.page-products {
  --prod-band: 72px;
  --prod-gap: 24px;
  --prod-line: var(--grid-600);
}

.page-products [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- Hero ---------- */

.page-products .products-hero {
  padding: 40px 0 0;
}

.page-products .products-hero .breadcrumb {
  margin-bottom: 32px;
}

.page-products .products-hero__grid {
  display: grid;
  gap: 40px;
}

.page-products .products-hero__copy {
  max-width: 820px;
}

.page-products .products-hero__title {
  font-family: var(--font-display);
  font-size: clamp(46px, 13vw, 128px);
  line-height: 0.94;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--white-100);
  margin: 14px 0 24px;
}

.page-products .products-hero__title span {
  display: block;
}

.page-products .products-hero__title span:last-child {
  color: var(--neon-500);
}

.page-products .products-hero__lede {
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted-400);
  max-width: 62ch;
  margin: 0;
}

.page-products .products-hero__media {
  position: relative;
}

.page-products .products-hero__media::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34%;
  height: 3px;
  background: var(--orange-500);
}

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

/* ---------- 五列编号索引 ---------- */

.page-products .products-index {
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(196px, 1fr));
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--prod-line);
  border-bottom: 1px solid var(--prod-line);
  scrollbar-width: thin;
  scrollbar-color: var(--grid-600) transparent;
}

.page-products .products-index__item {
  padding: 26px 20px 30px 0;
  border-right: 1px solid var(--prod-line);
  min-width: 196px;
}

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

.page-products .products-index__item + .products-index__item {
  padding-left: 20px;
}

.page-products .products-index__num {
  display: block;
  font-size: 22px;
  line-height: 1;
  color: var(--neon-500);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.page-products .products-index__name {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.page-products .products-index__name a {
  color: var(--white-100);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .products-index__name a:hover,
.page-products .products-index__name a:focus-visible {
  color: var(--neon-500);
  border-bottom-color: var(--neon-500);
}

.page-products .products-index__use {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-400);
  max-width: 32ch;
}

/* ---------- 资料包 ---------- */

.page-products .products-pack {
  padding-top: var(--prod-band);
  padding-bottom: var(--prod-band);
}

.page-products .products-pack__layout {
  display: grid;
  gap: 36px;
  margin-top: 12px;
}

.page-products .products-pack__notes p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted-400);
  margin: 0 0 26px;
  max-width: 66ch;
}

.page-products .products-pack__notes p:last-child {
  margin-bottom: 0;
}

.page-products .products-pack__sub {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white-100);
  margin: 0 0 10px;
  position: relative;
  padding-left: 18px;
}

.page-products .products-pack__sub::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 8px;
  height: 8px;
  background: var(--violet-500);
}

.page-products .products-pack__figure {
  align-self: start;
}

/* ---------- 表格通用 ---------- */

.page-products .products-table-wrap {
  margin-top: 44px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .products-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.65;
}

.page-products .products-table__caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-400);
  padding: 0 0 16px;
}

.page-products .products-table th,
.page-products .products-table td {
  text-align: left;
  padding: 17px 20px;
  vertical-align: top;
  border-bottom: 1px solid var(--prod-line);
}

.page-products .products-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon-500);
  border-bottom-color: var(--grid-600);
  background: transparent;
}

.page-products .products-table tbody th {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--white-100);
  white-space: nowrap;
}

.page-products .products-table tbody td {
  color: var(--muted-400);
}

.page-products .products-table tbody tr:nth-child(even) {
  background: rgba(30, 74, 60, 0.22);
}

.page-products .products-table tbody tr:hover {
  background: rgba(46, 242, 192, 0.07);
}

.page-products .products-table td.num {
  font-size: 13px;
  line-height: 1.8;
  color: var(--mint-100);
  letter-spacing: 0.01em;
}

/* ---------- 端的选择 ---------- */

.page-products .products-devices {
  padding-top: var(--prod-band);
  padding-bottom: var(--prod-band);
}

