.page-products {
  --fn-gap: clamp(18px, 3vw, 32px);
  --fn-rule: 1px solid var(--line);
}

.page-products .crumbs {
  padding-block: 14px 0;
}

.page-products .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-products .crumbs__item + .crumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-products .crumbs__link {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-products .crumbs__link:hover,
.page-products .crumbs__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-products .crumbs__link[aria-current="page"] {
  color: var(--ink);
}

.page-products .section {
  padding-block: clamp(44px, 7vw, 84px);
  position: relative;
}

/* ---------- 章节标题带 ---------- */

.page-products .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .section-head__body {
  min-width: 0;
}

.page-products .section-head__body h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .section-head__body p {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-products .section-index {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 6vw, 62px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: rgba(154, 170, 181, 0.3);
  transition: color var(--t-mid);
}

.page-products .is-current .section-index,
.page-products .section-index.is-current {
  color: var(--lime);
}

.page-products .eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-products .fn-hero {
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 56px) clamp(36px, 6vw, 72px);
}

.page-products .fn-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  right: -8%;
  bottom: -34px;
  width: 66%;
  height: 104px;
  background: linear-gradient(90deg, rgba(53, 224, 200, 0.16), rgba(198, 255, 61, 0.04));
  border-top: var(--fn-rule);
  transform: skewY(-4deg);
  pointer-events: none;
}

.page-products .fn-hero__grid,
.page-products .fn-hero .shell {
  position: relative;
  z-index: 1;
}

.page-products .fn-hero__grid {
  display: grid;
  gap: var(--fn-gap);
  align-items: start;
}

.page-products .fn-hero__lead {
  min-width: 0;
}

.page-products .fn-hero__lead h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-products .fn-hero__intro {
  max-width: 60ch;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--steel);
}

.page-products .fn-hero__jump {
  margin: 0;
  font-size: 14px;
}

.page-products .fn-hero__spec {
  border: var(--fn-rule);
  background: rgba(6, 10, 15, 0.62);
  padding: 18px 18px 6px;
}

.page-products .fn-hero__spec-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-products .fn-spec-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .fn-spec-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.page-products .fn-spec-list li:last-child {
  border-bottom: 0;
}

.page-products .fn-spec-list__k {
  color: var(--steel);
}

.page-products .fn-spec-list__v {
  color: var(--lime);
  font-weight: 700;
  font-size: 15px;
}

/* ---------- 横向数据带 ---------- */

.page-products .data-strip {
  display: flex;
  margin-top: clamp(22px, 4vw, 38px);
  border-top: var(--fn-rule);
  border-bottom: var(--fn-rule);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .data-strip__cell {
  flex: 1 0 auto;
  min-width: 160px;
  display: grid;
  gap: 6px;
  padding: 14px 18px 14px 0;
  border-right: 1px solid var(--line);
}

.page-products .data-strip__cell:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-products .data-strip__cell + .data-strip__cell {
  padding-left: 18px;
}

.page-products .data-strip__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .data-strip__val {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 功能目录 ---------- */

.page-products .fn-index__rows {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--fn-rule);
}

.page-products .fn-index__row {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 20px 0 20px 14px;
  border-bottom: var(--fn-rule);
  transition: background var(--t-fast);
}

.page-products .fn-index__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--lime);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t-fast);
}

.page-products .fn-index__row:hover,
.page-products .fn-index__row:focus-within {
  background: var(--lime-soft);
}

.page-products .fn-index__row:hover::before,
.page-products .fn-index__row:focus-within::before {
  transform: scaleY(1);
}

.page-products .fn-index__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .fn-index__body h3 {
  margin: 0 0 8px;
}

.page-products .fn-index__link {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.2;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-products .fn-index__link:hover,
.page-products .fn-index__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-products .fn-index__desc {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .fn-index__spec {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-products .fn-index__spec-row {
  display: grid;
  gap: 3px;
}

.page-products .fn-index__spec dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .fn-index__spec dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink);
}

/* ---------- 双栏 ---------- */

.page-products .fn-split {
  display: grid;
  gap: var(--fn-gap);
  align-items: start;
}

.page-products .fn-split__body {
  min-width: 0;
}

.page-products .fn-hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .fn-hint a,
.page-products .fn-card__list a,
.page-products .fn-card__lede a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.35);
}

