.page-products {
  --pl-content: 1200px;
  --pl-gap: 2.5rem;
  --pl-radius: var(--radius-lg);
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: clip;
}

.page-products .section-kicker,
.page-products .section-heading,
.page-products .section-lead {
  margin: 0;
}

.page-products .section-kicker {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-secondary);
  border: 1px solid var(--c-secondary-soft);
  background: var(--c-secondary-soft);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 0.9rem;
}

.page-products .section-heading {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin-bottom: 0.75rem;
}

.page-products .section-lead {
  color: var(--c-text-secondary);
  font-size: 1.05rem;
  max-width: 66ch;
}

.page-products .products-hero {
  max-width: var(--pl-content);
  margin: 0 auto;
  padding: 3rem 1.25rem 2rem;
}

.page-products .products-hero__inner {
  border-top: 4px solid var(--c-primary);
  padding-top: 1.5rem;
}

.page-products .products-hero__index {
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  border-left: 3px solid var(--c-accent);
  padding-left: 0.75rem;
  margin: 1.5rem 0 0.75rem;
}

.page-products .products-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.25rem, 6vw, 4.25rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0.01em;
  margin: 0.25rem 0 1rem;
}

.page-products .products-hero__lead {
  font-size: 1.125rem;
  color: var(--c-text-secondary);
  max-width: 68ch;
  margin: 0 0 1.5rem;
}

.page-products .products-hero__toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--c-border);
}

.page-products .products-hero__toc a {
  color: var(--c-primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-products .products-hero__toc a:hover {
  border-bottom-color: var(--c-secondary);
  color: var(--c-secondary);
}

.page-products .product-lines {
  padding: 2rem 1.25rem 4rem;
}

.page-products .product-lines__inner,
.page-products .process-section__inner,
.page-products .coverage-section__inner,
.page-products .case-section__inner,
.page-products .speed-section__inner,
.page-products .book-section__inner {
  max-width: var(--pl-content);
  margin: 0 auto;
}

.page-products .product-lines__intro {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 2.5rem;
}

.page-products .product-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pl-gap);
}

.page-products .product-card {
  background: var(--c-surface);
  border-radius: var(--pl-radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow: 0 14px 36px var(--c-shadow);
  display: grid;
  grid-template-columns: 1fr;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-products .product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px var(--c-shadow);
}

.page-products .product-card__copy {
  padding: 1.75rem;
}

.page-products .product-card__tag {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.page-products .product-card__tag--storage {
  background: var(--c-secondary-soft);
  color: var(--c-text);
}

.page-products .product-card__tag--clean {
  background: var(--c-accent-soft);
  color: var(--c-accent);
}

.page-products .product-card__tag--appliance {
  background: var(--c-primary-soft);
  color: var(--c-primary);
}

.page-products .product-card h3 {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 0.6rem;
}

.page-products .product-card__desc {
  color: var(--c-text-secondary);
  margin: 0 0 1rem;
}

.page-products .product-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: grid;
  gap: 0.5rem;
}

.page-products .product-card__features li {
  position: relative;
  padding-left: 1.5rem;
}

.page-products .product-card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.55em;
  height: 0.55em;
  border-radius: 999px;
  background: var(--c-secondary);
}

.page-products .product-card--clean .product-card__features li::before {
  background: var(--c-accent);
}

.page-products .product-card--appliance .product-card__features li::before {
  background: var(--c-primary);
}

.page-products .product-card__note {
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  border-top: 1px dashed var(--c-border);
  padding-top: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-products .product-card__visual {
  position: relative;
  min-height: 220px;
  background: var(--c-primary-soft);
}

.page-products .product-card__visual img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  display: block;
  object-fit: cover;
}

.page-products .process-section {
  background: #fff;
  border-block: 1px solid var(--c-border);
  padding: 3.5rem 1.25rem;
}

.page-products .process-intro {
  margin-bottom: 2rem;
}

.page-products .process-lane {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
  position: relative;
}

.page-products .process-step {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
  z-index: 1;
}

.page-products .process-step::before {
  content: "";
  position: absolute;
  top: -1rem;
  left: 2.4rem;
  width: 2px;
  height: 1rem;
  background: var(--c-secondary);
}

.page-products .process-step:first-child::before {
  display: none;
}

.page-products .process-step summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.2rem 0.8rem;
}

.page-products .process-step summary::-webkit-details-marker {
  display: none;
}

.page-products .process-step summary::after {
  content: "展开";
  margin-left: auto;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-accent);
  border: 1px solid var(--c-accent);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  flex: 0 0 auto;
}

.page-products .process-step[open] summary::after {
  content: "收起";
}

.page-products .process-step__num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.9rem;
  color: var(--c-accent);
}

.page-products .process-step h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.page-products .process-step summary > p {
  width: 100%;
  margin: 0.25rem 0 0;
  color: var(--c-text-secondary);
}

.page-products .process-step__body {
  margin-top: 1rem;
  border-top: 1px dashed var(--c-border);
  padding-top: 0.75rem;
  color: var(--c-text-secondary);
  font-size: 0.95rem;
}

