/* ============================================================
   资料下载与对照 · page-products
   ============================================================ */

.page-products {
  --pr-cut: 16px;
  --pr-card-line: rgba(28, 23, 16, .16);
  --pr-amber-hair: rgba(217, 162, 43, .38);
}

/* ---------- 首屏 ---------- */

.page-products .pr-hero {
  position: relative;
  padding-top: 28px;
  padding-bottom: 64px;
  isolation: isolate;
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(217, 162, 43, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 162, 43, .07) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(120% 90% at 78% 30%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 78% 30%, #000 0%, transparent 72%);
}

.page-products .pr-hero > .dc-shell {
  position: relative;
  z-index: 1;
}

.page-products .pr-hero .dc-crumb {
  font-family: var(--dc-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: rgba(247, 243, 233, .66);
  margin-bottom: 36px;
}

.page-products .pr-hero .dc-crumb a {
  color: rgba(247, 243, 233, .9);
  text-decoration: none;
  border-bottom: 1px solid var(--pr-amber-hair);
}

.page-products .pr-hero .dc-crumb a:hover {
  color: var(--dc-amber-bright);
}

.page-products .pr-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-products .pr-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--dc-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--dc-amber);
}

.page-products .pr-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--dc-amber);
}

.page-products .pr-hero .dc-title {
  color: var(--dc-porcelain);
}

.page-products .pr-hero__lede {
  margin-top: 20px;
  color: rgba(247, 243, 233, .78);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .pr-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--dc-felt-line);
}

.page-products .pr-stat {
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
  margin: 0;
}

.page-products .pr-stat__k {
  margin: 0;
  font-family: var(--dc-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--dc-amber-bright);
  line-height: 1.2;
}

.page-products .pr-stat__v {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(247, 243, 233, .6);
}

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

.page-products .pr-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pr-amber-hair);
  box-shadow: 16px 16px 0 -6px rgba(7, 20, 16, .55);
}

/* ---------- 资料台骨架 ---------- */

.page-products .pr-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-products .pr-index__label {
  margin: 0 0 12px;
  font-family: var(--dc-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--dc-gray);
}

.page-products .pr-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pr-index__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 500;
  color: var(--dc-brown);
  text-decoration: none;
  background: var(--dc-paper);
  border: 1px solid var(--pr-card-line);
  transition: color .2s var(--dc-ease), background-color .2s var(--dc-ease), border-color .2s var(--dc-ease);
}

.page-products .pr-index__chip {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--dc-cool);
  transition: background-color .2s var(--dc-ease), border-color .2s var(--dc-ease);
}

.page-products .pr-index__item:hover,
.page-products .pr-index__item:focus-visible {
  color: var(--dc-ink);
  background: var(--dc-amber-soft);
  border-color: var(--dc-amber);
}

.page-products .pr-index__item:hover .pr-index__chip,
.page-products .pr-index__item:focus-visible .pr-index__chip {
  background: var(--dc-amber);
  border-color: var(--dc-amber);
}

.page-products .pr-stack {
  display: grid;
  gap: 68px;
  min-width: 0;
}

.page-products .pr-block {
  scroll-margin-top: calc(var(--dc-header-h) + 28px);
  min-width: 0;
}

.page-products #errors {
  scroll-margin-top: calc(var(--dc-header-h) + 28px);
}

.page-products .pr-block__head {
  display: grid;
  gap: 12px;
  max-width: 68ch;
  margin-bottom: 30px;
}

.page-products .pr-block__head .dc-tag {
  justify-self: start;
}

.page-products .dc-title--md {
  margin: 0;
  color: var(--dc-brown);
}

.page-products .pr-block__head .dc-lede {
  margin: 0;
  color: var(--dc-gray);
}

.page-products .pr-body {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--dc-brown);
}

.page-products .pr-body--ink {
  color: rgba(247, 243, 233, .82);
}

.page-products .pr-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--dc-amber);
  font-size: 14px;
  line-height: 1.7;
  color: var(--dc-gray);
}

