.page-products {
  --pp-line: #2E3D55;
  --pp-line-soft: rgba(46, 61, 85, 0.62);
  --pp-ink-line: rgba(20, 27, 38, 0.16);
  --pp-ink-mute: #6D7688;
  --pp-paper-mute: #5A6478;
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-products .section {
  padding-top: clamp(44px, 7vw, 86px);
  padding-bottom: clamp(44px, 7vw, 86px);
}

.page-products .section--navy {
  background: var(--navy);
}

.page-products .section--paper {
  background: var(--paper);
  color: var(--text-on-paper);
}

.page-products .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  color: inherit;
}

.page-products .section--paper .section__eyebrow {
  color: var(--pp-paper-mute);
}

.page-products .section__note {
  margin-top: 16px;
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.8;
}

.page-products .lede {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.8;
}

.page-products .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .media-frame {
  overflow: hidden;
  border: 1px solid var(--pp-line-soft);
  background: linear-gradient(180deg, rgba(30, 42, 61, 0.55), rgba(7, 11, 18, 0.75));
  margin: 0;
}

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

.page-products .media-frame__caption {
  display: block;
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--muted);
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .media-frame--paper {
  background: var(--paper-2);
  border-color: var(--pp-ink-line);
}

.page-products .media-frame--paper .media-frame__caption {
  color: var(--pp-paper-mute);
  border-top-color: var(--pp-ink-line);
}

/* ── 面包屑与快速跳转 ── */
.page-products .prod-crumbs {
  padding-top: clamp(20px, 3vw, 30px);
}

.page-products .crumbs__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-products .crumbs__item a {
  color: var(--muted);
  text-decoration: none;
}

.page-products .crumbs__item a:hover {
  color: var(--lime);
}

.page-products .crumbs__sep {
  color: var(--edge);
}

.page-products .prod-jump {
  border-bottom: 1px solid var(--pp-line-soft);
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-products .prod-jump__inner {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding-bottom: 14px;
}

.page-products .prod-jump__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--edge);
  padding-right: 8px;
  border-right: 1px solid var(--pp-line);
  margin-right: 6px;
}

.page-products .prod-jump__link {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid transparent;
}

.page-products .prod-jump__link:hover,
.page-products .prod-jump__link[aria-current="true"] {
  color: var(--lime);
  border-color: var(--pp-line);
}

/* ── 首屏 ── */
.page-products .prod-hero {
  padding-top: clamp(24px, 4vw, 48px);
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .prod-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 54px);
}

.page-products .prod-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 90%;
  font-size: clamp(34px, 8.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 14px 0 0;
  color: #fff;
  max-width: 15ch;
}

.page-products .prod-hero__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 6px;
  background: var(--lime);
  margin-top: clamp(18px, 3vw, 26px);
}

.page-products .prod-hero__lede {
  margin-top: clamp(18px, 2.6vw, 26px);
  max-width: 48ch;
  color: var(--muted);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .prod-hero__coord {
  border: 1px solid var(--pp-line);
  background: linear-gradient(180deg, rgba(30, 42, 61, 0.75), rgba(7, 11, 18, 0.6));
  padding: 18px 18px 20px;
}

.page-products .prod-hero__coord-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-products .coord-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0 0 0 22px;
  position: relative;
}

.page-products .coord-list::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--pp-line);
}

.page-products .coord-list__item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 4px 10px;
  padding: 9px 0;
}

.page-products .coord-list__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 14px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--lime);
}

.page-products .coord-list__idx {
  font-size: 11.5px;
  color: var(--edge);
  letter-spacing: 0.06em;
}

.page-products .coord-list__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-products .coord-list__hint {
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.page-products .prod-hero__coord-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ── 区块标题组 ── */
.page-products .prod-sec-head {
  max-width: 62ch;
}

/* ── 客户端矩阵 ── */
.page-products .prod-platforms__figure {
  aspect-ratio: 2 / 1;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .plat-grid {
  list-style: none;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--pp-line-soft);
}

.page-products .plat-card {
  padding: 22px 20px 24px;
  border-bottom: 1px solid var(--pp-line-soft);
  transition: background-color 180ms ease;
}

.page-products .plat-card:last-child {
  border-bottom: 0;
}

.page-products .plat-card:hover {
  background: rgba(198, 242, 78, 0.05);
}

.page-products .plat-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  color: #fff;
}

.page-products .plat-card__text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .plat-card__meta {
  margin: 16px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--edge);
}

.page-products .prod-platforms__note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--lime);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

/* ── 资料库 ── */
.page-products .prod-lib__head {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .prod-lib__lede {
  margin-top: 18px;
  max-width: 54ch;
  color: #3B4557;
}

.page-products .prod-lib__figure {
  aspect-ratio: 3 / 2;
  align-self: end;
}

.page-products .lib-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-products .lib-filter {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 9px 15px;
  border: 1px solid var(--pp-ink-line);
  color: var(--text-on-paper);
  background: transparent;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.page-products .lib-filter:hover {
  border-color: var(--lime-deep);
  background: rgba(143, 209, 23, 0.16);
}

