.page-products {
  --products-mono: "SF Mono", "Cascadia Code", Consolas, monospace;
  --products-shadow: 0 14px 30px rgba(2, 12, 27, 0.08);
  --products-shadow-lift: 0 20px 44px rgba(2, 12, 27, 0.14);
  --products-line: rgba(10, 25, 47, 0.12);
  --products-grid-bg: rgba(10, 25, 47, 0.035);
  background-color: var(--color-snow);
  color: var(--color-space);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .products-hero {
  background: linear-gradient(135deg, var(--color-snow) 0%, #eef3f7 52%, rgba(204, 224, 255, 0.42) 100%);
  border-bottom: 1px solid var(--products-line);
  padding: 2.5rem 0 3rem;
  position: relative;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 25, 47, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 25, 47, 0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

.page-products .products-hero-inner {
  position: relative;
  z-index: 1;
}

.page-products .breadcrumb {
  font-size: var(--text-note);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(10, 25, 47, 0.55);
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.page-products .breadcrumb a {
  color: var(--color-action);
  text-decoration: none;
  font-weight: 500;
}

.page-products .breadcrumb a:hover {
  color: var(--color-action-hover);
}

.page-products .breadcrumb-sep {
  color: rgba(10, 25, 47, 0.3);
}

.page-products .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2.25rem;
}

.page-products .hero-eyebrow {
  font-size: var(--text-note);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-action);
  margin-bottom: 1rem;
}

.page-products .hero-main h1 {
  font-family: var(--font-heading);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.05;
  margin: 0 0 1.25rem;
  color: var(--color-space);
  max-width: 10em;
}

.page-products .hero-lead {
  font-size: 1.08rem;
  line-height: 1.65;
  color: rgba(10, 25, 47, 0.78);
  max-width: 32em;
  margin-bottom: 0;
}

.page-products .hero-meta {
  border-left: 3px solid var(--color-action);
  padding-left: 1.25rem;
  align-self: end;
}

.page-products .hero-meta .status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-space);
  color: var(--color-snow);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: var(--text-note);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.page-products .hero-meta .state-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-action);
  display: inline-block;
}

.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 0;
}

.page-products .hero-stats div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-products .hero-stats dt {
  font-size: var(--text-note);
  color: rgba(10, 25, 47, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-products .hero-stats dd {
  margin: 0;
  font-family: var(--products-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-space);
}

.page-products .products-section {
  padding: 4.5rem 0;
}

.page-products .products-heading {
  margin-bottom: 2.75rem;
}

.page-products .products-heading .section-index {
  font-family: var(--products-mono);
  font-size: var(--text-note);
  font-weight: 700;
  color: var(--color-action);
  display: block;
  margin-bottom: 0.55rem;
  letter-spacing: 0.08em;
}

.page-products .products-heading h2 {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.12;
  color: var(--color-space);
  margin: 0;
}

.page-products .products-heading .section-note {
  font-size: var(--text-note);
  color: rgba(10, 25, 47, 0.58);
  margin-top: 0.6rem;
  letter-spacing: 0.04em;
}

/* ---------- 服务总览 ---------- */
.page-products .services-overview {
  background-color: var(--color-snow);
  border-bottom: 1px solid var(--products-line);
}

.page-products .overview-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.page-products .overview-network {
  position: relative;
  background: var(--color-space);
  border-radius: 18px;
  overflow: hidden;
  padding: 0;
}

.page-products .overview-network .network-img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.9;
}

.page-products .network-caption {
  position: absolute;
  left: 1.25rem;
  bottom: 1rem;
  margin: 0;
  font-size: var(--text-note);
  color: rgba(245, 247, 250, 0.82);
  letter-spacing: 0.04em;
  background: rgba(2, 12, 27, 0.55);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  backdrop-filter: blur(6px);
}

.page-products .service-grid {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .service-card {
  flex: 0 0 265px;
  scroll-snap-align: start;
  background: var(--color-snow);
  border: 1px solid var(--products-line);
  border-radius: 14px;
  padding: 1.4rem 1.25rem 1.35rem;
  box-shadow: var(--products-shadow);
  transition: box-shadow var(--speed) var(--ease), transform var(--speed) var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 190px;
}

.page-products .service-card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: 1.5rem;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-action) 0%, var(--color-action-hover) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
  border-top-right-radius: 10px;
  opacity: 0.35;
}

.page-products .service-card:hover {
  box-shadow: var(--products-shadow-lift);
  transform: translateY(-4px);
}

