.page-products {
  --pd-axis-w: 300px;
  --pd-gap: clamp(14px, 2vw, 22px);
  background:
    repeating-linear-gradient(90deg, rgba(42, 71, 99, 0.18) 0 1px, transparent 1px 84px),
    radial-gradient(900px 480px at 88% -12%, rgba(255, 107, 53, 0.09), transparent 62%),
    var(--c-deep);
  color: var(--c-text);
  font-family: var(--font-body);
  padding-block: clamp(20px, 3.5vw, 44px) clamp(48px, 7vw, 92px);
  overflow-x: clip;
}

.page-products .section {
  padding-block: clamp(32px, 4.6vw, 60px);
}

.page-products .section__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 62ch;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--c-text);
}

.page-products .pd-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-products .pd-sub {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.75;
  color: var(--c-steel);
}

.page-products .pd-caption {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--c-steel);
}

.page-products a {
  color: var(--c-mint);
}

.page-products a:focus-visible,
.page-products .pd-dl-card:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  padding-block: clamp(16px, 2.4vw, 28px) clamp(28px, 4vw, 48px);
}

.page-products .pd-hero__copy {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(22px, 3.2vw, 40px);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, rgba(18, 42, 66, 0.94), rgba(11, 31, 51, 0.94));
  box-shadow: var(--shadow-panel);
}

.page-products .pd-hero__copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.page-products .pd-hero__copy .lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--c-text);
  opacity: 0.88;
}

.page-products .pd-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .pd-chips li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  font-size: 12.5px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  background: rgba(42, 71, 99, 0.35);
  color: var(--c-text);
}

.page-products .pd-chips .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-amber);
}

.page-products .pd-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.page-products .pd-hero__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-steel);
}

.page-products .pd-hero__panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(14px, 2vw, 20px);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: rgba(18, 42, 66, 0.68);
}

.page-products .pd-hero__media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  background:
    repeating-linear-gradient(45deg, rgba(42, 71, 99, 0.45) 0 1px, transparent 1px 9px),
    var(--c-cabin);
}

.page-products .pd-hero__media img,
.page-products .pd-axis__media img,
.page-products .pd-matrix-figure img,
.page-products .pd-figures img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-fact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.page-products .pd-fact-list div {
  padding-top: 10px;
  border-top: 1px solid var(--c-border);
}

.page-products .pd-fact-list dt {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--c-steel);
}

.page-products .pd-fact-list dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-mint);
}

@media (min-width: 720px) {
  .page-products .pd-fact-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .pd-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: stretch;
  }
}

/* ---------- 安装包 ---------- */
.page-products .pd-dl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-dl-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-cabin);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-products .pd-dl-card:hover,
.page-products .pd-dl-card:focus-within,
.page-products .pd-dl-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--c-orange);
  box-shadow: var(--shadow-panel);
}

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

.page-products .pd-dl-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--c-text);
}

.page-products .pd-dl-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--c-amber);
}

.page-products .pd-dl-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--c-text);
  opacity: 0.82;
}

.page-products .pd-dl-card__spec {
  border-top: 1px dashed var(--c-border);
  padding-top: 10px;
}

.page-products .pd-dl-card__spec-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-mint) !important;
  opacity: 1 !important;
}

.page-products .pd-dl-card__spec ul {
  margin: 8px 0 0;
  padding-left: 16px;
  display: grid;
  gap: 5px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-steel);
}

.page-products .pd-dl-note {
  margin: var(--pd-gap) 0 0;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-steel);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: rgba(18, 42, 66, 0.5);
}

.page-products .pd-dl-note .mono {
  font-family: var(--font-mono);
  color: var(--c-amber);
}

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

@media (min-width: 1100px) {
  .page-products .pd-dl-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-dl-card__spec {
    max-height: 0;
    padding-top: 0;
    border-top-color: transparent;
    opacity: 0;
    overflow: hidden;
    transition: max-height 220ms var(--ease), opacity 220ms var(--ease),
      padding-top 220ms var(--ease);
  }

  .page-products .pd-dl-card:hover .pd-dl-card__spec,
  .page-products .pd-dl-card:focus-within .pd-dl-card__spec {
    max-height: 240px;
    padding-top: 10px;
    border-top-color: var(--c-border);
    opacity: 1;
  }
}

/* ---------- 版本轴 ---------- */
.page-products .pd-version {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 28px);
}

.page-products .pd-axis {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(18, 42, 66, 0.62);
}

.page-products .pd-axis__media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: var(--c-deep);
}

.page-products .pd-axis__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-products .pd-axis__list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-border), var(--c-orange));
}

.page-products .pd-axis__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 6px 0;
  border-radius: var(--radius-pill);
  text-decoration: none;
  color: var(--c-text);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pd-axis__link:hover {
  background: rgba(42, 71, 99, 0.55);
  transform: translateX(2px);
}

.page-products .pd-axis__num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--c-border);
  background: var(--c-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-steel);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pd-axis__label {
  font-size: 13px;
  color: var(--c-steel);
}

.page-products .pd-axis__link:hover .pd-axis__num,
.page-products .pd-axis__link:hover .pd-axis__label {
  color: var(--c-text);
  border-color: var(--c-orange);
}

.page-products .pd-axis__link--current .pd-axis__num {
  width: 40px;
  height: 40px;
  font-size: 15px;
  border-color: var(--c-orange);
  color: var(--c-orange);
}

.page-products .pd-axis__link--current .pd-axis__label {
  color: var(--c-text);
}

.page-products .pd-version-list {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-version-item {
  padding: 18px;
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-cabin);
  scroll-margin-top: 110px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pd-version-item:hover {
  border-left-color: var(--c-orange);
  transform: translateY(-2px);
}

