.page-products {
  --pp-card-w: clamp(240px, 74vw, 300px);
  --pp-index-col: 148px;
}

/* ---------- Hero ---------- */
.page-products .products-hero {
  position: relative;
  padding-block: clamp(20px, 4vw, 44px) clamp(30px, 5vw, 60px);
  overflow: hidden;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  left: 40%;
  right: -18%;
  bottom: -160px;
  height: 340px;
  border-radius: 50%;
  background: var(--grad-river-x);
  opacity: .6;
  pointer-events: none;
}

.page-products .products-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
}

.page-products .products-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.14;
  letter-spacing: .04em;
  color: var(--yh-blue);
  margin: 10px 0 18px;
  max-width: 22ch;
}

.page-products .products-hero-copy .lede {
  max-width: 62ch;
  color: var(--yh-ink-soft);
}

.page-products .products-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .products-hero-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  border-top: 1px solid var(--yh-sand);
  padding-top: 20px;
}

.page-products .products-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .products-hero-facts .stat-value {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--yh-blue);
  letter-spacing: .02em;
}

.page-products .products-hero-facts .stat-label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--yh-gauge);
}

.page-products .products-hero-index {
  background: var(--yh-mist);
  border: 1px solid var(--yh-silver);
  border-radius: var(--radius-lg);
  padding: 22px 22px 14px;
  box-shadow: var(--shadow-1);
}

.page-products .products-index-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-products .products-index-list li + li {
  border-top: 1px solid rgba(27, 58, 107, .12);
}

.page-products .products-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  color: var(--yh-blue);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .products-index-list a:hover,
.page-products .products-index-list a:focus-visible {
  color: var(--yh-copper);
  padding-left: 6px;
}

.page-products .products-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--yh-gauge);
  letter-spacing: .1em;
}

/* ---------- Section 01 型号索引 ---------- */
.page-products .products-index-media {
  margin: 0 0 22px;
}

.page-products .products-filter {
  margin-bottom: 20px;
}

.page-products .products-cards {
  gap: 16px;
  padding: 6px 2px 18px;
}

.page-products .products-card {
  flex: 0 0 var(--pp-card-w);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 18px;
  border-radius: var(--radius-md);
  background: var(--yh-cream);
  border: 1px solid var(--yh-sand);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .products-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-products .products-card .card-title {
  font-family: var(--font-mono);
  font-size: 21px;
  letter-spacing: .06em;
  color: var(--yh-blue);
  margin: 0;
}

.page-products .products-card .card-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--yh-ink-soft);
  margin: 0;
  min-height: 3.4em;
}

.page-products .products-card-specs {
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--yh-sand);
  display: grid;
  gap: 6px;
}

.page-products .products-card-specs > div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
}

.page-products .products-card-specs dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--yh-gauge);
  text-transform: uppercase;
}

.page-products .products-card-specs dd {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--yh-celadon);
  text-align: right;
}

.page-products .products-card-cta {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  padding: 8px 16px;
}

/* ---------- Section 02 参数表 ---------- */
.page-products .products-spec-media {
  margin: 0 0 24px;
}

.page-products .products-table-wrap {
  border: 1px solid var(--yh-sand);
  border-radius: var(--radius-lg);
  background: var(--yh-cream);
  overflow: auto;
  max-height: 74vh;
  box-shadow: var(--shadow-1);
}

.page-products .products-table {
  min-width: 900px;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}

.page-products .products-table thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--yh-celadon);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 500;
  text-align: left;
  padding: 14px 18px;
  white-space: nowrap;
}

.page-products .products-table tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--yh-sand);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--yh-blue);
  font-weight: 500;
  text-align: left;
  padding: 12px 18px;
  white-space: nowrap;
  display: table-cell;
}

.page-products .products-table tbody td {
  background: var(--yh-cream);
  color: var(--yh-ink);
  padding: 12px 18px;
  border-top: 1px solid rgba(43, 38, 34, .08);
  white-space: nowrap;
}

.page-products .products-table tbody tr:nth-child(even) td {
  background: var(--yh-celadon-light);
}

.page-products .products-table tbody tr:hover td {
  background: var(--yh-mist);
}

.page-products .products-table .data-value {
  font-family: var(--font-mono);
  color: var(--yh-celadon);
  border-bottom: 1px solid rgba(62, 124, 107, .35);
  padding-bottom: 1px;
}

.page-products .products-copy {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 4px 10px;
  border: 1px solid rgba(27, 58, 107, .35);
  border-radius: var(--pill);
  background: transparent;
  color: var(--yh-blue);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .products-copy:hover,
.page-products .products-copy:focus-visible {
  background: var(--yh-blue);
  color: #fff;
}

.page-products .products-copy.is-copied {
  background: var(--yh-celadon);
  border-color: var(--yh-celadon);
  color: #fff;
}

/* ---------- Section 03 选型路径 ---------- */
.page-products .products-fit-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .products-fit-media {
  margin: 0;
}

.page-products .products-fit-accordion {
  background: var(--yh-mist);
  border: 1px solid var(--yh-silver);
  border-radius: var(--radius-lg);
  padding: 8px 18px;
  box-shadow: var(--shadow-1);
}

.page-products .products-fit-accordion .accordion-item + .accordion-item {
  border-top: 1px solid rgba(27, 58, 107, .1);
}

