/* ===== 内容目录页 · page-products ===== */
.page-products {
  --pr-rule: rgba(95, 200, 240, 0.14);
  --pr-gap: 20px;
  --pr-panel: rgba(18, 32, 46, 0.78);
  background: var(--ink);
  color: var(--silver);
  font-family: var(--sans);
  overflow-x: clip;
}

.page-products .pr-wrap {
  width: min(100% - 40px, var(--shell-max));
  margin-inline: auto;
}

@media (min-width: 1024px) {
  .page-products .pr-wrap {
    width: min(100% - 72px, var(--shell-max));
  }
}

.page-products .pr-h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-products .pr-sub {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(201, 214, 226, 0.72);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  padding: 40px 0 60px;
  overflow: hidden;
  border-bottom: 1px solid var(--pr-rule);
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(30, 108, 140, 0.34), transparent 58%),
    linear-gradient(165deg, var(--ink) 0%, var(--night) 68%, #0d1926 100%);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(95, 200, 240, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(95, 200, 240, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 84%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 84%);
}

.page-products .pr-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

@media (min-width: 980px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
    gap: 52px;
  }
}

.page-products .pr-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(201, 214, 226, 0.5);
}

.page-products .pr-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ice-deep);
}

.page-products .pr-crumb a {
  color: var(--ice-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .pr-crumb a:hover,
.page-products .pr-crumb a:focus-visible {
  color: var(--ice);
  border-bottom-color: currentColor;
}

.page-products .pr-crumb [aria-current="page"] {
  color: var(--silver);
}

.page-products .pr-hero__eyebrow {
  color: var(--ice);
}

.page-products .pr-title {
  margin: 14px 0 0;
  font-size: clamp(33px, 7.4vw, 84px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.028em;
  color: var(--frost);
}

.page-products .pr-title__mark {
  color: var(--ice);
  box-shadow: inset 0 -0.16em 0 rgba(95, 200, 240, 0.24);
}

.page-products .pr-lead {
  max-width: 36em;
  margin: 24px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(201, 214, 226, 0.9);
}

@media (min-width: 760px) {
  .page-products .pr-lead {
    font-size: 17.5px;
  }
}

.page-products .pr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pr-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: var(--pr-rule);
  border-block: 1px solid var(--pr-rule);
}

.page-products .pr-metric {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 15px 12px 17px;
  background: rgba(11, 15, 20, 0.66);
}

.page-products .pr-metric__n {
  font-family: var(--mono);
  font-size: clamp(23px, 5vw, 33px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--gold);
}

.page-products .pr-metric__t {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(201, 214, 226, 0.6);
}

.page-products .pr-hero__side {
  position: relative;
}

.page-products .pr-hero__frame {
  border: 1px solid var(--line-strong);
  background: var(--night);
}

@media (min-width: 980px) {
  .page-products .pr-hero__side {
    padding-right: 34px;
  }
}

.page-products .pr-vert {
  display: none;
}

@media (min-width: 980px) {
  .page-products .pr-vert {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    writing-mode: vertical-rl;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--ice-deep);
  }
}

/* ---------- 栏目轨道 ---------- */
.page-products .pr-band {
  padding: 56px 0 46px;
  background: var(--ink);
}

.page-products .pr-band__head {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

@media (min-width: 900px) {
  .page-products .pr-band__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 38ch);
    align-items: end;
    gap: 44px;
  }

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

.page-products .pr-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 72vw);
  gap: 12px;
  padding: 4px 4px 20px;
  margin-inline: -4px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--ice-deep) transparent;
}

@media (min-width: 700px) {
  .page-products .pr-track {
    grid-auto-columns: 250px;
  }
}

.page-products .pr-track::-webkit-scrollbar {
  height: 4px;
}

.page-products .pr-track::-webkit-scrollbar-thumb {
  background: var(--ice-deep);
}

.page-products .pr-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 22px;
  text-decoration: none;
  background: linear-gradient(170deg, rgba(18, 32, 46, 0.95), rgba(11, 15, 20, 0.92));
  border: 1px solid var(--pr-rule);
  border-top: 3px solid var(--tab, var(--ice));
  border-radius: var(--radius-sharp);
  transition: background 200ms var(--ease), transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pr-card:hover,
.page-products .pr-card:focus-visible {
  background: linear-gradient(170deg, rgba(26, 47, 66, 0.98), rgba(14, 22, 31, 0.95));
  transform: translateY(-3px);
  outline: none;
}

