.page-products {
  --pr-gap: clamp(16px, 3vw, 28px);
  --pr-radius: 0;
}

.page-products .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .breadcrumb a {
  color: var(--ink-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-products .breadcrumb a:hover {
  border-bottom-color: var(--cyan);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--ink-muted);
}

/* ---------- 首屏框景检索区 ---------- */

.page-products .pr-hero {
  padding-block: clamp(36px, 6vw, 72px) clamp(44px, 7vw, 88px);
}

.page-products .pr-hero__frame {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(24px, 4.2vw, 56px);
  border: 1px solid var(--line-dark);
  background:
    linear-gradient(180deg, rgba(18, 211, 232, 0.07), rgba(18, 211, 232, 0) 46%),
    var(--ink-800);
}

.page-products .pr-hero__mark {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  pointer-events: none;
}

.page-products .pr-hero__mark--tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.page-products .pr-hero__mark--tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.page-products .pr-hero__mark--bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.page-products .pr-hero__mark--br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.page-products .pr-hero__body {
  max-width: 44em;
}

.page-products .pr-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.16;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-products .pr-hero__lead {
  margin-top: clamp(16px, 2.4vw, 24px);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--ink-text);
}

.page-products .pr-search {
  margin-top: clamp(22px, 3.2vw, 34px);
  max-width: 620px;
}

.page-products .pr-search__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
}

.page-products .pr-search__field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--ink-900);
  border: 1px solid var(--line-dark);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.page-products .pr-search__field:focus-within {
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-products .pr-search__icon {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--cyan);
  border-radius: 50%;
}

.page-products .pr-search__icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 7px;
  height: 1.5px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-products .pr-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 15px 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
}

.page-products .pr-search__input::placeholder {
  color: var(--ink-muted);
}

.page-products .pr-search__hint {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-muted);
}

.page-products .pr-axis {
  display: flex;
  overflow-x: auto;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-axis__item {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 132px;
  padding: 14px 20px;
  border-right: 1px solid var(--line-dark);
  color: var(--ink-text);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-products .pr-axis__item:last-child {
  border-right: 0;
}

.page-products .pr-axis__num {
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 资料库总览 ---------- */

.page-products .pr-overview {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pr-overview__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .pr-overview__media {
  margin: 0;
}

.page-products .pr-cols {
  display: grid;
  gap: 0;
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-dark);
}

.page-products .pr-col {
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pr-col__num {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .pr-col__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-products .pr-col__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-text);
}

/* ---------- 编号体系 ---------- */

.page-products .pr-numbering {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pr-numbering__head {
  max-width: 46em;
}

.page-products .pr-numbering__figure {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
}

.page-products .pr-numbering__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  margin-top: clamp(26px, 3.6vw, 40px);
}

.page-products .pr-numbering__legend {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pr-numbering__stat {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-muted);
  border-top: 1px solid var(--line-dark);
  padding-top: 14px;
}

.page-products .pr-numbering__stat-num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pr-numbering__list {
  display: grid;
  gap: 0;
}

.page-products .pr-numbering .index-item {
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pr-numbering .index-item:first-child {
  border-top: 1px solid var(--line-dark);
}

/* ---------- 资料卡片区 ---------- */

.page-products .pr-library {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pr-library__figure {
  margin: clamp(24px, 3.4vw, 36px) 0 clamp(26px, 3.6vw, 40px);
}

.page-products .pr-tabs {
  margin-top: 0;
}

.page-products .pr-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-light);
}

.page-products .pr-tab {
  padding: 9px 18px;
  border: 1px solid var(--line-light);
  background: var(--card);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.page-products .pr-tab:hover {
  border-color: var(--cyan);
  color: var(--cyan-deep);
}

.page-products .pr-tab[aria-selected="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-products .pr-panel {
  padding-top: clamp(20px, 3vw, 32px);
}

.page-products .pr-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pr-card {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line-light);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.page-products .pr-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--dur-mid) var(--ease);
}

.page-products .pr-card:hover {
  border-color: var(--cyan);
}

.page-products .pr-card:hover::before {
  width: 100%;
}

.page-products .pr-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pr-card__num {
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--cyan-deep);
}

.page-products .pr-card__fmt {
  flex: 0 0 auto;
}

.page-products .pr-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .pr-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pr-card__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-top: 12px;
  margin-top: 2px;
  border-top: 1px solid var(--line-light);
}

.page-products .pr-card__meta {
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 格式与节奏 ---------- */

.page-products .pr-formats {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pr-formats__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 44px);
  align-items: start;
}

