.page-products {
  background: var(--night);
  color: var(--ink);
}

/* ---------- Hero ---------- */
.page-products .prod-hero {
  position: relative;
  padding: var(--space-3) 0 var(--space-4);
  background: linear-gradient(140deg, var(--deep) 0%, var(--night) 72%);
  overflow: hidden;
}
.page-products .prod-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -16%;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(242, 193, 78, .16);
  transform: rotate(18deg);
  pointer-events: none;
}
.page-products .prod-hero .container {
  position: relative;
  z-index: 1;
}
.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .85rem;
  color: var(--muted);
}
.page-products .breadcrumbs a {
  color: var(--blue);
  text-decoration: none;
}
.page-products .breadcrumbs a:hover {
  color: var(--gold);
}
.page-products .breadcrumbs-sep {
  color: var(--line);
}
.page-products .prod-hero-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.page-products .prod-hero-main {
  max-width: 780px;
}
.page-products .chapter-index {
  font-family: var(--mono);
  font-size: .85rem;
  letter-spacing: .14em;
  color: var(--gold);
  text-transform: uppercase;
  margin: 0;
}
.page-products .prod-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  font-weight: 800;
  color: var(--snow);
  margin: var(--space-2) 0 var(--space-1);
  text-shadow: 0 4px 18px rgba(0, 0, 0, .45);
  letter-spacing: .02em;
}
.page-products .prod-hero-lead {
  font-family: var(--sans);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--gold);
  margin: 0 0 var(--space-2);
}
.page-products .prod-hero-desc {
  font-size: .95rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 64ch;
  margin: 0 0 var(--space-3);
}
.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.page-products .prod-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 0;
}
.page-products .prod-hero-stat {
  background: rgba(26, 42, 108, .42);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-2);
  text-align: center;
  margin: 0;
}
.page-products .prod-hero-stat .stat-value {
  display: block;
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--snow);
}
.page-products .prod-hero-stat .stat-label {
  display: block;
  font-size: .72rem;
  color: var(--muted);
  margin-top: 4px;
  letter-spacing: .04em;
}
.page-products .hero-path {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(139, 148, 186, .22);
}
.page-products .hero-path a {
  font-size: .8rem;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 20px;
  transition: border-color .3s, color .3s, background .3s;
}
.page-products .hero-path a:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(242, 193, 78, .08);
}

/* ---------- Section common ---------- */
.page-products .section-block {
  padding: var(--space-5) 0;
}
.page-products .section-head {
  margin-bottom: var(--space-4);
  max-width: 720px;
}
.page-products .section-head h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--snow);
  margin: 4px 0 var(--space-1);
}
.page-products .section-note {
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.7;
  margin: 0;
}

/* ---------- Core Matrix ---------- */
.page-products .fun-matrix {
  background: linear-gradient(180deg, var(--night) 0%, #0e1530 44%, var(--night) 100%);
}
.page-products .matrix-visual {
  margin: 0 0 var(--space-4);
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-card);
}
.page-products .matrix-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .matrix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.page-products .matrix-item {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  background: rgba(26, 42, 108, .32);
  border-left: 2px solid var(--violet);
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.page-products .matrix-item:hover {
  background: rgba(26, 42, 108, .52);
  border-left-color: var(--gold);
}
.page-products .matrix-item--primary {
  border-left-color: var(--gold);
  background: linear-gradient(135deg, rgba(26, 42, 108, .5), rgba(75, 59, 143, .28));
}
.page-products .matrix-icon {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(242, 193, 78, .1);
  color: var(--gold);
}
.page-products .matrix-icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.page-products .matrix-item h3 {
  font-family: var(--serif);
  font-size: 1.12rem;
  color: var(--snow);
  margin: 0 0 6px;
}
.page-products .matrix-item p {
  font-size: .88rem;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

