.page-products {
  --product-gap: 1.5rem;
  --product-border: 3px solid var(--dark-ink);
  --product-shadow: 6px 6px 0 rgba(44, 62, 80, 0.12);
  --product-gold-rule: 2px solid var(--tibet-gold);
  background:
    radial-gradient(circle at 8% 0%, var(--warm-paper) 0, transparent 30rem),
    linear-gradient(180deg, var(--cloud-gray) 0, var(--snow-white) 14rem);
  padding: 1rem 1rem 3rem;
}

.page-products .breadcrumb {
  max-width: var(--page-width);
  margin: 0 auto 1.5rem;
  font-size: 0.875rem;
  color: var(--dark-ink);
}

.page-products .breadcrumb a {
  color: var(--tibet-red);
  text-underline-offset: 4px;
  font-weight: 600;
}

.page-products .hero-compare,
.page-products .replay-section,
.page-products .rank-section,
.page-products .tutorial-section,
.page-products .item-section,
.page-products .trust-section {
  max-width: var(--page-width);
  margin: 0 auto 2rem;
  border: var(--product-border);
  border-radius: var(--radius);
  box-shadow: var(--product-shadow);
  background: var(--snow-white);
  padding: 1.5rem 1.25rem;
  position: relative;
}

.page-products .replay-section,
.page-products .rank-section,
.page-products .tutorial-section,
.page-products .item-section,
.page-products .trust-section {
  padding-top: 4.5rem;
}

.page-products .section-number {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.875rem;
  line-height: 1;
  color: var(--snow-white);
  background: var(--tibet-red);
  border: 2px solid var(--tibet-gold);
  border-radius: 999px;
  width: 2.6rem;
  height: 2.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 2px 0 var(--dark-ink);
}

.page-products .hero-compare {
  border-top: 8px solid var(--tibet-red);
  padding-top: 2rem;
  background:
    linear-gradient(135deg, var(--warm-paper) 0%, var(--snow-white) 42%);
}

.page-products .hero-kicker {
  display: inline-block;
  font-family: var(--serif);
  font-weight: 700;
  color: var(--tibet-gold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.75rem;
  border: 1px solid var(--tibet-gold);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  margin: 0 0 1rem;
  background: var(--snow-white);
}

.page-products h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  line-height: 1.12;
  color: var(--dark-ink);
  margin: 0 0 1rem;
  max-width: 16em;
}

.page-products .hero-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--dark-ink);
  max-width: 42rem;
  margin: 0 0 1.5rem;
}

.page-products .version-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}

.page-products .version-tab {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border: 2px solid var(--dark-ink);
  border-radius: 999px;
  background: var(--snow-white);
  color: var(--dark-ink);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  font-family: var(--sans);
  transition: background var(--tran), color var(--tran), box-shadow var(--tran);
}

.page-products .version-tab:hover,
.page-products .version-tab:focus-visible {
  background: var(--tibet-red);
  color: var(--snow-white);
  outline: none;
  box-shadow: 3px 3px 0 var(--dark-ink);
}

.page-products .version-compare {
  display: grid;
  gap: 1.25rem;
}

.page-products .version-card {
  border: 2px solid var(--dark-ink);
  border-radius: var(--radius);
  background: var(--snow-white);
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.page-products .version-card:target {
  box-shadow: 0 0 0 4px var(--tibet-gold);
}

.page-products .version-compare:has(#modern-version:target) .legacy-card,
.page-products .version-compare:has(#legacy-version:target) .modern-card,
.page-products .version-compare:has(#modern-version:target) .divider-line,
.page-products .version-compare:has(#legacy-version:target) .divider-line {
  display: none;
}

.page-products .version-image-wrap {
  border: 2px solid var(--dark-ink);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--warm-paper);
  max-height: 30rem;
  display: block;
}

.page-products .version-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: top;
}

.page-products .version-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--sky-blue);
  text-transform: uppercase;
  margin: 0 0 0.35rem;
}

.page-products .version-body h2 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 1.35rem;
  margin: 0 0 0.65rem;
  color: var(--dark-ink);
}

.page-products .version-body p {
  font-size: 0.925rem;
  line-height: 1.7;
  color: var(--dark-ink);
  margin: 0 0 1rem;
}

.page-products .feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px dashed var(--cloud-gray);
}

.page-products .feature-list li {
  padding: 0.6rem 0 0.6rem 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--cloud-gray);
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-products .feature-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0.6rem;
  color: var(--tibet-gold);
  font-size: 0.75rem;
}

.page-products .divider-line {
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--tibet-gold) 0 8px, transparent 8px 16px);
  margin: 0.25rem 0;
}

.page-products .replay-section {
  border-top-color: var(--sky-blue);
  display: grid;
  gap: 1.25rem;
}

.page-products .replay-copy p {
  line-height: 1.8;
  margin: 0 0 0.75rem;
}

.page-products .replay-demo {
  border: 2px solid var(--dark-ink);
  border-radius: var(--radius);
  background: var(--warm-paper);
  margin: 1rem 0 0;
}

.page-products .replay-demo summary {
  cursor: pointer;
  padding: 0.8rem 1rem;
  font-weight: 700;
  color: var(--dark-ink);
  list-style-position: inside;
  font-family: var(--serif);
  transition: background var(--tran), color var(--tran);
}

.page-products .replay-demo summary:hover,
.page-products .replay-demo summary:focus-visible {
  background: var(--tibet-red);
  color: var(--snow-white);
  outline: none;
}

