.page-products {
  --prod-r: 18px;
  --prod-line-light: rgba(246, 242, 232, 0.16);
  --prod-soft: rgba(168, 179, 194, 0.2);
  background: var(--warm);
  color: var(--ink);
}

.page-products a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 44px;
  color: var(--warm);
  background:
    radial-gradient(120% 80% at 88% -10%, rgba(201, 164, 92, 0.22), transparent 58%),
    radial-gradient(90% 70% at 0% 110%, rgba(22, 58, 99, 0.72), transparent 62%),
    linear-gradient(175deg, var(--deep) 0%, var(--night) 62%, var(--deep) 100%);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -40px;
  height: 220px;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(231, 211, 162, 0.45) 0 1px,
    transparent 1px 26px
  );
  opacity: 0.14;
  pointer-events: none;
}

.page-products .prod-hero .breadcrumb {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(246, 242, 232, 0.66);
}

.page-products .prod-hero .breadcrumb a {
  color: var(--gold-soft);
  text-decoration: none;
}

.page-products .prod-hero .breadcrumb a:hover {
  text-decoration: underline;
}

.page-products .prod-hero .breadcrumb__sep {
  opacity: 0.45;
}

.page-products .prod-hero .eyebrow {
  color: var(--gold-soft);
  margin-top: 26px;
}

.page-products .prod-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  margin-top: 10px;
}

.page-products .prod-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 58px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.page-products .prod-hero__sub {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 242, 232, 0.82);
}

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

.page-products .prod-hero__media {
  margin: 0;
  border-radius: var(--prod-r);
  overflow: hidden;
  border: 1px solid var(--prod-line-light);
  box-shadow: var(--shadow-float);
  background: rgba(11, 31, 58, 0.55);
  aspect-ratio: 16 / 10;
}

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

.page-products .prod-hero__facts {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: var(--prod-line-light);
  border: 1px solid var(--prod-line-light);
  border-radius: 14px;
  overflow: hidden;
}

.page-products .prod-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(7, 20, 38, 0.72);
}

.page-products .prod-hero__num {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-products .prod-hero__lab {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(246, 242, 232, 0.7);
}

/* ---------- 章节通用 ---------- */
.page-products .prod-band {
  padding: 52px 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-band--tight {
  padding: 40px 0 56px;
}

.page-products .prod-band--paper {
  background: var(--paper);
}

.page-products .prod-band--mist {
  background: linear-gradient(180deg, rgba(168, 179, 194, 0.26), rgba(246, 242, 232, 0.7));
}

.page-products .prod-band--dark {
  background: linear-gradient(168deg, var(--deep) 0%, var(--night) 58%, var(--star) 100%);
  color: var(--warm);
  border-top: 0;
}

.page-products .prod-sechead {
  max-width: 68ch;
}

.page-products .prod-sechead .eyebrow {
  color: var(--star);
}

.page-products .prod-band--dark .prod-sechead .eyebrow,
.page-products .prod-eco .eyebrow {
  color: var(--gold-soft);
}

.page-products .prod-sechead h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
}

.page-products .prod-sechead__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-products .prod-band--dark .prod-sechead__text {
  color: rgba(246, 242, 232, 0.78);
}

/* ---------- 产品线标签页 ---------- */
.page-products .prod-lines {
  margin-top: 30px;
}

.page-products .prod-lines .tabs__list,
.page-products .prod-devices__tabs .tabs__list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-products .prod-lines .tabs__btn,
.page-products .prod-devices__tabs .tabs__btn {
  flex: 0 0 auto;
  appearance: none;
  border: 0;
  background: transparent;
  padding: 10px 14px 13px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-55);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .prod-lines .tabs__btn:hover,
.page-products .prod-devices__tabs .tabs__btn:hover {
  color: var(--deep);
}

.page-products .prod-lines .tabs__btn[aria-selected="true"],
.page-products .prod-devices__tabs .tabs__btn[aria-selected="true"] {
  color: var(--deep);
  border-bottom-color: var(--gold);
}

