.page-products {
  --page-gutter: 1.25rem;
  --page-border: var(--border-heavy);
  overflow-x: clip;
}

.page-products .breadcrumb {
  margin-top: 1.25rem;
  font-family: var(--font-data);
  font-size: 0.9rem;
}

.page-products .breadcrumb a {
  color: var(--color-aqua);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-products .breadcrumb span[aria-current="page"] {
  display: inline-block;
  color: var(--color-cream);
  background: var(--color-orange);
  padding: 0.15rem 0.5rem;
  font-weight: 700;
}

.page-products__hero {
  position: relative;
  padding: 2.25rem 0 2.75rem;
  border-bottom: var(--page-border) solid var(--color-charcoal);
}

.page-products__hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 42%;
  height: 6px;
  background: var(--color-neon);
}

.page-products__ribbon {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-products__title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--color-cream);
  margin: 0 0 0.6em;
  text-transform: uppercase;
  position: relative;
}

.page-products__lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-mist);
  max-width: 48rem;
  margin: 0 0 1.75rem;
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.page-products__feature-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.page-products__feature-card {
  position: relative;
  overflow: hidden;
  padding: 1.4rem;
}

.page-products__feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-cream);
  margin: 0.35rem 0 0.6rem;
}

.page-products__feature-card > p {
  color: var(--color-mist);
  line-height: 1.6;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.page-products__feature-no {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--color-neon);
  letter-spacing: 0.1em;
  margin: 0;
}

.page-products__feature-detail {
  border-top: 2px dashed var(--color-mist);
  padding-top: 0.65rem;
  margin-top: 0.65rem;
}

.page-products__feature-detail summary {
  cursor: pointer;
  font-family: var(--font-data);
  color: var(--color-aqua);
  font-size: 0.82rem;
  padding: 0.25rem 0;
  list-style: none;
}

.page-products__feature-detail summary::-webkit-details-marker {
  display: none;
}

.page-products__feature-detail summary::before {
  content: "▶ ";
  color: var(--color-orange);
}

.page-products__feature-detail[open] summary::before {
  content: "▼ ";
}

.page-products__feature-detail ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  color: var(--color-cream);
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-products__feature-img {
  margin-top: 1rem;
}

.page-products__feature-img figcaption,
.page-products__phone-img figcaption,
.page-products__timeline-img figcaption,
.page-products__sync-img figcaption,
.page-products__compat-img figcaption {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-mist);
  padding-top: 0.5rem;
  border-bottom: 2px solid var(--color-charcoal);
}

.page-products__compare-intro {
  color: var(--color-cream);
  max-width: 42rem;
  line-height: 1.7;
  margin-bottom: 1.6rem;
}

.page-products__compare {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.page-products__compare-col {
  background: var(--color-ink-soft);
  border: var(--page-border) solid var(--color-charcoal);
  box-shadow: var(--shadow-hard);
  padding: 1.4rem;
}

.page-products__compare-col h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 0.4rem;
  color: var(--color-neon);
}

.page-products__compare-col--alt h3 {
  color: var(--color-orange);
}

.page-products__compare-col p {
  color: var(--color-mist);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.page-products__compare-col ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-cream);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-products__table-scroll {
  overflow-x: auto;
  margin-bottom: 2rem;
  background: var(--color-charcoal);
  border: var(--page-border) solid var(--color-charcoal);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
}

.page-products__compare-table {
  min-width: 34rem;
  border-collapse: collapse;
  width: 100%;
}

.page-products__compare-table th,
.page-products__compare-table td {
  padding: 0.8rem 0.9rem;
  text-align: left;
  border-bottom: 2px dashed rgba(136, 146, 176, 0.35);
}

.page-products__compare-table thead th {
  font-family: var(--font-data);
  color: var(--color-neon);
  border-bottom: var(--page-border) solid var(--color-neon);
}

.page-products__compare-table tbody th {
  font-family: var(--font-display);
  color: var(--color-cream);
}

.page-products__compare-table td {
  font-family: var(--font-data);
  color: var(--color-mist);
}

.page-products__phone-img {
  max-width: 240px;
  margin: 1rem auto;
}

.page-products__timeline {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  position: relative;
  display: grid;
  gap: 1.2rem;
}

.page-products__timeline-item {
  position: relative;
  padding-left: 1.5rem;
  border-left: 4px solid var(--color-charcoal);
}

