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

.page-products .catalog-hero {
  padding-bottom: 34px;
  padding-top: 10px;
}

.page-products .catalog-hero__grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-products .catalog-hero__copy .eyebrow {
  color: var(--gold);
  margin: 0 0 12px;
}

.page-products .catalog-hero__copy .h1,
.page-products .catalog-hero__copy h1 {
  margin: 0 0 16px;
}

.page-products .catalog-hero__copy .lead {
  color: var(--mist);
  margin: 0 0 24px;
  max-width: 52ch;
}

.page-products .catalog-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .catalog-hero__art {
  position: relative;
  background: linear-gradient(155deg, rgba(19, 32, 69, .95), rgba(10, 19, 48, .6));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .catalog-hero__art svg {
  display: block;
  height: auto;
  width: 100%;
}

.page-products .catalog-layout {
  display: grid;
  gap: 24px;
  padding-bottom: 48px;
}

/* ---------- 左侧分类索引 ---------- */

.page-products .catalog-rail {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  padding: 18px 16px;
}

.page-products .catalog-rail__title {
  color: var(--gold);
  font-size: .8rem;
  letter-spacing: .18em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-products .catalog-rail__list {
  display: grid;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .catalog-rail__item {
  position: relative;
}

.page-products .catalog-rail__link {
  align-items: baseline;
  border-left: 2px solid transparent;
  color: var(--mist);
  display: flex;
  gap: 10px;
  padding: 8px 10px;
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .catalog-rail__num {
  color: var(--violet);
  flex: 0 0 auto;
  font-size: .74rem;
  letter-spacing: .06em;
}

.page-products .catalog-rail__label {
  font-size: .94rem;
  line-height: 1.4;
}

.page-products .catalog-rail__link:hover,
.page-products .catalog-rail__link:focus-visible {
  background: rgba(201, 162, 39, .1);
  border-left-color: var(--gold-hi);
  color: var(--paper);
  outline: none;
}

.page-products .catalog-rail__hint {
  color: var(--jade);
  display: none;
  font-size: .78rem;
  line-height: 1.5;
  padding: 0 10px 10px 32px;
}

/* ---------- 主体区块 ---------- */

.page-products .catalog-flow {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-products .catalog-block {
  border-top: 1px solid var(--line-soft);
  padding: 32px 0 38px;
  position: relative;
}

.page-products .catalog-block::after {
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  top: -1px;
  width: 96px;
}

.page-products .catalog-block--wide {
  padding-bottom: 52px;
  padding-top: 48px;
}

.page-products .catalog-block--paper {
  background: var(--paper);
  color: var(--paper-ink);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
}

.page-products .catalog-block--paper::after {
  background: linear-gradient(90deg, var(--ink), rgba(10, 19, 48, 0));
}

.page-products .catalog-block--paper .h2,
.page-products .catalog-block--paper .h3 {
  color: var(--paper-ink);
}

.page-products .catalog-block--paper .catalog-block__lead,
.page-products .catalog-block--paper p,
.page-products .catalog-block--paper .catalog-block__tail {
  color: rgba(27, 36, 56, .82);
}

.page-products .catalog-block--paper a {
  color: #8a6a10;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .catalog-block__head {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-products .catalog-block__num {
  color: var(--gold);
  font-size: 1.05rem;
  letter-spacing: .08em;
}

.page-products .catalog-block__head .h2 {
  margin: 0;
}

.page-products .catalog-block__lead {
  color: var(--mist);
  line-height: 1.8;
  margin: 0 0 26px;
  max-width: 68ch;
}

.page-products .catalog-block__tail {
  color: var(--mist);
  line-height: 1.8;
  margin: 22px 0 0;
}

/* ---------- 数据概览 ---------- */

.page-products .catalog-stats {
  border-left: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 26px;
  padding-left: 18px;
}

.page-products .catalog-stats .stat__value {
  color: var(--gold-hi);
  display: block;
  font-size: 1.6rem;
  letter-spacing: .02em;
}

.page-products .catalog-stats .stat__label {
  color: var(--mist);
  font-size: .84rem;
}

