.page-products {
  --cat-rail-w: 168px;
  --cat-side-w: 216px;
  --cat-gap: clamp(20px, 2.4vw, 34px);
  font-family: var(--font-body);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(232, 201, 122, 0.26), rgba(247, 239, 216, 0) 360px),
    var(--stone);
  overflow-x: clip;
}

.page-products .cat-wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-products .cat-breadcrumbs {
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--warm);
}
.page-products .cat-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-breadcrumbs li::after {
  content: "/";
  margin-left: 8px;
  color: rgba(111, 106, 94, 0.55);
}
.page-products .cat-breadcrumbs li:last-child::after {
  content: "";
  margin: 0;
}
.page-products .cat-breadcrumbs a {
  color: var(--sea);
  text-decoration: none;
}
.page-products .cat-breadcrumbs a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  display: grid;
  gap: 26px;
  padding-block: clamp(20px, 3.6vw, 42px) clamp(28px, 4.4vw, 50px);
}

.page-products .cat-hero__eyebrow {
  display: inline-block;
  margin: 0;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--deep);
  background: var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 64%, calc(100% - 10px) 100%, 0 100%);
}

.page-products .cat-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--deep);
}

.page-products .cat-hero__lead {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: #35322b;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .cat-hero__figure {
  margin: 0;
  overflow: hidden;
  background: linear-gradient(140deg, var(--gold), var(--celadon));
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}
.page-products .cat-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 主栅格 ---------- */
.page-products .cat-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-block: clamp(18px, 2.6vw, 32px) clamp(44px, 6vw, 84px);
}

.page-products .cat-main {
  min-width: 0;
}

/* ---------- 左侧索引轨 ---------- */
.page-products .cat-rail {
  border-top: 3px solid var(--deep);
  padding-top: 12px;
  min-width: 0;
}
.page-products .cat-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--warm);
}
.page-products .cat-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}
.page-products .cat-rail__list li {
  flex: none;
}
.page-products .cat-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 7px 11px;
  font-size: 13px;
  color: var(--deep);
  text-decoration: none;
  background: rgba(255, 253, 246, 0.9);
  border: 1px solid rgba(23, 63, 58, 0.14);
  clip-path: polygon(0 0, 100% 0, 100% 70%, calc(100% - 8px) 100%, 0 100%);
  transition: background 200ms var(--ease), color 200ms var(--ease);
}
.page-products .cat-rail__list a:hover {
  background: var(--gold);
}
.page-products .cat-rail__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brick);
}

/* ---------- 右侧旁注 ---------- */
.page-products .cat-aside {
  display: none;
}
.page-products .cat-aside__box {
  padding: 18px 16px;
  background: var(--deep);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-products .cat-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.page-products .cat-aside__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-products .cat-aside__list a {
  display: block;
  padding-bottom: 8px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 253, 246, 0.16);
  transition: color 200ms var(--ease);
}
.page-products .cat-aside__list li:last-child a {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-products .cat-aside__list a:hover {
  color: var(--gold);
}
.page-products .cat-aside__list a span {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 253, 246, 0.55);
}
.page-products .cat-aside__note {
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(232, 201, 122, 0.42);
  border-left: 4px solid var(--brick);
}
.page-products .cat-aside__note p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: #3a362e;
  word-break: break-word;
}

/* ---------- 章节 ---------- */
.page-products .cat-section {
  padding-block: clamp(26px, 4vw, 46px);
  border-top: 1px solid rgba(23, 63, 58, 0.14);
}
.page-products .cat-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .cat-h {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.016em;
  color: var(--deep);
}
.page-products .cat-h__num {
  flex: none;
  padding: 5px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--deep);
  background: var(--gold);
  transform: translateY(-2px);
  clip-path: polygon(0 0, 100% 0, 100% 62%, calc(100% - 9px) 100%, 0 100%);
}

.page-products .cat-lead {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: #3a362e;
}
.page-products .cat-lead--after {
  margin-top: 18px;
  margin-bottom: 0;
}

