.page-products {
  --pp-gap: 22px;
  --pp-spine-a: #3F6B5C;
  --pp-spine-b: #4E7A66;
  --pp-spine-c: #6E7A5E;
  --pp-spine-d: #8C7455;
  --pp-spine-e: #A2734F;
  --pp-spine-f: #B5714B;
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 46px) 0 clamp(46px, 7vw, 82px);
  background: linear-gradient(160deg, #16130F 0%, #2E2723 55%, #3A342E 100%);
  color: var(--paper);
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -8%;
  right: -12%;
  width: 62%;
  height: 118%;
  background: linear-gradient(158deg, var(--lacquer-red) 0%, var(--lacquer-deep) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .92;
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 0;
  bottom: -1px;
  width: 46%;
  height: 74px;
  background: var(--paper);
  clip-path: polygon(0 58%, 100% 100%, 0 100%);
}

.page-products .cat-hero-inner {
  position: relative;
  z-index: 2;
}

.page-products .cat-hero .breadcrumbs {
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-products .cat-hero .breadcrumb-link {
  color: var(--gold-soft);
  text-decoration: none;
}

.page-products .cat-hero .breadcrumb-link:hover,
.page-products .cat-hero .breadcrumb-link:focus-visible {
  color: #fff;
}

.page-products .cat-hero .breadcrumb-item {
  color: rgba(246, 241, 231, .62);
}

.page-products .cat-hero .breadcrumb-item[aria-current="page"] {
  color: rgba(246, 241, 231, .92);
}

.page-products .cat-hero .breadcrumb-sep {
  color: rgba(246, 241, 231, .38);
}

.page-products .cat-hero-grid {
  display: grid;
  gap: 30px;
}

.page-products .cat-hero .eyebrow {
  color: var(--gold);
  letter-spacing: .16em;
  font-size: .8125rem;
  margin: 0 0 16px;
}

.page-products .cat-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5.4vw, 3.9rem);
  line-height: 1.22;
  letter-spacing: .01em;
  font-weight: 700;
  margin: 0 0 22px;
  max-width: 16em;
}

.page-products .cat-hero-lead {
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.9;
  color: rgba(246, 241, 231, .86);
  max-width: 36em;
  margin: 0 0 30px;
}

.page-products .cat-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cat-hero-side {
  align-self: end;
  background: rgba(246, 241, 231, .09);
  border: 1px solid rgba(228, 206, 134, .32);
  border-radius: 4px;
  padding: 22px 22px 18px;
}

.page-products .side-title {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--gold-soft);
  margin: 0 0 16px;
}

.page-products .side-list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: rgba(246, 241, 231, .14);
}

.page-products .side-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 4px;
  background: rgba(22, 19, 15, .22);
}

.page-products .side-item dt {
  font-size: .875rem;
  color: rgba(246, 241, 231, .82);
}

.page-products .side-item dd {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold-soft);
}

/* ---------- 检索入口 ---------- */
.page-products .cat-search-head .section-lead {
  max-width: 44em;
}

.page-products .cat-scale {
  display: grid;
  gap: 14px;
  margin: 30px 0 38px;
}

.page-products .scale-bar {
  display: grid;
  gap: 4px;
  padding: 20px 22px;
  border-radius: 4px;
  border-left: 5px solid var(--lacquer-red);
  background: linear-gradient(120deg, var(--paper-2), #FBF7EF);
}

.page-products .scale-bar--lib {
  border-left-color: var(--jade);
}

.page-products .scale-num {
  font-size: clamp(1.7rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--lacquer-red);
  line-height: 1.1;
}

.page-products .scale-bar--lib .scale-num {
  color: var(--jade);
}

.page-products .scale-name {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 600;
}

.page-products .scale-sub {
  font-size: .875rem;
  color: var(--ink-2);
}

.page-products .search-modes {
  display: grid;
  gap: 12px;
}

.page-products .mode-pill {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-2);
  text-decoration: none;
  color: inherit;
  transition: background .28s var(--ease), border-color .28s var(--ease), color .28s var(--ease), transform .28s var(--ease);
}

