.page-products {
  --pr-cell: 44px;
  --pr-shadow-hover: 0 10px 30px rgba(31, 42, 54, .08);
  display: block;
  color: var(--ink);
  background: var(--cloud);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .pr-head {
  max-width: 62em;
}

.page-products .pr-head .sec-head__title {
  margin: 10px 0 0;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ink-brown);
}

.page-products .pr-head .sec-head__desc {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  padding: calc(var(--header-h) + 48px) 0 56px;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 10%, rgba(58, 124, 165, .16), transparent 58%),
    linear-gradient(180deg, var(--cream) 0%, var(--cloud) 100%);
  border-bottom: 1px solid var(--mist);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(169, 196, 214, .42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(169, 196, 214, .42) 1px, transparent 1px);
  background-size: var(--pr-cell) var(--pr-cell);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 78%);
}

.page-products .pr-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pr-hero__ghost {
  position: absolute;
  top: 22%;
  right: -12px;
  z-index: 0;
  font-size: clamp(140px, 24vw, 320px);
  line-height: .78;
  font-weight: 800;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 2px rgba(169, 196, 214, .55);
  pointer-events: none;
  user-select: none;
}

.page-products .pr-hero .crumbs {
  position: relative;
  z-index: 1;
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--ink-mute);
}

.page-products .pr-hero .crumbs a {
  color: var(--sky-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .pr-hero .crumbs a:hover {
  border-bottom-color: var(--green);
}

.page-products .pr-hero .eyebrow {
  position: relative;
  z-index: 1;
}

.page-products .pr-hero__title {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  max-width: 15em;
  font-size: clamp(36px, 6.2vw, 82px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ink-brown);
}

.page-products .pr-hero .lede {
  position: relative;
  z-index: 1;
  margin: 24px 0 0;
  max-width: 46em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .pr-hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--mist);
}

.page-products .pr-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pr-hero__stats .stat__num {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--sky-deep);
}

.page-products .pr-hero__stats .stat__label {
  font-size: 13px;
  color: var(--ink-mute);
}

.page-products .pr-hero__cta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

/* ---------- 系列卷轴 ---------- */
.page-products .pr-series {
  padding: 64px 0 4px;
}

.page-products .pr-rail {
  display: flex;
  gap: 14px;
  margin: 28px 0 0;
  padding: 4px 0 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--grid) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-rail::-webkit-scrollbar {
  height: 6px;
}

.page-products .pr-rail::-webkit-scrollbar-thumb {
  background: var(--grid);
  border-radius: 99px;
}

.page-products .pr-rail__item {
  flex: 0 0 258px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 18px;
  border: 1px solid var(--mist);
  border-radius: var(--radius-organic);
  background: var(--cream);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--ease), transform var(--ease), background var(--ease);
}

.page-products .pr-rail__item:hover,
.page-products .pr-rail__item:focus-visible {
  border-color: var(--green);
  background: #ffffff;
  transform: translateY(-2px);
}

.page-products .pr-rail__no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--flame);
}

.page-products .pr-rail__name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-brown);
}

.page-products .pr-rail__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .pr-rail__foot {
  margin-top: auto;
  padding-top: 8px;
  font-size: 12px;
  color: var(--sky);
}

/* ---------- 机型带 ---------- */
.page-products .pr-band {
  margin: 40px 0 0;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--sky-deep);
}

.page-products .pr-band__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .88;
}

.page-products .pr-band__cap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: baseline;
  padding: 16px 20px;
  background: var(--ink);
  color: var(--on-dark);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .pr-band__cap .mono {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--green);
}

/* ---------- 品类区 ---------- */
.page-products .pr-catalog {
  position: relative;
  padding: 72px 0 80px;
  overflow: hidden;
  background: var(--cloud);
}

.page-products .pr-catalog__tex {
  position: absolute;
  inset: 0 0 auto;
  width: 100%;
  height: 420px;
  object-fit: cover;
  opacity: .15;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent);
}

.page-products .pr-catalog > .wrap {
  position: relative;
  z-index: 1;
}

.page-products .pr-filterbar {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  margin: 26px 0 0;
  padding: 12px 0;
  background: rgba(247, 249, 252, .95);
  border-bottom: 1px solid var(--mist);
}

.page-products .pr-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pr-filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pr-chip {
  cursor: pointer;
  padding: 7px 14px;
  font-size: 13px;
  line-height: 1.4;
  border: 1px solid var(--mist);
  border-radius: 999px;
  background: var(--cream);
  color: var(--ink-soft);
  user-select: none;
  transition: border-color var(--ease), background var(--ease), color var(--ease);
}

