.page-products {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-products .page-breadcrumb {
  padding-top: clamp(18px, 3vw, 32px);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(56px, 7vw, 104px);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(680px 380px at 84% 16%, rgba(102, 242, 210, 0.1), transparent 70%),
    radial-gradient(520px 320px at 8% 90%, rgba(184, 107, 75, 0.1), transparent 72%);
}

.page-products .prod-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}

.page-products .prod-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 7.2vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-products .prod-hero__lede {
  max-width: 44ch;
  margin: 0;
  font-size: clamp(0.96rem, 1.8vw, 1.06rem);
  line-height: 1.8;
  color: var(--dim);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .prod-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .prod-hero__metaitem dt {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.page-products .prod-hero__metaitem dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  color: var(--bone);
}

/* 平板框架 */
.page-products .prod-hero__stage {
  position: relative;
  padding: 6px 10px 0;
}

.page-products .prod-device {
  position: relative;
  padding: 12px 12px 16px;
  background: linear-gradient(155deg, rgba(20, 24, 26, 0.96), rgba(11, 43, 38, 0.92));
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transform: rotate(-1.6deg);
  box-shadow: 0 34px 70px -38px rgba(0, 0, 0, 0.9);
}

.page-products .prod-device__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 4px 10px;
}

.page-products .prod-device__lg {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.page-products .prod-device__screen {
  display: grid;
  gap: 12px;
  padding: clamp(12px, 2.4vw, 20px);
  background: rgba(11, 43, 38, 0.55);
  border: 1px solid var(--line);
}

.page-products .prod-device__teams {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-products .prod-mrow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-products .prod-mrow:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prod-mrow__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.1rem, 3.4vw, 1.55rem);
  line-height: 1;
}

.page-products .prod-mrow__val--home {
  color: var(--cyan);
  justify-self: start;
}

.page-products .prod-mrow__val--away {
  color: var(--amber);
  justify-self: end;
}

.page-products .prod-mrow__key {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--dim);
  white-space: nowrap;
}

.page-products .prod-device__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--dim);
  text-align: center;
}

.page-products .by-stat.prod-float {
  margin-top: 16px;
  display: grid;
  gap: 3px;
  justify-items: start;
  padding: 14px 18px;
  min-width: 152px;
  background: var(--ink-deep);
  border: 1px solid var(--cyan);
  border-left: 3px solid var(--cyan);
}

.page-products .prod-float .by-stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.8rem, 4.4vw, 2.4rem);
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-float .by-stat__unit {
  font-size: 0.9rem;
  margin-left: 2px;
}

.page-products .prod-float .by-stat__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--dim);
}

/* 首屏主视觉 */
.page-products .prod-visual {
  padding-bottom: clamp(48px, 6vw, 88px);
}

.page-products .prod-visual__fig {
  margin: 0;
}

.page-products .prod-visual__fig .by-figure__frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--stone);
}

.page-products .prod-visual__fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 章节标题组 ---------- */
.page-products .prod-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .prod-head .by-heading {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 4.4vw, 2.9rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-products .prod-head__lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(0.94rem, 1.6vw, 1.04rem);
  line-height: 1.78;
  color: var(--dim);
}

/* 浅色阅读区 */
.page-products .by-section--light {
  background: var(--paper);
  color: var(--ink-deep);
  --line: rgba(20, 24, 26, 0.14);
  --line-strong: rgba(20, 24, 26, 0.3);
  --dim: rgba(20, 24, 26, 0.64);
}

.page-products .by-section--light .by-heading {
  color: var(--ink-deep);
}

.page-products .by-section--light .by-kicker {
  color: var(--stone);
}

/* ---------- 同屏指标 ---------- */
.page-products .prod-metrics__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .prod-metric {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px 18px 20px;
  background: var(--bone);
  border: 1px solid rgba(20, 24, 26, 0.14);
  border-top: 3px solid var(--moss);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-products .prod-metric:hover {
  background: var(--paper);
  border-top-color: var(--clay);
}

.page-products .prod-metric--lift {
  background: var(--ink);
  color: var(--bone);
  border-color: rgba(102, 242, 210, 0.4);
  border-top-color: var(--cyan);
}

.page-products .prod-metric__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-products .prod-metric__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.page-products .prod-metric__name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-products .prod-metric__unit {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--stone);
}

.page-products .prod-metric--lift .prod-metric__unit {
  color: var(--dim);
}

.page-products .prod-metric__nums {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.page-products .prod-metric__home {
  font-size: clamp(1.6rem, 3.4vw, 2rem);
  color: var(--ink-deep);
}

