.page-products {
  --pr-gap: clamp(18px, 3.4vw, 40px);
  --pr-line: 1px solid var(--gray-200);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  background: var(--paper);
  border-bottom: var(--pr-line);
}

.page-products .pr-hero-inner {
  padding-top: clamp(24px, 5vw, 64px);
  padding-bottom: clamp(22px, 4vw, 48px);
}

.page-products .pr-hero-kicker {
  margin-top: clamp(18px, 3vw, 34px);
  color: var(--blue);
}

.page-products .pr-hero-title {
  margin: 10px 0 0;
  font-size: clamp(40px, 10.5vw, 104px);
  line-height: .96;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pr-hero-lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--ink);
}

.page-products .pr-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gray-500);
}

.page-products .pr-slices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(26px, 4.5vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--pr-line);
  border-left: var(--pr-line);
}

.page-products .pr-slice {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 14px 12px 16px;
  border-right: var(--pr-line);
  border-bottom: var(--pr-line);
  background: var(--paper-2);
}

.page-products .pr-slice-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-products .pr-slice-name {
  font-size: clamp(16px, 2.4vw, 22px);
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-products .pr-slice-range {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--gray-500);
  overflow-wrap: anywhere;
}

/* ---------- 深色数据带与目录 ---------- */
.page-products .pr-band {
  margin-top: 0;
}

.page-products .pr-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  padding: 14px 0;
  border-bottom: var(--pr-line);
}

/* ---------- 通用区块 ---------- */
.page-products .pr-section {
  padding: clamp(38px, 7vw, 84px) 0;
  border-top: var(--pr-line);
}

.page-products .pr-section:first-of-type {
  border-top: none;
}

.page-products .pr-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-bottom: clamp(20px, 3.4vw, 36px);
}

.page-products .pr-headnum {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--blue);
}

.page-products .pr-fig {
  margin: 0;
  min-width: 0;
}

.page-products .pr-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--pr-line);
  background: var(--paper-2);
}

.page-products .pr-fig .ax-img-cap {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--gray-500);
}

.page-products .pr-note {
  margin-top: 14px;
}

/* ---------- 四类标注索引 ---------- */
.page-products .pr-classes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
}

.page-products .pr-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-legend .ax-legend-swatch {
  background: var(--tone);
}

.page-products .pr-filterbar {
  margin-top: 20px;
}

.page-products .pr-class-list {
  display: flex;
  flex-direction: column;
  border-top: var(--pr-line);
}

.page-products .pr-class {
  position: relative;
  padding: 14px 0 14px 16px;
  border-bottom: var(--pr-line);
  border-left: 3px solid var(--tone);
}

.page-products .pr-class-title {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-products .pr-class-trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  width: 100%;
  text-align: left;
}

.page-products .pr-class-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray-500);
}

.page-products .pr-swatch {
  width: 12px;
  height: 12px;
  align-self: center;
  background: var(--tone);
}

.page-products .pr-class-name {
  font-size: clamp(17px, 2.6vw, 22px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pr-class-def {
  flex: 1 1 220px;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gray-500);
}

.page-products .pr-class-trigger .ax-disclosure-icon {
  margin-left: auto;
  color: var(--tone);
}

.page-products .pr-class-panel {
  padding: 8px 0 4px;
}

.page-products .pr-class-panel p {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .pr-panel-key {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--tone);
}

/* ---------- 专利索引表 ---------- */
.page-products .pr-banner {
  margin-bottom: clamp(20px, 3.4vw, 32px);
}

.page-products .pr-banner img {
  border: var(--pr-line);
}

.page-products .pr-archive-lede {
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-products .pr-archive-tools {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 0;
  border-top: var(--pr-line);
  border-bottom: var(--pr-line);
}

.page-products .pr-archive-tools .pr-filterbar {
  margin-top: 0;
}

.page-products .pr-viewtoggle {
  display: flex;
}

.page-products .pr-table-cap {
  padding: 12px 0;
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gray-500);
}

