.page-products {
  --pr-pad: 1.25rem;
  --pr-gap: 1.5rem;
}

.page-products .pr-hero {
  position: relative;
  padding-block: 1.25rem 2.5rem;
  overflow: hidden;
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(184, 135, 59, .12) 0 1px, transparent 1px 72px);
  pointer-events: none;
  z-index: 0;
}

.page-products .pr-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}

.page-products .pr-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.15rem, 8vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: .5rem 0 1rem;
}

.page-products .pr-hero__copy .lede {
  max-width: 34em;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-products .pr-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-200);
}

.page-products .pr-hero__meta-item {
  display: flex;
  align-items: baseline;
  gap: .5rem;
}

.page-products .pr-hero__meta-item dt {
  font-size: .8rem;
  color: var(--celadon-500);
  letter-spacing: .02em;
}

.page-products .pr-hero__meta-item dd {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cinnabar-600);
  line-height: 1;
}

.page-products .pr-hero__figure {
  margin: 0;
}

.page-products .pr-hero__figure img,
.page-products .pr-fams__art img,
.page-products .pr-devices__figure img,
.page-products .pr-entry__figure img,
.page-products .pr-ledger__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 当前版本一览 */
.page-products .pr-band {
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background: var(--rice-100);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-products .pr-band__no {
  font-size: clamp(1.35rem, 5vw, 2.1rem);
  font-weight: 700;
  color: var(--cinnabar-600);
  letter-spacing: .02em;
  margin: .35rem 0 .75rem;
}

.page-products .pr-band__lead h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  line-height: 1.25;
  margin: 0 0 .9rem;
}

.page-products .pr-band__lead p {
  max-width: 36em;
  line-height: 1.8;
  color: var(--ink-700);
  margin: 0 0 .9rem;
}

.page-products .pr-band__side {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-200);
}

.page-products .pr-band__stats {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-products .pr-band__stats li {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  font-size: .9rem;
  color: var(--ink-700);
  padding-bottom: .6rem;
  border-bottom: 1px solid rgba(217, 207, 188, .6);
}

.page-products .pr-band__stats .mono {
  min-width: 2.4ch;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--copper-500);
}

/* 迭代记录 */
.page-products .pr-ledger__head {
  display: grid;
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.page-products .pr-ledger h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.25;
  margin: .4rem 0 0;
}

.page-products .pr-ledger__intro {
  max-width: 36em;
  line-height: 1.8;
  margin: .9rem 0 0;
  color: rgba(247, 242, 231, .78);
}

.page-products .pr-ledger__art {
  margin: 0;
}

.page-products .pr-ledger__art img {
  max-height: 220px;
  opacity: .85;
  border: 1px solid rgba(184, 135, 59, .45);
}

.page-products .pr-vers {
  display: grid;
  gap: .5rem;
  border-top: 1px solid rgba(184, 135, 59, .45);
}

.page-products .pr-ver {
  border-bottom: 1px solid rgba(247, 242, 231, .16);
}

.page-products .pr-ver summary {
  display: grid;
  grid-template-columns: 3.6rem 1fr auto;
  gap: .25rem .85rem;
  align-items: baseline;
  padding: .95rem .25rem;
  cursor: pointer;
  list-style: none;
  transition: background-color 140ms ease;
}

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

.page-products .pr-ver summary:hover {
  background: rgba(247, 242, 231, .06);
}

.page-products .pr-ver__no {
  font-size: .95rem;
  font-weight: 700;
  color: var(--copper-500);
  letter-spacing: .02em;
}

.page-products .pr-ver__name {
  font-weight: 700;
  color: var(--rice-050);
  font-size: .98rem;
}

.page-products .pr-ver__brief {
  grid-column: 2 / -1;
  font-size: .88rem;
  line-height: 1.65;
  color: rgba(247, 242, 231, .7);
}

.page-products .pr-ver__mark {
  position: relative;
  width: 12px;
  height: 12px;
  align-self: center;
}

.page-products .pr-ver__mark::before,
.page-products .pr-ver__mark::after {
  content: "";
  position: absolute;
  background: var(--copper-500);
  transition: transform 200ms var(--ease-spring);
}