.page-products .mode-pill:hover,
.page-products .mode-pill:focus-visible {
  background: var(--lacquer-red);
  border-color: var(--lacquer-red);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-products .mode-icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(158, 43, 37, .12);
  color: var(--lacquer-red);
  transition: background .28s var(--ease), color .28s var(--ease);
}

.page-products .mode-pill:hover .mode-icon,
.page-products .mode-pill:focus-visible .mode-icon {
  background: rgba(246, 241, 231, .2);
  color: var(--gold-soft);
}

.page-products .mode-icon svg {
  width: 19px;
  height: 19px;
}

.page-products .mode-body {
  display: grid;
  gap: 3px;
}

.page-products .mode-name {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 600;
}

.page-products .mode-hint {
  font-size: .875rem;
  line-height: 1.6;
  color: var(--ink-2);
  transition: color .28s var(--ease);
}

.page-products .mode-pill:hover .mode-hint,
.page-products .mode-pill:focus-visible .mode-hint {
  color: rgba(246, 241, 231, .84);
}

/* ---------- 横向卷轴通用 ---------- */
.page-products .band-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}

.page-products .band-head-text {
  flex: 1 1 320px;
}

.page-products .band-head-text .section-lead {
  margin-top: 12px;
  max-width: 40em;
}

.page-products .band-controls {
  display: flex;
  gap: 10px;
}

.page-products .band-controls--library {
  margin-bottom: 18px;
}

.page-products .band-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--lacquer-red);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
}

.page-products .band-btn:hover,
.page-products .band-btn:focus-visible {
  background: var(--lacquer-red);
  border-color: var(--lacquer-red);
  color: var(--paper);
}

.page-products .band-track,
.page-products .spine-track {
  display: flex;
  align-items: flex-start;
  gap: var(--pp-gap);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scroll-padding-inline: var(--gutter);
  padding: 6px var(--gutter) 26px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--lacquer-red) transparent;
}

.page-products .band-track::-webkit-scrollbar,
.page-products .spine-track::-webkit-scrollbar {
  height: 8px;
}

.page-products .band-track::-webkit-scrollbar-thumb,
.page-products .spine-track::-webkit-scrollbar-thumb {
  background: rgba(158, 43, 37, .45);
  border-radius: 999px;
}

.page-products .band-track > *,
.page-products .spine-track > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

/* ---------- 案例合集 ---------- */
.page-products .cat-band--cases {
  padding: clamp(52px, 8vw, 92px) 0 clamp(48px, 7vw, 78px);
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
}

.page-products .band-media {
  margin-bottom: 30px;
}

.page-products .case-card {
  width: clamp(228px, 62vw, 288px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid var(--lacquer-red);
  border-radius: 3px;
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-card);
}

.page-products .case-card--wide {
  width: clamp(272px, 74vw, 420px);
  border-top-color: var(--jade);
  background: #FBF7EF;
}

.page-products .case-index {
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--stone);
  margin: 0;
}

.page-products .case-name {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.page-products .case-count {
  font-size: .875rem;
  color: var(--lacquer-red);
  letter-spacing: .06em;
  margin: 0;
}

.page-products .case-card--wide .case-count {
  color: var(--jade);
}

.page-products .case-scene {
  margin: 2px 0 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--ink-2);
}

/* ---------- 版本带 ---------- */
.page-products .cat-versions {
  padding: clamp(52px, 8vw, 88px) 0 clamp(44px, 6vw, 72px);
  background: var(--ink);
  color: var(--paper);
}

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

.page-products .cat-versions .section-title {
  color: var(--paper);
}

.page-products .cat-versions .section-lead {
  color: rgba(246, 241, 231, .74);
  max-width: 42em;
}

.page-products .ruler {
  list-style: none;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4px;
  margin: 46px 0 40px;
  padding: 26px 4px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .ruler::-webkit-scrollbar {
  display: none;
}

.page-products .ruler::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--stone) 0%, var(--lacquer-red) 58%, var(--gold) 100%);
  opacity: .48;
}

.page-products .ruler-mark {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  min-width: 66px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.page-products .ruler-node {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lacquer-red);
  transition: transform .3s var(--ease);
}