.page-products .pr-card:nth-child(1) { --tab: rgba(95, 200, 240, 1); }
.page-products .pr-card:nth-child(2) { --tab: rgba(95, 200, 240, 0.86); }
.page-products .pr-card:nth-child(3) { --tab: rgba(95, 200, 240, 0.72); }
.page-products .pr-card:nth-child(4) { --tab: rgba(95, 200, 240, 0.6); }
.page-products .pr-card:nth-child(5) { --tab: rgba(95, 200, 240, 0.49); }
.page-products .pr-card:nth-child(6) { --tab: rgba(95, 200, 240, 0.4); }
.page-products .pr-card:nth-child(7) { --tab: rgba(95, 200, 240, 0.33); }

.page-products .pr-card__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-products .pr-card__name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--frost);
}

.page-products .pr-card__desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(201, 214, 226, 0.7);
}

/* ---------- 色系说明 ---------- */
.page-products .pr-swatch {
  padding: 10px 0 58px;
  background: var(--ink);
}

.page-products .pr-swatch__grid {
  display: grid;
  gap: 28px;
}

@media (min-width: 940px) {
  .page-products .pr-swatch__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
    gap: 52px;
  }
}

.page-products .pr-swatch__text .pr-sub:first-of-type {
  margin-top: 18px;
}

.page-products .pr-swatch__frame {
  border: 1px solid var(--line-strong);
  background: var(--night);
}

/* ---------- 服务范围对照 ---------- */
.page-products .pr-scope-sec {
  padding: 60px 0 58px;
  border-top: 1px solid var(--pr-rule);
  background: linear-gradient(180deg, var(--night) 0%, var(--ink) 100%);
}

.page-products .pr-scope__lede {
  max-width: 62ch;
}

.page-products .pr-scope__figure,
.page-products .pr-tags__figure,
.page-products .pr-diff__figure {
  margin: 30px 0 0;
  border: 1px solid var(--line-strong);
  background: var(--night);
}

.page-products .pr-scope__scroll {
  margin-top: 26px;
}

@media (min-width: 760px) {
  .page-products .pr-scope__scroll {
    overflow-x: auto;
  }
}

.page-products .pr-scope {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.72;
}

@media (min-width: 760px) {
  .page-products .pr-scope {
    min-width: 720px;
  }
}

.page-products .pr-scope caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .pr-scope thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--ice);
  background: #0f1c28;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-products .pr-scope tbody tr:nth-child(1) { --tab: rgba(95, 200, 240, 1); }
.page-products .pr-scope tbody tr:nth-child(2) { --tab: rgba(95, 200, 240, 0.87); }
.page-products .pr-scope tbody tr:nth-child(3) { --tab: rgba(95, 200, 240, 0.74); }
.page-products .pr-scope tbody tr:nth-child(4) { --tab: rgba(95, 200, 240, 0.62); }
.page-products .pr-scope tbody tr:nth-child(5) { --tab: rgba(95, 200, 240, 0.51); }
.page-products .pr-scope tbody tr:nth-child(6) { --tab: rgba(95, 200, 240, 0.41); }
.page-products .pr-scope tbody tr:nth-child(7) { --tab: rgba(95, 200, 240, 0.33); }

@media (min-width: 760px) {
  .page-products .pr-scope tbody tr:nth-child(odd) {
    background: rgba(95, 200, 240, 0.035);
  }

  .page-products .pr-scope tbody tr:hover {
    background: rgba(95, 200, 240, 0.09);
  }

  .page-products .pr-scope tbody tr:target {
    background: rgba(217, 164, 65, 0.11);
    box-shadow: inset 3px 0 0 var(--gold);
  }
}

.page-products .pr-scope tbody th[scope="row"] {
  padding: 18px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pr-rule);
  border-left: 3px solid var(--tab, var(--ice));
}

.page-products .pr-scope__num {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .pr-scope__name {
  display: block;
  margin-top: 5px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--frost);
}

