.page-products {
  --prod-gap: 2rem;
  padding-bottom: 4rem;
}

.page-products .breadcrumb {
  margin: 1.25rem 0 1.5rem;
}

/* ============ 首屏 ============ */
.page-products .prod-intro {
  display: grid;
  gap: 1.75rem;
  padding: 2rem 0 2.25rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-products .prod-intro::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 3px;
  background: var(--crimson);
}

.page-products .prod-intro__left h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 0;
  color: var(--ink);
  text-wrap: balance;
}

.page-products .prod-intro__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
  margin: 0 0 1.25rem;
  max-width: 56ch;
}

.page-products .prod-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ============ 关键数字 ============ */
.page-products .prod-keys {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 2rem 0 3rem;
}

.page-products .prod-key {
  background: var(--cream);
  padding: 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-products .prod-key__num {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--crimson);
  line-height: 1.1;
}

.page-products .prod-key__label {
  font-size: 0.8rem;
  color: var(--slate);
  line-height: 1.5;
}

/* ============ 产品线 ============ */
.page-products .prod-lines__grid {
  display: grid;
  gap: 1.25rem;
}

.page-products .line-card {
  position: relative;
  background: var(--cream);
  border: 1px solid var(--line);
  border-top: 3px solid var(--crimson);
  padding: 1.5rem 1.35rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .line-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lift);
}

.page-products .line-card--indigo { border-top-color: var(--indigo); }
.page-products .line-card--jade { border-top-color: var(--jade); }
.page-products .line-card--gold { border-top-color: var(--gold); }

.page-products .line-card__idx {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-products .line-card h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.3rem;
  line-height: 1.3;
  margin: 0;
  color: var(--ink);
}

.page-products .line-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .line-card__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.75rem;
  font-size: 0.78rem;
  color: var(--ink);
  font-family: var(--font-mono);
}

.page-products .line-card__meta li {
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-products .line-card__go {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--crimson);
  text-decoration: none;
  border-bottom: 2px solid var(--crimson);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .line-card__go:hover,
.page-products .line-card__go:focus-visible {
  color: var(--jade);
  border-color: var(--jade);
}

/* ============ 对照表 ============ */
.page-products .compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--cream);
}

.page-products .compare-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-products .compare-table th,
.page-products .compare-table td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
}

.page-products .compare-table thead th {
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.page-products .compare-table tbody th {
  font-weight: 700;
  color: var(--ink);
  font-family: var(--font-head);
  font-size: 0.95rem;
}

.page-products .compare-table tbody td {
  color: var(--slate);
}

.page-products .compare-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .compare-table tbody tr:hover {
  background: rgba(201, 154, 46, 0.12);
}

.page-products .compare-table tbody tr:last-child th,
.page-products .compare-table tbody tr:last-child td {
  border-bottom: none;
}

/* ============ 产品详情分栏 ============ */
.page-products .prod-detail {
  display: grid;
  gap: 1.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.page-products .prod-detail__main h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.6vw, 2.1rem);
  line-height: 1.25;
  margin: 0.5rem 0 1rem;
  color: var(--ink);
}

.page-products .prod-detail__main p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
  margin: 0 0 1rem;
  max-width: 62ch;
}

.page-products .prod-detail__side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-products .spec-panel {
  border: 1px solid var(--line);
  border-left: 3px solid var(--indigo);
  background: var(--cream);
  padding: 1rem 1.1rem;
}

.page-products .spec-panel__title {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--indigo);
}

.page-products .spec-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-products .spec-list__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px dotted var(--line);
  padding-bottom: 0.4rem;
  font-size: 0.85rem;
}

.page-products .spec-list__row:last-child { border-bottom: none; padding-bottom: 0; }

.page-products .spec-list__row dt {
  color: var(--slate);
}

.page-products .spec-list__row dd {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

/* 导出流程 */
.page-products .flow-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .flow-list__item {
  background: var(--cream);
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.3rem;
}

.page-products .flow-list__step {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--crimson);
}

.page-products .flow-list__item strong {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--ink);
}

.page-products .flow-list__item span:last-child {
  font-size: 0.88rem;
  color: var(--slate);
  line-height: 1.7;
}

/* 面板示意板 */
.page-products .panel-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .panel-board__cell {
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 0.9rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 92px;
  justify-content: space-between;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .panel-board__cell:hover {
  transform: translateY(-4px);
  border-color: var(--jade);
}

.page-products .panel-board__cell--wide {
  grid-column: span 2;
  background: var(--ink);
}

.page-products .panel-board__cell--wide .panel-board__name { color: var(--paper); }
.page-products .panel-board__cell--wide .panel-board__tag { color: var(--gold); }

.page-products .panel-board__cell--dragging {
  border-style: dashed;
  border-color: var(--jade);
  box-shadow: 0 0 0 2px rgba(47, 143, 123, 0.25);
}

.page-products .panel-board__cell--empty {
  border-style: dashed;
  opacity: 0.75;
}

.page-products .panel-board__tag {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--indigo);
}

.page-products .panel-board__name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.page-products .panel-board__hint {
  font-size: 0.8rem;
  color: var(--slate);
  margin: 0.75rem 0 0;
}

/* ============ 检索 ============ */
.page-products .search-split {
  display: grid;
  gap: 1.75rem;
}

.page-products .search-split__left h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.6vw, 2.1rem);
  line-height: 1.25;
  margin: 0.5rem 0 1rem;
  color: var(--ink);
}

.page-products .search-split__left p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
  margin: 0 0 1rem;
  max-width: 58ch;
}

