.page-products {
  --pr-rule-dark: rgba(154, 167, 164, .22);
  --pr-rule-light: #D8DEDC;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  padding-top: 88px;
}
.page-products .pr-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-top: 26px;
}
.page-products .pr-hero-copy h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper-000);
  margin: 16px 0 0;
}
.page-products .pr-hero-copy .band-lede {
  margin-top: 22px;
  max-width: 42ch;
  color: var(--silver-200);
}
.page-products .pr-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-products .pr-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 38px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--pr-rule-dark);
}
.page-products .pr-hero-facts div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-products .pr-hero-facts dt {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .06em;
  color: var(--silver-400);
}
.page-products .pr-hero-facts dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper-000);
  white-space: nowrap;
}
.page-products .pr-hero-figure {
  margin: 0;
}
.page-products .pr-hero-figure .media-cap {
  margin-top: 12px;
}

/* ---------- 表格区 ---------- */
.page-products .pr-table-wrap {
  margin-top: 40px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pr-rule-light);
  background: var(--paper-000);
  box-shadow: var(--shadow-card);
}
.page-products .pr-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .pr-table th {
  padding: 15px 18px;
  text-align: left;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--ink-800);
  background: var(--paper-050);
  border-bottom: 2px solid var(--volt-500);
  white-space: nowrap;
}
.page-products .pr-table td {
  padding: 16px 18px;
  color: var(--ink-text);
  border-bottom: 1px solid var(--pr-rule-light);
  white-space: nowrap;
}
.page-products .pr-table tbody tr:last-child td {
  border-bottom: none;
}
.page-products .pr-table tbody tr {
  transition: background 160ms ease;
}
.page-products .pr-table tbody tr:hover {
  background: rgba(31, 107, 255, .06);
}
.page-products .pr-th-num {
  text-align: right !important;
}
.page-products .pr-num {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: .02em;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.page-products .pr-mono {
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--ink-800);
}
.page-products .pr-table-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--silver-400);
}

/* ---------- 筛选路径 ---------- */
.page-products .pr-steps {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  border-top: 1px solid var(--pr-rule-dark);
}
.page-products .pr-step {
  position: relative;
  padding: 26px 0 26px 52px;
  border-bottom: 1px solid var(--pr-rule-dark);
}
.page-products .pr-step-num {
  position: absolute;
  left: 0;
  top: 28px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--volt-200);
}
.page-products .pr-step h3 {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  color: var(--paper-000);
}
.page-products .pr-step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver-200);
  max-width: 52ch;
}
.page-products .pr-filter-figure {
  margin: 48px 0 0;
}
.page-products .pr-filter-figure .media-cap {
  margin-top: 12px;
}

/* ---------- 对比与导出 ---------- */
.page-products .pr-compare-grid {
  margin-top: 40px;
  align-items: start;
}
.page-products .pr-compare-figure {
  margin: 0 0 32px;
}
.page-products .pr-compare-figure .media-cap {
  margin-top: 12px;
}
.page-products .pr-compare-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-products .pr-ccard {
  padding: 24px 22px;
}
.page-products .pr-ccard .card-title {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 10px;
}
.page-products .pr-ccard p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 多端一致 ---------- */
.page-products .pr-parity-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
}
.page-products .pr-parity-card {
  padding: 28px 24px;
  border: 1px solid var(--pr-rule-light);
  border-radius: 3px;
  background: var(--paper-000);
  box-shadow: var(--shadow-card);
  transition: border-color 160ms ease, transform 160ms ease;
}
.page-products .pr-parity-card:hover {
  border-color: var(--volt-500);
}
.page-products .pr-parity-card h3 {
  margin: 0 0 12px;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-text);
}
.page-products .pr-parity-card > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-text);
}
.page-products .pr-parity-list {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--pr-rule-light);
  display: grid;
  gap: 12px;
}
.page-products .pr-parity-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-800);
}
.page-products .pr-parity-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 2px;
  background: var(--volt-500);
}