.page-products .prod-lines .tabs__btn:focus-visible,
.page-products .prod-devices__tabs .tabs__btn:focus-visible {
  outline: 2px solid var(--star);
  outline-offset: 2px;
  border-radius: 4px;
}

.page-products .prod-lines .tabs__panel,
.page-products .prod-devices__tabs .tabs__panel {
  padding-top: 24px;
}

.page-products .prod-lines .tabs__panel[hidden],
.page-products .prod-devices__tabs .tabs__panel[hidden] {
  display: none;
}

.page-products .prod-line {
  display: grid;
  gap: 22px;
}

.page-products .prod-line__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .prod-line__main h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-products .prod-line__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-70);
  max-width: 60ch;
}

.page-products .prod-line__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-line__tags li {
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(22, 58, 99, 0.24);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--star);
  background: rgba(22, 58, 99, 0.06);
}

.page-products .prod-line__aside {
  padding: 18px 0 0 18px;
  border-left: 2px solid var(--gold);
}

.page-products .prod-line__aside dl {
  margin: 0;
}

.page-products .prod-line__aside dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-55);
}

.page-products .prod-line__aside dd {
  margin: 6px 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-products .prod-line__aside dd:last-child {
  margin-bottom: 0;
}

/* ---------- 下载 ---------- */
.page-products .prod-download {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-products .prod-download__plate {
  padding: 22px 20px 0;
  border-radius: var(--prod-r);
  border: 1px solid rgba(11, 31, 58, 0.16);
  background:
    linear-gradient(160deg, rgba(246, 242, 232, 0.9), rgba(168, 179, 194, 0.34)),
    var(--paper);
  box-shadow: 0 20px 46px -34px rgba(7, 20, 38, 0.6);
  overflow: hidden;
}

.page-products .prod-download__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--star);
}

.page-products .prod-spec {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(11, 31, 58, 0.14);
}

.page-products .prod-spec li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(11, 31, 58, 0.1);
}

.page-products .prod-spec__k {
  font-size: 13px;
  color: var(--ink-55);
}

.page-products .prod-spec__v {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--deep);
}

.page-products .prod-download__plate img {
  display: block;
  width: calc(100% + 40px);
  max-width: none;
  height: auto;
  margin: 16px -20px 0;
  object-fit: cover;
}

.page-products .prod-download__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
}

.page-products .prod-checks {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .prod-checks li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-products .prod-checks__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.page-products .prod-download__note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(22, 58, 99, 0.07);
  border-left: 3px solid var(--star);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-products .prod-download__body .btn {
  margin-top: 20px;
}

/* ---------- 设备适配 ---------- */
.page-products .prod-devices {
  display: grid;
  gap: 30px;
}

.page-products .prod-devices__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-products .prod-devices__fig {
  margin: 22px 0 0;
  border-radius: var(--prod-r);
  overflow: hidden;
  border: 1px solid rgba(16, 24, 32, 0.12);
}

.page-products .prod-devices__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-devices__tabs {
  padding: 20px 18px 22px;
  border-radius: var(--prod-r);
  background: var(--paper);
  border: 1px solid rgba(16, 24, 32, 0.1);
  box-shadow: 0 22px 50px -38px rgba(7, 20, 38, 0.65);
}

.page-products .prod-dev__req {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--star);
}

.page-products .prod-dev__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-products .prod-dev__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-products .prod-dev__list li {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-55);
}

/* ---------- 版本入口对照 ---------- */
.page-products .prod-versions {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-products .prod-versions__pair {
  display: grid;
  gap: 16px;
}

.page-products .prod-ver {
  padding: 22px 20px;
  border-radius: var(--prod-r);
  background: var(--paper);
  border: 1px solid rgba(16, 24, 32, 0.12);
}

.page-products .prod-ver--key {
  background: linear-gradient(165deg, rgba(22, 58, 99, 0.95), rgba(7, 20, 38, 0.96));
  border-color: rgba(201, 164, 92, 0.4);
  color: var(--warm);
}

.page-products .prod-ver__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .prod-ver__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .prod-ver__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-products .prod-ver--key .prod-ver__text {
  color: rgba(246, 242, 232, 0.82);
}

.page-products .prod-ver__list {
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-55);
}

