.page-products {
  --cat-gap: clamp(18px, 3vw, 36px);
  --cat-band: clamp(28px, 5vw, 64px);
  --cat-line: rgba(22, 50, 79, 0.18);
  --cat-tint: rgba(187, 215, 230, 0.32);
  background: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  padding: clamp(34px, 6vw, 78px) 0 clamp(32px, 5vw, 66px);
  overflow: hidden;
  isolation: isolate;
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(148deg, var(--sky) 0%, rgba(187, 215, 230, 0) 58%),
    linear-gradient(320deg, rgba(158, 43, 43, 0.13) 0%, rgba(158, 43, 43, 0) 44%),
    linear-gradient(180deg, var(--paper) 0%, var(--card) 100%);
}

.page-products .cat-hero-shape {
  position: absolute;
  top: -14%;
  right: -22%;
  width: min(70vw, 520px);
  aspect-ratio: 1 / 1;
  z-index: -1;
  background: linear-gradient(150deg, var(--red) 0%, var(--red-deep) 100%);
  clip-path: polygon(34% 0, 100% 0, 100% 58%, 58% 100%, 0 100%, 0 34%);
  opacity: 0.9;
}

.page-products .cat-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  align-items: end;
}

.page-products .cat-hero-text {
  max-width: 62ch;
}

.page-products .cat-hero-text h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 5.4vw, 3.7rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--indigo);
  margin: 0.4em 0 0.5em;
}

.page-products .cat-hero-text .eyebrow {
  margin: 0;
}

.page-products .cat-lede {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.78;
  color: var(--ink);
  margin: 0 0 1em;
}

.page-products .cat-hero-note {
  margin: 0;
  font-size: 14px;
}

.page-products .cat-hero-note a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .cat-hero-mark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 14px 18px;
  border: var(--edge) solid var(--indigo);
  box-shadow: var(--shadow-hard);
  background: var(--card);
  width: max-content;
}

.page-products .cat-hero-num {
  font-family: var(--font-num);
  font-size: clamp(3rem, 8vw, 4.6rem);
  line-height: 0.9;
  color: var(--red);
  letter-spacing: 0.02em;
}

.page-products .cat-hero-unit {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

/* ---------- 锚点索引 ---------- */
.page-products .cat-anchor {
  position: sticky;
  top: 0;
  z-index: 6;
  padding: 10px 0;
  background: rgba(247, 241, 230, 0.94);
  backdrop-filter: blur(6px);
  border-top: 2px solid var(--indigo);
  border-bottom: 2px solid var(--indigo);
}

.page-products .cat-anchor .anchor-index-list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-anchor .anchor-index-list::-webkit-scrollbar {
  display: none;
}

.page-products .cat-anchor .anchor-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  padding: 7px 13px;
  border: 2px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  color: var(--indigo);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-products .cat-anchor .anchor-link:hover,
.page-products .cat-anchor .anchor-link:focus-visible {
  border-color: var(--gold);
  background: var(--card);
}

.page-products .cat-anchor .anchor-link[aria-current="true"] {
  border-color: var(--ink);
  background: var(--butter);
}

.page-products .anchor-num {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--red);
  letter-spacing: 0.08em;
}

/* ---------- 索引网格 ---------- */
.page-products .cat-index {
  padding: clamp(34px, 6vw, 72px) 0 clamp(26px, 4vw, 52px);
}

.page-products .cat-index-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.45rem, 2.8vw, 2.1rem);
  color: var(--indigo);
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding-left: 16px;
  border-left: 6px solid var(--gold);
  line-height: 1.35;
}

.page-products .cat-index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
}

.page-products .cat-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--card);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard);
  transition: box-shadow 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.page-products .cat-tile:hover {
  box-shadow: var(--shadow-mid);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .cat-tile--wide {
  background: linear-gradient(165deg, var(--card) 0%, rgba(240, 192, 112, 0.28) 100%);
}

.page-products .cat-tile--sm {
  background: linear-gradient(180deg, var(--card) 0%, var(--tint, rgba(187, 215, 230, 0.34)) 100%);
  box-shadow: var(--shadow-indigo);
}

.page-products .cat-tile-badge {
  align-self: flex-start;
}

.page-products .cat-tile h3 {
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--indigo);
  margin: 0;
  line-height: 1.35;
}

.page-products .cat-tile p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .cat-tile-meta {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--stone);
  padding-top: 8px;
  border-top: 1px dashed var(--cat-line);
}

/* ---------- 分隔图 ---------- */
.page-products .cat-band-figure {
  margin: 0 auto var(--cat-band);
  padding: 0 clamp(16px, 5vw, 48px);
  max-width: calc(var(--maxw) - 60px);
  display: grid;
  gap: 12px;
}

.page-products .cat-band-figure .figure-img,
.page-products .cat-who-band .figure-img,
.page-products .cap-split-aside .figure-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(140deg, var(--sky), var(--butter));
}

