.page-products {
  --v4-band: clamp(48px, 7vw, 88px);
  --v4-gap: clamp(14px, 2.2vw, 24px);
  --v4-ink-soft: rgba(23, 18, 14, .82);
  --v4-warm-soft: rgba(247, 241, 231, .82);
  background: var(--cream);
  color: var(--soot);
  font-family: var(--font-body);
  line-height: 1.75;
}

/* 首屏：命令式版本选择台 */
.page-products .v4-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 36px) 0 var(--v4-band);
  color: var(--warm);
  background:
    radial-gradient(88% 76% at 84% 4%, rgba(192, 138, 62, .30), transparent 62%),
    linear-gradient(166deg, var(--ink) 0%, var(--ink-2) 60%, var(--ink-3) 100%);
}

.page-products .v4-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .45;
  background-image: repeating-linear-gradient(90deg, rgba(224, 179, 106, .16) 0 1px, transparent 1px 76px);
}

.page-products .v4-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .v4-hero .breadcrumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-products .v4-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(247, 241, 231, .6);
}

.page-products .v4-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--copper);
}

.page-products .v4-hero .breadcrumb a {
  color: var(--copper-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .v4-hero .breadcrumb a:hover,
.page-products .v4-hero .breadcrumb a:focus-visible {
  border-bottom-color: var(--copper-soft);
}

.page-products .v4-hero__frame {
  position: relative;
  padding: clamp(18px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(18, 42, 64, .72), rgba(11, 27, 43, .34));
  backdrop-filter: blur(3px);
}

.page-products .v4-hero__frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(58%, 420px);
  height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--copper-soft), transparent);
}

.page-products .v4-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: stretch;
}

.page-products .v4-hero__copy h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6vw, 3.2rem);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--warm);
}

.page-products .v4-hero__copy .lead {
  max-width: 56ch;
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.06rem);
  color: var(--v4-warm-soft);
}

.page-products .device-switch {
  display: grid;
  gap: 12px;
  margin: clamp(20px, 3vw, 28px) 0 clamp(18px, 2.4vw, 24px);
}

.page-products .device-card {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(243, 234, 219, .06);
  color: inherit;
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-products .device-card:hover,
.page-products .device-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(243, 234, 219, .12);
}

.page-products .device-card:focus-visible {
  outline: 2px solid var(--copper-soft);
  outline-offset: 3px;
}

.page-products .device-card__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--copper-soft);
  background: rgba(11, 27, 43, .5);
}

.page-products .device-card__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-products .device-card__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: .02em;
  color: var(--warm);
}

.page-products .device-card__desc {
  font-size: .9rem;
  line-height: 1.66;
  color: rgba(247, 241, 231, .74);
}

.page-products .device-card__state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--copper-soft);
}

.page-products .v4-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .v4-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  aspect-ratio: 4 / 3;
  background: var(--ink);
}

.page-products .v4-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .v4-hero__media figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 26px 16px 12px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--warm);
  background: linear-gradient(0deg, rgba(11, 27, 43, .94), rgba(11, 27, 43, 0));
}

/* 三模块 */
.page-products .v4-modules {
  padding: var(--v4-band) 0;
  background: var(--cream);
}

.page-products .module-row {
  display: grid;
  gap: var(--v4-gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .module-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 20px 20px;
  border: 1px solid var(--line-paper);
  border-top: 3px solid var(--copper);
  background: var(--warm);
  box-shadow: var(--shadow-plaque);
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-products .module-card:hover,
.page-products .module-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--copper-soft);
  border-top-color: var(--cinnabar);
}

.page-products .module-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--copper);
}

.page-products .module-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.32rem;
  line-height: 1.35;
  color: var(--soot);
}

.page-products .module-card p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--v4-ink-soft);
}

.page-products .module-card__use {
  margin-top: auto;
  padding-top: 11px;
  border-top: 1px dashed var(--line-paper);
  font-size: .83rem;
  letter-spacing: .02em;
  color: var(--ink-2);
}

.page-products .v4-modules__media,
.page-products .v4-steps__media,
.page-products .v4-support__media {
  margin: clamp(22px, 3vw, 34px) 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-2);
}

.page-products .v4-modules__media img,
.page-products .v4-steps__media img,
.page-products .v4-support__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .v4-modules__media figcaption,
.page-products .v4-steps__media figcaption,
.page-products .v4-support__media figcaption {
  padding: 11px 16px;
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: .03em;
  color: var(--warm);
  background: var(--ink-2);
  border-top: 1px solid var(--line);
}

/* 版本对照台 */
.page-products .v4-versions {
  padding: var(--v4-band) 0;
  color: var(--warm);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-products .v4-versions .section-head__title {
  color: var(--warm);
}

.page-products .v4-versions .section-head__note {
  color: rgba(247, 241, 231, .68);
}

.page-products .table-scroll {
  margin-top: clamp(22px, 3vw, 32px);
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(11, 27, 43, .5);
  -webkit-overflow-scrolling: touch;
}

.page-products .version-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: .92rem;
}

.page-products .version-table caption {
  caption-side: bottom;
  padding: 12px 16px 14px;
  text-align: left;
  font-size: .78rem;
  letter-spacing: .06em;
  color: rgba(247, 241, 231, .58);
}

