.page-products {
  --prod-band-pad: var(--section-y);
  --prod-scale-label: 5.5ch;
}

@media (min-width: 900px) {
  .page-products {
    --prod-band-pad: var(--section-y-lg);
  }
}

.page-products [id] {
  scroll-margin-top: calc(var(--space-8) + var(--space-4));
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding-block: var(--space-4) var(--section-y);
}

@media (min-width: 768px) {
  .page-products .prod-hero {
    padding-block: var(--space-6) var(--section-y-lg);
  }
}

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

.page-products .prod-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-primary-ink) 72%, transparent);
}

.page-products .prod-hero .breadcrumb__list a {
  color: var(--color-primary-ink);
  text-decoration: none;
}

.page-products .prod-hero .breadcrumb__list li + li::before {
  content: "／";
  margin-right: var(--space-2);
  color: color-mix(in srgb, var(--color-primary-ink) 50%, transparent);
}

.page-products .prod-hero__kicker {
  margin: var(--space-6) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-primary-ink) 82%, transparent);
}

.page-products .prod-hero__title {
  margin: var(--space-3) 0 0;
  max-width: 12ch;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.03;
  letter-spacing: var(--tracking-heading);
}

.page-products .prod-hero__lede {
  margin: var(--space-6) 0 0;
  max-width: 48ch;
  font-size: var(--text-lg);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-primary-ink) 90%, transparent);
}

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-8);
    padding-top: var(--space-4);
    border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 40%, transparent);
  }
}

.page-products .prod-hero__stat {
  display: grid;
  gap: var(--space-1);
  align-content: start;
}

.page-products .prod-hero__stat-num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.12;
  font-variant-numeric: tabular-nums;
}

.page-products .prod-hero__stat-label {
  font-size: var(--text-sm);
  line-height: 1.45;
  color: color-mix(in srgb, var(--color-primary-ink) 78%, transparent);
}

.page-products .prod-hero__wave {
  display: none;
}

@media (min-width: 900px) {
  .page-products .prod-hero__wave {
    display: block;
    position: absolute;
    right: -6%;
    bottom: 10%;
    width: min(640px, 50%);
    height: auto;
    color: var(--color-primary-ink);
    opacity: 0.34;
    pointer-events: none;
  }
}

/* ---------- 分区直达条 ---------- */
.page-products .prod-jump {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-products .prod-jump__inner {
  display: flex;
  flex-wrap: wrap;
}

.page-products .prod-jump__link {
  flex: 1 1 auto;
  min-width: 118px;
  padding: var(--space-3) var(--space-2);
  border-right: var(--border-thin) solid var(--color-contrast-line);
  color: var(--color-contrast-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.16s linear, color 0.16s linear;
}

.page-products .prod-jump__link:last-child {
  border-right: 0;
}

.page-products .prod-jump__link:hover,
.page-products .prod-jump__link:focus-visible {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

/* ---------- 区块底色反转 ---------- */
.page-products .prod-band {
  padding-block: var(--prod-band-pad);
}

.page-products .prod-band--light {
  background: var(--color-surface);
  color: var(--color-ink);
}

.page-products .prod-band--alt {
  background: var(--color-surface-alt);
  color: var(--color-ink);
}

.page-products .prod-band--dark {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-products .prod-band--primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

/* ---------- 三段式服务带 ---------- */
.page-products .prod-service {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .page-products .prod-service {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
  }
}

.page-products .prod-service__lead {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-products .prod-service__tag {
  justify-self: start;
  margin: 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-products .prod-band--dark .prod-service__tag {
  background: color-mix(in srgb, var(--color-contrast-accent) 20%, transparent);
  color: var(--color-contrast-accent);
}

.page-products .prod-service__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);
}

@media (min-width: 900px) {
  .page-products .prod-service__title {
    font-size: var(--text-3xl);
  }
}

.page-products .prod-service__pain {
  margin: 0;
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.page-products .prod-band--dark .prod-service__pain {
  border-left-color: var(--color-contrast-accent);
  color: color-mix(in srgb, var(--color-contrast-ink) 92%, transparent);
}

.page-products .prod-service__detail {
  display: grid;
  gap: var(--space-6);
  min-width: 0;
}

.page-products .prod-service__block {
  display: grid;
  gap: var(--space-2);
}

.page-products .prod-service__block-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-products .prod-band--dark .prod-service__block-title {
  color: var(--color-contrast-accent);
}

