.page-products {
  --fl-line: rgba(198, 204, 212, .18);
  --fl-line-ink: rgba(30, 38, 48, .14);
  --fl-warm: rgba(255, 106, 26, .10);
  --fl-cool: rgba(27, 110, 156, .12);
  background: var(--c-night);
}

.page-products .fl-desk,
.page-products .fl-board,
.page-products .fl-cases,
.page-products .fl-versions,
.page-products .fl-start,
.page-products .fl-devices,
.page-products .fl-faq,
.page-products .fl-cta {
  padding-top: clamp(52px, 9vw, 96px);
  padding-bottom: clamp(52px, 9vw, 96px);
}

.page-products .fl-head {
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */
.page-products .fl-desk__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-products .fl-desk__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .fl-desk__figure {
  margin: clamp(36px, 6vw, 64px) 0 0;
}

/* ---------- 章节路径 ---------- */
.page-products .fl-chapters__title {
  margin: 0 0 14px;
  color: var(--c-gold);
  font-size: 12px;
  letter-spacing: .18em;
}

.page-products .fl-chapters__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-products .fl-chapters__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 16px;
  border-left: 2px solid var(--fl-line);
  color: var(--c-mist);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .fl-chapters__link .phx-num {
  color: var(--c-gold);
}

.page-products .fl-chapters__link:hover,
.page-products .fl-chapters__link:focus-visible {
  border-left-color: var(--c-ember);
  background: var(--fl-warm);
  color: var(--c-paper);
  padding-left: 22px;
}

/* ---------- 对照台 ---------- */
.page-products .fl-board__grid {
  display: grid;
  gap: 30px;
  margin-top: 38px;
}

.page-products .fl-board__count {
  margin: 0 0 14px;
  color: var(--c-gold);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-products .fl-chips {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .fl-board__columns {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(212px, 78%);
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  -webkit-overflow-scrolling: touch;
}

.page-products .fl-board__columns::-webkit-scrollbar {
  height: 4px;
}

.page-products .fl-board__columns::-webkit-scrollbar-thumb {
  background: var(--c-lake);
  border-radius: 4px;
}

.page-products .fl-team {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 18px 16px;
  border: 1px solid var(--fl-line);
  border-radius: var(--r-organic);
  background: linear-gradient(158deg, rgba(255, 106, 26, .16), rgba(27, 110, 156, .10) 58%, rgba(14, 17, 24, 0) 100%);
}

.page-products .fl-team::before {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-ember), var(--c-gold));
}

.page-products .fl-team__id {
  margin: 0;
  color: var(--c-gold);
  font-size: 13px;
  letter-spacing: .1em;
}

.page-products .fl-team__rows {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .fl-team__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--fl-line);
}

.page-products .fl-team__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .fl-team__row dt {
  color: var(--c-mist);
  font-size: 13px;
  opacity: .8;
}

.page-products .fl-team__row dd {
  margin: 0;
  color: var(--c-paper);
  font-size: 14px;
  font-weight: 600;
}

/* ---------- 移动端案例合集 ---------- */
.page-products .fl-cases__grid {
  display: grid;
  gap: 32px;
}

.page-products .fl-cases__facts {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-products .fl-cases__facts li {
  color: var(--c-mist);
  font-size: 14px;
}

.page-products .fl-cases__facts .phx-num {
  color: var(--c-ember);
  font-size: 20px;
  font-weight: 700;
  margin-right: 4px;
}

.page-products .fl-cases__figure {
  max-width: 420px;
  margin: 0 auto;
}

.page-products .fl-cases__strip {
  list-style: none;
  margin: 36px 0 0;
  padding: 0 0 16px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 80%);
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .fl-case {
  scroll-snap-align: start;
  padding: 18px 16px;
  border: 1px solid var(--fl-line);
  border-radius: var(--r-md);
  background: rgba(22, 32, 46, .72);
}

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

.page-products .fl-case__title {
  margin: 0 0 8px;
  color: var(--c-paper);
  font-size: 17px;
  line-height: 1.4;
}

.page-products .fl-case__text {
  margin: 0;
  color: var(--c-mist);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 版本演进 ---------- */
.page-products .fl-versions,
.page-products .fl-devices {
  color: var(--c-ink);
}

.page-products .fl-versions .phx-prose,
.page-products .fl-versions .phx-note,
.page-products .fl-devices .phx-prose,
.page-products .fl-devices .phx-note {
  color: var(--c-ink);
}

.page-products .fl-versions__figure,
.page-products .fl-devices__figure,
.page-products .fl-start__figure {
  margin: 34px 0 0;
}

.page-products .fl-timeline {
  list-style: none;
  position: relative;
  margin: 38px 0 0;
  padding: 0 0 0 28px;
  display: grid;
  gap: 10px;
}

