.page-products {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  padding-top: var(--space-8);
  padding-bottom: 0;
}

.page-products .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-products .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.page-products .breadcrumbs li + li::before {
  content: "/";
  color: var(--color-line);
}

.page-products .breadcrumbs a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-bottom: 1px;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-products .breadcrumbs a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-products .hero-head {
  margin-bottom: var(--space-6);
}

.page-products .vertical-tag {
  display: inline-block;
  writing-mode: horizontal-tb;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.24em;
  color: var(--color-primary);
  margin: 0 0 var(--space-3);
  padding: 0 0 var(--space-1);
  border-bottom: var(--border-thin) solid var(--color-primary);
}

.page-products .display-title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-4);
  max-width: 11em;
}

.page-products .lead {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin: 0;
}

.page-products .hero-banner {
  margin: 0 0 var(--space-6);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-products .hero-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 档位拼贴 ---------- */
.page-products .tier-stage {
  position: relative;
}

.page-products .tier-tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  align-items: end;
}

.page-products .tier-tile {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  min-height: 176px;
  text-align: left;
  font-family: inherit;
  color: var(--color-ink);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color 200ms ease-out, color 200ms ease-out,
    border-color 200ms ease-out, box-shadow 200ms ease-out;
}

.page-products .tier-tile--standard {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
  min-height: 248px;
}

.page-products .tier-tile--custom {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
  min-height: 208px;
}

.page-products .tier-tile:hover {
  border-color: var(--color-focus);
}

.page-products .tier-tile[aria-selected="true"] {
  border-color: var(--color-accent);
  box-shadow: inset 0 0 0 1px var(--color-accent);
}

.page-products .tier-tile:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-products .tier-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-products .tier-scope {
  font-size: var(--text-sm);
  line-height: 1.5;
  opacity: 0.8;
}

.page-products .tier-price {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-products .tier-tile--standard .tier-price {
  font-size: var(--text-figure);
}

/* ---------- 档位面板 ---------- */
.page-products .tier-panels {
  margin-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-products .tier-panel {
  padding-top: var(--space-6);
}

.page-products .tier-panel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

.page-products .tier-facts {
  margin: 0;
  display: grid;
  gap: var(--space-4);
}

.page-products .tier-fact {
  display: grid;
  gap: var(--space-1);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-products .tier-fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .tier-fact-key {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-products .tier-fact-value {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 58ch;
}

.page-products .tier-panel-media {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-products .tier-panel-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .tier-panel-media--4x5 img {
  aspect-ratio: 4 / 5;
}

.page-products .tier-panel-media--16x9 img {
  aspect-ratio: 16 / 9;
}

.page-products .tier-panel-note {
  margin: var(--space-6) 0 0;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-soft);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink);
  max-width: 72ch;
}

.page-products .tier-panel-note a,
.page-products .generation-note a,
.page-products .included-item a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-products .tier-panel-note a:hover,
.page-products .generation-note a:hover,
.page-products .included-item a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- 首屏数字带 ---------- */
.page-products .hero-stats {
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: var(--space-4) 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-products .hero-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-products .hero-stat-num {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--color-primary);
}

.page-products .hero-stat-label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

/* ---------- 通用区块 ---------- */
.page-products .products-block {
  padding-top: var(--section-y);
}

.page-products .products-block:last-child {
  padding-bottom: var(--section-y-lg);
}

.page-products .section-head {
  margin-bottom: var(--space-6);
}

.page-products .section-head::after {
  content: "";
  display: block;
  height: var(--border-thin);
  background: var(--color-line);
  margin-top: var(--space-4);
}

.page-products .chapter-mark {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.26em;
  color: var(--color-primary);
}

.page-products .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 24ch;
}

/* ---------- 型号代际 ---------- */
.page-products .generation-visual {
  margin: 0 0 var(--space-6);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-products .generation-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .media-caption {
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-products .generation-table-wrap {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
}

.page-products .generation-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-products .table-caption {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .generation-table th,
.page-products .generation-table td {
  padding: var(--space-3);
  text-align: left;
  vertical-align: top;
  line-height: 1.66;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-products .generation-table thead th {
  background: var(--color-surface-deep);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.1em;
  color: var(--color-ink);
  white-space: nowrap;
}

.page-products .generation-table tbody th {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  white-space: nowrap;
}

.page-products .generation-table tbody tr:last-child th,
.page-products .generation-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .generation-table tbody tr:hover {
  background: var(--color-surface-alt);
}

.page-products .generation-table .is-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-products .generation-table thead th:first-child,
.page-products .generation-table tbody th:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--color-surface);
  box-shadow: inset -1px 0 0 var(--color-line);
}

.page-products .generation-table thead th:first-child {
  background: var(--color-surface-deep);
}

.page-products .generation-table tbody tr:hover th:first-child {
  background: var(--color-surface-alt);
}

.page-products .generation-note {
  margin-top: var(--space-6);
  max-width: 72ch;
}

.page-products .generation-note p {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .generation-note p:last-child {
  margin-bottom: 0;
}

/* ---------- 培训 / 工具 / 售后 ---------- */
.page-products .included-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

.page-products .included-media {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-products .included-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .included-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-products .included-item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-products .included-item:first-child {
  padding-top: 0;
}

.page-products .included-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .included-item dt {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  letter-spacing: 0.04em;
}

.page-products .included-item dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 60ch;
}

/* ---------- 选档三步 ---------- */
.page-products .path-steps {
  list-style: none;
  margin: 0 0 var(--space-8);
  padding: 0;
  display: grid;
  gap: var(--space-6);
}

.page-products .path-step {
  position: relative;
  padding-right: var(--space-3);
}

.page-products .path-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-3);
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.page-products .path-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-products .path-text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 40ch;
}

.page-products .products-exit {
  padding: var(--space-6);
  background: var(--color-highlight);
  border-left: var(--border-thick) solid var(--color-accent);
  border-radius: var(--radius-md);
  display: grid;
  gap: var(--space-4);
}

.page-products .exit-lead {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink);
  max-width: 52ch;
}

.page-products .products-exit .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-products .tier-tiles {
    grid-template-columns: 1fr 2.2fr 1.5fr;
    gap: var(--space-3);
  }

  .page-products .hero-banner img {
    aspect-ratio: 3 / 1;
  }
}

@media (min-width: 860px) {
  .page-products .tier-panel-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: var(--space-8);
  }

  .page-products .included-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
  }
}

@media (min-width: 900px) {
  .page-products .hero-head {
    position: relative;
    padding-right: 88px;
  }

  .page-products .vertical-tag {
    position: absolute;
    top: 0;
    right: 0;
    margin: 0;
    padding: 0 0 0 var(--space-1);
    writing-mode: vertical-rl;
    border-bottom: 0;
    border-left: var(--border-thin) solid var(--color-primary);
  }

  .page-products .path-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 var(--space-6);
    position: relative;
  }

  .page-products .path-steps::before {
    content: "";
    position: absolute;
    top: 19px;
    left: 0;
    right: 0;
    height: var(--border-thin);
    background: var(--color-line);
    z-index: 0;
  }

  .page-products .path-step {
    z-index: 1;
  }

  .page-products .path-dot {
    background-image: none;
  }
}

@media (min-width: 1140px) {
  .page-products .section-title {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 480px) {
  .page-products .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .page-products .hero-stat {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-2);
  }

  .page-products .products-exit {
    padding: var(--space-4);
  }
}