0.8rem;
  border-left: 1px solid rgba(41, 197, 255, 0.35);
}
.page-products .prod-sync-steps {
  margin: 0.8rem 0 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.5rem;
}
.page-products .prod-sync-steps li {
  font-size: 0.85rem;
  color: rgba(242, 230, 201, 0.75);
}
.page-products .prod-sync-steps li::marker {
  color: var(--prod-accent);
  font-family: var(--prod-mono);
}

/* ================= Versions ================= */
.page-products .prod-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--prod-grid-line);
  border: 1px solid var(--prod-grid-line);
  margin-top: 0.8rem;
}
.page-products .prod-version {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.9rem;
  background: var(--bg-ink);
  padding: 1.1rem 1.1rem 1rem;
  position: relative;
}
.page-products .prod-version::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--prod-accent), transparent 70%);
  opacity: 0.7;
}
.page-products .prod-version-num {
  font-family: var(--prod-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--prod-accent);
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.page-products .prod-version-body p {
  font-size: 0.85rem;
  margin: 0;
  color: rgba(242, 230, 201, 0.7);
}
.page-products .prod-version:last-child .prod-version-num {
  color: var(--prod-yellow);
}
.page-products .prod-version:last-child::before {
  background: linear-gradient(to bottom, var(--prod-yellow), transparent 90%);
}

/* ================= Related ================= */
.page-products .prod-related {
  padding: 2.6rem 0 3rem;
}
.page-products .prod-related-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}
.page-products .prod-related-title {
  font-family: var(--prod-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--prod-warn);
  text-transform: uppercase;
}
.page-products .prod-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.page-products .prod-related .btn {
  display: inline-block;
  font-family: var(--prod-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  padding: 0.5rem 0.9rem;
  color: var(--paper);
  border: 1px solid rgba(41, 197, 255, 0.5);
  background: transparent;
  transition: background 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.page-products .prod-related .btn:hover,
.page-products .prod-related .btn:focus-visible {
  background: rgba(41, 197, 255, 0.12);
  border-color: var(--prod-accent);
  box-shadow: 0 0 14px rgba(41, 197, 255, 0.2);
}

/* ================= Desktop ≥ 768px ================= */
@media (min-width: 768px) {
  .page-products .prod-hero-grid {
    grid-template-columns: 1.4fr 0.75fr;
    gap: 2.5rem;
  }
  .page-products .prod-hero {
    padding: 3.2rem 0 3rem;
  }
  .page-products .prod-hero-text h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-products .prod-tree-branches {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .prod-step {
    grid-template-columns: 4rem 1fr;
    gap: 1.5rem;
    padding: 1.4rem 0;
  }
  .page-products .prod-step-num {
    font-size: 1.8rem;
  }
  .page-products .prod-media {
    margin: 2.4rem 0 2.6rem;
  }
  .page-products .prod-media img {
    width: 100%;
    height: auto;
  }
  .page-products .prod-demo-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .prod-rec-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .prod-sync-layout {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .page-products .prod-timeline {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .prod-related-inner {
    flex-direction: row;
    align-items: center;
  }
  .page-products .prod-related-title {
    margin-bottom: 0;
  }
}

/* ================= Desktop ≥ 1100px ================= */
@media (min-width: 1100px) {
  .page-products .prod-hero-grid {
    grid-template-columns: 1.25fr 0.55fr;
    gap: 4rem;
  }
  .page-products .prod-root-strong {
    font-size: 1.3rem;
  }
  .page-products .prod-tree-branch {
    padding: 1.2rem 1.4rem 1rem 2rem;
  }
  .page-products .prod-step {
    padding: 1.6rem 0;
  }
  .page-products .prod-overview,
  .page-products .prod-guide,
  .page-products .prod-records,
  .page-products .prod-sync,
  .page-products .prod-versions {
    padding: 3.6rem 0 3rem;
  }
  .page-products .prod-rec-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .prod-timeline {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .prod-version {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    min-height: 150px;
  }
  .page-products .prod-version-num {
    font-size: 1.4rem;
  }
}