.page-products .cat-band-figure .figure-img {
  aspect-ratio: 1 / 1;
}

.page-products .figure-cap {
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 能力详述通用 ---------- */
.page-products .cap-section {
  padding: clamp(38px, 6vw, 78px) 0;
  border-top: 2px solid var(--cat-line);
}

.page-products .cap-head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 4vw, 44px);
  position: relative;
  padding-left: 18px;
  border-left: 6px solid var(--red);
}

.page-products .cap-head--light {
  border-left-color: var(--gold);
}

.page-products .cap-num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(3.2rem, 9vw, 5.6rem);
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 2px var(--gold);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.page-products .cap-head h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  line-height: 1.28;
  color: var(--indigo);
  margin: 0.25em 0 0.55em;
}

.page-products .cap-lede {
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  line-height: 1.78;
  color: var(--ink);
}

.page-products .cap-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 46px);
  align-items: start;
}

.page-products .cap-split-main p {
  font-size: 16.5px;
  line-height: 1.8;
  margin: 0 0 1em;
}

.page-products .cap-section h3 {
  font-family: var(--font-head);
  font-size: 1.22rem;
  color: var(--indigo);
  margin: 0 0 0.5em;
  line-height: 1.4;
}

.page-products .cap-split-aside {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .cap-split-aside .figure-img {
  aspect-ratio: 4 / 3;
}

/* 01 导出 */
.page-products .cap-section--export {
  background: linear-gradient(180deg, var(--card) 0%, var(--paper) 100%);
}

.page-products .cat-steps {
  border: var(--edge) solid var(--indigo);
  background: var(--card);
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 2.5vw, 24px);
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-products .cat-step-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .cat-step-tabs .step-tab {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
  text-align: left;
  padding: 11px 14px;
  border: 2px solid var(--indigo);
  background: transparent;
  color: var(--indigo);
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-products .cat-step-tabs .step-tab[aria-selected="true"] {
  background: var(--indigo);
  color: var(--paper);
  border-color: var(--ink);
}

.page-products .cat-step-tabs .step-tab:hover {
  border-color: var(--gold);
}

.page-products .cat-step-panel {
  display: block;
  padding-top: 4px;
}

.page-products .cat-step-panel[data-active="false"] {
  display: none;
}

.page-products .cat-callout {
  border-left: 6px solid var(--gold);
  background: rgba(240, 192, 112, 0.34);
  padding: 16px 18px;
}

.page-products .cat-callout p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
}

/* 02 日历筛选 */
.page-products .cap-section--filter {
  background:
    linear-gradient(200deg, rgba(187, 215, 230, 0.4) 0%, rgba(247, 241, 230, 0) 46%),
    var(--paper);
}

.page-products .cat-filter-list {
  margin: 0 0 clamp(18px, 3vw, 28px);
  display: grid;
  gap: 0;
}

.page-products .cat-filter-item {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--cat-line);
}

.page-products .cat-filter-item:first-child {
  border-top: 1px solid var(--cat-line);
}

.page-products .cat-filter-item dt {
  font-family: var(--font-head);
  font-size: 1.02rem;
  color: var(--red);
  letter-spacing: 0.02em;
}

.page-products .cat-filter-item dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .cat-filter-preview {
  border: var(--edge) solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 2.6vw, 24px);
}

.page-products .cat-filter-prompt {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--indigo);
  font-weight: 500;
}

.page-products .cat-filter-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .cat-filter-grid .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 2px solid var(--indigo);
  background: var(--paper);
  font-size: 14px;
  color: var(--indigo);
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.page-products .cat-filter-grid .filter-chip:has(input:checked) {
  background: var(--butter);
  border-color: var(--ink);
}

.page-products .cat-filter-grid .filter-chip input {
  accent-color: var(--red);
}

.page-products .cat-filter-preview .filter-result {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--cat-line);
  font-size: 15px;
  color: var(--ink);
}

.page-products .cat-filter-preview .filter-count {
  font-family: var(--font-num);
  font-size: 2rem;
  line-height: 1;
  color: var(--red);
  margin: 0 4px;
  vertical-align: -3px;
}

.page-products .cat-inline-note {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
}

/* 03 版本对照 */
.page-products .cap-section--version {
  background: linear-gradient(160deg, var(--red) 0%, var(--red-deep) 100%);
  color: var(--paper);
}

.page-products .cap-section--version .cap-head h2,
.page-products .cap-section--version .cap-lede {
  color: var(--paper);
}

.page-products .cap-section--version .cap-head {
  border-left-color: var(--gold);
}

.page-products .cap-section--version .eyebrow {
  color: var(--butter);
}

.page-products .cap-section--version .cap-num {
  -webkit-text-stroke: 2px var(--butter);
}

.page-products .cat-version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
}

.page-products .cat-version-card {
  background: var(--card);
  color: var(--ink);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.6vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.page-products .cat-version-card:hover {
  box-shadow: var(--shadow-mid);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .cat-version-card .tag {
  align-self: flex-start;
}

