.page-products {
  --page-grid: rgba(212, 175, 55, 0.12);
  --page-card-pad: 24px;
  position: relative;
  background-color: var(--zh-bg-0);
  background-image:
    linear-gradient(var(--page-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--page-grid) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--zh-text-0);
  padding-bottom: var(--zh-space-xxl);
  overflow-x: hidden;
}

.page-products .zh-breadcrumb {
  padding: 24px 0 8px;
  font-size: var(--zh-fs-micro);
}

.page-products .zh-breadcrumb-sep {
  margin: 0 8px;
  color: var(--zh-text-2);
}

.page-products .hero-chapter {
  padding-top: 16px;
}

.page-products .hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-products .hero-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  background:
    linear-gradient(var(--zh-line-gold-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--zh-line-gold-faint) 1px, transparent 1px);
  background-size: 24px 24px;
  background-color: var(--zh-bg-1);
}

.page-products .hero-seal {
  width: min(240px, 78%);
  height: auto;
}

.page-products .hero-seal line,
.page-products .hero-seal path,
.page-products .hero-seal circle {
  vector-effect: non-scaling-stroke;
}

.page-products .hero-seal .seal-gold {
  stroke: var(--zh-line-gold);
}

.page-products .hero-seal .seal-red {
  stroke: var(--zh-accent-red);
}

.page-products .hero-seal .seal-fill-red {
  fill: var(--zh-accent-red);
}

.page-products .hero-seal-label {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--zh-font-data);
  font-size: var(--zh-fs-micro);
  letter-spacing: 0.08em;
  color: var(--zh-text-2);
  text-transform: uppercase;
}

.page-products .hero-copy .zh-chapter-meta {
  color: var(--zh-accent-red);
}

.page-products .hero-copy h1 {
  font-family: var(--zh-font-heading);
  font-size: var(--zh-fs-h1);
  line-height: var(--zh-lh-heading);
  margin: 12px 0 16px;
}

.page-products .hero-lead {
  color: var(--zh-text-1);
  line-height: var(--zh-lh-body);
  margin: 0;
}

.page-products .hero-lead strong {
  color: var(--zh-text-0);
  font-weight: 600;
}

.page-products .hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 24px 0;
  padding: 16px 0;
  border-top: 1px solid var(--zh-line-gold-dim);
  border-bottom: 1px solid var(--zh-line-gold-dim);
}

.page-products .hero-metrics div {
  display: flex;
  flex-direction: column;
}

.page-products .hero-metrics-num {
  font-family: var(--zh-font-data);
  font-size: 26px;
  line-height: 1.1;
  color: var(--zh-accent-gold);
}

.page-products .hero-metrics span:last-child {
  font-size: var(--zh-fs-micro);
  color: var(--zh-text-2);
  margin-top: 4px;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .hero-figure {
  margin: 48px 0 0;
  border: 1px solid var(--zh-line-gold-dim);
  background: var(--zh-bg-1);
}

.page-products .hero-figure img,
.page-products .feature-panel-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .hero-figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--zh-line-gold-faint);
  color: var(--zh-text-1);
  font-size: var(--zh-fs-micro);
}

.page-products .app-overview,
.page-products .feature-details,
.page-products .download-section {
  padding-top: var(--zh-space-xl);
}

.page-products .section-intro {
  max-width: 720px;
  color: var(--zh-text-1);
  line-height: var(--zh-lh-body);
  margin: 16px 0 0;
}

.page-products .app-card-grid {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

.page-products .app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--page-card-pad);
  background: var(--zh-bg-1);
  border: 1px solid var(--zh-line-gold-dim);
  transition: border-color 0.3s var(--zh-ease), background-color 0.3s var(--zh-ease);
}

.page-products .app-card:hover {
  border-color: var(--zh-line-gold);
  background-color: var(--zh-bg-2);
}

.page-products .app-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 0;
  height: 3px;
  background: var(--zh-accent-red);
  transition: width 0.3s var(--zh-ease);
}

.page-products .app-card:hover::before {
  width: 100%;
}

.page-products .app-icon-wrap {
  width: min(200px, 100%);
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--zh-bg-3);
  border: 1px solid var(--zh-line-gold-faint);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  transition: box-shadow 0.3s var(--zh-ease), transform 0.3s var(--zh-ease);
}

.page-products .app-card:hover .app-icon-wrap {
  box-shadow: 0 0 0 1px var(--zh-line-gold), 0 0 24px rgba(212, 175, 55, 0.18);
  transform: scale(1.02);
}

.page-products .app-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .app-card-index {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 2px 8px;
  border: 1px solid var(--zh-accent-red-soft);
  color: var(--zh-accent-red);
  font-family: var(--zh-font-data);
  font-size: var(--zh-fs-micro);
  letter-spacing: 0.06em;
}

.page-products .app-card-title {
  font-family: var(--zh-font-heading);
  font-size: var(--zh-fs-h3);
  line-height: var(--zh-lh-heading);
  margin: 8px 0;
}

