.page-products {
  --page-gridline: rgba(0, 229, 255, 0.14);
  --page-redline: rgba(248, 113, 113, 0.32);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .alert-ribbon {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.16) 0%, rgba(248, 113, 113, 0.03) 60%, rgba(255, 209, 102, 0.06) 100%);
  border-bottom: 1px solid var(--page-redline);
  position: relative;
}

.page-products .alert-ribbon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--error), transparent 70%);
}

.page-products .alert-ribbon-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-top: 12px;
  padding-bottom: 12px;
  flex-wrap: wrap;
  text-align: center;
}

.page-products .alert-ribbon-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .alert-ribbon-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border: 1px solid var(--page-redline);
  color: var(--error);
  text-decoration: none;
  font-size: 13px;
  transition: background 0.2s, color 0.2s;
}

.page-products .alert-ribbon-link:hover,
.page-products .alert-ribbon-link:focus-visible {
  color: #fff;
  background: var(--error);
}

.page-products .solution-hero {
  padding: var(--space-3) 0 var(--space-5);
  background:
    radial-gradient(circle at 82% 18%, rgba(0, 229, 255, 0.09), transparent 46%),
    linear-gradient(180deg, transparent, rgba(16, 27, 58, 0.4));
  border-bottom: 1px solid var(--border);
}

.page-products .hero-layout {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
  align-items: center;
}

.page-products .hero-kicker {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--accent2);
  border-left: 2px solid var(--accent2);
  padding-left: 12px;
  margin-bottom: 12px;
}

.page-products .hero-content h1 {
  font-family: var(--font-headline);
  font-size: 42px;
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
  position: relative;
  box-shadow: inset 4px 0 0 var(--accent);
  padding-left: 16px;
}

.page-products .hero-summary {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 420px;
  margin-bottom: var(--space-3);
}

.page-products .hero-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.page-products .hero-figure {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: var(--space-2);
}

.page-products .hero-figure img {
  display: block;
  width: 100%;
}

.page-products .section-head {
  position: relative;
  margin-bottom: var(--space-4);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px var(--space-2);
  align-items: baseline;
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-2);
}

.page-products .section-index {
  font-size: 14px;
  color: var(--accent);
  grid-row: span 1;
  align-self: center;
}

.page-products .section-head h2 {
  font-family: var(--font-headline);
  font-size: 26px;
  line-height: 1.16;
  margin: 0;
  letter-spacing: 0.03em;
}

.page-products .section-note {
  grid-column: 2;
  justify-self: start;
}

.page-products .section-intro {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: var(--space-4);
}

.page-products .trouble-section {
  padding: var(--space-5) 0;
  position: relative;
}

.page-products .trouble-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: linear-gradient(90deg, var(--error), var(--border) 60%, transparent);
}

.page-products .trouble-layout {
  display: grid;
  gap: var(--space-3);
}

.page-products .trouble-steps {
  display: grid;
  gap: var(--space-2);
}

.page-products .step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}

.page-products .step-card[open] {
  border-left: 2px solid var(--accent);
  background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
}

.page-products .step-card summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  cursor: pointer;
}

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

.page-products .step-num {
  font-size: 18px;
  color: var(--accent);
}

.page-products .step-title {
  font-size: 16px;
  font-weight: 600;
  flex: 1;
}

.page-products .step-status {
  font-size: 12px;
  padding: 3px 8px;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}

.page-products .step-status.tag-warning {
  border-color: rgba(255, 209, 102, 0.35);
  color: var(--warning);
}

.page-products .step-status.tag-success {
  border-color: rgba(74, 222, 128, 0.35);
  color: var(--success);
}

.page-products .step-status.tag-cyan {
  border-color: rgba(0, 229, 255, 0.35);
  color: var(--accent2);
}

.page-products .step-body {
  padding: 0 var(--space-2) var(--space-2);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-products .step-callout {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--space-2);
  padding: 10px 12px;
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  color: var(--text);
  font-size: 13px;
}

.page-products .trouble-aside {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-products .status-card {
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.12), var(--bg-card));
  border: 1px solid var(--border);
  padding: var(--space-3);
  position: relative;
}

.page-products .status-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--success);
}

.page-products .status-card-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--success);
  margin-top: 8px;
}