.page-products .pr-ver__mark::before {
  inset: 5px 0 auto 0;
  height: 2px;
}

.page-products .pr-ver__mark::after {
  inset: 0 auto 0 5px;
  width: 2px;
}

.page-products .pr-ver[open] .pr-ver__mark::after {
  transform: scaleY(0);
}

.page-products .pr-ver__body {
  padding: .25rem .25rem 1.15rem;
}

.page-products .pr-ver__body p {
  max-width: 40em;
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(247, 242, 231, .82);
}

.page-products .pr-ledger__foot {
  margin: 1.5rem 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: rgba(247, 242, 231, .68);
}

/* 双栏：目录 + 速查 */
.page-products .pr-split {
  display: grid;
  gap: 2.5rem;
}

.page-products .pr-split__main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.25;
  margin: .4rem 0 0;
}

.page-products .pr-directory__intro {
  max-width: 36em;
  line-height: 1.8;
  color: var(--ink-700);
  margin: .9rem 0 1.75rem;
}

.page-products .pr-filter__label {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--celadon-500);
  margin: 0 0 .6rem;
}

.page-products .pr-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.page-products .pr-chip {
  display: inline-block;
  padding: .42rem .95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-200);
  background: var(--rice-050);
  color: var(--ink-700);
  font-size: .88rem;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-products .pr-chip:hover,
.page-products .pr-chip:focus-visible {
  border-color: var(--cinnabar-600);
  color: var(--cinnabar-600);
}

.page-products .pr-chip--on {
  background: var(--cinnabar-600);
  border-color: var(--cinnabar-600);
  color: #fff;
  font-weight: 600;
}

.page-products .pr-filter__count {
  font-size: .9rem;
  color: var(--ink-700);
  margin: 0 0 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-200);
}

.page-products .pr-filter__count strong {
  font-size: 1.05rem;
  color: var(--cinnabar-600);
}

.page-products .pr-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .15rem;
}

.page-products .pr-index__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .2rem .75rem;
  padding: .85rem .5rem;
  border-bottom: 1px solid var(--line-200);
  font-size: .9rem;
  line-height: 1.6;
  transition: background-color 140ms ease;
}

.page-products .pr-index__row:hover {
  background: var(--rice-100);
}

.page-products .pr-index__fam {
  font-weight: 700;
  color: var(--ink-900);
}

.page-products .pr-index__row > span:nth-child(3) {
  grid-column: 1 / -1;
  color: var(--cinnabar-600);
  font-size: .85rem;
}

.page-products .pr-index__row > span:nth-child(4) {
  grid-column: 1 / -1;
  color: var(--celadon-500);
  font-size: .85rem;
}

.page-products .pr-index__row--head {
  display: none;
}

.page-products .pr-lookup {
  position: relative;
  padding: .25rem 0 .25rem 1.1rem;
  background: var(--rice-100);
  border-radius: var(--radius-md);
}

.page-products .pr-lookup::before {
  content: "";
  position: absolute;
  left: .55rem;
  top: .75rem;
  bottom: .75rem;
  width: 5px;
  background-image: repeating-linear-gradient(180deg, var(--copper-500) 0 1px, transparent 1px 12px);
  opacity: .7;
}

.page-products .pr-lookup__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: .25rem 0 .75rem;
  padding-right: .75rem;
}

.page-products .pr-lookup__list {
  list-style: none;
  margin: 0 0 .85rem;
  padding: 0 0 0 .1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .3rem .75rem;
}

.page-products .pr-lookup__list li {
  font-size: .8rem;
  color: var(--ink-700);
  padding-left: .5rem;
  border-left: 2px solid rgba(184, 135, 59, .5);
}

.page-products .pr-lookup .note {
  padding-right: .75rem;
}

.page-products .pr-lookup .link-more {
  display: inline-block;
  margin: .5rem 0 .25rem;
  font-size: .88rem;
}

/* 玩法族 */
.page-products .pr-fams__head {
  max-width: 40em;
}

.page-products .pr-fams__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.25;
  margin: .4rem 0 .9rem;
}

.page-products .pr-fams__head p {
  line-height: 1.8;
  color: var(--ink-700);
  margin: 0;
}