.page-products .prod-metric__away {
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
  color: var(--clay);
}

.page-products .prod-metric__sep {
  font-size: 0.85rem;
  color: var(--slate);
}

.page-products .prod-metric--lift .prod-metric__home {
  color: var(--cyan);
}

.page-products .prod-metric--lift .prod-metric__away {
  color: var(--amber);
}

.page-products .prod-bar {
  display: flex;
  gap: 2px;
  height: 5px;
  background: rgba(20, 24, 26, 0.1);
}

.page-products .prod-bar__home {
  height: 100%;
  background: var(--ink);
}

.page-products .prod-bar__away {
  height: 100%;
  background: var(--clay);
}

.page-products .prod-metric--lift .prod-bar {
  background: rgba(242, 235, 221, 0.14);
}

.page-products .prod-metric--lift .prod-bar__home {
  background: var(--cyan);
}

.page-products .prod-metric--lift .prod-bar__away {
  background: var(--amber);
}

.page-products .prod-metric__note {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.65;
  color: var(--stone);
}

.page-products .prod-metric--lift .prod-metric__note {
  color: rgba(242, 235, 221, 0.72);
}

.page-products .prod-metrics__figure {
  margin: clamp(30px, 4vw, 50px) 0 0;
}

.page-products .prod-metrics__figure .by-figure__frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--stone);
}

.page-products .prod-metrics__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 横向对照 ---------- */
.page-products .prod-views {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .prod-views__link {
  display: inline-block;
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--dim);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color var(--t) var(--ease), background var(--t) var(--ease), border-color var(--t) var(--ease);
}

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

.page-products .prod-band {
  padding-block: clamp(26px, 3.6vw, 44px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-products .prod-band + .prod-band {
  border-top: 1px solid var(--line);
}

.page-products .prod-band__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-products .prod-band__note {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 0.84rem;
  line-height: 1.78;
  color: var(--dim);
}

.page-products .prod-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .prod-pair__side {
  padding: 20px;
  background: linear-gradient(180deg, rgba(20, 24, 26, 0.5), rgba(11, 43, 38, 0.3));
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .prod-pair__side--home {
  border-left: 3px solid var(--cyan);
}

.page-products .prod-pair__side--away {
  border-left: 3px solid var(--amber);
}

.page-products .prod-pair__team {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--dim);
}

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

.page-products .prod-pair__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
  font-size: 0.84rem;
  color: var(--dim);
}

.page-products .prod-pair__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .prod-pair__list .by-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.02rem;
  color: var(--bone);
}

.page-products .by-scroll-x.prod-scroll {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 10px;
}

.page-products .prod-scroll__inner {
  display: flex;
  gap: 12px;
}

.page-products .prod-scroll__inner > .prod-match {
  flex: 0 0 min(84vw, 320px);
  scroll-snap-align: start;
}

.page-products .prod-match {
  display: grid;
  gap: 12px;
  padding: 18px;
  background: var(--ink-deep);
  border: 1px solid var(--line-strong);
  border-bottom: 3px solid var(--slate);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color var(--t) var(--ease);
}

.page-products .prod-match:hover {
  border-bottom-color: var(--cyan);
}

.page-products .prod-match__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .prod-match__stage {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.page-products .prod-match__score {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 2.1rem;
  color: var(--bone);
}

.page-products .prod-match__dash {
  font-size: 1.1rem;
  color: var(--slate);
}

.page-products .prod-match__teams {
  margin: -6px 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-products .prod-match__stats {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-products .prod-match__stats div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
}

.page-products .prod-match__stats div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .prod-match__stats dt {
  font-size: 0.72rem;
  color: var(--dim);
}

.page-products .prod-match__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  color: var(--bone);
}

.page-products .prod-dots {
  display: flex;
  gap: 6px;
  margin-top: 14px;
}

.page-products .prod-dots span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--line-strong);
}

.page-products .prod-dots span.is-on {
  background: var(--cyan);
}

.page-products .prod-rounds {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .prod-round {
  display: grid;
  gap: 6px;
  padding: 18px;
  background: rgba(146, 166, 184, 0.06);
  border: 1px solid var(--line);
}

.page-products .prod-round__no {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-products .prod-round__val {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2rem);
  color: var(--bone);
}

.page-products .prod-round p:last-child {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--dim);
}

.page-products .prod-compare__figure {
  margin: clamp(30px, 4vw, 48px) 0 0;
}

.page-products .prod-compare__figure .by-figure__frame {
  aspect-ratio: 14 / 9;
  overflow: hidden;
  background: var(--ink-deep);
}