.page-products .status-card-value {
  display: block;
  font-family: var(--font-headline);
  font-size: 28px;
  color: var(--text);
  margin-top: 4px;
}

.page-products .status-card-meta {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.page-products .nav-path-card {
  border: 1px solid var(--border);
  padding: var(--space-3);
  background: var(--bg-card);
}

.page-products .nav-path-label {
  color: var(--accent2);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.page-products .nav-path {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

.page-products .nav-path i {
  width: 14px;
  height: 1px;
  background: var(--border-strong);
}

.page-products .nav-path .is-current {
  color: var(--accent);
}

.page-products .perf-section {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg), rgba(16, 27, 58, 0.3));
}

.page-products .perf-layout {
  display: grid;
  gap: var(--space-4);
}

.page-products .perf-visual {
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: var(--space-2);
}

.page-products .perf-chart {
  margin: 0;
}

.page-products .perf-chart img {
  display: block;
  width: 100%;
}

.page-products .perf-chart figcaption {
  margin-top: 8px;
  color: var(--text-muted);
  opacity: 0.6;
}

.page-products .perf-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--border-strong);
}

.page-products .perf-metric {
  text-align: center;
  padding: 10px var(--space-2);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  flex: 1;
  transition: border-color 0.2s, transform 0.2s;
}

.page-products .perf-metric:hover,
.page-products .perf-metric:focus-within {
  border-color: var(--accent2);
  transform: translateY(-2px);
}

.page-products .perf-metric-type {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.page-products .perf-metric-value {
  font-size: 20px;
  color: var(--text);
}

.page-products .perf-metric.current .perf-metric-value {
  color: var(--accent2);
}

.page-products .perf-arrow {
  font-size: 14px;
  color: var(--accent);
  white-space: nowrap;
}

.page-products .perf-content h3,
.page-products .merge-copy h3,
.page-products .mechanism-copy h3 {
  font-family: var(--font-headline);
  font-size: 22px;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page-products .perf-content h3::before,
.page-products .merge-copy h3::before,
.page-products .mechanism-copy h3::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--accent);
}

.page-products .perf-list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .perf-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  padding-left: 12px;
}

.page-products .perf-list .mono {
  color: var(--accent2);
  font-weight: 500;
}

.page-products .perf-result {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
}

.page-products .perf-result-value {
  font-size: 28px;
  color: var(--accent);
}

.page-products .perf-result-label {
  font-size: 14px;
  color: var(--text);
}

.page-products .merge-section {
  padding: var(--space-5) 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.05), transparent 70%);
  border-top: 1px solid var(--border);
}

.page-products .merge-layout {
  display: grid;
  gap: var(--space-4);
}

.page-products .merge-copy p {
  color: var(--text-muted);
  line-height: 1.85;
  font-size: 15px;
  margin: 0 0 var(--space-3);
}

.page-products .path-flow {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.page-products .path-node {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: var(--space-2);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  align-items: baseline;
}

.page-products .path-node-index {
  grid-row: span 2;
  font-size: 18px;
  color: var(--accent);
}

.page-products .path-node strong {
  font-size: 16px;
  color: var(--text);
}

.page-products .path-node-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.page-products .path-arrow {
  justify-self: center;
  color: var(--accent2);
  font-size: 18px;
  line-height: 1;
  padding-left: 22px;
  position: relative;
  transform: rotate(90deg);
}

.page-products .path-arrow::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  width: 18px;
  height: 1px;
  background: var(--accent2);
}

.page-products .merge-visual {
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: var(--space-2);
}

.page-products .merge-figure {
  margin: 0;
}

.page-products .merge-figure img {
  display: block;
  width: 100%;
}

.page-products .panel-merge-svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: var(--space-2);
  border-top: 1px dashed var(--border-strong);
  padding-top: var(--space-2);
}

.page-products .svg-group-label {
  fill: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-products .svg-old-box {
  fill: var(--bg-elevated);
  stroke: var(--border-strong);
  stroke-width: 1;
}

.page-products .svg-new-box {
  fill: rgba(255, 107, 53, 0.08);
  stroke: var(--accent);
  stroke-width: 1.5;
}

.page-products .svg-box-title {
  fill: var(--text);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
}

.page-products .svg-box-sub {
  fill: var(--text-muted);
  font-size: 12px;
  font-family: var(--font-body);
}

