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

/* ---------- 首屏：大标题 + 成组数字 ---------- */
.page-products .tiers-hero {
  position: relative;
}

.page-products .tiers-hero__panel {
  position: relative;
  overflow: hidden;
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
}

.page-products .tiers-hero__title {
  margin: var(--space-3) 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  overflow-wrap: break-word;
}

.page-products .tiers-hero__lede {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.88;
}

.page-products .tiers-hero__stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-contrast-line);
}

.page-products .tiers-hero__stage > * {
  grid-area: 1 / 1;
}

.page-products .tiers-hero__stage::after {
  content: "";
  grid-area: 1 / 1;
  z-index: 1;
  background: var(--overlay-scrim);
}

.page-products .tiers-hero__img {
  width: 100%;
  height: 100%;
  min-height: calc(var(--space-8) * 5);
  object-fit: cover;
  opacity: 0.86;
}

.page-products .tiers-hero__figures {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
}

.page-products .fig {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-left: var(--space-3);
}

.page-products .fig__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-products .fig__label {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-products .fig--a {
  margin-left: 0;
  border-left: 3px solid var(--color-primary);
}

.page-products .fig--a .fig__num {
  color: var(--color-contrast-ink);
}

.page-products .fig--b {
  margin-left: 8%;
  border-left: 3px solid var(--color-accent);
}

.page-products .fig--b .fig__num {
  color: var(--color-highlight);
}

.page-products .fig--c {
  margin-left: 16%;
  border-left: 3px solid var(--color-contrast-accent);
}

.page-products .fig--c .fig__num {
  color: var(--color-contrast-accent);
}

.page-products .tiers-hero__cta {
  margin-top: var(--space-6);
}

/* ---------- 三档对照：阶梯错位 ---------- */
.page-products .tiers-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-products .tier-card {
  --tier-mark: var(--color-ink-muted);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.page-products .tier-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--tier-mark);
}

.page-products .tier-card--preferred {
  --tier-mark: var(--color-primary);
}

.page-products .tier-card--special {
  --tier-mark: var(--color-accent);
}

.page-products .tier-card:target {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

.page-products .tier-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.page-products .tier-card__key {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
  color: var(--color-ink);
}

.page-products .tier-card__line {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .tier-card__spec {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-products .spec {
  display: grid;
  gap: 2px;
}

.page-products .spec dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-products .spec dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* ---------- 型号行业分布 ---------- */
.page-products .dist {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.page-products .dist__row {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
  background: color-mix(in srgb, var(--color-surface-alt) 74%, transparent);
}

.page-products .dist__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}

.page-products .dist__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
  color: var(--color-ink);
}

.page-products .dist__val {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-products .dist__num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--color-accent);
}

.page-products .dist__track {
  height: 10px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-line) 65%, transparent);
  overflow: hidden;
}

.page-products .dist__bar {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.page-products .dist__row--a .dist__bar {
  width: 32.4%;
}

.page-products .dist__row--b .dist__bar {
  width: 24.3%;
}

.page-products .dist__row--c .dist__bar {
  width: 21.6%;
}

.page-products .dist__row--d .dist__bar {
  width: 21.6%;
}

.page-products .dist__note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .scene-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-products .scene {
  display: grid;
  gap: var(--space-2);
  margin: 0;
}

.page-products .scene__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  object-fit: cover;
}

.page-products .scene__cap {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 起订与库存对照条 ---------- */
.page-products .limit-block {
  margin-top: var(--space-6);
}

.page-products .limit-block__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
  color: var(--color-ink);
}

.page-products .limit-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .limit {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
  background: color-mix(in srgb, var(--color-surface-alt) 72%, transparent);
}

.page-products .limit__idx {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-products .limit__body {
  display: grid;
  gap: var(--space-1);
}

.page-products .limit__val {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-ink);
}

.page-products .limit__text {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .limit-hint {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .stock-panel {
  position: relative;
  margin-top: var(--space-8);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-line);
}

.page-products .stock-panel__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-products .stock-panel__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-products .stock-panel__body {
  position: relative;
  z-index: 1;
  padding: var(--space-6) var(--space-4);
}

.page-products .stock-panel .limit-block__title {
  color: var(--color-contrast-ink);
}

.page-products .stock-panel .limit {
  border-color: var(--color-contrast-line);
  background: color-mix(in srgb, var(--color-contrast-surface) 55%, transparent);
}

.page-products .stock-panel .limit__idx {
  color: var(--color-contrast-accent);
}

.page-products .stock-panel .limit__val {
  color: var(--color-contrast-ink);
}

.page-products .stock-panel .limit__text,
.page-products .stock-panel .limit-hint {
  color: var(--color-contrast-ink);
  opacity: 0.84;
}

/* ---------- 选择建议 ---------- */
.page-products .advice {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
}

.page-products .advice__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-products .advice__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

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

.page-products .advice__title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-products .advice-list {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--measure);
}

.page-products .advice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-4) 0;
}

.page-products .advice__num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: 0.06em;
  color: var(--color-contrast-accent);
}

.page-products .advice__text {
  margin: 0;
  font-size: var(--text-xl);
  line-height: 1.4;
  color: var(--color-contrast-ink);
}

.page-products .advice__link {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  transition: background-color 200ms ease, color 200ms ease;
}

.page-products .advice__link:hover,
.page-products .advice__link:focus-visible {
  background: var(--color-highlight);
  color: var(--color-contrast-surface);
  text-decoration-color: transparent;
}

/* ---------- 行动出口 ---------- */
.page-products .action-out__panel {
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
}

.page-products .action-out__title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-products .action-out__grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.page-products .action-out__item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
  background: color-mix(in srgb, var(--color-surface-alt) 70%, transparent);
  text-decoration: none;
  transition: border-color 200ms ease, background-color 200ms ease, transform 200ms ease;
}

.page-products .action-out__item:hover,
.page-products .action-out__item:focus-visible {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary-soft) 62%, transparent);
  transform: translateY(-2px);
}

.page-products .action-out__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-products .action-out__t {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .tiers-hero__panel {
    padding: var(--space-8) var(--space-6);
  }

  .page-products .tiers-hero__figures {
    padding: var(--space-8) var(--space-6);
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .tiers-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .tier-card--standard {
    margin-top: 0;
  }

  .page-products .tier-card--preferred {
    margin-top: var(--space-8);
  }

  .page-products .tier-card--special {
    margin-top: calc(var(--space-8) * 2);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .action-out__item,
  .page-products .advice__link {
    transition: none;
  }

  .page-products .action-out__item:hover,
  .page-products .action-out__item:focus-visible {
    transform: none;
  }
}