.page-products .prod-compare__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 序号回查 ---------- */
.page-products .by-section--deep {
  background: var(--ink-deep);
}

.page-products .prod-index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .prod-plate {
  padding: 20px;
  background: rgba(242, 235, 221, 0.03);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .prod-plate__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .prod-plate__kind {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.page-products .prod-plate__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-products .prod-plate.by-plate .by-plate__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .prod-plate.by-plate .by-plate__row:last-child {
  border-bottom: 0;
}

.page-products .prod-plate .by-plate__key {
  font-size: 0.74rem;
  color: var(--dim);
}

.page-products .prod-plate .by-plate__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  color: var(--bone);
}

.page-products .prod-plate .by-plate__note {
  margin: 14px 0 0;
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--dim);
}

.page-products .prod-index__foot {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--dim);
}

/* ---------- 家庭同看 ---------- */
.page-products .prod-family__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .prod-checks {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  max-width: 520px;
  border-top: 1px solid rgba(20, 24, 26, 0.14);
}

.page-products .prod-checks li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(20, 24, 26, 0.14);
}

.page-products .prod-checks__num {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-products .prod-checks__name {
  font-size: 0.9rem;
  color: var(--ink-deep);
}

.page-products .prod-checks__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-deep);
}

.page-products .prod-family__note {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-products .prod-family__media .by-figure {
  margin: 0;
}

.page-products .prod-family__media .by-figure__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--stone);
}

.page-products .prod-family__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 设备与版本 ---------- */
.page-products .prod-fit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .prod-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  position: relative;
  display: grid;
  gap: 24px;
}

.page-products .prod-timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--slate), transparent);
}

.page-products .prod-timeline__item {
  position: relative;
}

.page-products .prod-timeline__dot {
  position: absolute;
  left: -22px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--slate);
  box-shadow: 0 0 0 4px rgba(146, 166, 184, 0.14);
}

.page-products .prod-timeline__stage {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-products .prod-timeline__item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--bone);
}

.page-products .prod-timeline__item p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.78;
  color: var(--dim);
}

.page-products .prod-fit__media .by-figure {
  margin: 0;
}

.page-products .prod-fit__media .by-figure__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--stone);
}

.page-products .prod-fit__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .prod-fit__accordion {
  margin-top: clamp(30px, 4vw, 52px);
  border-top: 1px solid var(--line);
}

.page-products .prod-fit__accordion .by-accordion__item {
  border-bottom: 1px solid var(--line);
}

.page-products .prod-fit__accordion .by-accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  background: none;
  border: 0;
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 0.94rem;
  text-align: left;
  cursor: pointer;
  transition: color var(--t) var(--ease);
}

.page-products .prod-fit__accordion .by-accordion__trigger:hover {
  color: var(--cyan);
}

.page-products .prod-fit__accordion .by-accordion__icon {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--t) var(--ease);
}

.page-products .prod-fit__accordion [data-open="true"] .by-accordion__icon {
  transform: rotate(-135deg);
}

.page-products .prod-fit__accordion .by-accordion__panel {
  padding: 0 0 18px;
}

.page-products .prod-fit__accordion .by-accordion__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 开始使用 ---------- */
.page-products .prod-start {
  background: var(--ink-deep);
  border-top: 1px solid var(--line);
}

.page-products .prod-start__inner {
  max-width: 920px;
}

.page-products .prod-start .by-heading {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4.6vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-products .prod-start__lede {
  margin: 0;
  max-width: 54ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--dim);
}

.page-products .prod-start__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .prod-start__actions .by-btn {
  font-size: 0.88rem;
}

.page-products .prod-start__meta {
  margin: 22px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-metrics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .prod-device {
    transform: rotate(-3.4deg);
  }

  .page-products .by-stat.prod-float {
    position: absolute;
    right: 6px;
    bottom: 6px;
    margin-top: 0;
    transform: translateY(38%);
  }

  .page-products .prod-hero__stage {
    padding-bottom: 52px;
  }
}

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

  .page-products .prod-family__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .prod-fit__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (min-width: 960px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-products .prod-hero__stage {
    margin-left: clamp(0px, 2vw, 24px);
  }
}

@media (min-width: 1000px) {
  .page-products .prod-metrics__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .prod-metric--lift {
    transform: translateY(-22px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-device,
  .page-products .prod-metric--lift,
  .page-products .by-stat.prod-float {
    transform: none;
  }

  .page-products .prod-metric,
  .page-products .prod-match,
  .page-products .prod-views__link,
  .page-products .by-accordion__icon {
    transition: none;
  }
}
<<<END>>>