.page-products .pr-scope tbody td {
  padding: 18px 16px;
  vertical-align: top;
  border-bottom: 1px solid var(--pr-rule);
  color: rgba(201, 214, 226, 0.84);
}

.page-products .pr-k {
  display: none;
}

@media (max-width: 759px) {
  .page-products .pr-scope,
  .page-products .pr-scope tbody,
  .page-products .pr-scope tr,
  .page-products .pr-scope td,
  .page-products .pr-scope th {
    display: block;
    width: auto;
  }

  .page-products .pr-scope thead {
    display: none;
  }

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

  .page-products .pr-scope tbody tr {
    padding: 16px 16px 18px;
    margin-bottom: 12px;
    background: var(--night);
    border: 1px solid var(--pr-rule);
    border-left: 3px solid var(--tab, var(--ice));
  }

  .page-products .pr-scope tbody tr:nth-child(even) {
    background: rgba(18, 32, 46, 0.72);
  }

  .page-products .pr-scope tbody th[scope="row"] {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 0 0 12px;
    margin-bottom: 12px;
    border: 0;
    border-bottom: 1px solid var(--pr-rule);
  }

  .page-products .pr-scope__num {
    display: inline;
    font-size: 11.5px;
  }

  .page-products .pr-scope__name {
    display: inline;
    margin-top: 0;
  }

  .page-products .pr-scope tbody td {
    padding: 0 0 12px;
    border: 0;
  }

  .page-products .pr-scope tbody td:last-child {
    padding-bottom: 0;
  }

  .page-products .pr-k {
    display: block;
    margin-bottom: 5px;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    color: var(--ice-deep);
  }
}

/* ---------- 分类标签体系 ---------- */
.page-products .pr-tags-sec {
  padding: 62px 0 58px;
  background: var(--ink);
}

.page-products .pr-tags__lede {
  max-width: 64ch;
}

.page-products .pr-taggrid {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

@media (min-width: 720px) {
  .page-products .pr-taggrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pr-taggrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pr-taggroup {
  padding: 18px 18px 20px;
  background: linear-gradient(155deg, rgba(18, 32, 46, 0.95), rgba(11, 15, 20, 0.92));
  border: 1px solid var(--pr-rule);
  border-top: 2px solid var(--tab, var(--ice));
  border-radius: var(--radius-sharp);
}

.page-products .pr-taggroup:nth-child(1) { --tab: rgba(95, 200, 240, 1); }
.page-products .pr-taggroup:nth-child(2) { --tab: rgba(95, 200, 240, 0.86); }
.page-products .pr-taggroup:nth-child(3) { --tab: rgba(95, 200, 240, 0.72); }
.page-products .pr-taggroup:nth-child(4) { --tab: rgba(95, 200, 240, 0.6); }
.page-products .pr-taggroup:nth-child(5) { --tab: rgba(95, 200, 240, 0.49); }
.page-products .pr-taggroup:nth-child(6) { --tab: rgba(95, 200, 240, 0.4); }
.page-products .pr-taggroup:nth-child(7) { --tab: rgba(95, 200, 240, 0.33); }

@media (min-width: 720px) {
  .page-products .pr-taggroup:nth-child(3n + 1) {
    transform: rotate(-0.65deg);
  }

  .page-products .pr-taggroup:nth-child(3n + 2) {
    transform: rotate(0.5deg);
  }

  .page-products .pr-taggroup:nth-child(3n) {
    transform: rotate(-0.25deg);
  }
}

.page-products .pr-taggroup__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 15px;
}

.page-products .pr-taggroup__num {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .pr-taggroup__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--frost);
}

.page-products .pr-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-tag {
  padding: 4px 9px 5px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(201, 214, 226, 0.88);
  background: rgba(95, 200, 240, 0.06);
  border: 1px solid rgba(95, 200, 240, 0.24);
  border-radius: var(--radius-sharp);
}

/* ---------- 版本对照字段 ---------- */
.page-products .pr-diff-sec {
  padding: 62px 0 58px;
  border-top: 1px solid var(--pr-rule);
  background: linear-gradient(180deg, var(--night) 0%, var(--ink) 100%);
}