.page-products__timeline-item::before {
  content: "";
  position: absolute;
  left: -11px;
  top: 0.4rem;
  width: 14px;
  height: 14px;
  background: var(--color-neon);
  transform: rotate(45deg);
}

.page-products__timeline-item .tag {
  display: inline-block;
  margin-bottom: 0.4rem;
}

.page-products__version-num {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 1.15rem;
  color: var(--color-cream);
  background: var(--color-charcoal);
  padding: 0.2rem 0.6rem;
  transform: skewX(-12deg);
  margin-bottom: 0.5rem;
}

.page-products__timeline-item p {
  color: var(--color-mist);
  line-height: 1.65;
  font-size: 0.95rem;
  margin: 0;
  max-width: 38rem;
}

.page-products__timeline-img {
  margin-top: 1rem;
}

.page-products__download-lead {
  color: var(--color-mist);
  max-width: 42rem;
  line-height: 1.7;
  margin-bottom: 1.6rem;
}

.page-products__download-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.page-products__download-card {
  background: var(--color-ink-soft);
  border: var(--page-border) solid var(--color-charcoal);
  box-shadow: var(--shadow-hard);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.page-products__download-card .tag {
  align-self: flex-start;
}

.page-products__download-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-cream);
  margin: 0;
}

.page-products__download-card p {
  color: var(--color-mist);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.page-products__download-meta {
  font-family: var(--font-data);
  color: var(--color-neon);
  font-size: 0.9rem;
}

.page-products__download-card .btn {
  cursor: pointer;
  border: 0;
  padding: 0.7rem 1.15rem;
  font: inherit;
}

.page-products__download-card .btn:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--color-charcoal);
}

.page-products__compat-img {
  max-width: 420px;
}

.page-products__sync {
  display: grid;
  gap: 1.75rem;
}

.page-products__sync-copy p {
  color: var(--color-cream);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.page-products__sync-copy ul {
  margin: 0 0 1.25rem;
  padding-left: 1.1rem;
  color: var(--color-mist);
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-products__sync-copy li strong {
  color: var(--color-neon);
  font-family: var(--font-data);
}

.page-products__faq-note {
  margin-top: 1.25rem;
}

.page-products__sync-img {
  align-self: start;
}

.page-products__sticky {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--color-charcoal);
  border: var(--page-border) solid var(--color-cream);
  box-shadow: var(--shadow-hard);
  padding: 0.6rem 0.9rem;
  max-width: calc(100vw - 2rem);
}

/* 移动端优先补充：保持窄屏阅读舒适 */
.page-products__hero {
  padding-left: 0.25rem;
  padding-right: 0.25rem;
}

.page-products .container {
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 620px) {
  .page-products {
    --page-gutter: 1.5rem;
  }

  .page-products__hero {
    padding: 3rem 0 3.5rem;
  }

  .page-products__feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__feature-card:last-child {
    grid-column: span 2;
  }

  .page-products__compare {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-products__compare-col + .page-products__compare-col {
    border-left: 0;
  }

  .page-products__compare-col:nth-child(2) {
    border-left: 4px solid var(--color-charcoal);
  }

  .page-products__download-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__sync {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products__download-card .btn {
    align-self: flex-start;
  }

  .page-products__sticky {
    right: 1.5rem;
    bottom: 1.5rem;
  }
}

@media (min-width: 980px) {
  .page-products__hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: 1.5rem;
    align-items: end;
  }

  .page-products__ribbon {
    grid-column: 1 / -1;
  }

  .page-products__title {
    margin-bottom: 0;
  }

  .page-products__lead {
    grid-column: 2;
    margin-left: 2rem;
  }

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

  .page-products__feature-card:last-child {
    grid-column: auto;
  }

  .page-products__compare {
    grid-template-columns: 1fr 1.05fr;
  }

  .page-products__compare-col {
    padding: 1.8rem;
  }

  .page-products__phone-img {
    max-width: 300px;
  }

  .page-products__timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem 2rem;
  }

  .page-products__timeline-item {
    border-left: 4px solid var(--color-charcoal);
    padding-left: 1.75rem;
  }

  .page-products__timeline-item p {
    font-size: 0.95rem;
  }

  .page-products__download-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__download-card {
    padding: 1.8rem;
  }

  .page-products__compat-img {
    max-width: 460px;
    margin: 1rem auto;
  }

  .page-products__sticky {
    right: 2rem;
    bottom: 2rem;
    padding: 0.75rem 1.1rem;
  }
}