.page-products .pr-fams__art {
  margin: 2rem 0;
}

.page-products .pr-fams__art img {
  max-height: 260px;
}

.page-products .pr-fams {
  display: grid;
  gap: 1.5rem;
}

.page-products .pr-fam {
  position: relative;
  padding: 1.5rem 1.25rem 1.35rem;
  background: var(--rice-050);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-products .pr-fam::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 30px 30px 0;
  border-color: transparent var(--copper-500) transparent transparent;
  opacity: .65;
}

.page-products .pr-fam__no {
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--copper-500);
  margin: 0 0 .35rem;
}

.page-products .pr-fam h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 .5rem;
}

.page-products .pr-fam__count {
  font-size: .88rem;
  color: var(--celadon-500);
  margin: 0 0 1rem;
}

.page-products .pr-fam__count .mono {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cinnabar-600);
}

.page-products .pr-fam__meta {
  margin: 0 0 1rem;
  display: grid;
  gap: .55rem;
  font-size: .88rem;
}

.page-products .pr-fam__meta div {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: .5rem;
  align-items: baseline;
}

.page-products .pr-fam__meta dt {
  color: var(--celadon-500);
  font-size: .8rem;
}

.page-products .pr-fam__meta dd {
  margin: 0;
  color: var(--ink-700);
  line-height: 1.6;
}

.page-products .pr-fam__meta dd.mono {
  color: var(--cinnabar-600);
  font-size: .85rem;
}

.page-products .pr-fam__note {
  margin: 0;
  padding-top: .9rem;
  border-top: 1px solid var(--line-200);
  font-size: .85rem;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .pr-fams__foot {
  margin: 2rem 0 0;
  font-size: .9rem;
  color: var(--celadon-500);
}

/* 设备对照 */
.page-products .pr-devices {
  display: grid;
  gap: 2rem;
}

.page-products .pr-devices__figure {
  margin: 0;
}

.page-products .pr-devices__figure img {
  max-height: 420px;
  border-radius: var(--radius-lg);
}

.page-products .pr-devices__figure figcaption {
  margin-top: .6rem;
}

.page-products .pr-devices__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.25;
  margin: .4rem 0 .9rem;
}

.page-products .pr-devices__body > p {
  max-width: 34em;
  line-height: 1.8;
  color: var(--ink-700);
  margin: 0 0 1.35rem;
}

.page-products .pr-tablewrap {
  border-radius: var(--radius-md);
  border: 1px solid var(--line-200);
  background: var(--rice-050);
}

.page-products .pr-devtable {
  min-width: 44rem;
}

.page-products .pr-devtable tbody th {
  font-weight: 700;
  color: var(--ink-900);
  white-space: nowrap;
}

.page-products .pr-devtable tbody tr:hover {
  background: var(--rice-100);
}

.page-products .pr-devices__body .note {
  margin-top: .9rem;
}

/* 结算样例 */
.page-products .pr-sample {
  padding: clamp(1.35rem, 4vw, 2.5rem);
  color: var(--rice-050);
}

.page-products .pr-sample__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.1rem);
  margin: .4rem 0 .8rem;
  color: var(--rice-050);
}

.page-products .pr-sample__head p {
  max-width: 36em;
  line-height: 1.8;
  margin: 0 0 1.5rem;
  color: rgba(247, 242, 231, .82);
}

.page-products .pr-sample .pr-tablewrap {
  background: rgba(247, 242, 231, .06);
  border-color: rgba(247, 242, 231, .22);
}

.page-products .pr-samtable {
  min-width: 40rem;
  color: var(--rice-050);
}

.page-products .pr-samtable thead th {
  background: rgba(247, 242, 231, .1);
  color: var(--rice-050);
  font-size: .8rem;
  letter-spacing: .02em;
}

.page-products .pr-samtable tbody tr {
  border-bottom: 1px solid rgba(247, 242, 231, .12);
}

.page-products .pr-samtable tbody tr:hover {
  background: rgba(184, 135, 59, .22);
}

.page-products .pr-samtable tbody td {
  color: rgba(247, 242, 231, .9);
  font-size: .85rem;
  white-space: nowrap;
}

.page-products .pr-sample__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-products .pr-sample__foot .note {
  color: rgba(247, 242, 231, .6);
  margin: 0;
  flex: 1 1 16rem;
}