.page-products .cat-sub {
  margin: 24px 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--deep);
}

/* ---------- 提示条 ---------- */
.page-products .cat-hint {
  margin: 0 0 22px;
  padding: 14px 16px;
  background: rgba(143, 59, 46, 0.07);
  border-left: 4px solid var(--brick);
}
.page-products .cat-hint__label {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--brick);
}
.page-products .cat-hint p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #35322b;
}
.page-products .cat-hint b {
  font-weight: 700;
  color: var(--deep);
}

/* ---------- 筛选 ---------- */
.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  border: 0;
}
.page-products .filter-btn {
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--deep);
  background: var(--paper);
  border: 1px solid rgba(23, 63, 58, 0.18);
  padding: 8px 14px;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 70%, calc(100% - 9px) 100%, 0 100%);
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}
.page-products .filter-btn:hover {
  background: var(--gold);
}
.page-products .filter-btn.is-active,
.page-products .filter-btn[aria-pressed="true"] {
  background: var(--brick);
  border-color: var(--brick);
  color: var(--paper);
}

/* ---------- 六组清单卡 ---------- */
.page-products .cluster-list {
  display: grid;
  gap: 14px;
}
.page-products .cluster {
  --acc: var(--sea);
  position: relative;
  padding: 18px 18px 16px 22px;
  background: var(--paper);
  box-shadow: 0 1px 0 rgba(23, 63, 58, 0.07), 0 16px 28px -26px rgba(23, 63, 58, 0.85);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.page-products .cluster::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--acc);
}
.page-products .cluster--a { --acc: var(--sea); }
.page-products .cluster--b { --acc: var(--celadon); }
.page-products .cluster--c { --acc: var(--brick); }
.page-products .cluster--d { --acc: var(--indigo); }
.page-products .cluster--e { --acc: var(--gold); }
.page-products .cluster--f { --acc: var(--deep); }

.page-products .cluster__top {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.page-products .cluster__code {
  flex: none;
  padding: 5px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--acc);
  clip-path: polygon(0 0, 100% 0, 100% 64%, calc(100% - 7px) 100%, 0 100%);
}
.page-products .cluster--e .cluster__code {
  color: var(--indigo);
}
.page-products .cluster__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--deep);
}
.page-products .cluster__meta {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--warm);
}
.page-products .cluster__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #3c3830;
}
.page-products .cluster__points {
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .cluster__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: #4a453c;
}
.page-products .cluster__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--acc);
  transform: rotate(45deg);
}
.page-products .cluster__fit {
  margin: 14px 0 0;
  padding: 10px 12px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--deep);
  background: rgba(23, 63, 58, 0.06);
  border-left: 3px solid var(--acc);
}
.page-products .cluster__fit b {
  font-weight: 700;
}

/* ---------- 编号区 ---------- */
.page-products .cat-band {
  margin: 0 0 24px;
  overflow: hidden;
  background: linear-gradient(120deg, var(--stone), var(--gold));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-products .cat-band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .cat-duo {
  display: grid;
  gap: 24px;
}
.page-products .cat-ledger {
  border-top: 2px solid var(--deep);
}
.page-products .cat-ledger__row {
  --k: var(--deep);
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 2px;
  border-bottom: 1px dashed rgba(23, 63, 58, 0.22);
  font-size: 14px;
}
.page-products .cat-ledger__row--a { --k: var(--sea); }
.page-products .cat-ledger__row--b { --k: var(--celadon); }
.page-products .cat-ledger__row--c { --k: var(--brick); }
.page-products .cat-ledger__row--d { --k: var(--indigo); }
.page-products .cat-ledger__row--e { --k: #C9A54B; }
.page-products .cat-ledger__row--f { --k: var(--deep); }