/* ---------- 规则列表 ---------- */

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

.page-products .rule-list__item {
  align-items: flex-start;
  background: linear-gradient(120deg, rgba(19, 32, 69, .8), rgba(10, 19, 48, .3));
  border-left: 2px solid var(--violet);
  display: flex;
  gap: 12px;
  padding: 14px 16px;
}

.page-products .rule-list__item p {
  color: var(--mist);
  line-height: 1.75;
  margin: 2px 0 0;
}

.page-products .rule-list__item .tag {
  flex: 0 0 auto;
}

/* ---------- 账户四格 ---------- */

.page-products .account-matrix {
  display: grid;
  gap: 1px;
  background: rgba(27, 36, 56, .18);
  margin-bottom: 22px;
}

.page-products .account-cell {
  background: var(--paper);
  padding: 16px 16px 18px;
}

.page-products .account-cell .h3 {
  color: var(--paper-ink);
  margin: 0 0 8px;
}

.page-products .account-cell p {
  color: rgba(27, 36, 56, .78);
  line-height: 1.72;
  margin: 0;
}

/* ---------- 分类卡片 ---------- */

.page-products .cat-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 26px;
}

.page-products .cat-card {
  background: linear-gradient(160deg, rgba(19, 32, 69, .9), rgba(5, 10, 28, .7));
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  padding: 18px 18px 20px;
  position: relative;
  transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products .cat-card:hover {
  border-color: var(--gold);
  box-shadow: 0 12px 26px rgba(0, 0, 0, .34);
  transform: translateY(-2px);
}

.page-products .cat-card__num {
  color: var(--violet);
  display: block;
  font-size: .78rem;
  letter-spacing: .1em;
  margin-bottom: 8px;
}

.page-products .cat-card .h3 {
  color: var(--paper);
  margin: 0 0 8px;
}

.page-products .cat-card p {
  color: var(--mist);
  line-height: 1.72;
  margin: 0 0 12px;
}

/* ---------- 图片 ---------- */

.page-products .cat-figure {
  margin: 26px 0 0;
}

.page-products .cat-figure img {
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  display: block;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  width: 100%;
}

.page-products .cat-figure figcaption {
  color: var(--mist);
  font-size: .84rem;
  line-height: 1.6;
  margin-top: 10px;
}

.page-products .catalog-block--paper .cat-figure figcaption {
  color: rgba(27, 36, 56, .66);
}

/* ---------- 四步流程 ---------- */

.page-products .flow-chain {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0 0 6px;
  padding: 0;
}

.page-products .flow-step {
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-products .flow-step__anchor {
  background: rgba(19, 32, 69, .62);
  border-bottom: 2px solid var(--line-soft);
  display: block;
  padding: 16px 18px 18px;
  text-decoration: none;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .flow-step__anchor:hover,
.page-products .flow-step__anchor:focus-visible {
  background: rgba(201, 162, 39, .12);
  border-bottom-color: var(--gold-hi);
  outline: none;
}

.page-products .flow-step:target .flow-step__anchor {
  background: rgba(201, 162, 39, .16);
  border-bottom-color: var(--gold-hi);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-products .flow-step__num {
  color: var(--jade);
  display: block;
  font-size: .76rem;
  letter-spacing: .14em;
  margin-bottom: 8px;
}

.page-products .flow-step .h3 {
  color: var(--paper);
  margin: 0 0 8px;
}

.page-products .flow-step p {
  color: var(--mist);
  line-height: 1.75;
  margin: 0;
}

/* ---------- 更新节奏 ---------- */

.page-products .cadence {
  background: linear-gradient(140deg, rgba(19, 32, 69, .86), rgba(5, 10, 28, .5));
  border: 1px solid var(--line-soft);
  margin-bottom: 24px;
  overflow-x: auto;
  padding: 20px 18px 24px;
}

.page-products .cadence__axis {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(7, minmax(72px, 1fr));
  min-width: 540px;
}

.page-products .cadence__tick {
  color: var(--mist);
  font-size: .78rem;
  letter-spacing: .02em;
  text-align: center;
  white-space: nowrap;
}

