.page-products .breadcrumb {
  padding-block: 1.5rem 1rem;
  font-size: .8125rem;
  color: var(--muted);
}
.page-products .breadcrumb a {
  color: var(--cobalt-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .breadcrumb a:hover {
  color: var(--saffron);
  border-bottom-color: var(--saffron);
}

/* ---- 门形首屏 ---- */
.page-products .pr-gate {
  position: relative;
  overflow: hidden;
  background: var(--cobalt-deep);
  color: var(--on-deep);
  padding-block: clamp(2.5rem, 7vw, 5rem);
}
.page-products .pr-gate::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(247, 242, 232, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 242, 232, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.page-products .pr-gate__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}
.page-products .pr-gate .eyebrow {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}
.page-products .pr-gate__title {
  font-size: clamp(2rem, 5.4vw, 3.75rem);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--yak);
  margin: .75rem 0 1rem;
}
.page-products .pr-gate__intro {
  margin: 0;
  max-width: 36rem;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--on-deep-dim);
}

.page-products .pr-arches {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: end;
}
.page-products .pr-arch {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: .5rem;
  min-height: 14rem;
  padding: clamp(2.5rem, 6vw, 3.5rem) 1.25rem 1.75rem;
  text-align: center;
  background: rgba(247, 242, 232, .05);
  border: 1px solid var(--gold-line);
  border-radius: 160px 160px var(--radius) var(--radius);
}
.page-products .pr-arch__tag {
  align-self: center;
  margin-bottom: auto;
}
.page-products .pr-arch__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--yak);
}
.page-products .pr-arch__desc {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--on-deep-dim);
}

/* ---- 双栏骨架 ---- */
.page-products .pr-body {
  display: grid;
  gap: 2rem;
  padding-block: clamp(2rem, 5vw, 3.5rem);
}
.page-products .pr-body__main {
  min-width: 0;
}

.page-products .pr-rail-nav {
  display: flex;
  flex-direction: row;
  gap: .375rem;
  overflow-x: auto;
  padding-bottom: .5rem;
  scrollbar-width: none;
}
.page-products .pr-rail-nav::-webkit-scrollbar { display: none; }
.page-products .index-rail__link {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem .6rem;
  font-size: .8125rem;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .index-rail__link:hover {
  color: var(--cobalt-mid);
  border-left-color: var(--gold-line);
}
.page-products .index-rail__num {
  font-family: var(--font-mono);
  font-size: .6875rem;
  color: var(--gold);
}

/* ---- 章节 ---- */
.page-products .pr-sec {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
  border-top: 1px solid var(--hair);
}
.page-products .pr-sec__head {
  display: grid;
  gap: .5rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
  max-width: 46rem;
}
.page-products .pr-sec__num {
  justify-self: start;
}
.page-products .pr-sec__title {
  margin: 0;
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
  line-height: 1.35;
}
.page-products .pr-sec__title::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: .6rem;
  vertical-align: middle;
  background: var(--saffron);
}
.page-products .pr-sec__desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

/* ---- 图片容器 ---- */
.page-products .pr-fig {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}
.page-products .pr-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .pr-fig__cap {
  padding: .7rem .9rem;
  font-size: .75rem;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--hair);
  background: var(--yak);
}
.page-products .pr-fig--icons {
  background: var(--sky);
}

/* ---- 01 当季版 ---- */
.page-products .pr-v42 {
  display: grid;
  gap: 1.75rem;
}
.page-products .pr-v42__text p {
  margin: 0 0 1rem;
  line-height: 1.9;
  color: var(--ink);
}
.page-products .pr-v42__text p:last-of-type {
  margin-bottom: 0;
}
.page-products .pr-checks {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .875rem;
}
.page-products .pr-checks li {
  position: relative;
  padding-left: 1.5rem;
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pr-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 12px;
  height: 1px;
  background: var(--gold);
  box-shadow: 0 0 0 2px rgba(201, 162, 39, .14);
}
.page-products .pr-checks strong {
  display: block;
  font-weight: 600;
  color: var(--cobalt-mid);
}

/* ---- 02 四栏 ---- */
.page-products .pr-rail {
  padding-left: 1.25rem;
  border-left: 2px solid var(--cobalt-bright);
}
.page-products .pr-rail + .pr-rail {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gold-faint);
}
.page-products .pr-rail__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .875rem;
}
.page-products .pr-rail__idx {
  flex: 0 0 auto;
}
.page-products .pr-rail__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .pr-rail__go {
  margin-left: auto;
  font-size: .8125rem;
  color: var(--cobalt-mid);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid var(--gold-line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .pr-rail__go:hover {
  color: var(--saffron);
  border-bottom-color: var(--saffron);
}
.page-products .pr-rail__desc {
  margin: .6rem 0 0;
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.75;
}
.page-products .pr-rail__list {
  list-style: none;
  margin: .875rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}
.page-products .pr-rail__list li {
  position: relative;
  padding-left: 1.1rem;
  line-height: 1.8;
  color: var(--muted);
}
.page-products .pr-rail__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 5px;
  height: 5px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