.page-products .pd-version-item.is-current {
  border-left-color: var(--c-orange);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.13), rgba(18, 42, 66, 0.94) 58%);
}

.page-products .pd-version-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .pd-version-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-products .pd-version-item h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--c-text);
}

.page-products .pd-version-item p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--c-text);
  opacity: 0.85;
}

.page-products .pd-version-item__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
}

.page-products .pd-version-item__facts li {
  padding: 4px 10px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--c-mint);
}

@media (min-width: 1024px) {
  .page-products .pd-version {
    grid-template-columns: var(--pd-axis-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-axis {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 适配矩阵 ---------- */
.page-products .pd-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 14px;
  padding: 0;
  font-size: 12.5px;
  color: var(--c-steel);
}

.page-products .pd-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .pd-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-products .pd-dot--ok {
  background: var(--c-mint);
}

.page-products .pd-dot--wait {
  background: var(--c-amber);
}

.page-products .pd-dot--none {
  background: var(--c-steel);
}

.page-products .pd-st {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  white-space: nowrap;
}

.page-products .pd-st--ok {
  color: var(--c-mint);
}

.page-products .pd-st--wait {
  color: var(--c-amber);
}

.page-products .pd-st--none {
  color: var(--c-steel);
}

.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(18, 42, 66, 0.55);
}

.page-products .pd-matrix {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .pd-matrix caption {
  caption-side: top;
  padding: 14px 16px 0;
  text-align: left;
  font-size: 12.5px;
  color: var(--c-steel);
}

.page-products .pd-matrix th,
.page-products .pd-matrix td {
  padding: 11px 12px;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}

.page-products .pd-matrix thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--c-steel);
}

.page-products .pd-matrix tbody th {
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
}

.page-products .pd-matrix tbody tr:nth-child(even) {
  background: rgba(11, 31, 51, 0.5);
}

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

.page-products .pd-matrix-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: var(--pd-gap);
}

.page-products .pd-note-block {
  padding: 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(18, 42, 66, 0.55);
}

.page-products .pd-note-block h3 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--c-mint);
}

.page-products .pd-scale {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .pd-scale li {
  padding: 6px 13px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  background: rgba(42, 71, 99, 0.4);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-text);
}

.page-products .pd-peri {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .pd-peri li {
  padding: 5px 11px;
  font-size: 12.5px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(47, 211, 168, 0.32);
  background: rgba(47, 211, 168, 0.1);
  color: var(--c-text);
}

.page-products .pd-matrix-figure {
  margin: var(--pd-gap) 0 0;
  padding: 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(18, 42, 66, 0.55);
}

.page-products .pd-matrix-figure img {
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
}

@media (min-width: 900px) {
  .page-products .pd-matrix-notes {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  }
}

/* ---------- 系统要求与安装 ---------- */
.page-products .pd-req-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-req {
  padding: 18px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(18, 42, 66, 0.6);
}

.page-products .pd-req h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--c-text);
}

.page-products .pd-req dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-products .pd-req dl div {
  padding-left: 12px;
  border-left: 2px solid var(--c-border);
}

.page-products .pd-req dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-products .pd-req dd {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-text);
  opacity: 0.86;
}

.page-products .pd-steps {
  list-style: none;
  counter-reset: pdstep;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: var(--pd-gap) 0 0;
  padding: 0;
}

.page-products .pd-step {
  counter-increment: pdstep;
  padding: 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 42, 66, 0.9), rgba(11, 31, 51, 0.78));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pd-step:hover {
  border-color: var(--c-orange);
  transform: translateY(-2px);
}

.page-products .pd-step::before {
  content: "0" counter(pdstep);
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--c-orange);
}

.page-products .pd-step h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.page-products .pd-step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.66;
  color: var(--c-steel);
}

.page-products .pd-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: var(--pd-gap);
}

.page-products .pd-figures figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(18, 42, 66, 0.55);
}

.page-products .pd-figures img {
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
}

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

@media (min-width: 900px) {
  .page-products .pd-req-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 1100px) {
  .page-products .pd-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 反馈 ---------- */
.page-products .pd-fb-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-fb-list {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .pd-fb-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: rgba(18, 42, 66, 0.6);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-text);
}

.page-products .pd-fb-list .mono {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--c-orange);
}

.page-products .pd-track {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgba(47, 211, 168, 0.4);
  border-radius: var(--radius);
  background: rgba(47, 211, 168, 0.07);
}

.page-products .pd-track__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 24px);
  letter-spacing: 0.08em;
  color: var(--c-mint);
}

.page-products .pd-track p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--c-text);
  opacity: 0.88;
}

.page-products .pd-track ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-steel);
}

@media (min-width: 900px) {
  .page-products .pd-fb-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

/* ---------- 延伸阅读 ---------- */
.page-products .pd-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-link-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-cabin);
  text-decoration: none;
  color: var(--c-text);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-products .pd-link-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-orange);
  box-shadow: var(--shadow-panel);
}

.page-products .pd-link-card span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-orange);
}

.page-products .pd-link-card strong {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text);
}

.page-products .pd-link-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--c-steel);
}

@media (min-width: 720px) {
  .page-products .pd-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-dl-card,
  .page-products .pd-version-item,
  .page-products .pd-step,
  .page-products .pd-link-card,
  .page-products .pd-axis__link {
    transition: none;
  }

  .page-products .pd-dl-card:hover,
  .page-products .pd-version-item:hover,
  .page-products .pd-step:hover,
  .page-products .pd-link-card:hover,
  .page-products .pd-axis__link:hover {
    transform: none;
  }
}