.page-products .pr-formats__figure {
  margin: 0;
}

.page-products .pr-format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .pr-format {
  display: grid;
  gap: 10px;
  padding: 20px 16px;
  background: var(--card);
  border: 1px solid var(--line-light);
  transition: border-color var(--dur-fast) var(--ease);
}

.page-products .pr-format:hover {
  border-color: var(--cyan-deep);
}

.page-products .pr-format__icon {
  display: block;
  color: var(--cyan-deep);
}

.page-products .pr-format__name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pr-format__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pr-cadence {
  display: grid;
  gap: 0;
  margin-top: clamp(24px, 3.2vw, 34px);
  border-top: 1px solid var(--line-light);
}

.page-products .pr-cadence__item {
  display: grid;
  gap: 6px;
  padding: 16px 0 16px 16px;
  border-bottom: 1px solid var(--line-light);
  border-left: 2px solid var(--line-light);
}

.page-products .pr-cadence__item--accent {
  border-left-color: var(--orange);
}

.page-products .pr-cadence__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .pr-cadence__item:not(.pr-cadence__item--accent) .pr-cadence__num {
  color: var(--muted);
}

.page-products .pr-cadence__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 双端对照 ---------- */

.page-products .pr-tablet {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pr-tablet__top {
  display: grid;
  gap: clamp(26px, 3.6vw, 44px);
  align-items: start;
}

.page-products .pr-tablet__figure {
  margin: 0;
}

.page-products .pr-tablet__tabs {
  margin-top: clamp(26px, 3.6vw, 40px);
}

.page-products .pr-tablet .pr-tablist {
  border-bottom-color: var(--line-dark);
}

.page-products .pr-tablet .pr-tab {
  background: transparent;
  border-color: var(--line-dark);
  color: var(--ink-muted);
}

.page-products .pr-tablet .pr-tab:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-products .pr-tablet .pr-tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-products .pr-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--line-dark);
}

.page-products .pr-compare__col {
  padding: 18px 18px 20px;
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pr-compare__col:last-child {
  border-bottom: 0;
}

.page-products .pr-compare__head {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pr-compare__list,
.page-products .pr-single {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pr-compare__row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line-dark);
  font-size: 14px;
  color: var(--ink-text);
}

.page-products .pr-compare__row .mono {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--cyan);
}

.page-products .pr-single {
  border: 1px solid var(--line-dark);
}

.page-products .pr-single__row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-dark);
  font-size: 14px;
  color: var(--ink-text);
}

.page-products .pr-single__row:last-child {
  border-bottom: 0;
}

.page-products .pr-single__num {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--cyan);
}

.page-products .pr-single__title {
  line-height: 1.6;
}

.page-products .pr-tablet__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-muted);
}

/* ---------- 使用路径 ---------- */

.page-products .pr-steps {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pr-steps__list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
}

.page-products .pr-step {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-products .pr-step__num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan-deep);
}

.page-products .pr-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text);
}

.page-products .pr-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pr-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3vw, 32px);
  background: var(--ink-900);
}

.page-products .pr-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 800;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .pr-cta__sub {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-muted);
}

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

.page-products .pr-steps__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pr-steps__foot a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-deep);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-products .pr-steps__foot a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pr-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .pr-col {
    padding: 0 18px 0 0;
    border-bottom: 0;
    border-top: 1px solid var(--line-dark);
    padding-top: 20px;
  }

  .page-products .pr-col + .pr-col {
    padding-left: 18px;
  }

  .page-products .pr-cadence__item {
    grid-template-columns: 90px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

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

  .page-products .pr-compare__col {
    border-bottom: 0;
    border-right: 1px solid var(--line-dark);
  }

  .page-products .pr-compare__col:last-child {
    border-right: 0;
  }

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

  .page-products .pr-step {
    padding-right: 24px;
  }
}

@media (min-width: 900px) {
  .page-products .pr-overview__grid,
  .page-products .pr-formats__grid,
  .page-products .pr-tablet__top {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 60px);
  }

  .page-products .pr-numbering__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(30px, 4vw, 56px);
  }

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

  .page-products .pr-step {
    padding: 26px 26px 26px 0;
  }

  .page-products .pr-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }

  .page-products .pr-cta__actions {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1100px) {
  .page-products .pr-hero__frame {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .pr-card:nth-child(3n + 2) {
    transform: translateY(14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-card,
  .page-products .pr-card::before,
  .page-products .pr-tab,
  .page-products .pr-search__field {
    transition: none;
  }

  .page-products .pr-card:nth-child(3n + 2) {
    transform: none;
  }
}