.page-products {
  --pr-hi-bg: rgba(255, 194, 75, .26);
  --pr-hi-bg-soft: rgba(255, 194, 75, .13);
  --pr-rule: rgba(30, 27, 38, .12);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  padding-block: clamp(30px, 5vw, 56px) clamp(44px, 6vw, 76px);
  overflow: hidden;
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  left: 34%;
  right: -12%;
  bottom: -28%;
  height: 200px;
  background: linear-gradient(90deg, var(--coral), var(--hi) 46%, var(--volt));
  transform: rotate(-7deg);
  filter: blur(50px);
  opacity: .15;
  pointer-events: none;
}

.page-products .pr-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-products .pr-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5vw, 60px);
  line-height: 1.07;
  letter-spacing: -.022em;
  color: var(--ink);
  margin: 16px 0 20px;
}

.page-products .pr-hero-lede {
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.82;
  color: var(--ink-soft);
  margin: 0;
}

.page-products .pr-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pr-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 14px;
  border-left: 3px solid var(--coral);
}

.page-products .pr-hero-facts .num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-products .pr-hero-facts li span:last-child {
  font-size: 13px;
  color: var(--rock);
}

.page-products .pr-hero-visual {
  border: var(--line);
  border-radius: var(--r-soft);
  background: linear-gradient(152deg, var(--stone), var(--paper) 48%, #EDE6F6);
  box-shadow: var(--shadow-hard-lg);
  padding: clamp(14px, 2vw, 22px);
}

.page-products .pr-hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pr-index {
  margin-top: clamp(34px, 5vw, 56px);
}

/* ---------- 两版对照 ---------- */
.page-products .pr-compare-head {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .pr-compare-intro h2 {
  margin: 12px 0 16px;
}

.page-products .pr-compare-intro p {
  color: var(--ink-soft);
  line-height: 1.8;
}

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

.page-products .pr-switch {
  position: relative;
  margin-top: clamp(34px, 5vw, 56px);
}

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

.page-products .pr-switch-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  border: var(--line);
  border-radius: var(--r-capsule);
  background: var(--paper);
  box-shadow: var(--shadow-hard-sm);
}

.page-products .pr-tab {
  cursor: pointer;
  padding: 10px 26px;
  border-radius: var(--r-capsule);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-products .pr-tab:hover {
  background: var(--stone);
}

.page-products #pr-ver-current:checked ~ .pr-switch-tabs .pr-tab[for="pr-ver-current"],
.page-products #pr-ver-prev:checked ~ .pr-switch-tabs .pr-tab[for="pr-ver-prev"] {
  background: var(--ink);
  color: var(--paper);
}

.page-products .pr-radio:focus-visible ~ .pr-switch-tabs .pr-tab {
  outline: 2px dashed var(--volt);
  outline-offset: 3px;
}

.page-products .pr-panels {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.page-products .pr-version {
  border: var(--line);
  border-radius: var(--r-card);
  background: var(--paper);
  padding: 22px 22px 16px;
  box-shadow: var(--shadow-hard);
  transform: rotate(-.5deg);
  transition: opacity .22s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}

.page-products .pr-version--prev {
  transform: rotate(.5deg);
}

.page-products #pr-ver-current:checked ~ .pr-panels .pr-version--prev,
.page-products #pr-ver-prev:checked ~ .pr-panels .pr-version--current {
  opacity: .4;
  box-shadow: var(--shadow-hard-sm);
}

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

.page-products .pr-version-meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--rock);
}

.page-products .pr-version-note {
  margin: 14px 0 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .pr-version-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-version-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 10px;
  border-radius: 8px;
  border-bottom: 1px dashed var(--pr-rule);
  transition: background .16s var(--ease);
}

.page-products .pr-version-list li:last-child {
  border-bottom: 0;
}

.page-products .pr-version-list li:hover {
  background: var(--pr-hi-bg-soft);
}

.page-products .pr-version--current .pr-version-list li.pr-changed {
  background: var(--pr-hi-bg);
  box-shadow: inset 3px 0 0 var(--clay);
}

.page-products .pr-vline {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pr-vval {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  transition: color .12s var(--ease);
}

.page-products .pr-version--current:hover .pr-vval {
  color: var(--clay);
}

.page-products .pr-switch-foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock);
  max-width: 54ch;
}

/* ---------- 产品线明细 ---------- */
.page-products .pr-lines-head {
  margin-bottom: clamp(24px, 3.5vw, 38px);
}

.page-products .pr-lines-head h2 {
  margin: 12px 0 16px;
}

.page-products .pr-lines-head p {
  color: var(--ink-soft);
  line-height: 1.8;
}

.page-products .pr-table-wrap {
  overflow-x: auto;
  border: var(--line);
  border-radius: var(--r-card);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pr-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 15px 16px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
  white-space: nowrap;
  text-align: right;
}

.page-products .pr-table thead th:first-child {
  left: 0;
  z-index: 3;
  text-align: left;
}

.page-products .pr-table tbody th,
.page-products .pr-table tbody td {
  padding: 16px;
  border-bottom: 2px solid var(--pr-rule);
  white-space: nowrap;
  text-align: right;
  font-weight: 400;
  color: var(--ink-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-table tbody th.pr-line-cell {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--paper);
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  border-right: 1px dashed var(--pr-rule);
  box-shadow: 8px 0 12px -12px rgba(30, 27, 38, .5);
}

.page-products .pr-table .num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
}

.page-products .pr-table .pr-role {
  font-family: var(--font-editorial);
  font-size: 14.5px;
  color: var(--rock);
  text-align: left;
}

.page-products .pr-table tbody tr:hover th.pr-line-cell {
  background: #FBEBC6;
}