.page-products .fl-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-gold), var(--c-ember) 52%, var(--c-lake));
}

.page-products .fl-stage {
  position: relative;
}

.page-products .fl-stage__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  list-style: none;
  cursor: pointer;
  border-radius: var(--r-sm);
  transition: background-color var(--dur) var(--ease);
}

.page-products .fl-stage__sum::-webkit-details-marker {
  display: none;
}

.page-products .fl-stage__sum:hover {
  background: rgba(255, 106, 26, .08);
}

.page-products .fl-stage__dot {
  position: absolute;
  left: -26px;
  top: 21px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(224, 179, 84, .24);
}

.page-products .fl-stage__id {
  color: var(--c-flame);
  font-size: 13px;
  letter-spacing: .1em;
}

.page-products .fl-stage__name {
  color: var(--c-ink);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-products .fl-stage__panel {
  padding: 4px 14px 16px;
  max-width: 60ch;
}

.page-products .fl-stage__panel p {
  margin: 0;
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 三步开始使用 ---------- */
.page-products .fl-steps {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-products .fl-step {
  position: relative;
  padding-top: 58px;
}

.page-products .fl-step__num {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 2px solid var(--c-ember);
  border-radius: 50%;
  background: var(--c-night);
  color: var(--c-paper);
  font-size: 15px;
  letter-spacing: .04em;
}

.page-products .fl-step__title {
  margin: 0 0 10px;
  color: var(--c-paper);
  font-size: 20px;
  line-height: 1.4;
}

.page-products .fl-step__text {
  margin: 0;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.78;
  max-width: 40ch;
}

/* ---------- 终端适配 ---------- */
.page-products .fl-devices__table {
  margin-top: 32px;
}

.page-products .fl-cell {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
}

.page-products .fl-cell--fast {
  background: rgba(46, 139, 106, .18);
  color: #1F6B50;
}

.page-products .fl-cell--mid {
  background: rgba(224, 179, 84, .24);
  color: #7A5A12;
}

.page-products .fl-devices__note {
  margin-top: 14px;
}

/* ---------- 常见疑问 ---------- */
.page-products .fl-faq__list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .fl-faq__item {
  padding: 22px 20px;
  border: 1px solid var(--fl-line);
  border-left: 3px solid var(--c-ember);
  border-radius: var(--r-md);
  background: rgba(22, 32, 46, .6);
}

.page-products .fl-faq__q {
  margin: 0 0 10px;
  color: var(--c-paper);
  font-size: 18px;
  line-height: 1.45;
}

.page-products .fl-faq__a {
  margin: 0 0 14px;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.78;
  max-width: 56ch;
}

.page-products .fl-faq__link {
  display: inline-block;
  color: var(--c-gold);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 179, 84, .45);
  padding-bottom: 2px;
}

.page-products .fl-faq__link:hover,
.page-products .fl-faq__link:focus-visible {
  color: var(--c-ember);
  border-bottom-color: var(--c-ember);
}

.page-products .fl-faq__foot {
  margin: 26px 0 0;
  color: var(--c-mist);
  font-size: 15px;
}

.page-products .fl-faq__foot a {
  color: var(--c-lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 110, 156, .5);
}

.page-products .fl-faq__foot a:hover,
.page-products .fl-faq__foot a:focus-visible {
  color: var(--c-gold);
  border-bottom-color: var(--c-gold);
}

/* ---------- 收尾 ---------- */
.page-products .fl-cta__inner {
  max-width: 62ch;
}

.page-products .fl-cta .phx-prose {
  color: var(--c-mist);
}

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

/* ---------- 平板及以上 ---------- */
@media (min-width: 900px) {
  .page-products .fl-desk__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: end;
  }

  .page-products .fl-board__grid {
    grid-template-columns: 3fr 9fr;
    gap: 42px;
    align-items: start;
  }

  .page-products .fl-board__columns {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .fl-cases__grid {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
    align-items: center;
  }

  .page-products .fl-cases__figure {
    max-width: none;
    margin: 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .fl-cases__strip {
    grid-auto-columns: minmax(0, calc((100% - 28px) / 3));
  }

  .page-products .fl-steps {
    position: relative;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-products .fl-steps::before {
    content: "";
    position: absolute;
    left: 6%;
    right: 6%;
    top: 23px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--c-ember), var(--c-gold), var(--c-lake));
    opacity: .55;
  }

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

  .page-products .fl-timeline {
    padding-left: 34px;
  }

  .page-products .fl-stage__dot {
    left: -32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fl-chapters__link,
  .page-products .fl-stage__sum {
    transition: none;
  }
}