.page-products {
  --pr-cold: #35E3E0;
  --pr-warm: #FF7A1A;
}

/* ---------- 面包屑 ---------- */
.page-products .pr-crumb {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  padding-top: 30px;
  padding-bottom: 40px;
}

.page-products .pr-hero__grid {
  display: grid;
  gap: 34px;
}

.page-products .pr-hero__title {
  margin-top: 14px;
  max-width: 17ch;
}

.page-products .pr-hero__lead {
  margin-top: 20px;
  max-width: 60ch;
}

.page-products .pr-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--fb-hairline);
  border: 1px solid var(--fb-hairline);
}

.page-products .pr-fact {
  background: var(--fb-ink-700);
  padding: 18px 16px 16px;
}

.page-products .pr-fact__val {
  margin: 0 0 8px;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--fb-text-muted);
}

.page-products .pr-fact__num {
  display: inline-block;
  font-size: 30px;
  line-height: 1;
  vertical-align: -4px;
  margin-right: 4px;
}

.page-products .pr-fact__unit {
  margin-left: 3px;
}

.page-products .pr-fact__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--fb-text-muted);
}

/* ---------- 通用小节头 ---------- */
.page-products .pr-sechead {
  max-width: 68ch;
  margin-bottom: 32px;
}

.page-products .pr-sechead h2 {
  margin-top: 12px;
}

.page-products .pr-sechead__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--fb-text-muted);
  max-width: 62ch;
}

/* ---------- 首屏对比图 ---------- */
.page-products .pr-visual {
  padding-top: 0;
  padding-bottom: 12px;
}

/* ---------- 选路卡片 ---------- */
.page-products .pr-pick__grid {
  display: grid;
  gap: 22px;
}

.page-products .pr-pick__card {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--fb-ink-700);
  border: 1px solid var(--fb-hairline);
  transition: transform var(--fb-ease), border-color var(--fb-ease);
}

.page-products .pr-pick__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
}

.page-products .pr-pick__card--cold::before {
  background: var(--pr-cold);
}

.page-products .pr-pick__card--warm::before {
  background: var(--pr-warm);
}

.page-products .pr-pick__card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, .28);
}

.page-products .pr-pick__card h3 {
  margin: 16px 0 10px;
}

.page-products .pr-pick__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fb-text-muted);
}

.page-products .pr-pick__list {
  margin: 18px 0 22px;
}

.page-products .pr-pick__cta {
  display: inline-block;
}

/* ---------- 能力对照矩阵 ---------- */
.page-products .pr-matrix {
  border-top: 1px solid var(--fb-hairline);
}

.page-products .pr-matrix__head,
.page-products .pr-matrix__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--fb-hairline);
}

.page-products .pr-matrix__head {
  padding-bottom: 14px;
}

.page-products .pr-matrix__corner {
  display: none;
}

.page-products .pr-matrix__colhead {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .06em;
  padding: 8px 12px;
}

.page-products .pr-matrix__colhead--cold {
  color: var(--pr-cold);
  border-left: 3px solid var(--pr-cold);
  background: rgba(53, 227, 224, .07);
}

.page-products .pr-matrix__colhead--warm {
  color: var(--pr-warm);
  border-left: 3px solid var(--pr-warm);
  background: rgba(255, 122, 26, .08);
}

.page-products .pr-matrix__colnum {
  font-size: 17px;
}

.page-products .pr-matrix__label {
  margin: 0;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--fb-text);
  text-transform: uppercase;
}

.page-products .pr-matrix__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fb-text-muted);
  padding-left: 12px;
  border-left: 1px solid var(--fb-hairline);
}

.page-products .pr-matrix__val--cold {
  border-left-color: rgba(53, 227, 224, .45);
}

.page-products .pr-matrix__val--warm {
  border-left-color: rgba(255, 122, 26, .45);
}

.page-products .pr-matrix__row--key {
  background: rgba(255, 255, 255, .025);
}

.page-products .pr-inline-num {
  font-size: 21px;
  vertical-align: -2px;
}

/* ---------- 一步直达演示 ---------- */
.page-products .pr-steps__demo {
  display: grid;
  gap: 18px;
  margin-bottom: 36px;
}

.page-products .pr-path {
  padding: 20px 18px;
  border: 1px solid var(--fb-hairline);
  background: rgba(10, 24, 38, .55);
}

.page-products .pr-path--new {
  border-color: rgba(53, 227, 224, .5);
  background: rgba(53, 227, 224, .06);
}

.page-products .pr-path__label {
  margin: 0 0 16px;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--fb-text-muted);
}

.page-products .pr-path--new .pr-path__label {
  color: var(--pr-cold);
}

.page-products .pr-path__nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 10px;
}

.page-products .pr-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  flex: 1 1 auto;
  min-width: 0;
  padding: 10px 14px;
  background: var(--fb-ink-700);
  border: 1px solid var(--fb-hairline);
}

.page-products .pr-node--solo {
  background: rgba(53, 227, 224, .1);
  border-color: rgba(53, 227, 224, .45);
}

.page-products .pr-node__num {
  flex: none;
  font-size: 19px;
  line-height: 1;
}