.page-products .pr-table tbody tr:hover td {
  background: var(--pr-hi-bg-soft);
}

.page-products .pr-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 9px;
  border-radius: 2px;
  transform: rotate(45deg);
  vertical-align: middle;
}

.page-products .pr-dot--air { background: var(--coral); }
.page-products .pr-dot--core { background: var(--volt); }
.page-products .pr-dot--max { background: var(--moss); }
.page-products .pr-dot--pro { background: var(--clay); }

.page-products .pr-lines-figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

/* ---------- 本月调整 ---------- */
.page-products .pr-updates-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .pr-updates-main h2 {
  margin: 12px 0 16px;
}

.page-products .pr-updates-lede {
  color: var(--ink-soft);
  line-height: 1.8;
}

.page-products .pr-updates-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .pr-update-detail {
  border: var(--line);
  border-radius: var(--r-card);
  background: var(--paper);
  box-shadow: var(--shadow-hard-sm);
  transition: box-shadow .18s var(--ease), transform .18s var(--ease);
}

.page-products .pr-update-detail:hover {
  box-shadow: var(--shadow-hard);
  transform: translate(-2px, -2px);
}

.page-products .pr-update-detail summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--ink);
}

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

.page-products .pr-update-detail summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--volt);
  transition: transform .18s var(--ease);
}

.page-products .pr-update-detail[open] summary::after {
  transform: rotate(45deg);
}

.page-products .pr-update-title {
  font-size: 15.5px;
}

.page-products .pr-update-delta {
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  background: var(--hi);
  padding: 3px 10px;
  border-radius: 6px;
  border: 1.5px solid var(--ink);
}

.page-products .pr-update-detail .faq-body {
  padding: 0 20px 18px;
  border-top: 1px dashed var(--pr-rule);
}

.page-products .pr-update-detail .faq-body p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-products .pr-updates-link {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}

.page-products .pr-updates-side {
  display: grid;
  gap: 20px;
}

.page-products .pr-updates-side .media-frame {
  margin: 0;
}

.page-products .pr-side-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 四类费用 ---------- */
.page-products .pr-cat-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

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

.page-products .pr-cat-copy h2 {
  margin: 12px 0 16px;
}

.page-products .pr-cat-copy > p {
  color: var(--ink-soft);
  line-height: 1.8;
}

.page-products .pr-cat-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-products .pr-cat-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 18px 18px 18px 0;
  border-top: var(--line);
}

.page-products .pr-cat-index {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--coral);
  line-height: 1.2;
}

.page-products .pr-cat-title {
  margin: 0 0 8px;
  font-family: var(--font-editorial);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pr-cat-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

/* ---------- 资料与资源包 ---------- */
.page-products .pr-downloads-head {
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-products .pr-downloads-head h2 {
  margin: 12px 0 16px;
}

.page-products .pr-downloads-head p {
  color: var(--ink-soft);
  line-height: 1.8;
}

.page-products .pr-downloads-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .pr-steps {
  display: grid;
  gap: 16px;
  margin: 0;
}

.page-products .pr-steps .step {
  position: relative;
  border: var(--line);
  border-radius: var(--r-card);
  background: var(--paper);
  padding: 22px 22px 20px 26px;
  box-shadow: var(--shadow-hard-sm);
}

.page-products .pr-steps .step::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 22px;
  bottom: 22px;
  width: 6px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--coral), var(--volt));
}

.page-products .pr-steps .step-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--volt);
}

.page-products .pr-steps .step-title {
  margin: 8px 0 10px;
  font-family: var(--font-editorial);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pr-steps .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

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

/* ---------- 常见问题 ---------- */
.page-products .pr-faq-head {
  margin-bottom: clamp(22px, 3.5vw, 34px);
}

.page-products .pr-faq-head h2 {
  margin: 12px 0 0;
}

.page-products .pr-faq-list {
  display: grid;
  gap: 12px;
}

.page-products .pr-faq-item {
  border: var(--line);
  border-radius: var(--r-card);
  background: var(--paper);
  box-shadow: var(--shadow-hard-sm);
  transition: box-shadow .18s var(--ease), transform .18s var(--ease);
}

.page-products .pr-faq-item:hover {
  box-shadow: var(--shadow-hard);
  transform: translate(-2px, -2px);
}

.page-products .pr-faq-item summary {
  position: relative;
  padding: 18px 56px 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-editorial);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-products .pr-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--volt);
  transition: transform .18s var(--ease);
}

.page-products .pr-faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-products .pr-faq-item .faq-body {
  padding: 0 20px 20px;
  border-top: 1px dashed var(--pr-rule);
}

.page-products .pr-faq-item .faq-body p {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .pr-faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

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

@media (min-width: 900px) {
  .page-products .pr-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 4vw, 60px);
  }

  .page-products .pr-compare-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pr-updates-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-products .pr-cat-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pr-downloads-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (min-width: 1080px) {
  .page-products .pr-hero-copy {
    padding-right: 8px;
  }
}

@media (max-width: 619px) {
  .page-products .pr-version {
    transform: none;
  }

  .page-products .pr-version--prev {
    transform: none;
  }

  .page-products .pr-tab {
    padding: 10px 18px;
    font-size: 13px;
  }

  .page-products .pr-hero-facts {
    gap: 16px 22px;
  }

  .page-products .pr-hero-facts li {
    min-width: 78px;
  }

  .page-products .pr-update-delta {
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-version,
  .page-products .pr-update-detail,
  .page-products .pr-faq-item,
  .page-products .pr-tab,
  .page-products .pr-vval,
  .page-products .pr-version-list li {
    transition: none;
  }

  .page-products .pr-update-detail:hover,
  .page-products .pr-faq-item:hover {
    transform: none;
  }
}