.page-products .pr-note a {
  color: var(--dc-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--pr-amber-hair);
}

.page-products .pr-note a:hover {
  color: var(--dc-cinnabar);
}

.page-products .pr-note--ink {
  color: rgba(247, 243, 233, .68);
}

/* ---------- 概览资料卡 ---------- */

.page-products .pr-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  perspective: 1400px;
}

.page-products .pr-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 22px;
  background: var(--dc-paper);
  border: 1px solid var(--pr-card-line);
  border-top: 3px solid var(--dc-amber);
  overflow: hidden;
  transition: transform .24s var(--dc-ease), box-shadow .24s var(--dc-ease), border-color .24s var(--dc-ease);
}

.page-products .pr-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--pr-cut);
  height: var(--pr-cut);
  background: var(--dc-porcelain);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-products .pr-card:hover {
  transform: translateY(-4px);
  border-color: var(--dc-amber);
  box-shadow: 0 14px 0 -8px rgba(217, 162, 43, .55);
}

.page-products .pr-card__tag {
  align-self: flex-start;
  margin: 0;
  padding: 3px 9px;
  font-family: var(--dc-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--dc-ink);
  background: var(--dc-amber);
}

.page-products .pr-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--dc-brown);
}

.page-products .pr-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--dc-gray);
}

.page-products .pr-card__meta {
  margin: 0;
  font-family: var(--dc-mono);
  font-size: 12.5px;
  color: var(--dc-cool);
}

.page-products .pr-card__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dc-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--dc-amber);
  padding-bottom: 2px;
}

.page-products .pr-card__link:hover {
  color: var(--dc-cinnabar);
  border-bottom-color: var(--dc-cinnabar);
}

/* ---------- 图文分栏 ---------- */

.page-products .pr-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

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

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

.page-products .pr-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pr-card-line);
  object-fit: cover;
}

.page-products .pr-figure__cap {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--dc-gray);
}

.page-products .pr-figure--portrait img {
  max-width: 460px;
  margin: 0 auto;
}

.page-products .pr-figure--wide img {
  border-color: var(--dc-felt-line);
}

/* ---------- 手风琴（注册资料包） ---------- */

.page-products .pr-acc {
  border-top: 1px solid var(--pr-card-line);
  margin-bottom: 4px;
}

.page-products .pr-acc .dc-acc__item {
  border-bottom: 1px solid var(--pr-card-line);
}

.page-products .pr-acc__h {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-products .pr-acc .dc-acc__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 17px 4px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font: inherit;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--dc-brown);
  transition: color .2s var(--dc-ease);
}

.page-products .pr-acc .dc-acc__btn:hover {
  color: var(--dc-cinnabar);
}

.page-products .pr-acc__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.page-products .pr-acc__sign::before,
.page-products .pr-acc__sign::after {
  content: "";
  position: absolute;
  background: var(--dc-amber);
  transition: transform .2s var(--dc-ease);
}

.page-products .pr-acc__sign::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-products .pr-acc__sign::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-products .pr-acc .dc-acc__btn[aria-expanded="true"] .pr-acc__sign::after {
  transform: scaleY(0);
}

.page-products .pr-acc .dc-acc__panel {
  padding: 0 4px 20px;
}

.page-products .pr-acc .dc-acc__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--dc-gray);
}

/* ---------- 统计维度 + 分段控件 ---------- */

.page-products .pr-dims {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pr-dims li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--dc-paper);
  border-left: 2px solid var(--dc-amber);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--dc-gray);
}

.page-products .pr-dims__k {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--dc-ink);
}

.page-products .pr-tabs {
  margin-top: 6px;
}

.page-products .pr-tabs .dc-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--pr-card-line);
}

.page-products .pr-tabs .dc-tab {
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 20px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--dc-gray);
  cursor: pointer;
  transition: color .2s var(--dc-ease), background-color .2s var(--dc-ease), border-color .2s var(--dc-ease);
}

.page-products .pr-tabs .dc-tab:hover {
  color: var(--dc-ink);
}

.page-products .pr-tabs .dc-tab[aria-selected="true"] {
  color: var(--dc-ink);
  background: var(--dc-amber-soft);
  border-bottom-color: var(--dc-amber);
}

