.page-products {
  --pp-sec: 56px;
  background: var(--deep);
  color: var(--fog);
  position: relative;
  overflow-x: hidden;
}

.page-products .pp-section {
  position: relative;
  padding: var(--pp-sec) 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-section--alt {
  background: linear-gradient(180deg, rgba(13, 21, 38, .92), rgba(6, 10, 20, .1));
}

.page-products .pp-section--final {
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(122, 92, 255, .14), transparent 62%),
    linear-gradient(180deg, rgba(13, 21, 38, .55), rgba(6, 10, 20, .95));
}

.page-products .pp-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 214, .35);
  transition: border-color .18s var(--ease);
}

.page-products .pp-link:hover,
.page-products .pp-link:focus-visible {
  border-color: var(--cyan);
}

/* ---------- 区块头 ---------- */
.page-products .section-head {
  max-width: 46em;
}

.page-products .section-head__index {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .section-head__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--fog);
}

.page-products .section-head__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--haze);
  max-width: 38em;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  isolation: isolate;
  padding: 36px 0 52px;
  overflow: hidden;
}

.page-products .dl-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 50%;
  opacity: .4;
  filter: saturate(.75);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, var(--deep) 8%, rgba(6, 10, 20, .88) 44%, rgba(6, 10, 20, .35) 80%, rgba(6, 10, 20, .62) 100%),
    repeating-linear-gradient(90deg, rgba(30, 44, 74, .35) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-products .dl-hero__inner {
  position: relative;
  z-index: 2;
}

.page-products .dl-hero .eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .dl-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.6vw, 74px);
  line-height: .98;
  letter-spacing: -.025em;
  color: var(--fog);
  max-width: 15em;
}

.page-products .dl-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 237, 247, .8);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .dl-hero__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 32px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--fog);
  font-variant-numeric: tabular-nums;
}

.page-products .dl-hero__unit {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--haze);
}

/* ---------- 打开方式 ---------- */
.page-products .device-deck {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-products .device-card {
  position: relative;
  padding: 24px 20px 26px;
  border: 1px solid var(--line);
  background: linear-gradient(168deg, var(--layer), rgba(6, 10, 20, .7));
  box-shadow: 0 18px 34px -26px rgba(0, 0, 0, .95);
  transition: transform .22s var(--ease), border-color .18s var(--ease);
}

.page-products .device-card::before {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 9px;
  height: 9px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.page-products .device-card:hover,
.page-products .device-card:focus-within {
  transform: translateY(-8px);
  border-color: var(--cyan);
}

.page-products .device-card__k {
  margin: 0;
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-products .device-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--fog);
}

.page-products .device-card__meta {
  margin: 8px 0 0;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .device-card__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-products .device-card__tag {
  display: inline-block;
  margin: 16px 0 0;
  padding: 4px 9px;
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--haze);
  border: 1px solid var(--line);
}

/* ---------- 三步筛选 ---------- */
.page-products .flow {
  list-style: none;
  display: grid;
  gap: 18px;
  margin: 34px 0 0;
  padding: 0;
}

.page-products .flow__step {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  background: rgba(13, 21, 38, .72);
}

.page-products .flow__num {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .flow__num::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--gold);
}

.page-products .flow__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fog);
}

.page-products .flow__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--haze);
}

.page-products .flow-fig {
  margin: 34px 0 0;
  border: 1px solid var(--line);
  background: var(--layer);
}

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

.page-products .flow-fig__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--haze);
}

/* ---------- 面板指标 ---------- */
.page-products .panel-fig {
  margin: 30px 0 0;
  border: 1px solid var(--line);
  background: var(--layer);
  overflow: hidden;
}

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

.page-products .panel-fig__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--haze);
}

.page-products .panel-grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-products .metric-group {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  background: rgba(13, 21, 38, .6);
  transition: border-color .18s var(--ease);
}

.page-products .metric-group[open] {
  border-color: rgba(242, 193, 78, .45);
}

.page-products .metric-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .metric-group__head::-webkit-details-marker {
  display: none;
}

