.page-products {
  --pc-pad: clamp(18px, 2.6vw, 30px);
  --pc-gap: clamp(16px, 2.4vw, 28px);
  --pc-hairline: rgba(43, 53, 84, 0.72);
  padding-block: clamp(18px, 3vw, 36px) clamp(56px, 8vw, 104px);
  color: var(--mist);
}

.page-products .catalog-hero {
  padding-block: clamp(22px, 3.6vw, 46px) clamp(26px, 3.4vw, 44px);
  max-width: 940px;
}

.page-products .catalog-hero h1 {
  margin: 0.42em 0 0.5em;
  font-size: var(--step-5);
  font-weight: 250;
  letter-spacing: 0.03em;
  line-height: 1.1;
  color: var(--star);
  max-width: 20em;
}

.page-products .catalog-hero__lede {
  max-width: 34em;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 当前版本卡 ---------- */
.page-products .ver-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--orbit);
  border: 1px solid var(--orbit);
  margin-bottom: clamp(50px, 7vw, 96px);
}

.page-products .ver-card__num,
.page-products .ver-card__body {
  background: var(--paper);
  padding: var(--pc-pad);
}

.page-products .ver-card__num {
  display: flex;
  flex-direction: column;
  gap: 0.55em;
  justify-content: center;
}

.page-products .ver-card__flag {
  font-size: var(--step-1);
  letter-spacing: 0.18em;
  color: var(--electric);
  text-transform: uppercase;
}

.page-products .ver-card__v {
  font-size: clamp(3rem, 10vw, 5.4rem);
  line-height: 0.92;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--star);
}

.page-products .ver-card__note {
  font-size: var(--step-1);
  letter-spacing: 0.08em;
  color: var(--archive);
}

.page-products .ver-card__body h2 {
  margin: 0 0 0.9em;
  font-size: var(--step-3);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--star);
}

.page-products .ver-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .ver-card__row {
  display: grid;
  grid-template-columns: 4.6em 1fr;
  gap: 0.7em;
  padding-block: 0.72em;
  border-bottom: 1px solid var(--pc-hairline);
  font-size: 0.98rem;
  line-height: 1.6;
}

.page-products .ver-card__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .ver-card__label {
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--archive);
  padding-top: 0.28em;
}

.page-products .ver-card__val {
  color: var(--star);
}

.page-products .ver-card__fig {
  margin: 0;
  background: var(--hull);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  position: relative;
}

.page-products .ver-card__fig::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 7, 15, 0.92) 0%, rgba(5, 7, 15, 0.25) 60%, rgba(5, 7, 15, 0.6) 100%);
  pointer-events: none;
}

.page-products .ver-card__fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
}

/* ---------- 版本对照表 ---------- */
.page-products .ver-block {
  margin-bottom: clamp(52px, 7vw, 96px);
}

.page-products .ver-block__layout {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .ver-table__scroll {
  overflow-x: auto;
  border: 1px solid var(--orbit);
  background: var(--paper);
}

.page-products .ver-table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.page-products .ver-table caption {
  text-align: left;
  padding: 1em var(--pc-pad) 0.6em;
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--archive);
}

.page-products .ver-table th,
.page-products .ver-table td {
  text-align: left;
  padding: 0.95em 1em;
  border-bottom: 1px solid var(--pc-hairline);
  vertical-align: top;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .ver-table thead th {
  font-weight: 400;
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--archive);
  background: rgba(12, 18, 36, 0.7);
}

.page-products .ver-table tbody th {
  font-weight: 400;
  color: var(--star);
  white-space: nowrap;
}

.page-products .ver-table tbody tr:nth-child(even) {
  background: rgba(12, 18, 36, 0.55);
}

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

.page-products .ver-table__row--current {
  box-shadow: inset 3px 0 0 var(--electric);
}

.page-products .ver-table__row--current td:last-child {
  color: var(--star);
}

.page-products .ver-table__row--archive th,
.page-products .ver-table__row--archive td {
  color: var(--archive);
}

.page-products .ver-lineage {
  border: 1px solid var(--orbit);
  background: var(--paper);
  padding: var(--pc-pad);
}

.page-products .ver-lineage__fig {
  margin: 0 0 1em;
  border: 1px solid var(--pc-hairline);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.page-products .ver-lineage__fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}

.page-products .ver-lineage__title {
  margin: 0 0 0.55em;
  font-size: var(--step-3);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--star);
}

.page-products .ver-lineage__note {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-products .ver-lineage__note a {
  color: var(--nebula);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 92, 255, 0.45);
}

.page-products .ver-lineage__note a:hover {
  border-bottom-color: var(--nebula);
}

/* ---------- 终端适配 ---------- */
.page-products .matrix-block {
  margin-bottom: clamp(52px, 7vw, 96px);
  padding-block: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--orbit);
  border-bottom: 1px solid var(--orbit);
}

.page-products .matrix-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border: 1px solid var(--orbit);
  overflow: hidden;
}

.page-products .matrix-figure img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.85;
}

.page-products .matrix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-products .matrix-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--orbit);
  padding: var(--pc-pad);
  transition: transform 180ms ease-out, border-color 180ms ease-out;
}

.page-products .matrix-card::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(43, 53, 84, 0.55);
  pointer-events: none;
}

.page-products .matrix-card:hover {
  transform: translateY(-4px);
  border-color: var(--nebula);
}

.page-products .matrix-card--signal {
  border-color: rgba(255, 122, 61, 0.45);
}

.page-products .matrix-card--signal .matrix-card__tag {
  color: var(--signal);
}

.page-products .matrix-card__tag {
  margin: 0 0 0.8em;
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--archive);
}