.page-products .pr-tabs .dc-panel {
  padding: 20px 4px 4px;
}

.page-products .pr-tabs .dc-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--dc-brown);
}

/* ---------- 深色面板：设备与报错 ---------- */

.page-products .pr-panel--ink {
  position: relative;
  padding: 32px 22px;
  background: var(--dc-ink);
  border: 1px solid var(--dc-felt-line);
}

.page-products .pr-panel--ink::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 84px;
  height: 3px;
  background: var(--dc-amber);
}

.page-products .pr-panel--ink .dc-title--md {
  color: var(--dc-porcelain);
}

.page-products .pr-panel--ink .dc-lede {
  color: rgba(247, 243, 233, .74);
}

.page-products .pr-subhead {
  margin: 42px 0 12px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--dc-brown);
}

.page-products .pr-panel--ink .pr-subhead {
  color: var(--dc-porcelain);
}

.page-products .pr-panel--ink .pr-figure img {
  border-color: var(--dc-felt-line);
}

/* ---------- 对照表 ---------- */

.page-products .pr-table-wrap {
  margin: 26px 0 0;
  overflow-x: auto;
  border: 1px solid var(--pr-card-line);
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .pr-table__cap {
  caption-side: top;
  padding: 12px 14px;
  text-align: left;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--dc-gray);
  background: var(--dc-paper);
  border-bottom: 1px solid var(--pr-card-line);
}

.page-products .pr-table th,
.page-products .pr-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--pr-card-line);
  vertical-align: top;
}

.page-products .pr-table thead th {
  background: var(--dc-paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--dc-brown);
  white-space: nowrap;
  border-bottom: 1px solid var(--dc-amber);
}

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

.page-products .pr-table tbody tr {
  transition: background-color .18s var(--dc-ease);
}

.page-products .pr-table tbody tr:hover {
  background: var(--dc-amber-soft);
}

.page-products .pr-table tbody tr:last-child th,
.page-products .pr-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pr-panel--ink .pr-table-wrap {
  border-color: var(--dc-felt-line);
}

.page-products .pr-panel--ink .pr-table th,
.page-products .pr-panel--ink .pr-table td {
  border-bottom-color: var(--dc-felt-line);
  color: rgba(247, 243, 233, .9);
}

.page-products .pr-panel--ink .pr-table thead th {
  background: var(--dc-felt);
  color: var(--dc-amber-bright);
  border-bottom-color: var(--dc-amber);
}

.page-products .pr-panel--ink .pr-table tbody th {
  color: var(--dc-amber-bright);
}

.page-products .pr-panel--ink .pr-table tbody tr:hover {
  background: rgba(217, 162, 43, .12);
}

/* ---------- 版本编号 ---------- */

.page-products .pr-code {
  display: inline-flex;
  align-items: stretch;
  gap: 6px;
  margin: 0 0 28px;
  padding: 14px 18px;
  background: var(--dc-ink);
  border: 1px solid var(--dc-felt-line);
}

.page-products .pr-code__chunk {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-family: var(--dc-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-products .pr-code__chunk--cat {
  background: var(--dc-amber);
  color: var(--dc-ink);
}

.page-products .pr-code__chunk--num {
  background: var(--dc-felt);
  color: var(--dc-porcelain);
}

.page-products .pr-code__chunk--ver {
  background: transparent;
  color: var(--dc-amber-bright);
  border: 1px solid var(--dc-amber);
}

.page-products .pr-code__sep {
  display: inline-flex;
  align-items: center;
  font-family: var(--dc-mono);
  font-size: 20px;
  color: rgba(247, 243, 233, .5);
}

.page-products .pr-legend {
  margin-bottom: 30px;
}

.page-products .pr-legend__item {
  padding: 18px 18px 20px;
  background: var(--dc-paper);
  border: 1px solid var(--pr-card-line);
  border-top: 2px solid var(--dc-cool);
}