/* 入口指引 */
.page-products .pr-entry {
  display: grid;
  gap: 2rem;
}

.page-products .pr-entry__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.25;
  margin: .4rem 0 .9rem;
}

.page-products .pr-entry__body > p {
  max-width: 34em;
  line-height: 1.8;
  color: var(--ink-700);
  margin: 0 0 1.5rem;
}

.page-products .pr-steps {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: pr-step;
}

.page-products .pr-steps li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--line-200);
}

.page-products .pr-steps__no {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--radius-pill);
  background: var(--rice-100);
  border: 1px solid var(--copper-500);
  color: var(--cinnabar-600);
  font-weight: 700;
  font-size: .95rem;
}

.page-products .pr-steps strong {
  display: block;
  font-size: .98rem;
  margin-bottom: .2rem;
}

.page-products .pr-steps span span,
.page-products .pr-steps div > span {
  display: block;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--celadon-500);
}

.page-products .pr-entry__mobile {
  background: var(--rice-100);
  border-left: 3px solid var(--amber-400);
  border-radius: var(--radius-sm);
  padding: .9rem 1rem;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .pr-entry__links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-200);
}

.page-products .pr-entry__figure {
  margin: 0;
}

.page-products .pr-entry__figure img {
  border-radius: var(--radius-lg);
}

.page-products .pr-entry__figure figcaption {
  margin-top: .6rem;
}

/* 断点 */
@media (min-width: 640px) {
  .page-products .pr-lookup__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pr-fams {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.5rem;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero {
    padding-block: 2rem 3.5rem;
  }
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
    gap: 3rem;
  }
  .page-products .pr-band {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .75fr);
    gap: 2.5rem;
    align-items: start;
  }
  .page-products .pr-band__side {
    border-top: 0;
    border-left: 1px solid var(--line-200);
    padding-top: 0;
    padding-left: 1.75rem;
  }
  .page-products .pr-ledger__head {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: start;
    gap: 2.5rem;
  }
  .page-products .pr-ledger__art img {
    max-height: 220px;
  }
  .page-products .pr-ver summary {
    grid-template-columns: 4.5rem 8.5rem minmax(0, 1fr) auto;
    align-items: baseline;
  }
  .page-products .pr-ver__brief {
    grid-column: auto;
  }
  .page-products .pr-split {
    grid-template-columns: minmax(0, 1fr) 272px;
    gap: 3rem;
    align-items: start;
  }
  .page-products .pr-split__aside {
    position: relative;
    height: 100%;
  }
  .page-products .pr-lookup {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    padding: 1.1rem 1rem 1.1rem 1.4rem;
  }
  .page-products .pr-lookup__list {
    grid-template-columns: minmax(0, 1fr);
    gap: .35rem;
  }
  .page-products .pr-index__row {
    grid-template-columns: 1.1fr .45fr 1.25fr 1.2fr;
    align-items: baseline;
    padding: .75rem .6rem;
  }
  .page-products .pr-index__row > span:nth-child(3),
  .page-products .pr-index__row > span:nth-child(4) {
    grid-column: auto;
  }
  .page-products .pr-index__row--head {
    display: grid;
    font-family: var(--font-mono);
    font-size: .74rem;
    letter-spacing: .08em;
    color: var(--celadon-500);
    border-bottom: 1px solid var(--ink-900);
    background: transparent;
  }
  .page-products .pr-index__row--head:hover {
    background: transparent;
  }
  .page-products .pr-devices {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 3rem;
    align-items: start;
  }
  .page-products .pr-devices__figure {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }
  .page-products .pr-entry {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 3rem;
    align-items: start;
  }
  .page-products .pr-fam:nth-child(even) {
    margin-top: 3rem;
  }
  .page-products .pr-fam:nth-child(3) {
    margin-top: -1.25rem;
  }
  .page-products .pr-fams__art img {
    max-height: 300px;
  }
}

@media (min-width: 1180px) {
  .page-products .pr-fams {
    gap: 2rem;
  }
  .page-products .pr-fam {
    padding: 1.85rem 1.6rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-chip,
  .page-products .pr-ver summary,
  .page-products .pr-index__row,
  .page-products .pr-ver__mark::before,
  .page-products .pr-ver__mark::after {
    transition: none;
  }
}
<<<END>>>