.page-products .cat-section {
  padding-block: clamp(38px, 6vw, 68px);
}

.page-products .cat-section--tint {
  background: linear-gradient(180deg, rgba(16, 42, 76, .72) 0%, rgba(10, 23, 48, .9) 100%);
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .cat-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-products .cat-eyebrow {
  color: var(--teal-soft);
  margin: 0 0 10px;
}

.page-products .cat-h2 {
  font-size: clamp(24px, 3.9vw, 38px);
  line-height: 1.24;
  letter-spacing: .05em;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-products .cat-lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(242, 239, 230, .8);
  margin: 0;
}

.page-products .cat-note {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 239, 230, .62);
  border-left: 2px solid var(--hair);
  padding-left: 12px;
  margin: 16px 0 0;
}

/* 首屏框景 */
.page-products .cat-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(14px, 3vw, 28px);
}

.page-products .cat-hero__frame {
  position: relative;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  padding: clamp(22px, 4.6vw, 52px);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(47, 182, 166, .12), transparent 58%),
    radial-gradient(90% 120% at 100% 100%, rgba(198, 138, 58, .1), transparent 60%),
    linear-gradient(165deg, var(--ink-800) 0%, var(--ink-900) 64%);
  overflow: hidden;
}

.page-products .cat-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--hair) 0 1px, transparent 1px 14px);
  opacity: .9;
}

.page-products .cat-hero__index {
  color: var(--gold);
  margin: 0 0 14px;
}

.page-products .cat-hero__title {
  font-size: clamp(29px, 6.4vw, 60px);
  line-height: 1.14;
  letter-spacing: .06em;
  font-weight: 800;
  color: var(--paper);
  margin: 0 0 18px;
  max-width: 20ch;
}

.page-products .cat-hero__lede {
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.85;
  color: rgba(242, 239, 230, .82);
  max-width: 52ch;
  margin: 0;
}

.page-products .cat-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-top: clamp(22px, 3.4vw, 34px);
  padding-top: 18px;
  border-top: 1px solid var(--hair-soft);
}

.page-products .cat-hero__meta-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 239, 230, .68);
}

.page-products .cat-hero__meta-num {
  font-family: var(--mono);
  font-size: 22px;
  line-height: 1.1;
  color: var(--teal-soft);
  flex: 0 0 auto;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

/* 三步进度带 */
.page-products .steps {
  list-style: none;
  margin: 0 0 clamp(22px, 3.6vw, 32px);
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: stepcounter;
}

.page-products .step {
  position: relative;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: var(--ink-800);
  padding: 22px 20px 20px;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.page-products .step::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--teal);
  opacity: .38;
  transition: opacity .18s ease;
}

.page-products .step:nth-child(2)::after { background: var(--teal-soft); }
.page-products .step:nth-child(3)::after { background: var(--ochre); }

.page-products .step:hover,
.page-products .step:focus-within {
  border-color: var(--teal);
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-products .step:hover::after,
.page-products .step:focus-within::after { opacity: 1; }

.page-products .step__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .step__title {
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: .05em;
  margin: 8px 0 8px;
  color: var(--paper);
}

.page-products .step__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 239, 230, .78);
}

.page-products .step__tag {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--teal-soft);
  border: 1px solid rgba(122, 216, 203, .34);
  padding: 3px 8px;
  border-radius: var(--radius);
}

/* 图片 */
.page-products .cat-figure {
  margin: clamp(22px, 3.6vw, 34px) 0 0;
}

.page-products .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: var(--ink-700);
}

.page-products .media__caption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--line);
  margin-top: 10px;
}

/* 分栏 */
.page-products .cat-split {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
  align-items: start;
}

.page-products .cat-split .cat-head { margin-bottom: 0; }

.page-products .cat-split .cat-figure { margin-top: 0; }

/* 频道目录 */
.page-products .catalog__grid {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-products .catalog__group {
  border-top: 1px solid var(--hair);
  padding-top: 14px;
}

.page-products .group__title {
  font-size: 17px;
  letter-spacing: .06em;
  margin: 0 0 4px;
  color: var(--paper);
}

.page-products .group__count {
  color: var(--gold);
  margin: 0 0 8px;
}

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

.page-products .entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .entry__no {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--line);
}

.page-products .entry__name {
  font-size: 14px;
  line-height: 1.5;
  color: rgba(242, 239, 230, .9);
}

.page-products .entry__device {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .04em;
  color: var(--teal-soft);
  border: 1px solid rgba(122, 216, 203, .28);
  border-radius: var(--radius);
  padding: 1px 5px;
  white-space: nowrap;
}