.page-products .search-chip {
  display: inline-block;
  background: var(--jade);
  color: var(--cream);
  border: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.15rem 0.55rem;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.page-products .search-chip:hover,
.page-products .search-chip:focus-visible {
  background: var(--crimson);
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

.page-products .search-split__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.page-products .search-split__right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-products .search-scope {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .search-scope__item {
  background: var(--cream);
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.8rem 1rem;
  font-size: 0.88rem;
  color: var(--slate);
  line-height: 1.6;
}

/* ============ 订阅 ============ */
.page-products .subscribe-grid {
  display: grid;
  gap: 1.5rem;
}

.page-products .subscribe-grid__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
  margin: 0;
  max-width: 62ch;
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
}

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

.page-products .subscribe-list__item {
  background: var(--cream);
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.3rem;
}

.page-products .subscribe-list__item strong {
  font-family: var(--font-head);
  font-size: 1.02rem;
  color: var(--ink);
}

.page-products .subscribe-list__item span {
  font-size: 0.88rem;
  color: var(--slate);
  line-height: 1.7;
}

/* ============ 版本 ============ */
.page-products .versions-layout {
  display: grid;
  gap: 1.75rem;
}

.page-products .versions-body p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
  margin: 0 0 1.25rem;
  max-width: 62ch;
}

.page-products .version-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.1rem;
  border-left: 2px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.page-products .version-track__item {
  position: relative;
  display: grid;
  gap: 0.25rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .version-track__item.is-visible {
  opacity: 1;
  transform: none;
}

.page-products .version-track__dot {
  position: absolute;
  left: -1.42rem;
  top: 0.4rem;
  width: 9px;
  height: 9px;
  background: var(--crimson);
  border-radius: 50%;
}

.page-products .version-track__item--next .version-track__dot {
  background: var(--jade);
}

.page-products .version-track__label {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--indigo);
}

.page-products .version-track__item--next .version-track__label { color: var(--jade); }

.page-products .version-track__text {
  font-size: 0.92rem;
  color: var(--slate);
  line-height: 1.7;
}

/* ============ 场景 ============ */
.page-products .prod-scenes__figure {
  margin: 0 0 1.5rem;
}

.page-products .scene-grid {
  display: grid;
  gap: 1.25rem;
}

.page-products .scene-card {
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 1.35rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-left: 3px solid var(--crimson);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lift);
}

.page-products .scene-card:nth-child(2) { border-left-color: var(--indigo); }
.page-products .scene-card:nth-child(3) { border-left-color: var(--jade); }
.page-products .scene-card:nth-child(4) { border-left-color: var(--gold); }

.page-products .scene-card__label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-products .scene-card h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.1rem;
  line-height: 1.4;
  margin: 0;
  color: var(--ink);
}

.page-products .scene-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .scene-card__pick {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--crimson);
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
}

/* ============ CTA ============ */
.page-products .prod-cta__inner {
  display: grid;
  gap: 1.5rem;
  background: var(--ink);
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.page-products .prod-cta__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--crimson), var(--indigo), var(--gold), var(--jade));
}

.page-products .prod-cta__inner h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  line-height: 1.28;
  margin: 0.5rem 0 0.9rem;
  color: var(--paper);
}

.page-products .prod-cta__inner .eyebrow {
  color: var(--gold);
}

.page-products .prod-cta__inner p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--line);
  max-width: 54ch;
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-self: end;
}

/* ============ 导出记录时间轴 ============ */
.page-products .export-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .export-timeline__item {
  background: var(--cream);
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .export-timeline__item.is-visible {
  opacity: 1;
  transform: none;
}

.page-products .export-timeline__item:hover {
  background: rgba(47, 143, 123, 0.08);
}

.page-products .export-timeline__when {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--crimson);
}

.page-products .export-timeline__body {
  display: grid;
  gap: 0.2rem;
}

.page-products .export-timeline__body strong {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--ink);
}

.page-products .export-timeline__body span {
  font-size: 0.88rem;
  color: var(--slate);
  line-height: 1.7;
}

.page-products .export-timeline__note {
  font-size: 0.85rem;
  color: var(--slate);
  margin: 0.9rem 0 0;
}

.page-products .export-timeline__note a {
  color: var(--crimson);
  text-decoration: none;
  border-bottom: 1px solid var(--crimson);
}

.page-products .export-timeline__note a:hover,
.page-products .export-timeline__note a:focus-visible {
  color: var(--jade);
  border-color: var(--jade);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-products .prod-keys {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  .page-products .prod-cta__inner {
    grid-template-columns: 1.6fr 1fr;
    align-items: end;
    padding: 2.5rem 2rem;
  }

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

@media (min-width: 960px) {
  .page-products .prod-intro {
    grid-template-columns: 5fr 6fr;
    gap: 3rem;
    align-items: start;
    padding: 3rem 0 3.25rem;
  }

  .page-products .prod-detail {
    grid-template-columns: 7fr 4fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .prod-detail--panels .prod-detail__main { order: 1; }
  .page-products .prod-detail--panels .prod-detail__side { order: 0; }

  .page-products .search-split {
    grid-template-columns: 5fr 6fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .subscribe-grid {
    grid-template-columns: 5fr 6fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .versions-layout {
    grid-template-columns: 4fr 7fr;
    gap: 2.5rem;
    align-items: start;
  }

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

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

  .page-products .panel-board__cell--wide {
    grid-column: span 2;
  }
}

@media (min-width: 1180px) {
  .page-products .prod-lines__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-intro {
    grid-template-columns: 4fr 7fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .version-track__item,
  .page-products .export-timeline__item {
    opacity: 1;
    transform: none;
    transition: none;
  }
}