.page-products .svg-flow path {
  fill: none;
  stroke: var(--accent2);
  stroke-width: 1.5;
  stroke-dasharray: 4 2;
}

.page-products .svg-flow text {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--accent2);
}

.page-products .adapt-section {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
}

.page-products .adapt-intro {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-products .adapt-copy p {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 15px;
  margin: 0 0 var(--space-3);
}

.page-products .adapt-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.page-products .adapt-stat {
  border: 1px solid var(--border);
  padding: var(--space-2);
  text-align: center;
  background: var(--bg-card);
}

.page-products .adapt-stat-num {
  display: block;
  font-size: 28px;
  color: var(--accent);
}

.page-products .adapt-stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.page-products .adapt-map {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: var(--space-2);
}

.page-products .adapt-map img {
  display: block;
  width: 100%;
}

.page-products .model-track-wrap {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 0 calc(-1 * var(--space-2)) var(--space-2);
}

.page-products .model-track {
  display: flex;
  gap: 14px;
  padding: var(--space-3) var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.page-products .model-card {
  flex: 0 0 170px;
  scroll-snap-align: start;
  margin: 0;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-card), var(--bg-elevated));
  padding: var(--space-2);
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.page-products .model-card:hover,
.page-products .model-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--accent2);
}

.page-products .phone-fig {
  position: relative;
  width: 120px;
  height: 180px;
  margin: 0 auto 12px;
  border: 2px solid var(--border-strong);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(0, 229, 255, 0.02)),
    var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-products .phone-fig::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  background: var(--border-strong);
  border-radius: 2px;
}

.page-products .phone-live {
  position: absolute;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 2px 4px;
}

.page-products .phone-score {
  font-family: var(--font-headline);
  font-size: 26px;
  color: var(--text);
  letter-spacing: 0.06em;
}

.page-products .phone-teamA,
.page-products .phone-teamB,
.page-products .phone-vs {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.page-products .phone-vs {
  color: var(--accent2);
  font-size: 11px;
}

.page-products .model-size {
  display: block;
  font-size: 18px;
  color: var(--accent2);
  margin-bottom: 2px;
}

.page-products .model-type {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.page-products .track-hint {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: var(--space-2);
  letter-spacing: 0.08em;
}

.page-products .mechanism-section {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(135deg, var(--bg), rgba(255, 107, 53, 0.04));
}

.page-products .mechanism-layout {
  display: grid;
  gap: var(--space-4);
}

.page-products .mechanism-copy p {
  color: var(--text-muted);
  line-height: 1.85;
  font-size: 15px;
  margin: 0 0 var(--space-3);
}

.page-products .highlight-num {
  color: var(--accent);
  font-weight: 500;
}

.page-products .trigger-list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .trigger-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 8px 12px;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 12px;
}

.page-products .trigger-name {
  display: block;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 2px;
}

.page-products .trigger-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.7;
}

.page-products .mechanism-bottom {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.page-products .mechanism-fig {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: var(--space-2);
  position: relative;
}

.page-products .mechanism-fig img {
  display: block;
  width: 100%;
}

.page-products .mechanism-fig figcaption {
  margin-top: 8px;
  color: var(--text-muted);
  opacity: 0.5;
}

@media (min-width: 720px) {
  .page-products .hero-content h1 {
    font-size: 54px;
  }

  .page-products .hero-layout {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .trouble-layout {
    grid-template-columns: 1.5fr 0.8fr;
    align-items: start;
  }

  .page-products .perf-layout {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }

  .page-products .merge-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-products .path-flow {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
  }

  .page-products .path-arrow {
    transform: rotate(0deg);
    padding-left: 0;
  }

  .page-products .adapt-intro {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .page-products .mechanism-layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-products .section-head h2 {
    font-size: 32px;
  }
}

@media (min-width: 1080px) {
  .page-products .solution-hero {
    padding-top: var(--space-5);
  }

  .page-products .hero-content h1 {
    font-size: 64px;
  }

  .page-products .hero-summary {
    max-width: 460px;
  }

  .page-products .adapt-stat-num {
    font-size: 34px;
  }

  .page-products .model-card {
    flex-basis: 190px;
  }

  .page-products .mechanism-bottom {
    flex-wrap: nowrap;
  }
}