/* ---------- 关注与固定栏 ---------- */
.page-products .pr-pin-list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  counter-reset: pin;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-products .pr-pin {
  padding: 26px 22px 24px;
  background: var(--paper-000);
  border: 1px solid var(--pr-rule-light);
  border-top: 3px solid var(--ink-800);
  box-shadow: var(--shadow-card);
  transition: border-top-color 160ms ease, box-shadow 160ms ease;
}
.page-products .pr-pin:hover {
  border-top-color: var(--volt-500);
  box-shadow: 0 2px 14px rgba(8, 21, 15, .08);
}
.page-products .pr-pin-idx {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--volt-700);
  margin-bottom: 12px;
}
.page-products .pr-pin h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-text);
}
.page-products .pr-pin p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-800);
}
.page-products .pr-pins-note {
  margin: 28px 0 0;
  padding: 18px 22px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-800);
  background: var(--paper-050);
  border-left: 3px solid var(--volt-500);
}

/* ---------- 刷新与校订 ---------- */
.page-products .pr-cadence-grid {
  margin-top: 40px;
  align-items: start;
}
.page-products .pr-cadence-figure {
  margin: 0 0 32px;
}
.page-products .pr-cadence-figure .media-cap {
  margin-top: 12px;
}
.page-products .pr-cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--pr-rule-dark);
}
.page-products .pr-cadence-list li {
  padding: 22px 0;
  border-bottom: 1px solid var(--pr-rule-dark);
}
.page-products .pr-cadence-list h3 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper-000);
}
.page-products .pr-cadence-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver-200);
  max-width: 50ch;
}

/* ---------- 版本演进 ---------- */
.page-products .pr-version-figure {
  margin: 40px 0 0;
}
.page-products .pr-version-figure .media-cap {
  margin-top: 12px;
}
.page-products .pr-vbar {
  list-style: none;
  margin: 52px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-products .pr-vnode {
  position: relative;
  padding: 30px 0 26px 34px;
  border-left: 2px solid var(--pr-rule-light);
}
.page-products .pr-vnode:last-child {
  border-left-color: transparent;
}
.page-products .pr-vdot {
  position: absolute;
  left: -8px;
  top: 32px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--paper-000);
  border: 2px solid var(--volt-500);
}
.page-products .pr-vnode.is-current .pr-vdot {
  background: var(--flare-500);
  border-color: var(--flare-500);
}
.page-products .pr-vtag {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--volt-700);
  margin-bottom: 8px;
}
.page-products .pr-vnode.is-current .pr-vtag {
  color: var(--flare-500);
}
.page-products .pr-vnode h3 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-text);
}
.page-products .pr-vnode p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-800);
  max-width: 44ch;
}

/* ---------- 适用场景 ---------- */
.page-products .pr-fit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
}
.page-products .pr-fit-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-products .pr-fit-card .card-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--volt-200);
  margin: 0;
}
.page-products .pr-fit-card .card-title {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
}
.page-products .pr-fit-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver-200);
  flex: 1 1 auto;
}
.page-products .pr-fit-card .btn--link {
  align-self: flex-start;
  margin-top: 4px;
}
.page-products .pr-fit-foot {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--pr-rule-dark);
  display: grid;
  gap: 20px;
}
.page-products .pr-fit-foot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver-200);
  max-width: 56ch;
}
.page-products .pr-fit-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-products .pr-hero {
    padding-top: 104px;
  }
  .page-products .pr-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }
  .page-products .pr-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 40px;
  }
  .page-products .pr-compare-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pr-parity-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pr-pin-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pr-vbar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
  }
  .page-products .pr-vnode {
    padding: 34px 22px 0 0;
    border-left: none;
    border-top: 2px solid var(--pr-rule-light);
  }
  .page-products .pr-vnode.is-current {
    border-top-color: var(--flare-500);
  }
  .page-products .pr-vdot {
    left: 0;
    top: -8px;
  }
  .page-products .pr-fit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pr-fit-foot {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .pr-hero-grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: center;
  }
  .page-products .pr-hero-copy h1 {
    font-size: 54px;
  }
  .page-products .pr-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 24px;
    border-top: none;
  }
  .page-products .pr-step {
    padding: 30px 0 0;
    border-bottom: none;
    border-top: 2px solid var(--pr-rule-dark);
  }
  .page-products .pr-step-num {
    position: static;
    display: block;
    margin-bottom: 12px;
  }
  .page-products .pr-filter-figure {
    margin-top: 64px;
  }
  .page-products .pr-table-note {
    max-width: 68ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-table tbody tr,
  .page-products .pr-parity-card,
  .page-products .pr-pin {
    transition: none;
  }
}