.page-products .products-fit-accordion .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--yh-blue);
  font-family: var(--font-body);
  font-size: 15px;
}

.page-products .products-fit-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--yh-celadon);
  flex: 0 0 auto;
}

.page-products .products-fit-label {
  font-weight: 500;
}

.page-products .products-fit-accordion .accordion-panel {
  padding: 0 0 18px;
}

.page-products .products-fit-accordion .accordion-panel p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--yh-ink-soft);
}

.page-products .products-exclude {
  margin: 0;
  padding: 12px 16px;
  list-style: none;
  border-radius: var(--radius-sm);
  background: var(--yh-celadon-light);
  display: grid;
  gap: 6px;
}

.page-products .products-exclude li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yh-ink-soft);
}

.page-products .products-exclude li::before {
  content: "×";
  position: absolute;
  left: 2px;
  top: 0;
  font-family: var(--font-mono);
  color: var(--yh-copper);
}

/* ---------- Section 04 平板场景 ---------- */
.page-products .products-tablet-media {
  margin: 0 0 24px;
}

.page-products .products-scene-grid {
  align-items: stretch;
}

.page-products .products-scene {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--yh-silver) 0%, var(--yh-mist) 100%);
  border: 1px solid rgba(27, 58, 107, .14);
}

.page-products .products-scene .card-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--yh-blue);
  margin: 0;
}

.page-products .products-scene .card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--yh-ink-soft);
}

.page-products .products-scene-list {
  margin: auto 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid rgba(27, 58, 107, .16);
  display: grid;
  gap: 8px;
  counter-reset: pp-scene;
}

.page-products .products-scene-list li {
  position: relative;
  padding-left: 26px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yh-ink);
  counter-increment: pp-scene;
}

.page-products .products-scene-list li::before {
  content: counter(pp-scene, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--yh-copper);
}

/* ---------- Section 05 交付与适配 ---------- */
.page-products .products-delivery-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
  margin-bottom: 28px;
}

.page-products .products-delivery-copy h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: .04em;
  color: var(--yh-blue);
  margin: 0 0 12px;
}

.page-products .products-delivery-copy p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yh-ink-soft);
  max-width: 54ch;
}

.page-products .products-delivery-copy .btn {
  margin-top: 8px;
}

.page-products .products-delivery-media {
  margin: 0;
}

.page-products .products-delivery-grid {
  align-items: stretch;
}

.page-products .products-delivery-item {
  padding: 22px 20px;
  border-radius: var(--radius-md);
  background: var(--yh-mist);
  border: 1px solid var(--yh-sand);
  border-top: 3px solid var(--yh-celadon);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .products-delivery-item h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: .04em;
  color: var(--yh-blue);
  margin: 0;
}

.page-products .products-delivery-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--yh-ink-soft);
}

.page-products .products-delivery-note {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--yh-celadon);
  padding-top: 10px;
  border-top: 1px dashed var(--yh-sand);
}

/* ---------- Section 06 版本 ---------- */
.page-products .products-version-grid {
  align-items: stretch;
}

.page-products .products-version-item {
  padding: 22px 20px 22px 26px;
  border-radius: var(--radius-md);
  background: var(--yh-cream);
  border: 1px solid var(--yh-sand);
  border-left: 4px solid var(--yh-blue);
}

.page-products .products-version-item:nth-child(even) {
  border-left-color: var(--yh-copper);
}

.page-products .products-version-item h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--yh-blue);
  margin: 0 0 10px;
}

.page-products .products-version-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--yh-ink-soft);
}

/* ---------- 收束行动 ---------- */
.page-products .products-cta {
  margin-top: clamp(30px, 5vw, 56px);
  padding: clamp(26px, 4vw, 44px);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--yh-blue) 0%, var(--yh-blue-deep) 100%);
  color: #fff;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
}

.page-products .products-cta-copy h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: .05em;
  margin: 0 0 12px;
  color: #fff;
}

.page-products .products-cta-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 247, 251, .86);
  max-width: 58ch;
}

.page-products .products-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .products-cta-actions .btn-quiet {
  color: #fff;
  border-color: rgba(255, 255, 255, .5);
}

.page-products .products-cta-actions .btn-quiet:hover,
.page-products .products-cta-actions .btn-quiet:focus-visible {
  background: rgba(255, 255, 255, .14);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .products-delivery-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  }
}

@media (min-width: 960px) {
  .page-products .products-hero-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(268px, .9fr);
    align-items: end;
  }

  .page-products .products-cta {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, 1fr);
  }

  .page-products .products-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-products .products-fit-layout {
    grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-products .products-fit-media {
    position: sticky;
    top: calc(var(--header-h-condensed) + 20px);
  }
}

@media (max-width: 719px) {
  .page-products .products-table tbody th {
    min-width: var(--pp-index-col);
  }

  .page-products .products-cards {
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
  }

  .page-products .products-hero::before {
    left: 20%;
    bottom: -200px;
    height: 320px;
  }

  .page-products .products-fit-accordion {
    padding: 4px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .products-card,
  .page-products .products-index-list a,
  .page-products .products-copy {
    transition-duration: 1ms;
  }

  .page-products .products-card:hover {
    transform: none;
  }
}