.page-products .fn-hint a:hover,
.page-products .fn-card__list a:hover,
.page-products .fn-hint a:focus-visible,
.page-products .fn-card__list a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 标签切换 ---------- */

.page-products .fn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .fn-chip {
  appearance: none;
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  color: var(--ink);
  background: rgba(6, 10, 15, 0.62);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.page-products .fn-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-products .fn-chip[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--carbon);
  font-weight: 700;
}

.page-products .fn-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .fn-panel {
  display: block;
}

.page-products .fn-panel + .fn-panel {
  margin-top: 18px;
}

.page-products .fn-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
  color: var(--ink);
}

/* ---------- 规格表 ---------- */

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: var(--fn-rule);
  background: rgba(6, 10, 15, 0.5);
}

.page-products .fn-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .fn-table th,
.page-products .fn-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.65;
}

.page-products .fn-table thead th {
  font-size: 12px;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--steel);
  background: var(--carbon);
  white-space: nowrap;
}

.page-products .fn-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .fn-table tbody td {
  color: var(--steel);
}

.page-products .fn-table tbody tr:nth-child(even) {
  background: rgba(27, 44, 63, 0.24);
}

.page-products .fn-table tbody tr:hover {
  background: var(--lime-soft);
}

.page-products .fn-table tbody tr:hover th {
  color: var(--lime);
}

.page-products .fn-table td.mono,
.page-products .fn-table .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--lime);
}

/* ---------- 事实清单 ---------- */

.page-products .fn-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--fn-rule);
}

.page-products .fn-facts__item {
  padding: 16px 0 16px 14px;
  border-bottom: var(--fn-rule);
  border-left: 2px solid var(--line);
}

.page-products .fn-facts__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
}

.page-products .fn-facts__item p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .fn-facts__item--alert {
  border-left-color: var(--alert);
}

.page-products .fn-facts__item--alert h3 {
  color: var(--alert);
}

/* ---------- 卡片 ---------- */

.page-products .fn-cards {
  display: grid;
  gap: 16px;
}

.page-products .fn-card {
  border: var(--fn-rule);
  border-top: 2px solid var(--line);
  background: rgba(6, 10, 15, 0.52);
  padding: 20px;
}

.page-products .fn-card--cyan {
  border-top-color: var(--cyan);
}

.page-products .fn-card--lime {
  border-top-color: var(--lime);
}

.page-products .fn-card--alert {
  border-top-color: var(--alert);
}

.page-products .fn-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink);
}

.page-products .fn-card__lede {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .fn-card p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .fn-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .fn-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .fn-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--lime);
}

/* ---------- 图片框 ---------- */

.page-products .media-frame {
  margin: 0;
  border: var(--fn-rule);
  background: var(--pitch);
  overflow: hidden;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.page-products .media-frame__caption {
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  background: rgba(6, 10, 15, 0.6);
}

.page-products .fn-wide-media {
  margin: clamp(20px, 3vw, 32px) 0;
}

/* ---------- 文字链接箭头 ---------- */

.page-products .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--lime);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid rgba(198, 255, 61, 0.35);
  padding-bottom: 2px;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-products .link-arrow::after {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: width var(--t-fast);
}

.page-products .link-arrow:hover::after,
.page-products .link-arrow:focus-visible::after {
  width: 34px;
}

.page-products .link-arrow:hover,
.page-products .link-arrow:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 焦点态 ---------- */

.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .fn-cards--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .section-head {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-products .fn-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    gap: clamp(28px, 5vw, 64px);
  }

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

@media (min-width: 960px) {
  .page-products .fn-index__row {
    grid-template-columns: 72px minmax(0, 1fr) minmax(0, 24rem);
    gap: 26px;
    align-items: start;
    padding-block: 24px;
  }

  .page-products .fn-index__spec-row {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }

  .page-products .fn-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(30px, 5vw, 60px);
  }

  .page-products .fn-split--reverse .fn-split__media {
    order: -1;
  }
}

@media (min-width: 1180px) {
  .page-products .fn-hero__spec {
    padding: 22px 22px 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fn-index__row,
  .page-products .fn-index__row::before,
  .page-products .section-index,
  .page-products .fn-chip,
  .page-products .link-arrow::after {
    transition: none;
  }
}
<<<END>>>