.page-products .prod-ver--key .prod-ver__list {
  border-top-color: rgba(246, 242, 232, 0.2);
  color: rgba(246, 242, 232, 0.72);
}

.page-products .prod-versions__fig {
  margin: 0;
  border-radius: var(--prod-r);
  overflow: hidden;
  border: 1px solid rgba(16, 24, 32, 0.12);
  aspect-ratio: 5 / 6;
}

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

.page-products .prod-versions__note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-55);
  max-width: 68ch;
}

/* ---------- 使用路径 ---------- */
.page-products .prod-flow {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--prod-r);
  overflow: hidden;
}

.page-products .prod-flow__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px;
  background: var(--paper);
}

.page-products .prod-flow__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-products .prod-flow__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .prod-flow__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-70);
}

.page-products .prod-flow__tools {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-55);
}

.page-products .prod-flow__tools a {
  color: var(--star);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 帮助文档折叠 ---------- */
.page-products .prod-docs {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.page-products .prod-doc {
  border-bottom: 1px solid var(--line);
}

.page-products .prod-doc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .prod-doc summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-doc summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-products .prod-doc[open] summary::after {
  content: "−";
}

.page-products .prod-doc summary:focus-visible {
  outline: 2px solid var(--star);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-products .prod-doc__body {
  padding: 0 0 20px;
  max-width: 70ch;
}

.page-products .prod-doc__body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--ink-70);
}

.page-products .prod-doc__link {
  margin: 0;
}

.page-products .prod-doc__link a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--star);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 服务与接入 ---------- */
.page-products .prod-eco {
  display: grid;
  gap: 30px;
}

.page-products .prod-eco h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
}

.page-products .prod-eco__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 242, 232, 0.8);
  max-width: 58ch;
}

.page-products .prod-eco__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-eco__stats li {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--prod-line-light);
  background: rgba(246, 242, 232, 0.06);
}

.page-products .prod-eco__num {
  display: block;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-products .prod-eco__lab {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(246, 242, 232, 0.68);
}

.page-products .prod-eco__mail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 242, 232, 0.78);
}

.page-products .prod-eco__mail a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prod-eco__fig {
  margin: 0 0 20px;
  border-radius: var(--prod-r);
  overflow: hidden;
  border: 1px solid var(--prod-line-light);
}

.page-products .prod-eco__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--prod-line-light);
  border-radius: 14px;
  overflow: hidden;
}

.page-products .prod-steps li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 14px 16px;
  background: rgba(7, 20, 38, 0.55);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 242, 232, 0.85);
}

.page-products .prod-steps__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

/* ---------- 底部引导 ---------- */
.page-products .prod-cta {
  display: grid;
  gap: 18px;
  padding: 26px 22px;
  border-radius: var(--prod-r);
  background: linear-gradient(140deg, rgba(22, 58, 99, 0.1), rgba(201, 164, 92, 0.16));
  border: 1px solid rgba(16, 24, 32, 0.1);
}

.page-products .prod-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .prod-cta__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-70);
  max-width: 52ch;
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-products .prod-band {
    padding: 66px 0;
  }

  .page-products .prod-hero {
    padding: 30px 0 60px;
  }

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

  .page-products .prod-hero__sub {
    font-size: 16px;
  }

  .page-products .prod-flow__item {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 24px 24px;
  }

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 28px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .prod-band {
    padding: 84px 0;
  }

  .page-products .prod-line {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 44px;
  }

  .page-products .prod-line__aside {
    padding: 4px 0 4px 24px;
  }

  .page-products .prod-download {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 44px;
    align-items: start;
  }

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

  .page-products .prod-versions {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-products .prod-eco {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .prod-hero {
    padding-bottom: 76px;
  }

  .page-products .prod-hero__facts li {
    padding: 20px 22px;
  }

  .page-products .prod-download__plate {
    padding: 26px 26px 0;
  }

  .page-products .prod-download__plate img {
    width: calc(100% + 52px);
    margin-left: -26px;
    margin-right: -26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-lines .tabs__btn,
  .page-products .prod-devices__tabs .tabs__btn {
    transition: none;
  }
}
<<<END>>>