.page-products .pr-chip:hover {
  border-color: var(--grid);
}

.page-products .pr-filter-input:checked + .pr-chip {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink-brown);
  font-weight: 700;
}

.page-products .pr-filter-input:focus-visible + .pr-chip {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}

.page-products:has(#pf-mq:checked) .pgroup:not([data-series="mq"]),
.page-products:has(#pf-sync:checked) .pgroup:not([data-series="sync"]),
.page-products:has(#pf-mdm:checked) .pgroup:not([data-series="mdm"]),
.page-products:has(#pf-dist:checked) .pgroup:not([data-series="dist"]),
.page-products:has(#pf-auth:checked) .pgroup:not([data-series="auth"]),
.page-products:has(#pf-bi:checked) .pgroup:not([data-series="bi"]),
.page-products:has(#pf-tpl:checked) .pgroup:not([data-series="tpl"]) {
  display: none;
}

.page-products .pr-water {
  display: grid;
  gap: 52px;
  margin: 38px 0 0;
}

.page-products .pgroup {
  scroll-margin-top: calc(var(--header-h) + 84px);
}

.page-products .pgroup__head {
  margin-bottom: 24px;
  padding: 2px 0 2px 14px;
  border-left: 3px solid var(--green);
}

.page-products .pgroup__no {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--flame);
}

.page-products .pgroup__title {
  margin: 6px 0 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-brown);
}

.page-products .pgroup__desc {
  margin: 8px 0 0;
  max-width: 48em;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-products .pgroup__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}

.page-products .pcard {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 16px;
  border: 1px solid var(--mist);
  border-radius: var(--radius-organic);
  background: var(--cream);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-products .pcard:hover,
.page-products .pcard:focus-within {
  transform: translateY(-2px);
  border-color: var(--green);
  box-shadow: var(--pr-shadow-hover);
}

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

.page-products .pcard__idx {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--flame);
}

.page-products .pcard__tag {
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: .06em;
  white-space: nowrap;
  color: var(--sky-deep);
  background: rgba(58, 124, 165, .1);
  border-radius: 999px;
}

.page-products .pcard__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-brown);
}

.page-products .pcard__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-products .pcard:hover .pcard__desc,
.page-products .pcard:focus-within .pcard__desc {
  -webkit-line-clamp: 8;
  line-clamp: 8;
}

.page-products .pcard__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: auto 0 0;
  padding: 10px 0 0;
  list-style: none;
  border-top: 1px dashed var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
}

/* ---------- 场景 ---------- */
.page-products .pr-scene {
  padding: 72px 0;
  background: var(--paper);
  border-top: 1px solid rgba(43, 33, 27, .07);
  border-bottom: 1px solid rgba(43, 33, 27, .07);
}

.page-products .pr-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 32px 0 0;
}

.page-products .pr-scene-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 18px;
  border: 1px solid rgba(43, 33, 27, .12);
  border-radius: var(--radius);
  background: var(--cream);
  transition: border-color var(--ease), transform var(--ease);
}

.page-products .pr-scene-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}

.page-products .pr-scene-card__no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--flame);
}

.page-products .pr-scene-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-brown);
}

.page-products .pr-scene-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .pr-sub {
  margin: 54px 0 0;
  padding-left: 14px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-brown);
  border-left: 3px solid var(--flame);
}

.page-products .pr-industry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 22px 0 0;
}

.page-products .pr-ind-fig {
  margin: 0;
  min-height: 180px;
  border: 1px solid rgba(43, 33, 27, .12);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
}

.page-products .pr-ind-fig img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}

/* ---------- 档位 ---------- */
.page-products .pr-tier {
  padding: 72px 0;
  background: linear-gradient(180deg, var(--cloud), var(--cream));
}

.page-products .pr-scale {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: end;
  gap: 8px;
  margin: 36px 0 0;
  min-height: 24px;
}

.page-products .pr-scale__seg {
  border-radius: 4px 4px 0 0;
  background: var(--sky);
}

.page-products .pr-scale__seg:nth-child(1) { height: 6px; opacity: .18; }
.page-products .pr-scale__seg:nth-child(2) { height: 11px; opacity: .42; }
.page-products .pr-scale__seg:nth-child(3) { height: 17px; opacity: .7; }
.page-products .pr-scale__seg:nth-child(4) { height: 24px; opacity: 1; }

.page-products .pr-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 12px 0 0;
}

.page-products .pr-tier-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 16px;
  border: 1px solid var(--mist);
  border-top-width: 3px;
  border-top-style: solid;
  border-top-color: rgba(58, 124, 165, .35);
  border-radius: 4px 4px var(--radius) var(--radius);
  background: var(--cream);
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-products .pr-tier-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--pr-shadow-hover);
}

