.page-products {
  --pr-space: clamp(3.4rem, 8vw, 7rem);
  --pr-cell-radius: 14px;
  --pr-glow: radial-gradient(120% 150% at 84% -10%, rgba(57, 208, 216, 0.13), rgba(7, 10, 18, 0) 62%);
  --pr-glow-violet: radial-gradient(110% 140% at 8% 100%, rgba(110, 74, 158, 0.18), rgba(7, 10, 18, 0) 68%);
  display: block;
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .breadcrumbs {
  margin: clamp(1.2rem, 3vw, 1.9rem) 0 0;
}

.page-products .pr-hero {
  position: relative;
  padding: clamp(1.4rem, 3.5vw, 2.4rem) 0 var(--pr-space);
  background: var(--pr-glow);
}

.page-products .pr-hero__inner {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3.2rem);
  align-items: center;
}

.page-products .pr-hero__title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 7.2vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0.45rem 0 0;
  color: var(--mist);
}

.page-products .pr-hero__lede {
  margin-top: clamp(0.9rem, 2.4vw, 1.4rem);
  max-width: 46ch;
  color: var(--fg-dim);
}

.page-products .pr-hero__facts {
  list-style: none;
  margin: clamp(1.4rem, 3.6vw, 2.2rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.1rem, 4vw, 2.6rem);
}

.page-products .pr-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.page-products .pr-num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.page-products .pr-fact-label {
  font-size: 0.8rem;
  color: var(--fg-faint);
  letter-spacing: 0.04em;
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.5rem, 4vw, 2.3rem);
}

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

/* ---------- 章节骨架 ---------- */
.page-products .section {
  padding: var(--pr-space) 0 0;
}

.page-products .pr-head {
  max-width: 62ch;
  margin-bottom: clamp(1.6rem, 4.5vw, 2.8rem);
}

.page-products .pr-subhead {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.6vw, 1.28rem);
  line-height: 1.4;
  margin: 0 0 0.7rem;
  color: var(--mist);
  font-weight: 600;
}

.page-products .pr-link {
  display: inline-block;
  margin-top: 0.7rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 208, 216, 0.42);
  padding-bottom: 2px;
  font-size: 0.92rem;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .pr-link:hover,
.page-products .pr-link:focus-visible {
  color: var(--gold);
  border-color: rgba(217, 164, 65, 0.6);
}

/* ---------- 01 操作路径轨道 ---------- */
.page-products .pr-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.6rem);
  position: relative;
}

.page-products .pr-track__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.9rem, 3vw, 1.6rem);
  padding: clamp(1.05rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(27, 59, 111, 0.24), rgba(7, 10, 18, 0.12));
}

.page-products .pr-track__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 0.25rem;
}

.page-products .pr-track__title {
  margin: 0 0 0.45rem;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.16rem);
  color: var(--mist);
  font-weight: 600;
}

.page-products .pr-track__body p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 0.94rem;
  line-height: 1.75;
}

/* ---------- 02 编号索引 ---------- */
.page-products .pr-index {
  background: var(--pr-glow-violet);
}

.page-products .pr-index__board {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
}

.page-products .pr-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

.page-products .pr-matrix {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8.6rem, 1fr));
  gap: 0.55rem;
}

.page-products .pr-matrix__cell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  min-width: 0;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--pr-cell-radius);
  background: rgba(12, 18, 32, 0.72);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-products .pr-matrix__cell:hover {
  border-color: rgba(57, 208, 216, 0.5);
  transform: translateY(-2px);
}

.page-products .pr-matrix__code {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .pr-index__note {
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  color: var(--fg-dim);
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 60ch;
}

.page-products .pr-index__media,
.page-products .pr-count__media,
.page-products .pr-ios__media,
.page-products .pr-version__media {
  margin: clamp(1.8rem, 5vw, 3rem) 0 0;
}

/* ---------- 03 分类数量说明 ---------- */
.page-products .pr-ruler {
  display: flex;
  gap: 0.7rem;
  overflow-x: auto;
  padding: 0.2rem 0 0.9rem;
  scroll-snap-type: x proximity;
  border-bottom: 1px dashed var(--line);
}

.page-products .pr-ruler__item {
  flex: 0 0 auto;
  min-width: 9.5rem;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.95rem 1rem;
  border-left: 2px solid rgba(110, 74, 158, 0.55);
  background: linear-gradient(150deg, rgba(27, 59, 111, 0.2), rgba(7, 10, 18, 0.05));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-products .pr-ruler__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--fg-faint);
}

.page-products .pr-ruler__label {
  font-size: 0.82rem;
  color: var(--fg-dim);
  letter-spacing: 0.03em;
}

.page-products .pr-ruler__count {
  font-family: var(--font-mono);
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}

.page-products .pr-count__body {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
}

