.page-products {
  --cat-card-bg: linear-gradient(158deg, rgba(22, 34, 58, .78), rgba(7, 12, 22, .86));
  --cat-card-bg-hi: linear-gradient(158deg, rgba(27, 158, 144, .14), rgba(7, 12, 22, .9));
  --cat-gap: 14px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 26px;
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 68% at 18% 0%, rgba(63, 227, 206, .16), transparent 70%),
    radial-gradient(48% 58% at 92% 8%, rgba(255, 143, 60, .11), transparent 74%);
  pointer-events: none;
}

.page-products .cat-hero__inner {
  position: relative;
  display: grid;
  gap: 26px;
}

.page-products .cat-hero__text h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-products .cat-hero__lede {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.page-products .cat-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}

.page-products .cat-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .cat-fact__key {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-products .cat-fact__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.6vw, 30px);
  font-weight: 600;
  color: var(--cyan);
  line-height: 1.2;
}

.page-products .cat-hero__frame {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 通用区块 ---------- */
.page-products .cat-block {
  padding: 54px 0 12px;
}

.page-products .cat-block__sub {
  margin: 10px 0 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .cat-lead {
  margin: 0 0 24px;
  max-width: 52em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .cat-tail {
  margin: 26px 0 0;
  max-width: 52em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .cat-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}

.page-products .cat-inline:hover {
  color: var(--amber-soft);
  border-bottom-color: rgba(255, 143, 60, .5);
}

.page-products .chapter {
  margin-bottom: 22px;
}

.page-products .chapter__index {
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-products .chapter__title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-products .chapter__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

/* ---------- 筛选栏 ---------- */
.page-products .cat-filter {
  margin: 18px 0 20px;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 栏目卡片网格 ---------- */
.page-products .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
}

.page-products .cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--cat-card-bg);
  transition: transform 120ms var(--ease), border-color 120ms var(--ease), background 120ms var(--ease);
}

.page-products .cat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  width: 34px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-products .cat-card:hover,
.page-products .cat-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--cat-card-bg-hi);
}

.page-products .cat-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .cat-card__no {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
  text-shadow: none;
}

.page-products .cat-card__freq {
  padding: 3px 10px;
  border: 1px solid rgba(255, 143, 60, .42);
  border-radius: var(--r-pill);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--amber-soft);
  white-space: nowrap;
}

.page-products .cat-card__name {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-products .cat-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .cat-card__note {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: rgba(154, 172, 198, .78);
}

.page-products .cat-card__link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
}

.page-products .cat-card__link:hover {
  color: var(--amber-soft);
}

.page-products .filter-empty {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 通用两栏 ---------- */
.page-products .cat-split {
  display: grid;
  gap: 24px;
}

.page-products .cat-split__body p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .cat-split__body p:last-child {
  margin-bottom: 0;
}

.page-products .cat-split__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .cat-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .cat-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .cat-list li::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-products .cat-list--tight li {
  font-size: 14px;
}

/* ---------- 折叠 ---------- */
.page-products .cat-fold {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
  padding: 0 16px;
}

.page-products .cat-fold .fold__head {
  width: 100%;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
}

.page-products .cat-fold .fold__panel {
  padding-bottom: 14px;
}

.page-products .cat-fold .cat-list {
  margin-top: 4px;
}

/* ---------- 专栏引述 ---------- */
.page-products .cat-quote {
  margin-top: 22px;
  padding: 18px 18px 16px;
  border-left: 2px solid var(--cyan);
  background: var(--glass);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-products .cat-quote__text {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .cat-quote__by {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

/* ---------- 球队库 ---------- */
.page-products .cat-library__shot {
  margin: 0 0 22px;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .cat-dims {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .cat-dim {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan-deep);
  border-radius: var(--r-sm);
  background: var(--glass);
}

.page-products .cat-dim__key {
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-products .cat-dim__name {
  display: block;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.page-products .cat-dim p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 三步指南 ---------- */
.page-products .cat-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-step {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--cat-card-bg);
}

.page-products .cat-step__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-products .cat-step__name {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.page-products .cat-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-products .cat-rhythm {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .cat-rhythm__item {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--cat-card-bg);
}

.page-products .cat-rhythm__item--daily {
  border-top: 2px solid var(--cyan);
}

.page-products .cat-rhythm__item--weekly {
  border-top: 2px solid var(--cyan-deep);
}

.page-products .cat-rhythm__item--break {
  border-top: 2px solid var(--amber);
}

.page-products .cat-rhythm__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-products .cat-rhythm__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--text);
}

.page-products .cat-rhythm__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-products .cat-outro {
  margin-top: 40px;
  padding: 22px 20px;
  border-radius: var(--r-md);
}

.page-products .cat-outro p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .cat-outro p:last-child {
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .cat-split {
    grid-template-columns: 1.12fr .88fr;
    align-items: start;
    gap: 44px;
  }

  .page-products .cat-split--flip .cat-split__media {
    order: -1;
  }

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

@media (min-width: 960px) {
  .page-products .cat-hero {
    padding: 34px 0 40px;
  }

  .page-products .cat-hero__inner {
    grid-template-columns: 1.06fr .94fr;
    align-items: center;
    gap: 52px;
  }

  .page-products .cat-hero__actions {
    margin-bottom: 32px;
  }

  .page-products .cat-block {
    padding-top: 76px;
  }
}

@media (min-width: 1080px) {
  .page-products .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .cat-card {
    padding: 24px 22px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-card {
    transition: none;
  }

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