.page-products .pr-table a,
.page-products .pr-card-source a,
.page-products .pr-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-products .pr-table a:hover,
.page-products .pr-card-source a:hover,
.page-products .pr-link:hover {
  color: var(--orange);
}

.page-products .pr-cards-view {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 20px 0;
}

.page-products .pr-total-card {
  border-left: 3px solid var(--tone);
}

.page-products .pr-archive[data-view="table"] .pr-cards-view {
  display: none;
}

.page-products .pr-archive[data-view="cards"] .pr-table-view {
  display: none;
}

/* ---------- 四段工艺参数带 ---------- */
.page-products .pr-params-lede {
  margin: 0 0 clamp(22px, 3.6vw, 40px);
}

.page-products .pr-params {
  display: flex;
  flex-direction: column;
}

.page-products .pr-param {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: clamp(22px, 3.6vw, 40px) 0 clamp(22px, 3.6vw, 40px) 14px;
  border-top: var(--pr-line);
  border-left: 3px solid transparent;
  transition: border-left-color 180ms var(--ease);
}

.page-products .pr-param:hover {
  border-left-color: var(--tone);
}

.page-products .pr-param:first-child {
  border-top: none;
}

.page-products .pr-param-index {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-products .pr-param-media {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-products .pr-diagram {
  color: var(--orange);
  border: var(--pr-line);
  padding: 10px;
  background: var(--paper-2);
}

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

.page-products .pr-diagram-cap {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--gray-500);
}

.page-products .pr-param-name {
  margin: 0 0 8px;
  font-size: clamp(24px, 4.4vw, 42px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.01em;
}

.page-products .pr-param-lede {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray-500);
}

.page-products .pr-rows {
  display: flex;
  flex-direction: column;
  border-top: var(--pr-line);
}

.page-products .pr-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: var(--pr-line);
}

.page-products .pr-row-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-products .pr-row-value {
  font-family: var(--mono);
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 700;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.page-products .pr-row-unit {
  margin-left: 8px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--gray-500);
}

.page-products .pr-row-note {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--gray-500);
}

/* ---------- 口径边界 ---------- */
.page-products .pr-boundary {
  padding: clamp(22px, 4vw, 48px);
  border-left: 3px solid var(--teal);
}

.page-products .pr-boundary-title {
  margin: 8px 0 clamp(16px, 2.6vw, 26px);
  font-size: clamp(24px, 4.2vw, 40px);
}

.page-products .pr-boundary-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-boundary-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding-top: 14px;
  border-top: var(--pr-line);
}

.page-products .pr-boundary-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--teal);
}

.page-products .pr-boundary-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 季度衔接 ---------- */
.page-products .pr-cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

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

.page-products .pr-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 16px;
  border-top: var(--pr-line);
}

.page-products .pr-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-products .pr-slices {
    grid-template-columns: 2fr 2fr 3fr 2fr;
  }

  .page-products .pr-head {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: start;
    gap: 0 20px;
  }

  .page-products .pr-headnum {
    padding-top: .5em;
  }

  .page-products .pr-classes-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .pr-archive-tools {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-products .pr-cards-view {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
  }

  .page-products .pr-param {
    grid-template-columns: 76px minmax(0, 4fr) minmax(0, 5fr);
    gap: 0 clamp(20px, 3vw, 40px);
    align-items: start;
  }

  .page-products .pr-param-index {
    writing-mode: horizontal-tb;
    padding-top: 6px;
  }

  .page-products .pr-row {
    grid-template-columns: minmax(110px, 3fr) minmax(150px, 4fr) minmax(0, 5fr);
    align-items: baseline;
    gap: 0 20px;
  }

  .page-products .pr-boundary-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }

  .page-products .pr-cadence-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 32px;
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-products .pr-param {
    grid-template-columns: 76px minmax(0, 3.4fr) minmax(0, 6fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-param {
    transition: none;
  }
}