.page-products .pr-count__panel p {
  margin: 0 0 0.85rem;
  color: var(--fg-dim);
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-products .pr-count__panel p:last-of-type {
  margin-bottom: 0;
}

/* ---------- 04 苹果版适配 ---------- */
.page-products .pr-ios {
  background: linear-gradient(180deg, rgba(7, 10, 18, 0) 0%, rgba(27, 59, 111, 0.14) 45%, rgba(7, 10, 18, 0) 100%);
}

.page-products .pr-states {
  display: grid;
  gap: clamp(0.9rem, 3vw, 1.4rem);
}

.page-products .pr-state {
  position: relative;
  padding: clamp(1.15rem, 3.4vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 18, 32, 0.66);
  overflow: hidden;
}

.page-products .pr-state__lamp {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-bottom: 0.85rem;
}

.page-products .pr-state__lamp--cyan {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(57, 208, 216, 0.16);
}

.page-products .pr-state__lamp--gold {
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(217, 164, 65, 0.16);
}

.page-products .pr-state__lamp--nebula {
  background: var(--nebula);
  box-shadow: 0 0 0 5px rgba(110, 74, 158, 0.2);
}

.page-products .pr-state__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.14rem);
  color: var(--mist);
  font-weight: 600;
}

.page-products .pr-state__text {
  margin: 0;
  color: var(--fg-dim);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-products .pr-state__meta {
  display: inline-block;
  margin-top: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.page-products .pr-ios__note {
  margin: clamp(1.4rem, 4vw, 2rem) 0 0;
  max-width: 62ch;
  color: var(--fg-dim);
  font-size: 0.93rem;
  line-height: 1.82;
}

/* ---------- 05 版本节点 ---------- */
.page-products .pr-nodes {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(0.9rem, 3vw, 1.6rem);
  position: relative;
  display: grid;
  gap: clamp(1.1rem, 3.4vw, 1.7rem);
}

.page-products .pr-nodes::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  bottom: 0.55rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(57, 208, 216, 0.55), rgba(110, 74, 158, 0.5), rgba(217, 164, 65, 0.35));
}

.page-products .pr-node {
  position: relative;
  min-width: 0;
}

.page-products .pr-node::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(0.9rem, 3vw, 1.6rem) - 4px);
  top: 0.45rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-products .pr-node:hover::before,
.page-products .pr-node:focus-within::before {
  background: var(--gold);
  border-color: var(--gold);
}

.page-products .pr-node__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--fg-faint);
}

.page-products .pr-node__title {
  margin: 0.3rem 0 0.4rem;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.16rem);
  color: var(--mist);
  font-weight: 600;
}

.page-products .pr-node__desc {
  margin: 0;
  max-width: 58ch;
  color: var(--fg-dim);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* ---------- 06 支持矩阵 ---------- */
.page-products .pr-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 18, 32, 0.55);
}

.page-products .pr-table {
  width: 100%;
  min-width: 40rem;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-products .pr-table__caption {
  caption-side: top;
  text-align: left;
  padding: 0.95rem clamp(0.9rem, 3vw, 1.4rem);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--fg-faint);
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-table th,
.page-products .pr-table td {
  text-align: left;
  padding: 0.85rem clamp(0.9rem, 3vw, 1.4rem);
  border-bottom: 1px solid var(--line);
  color: var(--fg-dim);
  line-height: 1.65;
  vertical-align: top;
}

.page-products .pr-table thead th {
  color: var(--mist);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  background: rgba(27, 59, 111, 0.22);
}

.page-products .pr-table tbody th {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

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

.page-products .pr-help {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
}

.page-products .pr-help__panel p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-products .pr-related {
  margin: clamp(1.8rem, 5vw, 2.8rem) 0 0;
  padding-top: clamp(1.2rem, 3vw, 1.6rem);
  border-top: 1px dashed var(--line);
  color: var(--fg-faint);
  font-size: 0.88rem;
  line-height: 1.9;
}

.page-products .pr-related a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 208, 216, 0.35);
}

.page-products .pr-related a:hover,
.page-products .pr-related a:focus-visible {
  color: var(--gold);
  border-color: rgba(217, 164, 65, 0.55);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pr-states {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pr-matrix {
    grid-template-columns: repeat(auto-fill, minmax(9.2rem, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6.4fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 4.2rem);
  }

  .page-products .pr-hero__copy {
    padding-top: clamp(1rem, 5vw, 3.6rem);
  }

  .page-products .pr-index__board {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr);
    align-items: start;
  }

  .page-products .pr-tags {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-products .pr-nodes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.6rem, 5vw, 3.4rem);
    padding-left: clamp(1.4rem, 3vw, 2rem);
  }
}

@media (max-width: 420px) {
  .page-products .pr-hero__facts {
    gap: 1rem 1.6rem;
  }

  .page-products .pr-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pr-ruler__item {
    min-width: 8.4rem;
  }
}