.page-products .pr-legend__k {
  margin: 0 0 8px;
  font-family: var(--dc-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--dc-ink);
}

.page-products .pr-legend__v {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--dc-gray);
}

.page-products .pr-howto {
  padding: 26px 24px 28px;
  background: var(--dc-paper);
  border: 1px solid var(--pr-card-line);
}

.page-products .pr-howto .pr-subhead {
  margin-top: 0;
}

.page-products .pr-howto__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pr-howto__list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--dc-gray);
}

.page-products .pr-howto__list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--dc-amber);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22% 100%);
}

/* ---------- 来源与时间线 ---------- */

.page-products .pr-origin {
  margin-bottom: 44px;
}

.page-products .pr-origin__col {
  padding: 24px 22px 26px;
  background: var(--dc-paper);
  border: 1px solid var(--pr-card-line);
}

.page-products .pr-origin__k {
  margin: 0 0 8px;
  font-family: var(--dc-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--dc-cinnabar);
}

.page-products .pr-origin__t {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--dc-brown);
}

.page-products .pr-origin__b {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dc-gray);
}

.page-products .pr-origin__b a {
  color: var(--dc-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--pr-amber-hair);
}

.page-products .pr-origin__b a:hover {
  color: var(--dc-cinnabar);
}

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

.page-products .pr-timeline__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--pr-card-line);
}

.page-products .pr-timeline__year {
  font-family: var(--dc-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--dc-cinnabar);
}

.page-products .pr-timeline__t {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--dc-brown);
}

.page-products .pr-timeline__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dc-gray);
}

/* ---------- 结尾行动区 ---------- */

.page-products .pr-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-products .pr-cta .dc-title {
  margin: 0 0 12px;
  color: var(--dc-porcelain);
}

.page-products .pr-cta__copy p {
  margin: 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(247, 243, 233, .76);
}

.page-products .pr-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============================================================
   断点
   ============================================================ */

@media (min-width: 640px) {
  .page-products .pr-cta {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-products .pr-cta__actions {
    justify-content: flex-end;
  }

  .page-products .pr-timeline__item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-products .pr-timeline__year {
    padding-top: 3px;
  }
}

@media (min-width: 720px) {
  .page-products .pr-cards {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pr-cards > :nth-child(1) { grid-column: span 4; }
  .page-products .pr-cards > :nth-child(2) { grid-column: span 2; margin-top: 26px; }
  .page-products .pr-cards > :nth-child(3) { grid-column: span 2; }
  .page-products .pr-cards > :nth-child(4) { grid-column: span 4; margin-top: 26px; }
  .page-products .pr-cards > :nth-child(5) { grid-column: span 6; }

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

  .page-products .pr-panel--ink {
    padding: 46px 42px 50px;
  }
}

@media (min-width: 860px) {
  .page-products .pr-hero {
    padding-top: 40px;
    padding-bottom: 88px;
  }

  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: 64px;
  }

  .page-products .pr-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 44px;
  }

  .page-products .pr-split--flip {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }

  .page-products .pr-figure--portrait img {
    margin: 0;
  }

  .page-products .pr-howto {
    padding: 32px 34px 34px;
  }
}

@media (min-width: 1040px) {
  .page-products .pr-board {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-products .pr-index {
    position: sticky;
    top: calc(var(--dc-header-h) + 32px);
  }

  .page-products .pr-index__list {
    flex-direction: column;
    gap: 3px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-products .pr-index__item {
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    padding: 10px 12px;
  }

  .page-products .pr-index__item:hover,
  .page-products .pr-index__item:focus-visible {
    background: var(--dc-amber-soft);
    border-left-color: var(--dc-amber);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-card,
  .page-products .pr-index__item,
  .page-products .pr-card__link,
  .page-products .pr-acc .dc-acc__btn,
  .page-products .pr-acc__sign::before,
  .page-products .pr-acc__sign::after,
  .page-products .pr-tabs .dc-tab {
    transition: none;
  }

  .page-products .pr-card:hover {
    transform: none;
  }
}
</main>