.page-products .service-num {
  font-family: var(--products-mono);
  font-size: var(--text-note);
  font-weight: 700;
  color: var(--color-action);
  letter-spacing: 0.06em;
}

.page-products .service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-space);
  margin: 0;
}

.page-products .service-card p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(10, 25, 47, 0.72);
  margin: 0;
  flex: 1;
}

.page-products .service-card--devices .device-img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
  margin-top: auto;
}

.page-products .service-card--archive,
.page-products .service-card--security,
.page-products .service-card--content {
  background: var(--color-mist);
  border-color: rgba(10, 25, 47, 0.08);
}

/* ---------- 安卓版本库 ---------- */
.page-products .version-archive {
  background:
    linear-gradient(rgba(10, 25, 47, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 25, 47, 0.03) 1px, transparent 1px),
    var(--color-mist);
  background-size: 30px 30px;
  border-bottom: 1px solid var(--products-line);
}

.page-products .archive-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.page-products .archive-list-wrap {
  min-width: 0;
}

.page-products .archive-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.page-products .filter-label {
  font-size: var(--text-note);
  color: rgba(10, 25, 47, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-products .filter-chip {
  font-family: var(--products-mono);
  font-size: 0.72rem;
  border: 1px solid rgba(10, 25, 47, 0.2);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  color: var(--color-space);
  background: var(--color-snow);
}

.page-products .filter-chip.is-live {
  background: var(--color-space);
  border-color: var(--color-space);
  color: var(--color-snow);
}

.page-products .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--color-space);
  max-height: 680px;
  overflow-y: auto;
}

.page-products .version-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem 0.9rem;
  align-items: baseline;
  padding: 0.8rem 0.6rem;
  border-bottom: 1px dashed var(--products-line);
  transition: background var(--speed) var(--ease);
}

.page-products .version-row:hover {
  background: rgba(10, 25, 47, 0.04);
}

.page-products .version-name {
  font-family: var(--products-mono);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-space);
  white-space: nowrap;
}

.page-products .version-badge {
  font-family: var(--products-mono);
  font-size: 0.68rem;
  background: var(--color-action);
  color: var(--color-snow);
  border-radius: 3px;
  padding: 0.18rem 0.5rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  align-self: center;
}

.page-products .version-summary {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.85rem;
  color: rgba(10, 25, 47, 0.65);
  line-height: 1.45;
}

.page-products .version-arch {
  font-family: var(--products-mono);
  font-size: 0.68rem;
  color: rgba(10, 25, 47, 0.55);
  letter-spacing: 0.06em;
  align-self: center;
}

.page-products .version-action {
  justify-self: end;
  font-size: 0.78rem;
  padding: 0.4rem 0.9rem !important;
  white-space: nowrap;
  align-self: center;
}

.page-products .archive-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.page-products .archive-sidebar .archive-shield {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(10, 25, 47, 0.08);
  box-shadow: var(--products-shadow);
}

.page-products .archive-check {
  background: var(--color-space);
  color: var(--color-snow);
  border-radius: 16px;
  padding: 1.6rem 1.4rem;
}

.page-products .archive-check h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin: 0 0 0.7rem;
  color: var(--color-snow);
}

.page-products .archive-check p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(245, 247, 250, 0.78);
  margin: 0 0 1.2rem;
}

.page-products .archive-facts {
  margin: 0;
  display: grid;
  gap: 0.55rem;
  border-top: 1px solid rgba(245, 247, 250, 0.14);
  padding-top: 1rem;
}

.page-products .archive-facts div {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
}

.page-products .archive-facts dt {
  color: rgba(245, 247, 250, 0.6);
}

.page-products .archive-facts dd {
  margin: 0;
  font-family: var(--products-mono);
  color: var(--color-action);
}

/* ---------- 版本差异对比 ---------- */
.page-products .version-compare {
  background: var(--color-snow);
  border-bottom: 1px solid var(--products-line);
}

.page-products .compare-timeline {
  background: linear-gradient(135deg, var(--color-space) 0%, var(--color-deep) 100%);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.page-products .compare-timeline .timeline-img {
  width: 100%;
  height: auto;
  display: block;
}

.page-products .compare-wrap {
  overflow-x: auto;
  border-radius: 12px;
  box-shadow: var(--products-shadow);
}

.page-products .compare-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--color-snow);
}

.page-products .compare-table th,
.page-products .compare-table td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--products-line);
  text-align: left;
  font-size: 0.9rem;
  line-height: 1.5;
}

.page-products .compare-table thead th {
  background: var(--color-space);
  color: var(--color-snow);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .compare-table thead th:first-child {
  border-top-left-radius: 0;
}