.page-products .lib-wall {
  margin-top: 20px;
  display: grid;
  gap: 0;
  border: 1px solid var(--pp-ink-line);
}

.page-products .lib-col {
  padding: 22px 18px 26px;
  border-bottom: 1px solid var(--pp-ink-line);
}

.page-products .lib-col:last-child {
  border-bottom: 0;
}

.page-products .lib-col__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .lib-col__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--text-on-paper);
}

.page-products .lib-col__desc {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: #4A5464;
}

.page-products .doc-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-products .doc-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--pp-ink-line);
}

.page-products .doc-item:last-child {
  border-bottom: 0;
}

.page-products .doc-item__code {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: #8A7A5E;
}

.page-products .doc-item__name {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-on-paper);
}

.page-products .doc-item__meta {
  grid-column: 2;
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--pp-ink-mute);
}

.page-products .prod-lib__strip {
  aspect-ratio: 2 / 1;
  margin-top: clamp(26px, 4vw, 40px);
  border-color: var(--pp-ink-line);
}

/* ── 下载路径 ── */
.page-products .prod-paths__figure {
  aspect-ratio: 2 / 1;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .path-steps {
  list-style: none;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .path-step {
  position: relative;
  padding: 24px 20px 26px;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .path-step:first-child {
  border-top: 0;
}

.page-products .path-step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 44px;
  height: 3px;
  background: var(--lime);
}

.page-products .path-step:first-child::before {
  top: 0;
}

.page-products .path-step__idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-products .path-step__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  margin: 12px 0 0;
  color: #fff;
}

.page-products .path-step__text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40ch;
}

.page-products .path-step__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 242, 78, 0.4);
  padding-bottom: 2px;
}

.page-products .path-step__link:hover {
  border-bottom-color: var(--lime);
}

/* ── 版本与兼容 ── */
.page-products .prod-versions__inner {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-products .prod-versions__lede {
  margin-top: 18px;
  max-width: 52ch;
  color: var(--muted);
}

.page-products .ver-list {
  margin: clamp(24px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-products .ver-list__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .ver-list__row:last-child {
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .ver-list__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-products .ver-list__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-versions__figure {
  aspect-ratio: 12 / 5;
  align-self: start;
}

/* ── 下一步 ── */
.page-products .prod-next__grid {
  margin-top: clamp(26px, 4vw, 38px);
}

.page-products .prod-next__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  border: 1px solid var(--pp-ink-line);
  background: transparent;
  text-decoration: none;
  color: var(--text-on-paper);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-products .prod-next__card:hover {
  border-color: var(--lime-deep);
  transform: translateY(-2px);
}

.page-products .prod-next__card .card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: var(--text-on-paper);
}

.page-products .prod-next__card .card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #4A5464;
  flex: 1 1 auto;
}

.page-products .prod-next__go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime-deep);
}

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

  .page-products .plat-card {
    border-right: 1px solid var(--pp-line-soft);
  }

  .page-products .plat-card:nth-child(2n) {
    border-right: 0;
  }

  .page-products .plat-card:nth-last-child(-n + 1) {
    border-bottom: 0;
  }

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

  .page-products .lib-col {
    border-right: 1px solid var(--pp-ink-line);
  }

  .page-products .lib-col:nth-child(2n) {
    border-right: 0;
  }

  .page-products .lib-col:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}

/* ── 桌面 ── */
@media (min-width: 940px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-products .plat-card {
    border-right: 1px solid var(--pp-line-soft);
  }

  .page-products .plat-card:nth-child(2n) {
    border-right: 1px solid var(--pp-line-soft);
  }

  .page-products .plat-card:nth-child(3n) {
    border-right: 0;
  }

  .page-products .plat-card:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .page-products .plat-card:nth-last-child(-n + 3):not(:nth-last-child(-n + 1)) {
    border-bottom: 1px solid var(--pp-line-soft);
  }

  .page-products .plat-card:nth-last-child(-n + 3) {
    border-bottom: 0;
  }

  .page-products .prod-lib__head {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .lib-wall {
    grid-template-columns: 0.92fr 1.14fr 1.1fr 1fr;
  }

  .page-products .lib-col {
    border-right: 1px solid var(--pp-ink-line);
    border-bottom: 0;
  }

  .page-products .lib-col:nth-child(2n) {
    border-right: 1px solid var(--pp-ink-line);
  }

  .page-products .lib-col:last-child {
    border-right: 0;
  }

  .page-products .lib-col:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

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

  .page-products .path-step {
    border-top: 0;
    border-left: 1px solid var(--pp-line-soft);
    padding: 26px 22px 30px;
  }

  .page-products .path-step:first-child {
    border-left: 0;
  }

  .page-products .path-step::before {
    left: 22px;
    top: 0;
  }

  .page-products .prod-versions__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-products .lib-wall {
    grid-template-columns: 0.9fr 1.2fr 1.12fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .plat-card,
  .page-products .prod-next__card,
  .page-products .lib-filter {
    transition: none;
  }

  .page-products .prod-next__card:hover {
    transform: none;
  }
}