.page-products .cadence__tick--hot {
  color: var(--gold-hi);
}

.page-products .cadence__bar {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(7, minmax(72px, 1fr));
  margin-top: 14px;
  min-width: 540px;
  position: relative;
}

.page-products .cadence__bar::before {
  background: var(--line-soft);
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  right: 0;
  top: 11px;
}

.page-products .cadence__block {
  border-radius: 2px;
  grid-column: span 1;
  height: 24px;
  position: relative;
  z-index: 1;
}

.page-products .cadence__block--a {
  background: linear-gradient(90deg, var(--gold), var(--gold-hi));
  grid-column: 2 / span 1;
}

.page-products .cadence__block--b {
  background: linear-gradient(90deg, var(--violet), var(--jade));
  grid-column: 5 / span 1;
}

.page-products .cadence-notes {
  display: grid;
  gap: 14px;
}

.page-products .cadence-note {
  border-left: 2px solid var(--jade);
  padding-left: 14px;
}

.page-products .cadence-note .h3 {
  color: var(--paper);
  margin: 0 0 6px;
}

.page-products .cadence-note p {
  color: var(--mist);
  line-height: 1.72;
  margin: 0;
}

/* ---------- 历史记录 ---------- */

.page-products .history-panel {
  display: grid;
  gap: 1px;
  background: rgba(27, 36, 56, .16);
}

.page-products .history-panel__col {
  background: var(--paper);
  padding: 16px 16px 18px;
}

.page-products .history-panel__col .h3 {
  color: var(--paper-ink);
  margin: 0 0 8px;
}

.page-products .history-panel__col p {
  color: rgba(27, 36, 56, .78);
  line-height: 1.72;
  margin: 0;
}

/* ---------- 版本演进 ---------- */

.page-products .version-steps {
  display: grid;
  gap: 10px;
  margin-bottom: 6px;
}

.page-products .version-step {
  background: linear-gradient(90deg, rgba(124, 92, 255, .16), rgba(10, 19, 48, .12));
  border-left: 3px solid var(--violet);
  padding: 14px 16px 16px;
}

.page-products .version-step--now {
  background: linear-gradient(90deg, rgba(201, 162, 39, .24), rgba(10, 19, 48, .12));
  border-left-color: var(--gold);
}

.page-products .version-step__code {
  color: var(--gold-hi);
  display: block;
  font-size: .78rem;
  letter-spacing: .1em;
  margin-bottom: 6px;
}

.page-products .version-step .h3 {
  color: var(--paper);
  margin: 0 0 6px;
}

.page-products .version-step p {
  color: var(--mist);
  line-height: 1.75;
  margin: 0;
}

/* ---------- 结尾行动 ---------- */

.page-products .catalog-cta {
  align-items: center;
  background: linear-gradient(120deg, rgba(19, 32, 69, .95), rgba(5, 10, 28, .7));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  display: grid;
  gap: 18px;
  margin-top: 34px;
  padding: 22px 20px 26px;
}

.page-products .catalog-cta .h3 {
  color: var(--paper);
  margin: 0 0 8px;
}

.page-products .catalog-cta p {
  color: var(--mist);
  line-height: 1.75;
  margin: 0;
}

.page-products .catalog-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .catalog-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .account-matrix,
  .page-products .history-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .catalog-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }

  .page-products .catalog-hero {
    padding-top: 24px;
  }

  .page-products .catalog-block {
    padding: 40px 0 46px;
  }

  .page-products .catalog-block--paper {
    margin: 0 -32px;
    padding-left: 32px;
    padding-right: 32px;
  }

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

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

  .page-products .version-steps {
    gap: 12px;
  }

  .page-products .catalog-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 26px 28px 30px;
  }

  .page-products .catalog-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-products .catalog-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 44px;
  }

  .page-products .catalog-rail {
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-products .catalog-rail__item:hover .catalog-rail__hint,
  .page-products .catalog-rail__item:focus-within .catalog-rail__hint {
    display: block;
  }

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

  .page-products .account-matrix,
  .page-products .history-panel {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .cat-card:hover {
    transform: none;
  }
}