/* ---------- Func Detail ---------- */
.page-products .func-detail {
  position: relative;
  background: #0c1330;
  scroll-margin-top: calc(var(--header-h) + 18px);
}
.page-products .func-detail::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 12% 18%, rgba(59, 142, 208, .1), transparent 42%);
  pointer-events: none;
}
.page-products .func-detail .container {
  position: relative;
  z-index: 1;
}
.page-products .func-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
.page-products .func-sidebar {
  padding: var(--space-3);
  border: 1px solid var(--line);
  background: rgba(11, 16, 38, .72);
  border-radius: var(--radius);
}
.page-products .func-sidebar h2 {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--snow);
  margin: 4px 0 var(--space-1);
}
.page-products .func-side-note {
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 var(--space-2);
}
.page-products .func-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-products .func-nav-link {
  display: block;
  padding: 10px 12px;
  color: var(--ink);
  text-decoration: none;
  font-size: .92rem;
  border-left: 2px solid transparent;
  transition: border-color .3s, background .3s, color .3s;
}
.page-products .func-nav-link:hover {
  color: var(--gold);
  border-left-color: var(--blue);
  background: rgba(59, 142, 208, .08);
}
.page-products .func-side-card {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--line);
}
.page-products .func-side-card p {
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.55;
  margin: var(--space-1) 0 0;
}

/* ---------- Detail blocks ---------- */
.page-products .func-content {
  display: grid;
  gap: var(--space-5);
  min-width: 0;
}
.page-products .detail-block {
  scroll-margin-top: calc(var(--header-h) + 18px);
}
.page-products .detail-block-heading {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-1);
  margin-bottom: var(--space-2);
}
.page-products .detail-no {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--gold);
  letter-spacing: .1em;
}
.page-products .detail-block-heading h3 {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  color: var(--snow);
  margin: 0;
}
.page-products .detail-lead {
  font-size: .94rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 68ch;
  margin-bottom: var(--space-2);
}

/* ---------- Tabs & live table ---------- */
.page-products .live-grid {
  display: grid;
  gap: var(--space-3);
}
.page-products .live-tabs-block {
  min-width: 0;
}
.page-products .tabs-list {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-1);
}
.page-products .tab-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: var(--radius);
  padding: 8px 18px;
  font-family: var(--sans);
  font-size: .88rem;
  cursor: pointer;
  transition: background .3s, color .3s, border-color .3s;
}
.page-products .tab-btn:hover,
.page-products .tab-btn[aria-selected="true"] {
  background: rgba(242, 193, 78, .12);
  color: var(--gold);
  border-color: var(--gold);
}
.page-products .tab-panel {
  padding-top: var(--space-2);
}
.page-products .tab-panel[hidden] {
  display: none;
}
.page-products .panel-label {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--snow);
  margin: 0 0 var(--space-1);
}
.page-products .data-table caption {
  text-align: left;
  color: var(--muted);
  font-size: .78rem;
  padding-bottom: 8px;
}
.page-products .live-table {
  min-width: 640px;
  font-family: var(--mono);
  font-size: .82rem;
}
.page-products .live-table thead th {
  background: var(--deep);
  color: var(--mist);
  font-weight: 600;
  padding: 10px 8px;
  white-space: nowrap;
  border-bottom: 2px solid var(--gold);
}
.page-products .live-table tbody td {
  padding: 10px 8px;
  border-bottom: 1px solid rgba(139, 148, 186, .14);
  color: var(--ink);
  white-space: nowrap;
}
.page-products .live-table tbody tr {
  transition: background .25s;
}
.page-products .live-table tbody tr:hover {
  background: rgba(242, 193, 78, .07);
}
.page-products .live-table .num {
  text-align: right;
}
.page-products .live-table .score-high {
  color: var(--red);
  font-weight: 700;
}
.page-products .live-table .score-good {
  color: var(--green);
}

/* ---------- Live figure ---------- */
.page-products .live-figure {
  margin: var(--space-1) 0 0;
}
.page-products .live-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}
.page-products .live-figure figcaption {
  font-size: .78rem;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.5;
}
.page-products .live-note {
  font-size: .8rem;
  color: var(--muted);
  border-left: 2px solid var(--blue);
  padding-left: var(--space-2);
  margin-top: var(--space-2);
}

/* ---------- Stat grid ---------- */
.page-products .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin: var(--space-2) 0 0;
}
.page-products .stat-cell {
  background: rgba(26, 42, 108, .28);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-2);
}
.page-products .stat-cell .stat-value {
  display: block;
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--snow);
}
.page-products .stat-cell .stat-label {
  display: block;
  font-size: .78rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ---------- Sub list ---------- */
.page-products .sub-list {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0;
  display: grid;
  gap: 10px;
}
.page-products .sub-list li {
  position: relative;
  padding-left: 20px;
  color: var(--ink);
  font-size: .92rem;
  line-height: 1.6;
}
.page-products .sub-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--green);
  transform: rotate(45deg);
}
.page-products .sub-link {
  font-size: .88rem;
  color: var(--muted);
}
.page-products .sub-link a {
  color: var(--blue);
  text-decoration: none;
}
.page-products .sub-link a:hover {
  color: var(--gold);
}

