.page-products {
  --cat-line: rgba(217, 164, 65, .22);
  --cat-line-soft: rgba(217, 164, 65, .12);
  --cat-grid-line: rgba(217, 164, 65, .09);
  --cat-pad: clamp(18px, 3.2vw, 32px);
  --cat-soft: rgba(244, 239, 230, .78);
  --cat-paper-line: rgba(20, 16, 12, .16);
  --cat-paper-soft: rgba(20, 16, 12, .68);
  background: var(--ink);
  color: var(--paper);
}

.page-products h2,
.page-products h3,
.page-products p {
  margin: 0;
}

/* ---------- 首屏门廊 ---------- */
.page-products .cat-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(26px, 4.5vw, 52px)) 0 0;
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, var(--cat-grid-line) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, var(--cat-grid-line) 0 1px, transparent 1px 96px);
  border-bottom: 1px solid var(--cat-line);
}

.page-products .cat-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-bottom: clamp(28px, 4vw, 48px);
}

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

.page-products .cat-hero__title {
  margin: 12px 0 18px;
  max-width: 20ch;
  color: var(--paper);
}

.page-products .cat-hero__lede {
  max-width: 60ch;
  color: var(--cat-soft);
  font-size: clamp(1rem, 1.2vw, 1.0625rem);
  line-height: 1.8;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .cat-index {
  display: flex;
  flex-wrap: wrap;
  margin-top: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--cat-line);
  padding-top: 6px;
  gap: 0;
}

.page-products .cat-index .index-bar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 6px 16px;
  border-right: 1px solid var(--cat-line-soft);
  color: var(--cat-soft);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .cat-index .index-bar__item:first-child {
  padding-left: 0;
}

.page-products .cat-index .index-bar__item:last-child {
  border-right: 0;
}

.page-products .cat-index .index-bar__item .mono {
  color: var(--gold);
  font-size: var(--fs-micro);
}

.page-products .cat-index .index-bar__item:hover,
.page-products .cat-index .index-bar__item:focus-visible {
  color: var(--gold-hi);
  border-color: var(--flag-blue);
}

.page-products .cat-index .index-bar__item[aria-current="true"] {
  color: var(--gold-hi);
  border-color: var(--flag-blue);
}

/* 速览面板 */
.page-products .cat-facts {
  border: 1px solid var(--cat-line);
  background: rgba(23, 41, 63, .72);
  padding: 18px 20px 8px;
}

.page-products .cat-facts__title {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  color: var(--gold);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cat-line-soft);
}

.page-products .cat-facts__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  font-size: var(--fs-small);
}

.page-products .cat-facts__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--cat-line-soft);
  color: var(--cat-soft);
}

.page-products .cat-facts__list li:last-child {
  border-bottom: 0;
}

.page-products .cat-facts__num {
  font-family: var(--font-mono);
  color: var(--gold-hi);
  letter-spacing: .04em;
  flex: none;
}

/* 价格横带 */
.page-products .cat-band {
  background: var(--ink-2);
  border-top: 1px solid var(--gold-line-strong);
}

.page-products .cat-band__inner {
  display: grid;
}

.page-products .cat-band__cell {
  padding: 18px var(--cat-pad);
  border-top: 1px solid var(--cat-line-soft);
}

.page-products .cat-band__cell:nth-child(1) {
  border-top: 0;
}

.page-products .cat-band__label {
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-products .cat-band__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.125rem);
  line-height: 1.1;
  color: var(--gold-hi);
  letter-spacing: .02em;
}

.page-products .cat-band__unit {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--cat-soft);
}

.page-products .cat-band__fit {
  margin-top: 8px;
  font-size: var(--fs-small);
  color: var(--cat-soft);
  line-height: 1.6;
}

.page-products .cat-band__note {
  grid-column: 1 / -1;
  border-top: 1px solid var(--cat-line);
  padding: 14px var(--cat-pad);
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--cat-soft);
}

/* ---------- 通用区块 ---------- */
.page-products .cat-section {
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-products .cat-section--ink {
  background: var(--ink);
}

.page-products .cat-section--paper {
  background: var(--paper);
  color: var(--ink-black);
}

.page-products .cat-split {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .cat-note {
  border-top: 2px solid var(--gold);
  padding-top: 12px;
}

.page-products .cat-note--paper {
  border-top-color: var(--cinnabar);
}

.page-products .cat-note__num {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1;
  color: var(--gold);
  letter-spacing: .04em;
}

.page-products .cat-note--paper .cat-note__num {
  color: var(--cinnabar);
}

.page-products .cat-note__text {
  margin-top: 8px;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--cat-soft);
}

