.page-products {
  --cat-gap: clamp(20px, 3vw, 40px);
  --cat-shadow: 6px 6px 0 var(--ink-shadow);
  --cat-shadow-sm: 4px 4px 0 rgba(20, 23, 28, 0.85);
  color: var(--text-ink);
}

.page-products .breadcrumb {
  margin-top: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.cat-hero {
  margin-top: clamp(16px, 2.5vw, 28px);
  padding: clamp(28px, 4.5vw, 56px) 0 clamp(32px, 5vw, 60px);
  background:
    radial-gradient(circle at 84% -12%, rgba(232, 181, 74, 0.18), transparent 58%),
    linear-gradient(180deg, var(--ink-navy) 0%, #0d1f37 100%);
  color: var(--paper);
  border-bottom: var(--bw) solid var(--gold);
}

.cat-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
  align-items: end;
}

.cat-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  color: var(--paper);
}

.cat-hero .lede {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 34em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--paper-90);
}

.cat-hero__side {
  border: var(--bw) solid var(--gold-soft);
  border-left: 4px solid var(--gold);
  background: rgba(19, 43, 74, 0.78);
  padding: clamp(16px, 2vw, 24px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.42);
}

.cat-hero__side-title {
  margin: 0 0 14px;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--gold-light);
}

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

.cat-hero__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.cat-hero__list li:last-child a {
  border-bottom: 0;
  padding-bottom: 0;
}

.cat-hero__list a:hover {
  color: var(--gold-light);
}

.cat-hero__list .num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.cat-hero__path {
  margin-top: clamp(28px, 4vw, 48px);
}

/* ---------- 分类图谱 ---------- */
.cat-map {
  margin-top: clamp(32px, 5vw, 64px);
}

.cat-map .media-frame__img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
}

/* ---------- 六个大类 ---------- */
.cat-families__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
  align-items: center;
  margin-bottom: clamp(32px, 5vw, 64px);
}

.cat-families__head .section__title {
  color: var(--paper);
}

.cat-families__head .section__lead {
  color: var(--paper-90);
}

.cat-cards-media .media-frame__img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.cat-family-list {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.cat-family {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: clamp(18px, 2.4vw, 28px);
  border: var(--bw) solid var(--gold-soft);
  background: rgba(19, 43, 74, 0.6);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.34);
}

.cat-family__side {
  padding-left: 14px;
  border-left: 3px solid var(--gold);
}

.cat-family__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.cat-family__name {
  margin: 6px 0 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.cat-family__body p {
  margin: 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-90);
}

.cat-family__tags {
  margin-top: 14px;
}

.cat-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
}

.cat-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  background: rgba(232, 181, 74, 0.1);
  border: 1px solid var(--gold-soft);
}

.cat-family__foot {
  display: flex;
  align-items: flex-end;
}

.cat-family__link {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-decoration: none;
  white-space: nowrap;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--gold-soft);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.cat-family__link:hover {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
}

/* ---------- 标签矩阵 ---------- */
.cat-matrix__label {
  color: var(--coral);
}

.cat-filter {
  margin-top: clamp(20px, 3vw, 32px);
}

.cat-filter__scroller {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 36px), transparent 100%);
  mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 36px), transparent 100%);
}

.cat-filter__scroller .chip {
  flex: 0 0 auto;
  white-space: nowrap;
  scroll-snap-align: start;
}

.cat-filter__hint {
  margin: 2px 0 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.cat-filter__status {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-ink);
  border-left: 3px solid var(--gold);
  padding-left: 12px;
}

.cat-matrix__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
  margin-top: clamp(24px, 3.5vw, 40px);
}

.cat-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.cat-item {
  padding: 16px 18px;
  border: var(--bw) solid var(--text-ink);
  background: #fff;
  box-shadow: var(--cat-shadow-sm);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.cat-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(20, 23, 28, 0.92);
}

.cat-item__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--coral);
}

.cat-item__title {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.cat-item__title a {
  color: var(--ink-navy);
  text-decoration: none;
  border-bottom: 2px solid var(--gold-soft);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.cat-item__title a:hover {
  border-bottom-color: var(--gold);
  color: var(--coral);
}

.cat-item__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: #3b4453;
}

.cat-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
}

.cat-item__meta .cat-tag {
  color: var(--ink-navy);
  background: rgba(232, 181, 74, 0.2);
  border-color: rgba(11, 26, 46, 0.24);
}

.cat-matrix__aside {
  display: grid;
  gap: 18px;
}

.cat-matrix__aside .media-frame__img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.cat-matrix__note {
  padding: 16px 18px;
  border: var(--bw) solid var(--text-ink);
  background: var(--ink-navy-2);
  box-shadow: var(--cat-shadow-sm);
}

.cat-matrix__note p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-90);
}

/* ---------- 常用入口 ---------- */
.cat-entries__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(24px, 3.5vw, 40px);
}

.cat-entry {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: var(--bw) solid var(--gold-soft);
  background: rgba(11, 26, 46, 0.42);
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.cat-entry:hover {
  transform: translate(-2px, -2px);
  border-color: var(--gold);
  background: rgba(11, 26, 46, 0.7);
}

.cat-entry__num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.cat-entry__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.cat-entry__scene {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-70);
}

/* ---------- 内容流转 ---------- */
.cat-flow__label {
  color: var(--gold-light);
}

.cat-flow .section__title,
.cat-closing .section__title {
  color: var(--paper);
}

.cat-flow__media {
  margin-top: clamp(24px, 3.5vw, 40px);
}

.cat-flow__media .media-frame__img {
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  display: block;
}

.cat-flow__timeline {
  margin-top: clamp(28px, 4vw, 48px);
}

.cat-flow__timeline .timeline__meta {
  color: var(--gold-light);
}

.cat-flow__timeline .timeline__title {
  color: var(--paper);
}

.cat-flow__timeline p {
  color: var(--paper-90);
  line-height: 1.8;
  max-width: 34em;
}

/* ---------- 收尾 ---------- */
.cat-closing {
  position: relative;
  overflow: hidden;
  background: var(--ink-navy);
  color: var(--paper);
}

.cat-closing__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.cat-closing__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(6px) saturate(0.7);
  opacity: 0.28;
}

.cat-closing .wrap {
  position: relative;
  z-index: 1;
}

.cat-closing__inner {
  max-width: 820px;
}

.cat-closing__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.cat-closing__lead {
  margin: 16px 0 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--paper-90);
  max-width: 34em;
}

.cat-closing__list {
  list-style: none;
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.cat-closing__list li {
  padding: 16px 18px;
  border-left: 4px solid var(--gold);
  background: rgba(19, 43, 74, 0.72);
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-90);
}

.cat-closing__key {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--gold-light);
}

.cat-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.5vw, 36px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .cat-entries__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .cat-family {
    grid-template-columns: 150px minmax(0, 1fr) auto;
    align-items: start;
    gap: clamp(16px, 2.4vw, 34px);
  }

  .cat-family__foot {
    align-items: flex-start;
    padding-top: 6px;
  }

  .cat-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .cat-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: clamp(32px, 5vw, 80px);
  }

  .cat-families__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .cat-filter__hint {
    display: none;
  }
}

@media (min-width: 960px) {
  .cat-matrix__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .cat-matrix__aside {
    position: sticky;
    top: 104px;
  }

  .cat-entries__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .cat-family__link {
    white-space: normal;
  }

  .cat-closing__actions .btn {
    width: 100%;
  }
}