.page-products .pr-node__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fb-text);
}

.page-products .pr-path--old .pr-node::after {
  content: "";
  position: absolute;
  right: -11px;
  top: 50%;
  width: 12px;
  height: 1px;
  background: var(--fb-hairline);
}

.page-products .pr-path--old .pr-node:last-child::after {
  display: none;
}

.page-products .pr-steps__figure {
  margin: 0;
}

/* ---------- 集锦评测 ---------- */
.page-products .pr-eval__grid {
  display: grid;
  gap: 16px;
  margin-bottom: 40px;
}

.page-products .pr-eval__card {
  padding: 20px 18px;
  background: rgba(10, 24, 38, .5);
  border: 1px solid var(--fb-hairline);
}

.page-products .pr-eval__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-products .pr-eval__name {
  margin: 0;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--fb-text);
}

.page-products .pr-eval__score {
  font-size: 30px;
  line-height: 1;
}

.page-products .pr-eval__meter {
  height: 6px;
  background: rgba(255, 255, 255, .09);
  overflow: hidden;
}

.page-products .pr-eval__fill {
  display: block;
  height: 100%;
  width: var(--w, 0%);
  background: linear-gradient(90deg, var(--pr-cold), var(--pr-warm));
}

.page-products .pr-eval__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fb-text-muted);
}

.page-products .pr-eval__figure {
  margin: 0;
}

/* ---------- 小屏与桌面差异 ---------- */
.page-products .pr-screen__grid {
  display: grid;
  gap: 32px;
}

.page-products .pr-screen__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--fb-text-muted);
  max-width: 56ch;
}

.page-products .pr-screen__list {
  margin: 22px 0 0;
}

.page-products .pr-screen__list strong {
  color: var(--fb-text);
  font-weight: 600;
}

.page-products .pr-screen__note {
  margin: 24px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--fb-turf);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fb-text-muted);
}

.page-products .pr-screen__figure {
  margin: 0;
}

/* ---------- 版本演进 ---------- */
.page-products .pr-track__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 1px solid rgba(255, 255, 255, .2);
}

.page-products .pr-mile {
  position: relative;
  padding: 0 0 34px 6px;
}

.page-products .pr-mile:last-child {
  padding-bottom: 0;
}

.page-products .pr-mile__marker {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--fb-ink-900);
  border: 2px solid var(--fb-orange);
}

.page-products .pr-mile__ver {
  margin: 0 0 8px;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--fb-orange);
}

.page-products .pr-mile__title {
  margin: 0 0 8px;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--fb-text);
}

.page-products .pr-mile__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fb-text-muted);
  max-width: 60ch;
}

/* ---------- 首次使用 ---------- */
.page-products .pr-start__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--fb-hairline);
  border: 1px solid var(--fb-hairline);
}

.page-products .pr-start__step {
  background: var(--fb-ink-900);
  padding: 24px 20px;
}

.page-products .pr-start__num {
  display: block;
  font-size: 34px;
  line-height: 1;
  margin-bottom: 14px;
}

.page-products .pr-start__title {
  margin: 0 0 8px;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--fb-text);
}

.page-products .pr-start__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fb-text-muted);
}

.page-products .pr-start__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

/* ---------- 接着看 ---------- */
.page-products .pr-more {
  padding-bottom: 72px;
}

.page-products .pr-more__grid {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  background: var(--fb-hairline);
  border: 1px solid var(--fb-hairline);
}

.page-products .pr-more__item {
  display: block;
  padding: 22px 20px;
  background: var(--fb-ink-700);
  text-decoration: none;
  transition: background var(--fb-ease);
}

.page-products .pr-more__item:hover,
.page-products .pr-more__item:focus-visible {
  background: var(--fb-ink-900);
}

.page-products .pr-more__kicker {
  display: block;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--fb-cyan);
  margin-bottom: 10px;
}

.page-products .pr-more__title {
  margin: 0;
  font-family: var(--fb-font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--fb-text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pr-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pr-pick__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .pr-eval__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pr-start__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pr-more__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .pr-matrix__head,
  .page-products .pr-matrix__row {
    grid-template-columns: 190px minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .pr-matrix__corner {
    display: block;
  }

  .page-products .pr-matrix__head {
    border-bottom-color: rgba(255, 255, 255, .18);
  }

  .page-products .pr-matrix__colhead {
    padding: 10px 14px;
  }

  .page-products .pr-matrix__label {
    padding-top: 2px;
  }

  .page-products .pr-steps__demo {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-products .pr-path__nodes {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 12px;
  }

  .page-products .pr-path--old .pr-node::after {
    right: auto;
    left: 50%;
    top: auto;
    bottom: -13px;
    width: 1px;
    height: 13px;
  }

  .page-products .pr-screen__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .pr-track__list {
    max-width: 820px;
  }

  .page-products .pr-start__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pr-more__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-products .pr-eval__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-pick__card,
  .page-products .pr-more__item {
    transition: none;
  }

  .page-products .pr-pick__card:hover {
    transform: none;
  }
}
<<<END>>>

.page-products {
  --w: 1rem;
}