.page-products .version-table th,
.page-products .version-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(192, 138, 62, .2);
}

.page-products .version-table thead th {
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--copper-soft);
  background: rgba(192, 138, 62, .12);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .version-table tbody th {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--warm);
  white-space: nowrap;
}

.page-products .version-table tbody th .dot {
  margin-right: 8px;
}

.page-products .version-table td {
  color: rgba(247, 241, 231, .78);
  line-height: 1.7;
}

.page-products .version-table tbody tr:hover {
  background: rgba(224, 179, 106, .07);
}

.page-products .version-table tr.is-current {
  background: rgba(47, 143, 122, .13);
  box-shadow: inset 3px 0 0 var(--jade);
}

.page-products .version-table tr.is-current th {
  color: var(--copper-soft);
}

/* 四步流程 */
.page-products .v4-steps {
  padding: var(--v4-band) 0;
  background: var(--cream);
}

.page-products .route-steps {
  counter-reset: v4step;
  display: grid;
  gap: var(--v4-gap);
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .route-steps > li {
  counter-increment: v4step;
  position: relative;
  padding: 20px 18px 18px 18px;
  border: 1px solid var(--line-paper);
  border-left: 3px solid var(--copper);
  background: var(--warm);
  transition: border-left-color .22s var(--ease), transform .22s var(--ease);
}

.page-products .route-steps > li:hover {
  transform: translateY(-3px);
  border-left-color: var(--cinnabar);
}

.page-products .route-steps > li::before {
  content: counter(v4step, decimal-leading-zero);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--copper);
}

.page-products .route-steps h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--soot);
}

.page-products .route-steps p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--v4-ink-soft);
}

/* 双栏记录区 */
.page-products .v4-records {
  padding: var(--v4-band) 0;
  color: var(--warm);
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
}

.page-products .v4-records .section-head__title {
  color: var(--warm);
}

.page-products .v4-records .section-head__note {
  color: rgba(247, 241, 231, .68);
}

.page-products .records-grid {
  display: grid;
  gap: var(--v4-gap);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .record-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(18, 42, 64, .62);
  backdrop-filter: blur(3px);
}

.page-products .record-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .record-panel__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.24rem;
  color: var(--warm);
}

.page-products .cycle-phases {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cycle-phases li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 4px 10px;
  padding: 12px 14px;
  border-left: 2px solid var(--line-strong);
  background: rgba(11, 27, 43, .42);
}

.page-products .cycle-phases .dot {
  margin-top: 8px;
}

.page-products .cycle-phases strong {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--copper-soft);
}

.page-products .cycle-phases span:last-child {
  grid-column: 2;
  font-size: .89rem;
  line-height: 1.7;
  color: rgba(247, 241, 231, .76);
}

.page-products .query-modes {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .query-modes li {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(192, 138, 62, .22);
  background: rgba(11, 27, 43, .4);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .query-modes li:hover {
  border-color: var(--line-strong);
  background: rgba(11, 27, 43, .62);
}

.page-products .query-modes .index-tag {
  flex: 0 0 auto;
}

.page-products .query-modes h4 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--warm);
}

.page-products .query-modes p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(247, 241, 231, .76);
}

.page-products .record-panel__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 3px;
  aspect-ratio: 16 / 9;
  background: var(--ink);
}

.page-products .record-panel__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .record-panel__foot {
  margin: 0;
  font-size: .84rem;
  line-height: 1.72;
  color: rgba(247, 241, 231, .62);
}

.page-products .record-panel a {
  color: var(--copper-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 179, 106, .5);
}

.page-products .record-panel a:hover,
.page-products .record-panel a:focus-visible {
  color: var(--warm);
  border-bottom-color: var(--warm);
}

/* 适配与支持 */
.page-products .v4-support {
  padding: var(--v4-band) 0;
  background: var(--warm);
}

.page-products .support-grid {
  display: grid;
  gap: var(--v4-gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .support-list {
  display: grid;
  gap: 16px;
}

.page-products .support-item {
  padding: 18px 20px;
  border: 1px solid var(--line-paper);
  border-left: 3px solid var(--ink-3);
  background: var(--cream);
}

.page-products .support-item h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--soot);
}

.page-products .support-item p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--v4-ink-soft);
}

.page-products .support-links {
  margin: 0;
  padding: 14px 16px;
  border: 1px dashed var(--line-strong);
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-products .support-links a {
  color: var(--cinnabar);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(196, 71, 58, .45);
}

.page-products .support-links a:hover,
.page-products .support-links a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.page-products .v4-support__media {
  margin: 0;
  align-self: start;
}

/* 响应式 */
@media (min-width: 620px) {
  .page-products .device-switch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-products .module-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .v4-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-products .v4-hero__media {
    aspect-ratio: auto;
    min-height: 100%;
  }

  .page-products .route-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .records-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .support-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .device-card,
  .page-products .module-card,
  .page-products .route-steps > li,
  .page-products .query-modes li {
    transition: none;
  }

  .page-products .device-card:hover,
  .page-products .device-card:focus-visible,
  .page-products .module-card:hover,
  .page-products .module-card:focus-within,
  .page-products .route-steps > li:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>