.page-products {
  --pr-gutter: 20px;
  --pr-radius: var(--r-card);
  background: var(--base);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .pr-vis {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  overflow: hidden;
  padding: 44px 0 52px;
  background: linear-gradient(168deg, var(--base) 0%, var(--shade) 100%);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
  pointer-events: none;
}

.page-products .pr-hero__grid {
  position: relative;
  display: grid;
  gap: 36px;
}

.page-products .pr-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pr-hero__lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.84;
}

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

.page-products .pr-hero__panel {
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  background: rgba(18, 58, 94, 0.6);
  padding: 20px 20px 18px;
}

.page-products .pr-hero__panel-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-products .pr-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pr-hero__stats li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 4px 12px;
  padding-left: 14px;
  border-left: 2px solid var(--line-signal);
}

.page-products .pr-hero__k {
  font-size: 13px;
  color: var(--muted);
}

.page-products .pr-hero__v {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.2;
  color: var(--signal);
}

.page-products .pr-hero__v em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
  margin-left: 3px;
}

.page-products .pr-hero__n {
  grid-column: 1 / -1;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 通用章节 ---------- */
.page-products .pr-section {
  padding-block: 56px;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-section--last {
  border-bottom: 0;
  padding-bottom: 64px;
}

.page-products .pr-head {
  max-width: 720px;
}

.page-products .pr-head__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
  font-weight: 600;
}

.page-products .pr-head__lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 工具矩阵 ---------- */
.page-products .pr-tools__grid {
  margin-top: 32px;
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  overflow: hidden;
}

.page-products .pr-tool {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  background: var(--base);
  transition: background 0.22s ease;
}

.page-products .pr-tool:hover {
  background: var(--surface);
}

.page-products .pr-tool__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-products .pr-tool__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-products .pr-tool__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  padding: 2px 10px;
}

.page-products .pr-tool__name {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pr-tool__desc {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pr-tool__link {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 13px;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--line-signal);
  padding-bottom: 2px;
}

.page-products .pr-tool__link:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 手机双层导航 ---------- */
.page-products .pr-nav__split {
  margin-top: 34px;
  display: grid;
  gap: 32px;
}

.page-products .pr-nav__stage {
  position: relative;
}

.page-products .pr-phone {
  position: relative;
  width: min(100%, 290px);
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

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

.page-products .pr-hot {
  position: absolute;
  left: 8%;
  width: 84%;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--signal);
  background: rgba(7, 30, 51, 0.82);
  border: 1px solid var(--signal);
  border-radius: var(--r-pill);
  padding: 7px 6px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-products .pr-hot--top { top: 5%; }
.page-products .pr-hot--mid { top: 46%; }
.page-products .pr-hot--bottom { bottom: 6%; }

.page-products .pr-nav__pane {
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  background: var(--surface);
  padding: 22px 20px;
}

.page-products .pr-nav__pane + .pr-nav__pane {
  margin-top: 16px;
}

.page-products .pr-nav__pane-title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pr-nav__pane p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pr-nav__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .pr-nav__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.86;
}

.page-products .pr-nav__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

.page-products .pr-nav:has(#hz1:checked) label[for="hz1"],
.page-products .pr-nav:has(#hz2:checked) label[for="hz2"],
.page-products .pr-nav:has(#hz3:checked) label[for="hz3"] {
  background: var(--signal);
  color: var(--shade);
}

.page-products .pr-nav:has(#hz1:checked) .pr-nav__pane:not([data-pane="1"]),
.page-products .pr-nav:has(#hz2:checked) .pr-nav__pane:not([data-pane="2"]),
.page-products .pr-nav:has(#hz3:checked) .pr-nav__pane:not([data-pane="3"]) {
  display: none;
}

/* ---------- 差异表 ---------- */
.page-products .pr-diff__figure {
  margin: 30px 0 0;
}

.page-products .pr-diff__figure .figure__media,
.page-products .pr-rec__figure .figure__media,
.page-products .pr-dl__figure .figure__media,
.page-products .pr-bm__figure .figure__media {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  background: var(--surface);
}

.page-products .pr-diff__figure img,
.page-products .pr-rec__figure img,
.page-products .pr-dl__figure img,
.page-products .pr-bm__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pr-diff__scroll {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  background: var(--base);
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-diff__scroll:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-products .pr-diff__table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .pr-diff__table thead th {
  padding: 13px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .pr-diff__newHead {
  color: var(--signal);
}

.page-products .pr-diff__pickHead {
  width: 52px;
}

.page-products .pr-diff__groupRow th {
  padding: 10px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mint);
  background: rgba(0, 229, 199, 0.07);
  border-top: 1px solid var(--line);
}

.page-products .pr-diff__table tbody tr:not(.pr-diff__groupRow) {
  border-top: 1px solid var(--line);
  transition: background 0.2s ease;
}

.page-products .pr-diff__table td,
.page-products .pr-diff__table tbody th {
  padding: 14px;
  text-align: left;
  vertical-align: top;
  font-weight: 400;
  line-height: 1.65;
}

.page-products .pr-diff__pick {
  width: 52px;
  position: relative;
}

.page-products .pr-diff__check {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.page-products .pr-diff__tick {
  display: inline-flex;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-products .pr-diff__check:checked + .pr-diff__tick {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: inset 0 0 0 4px var(--base);
}

.page-products .pr-diff__check:focus-visible + .pr-diff__tick {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-products .pr-diff__table tbody tr:has(.pr-diff__check:checked) {
  background: rgba(0, 229, 199, 0.08);
}

.page-products .pr-diff__item {
  color: var(--paper);
  font-weight: 600 !important;
  white-space: nowrap;
  box-shadow: inset 3px 0 0 var(--diff);
  padding-left: 16px !important;
}