.page-products .cat-note--paper .cat-note__text {
  color: var(--cat-paper-soft);
}

.page-products .cat-head {
  margin-bottom: clamp(24px, 3.6vw, 40px);
  display: grid;
  gap: 12px;
  max-width: 68ch;
}

.page-products .cat-head--tight {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .cat-head--wide {
  max-width: 74ch;
}

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

.page-products .cat-head__title {
  color: var(--paper);
  line-height: 1.25;
}

.page-products .cat-section--paper .cat-head__title {
  color: var(--ink-black);
}

.page-products .cat-head__lede {
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--cat-soft);
}

.page-products .cat-section--paper .cat-head__lede {
  color: var(--cat-paper-soft);
}

/* 图片 */
.page-products .cat-figure {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
}

.page-products .img-frame {
  border: 1px solid var(--cat-line);
  background: var(--ink-2);
  line-height: 0;
  overflow: hidden;
}

.page-products .cat-section--paper .img-frame {
  border-color: var(--cat-paper-line);
  background: #e8e0d2;
}

.page-products .img-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .cat-figcap {
  margin-top: 10px;
  font-size: var(--fs-micro);
  line-height: 1.7;
  color: var(--cat-soft);
  letter-spacing: .02em;
}

.page-products .cat-section--paper .cat-figcap {
  color: var(--cat-paper-soft);
}

/* ---------- 01 三档卡 ---------- */
.page-products .tier-row {
  display: grid;
  gap: 16px;
}

.page-products .tier {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 22px;
  border: 1px solid var(--cat-line);
  background: var(--ink-2);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .tier:hover,
.page-products .tier:focus-within {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px var(--gold-line-strong);
}

.page-products .tier--pick {
  border-color: var(--gold-line-strong);
  background:
    linear-gradient(180deg, rgba(217, 164, 65, .12), rgba(23, 41, 63, .96));
}

.page-products .tier--pick::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cinnabar), var(--gold), var(--flag-blue));
}

.page-products .tier__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--butter);
  padding: 3px 8px;
  border: 1px solid var(--gold-line-strong);
  background: rgba(14, 26, 43, .7);
}

.page-products .tier__days {
  font-size: var(--fs-micro);
  letter-spacing: .2em;
  color: var(--gold);
}

.page-products .tier__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3.6vw, 2.375rem);
  line-height: 1;
  color: var(--gold-hi);
  letter-spacing: .02em;
}

.page-products .tier__unit {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--cat-soft);
}

.page-products .tier__fit {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--paper);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--cat-line-soft);
}

.page-products .tier__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--cat-soft);
}

.page-products .tier__list li {
  position: relative;
  padding-left: 16px;
}

.page-products .tier__list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 9px;
  line-height: 1.9;
  color: var(--gold);
}

/* ---------- 02 价格表 ---------- */
.page-products .price-sheet {
  border: 1px solid var(--cat-paper-line);
  background: rgba(255, 255, 255, .45);
}

.page-products .price-sheet__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .price-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: var(--fs-small);
  color: var(--ink-black);
}

.page-products .price-table th,
.page-products .price-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--cat-paper-line);
  vertical-align: baseline;
}

.page-products .price-table thead th {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  color: var(--cinnabar);
  background: rgba(217, 164, 65, .14);
  border-bottom: 1px solid var(--gold-line-strong);
  white-space: nowrap;
}

.page-products .price-table tbody th {
  font-weight: 500;
  color: var(--ink-black);
  background: rgba(20, 16, 12, .03);
}

.page-products .price-table tbody tr:last-child th,
.page-products .price-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .price-table tbody tr:hover td,
.page-products .price-table tbody tr:hover th {
  background: rgba(42, 167, 155, .1);
}

.page-products .num {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.page-products .num--price {
  font-size: 1.125rem;
  color: var(--cinnabar);
  font-weight: 700;
}

.page-products .cat-callout {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 18px 20px 20px;
  background: var(--butter);
  color: var(--ink-black);
  border-left: 6px solid var(--cinnabar);
}

.page-products .cat-callout__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  margin-bottom: 8px;
}

.page-products .cat-callout__text {
  font-size: var(--fs-small);
  line-height: 1.8;
}

/* ---------- 03/04 目录中段 ---------- */
.page-products .cat-ledger {
  background: var(--ink);
  border-top: 1px solid var(--cat-line);
  padding: clamp(48px, 7vw, 88px) 0;
  background-image:
    repeating-linear-gradient(90deg, var(--cat-grid-line) 0 1px, transparent 1px 96px);
}