/* ---- 03 检索与收藏 ---- */
.page-products .pr-search {
  display: grid;
  gap: 1.75rem;
}
.page-products .pr-search__main {
  min-width: 0;
  display: grid;
  gap: 1.25rem;
}
.page-products .pr-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: .625rem;
}
.page-products .pr-cat {
  padding: .8rem .9rem;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-top: 3px solid var(--cobalt-mid);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .pr-cat:nth-child(4n+2) { border-top-color: var(--cobalt-bright); }
.page-products .pr-cat:nth-child(4n+3) { border-top-color: var(--gold); }
.page-products .pr-cat:nth-child(4n) { border-top-color: var(--saffron); }
.page-products .pr-cat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}
.page-products .pr-cat__n {
  display: block;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--ink);
}
.page-products .pr-cat__d {
  display: block;
  margin-top: .25rem;
  font-size: .75rem;
  line-height: 1.6;
  color: var(--muted);
}
.page-products .pr-search__tip {
  margin: 0;
  padding: .9rem 1.1rem;
  background: var(--yak);
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .875rem;
  line-height: 1.85;
  color: var(--ink);
}
.page-products .pr-search__side {
  display: grid;
  gap: 1rem;
  align-content: start;
}
.page-products .pr-facts {
  margin: 0;
  padding: .25rem .9rem;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
}
.page-products .pr-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--hair);
}
.page-products .pr-facts > div:last-child { border-bottom: 0; }
.page-products .pr-facts dt {
  font-size: .8125rem;
  color: var(--muted);
  line-height: 1.5;
}
.page-products .pr-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 600;
  color: var(--cobalt-deep);
  white-space: nowrap;
}

/* ---- 04 导出 ---- */
.page-products .pr-export {
  display: grid;
  gap: 1.5rem;
}
.page-products .pr-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .875rem;
}
.page-products .pr-steps li {
  display: flex;
  gap: .875rem;
  align-items: flex-start;
  line-height: 1.85;
  color: var(--ink);
}
.page-products .pr-steps__n {
  flex: 0 0 auto;
  width: 1.6rem;
  height: 1.6rem;
  margin-top: .2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold-line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--cobalt-mid);
}
.page-products .pr-formats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: .625rem;
  margin-top: 1.75rem;
}
.page-products .pr-fmt {
  padding: .7rem .9rem;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease);
}
.page-products .pr-fmt[open] {
  border-color: var(--cobalt-bright);
}
.page-products .pr-fmt__sum {
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  list-style: none;
  font-size: .875rem;
  font-weight: 600;
  color: var(--ink);
}
.page-products .pr-fmt__sum::-webkit-details-marker { display: none; }
.page-products .pr-fmt__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--gold);
}
.page-products .pr-fmt[open] .pr-fmt__sum::after { content: "–"; }
.page-products .pr-fmt p {
  margin: .6rem 0 0;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---- 05 设备 ---- */
.page-products .pr-devices {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}
.page-products .pr-device {
  display: grid;
  gap: .5rem;
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-top: 2px solid var(--cobalt-mid);
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .pr-device:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}
.page-products .pr-device--sm {
  border-top-color: var(--saffron);
}
.page-products .pr-device--sm::after {
  content: "";
  display: block;
  height: 4px;
  margin-top: .5rem;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, var(--saffron) 0 12px, transparent 12px 20px);
}
.page-products .pr-device__name {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--gold);
}
.page-products .pr-device__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .pr-device__desc {
  margin: 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---- 06 卡点自查 ---- */
.page-products .pr-qa {
  border-bottom: 1px solid var(--hair);
}
.page-products .pr-qa__q {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}
.page-products .pr-qa__q::-webkit-details-marker { display: none; }
.page-products .pr-qa__q::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: .55rem;
  border: 1px solid var(--saffron);
  transform: rotate(45deg);
}
.page-products .pr-qa[open] > .pr-qa__q {
  color: var(--cobalt-mid);
}
.page-products .pr-qa__a {
  margin: 0 0 1.25rem;
  padding: .7rem 0 .7rem 1rem;
  border-left: 2px solid var(--gold-faint);
  font-size: .9375rem;
  line-height: 1.9;
  color: var(--muted);
}
.page-products .pr-more {
  margin: 1.75rem 0 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ink);
}
.page-products .pr-more a {
  color: var(--cobalt-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .pr-more a:hover {
  color: var(--saffron);
  border-bottom-color: var(--saffron);
}

/* ---- 媒体查询 ---- */
@media (max-width: 560px) {
  .page-products .pr-arches {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .pr-arch {
    min-height: 0;
    padding: 2rem 1.1rem 1.5rem;
    border-radius: 120px 120px var(--radius) var(--radius);
  }
  .page-products .pr-rail__go {
    margin-left: 0;
  }
}

@media (min-width: 780px) {
  .page-products .pr-devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 860px) {
  .page-products .pr-v42 {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: start;
  }
  .page-products .pr-export {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: clamp(1.75rem, 4vw, 3rem);
    align-items: start;
  }
  .page-products .pr-gate__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-products .pr-search {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: clamp(1.75rem, 4vw, 3rem);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .pr-body {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(3rem, 6vw, 5rem);
    align-items: start;
  }
  .page-products .pr-rail-nav {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    flex-direction: column;
    gap: .2rem;
    overflow: visible;
    padding-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-cat,
  .page-products .pr-device,
  .page-products .pr-fmt,
  .page-products .index-rail__link,
  .page-products .pr-rail__go,
  .page-products .pr-more a {
    transition: none;
  }
  .page-products .pr-cat:hover,
  .page-products .pr-device:hover {
    transform: none;
  }
}
</main>