.page-products {
  --products-gap: 24px;
  --products-radius: calc(var(--radius-md) * 1.1);
}

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

.page-products .breadcrumb {
  margin: 24px 0 8px;
}

.page-products .products-hero {
  padding: 24px 0 40px;
}

.page-products .products-hero .chapter-index {
  font-family: var(--font-mono);
  color: var(--color-accent-a);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-products .products-hero .page-title {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  margin: 8px 0 16px;
  color: var(--color-text);
}

.page-products .products-hero .page-description {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 720px;
}

.page-products .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

.page-products .hero-meta-item {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.page-products .hero-meta-sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent-b);
}

.page-products .section-stable,
.page-products .section-guide,
.page-products .section-faq {
  padding: 40px 0;
}

.page-products .section-quality,
.page-products .section-versions {
  background: var(--color-surface);
  padding: 48px 0;
  border-block: 1px solid var(--color-border);
}

.page-products .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}

.page-products .section-head .chapter-index {
  font-family: var(--font-mono);
  color: var(--color-accent-b);
  font-size: 0.9rem;
}

.page-products .section-head h2 {
  font-size: 1.6rem;
  font-weight: 900;
  margin: 0;
  color: var(--color-text);
}

.page-products .app-showcase {
  display: grid;
  gap: var(--products-gap);
}

.page-products .app-showcase-side {
  text-align: center;
}

.page-products .app-icon {
  width: 156px;
  height: 156px;
  border-radius: 28px;
  object-fit: cover;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.page-products .app-caption {
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.page-products .platform-grid {
  display: grid;
  gap: 16px;
}

.page-products .platform-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--products-radius);
  padding: 20px;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.page-products .platform-card:hover {
  border-color: var(--color-accent-a);
  transform: translateY(-2px);
}

.page-products .platform-card h3 {
  font-size: 1.1rem;
  font-weight: 900;
  margin: 0 0 4px;
  color: var(--color-text);
}

.page-products .platform-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent-b);
  margin: 0 0 12px;
}

.page-products .platform-card > p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0 0 14px;
}

.page-products .platform-list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: grid;
  gap: 6px;
}

.page-products .platform-list li {
  padding-left: 16px;
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.page-products .platform-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-nature-clay);
}

.page-products .btn-link {
  display: inline-block;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-neon-gradient);
  color: var(--color-text);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.page-products .btn-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(229, 54, 138, 0.28);
}

.page-products .section-intro {
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: 24px;
  line-height: 1.8;
}

.page-products .quality-figure {
  margin: 0 0 24px;
}

.page-products .quality-figure img {
  width: 100%;
  border-radius: var(--radius-md);
}

.page-products .quality-masonry {
  columns: 1;
  column-gap: 20px;
}

.page-products .quality-card {
  break-inside: avoid;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.page-products .quality-card:hover,
.page-products .quality-card:focus-within {
  border-color: var(--color-accent-b);
  transform: translateY(-3px);
}

.page-products .quality-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
}

.page-products .quality-tag {
  background: var(--color-nature-teal);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-products .quality-res {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-accent-b);
}

.page-products .quality-spec-list {
  margin: 0 0 16px;
  display: grid;
  gap: 8px;
}

.page-products .quality-spec-list div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 6px;
}

.page-products .quality-spec-list dt {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.page-products .quality-spec-list dd {
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: right;
  margin: 0;
}

.page-products .quality-meter {
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.page-products .quality-meter span {
  display: block;
  height: 100%;
  background: var(--color-neon-gradient);
}

.page-products .guide-layout {
  display: grid;
  gap: var(--products-gap);
  align-items: start;
}

.page-products .guide-steps {
  display: grid;
  gap: 20px;
}

.page-products .step-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-accent-a);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  border: 1px solid var(--color-border);
}

.page-products .step-body h3 {
  font-size: 1rem;
  font-weight: 900;
  margin: 0 0 4px;
  color: var(--color-text);
}

.page-products .step-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

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

.page-products .guide-figure img {
  width: 100%;
  border-radius: var(--radius-md);
}

.page-products .guide-figure figcaption {
  margin-top: 8px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  text-align: center;
}

.page-products .version-layout {
  display: grid;
  gap: var(--products-gap);
  align-items: start;
}

.page-products .version-list {
  display: grid;
  gap: 16px;
}

.page-products .version-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid var(--color-border);
}

.page-products .version-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent-b);
  background: var(--color-nature-teal);
  border-radius: var(--radius-pill);
  height: max-content;
  padding: 6px 10px;
  text-align: center;
  white-space: nowrap;
}

.page-products .version-content h3 {
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 900;
  margin: 0 0 6px;
}

.page-products .version-content p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0 0 8px;
}

.page-products .version-content details {
  margin-top: 4px;
}

.page-products .version-content summary {
  color: var(--color-accent-b);
  font-size: 0.85rem;
  cursor: pointer;
}

.page-products .version-content summary:hover {
  color: var(--color-accent-a);
}

.page-products .version-content ul {
  margin: 8px 0 0;
  padding-left: 16px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  display: grid;
  gap: 4px;
}

.page-products .version-aside img {
  width: 100%;
  border-radius: var(--radius-md);
}

.page-products .version-aside p {
  margin: 12px 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-products .faq-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
}

.page-products .faq-card {
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  text-decoration: none;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.page-products .faq-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent-a);
}

.page-products .faq-card h3 {
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 900;
  margin: 0 0 6px;
}

.page-products .faq-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

.page-products .devices-banner {
  margin: 32px 0 0;
}

.page-products .devices-banner img {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

@media (min-width: 768px) {
  .page-products .products-hero .page-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
  }

  .page-products .app-showcase {
    grid-template-columns: 240px 1fr;
  }

  .page-products .app-showcase-side {
    position: sticky;
    top: 24px;
  }

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

  .page-products .quality-masonry {
    columns: 2;
    column-gap: 24px;
  }

  .page-products .guide-layout {
    grid-template-columns: 1.4fr 1fr;
  }

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

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

@media (min-width: 1200px) {
  .page-products .section-stable,
  .page-products .section-guide,
  .page-products .section-faq {
    padding: 64px 0;
  }

  .page-products .section-quality,
  .page-products .section-versions {
    padding: 72px 0;
  }
}