.page-products .pr-diff__lede {
  max-width: 58ch;
}

.page-products .pr-fields {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--pr-rule);
  border: 1px solid var(--pr-rule);
}

.page-products .pr-field {
  display: grid;
  gap: 8px;
  padding: 20px 18px 22px;
  background: var(--night);
}

@media (min-width: 780px) {
  .page-products .pr-field {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: baseline;
    gap: 28px;
    padding: 22px 24px;
  }
}

.page-products .pr-field__name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--frost);
}

.page-products .pr-field__idx {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-products .pr-field__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(201, 214, 226, 0.82);
}

.page-products .pr-rulebox {
  margin: 26px 0 0;
  padding: 18px 20px 19px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(201, 214, 226, 0.88);
  background: rgba(196, 59, 46, 0.09);
  border-left: 3px solid var(--cinnabar);
}

/* ---------- 三步流程 ---------- */
.page-products .pr-flow-sec {
  padding: 62px 0 58px;
  background-color: var(--ink);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(95, 200, 240, 0.045) 0 1px,
    transparent 1px 26px
  );
}

.page-products .pr-flow__lede {
  max-width: 56ch;
}

.page-products .pr-steps {
  margin-top: 30px;
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-step {
  border-bottom: 1px solid var(--pr-rule);
}

.page-products .pr-step__sum {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 14px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
}

.page-products .pr-step__sum::-webkit-details-marker {
  display: none;
}

.page-products .pr-step__sum:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.page-products .pr-step__num {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .pr-step__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--frost);
}

.page-products .pr-step__chev {
  justify-self: end;
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--ice);
  border-bottom: 1.5px solid var(--ice);
  transform: rotate(45deg);
  transition: transform 260ms var(--ease);
}

.page-products .pr-step[open] .pr-step__chev {
  transform: rotate(-135deg);
}

.page-products .pr-step__body {
  padding: 0 4px 22px 96px;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(201, 214, 226, 0.82);
}

.page-products .pr-step__body p {
  margin: 0;
  max-width: 62ch;
}

@media (max-width: 640px) {
  .page-products .pr-step__sum {
    grid-template-columns: 66px minmax(0, 1fr) 16px;
    gap: 10px;
  }

  .page-products .pr-step__title {
    font-size: 16px;
  }

  .page-products .pr-step__body {
    padding-left: 4px;
  }
}

.page-products .pr-next {
  margin: 30px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(201, 214, 226, 0.68);
}

.page-products .pr-next a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 200, 240, 0.45);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-products .pr-next a:hover,
.page-products .pr-next a:focus-visible {
  color: var(--frost);
  border-bottom-color: var(--frost);
}

/* ---------- 更新节奏 ---------- */
.page-products .pr-cadence {
  padding: 62px 0 72px;
  border-top: 1px solid var(--pr-rule);
  background: linear-gradient(200deg, #0d1926 0%, var(--ink) 72%);
}

.page-products .pr-cad-grid {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

@media (min-width: 880px) {
  .page-products .pr-cad-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
    align-items: start;
  }
}

.page-products .pr-cad-text .pr-sub {
  margin-top: 0;
}

.page-products .pr-cad-text .pr-sub + .pr-sub {
  margin-top: 16px;
}

.page-products .pr-cadlist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pr-rule);
}

.page-products .pr-cadlist li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--pr-rule);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(201, 214, 226, 0.82);
}

.page-products .pr-cadlist b {
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-products .pr-figs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  background: var(--pr-rule);
  border: 1px solid var(--pr-rule);
}

@media (min-width: 720px) {
  .page-products .pr-figs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pr-fig {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background: rgba(11, 15, 20, 0.82);
}

.page-products .pr-fig__n {
  font-family: var(--mono);
  font-size: clamp(21px, 3.4vw, 29px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--ice);
}

.page-products .pr-fig__t {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(201, 214, 226, 0.6);
}

/* ---------- 图片通用 ---------- */
.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-card,
  .page-products .pr-step__chev,
  .page-products .pr-crumb a,
  .page-products .pr-next a {
    transition: none;
  }

  .page-products .pr-card:hover,
  .page-products .pr-card:focus-visible {
    transform: none;
  }
}