.page-products .ruler-mark[data-state="base"] .ruler-node {
  width: 17px;
  height: 17px;
  border-radius: 2px;
  border-color: var(--gold);
  background: var(--gold);
  transform: rotate(45deg);
  box-shadow: 0 0 0 5px rgba(201, 162, 39, .18);
}

.page-products .ruler-mark[data-state="current"] .ruler-node {
  background: var(--lacquer-red);
  border-color: var(--lacquer-red);
  box-shadow: 0 0 0 5px rgba(158, 43, 37, .28);
}

.page-products .ruler-ver {
  font-size: .8125rem;
  letter-spacing: .08em;
  color: rgba(246, 241, 231, .78);
}

.page-products .ruler-mark[data-state="base"] .ruler-ver,
.page-products .ruler-mark[data-state="current"] .ruler-ver {
  color: var(--gold-soft);
  font-weight: 700;
}

.page-products .ruler-tag {
  font-size: .6875rem;
  letter-spacing: .08em;
  color: var(--gold);
  border: 1px solid rgba(201, 162, 39, .42);
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
}

.page-products .version-notes {
  display: grid;
  gap: 16px;
}

.page-products .version-note {
  border-left: 2px solid rgba(228, 206, 134, .34);
  padding: 4px 0 4px 18px;
}

.page-products .version-note-ver {
  font-size: .8125rem;
  color: var(--gold);
  margin: 0 0 8px;
  letter-spacing: .06em;
}

.page-products .version-note h3 {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .version-note p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .76);
}

.page-products .version-media {
  margin-top: 38px;
}

.page-products .version-media .media-caption {
  color: rgba(246, 241, 231, .62);
}

/* ---------- 资料库 ---------- */
.page-products .cat-library {
  padding: clamp(52px, 8vw, 92px) 0 clamp(48px, 7vw, 78px);
  background: var(--paper);
}

.page-products .library-head {
  display: grid;
  gap: 26px;
  align-items: center;
  margin-bottom: 34px;
}

.page-products .library-media {
  margin: 0;
}

.page-products .library-intro .section-lead {
  max-width: 40em;
  margin-top: 14px;
}

.page-products .spine {
  width: clamp(146px, 44vw, 176px);
  min-height: 322px;
  border-radius: 3px 3px 0 0;
  padding: 20px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--paper);
  background: var(--pp-spine-a);
  box-shadow: var(--shadow-card);
  transition: transform .3s var(--ease);
}

.page-products .spine:hover {
  transform: translateY(-6px);
}

.page-products .spine:nth-child(6n+2) { background: var(--pp-spine-b); }
.page-products .spine:nth-child(6n+3) { background: var(--pp-spine-c); }
.page-products .spine:nth-child(6n+4) { background: var(--pp-spine-d); }
.page-products .spine:nth-child(6n+5) { background: var(--pp-spine-e); }
.page-products .spine:nth-child(6n)   { background: var(--pp-spine-f); }

.page-products .spine-count {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-soft);
}

.page-products .spine-name {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid rgba(246, 241, 231, .3);
}

.page-products .spine-desc {
  margin: 0;
  font-size: .8438rem;
  line-height: 1.74;
  color: rgba(246, 241, 231, .84);
}

/* ---------- 稳定版 ---------- */
.page-products .cat-stable {
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
}

.page-products .stable-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-products .stable-copy p {
  font-size: 1rem;
  line-height: 1.88;
  color: var(--ink-2);
  max-width: 38em;
  margin: 0 0 16px;
}

.page-products .stable-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 26px 0 28px;
}

.page-products .stable-fact {
  border-top: 3px solid var(--lacquer-red);
  padding-top: 12px;
}

.page-products .stable-fact dt {
  font-size: .8125rem;
  color: var(--ink-2);
  margin-bottom: 6px;
}

.page-products .stable-fact dd {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--lacquer-red);
  line-height: 1.1;
}

.page-products .stable-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .stable-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  padding: 12px;
  box-shadow: var(--shadow-card);
}

.page-products .stable-drawer {
  margin-top: 38px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-products .drawer-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  background: linear-gradient(120deg, var(--lacquer-deep), var(--lacquer-red));
  color: var(--paper);
}

.page-products .drawer-summary::-webkit-details-marker {
  display: none;
}

.page-products .drawer-title {
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 600;
}