.page-products .cat-version-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
}

.page-products .cat-version-card a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 04 内容检索 */
.page-products .cap-section--search {
  background: var(--paper);
}

.page-products .cat-search-ways {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
  counter-reset: none;
}

.page-products .cat-way {
  position: relative;
  padding: clamp(20px, 3vw, 28px) clamp(18px, 2.6vw, 26px);
  background: var(--card);
  border-top: 6px solid var(--indigo);
  border-right: 2px solid var(--indigo);
  border-bottom: 2px solid var(--indigo);
  border-left: 2px solid var(--indigo);
  transition: border-top-color 200ms ease, background-color 200ms ease;
}

.page-products .cat-way:hover {
  border-top-color: var(--gold);
  background: rgba(240, 192, 112, 0.18);
}

.page-products .cat-way-num {
  display: block;
  font-family: var(--font-num);
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-products .cat-way p {
  margin: 0 0 0.8em;
  font-size: 15.5px;
  line-height: 1.78;
}

.page-products .cat-way-fit {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--cat-line);
  font-size: 14px;
  color: var(--stone);
}

/* 05 桌面端 */
.page-products .cap-section--desktop {
  background: linear-gradient(120deg, rgba(187, 215, 230, 0.42) 0%, rgba(247, 241, 230, 0) 52%), var(--paper);
}

.page-products .cat-stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 34px);
  margin-bottom: 1.2em;
}

.page-products .cat-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 4px solid var(--gold);
}

.page-products .cat-stat-num {
  color: var(--red);
  line-height: 0.92;
}

.page-products .cat-stat-unit {
  font-size: 13px;
  color: var(--stone);
  letter-spacing: 0.04em;
}

.page-products .cap-section--desktop .cap-split-aside .figure-img {
  aspect-ratio: 16 / 10;
}

/* 谁在用 + 收尾 */
.page-products .cat-who-band {
  margin: 0 auto var(--cat-band);
  padding: 0 clamp(16px, 5vw, 48px);
  max-width: calc(var(--maxw) + 160px);
  display: grid;
  gap: 12px;
}

.page-products .cat-who-band .figure-img {
  aspect-ratio: 16 / 10;
}

.page-products .cap-section--who {
  border-top: none;
  padding-top: 0;
  padding-bottom: clamp(46px, 7vw, 90px);
}

.page-products .cat-who-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .cat-who {
  padding: clamp(20px, 3vw, 28px);
  background: var(--card);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-indigo);
  transition: box-shadow 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.page-products .cat-who:hover {
  box-shadow: var(--shadow-mid);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .cat-who h3 {
  margin-bottom: 0.55em;
}

.page-products .cat-who p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
}

.page-products .cat-cta {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3.6vw, 40px);
  background: linear-gradient(150deg, var(--indigo) 0%, #0f2338 100%);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard);
  color: var(--paper);
}

.page-products .cat-cta h3 {
  color: var(--paper);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  margin-bottom: 0.45em;
}

.page-products .cat-cta p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(247, 241, 230, 0.86);
}

.page-products .cat-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-products .cat-cta-actions .btn--ghost {
  color: var(--paper);
  border-color: var(--butter);
}

.page-products .cat-cta-actions .btn--ghost:hover {
  background: var(--butter);
  color: var(--ink);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-products .cat-index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-flow: dense;
  }

  .page-products .cat-tile--wide {
    grid-column: span 2;
  }

  .page-products .cat-step-tabs {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page-products .cat-step-tabs .step-tab {
    flex: 1 1 220px;
  }

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

  .page-products .cat-version-card--wide {
    grid-column: span 2;
  }

  .page-products .cat-cta {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
  }

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

@media (min-width: 1000px) {
  .page-products .cat-hero-inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.55fr);
    align-items: end;
  }

  .page-products .cat-hero-shape {
    right: -8%;
    width: min(42vw, 540px);
  }

  .page-products .cat-index-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .cat-tile--wide {
    grid-column: span 3;
  }

  .page-products .cat-tile:not(.cat-tile--wide) {
    grid-column: span 3;
  }

  .page-products .cap-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 58px);
  }

  .page-products .cap-split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .cat-filter-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-products .cat-filter-item:nth-child(2) {
    border-top: 1px solid var(--cat-line);
  }

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

  .page-products .cat-version-card--wide {
    grid-column: span 1;
  }

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

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

  .page-products .cat-hero-text h1 {
    max-width: 22ch;
  }
}

@media (min-width: 1280px) {
  .page-products .cat-index {
    padding-top: clamp(48px, 6vw, 84px);
  }

  .page-products .cat-band-figure .figure-img {
    aspect-ratio: 21 / 9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-tile,
  .page-products .cat-version-card,
  .page-products .cat-who,
  .page-products .cat-way {
    transition: none;
  }

  .page-products .cat-tile:hover,
  .page-products .cat-version-card:hover,
  .page-products .cat-who:hover {
    transform: none;
  }
}

.page-products {
  --tint: transparent;
}