.page-products .matrix-card__title {
  margin: 0 0 0.4em;
  font-size: var(--step-3);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--star);
}

.page-products .matrix-card__rec {
  margin: 0 0 0.75em;
  font-size: 0.9rem;
  color: var(--electric);
  letter-spacing: 0.06em;
}

.page-products .matrix-card__lead {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .matrix-card__more {
  margin-top: 1em;
  padding-top: 0.8em;
  border-top: 1px dashed var(--pc-hairline);
}

.page-products .matrix-card__more summary {
  cursor: pointer;
  list-style: none;
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--nebula);
}

.page-products .matrix-card__more summary::-webkit-details-marker {
  display: none;
}

.page-products .matrix-card__more summary::before {
  content: "＋ ";
  color: var(--nebula);
}

.page-products .matrix-card__more[open] summary::before {
  content: "－ ";
}

.page-products .matrix-card__more p {
  margin: 0.7em 0 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 登录异常对应 ---------- */
.page-products .mismatch-block {
  margin-bottom: clamp(52px, 7vw, 96px);
}

.page-products .mismatch-block__layout {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .mismatch-list {
  counter-reset: mm;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .mismatch-item {
  position: relative;
  padding: 1em 0 1em 2.8em;
  border-bottom: 1px solid var(--pc-hairline);
}

.page-products .mismatch-item:first-child {
  border-top: 1px solid var(--pc-hairline);
}

.page-products .mismatch-item::before {
  counter-increment: mm;
  content: counter(mm, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.05em;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.08em;
  color: var(--nebula);
}

.page-products .mismatch-item__sym {
  margin: 0 0 0.35em;
  font-size: var(--step-2);
  line-height: 1.55;
  color: var(--star);
}

.page-products .mismatch-item__verdict {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .mismatch-aside {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

.page-products .mismatch-figure {
  margin: 0;
  border: 1px solid var(--orbit);
  background: var(--paper);
  overflow: hidden;
}

.page-products .mismatch-figure img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.7;
}

.page-products .mismatch-figure .media-frame__caption {
  display: block;
  padding: 0.75em 1em;
  font-size: var(--step-1);
  letter-spacing: 0.06em;
  color: var(--archive);
  border-top: 1px solid var(--pc-hairline);
}

.page-products .mismatch-check {
  border-left: 2px solid var(--electric);
  padding: 0.2em 0 0.2em 1.1em;
}

.page-products .mismatch-check__title {
  margin: 0 0 0.5em;
  font-size: var(--step-3);
  font-weight: 400;
  color: var(--star);
  letter-spacing: 0.04em;
}

.page-products .mismatch-check p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
}

/* ---------- 升级与回退 ---------- */
.page-products .path-block {
  margin-bottom: clamp(52px, 7vw, 96px);
}

.page-products .path-glyph {
  margin: 0 0 clamp(16px, 2vw, 22px);
  color: var(--nebula);
}

.page-products .path-glyph svg {
  display: block;
  width: 240px;
  max-width: 100%;
  height: auto;
}

.page-products .path-banner {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border: 1px solid var(--orbit);
  overflow: hidden;
}

.page-products .path-banner img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.78;
}

.page-products .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-products .path-col {
  background: var(--paper);
  border: 1px solid var(--orbit);
  padding: var(--pc-pad);
}

.page-products .path-col--up {
  box-shadow: inset 3px 0 0 var(--nebula);
}

.page-products .path-col--down {
  border-style: dashed;
  box-shadow: inset 3px 0 0 rgba(255, 122, 61, 0.6);
}

.page-products .path-col__title {
  margin: 0 0 0.9em;
  font-size: var(--step-3);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--star);
}

.page-products .path-steps {
  counter-reset: ps;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .path-step {
  counter-increment: ps;
  position: relative;
  padding: 0.62em 0 0.62em 2.5em;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .path-step::before {
  content: counter(ps);
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 1.6em;
  height: 1.6em;
  display: grid;
  place-items: center;
  border: 1px solid var(--nebula);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--star);
}

.page-products .path-col--down .path-step::before {
  border-color: var(--signal);
  border-style: dashed;
  color: var(--signal);
}

/* ---------- 下一步 ---------- */
.page-products .start-block {
  border-top: 1px solid var(--orbit);
  padding-top: clamp(28px, 4vw, 48px);
}

.page-products .start-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--orbit);
  border: 1px solid var(--orbit);
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .start-card {
  display: flex;
  flex-direction: column;
  gap: 0.45em;
  background: var(--void);
  padding: var(--pc-pad);
  text-decoration: none;
  color: inherit;
  transition: background 180ms ease-out;
}

.page-products .start-card:hover {
  background: var(--paper);
}

.page-products .start-card:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 2px;
}

.page-products .start-card__idx {
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--archive);
}

.page-products .start-card__title {
  font-size: var(--step-3);
  color: var(--star);
  letter-spacing: 0.04em;
}

.page-products .start-card__desc {
  font-size: 0.93rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-products .start-block__tail {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  max-width: 40em;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .start-block__tail a {
  color: var(--nebula);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 92, 255, 0.45);
}

.page-products .start-block__tail a:hover {
  border-bottom-color: var(--nebula);
}

@media (min-width: 720px) {
  .page-products .matrix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .ver-card {
    grid-template-columns: minmax(200px, 0.85fr) minmax(0, 1.7fr) minmax(220px, 1.1fr);
  }

  .page-products .ver-block__layout {
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .mismatch-block__layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .matrix-card,
  .page-products .start-card {
    transition: none;
  }

  .page-products .matrix-card:hover {
    transform: none;
  }
}