.page-products .app-card-sub {
  color: var(--zh-text-1);
  line-height: var(--zh-lh-body);
  font-size: var(--zh-fs-body);
}

.page-products .zh-acc {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--zh-line-gold-faint);
}

.page-products .zh-acc summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--zh-accent-gold);
}

.page-products .zh-acc-body {
  margin-top: 12px;
}

.page-products .zh-acc-body ul,
.page-products .download-info ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .zh-acc-body li,
.page-products .download-info li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  color: var(--zh-text-1);
  line-height: var(--zh-lh-body);
}

.page-products .zh-acc-body li::before,
.page-products .download-info li::before {
  content: "·";
  position: absolute;
  left: 2px;
  color: var(--zh-accent-red);
  font-weight: 700;
}

.page-products .mini-table {
  margin-top: 12px;
  width: 100%;
  font-family: var(--zh-font-data);
  font-size: var(--zh-fs-data);
}

.page-products .chapter-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 32px;
  padding: 12px 16px;
  border-left: 3px solid var(--zh-accent-red);
  background: var(--zh-bg-1);
}

.page-products .chapter-index-label {
  color: var(--zh-text-2);
  font-size: var(--zh-fs-micro);
  letter-spacing: 0.08em;
  margin-right: 8px;
}

.page-products .chapter-index a {
  color: var(--zh-text-1);
  text-decoration: none;
  font-size: var(--zh-fs-micro);
  border: 1px solid var(--zh-line-gold-faint);
  padding: 4px 10px;
  transition: color 0.2s, border-color 0.2s;
}

.page-products .chapter-index a:hover,
.page-products .chapter-index a.is-active {
  color: var(--zh-accent-gold);
  border-color: var(--zh-line-gold);
}

.page-products .feature-grid {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

.page-products .feature-item {
  padding: 16px 20px 16px 24px;
  background: linear-gradient(90deg, var(--zh-line-gold-faint), transparent 55%);
  border-left: 3px solid var(--zh-accent-red);
}

.page-products .feature-item h3 {
  font-family: var(--zh-font-heading);
  font-size: var(--zh-fs-h3);
  margin: 0 0 8px;
}

.page-products .feature-item p {
  margin: 0;
  color: var(--zh-text-1);
  line-height: var(--zh-lh-body);
}

.page-products .feature-panel {
  display: grid;
  gap: 24px;
  margin-top: 48px;
  padding: 24px;
  border: 1px solid var(--zh-line-gold-dim);
  background: var(--zh-bg-1);
}

.page-products .feature-panel-copy h3 {
  font-family: var(--zh-font-heading);
  font-size: var(--zh-fs-h3);
  margin: 0 0 12px;
}

.page-products .feature-panel-copy p {
  color: var(--zh-text-1);
  line-height: var(--zh-lh-body);
}

.page-products .feature-panel-copy .zh-btn {
  margin-top: 16px;
}

.page-products .feature-panel-media {
  margin: 0;
}

.page-products .feature-panel-media figcaption {
  padding-top: 8px;
  color: var(--zh-text-2);
  font-size: var(--zh-fs-micro);
}

.page-products .download-grid {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

.page-products .download-info h3 {
  font-family: var(--zh-font-heading);
  font-size: var(--zh-fs-h3);
  margin: 0 0 12px;
}

.page-products .download-info p {
  color: var(--zh-text-1);
  line-height: var(--zh-lh-body);
}

.page-products .download-info ul {
  margin-bottom: 20px;
}

.page-products .download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .download-qr {
  align-self: start;
  border: 1px solid var(--zh-line-gold-dim);
  background: var(--zh-bg-2);
}

.page-products .download-qr summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 600;
  color: var(--zh-accent-gold);
  border-bottom: 1px solid var(--zh-line-gold-faint);
}

.page-products .download-qr summary::-webkit-details-marker {
  display: none;
}

.page-products .download-qr-body {
  padding: 16px;
  text-align: center;
}

.page-products .qr-svg {
  width: 160px;
  height: 160px;
  color: var(--zh-accent-gold);
}

.page-products .qr-svg .qr-dot {
  fill: currentColor;
}

.page-products .qr-svg .qr-hole {
  fill: var(--zh-bg-2);
}

.page-products .download-qr-body p {
  color: var(--zh-text-2);
  font-size: var(--zh-fs-micro);
  line-height: var(--zh-lh-body);
}

.page-products .download-qr-body .zh-btn {
  margin-top: 12px;
}

.page-products .zh-next-chapter {
  margin-top: var(--zh-space-xxl);
}

.page-products .zh-next-chapter-title a {
  color: inherit;
  text-decoration: none;
}

.page-products .zh-next-chapter-title a:hover {
  color: var(--zh-accent-gold);
}

@media (min-width: 768px) {
  .page-products .app-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-products .hero-figure {
    margin-top: 64px;
  }

  .page-products .download-grid {
    grid-template-columns: 1fr 320px;
  }
}

@media (min-width: 1024px) {
  .page-products .hero-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 48px;
  }

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

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

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