.page-products .drawer-hint {
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--gold-soft);
}

.page-products .drawer-body {
  padding: 8px 22px 22px;
}

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

.page-products .node-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line);
}

.page-products .node-item--primary {
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  background: rgba(201, 162, 39, .07);
}

.page-products .node-time {
  font-size: .875rem;
  font-weight: 700;
  color: var(--ink);
  min-width: 8.5em;
}

.page-products .node-desc {
  font-size: .875rem;
  color: var(--ink-2);
  flex: 1 1 200px;
}

.page-products .drawer-more {
  margin: 18px 0 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 取用细则 ---------- */
.page-products .cat-specs {
  background: var(--paper);
}

.page-products .specs-layout {
  display: grid;
  gap: 28px;
  margin-top: 34px;
}

.page-products .specs-index {
  border-left: 3px solid var(--jade);
  padding: 4px 0 4px 18px;
}

.page-products .specs-index-title {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--jade);
  margin: 0 0 14px;
}

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

.page-products .specs-index-list a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: .9375rem;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-products .specs-index-list a:hover,
.page-products .specs-index-list a:focus-visible,
.page-products .specs-index-list a[data-active="true"] {
  color: var(--lacquer-red);
  border-bottom-color: var(--lacquer-red);
}

.page-products .specs-index-foot {
  margin: 22px 0 0;
  font-size: .8438rem;
  line-height: 1.78;
  color: var(--stone);
}

.page-products .specs-index-foot a {
  color: var(--lacquer-red);
}

.page-products .specs-body {
  display: grid;
  gap: 26px;
}

.page-products .spec-block {
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.page-products .spec-block h3 {
  font-family: var(--font-head);
  font-size: 1.1875rem;
  font-weight: 600;
  margin: 0 0 12px;
}

.page-products .spec-block p {
  margin: 0 0 12px;
  font-size: .9688rem;
  line-height: 1.88;
  color: var(--ink-2);
  max-width: 38em;
}

.page-products .spec-block p a {
  color: var(--lacquer-red);
}

.page-products .spec-media {
  margin: 20px 0 0;
}

/* ---------- 收尾 ---------- */
.page-products .cat-closing {
  padding: clamp(44px, 6vw, 68px) 0;
  background: linear-gradient(160deg, var(--lacquer-deep) 0%, var(--ink) 100%);
  color: var(--paper);
}

.page-products .closing-inner {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-products .closing-title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-products .closing-text p {
  margin: 0;
  font-size: .9688rem;
  line-height: 1.86;
  color: rgba(246, 241, 231, .8);
  max-width: 40em;
}

.page-products .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .cat-scale {
    grid-template-columns: 2fr 1fr;
    gap: 18px;
  }

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

  .page-products .version-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 30px;
  }

  .page-products .node-item {
    flex-wrap: nowrap;
  }
}

@media (min-width: 960px) {
  .page-products .cat-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: end;
    gap: 44px;
  }

  .page-products .library-head {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 40px;
  }

  .page-products .stable-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 46px;
    align-items: start;
  }

  .page-products .specs-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 46px;
  }

  .page-products .specs-index {
    position: sticky;
    top: calc(var(--header-h-solid) + 24px);
    align-self: start;
  }

  .page-products .closing-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }

  .page-products .closing-actions {
    justify-content: flex-end;
  }

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

@media (max-width: 719px) {
  .page-products .cat-hero::before {
    width: 78%;
    opacity: .72;
  }

  .page-products .cat-hero::after {
    height: 46px;
    width: 70%;
  }

  .page-products .band-head {
    align-items: flex-start;
  }

  .page-products .band-controls {
    order: 3;
  }

  .page-products .ruler {
    justify-content: flex-start;
    gap: 26px;
  }

  .page-products .ruler::before {
    right: auto;
    width: 100%;
  }

  .page-products .node-time {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .mode-pill,
  .page-products .band-btn,
  .page-products .spine,
  .page-products .ruler-node {
    transition: none;
  }

  .page-products .mode-pill:hover,
  .page-products .mode-pill:focus-visible,
  .page-products .spine:hover {
    transform: none;
  }
}