.page-products .replay-steps {
  margin: 0;
  padding: 0.5rem 1.5rem 1.2rem;
}

.page-products .replay-steps li {
  margin: 0.35rem 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-products .replay-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--dark-ink);
  border-radius: var(--radius);
}

.page-products .rank-section {
  border-top-color: var(--tibet-gold);
  display: grid;
  gap: 1.25rem;
}

.page-products .rank-copy p {
  line-height: 1.8;
  margin: 0;
}

.page-products .rank-route {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
  counter-reset: rank-step;
}

.page-products .rank-route li {
  counter-increment: rank-step;
  background: var(--warm-paper);
  border: 1px solid var(--dark-ink);
  border-radius: var(--radius);
  padding: 0.8rem 1rem 0.8rem 3.2rem;
  font-size: 0.9rem;
  line-height: 1.6;
  position: relative;
}

.page-products .rank-route li::before {
  content: counter(rank-step);
  position: absolute;
  left: 0.8rem;
  top: 0.8rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--tibet-gold);
  color: var(--dark-ink);
  font-family: var(--serif);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.page-products .rank-img {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--dark-ink);
  border-radius: var(--radius);
  background: var(--cloud-gray);
}

.page-products .tutorial-section {
  border-top-color: var(--tibet-purple);
  display: grid;
  gap: 1.25rem;
}

.page-products .tutorial-copy p {
  line-height: 1.8;
  margin: 0;
}

.page-products .tutorial-rule {
  border: 2px solid var(--tibet-gold);
  background: var(--tibet-red);
  color: var(--snow-white);
  border-radius: var(--radius);
  padding: 1rem;
  display: grid;
  gap: 0.5rem;
  align-content: center;
}

.page-products .rule-badge {
  display: inline-block;
  background: var(--tibet-gold);
  color: var(--dark-ink);
  font-family: var(--serif);
  font-weight: 800;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  width: fit-content;
}

.page-products .tutorial-rule p {
  margin: 0;
  line-height: 1.7;
  font-size: 0.925rem;
}

.page-products .tutorial-img {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--dark-ink);
  border-radius: var(--radius);
  background: var(--cloud-gray);
}

.page-products .item-section {
  border-top-color: var(--sky-blue);
}

.page-products .item-head {
  max-width: 46rem;
}

.page-products .item-lead {
  line-height: 1.8;
  margin: 0;
}

.page-products .item-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-products .item-card {
  border: 2px solid var(--dark-ink);
  border-radius: var(--radius);
  background: var(--snow-white);
  padding: 1rem;
  transition: box-shadow var(--tran), transform var(--tran);
}

.page-products .item-card:hover {
  box-shadow: 5px 5px 0 var(--tibet-gold);
  transform: translateY(-2px);
}

.page-products .item-card h3 {
  font-family: var(--serif);
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
  color: var(--tibet-red);
}

.page-products .item-desc {
  margin: 0 0 0.6rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-products .item-step {
  margin: 0;
  font-size: 0.85rem;
  color: var(--dark-ink);
  background: var(--warm-paper);
  border-left: 4px solid var(--sky-blue);
  padding: 0.5rem 0.7rem;
  line-height: 1.5;
}

.page-products .trust-section {
  background: linear-gradient(135deg, var(--tibet-red) 0%, var(--tibet-purple) 100%);
  border-top-color: var(--dark-ink);
  color: var(--snow-white);
}

.page-products .trust-section h2 {
  color: var(--snow-white);
  font-family: var(--serif);
}

.page-products .trust-section p {
  color: var(--warm-paper);
  line-height: 1.75;
  max-width: 52rem;
}

.page-products .trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.25rem;
}

.page-products .trust-section .btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--tibet-gold);
  color: var(--dark-ink);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--dark-ink);
  border-radius: 999px;
  font-size: 0.875rem;
  transition: transform var(--tran), box-shadow var(--tran);
}

.page-products .trust-section .btn:hover,
.page-products .trust-section .btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 rgba(44, 62, 80, 0.35);
  outline: none;
}

.page-products .trust-section .btn-ghost {
  background: transparent;
  color: var(--snow-white);
  border-color: var(--snow-white);
}

@media (min-width: 820px) {
  .page-products {
    padding: 1.5rem 1.5rem 4rem;
  }

  .page-products .hero-compare {
    padding: 3rem 3rem 2.5rem;
  }

  .page-products h1 {
    font-size: 2.75rem;
  }

  .page-products .hero-lead {
    font-size: 1.075rem;
  }

  .page-products .version-compare {
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
    gap: 0;
  }

  .page-products .version-card {
    padding: 1.25rem;
  }

  .page-products .version-card.legacy-card {
    margin-bottom: 2.5rem;
  }

  .page-products .version-card.modern-card {
    margin-top: 2.5rem;
  }

  .page-products .divider-line {
    width: 2px;
    height: auto;
    margin: 0 1.5rem;
    background: repeating-linear-gradient(180deg, var(--tibet-gold) 0 8px, transparent 8px 16px);
  }

  .page-products .version-image-wrap {
    max-height: 34rem;
  }

  .page-products .replay-section {
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: center;
  }

  .page-products .rank-section {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
  }

  .page-products .rank-copy p {
    margin: 0;
  }

  .page-products .rank-img {
    grid-column: 1 / -1;
  }

  .page-products .tutorial-section {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    align-items: start;
  }

  .page-products .tutorial-img {
    grid-column: 1 / -1;
  }

  .page-products .item-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-products .trust-section {
    padding: 3rem;
  }
}