/* 会员权益三档 */
.page-products .tiers {
  display: grid;
  gap: 16px;
}

.page-products .tier {
  border: 1px solid var(--hair);
  border-top-width: 3px;
  border-radius: var(--radius);
  background: var(--ink-800);
  padding: 22px 20px 24px;
  transition: border-color .18s ease, background-color .18s ease;
}

.page-products .tier:hover,
.page-products .tier:focus-within {
  background: var(--ink-700);
}

.page-products .tier--basic { border-top-color: var(--teal); }
.page-products .tier--tool { border-top-color: var(--paper); }
.page-products .tier--service { border-top-color: var(--ochre); }

.page-products .tier:hover { border-color: var(--hair); }

.page-products .tier__label {
  color: var(--line);
  margin: 0 0 8px;
}

.page-products .tier__name {
  font-size: clamp(20px, 2.6vw, 24px);
  letter-spacing: .06em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .tier__for {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 239, 230, .62);
  margin: 0 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair-soft);
}

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

.page-products .tier__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 239, 230, .84);
  margin-bottom: 8px;
}

.page-products .tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--teal);
}

.page-products .tier--tool .tier__list li::before { background: var(--paper); }
.page-products .tier--service .tier__list li::before { background: var(--ochre); }

.page-products .cat-figure--tiers {
  max-width: 720px;
}

/* 设备场景 */
.page-products .device-art {
  color: var(--teal);
  padding: 6px 0 0;
}

.page-products .device-svg {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
}

.page-products .devices {
  margin-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--hair);
}

.page-products .device-row {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .device-row__title {
  font-size: 18px;
  letter-spacing: .06em;
  margin: 0 0 4px;
  color: var(--paper);
}

.page-products .device-row__note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--line);
  margin: 0;
}

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

.page-products .device-row__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 239, 230, .82);
}

.page-products .scene-no {
  color: var(--gold);
}

/* 订阅与导出 */
.page-products .export {
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(23, 58, 94, .42);
  padding: 22px 20px;
}

.page-products .export__title {
  font-size: 17px;
  letter-spacing: .05em;
  margin: 0 0 16px;
  color: var(--paper);
}

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

.page-products .export__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-products .export__item:first-child { border-top: 0; padding-top: 0; }

.page-products .export__no { color: var(--gold); }

.page-products .export__name {
  font-size: 15px;
  margin: 0 0 4px;
  color: var(--paper);
  letter-spacing: .04em;
}

.page-products .export__desc {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(242, 239, 230, .68);
  margin: 0;
}

.page-products .cat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
}

.page-products .cat-figure--export {
  max-width: 760px;
}

/* 下一步 */
.page-products .next__grid {
  display: grid;
  gap: 16px;
}

.page-products .next__card {
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  padding: 22px 20px;
  background: rgba(10, 23, 48, .5);
  transition: border-color .18s ease, background-color .18s ease;
}

.page-products .next__card:hover,
.page-products .next__card:focus-within {
  border-color: var(--teal);
  background: rgba(23, 58, 94, .55);
}

.page-products .next__tag {
  color: var(--ochre);
  margin: 0 0 8px;
}

.page-products .next__title {
  font-size: 18px;
  letter-spacing: .05em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .next__desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 239, 230, .76);
  margin: 0 0 16px;
}

.page-products .next__link {
  display: inline-block;
  font-size: 14px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 182, 166, .45);
  padding-bottom: 2px;
  transition: color .16s ease, border-color .16s ease;
}

.page-products .next__link:hover,
.page-products .next__link:focus-visible {
  color: var(--teal-soft);
  border-color: var(--teal-soft);
}

.page-products .cat-footline {
  margin-top: clamp(22px, 3.4vw, 32px);
  padding-top: 18px;
  border-top: 1px solid var(--hair-soft);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 239, 230, .66);
}

.page-products .cat-footline p { margin: 0; }

.page-products .cat-footline a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 182, 166, .4);
}

.page-products .cat-footline a:hover,
.page-products .cat-footline a:focus-visible {
  color: var(--teal-soft);
  border-color: var(--teal-soft);
}

/* 断点 */
@media (min-width: 560px) {
  .page-products .catalog__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .tier:nth-child(2) { margin-top: 14px; }
  .page-products .tier:nth-child(3) { margin-top: 28px; }

  .page-products .device-row {
    grid-template-columns: minmax(160px, 220px) minmax(0, 1fr);
    gap: clamp(16px, 3vw, 32px);
  }

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

@media (min-width: 960px) {
  .page-products .cat-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-products .cat-split--wide {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .step,
  .page-products .tier,
  .page-products .next__card,
  .page-products .next__link {
    transition: none;
  }

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