.page-products .cat-ledger__grid {
  display: grid;
  gap: clamp(36px, 5vw, 56px);
}

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

.page-products .node-group {
  margin-bottom: clamp(22px, 3vw, 30px);
}

.page-products .node-group__title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--gold-line);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .node-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--cat-line);
}

.page-products .node {
  position: relative;
  padding: 0 0 16px 18px;
}

.page-products .node:last-child {
  padding-bottom: 0;
}

.page-products .node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--gold);
  background: var(--ink);
}

.page-products .node--keep::before {
  background: var(--gold);
}

.page-products .node__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}

.page-products .node__ver {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: .08em;
  color: var(--gold-hi);
}

.page-products .node__keep {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--gold);
  border: 1px solid var(--gold-line-strong);
  padding: 2px 6px;
}

.page-products .node__text {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--cat-soft);
}

.page-products .clue-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .clue {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--cat-line-soft);
}

.page-products .clue__idx {
  font-size: var(--fs-small);
  color: var(--gold);
  letter-spacing: .1em;
}

.page-products .clue__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--paper);
  margin-bottom: 4px;
}

.page-products .clue__text {
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--cat-soft);
}

.page-products .sort-note {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 16px 18px;
  border: 1px solid var(--cat-line);
  background: rgba(23, 41, 63, .7);
}

.page-products .sort-note__title {
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  color: var(--flag-blue);
  margin-bottom: 8px;
}

.page-products .sort-note__text {
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--cat-soft);
}

.page-products .cat-inline-link {
  margin-top: clamp(18px, 2.6vw, 24px);
}

/* ---------- 05 配置 ---------- */
.page-products .spec-list {
  border-top: 1px solid var(--cat-paper-line);
}

.page-products .spec-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--cat-paper-line);
}

.page-products .spec-row__key {
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  color: var(--cinnabar);
}

.page-products .spec-row__val {
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--ink-black);
}

.page-products .spec-row__val .num {
  color: var(--cinnabar);
  font-weight: 700;
}

.page-products .cat-tail-note {
  margin-top: clamp(18px, 2.6vw, 24px);
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--cat-paper-soft);
}

/* ---------- 06 组合推荐 ---------- */
.page-products .choose-grid {
  display: grid;
  gap: 18px;
}

.page-products .choose {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--cat-line);
  background: rgba(23, 41, 63, .82);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .choose:hover {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px var(--gold-line-strong);
}

.page-products .choose__type {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--paper);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--cat-line-soft);
}

.page-products .choose__price {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  letter-spacing: .04em;
  color: var(--gold-hi);
}

.page-products .choose__why {
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--cat-soft);
}

.page-products .choose__up {
  margin-top: auto;
  font-size: var(--fs-micro);
  line-height: 1.7;
  color: var(--butter);
  border-top: 1px dashed var(--cat-line-soft);
  padding-top: 10px;
}

.page-products .choose__up-key {
  display: inline-block;
  margin-right: 8px;
  color: var(--flag-green-hi);
  letter-spacing: .12em;
}

/* ---------- 结尾路径 ---------- */
.page-products .cat-next {
  background: var(--ink-2);
  border-top: 1px solid var(--cat-line);
}

.page-products .next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--cat-line-soft);
}

.page-products .next-list li {
  border-bottom: 1px solid var(--cat-line-soft);
}

.page-products .next-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 44px;
  padding: 14px 4px 14px 0;
  text-decoration: none;
  color: var(--paper);
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .next-link:hover,
.page-products .next-link:focus-visible {
  background: rgba(217, 164, 65, .08);
  border-left-color: var(--gold);
}

.page-products .next-link__name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--gold-hi);
}

.page-products .next-link__desc {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--cat-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .cat-band__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .cat-band__cell {
    border-top: 0;
    border-left: 1px solid var(--cat-line-soft);
  }

  .page-products .cat-band__cell:nth-child(1) {
    border-left: 0;
  }

  .page-products .spec-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
  }

  .page-products .next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .next-list li:nth-last-child(2) {
    border-bottom: 1px solid var(--cat-line-soft);
  }
}

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

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

  .page-products .choose:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .choose:nth-child(3) {
    margin-top: 52px;
  }
}

@media (min-width: 900px) {
  .page-products .cat-split {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .cat-hero__inner {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-products .cat-ledger__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .cat-ledger__col + .cat-ledger__col {
    border-left: 1px solid var(--cat-line-soft);
    padding-left: clamp(24px, 3vw, 44px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tier,
  .page-products .choose,
  .page-products .next-link,
  .page-products .cat-index .index-bar__item {
    transition-duration: 1ms;
  }
}
<<<END>>>