.page-products .process-visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-border);
}

.page-products .process-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .coverage-section {
  background: var(--c-primary);
  color: rgba(255, 255, 255, 0.92);
  padding: 4rem 1.25rem;
}

.page-products .coverage-section .section-heading,
.page-products .coverage-section .section-kicker {
  color: #ffffff;
}

.page-products .coverage-section .section-kicker {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.page-products .coverage-section .section-lead {
  color: rgba(255, 255, 255, 0.8);
}

.page-products .coverage-intro {
  margin-bottom: 2.5rem;
}

.page-products .coverage-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-products .coverage-map {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}

.page-products .coverage-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.page-products .coverage-map:hover img {
  transform: scale(1.02);
}

.page-products .coverage-panel {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(10px);
}

.page-products .coverage-total {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-products .coverage-total__num {
  font-family: var(--font-head);
  font-size: clamp(3.5rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--c-accent);
}

.page-products .coverage-total__label {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
}

.page-products .coverage-panel__hint {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.page-products .coverage-regions {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.page-products .region-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 0.5rem;
  font-size: 0.95rem;
}

.page-products .region-row__name::before {
  content: "";
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--c-secondary);
  margin-right: 0.6rem;
  vertical-align: 0.06em;
}

.page-products .region-row__count {
  font-weight: 700;
  color: var(--c-secondary);
  font-family: var(--font-head);
}

.page-products .coverage-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.page-products .coverage-filter__pill {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-products .coverage-filter__pill:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

.page-products .coverage-note {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.page-products .case-section {
  background: var(--c-surface);
  padding: 4rem 1.25rem;
}

.page-products .case-intro {
  margin-bottom: 2rem;
}

.page-products .case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-products .case-file {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-products .case-file:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px var(--c-shadow);
}

.page-products .case-file summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.2rem 1rem;
  align-items: baseline;
}

.page-products .case-file summary::-webkit-details-marker {
  display: none;
}

.page-products .case-file summary::after {
  content: "＋";
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: center;
  color: var(--c-accent);
  font-weight: 700;
}

.page-products .case-file[open] summary::after {
  content: "－";
}

.page-products .case-file__index {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 2rem;
  color: var(--c-secondary);
  grid-row: span 2;
  line-height: 1;
  padding-top: 0.35rem;
}

.page-products .case-file h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}

.page-products .case-file__meta {
  color: var(--c-text-secondary);
  font-size: 0.9rem;
}

.page-products .case-file__body {
  margin-top: 1rem;
  border-top: 1px dashed var(--c-border);
  padding-top: 0.75rem;
  color: var(--c-text-secondary);
  font-size: 0.95rem;
}

.page-products .case-section__action {
  display: flex;
  justify-content: center;
}

.page-products .speed-section {
  background: var(--c-primary-soft);
  padding: 4rem 1.25rem;
}

.page-products .speed-intro {
  margin-bottom: 2rem;
}

.page-products .speed-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.page-products .speed-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.page-products .speed-item:nth-child(even) {
  border-left-color: var(--c-secondary);
}

.page-products .speed-item__time {
  flex: 0 0 auto;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  white-space: nowrap;
}

.page-products .speed-item h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.page-products .speed-item p {
  margin: 0;
  color: var(--c-text-secondary);
  font-size: 0.95rem;
}

.page-products .book-section {
  background: linear-gradient(135deg, var(--c-primary), #183A63);
  color: rgba(255, 255, 255, 0.94);
  padding: 4.5rem 1.25rem;
  text-align: center;
}

.page-products .book-section .section-kicker {
  color: var(--c-secondary);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.page-products .book-section h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.page-products .book-section p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.78);
  margin: 0 auto 1.5rem;
  max-width: 44ch;
}

.page-products .book-section__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.page-products .book-section .btn--ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

.page-products .btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 0.7rem 1.5rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.page-products .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px var(--c-shadow);
}

.page-products .btn:focus-visible,
.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-products .product-card {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .product-card__visual {
    order: 2;
  }

  .page-products .product-card--clean .product-card__visual {
    order: 0;
  }

  .page-products .product-card__copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-products .speed-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .products-hero,
  .page-products .product-lines,
  .page-products .process-section,
  .page-products .coverage-section,
  .page-products .case-section,
  .page-products .speed-section,
  .page-products .book-section {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .page-products .product-stack {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-products .product-card--storage {
    grid-column: 1 / span 4;
  }

  .page-products .product-card--clean {
    grid-column: 3 / span 4;
  }

  .page-products .product-card--appliance {
    grid-column: 2 / span 4;
  }

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

  .page-products .process-lane::before {
    content: "";
    position: absolute;
    top: 3.2rem;
    left: 2.5rem;
    right: 2.5rem;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--c-secondary) 0 10px, transparent 10px 20px);
  }

  .page-products .process-step::before {
    display: none;
  }

  .page-products .coverage-layout {
    grid-template-columns: 1.08fr 0.92fr;
  }

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

  .page-products .case-file--wide {
    grid-column: span 2;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation: none !important;
    transition: none !important;
  }
}