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

.page-products .metric-group__num {
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .metric-group__name {
  flex: 1;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--fog);
}

.page-products .metric-group__count {
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--haze);
}

.page-products .metric-group__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .metric-group[open] .metric-group__head::after {
  content: "−";
}

.page-products .metric-group__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}

.page-products .metric-group__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .metric-group__list li {
  padding: 4px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--haze);
}

.page-products .metric-group__use {
  margin: 14px 0 0;
  padding-left: 11px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(232, 237, 247, .78);
}

.page-products .panel-side {
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(122, 92, 255, .12), rgba(6, 10, 20, .2) 68%);
}

.page-products .panel-side__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fog);
}

.page-products .panel-side__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--haze);
}

.page-products .compare-svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 18px 0 0;
  border: 1px solid var(--line);
  background: rgba(6, 10, 20, .55);
}

.page-products .panel-side__note {
  margin: 12px 0 0;
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--gold);
}

/* ---------- 推送 ---------- */
.page-products .push-fig {
  margin: 30px 0 0;
  border: 1px solid var(--line);
  background: var(--layer);
}

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

.page-products .push-fig__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--haze);
}

.page-products .push-grid {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.page-products .push-config__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--fog);
}

.page-products .push-combo {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .push-combo__row {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .push-combo__label {
  display: block;
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .push-combo__val {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-products .push-night {
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  background: rgba(13, 21, 38, .68);
}

.page-products .push-night__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--haze);
}

.page-products .push-night__btn {
  margin-top: 18px;
}

/* ---------- 版本演进 ---------- */
.page-products .timeline {
  list-style: none;
  margin: 34px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 26px;
}

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

.page-products .timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--deep);
  border: 1px solid var(--gold);
}

.page-products .timeline__year {
  display: block;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .timeline__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--fog);
}

.page-products .timeline__body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--haze);
}

/* ---------- 开始用 ---------- */
.page-products .start-grid {
  display: grid;
  gap: 30px;
}

.page-products .start-main__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--fog);
}

.page-products .start-main__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--haze);
  max-width: 34em;
}

.page-products .start-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-products .start-list__item {
  position: relative;
  padding-left: 42px;
}

.page-products .start-list__num {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .start-list__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--fog);
}

.page-products .start-list__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--haze);
}

.page-products .start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-products .start-actions__note {
  margin: 14px 0 0;
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--haze);
}

.page-products .start-fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--layer);
}

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

.page-products .start-fig__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--haze);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .dl-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-products {
    --pp-sec: 76px;
  }

  .page-products .dl-hero {
    padding: 56px 0 68px;
  }

  .page-products .dl-hero__lead {
    font-size: 16px;
  }

  .page-products .device-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-products .device-deck > .device-card:nth-child(2) {
    margin-top: 20px;
  }

  .page-products .device-deck > .device-card:nth-child(3) {
    margin-top: 40px;
  }

  .page-products .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }

  .page-products .flow__step + .flow__step::after {
    content: "";
    position: absolute;
    left: -34px;
    top: 44px;
    width: 34px;
    height: 1px;
    background: linear-gradient(90deg, var(--line), var(--cyan));
  }

  .page-products .push-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .panel-grid {
    grid-template-columns: 7fr 5fr;
    gap: 32px;
    align-items: start;
  }

  .page-products .start-grid {
    grid-template-columns: 6fr 5fr;
    gap: 44px;
    align-items: start;
  }

  .page-products .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
    row-gap: 30px;
    border-left: none;
    padding-left: 0;
  }

  .page-products .timeline__item {
    padding-left: 22px;
    border-left: 1px solid var(--line);
  }

  .page-products .timeline__item::before {
    left: -5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .device-card,
  .page-products .pp-link,
  .page-products .metric-group {
    transition: none;
  }

  .page-products .device-card:hover,
  .page-products .device-card:focus-within {
    transform: none;
  }
}
<<<END>>>