.page-products .pr-diff__item code,
.page-products .pr-diff__old code,
.page-products .pr-diff__new code {
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-products .pr-diff__old {
  color: var(--muted);
  filter: saturate(0.5);
}

.page-products .pr-diff__new {
  color: var(--paper);
  background: rgba(0, 229, 199, 0.05);
  box-shadow: inset 1px 0 0 var(--line-signal), inset -1px 0 0 var(--line-signal);
}

.page-products .pr-diff__tag {
  white-space: nowrap;
}

.page-products .pr-diff__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pr-diff__note a,
.page-products .pr-dl__note a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--line-signal);
}

.page-products .pr-diff__note a:hover,
.page-products .pr-dl__note a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 记录筛选 ---------- */
.page-products .pr-rec__split {
  margin-top: 32px;
  display: grid;
  gap: 30px;
}

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

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

.page-products .pr-rec__steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
}

.page-products .pr-rec__n {
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: center;
  padding: 3px 0;
  color: var(--diff);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
}

.page-products .pr-rec__steps h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pr-rec__steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pr-rec__fields {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  background: var(--surface);
}

.page-products .pr-rec__fields-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-products .pr-rec__fields ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-rec__fields li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pr-rec__fields code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
}

/* ---------- 下载区 ---------- */
.page-products .pr-dl__wrap {
  margin-top: 30px;
}

.page-products .pr-dl__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .pr-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.page-products .pr-dl__wrap:has(#f-all:checked) label[for="f-all"],
.page-products .pr-dl__wrap:has(#f-config:checked) label[for="f-config"],
.page-products .pr-dl__wrap:has(#f-list:checked) label[for="f-list"],
.page-products .pr-dl__wrap:has(#f-book:checked) label[for="f-book"],
.page-products .pr-dl__wrap:has(#f-doc:checked) label[for="f-doc"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--shade);
}

.page-products .pr-dl__body {
  display: grid;
  gap: 28px;
}

.page-products .pr-dl__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  overflow: hidden;
}

.page-products .pr-dl__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  padding: 15px 18px;
  background: var(--base);
}

.page-products .pr-dl__row + .pr-dl__row {
  border-top: 1px solid var(--line);
}

.page-products .pr-dl__meta {
  min-width: 0;
  flex: 1 1 220px;
}

.page-products .pr-dl__name {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pr-dl__spec {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .pr-dl__spec code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
  word-break: break-all;
}

.page-products .pr-dl__wrap:has(#f-config:checked) .pr-dl__row:not([data-cat="config"]),
.page-products .pr-dl__wrap:has(#f-list:checked) .pr-dl__row:not([data-cat="list"]),
.page-products .pr-dl__wrap:has(#f-book:checked) .pr-dl__row:not([data-cat="book"]),
.page-products .pr-dl__wrap:has(#f-doc:checked) .pr-dl__row:not([data-cat="doc"]) {
  display: none;
}

.page-products .pr-dl__figure {
  margin: 0 0 14px;
}

.page-products .pr-dl__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 收藏与同步 ---------- */
.page-products .pr-bm__wrap {
  margin-top: 30px;
}

.page-products .pr-bm__switch {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: var(--shade);
}

.page-products .pr-bm__switch label {
  padding: 8px 16px;
  border-radius: var(--r-pill);
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-products .pr-bm__switch label:hover {
  color: var(--paper);
}

.page-products .pr-bm__wrap:has(#bm-browser:checked) label[for="bm-browser"],
.page-products .pr-bm__wrap:has(#bm-site:checked) label[for="bm-site"] {
  background: var(--signal);
  color: var(--shade);
}

.page-products .pr-bm__body {
  margin-top: 22px;
  display: grid;
  gap: 26px;
}

.page-products .pr-bm__pane {
  padding: 22px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  background: var(--surface);
}

.page-products .pr-bm__pane + .pr-bm__pane {
  margin-top: 16px;
}

.page-products .pr-bm__pane-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pr-bm__pane p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pr-bm__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .pr-bm__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.86;
}

.page-products .pr-bm__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--diff);
}

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

.page-products .pr-bm__wrap:has(#bm-browser:checked) .pr-bm__pane[data-pane="site"],
.page-products .pr-bm__wrap:has(#bm-site:checked) .pr-bm__pane[data-pane="browser"] {
  display: none;
}

/* ---------- 下一步 ---------- */
.page-products .pr-next__grid {
  display: grid;
  gap: 14px;
}

.page-products .pr-next__card {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  background: var(--base);
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease, background 0.22s ease;
}

.page-products .pr-next__card:hover {
  border-color: var(--line-signal);
  background: var(--surface);
  transform: translateY(-2px);
}

.page-products .pr-next__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal);
  margin-bottom: 10px;
}

.page-products .pr-next__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pr-next__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pr-tools__grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 900px) {
  .page-products {
    --pr-gutter: 24px;
  }

  .page-products .pr-hero {
    padding: 68px 0 84px;
  }

  .page-products .pr-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: end;
    gap: 56px;
  }

  .page-products .pr-section {
    padding-block: 88px;
  }

  .page-products .pr-section--last {
    padding-bottom: 96px;
  }

  .page-products .pr-nav__split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 48px;
  }

  .page-products .pr-rec__split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 44px;
  }

  .page-products .pr-bm__body {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
    gap: 30px;
  }
}

@media (min-width: 960px) {
  .page-products .pr-dl__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 36px;
  }
}

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

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-tool,
  .page-products .pr-next__card,
  .page-products .pr-chip,
  .page-products .pr-hot,
  .page-products .pr-bm__switch label {
    transition: none;
  }

  .page-products .pr-next__card:hover {
    transform: none;
  }
}