.page-products .prod-service__block p {
  margin: 0;
  max-width: var(--measure);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .prod-band--dark .prod-service__block p {
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

.page-products .prod-service__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-products .prod-band--dark .prod-service__list {
  border-top-color: var(--color-contrast-line);
}

.page-products .prod-service__list li {
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  line-height: 1.6;
  color: var(--color-ink);
}

.page-products .prod-band--dark .prod-service__list li {
  border-bottom-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-products .prod-service__list a,
.page-products .prod-service__block p a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-products .prod-band--dark .prod-service__list a,
.page-products .prod-band--dark .prod-service__block p a {
  color: var(--color-contrast-accent);
}

/* ---------- 图片 ---------- */
.page-products .prod-media {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-products .prod-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.06);
}

.page-products .prod-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, color-mix(in srgb, var(--color-contrast-surface) 60%, transparent) 100%);
  pointer-events: none;
}

.page-products .prod-media--scale {
  margin-top: var(--space-6);
}

/* ---------- 规模对照 ---------- */
.page-products .prod-section-head {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-products .prod-section-head__tag {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-products .prod-section-head__title {
  margin: 0;
  max-width: 20ch;
  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);
}

@media (min-width: 900px) {
  .page-products .prod-section-head__title {
    font-size: var(--text-3xl);
  }
}

.page-products .prod-section-head__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.page-products .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.16s linear, color 0.16s linear, border-color 0.16s linear;
}

.page-products .filter-btn:hover {
  border-color: var(--color-accent);
}

.page-products .filter-btn[aria-pressed="true"],
.page-products .filter-btn.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-products .filter-btn__count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  opacity: 0.75;
}

.page-products .prod-scale {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 720px) {
  .page-products .prod-scale {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .prod-scale {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .prod-scale__item {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  padding: var(--space-4);
  background: var(--color-surface);
  border-top: var(--border-thick) solid var(--color-primary);
  transition: background-color 0.18s linear, color 0.18s linear;
}

.page-products .prod-scale__item[hidden] {
  display: none;
}

.page-products .prod-scale__item:hover {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-products .prod-scale__tier {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-products .prod-scale__range {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.2;
  color: var(--color-ink);
}

.page-products .prod-scale__facts {
  margin: 0;
  display: grid;
}

.page-products .prod-scale__fact {
  display: grid;
  grid-template-columns: var(--prod-scale-label) minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
}

.page-products .prod-scale__fact dt {
  margin: 0;
  font-weight: 700;
  color: var(--color-ink-muted);
}

.page-products .prod-scale__fact dd {
  margin: 0;
  line-height: 1.55;
  color: var(--color-ink-soft);
}

.page-products .prod-scale__item:hover .prod-scale__tier {
  color: var(--color-contrast-accent);
}

.page-products .prod-scale__item:hover .prod-scale__range {
  color: var(--color-contrast-ink);
}

.page-products .prod-scale__item:hover .prod-scale__fact {
  border-top-color: var(--color-contrast-line);
}

.page-products .prod-scale__item:hover .prod-scale__fact dt {
  color: var(--color-contrast-accent);
}

.page-products .prod-scale__item:hover .prod-scale__fact dd {
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

/* ---------- 行动出口 ---------- */
.page-products .prod-cta {
  display: grid;
  gap: var(--space-4);
}

.page-products .prod-cta__title {
  margin: 0;
  max-width: 18ch;
  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);
}

@media (min-width: 900px) {
  .page-products .prod-cta__title {
    font-size: var(--text-3xl);
  }
}

.page-products .prod-cta__lede {
  margin: 0;
  max-width: 60ch;
  font-size: var(--text-lg);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-primary-ink) 88%, transparent);
}

.page-products .prod-cta__lede a {
  color: var(--color-primary-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 65%, transparent);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.page-products .prod-cta__link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 65%, transparent);
  color: var(--color-primary-ink);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.16s linear, color 0.16s linear, border-color 0.16s linear;
}

.page-products .prod-cta__link:hover,
.page-products .prod-cta__link:focus-visible {
  background: var(--color-primary-ink);
  color: var(--color-primary);
  border-color: var(--color-primary-ink);
}

.page-products .prod-cta__link--solid {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-products .prod-cta__link--solid:hover,
.page-products .prod-cta__link--solid:focus-visible {
  background: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

/* ---------- 键盘焦点 ---------- */
.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-jump__link,
  .page-products .prod-scale__item,
  .page-products .filter-btn,
  .page-products .prod-cta__link {
    transition: none;
  }
}
<<<END>>>