/* ---------- Export ---------- */
.page-products .export-layout {
  margin-top: var(--space-2);
  display: grid;
  gap: var(--space-3);
}
.page-products .export-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: export-step;
  display: grid;
  gap: var(--space-2);
}
.page-products .export-steps li {
  counter-increment: export-step;
  position: relative;
  padding: var(--space-2) var(--space-2) var(--space-2) 48px;
  background: rgba(26, 42, 108, .24);
  border-radius: var(--radius);
  font-size: .9rem;
  color: var(--ink);
  line-height: 1.55;
}
.page-products .export-steps li::before {
  content: counter(export-step, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 12px;
  font-family: var(--mono);
  color: var(--gold);
  font-size: 1rem;
  font-weight: 700;
}
.page-products .export-figure {
  margin: 0;
}
.page-products .export-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.page-products .export-figure figcaption {
  font-size: .78rem;
  color: var(--muted);
  margin-top: 6px;
}
.page-products .export-demo {
  margin-top: 4px;
}
.page-products .export-hint {
  font-size: .78rem;
  color: var(--muted);
  margin-top: var(--space-2);
  line-height: 1.5;
}

/* ---------- Tech ---------- */
.page-products .tech-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.page-products .tech-cards {
  display: grid;
  gap: var(--space-2);
}
.page-products .tech-card {
  padding: var(--space-3);
  background: linear-gradient(145deg, rgba(59, 142, 208, .08), rgba(26, 42, 108, .24));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
}
.page-products .tech-card::after {
  content: "";
  position: absolute;
  right: -4px;
  top: -4px;
  width: 34px;
  height: 34px;
  border-right: 2px solid var(--gold);
  border-top: 2px solid var(--gold);
  border-radius: 0 var(--radius) 0 0;
}
.page-products .tech-card-num {
  display: block;
  font-family: var(--mono);
  font-size: 1.4rem;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 6px;
}
.page-products .tech-card h4 {
  font-family: var(--serif);
  font-size: 1.02rem;
  color: var(--snow);
  margin: 0;
}
.page-products .tech-card p {
  font-size: .82rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 6px 0 0;
}
.page-products .tech-visual {
  display: grid;
  gap: var(--space-3);
}
.page-products .tech-phone-figure,
.page-products .tech-flow-figure {
  margin: 0;
}
.page-products .tech-phone-figure img,
.page-products .tech-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.page-products .tech-phone-figure img {
  max-width: 300px;
  margin: 0 auto;
}
.page-products .tech-flow-figure img {
  max-width: 500px;
  margin: 0 auto;
}
.page-products .tech-phone-figure figcaption,
.page-products .tech-flow-figure figcaption {
  font-size: .78rem;
  color: var(--muted);
  margin-top: 6px;
  text-align: center;
  line-height: 1.5;
}

/* ---------- CTA ---------- */
.page-products .func-next {
  padding: var(--space-5) 0;
  background: linear-gradient(140deg, #141d43, var(--night));
  border-top: 1px solid var(--line);
}
.page-products .func-next .next-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: flex-start;
}
.page-products .func-next h2 {
  font-family: var(--serif);
  color: var(--snow);
  font-size: 1.5rem;
  margin: 0 0 var(--space-1);
}
.page-products .func-next p {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.6;
  margin: 0;
  max-width: 52ch;
}
.page-products .next-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (min-width: 600px) {
  .page-products .prod-hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .matrix-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 760px) {
  .page-products .export-layout {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .export-steps {
    grid-column: 1;
    grid-row: 1;
  }
  .page-products .export-figure {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
  .page-products .export-demo {
    grid-column: 1;
    grid-row: 2;
  }
  .page-products .tech-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .func-next .next-inner {
    flex-direction: row;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .live-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .matrix-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .matrix-item--primary {
    grid-column: span 2;
  }
  .page-products .matrix-item--primary .matrix-icon {
    width: 56px;
    height: 56px;
  }
  .page-products .func-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
    gap: var(--space-4);
  }
  .page-products .func-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1080px) {
  .page-products .prod-hero-grid {
    grid-template-columns: 1.1fr .9fr;
    align-items: end;
  }
}