.page-products .compare-table tbody th:first-child {
  color: var(--color-space);
  font-weight: 500;
  background: var(--color-mist);
}

.page-products .compare-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .compare-table td:nth-child(3) {
  background: rgba(255, 107, 53, 0.06);
  font-weight: 500;
}

.page-products .compare-footnote {
  margin: 1.4rem 0 0;
  font-size: 0.85rem;
  color: rgba(10, 25, 47, 0.65);
  border-left: 3px solid var(--color-action);
  padding-left: 1rem;
  max-width: 44em;
}

/* ---------- 全球接入指南 ---------- */
.page-products .global-access {
  background:
    linear-gradient(rgba(10, 25, 47, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 25, 47, 0.025) 1px, transparent 1px),
    var(--color-mist);
  background-size: 32px 32px;
  border-bottom: 1px solid var(--products-line);
}

.page-products .access-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
}

.page-products .access-map {
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-space);
  box-shadow: var(--products-shadow);
}

.page-products .access-map .map-img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.92;
}

.page-products .access-advice {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.page-products .access-advice h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-space);
  margin: 0;
}

.page-products .advice-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: advice;
  display: grid;
  gap: 0.9rem;
}

.page-products .advice-list li {
  counter-increment: advice;
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  font-size: 0.92rem;
  line-height: 1.55;
  color: rgba(10, 25, 47, 0.78);
  background: var(--color-snow);
  border: 1px solid rgba(10, 25, 47, 0.08);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.page-products .advice-list li::before {
  content: counter(advice, decimal-leading-zero);
  font-family: var(--products-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-action);
  flex-shrink: 0;
}

.page-products .access-note {
  background: var(--color-ice);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
}

.page-products .access-note p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-ink);
  line-height: 1.65;
}

/* ---------- 内容中心索引 ---------- */
.page-products .content-index {
  background: var(--color-space);
  color: var(--color-snow);
}

.page-products .content-index .products-heading h2 {
  color: var(--color-snow);
}

.page-products .content-index .products-heading .section-note {
  color: rgba(245, 247, 250, 0.62);
}

.page-products .index-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.page-products .index-tree {
  background: rgba(245, 247, 250, 0.05);
  border: 1px solid rgba(245, 247, 250, 0.12);
  border-radius: 16px;
  padding: 1.6rem 1.4rem;
}

.page-products .tree-root {
  position: relative;
}

.page-products .tree-root-label {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-action);
  display: block;
  margin-bottom: 1.4rem;
  letter-spacing: 0.02em;
}

.page-products .tree-branch {
  display: grid;
  gap: 0.9rem;
  padding-left: 1.2rem;
  border-left: 2px solid rgba(255, 107, 53, 0.4);
}

.page-products .tree-node {
  background: rgba(245, 247, 250, 0.06);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  transition: background var(--speed) var(--ease);
}

.page-products .tree-node:hover {
  background: rgba(245, 247, 250, 0.12);
}

.page-products .tree-node-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-snow);
  display: block;
  margin-bottom: 0.32rem;
}

.page-products .tree-node p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: rgba(245, 247, 250, 0.72);
}

.page-products .index-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 0;
}

.page-products .index-cta h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-snow);
  margin: 0;
}

.page-products .index-cta p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(245, 247, 250, 0.72);
  margin: 0;
  max-width: 28em;
}

.page-products .cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.4rem;
}

.page-products .cta-group .btn {
  min-width: 150px;
  text-align: center;
}

/* ---------- 桌面端布局调整 ---------- */
@media (min-width: 768px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr);
    gap: 3rem;
    align-items: end;
  }

  .page-products .service-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    overflow: visible;
    flex-wrap: wrap;
  }

  .page-products .service-card {
    flex: 1 1 auto;
    min-height: 170px;
  }

  .page-products .overview-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-products .archive-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.65fr);
    align-items: start;
    gap: 2rem;
  }

  .page-products .archive-sidebar {
    position: sticky;
    top: 2rem;
  }

  .page-products .access-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-products .index-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-products .products-section {
    padding: 6rem 0;
  }

  .page-products .version-row {
    grid-template-columns: minmax(165px, auto) minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 0 1.25rem;
    padding: 0.9rem 0.8rem;
  }

  .page-products .version-summary {
    grid-column: auto;
  }

  .page-products .version-arch {
    margin-left: 0.4rem;
  }

  .page-products .version-action {
    min-width: 104px;
  }

  .page-products .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .service-card {
    min-height: 210px;
  }
}