.page-products .cat-ledger__key {
  padding: 3px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--paper);
  background: var(--k);
  clip-path: polygon(0 0, 100% 0, 100% 66%, calc(100% - 7px) 100%, 0 100%);
}
.page-products .cat-ledger__val {
  color: #3c3830;
  line-height: 1.6;
}
.page-products .cat-ledger__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--warm);
  white-space: nowrap;
}

.page-products .cat-square {
  margin: 0;
  overflow: hidden;
  background: linear-gradient(160deg, var(--celadon), var(--indigo));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-products .cat-square img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 同屏对照 ---------- */
.page-products .cat-compare {
  display: grid;
  gap: 14px;
}
.page-products .cmp {
  --acc: var(--celadon);
  padding: 16px 16px 14px;
  background: var(--paper);
  border-top: 4px solid var(--acc);
  box-shadow: 0 14px 26px -26px rgba(23, 63, 58, 0.9);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}
.page-products .cmp--c { --acc: var(--brick); }
.page-products .cmp--e { --acc: #C9A54B; }

.page-products .cmp__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--warm);
}
.page-products .cmp h3 {
  margin: 6px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--deep);
}
.page-products .cmp dl {
  display: grid;
  gap: 9px;
  margin: 0;
}
.page-products .cmp dl > div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
}
.page-products .cmp dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--warm);
}
.page-products .cmp dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.66;
  color: #3c3830;
}

/* ---------- 图文双栏 ---------- */
.page-products .cat-side-media {
  display: grid;
  gap: 22px;
}
.page-products .cat-shot {
  margin: 0;
  overflow: hidden;
  background: linear-gradient(140deg, var(--paper), var(--gold));
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-products .cat-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .cat-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-facts li {
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--deep);
  background: rgba(232, 201, 122, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% 68%, calc(100% - 8px) 100%, 0 100%);
}

.page-products .cat-points {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #3c3830;
}
.page-products .cat-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  background: var(--brick);
  transform: rotate(45deg);
}
.page-products .cat-points b {
  color: var(--deep);
  font-weight: 700;
}

/* ---------- 维护节奏 ---------- */
.page-products .cat-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-steps li {
  padding: 15px 15px 14px;
  background: var(--paper);
  border-top: 4px solid var(--celadon);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.page-products .cat-steps strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--brick);
}
.page-products .cat-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: #3c3830;
}

/* ---------- 收尾 ---------- */
.page-products .cat-cta {
  margin-top: 26px;
  padding: 22px 20px;
  background: var(--deep);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-products .cat-cta h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.4;
  letter-spacing: -0.012em;
  color: var(--paper);
}
.page-products .cat-cta p {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 253, 246, 0.86);
}
.page-products .cat-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .cat-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: clamp(24px, 3.4vw, 46px);
  }
  .page-products .cat-duo {
    grid-template-columns: minmax(0, 1fr) minmax(0, 208px);
    gap: 28px;
    align-items: start;
  }
  .page-products .cat-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
  .page-products .cat-side-media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 30px;
    align-items: center;
  }
  .page-products .cat-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
  .page-products .cat-cta {
    padding: 26px 28px;
  }
}

@media (min-width: 1024px) {
  .page-products .cat-shell {
    grid-template-columns: var(--cat-rail-w) minmax(0, 1fr) var(--cat-side-w);
    gap: var(--cat-gap);
    align-items: start;
  }
  .page-products .cat-rail {
    position: sticky;
    top: 22px;
  }
  .page-products .cat-rail__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
  }
  .page-products .cat-rail__list a {
    width: 100%;
    white-space: normal;
  }
  .page-products .cat-aside {
    display: block;
    position: sticky;
    top: 22px;
  }
  .page-products .cluster {
    padding: 20px 22px 18px 26px;
  }
}

@media (min-width: 1200px) {
  .page-products .cat-hero__title {
    letter-spacing: -0.028em;
  }
  .page-products .cat-section {
    padding-block: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-rail__list a,
  .page-products .filter-btn,
  .page-products .cat-aside__list a {
    transition: none;
  }
}
</main>
<<<END>>>