.page-products .pr-tier-card:nth-child(2) { border-top-color: rgba(58, 124, 165, .58); }
.page-products .pr-tier-card:nth-child(3) { border-top-color: rgba(58, 124, 165, .82); }
.page-products .pr-tier-card:nth-child(4) {
  border-top-color: var(--sky-deep);
  border-top-width: 5px;
}

.page-products .pr-tier-card__name {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-brown);
}

.page-products .pr-tier-card__scale {
  margin: 0;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--sky-deep);
}

.page-products .pr-tier-card__list {
  display: grid;
  gap: 6px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .pr-tier-card__list li {
  position: relative;
  padding-left: 14px;
}

.page-products .pr-tier-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.page-products .pr-tier-card__price {
  margin: auto 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--mist);
  font-size: 13px;
  color: var(--flame);
}

.page-products .pr-tier-note {
  margin: 24px 0 0;
  max-width: 64em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
}

/* ---------- 接入流程 ---------- */
.page-products .pr-flow {
  padding: 72px 0;
  background: var(--cream);
}

.page-products .pr-flow__fig {
  margin: 28px 0 0;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pr-flow__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pr-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--mist);
}

.page-products .pr-step:first-child {
  padding-top: 4px;
}

.page-products .pr-step__no {
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--flame);
}

.page-products .pr-step__title {
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-brown);
}

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

/* ---------- 对接 ---------- */
.page-products .pr-dock {
  position: relative;
  padding: 72px 0;
  overflow: hidden;
  background: var(--ink);
  color: var(--on-dark);
}

.page-products .pr-dock::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 140px;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(58, 124, 165, .2));
}

.page-products .pr-dock > .wrap {
  position: relative;
  z-index: 1;
}

.page-products .pr-dock .eyebrow {
  color: var(--green);
}

.page-products .pr-dock h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.2;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--cream);
}

.page-products .pr-dock > .wrap > p {
  margin: 16px 0 0;
  max-width: 54em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

.page-products .pr-dock__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 30px 0 0;
  overflow: hidden;
  border: 1px solid rgba(220, 230, 239, .16);
  border-radius: var(--radius);
  background: rgba(220, 230, 239, .16);
}

.page-products .pr-dock__item {
  padding: 20px 18px;
  background: rgba(255, 255, 255, .03);
}

.page-products .pr-dock__item h3 {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 800;
  color: var(--cream);
}

.page-products .pr-dock__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark-soft);
}

.page-products .pr-dock__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.page-products .pr-dock__cta .btn--outline {
  color: var(--on-dark);
  border-color: rgba(220, 230, 239, .42);
}

.page-products .pr-dock__cta .btn--outline:hover {
  border-color: var(--green);
  color: var(--cream);
}

/* ---------- 搭配与扩展 ---------- */
.page-products .pr-combo {
  padding: 72px 0 84px;
  background: var(--cloud);
}

.page-products .pr-combo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 30px 0 0;
}

.page-products .pr-combo-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 16px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--cream);
  transition: border-left-color var(--ease), transform var(--ease);
}

.page-products .pr-combo-item:hover {
  border-left-color: var(--flame);
  transform: translateY(-2px);
}

.page-products .pr-combo-item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-brown);
}

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

.page-products .pr-combo__tail {
  margin: 32px 0 0;
  max-width: 64em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .pr-combo__tail a {
  color: var(--sky-deep);
  text-decoration: underline;
  text-decoration-color: var(--green);
  text-underline-offset: 3px;
}

.page-products .pr-combo__tail a:hover {
  color: var(--flame);
  text-decoration-color: var(--flame);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pgroup__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

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

@media (min-width: 760px) {
  .page-products .pr-dock__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pr-industry {
    grid-template-columns: 1.15fr 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-products .pr-rail__item {
    flex: 0 0 300px;
  }
}

@media (min-width: 1024px) {
  .page-products .pgroup__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pcard:nth-child(3n + 2) {
    margin-top: 28px;
  }

  .page-products .pcard:nth-child(3n) {
    margin-top: 12px;
  }

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

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

@media (min-width: 1200px) {
  .page-products .pr-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .page-products .pr-hero__ghost {
    top: 40%;
    right: -34px;
    font-size: 170px;
    opacity: .6;
  }

  .page-products .pr-filterbar {
    position: static;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }

  .page-products .pcard:hover,
  .page-products .pr-rail__item:hover,
  .page-products .pr-scene-card:hover,
  .page-products .pr-tier-card:hover,
  .page-products .pr-combo-item:hover {
    transform: none;
  }
}