.page-products .products-devices__figures {
  display: grid;
  gap: var(--prod-gap);
  margin-top: 12px;
}

.page-products .products-devices__fig {
  position: relative;
}

.page-products .products-devices__fig:nth-child(1)::before,
.page-products .products-devices__fig:nth-child(2)::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 2;
}

.page-products .products-devices__fig:nth-child(1)::before {
  background: var(--violet-500);
}

.page-products .products-devices__fig:nth-child(2)::before {
  background: var(--neon-500);
}

.page-products .products-table--devices .tag {
  white-space: nowrap;
}

/* ---------- 版本时间轴 ---------- */

.page-products .products-timeline {
  padding-top: var(--prod-band);
  padding-bottom: var(--prod-band);
}

.page-products .products-timeline__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 1fr);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  border-top: 1px solid var(--grid-600);
  padding-top: 40px;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: var(--grid-600) transparent;
}

.page-products .products-timeline__item {
  position: relative;
  padding: 0 26px 0 0;
  scroll-snap-align: start;
}

.page-products .products-timeline__ver {
  display: block;
  font-size: 34px;
  line-height: 1;
  color: var(--white-100);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.page-products .products-timeline__dot {
  display: block;
  width: 10px;
  height: 10px;
  background: var(--grid-600);
  margin-bottom: 20px;
  position: relative;
}

.page-products .products-timeline__dot::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 10px;
  width: 100vw;
  height: 1px;
  background: var(--grid-600);
}

.page-products .products-timeline__item:last-child .products-timeline__dot::after {
  display: none;
}

.page-products .products-timeline__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--white-100);
  margin: 0 0 10px;
}

.page-products .products-timeline__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted-400);
  max-width: 30ch;
}

.page-products .products-timeline__item--current .products-timeline__ver {
  color: var(--neon-500);
}

.page-products .products-timeline__item--current .products-timeline__dot {
  background: var(--neon-500);
  box-shadow: 0 0 0 4px rgba(46, 242, 192, 0.2);
}

.page-products .products-timeline__item--current .products-timeline__dot::after {
  background: rgba(46, 242, 192, 0.35);
}

.page-products .products-timeline__title .tag {
  vertical-align: middle;
  margin-left: 8px;
}

.page-products .products-timeline__note {
  margin: 40px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted-400);
  padding-top: 20px;
  border-top: 1px solid var(--grid-600);
  max-width: 72ch;
}

.page-products .products-timeline__note a {
  color: var(--neon-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .products-timeline__note a:hover {
  color: var(--mint-100);
}

/* ---------- 起步三步 ---------- */

.page-products .products-steps {
  padding-top: var(--prod-band);
  padding-bottom: var(--prod-band);
}

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

.page-products .products-steps__item {
  position: relative;
  padding: 30px 0 30px 0;
  border-top: 1px solid var(--prod-line);
}

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

.page-products .products-steps__marker {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-500);
  margin-bottom: 14px;
}

.page-products .products-steps__title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--white-100);
  margin: 0 0 12px;
}

.page-products .products-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted-400);
  max-width: 60ch;
}

.page-products .products-steps__figure {
  margin-top: 40px;
}

/* ---------- 自助处理 ---------- */

.page-products .products-help {
  padding-top: var(--prod-band);
  padding-bottom: var(--prod-band);
}

.page-products .products-help__grid {
  display: grid;
  gap: 32px;
  margin-top: 12px;
}

.page-products .products-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-products .products-help__item {
  padding-left: 20px;
  border-left: 2px solid var(--grid-600);
  transition: border-color 200ms var(--ease);
}

.page-products .products-help__item:hover {
  border-left-color: var(--neon-500);
}

.page-products .products-help__item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--white-100);
  margin: 0 0 8px;
}

.page-products .products-help__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted-400);
  max-width: 58ch;
}

.page-products .products-help__panel {
  align-self: start;
}

.page-products .products-help__panel p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted-400);
}

.page-products .products-help__cta {
  margin: 0 0 22px;
}

.page-products .products-help__panel .annotation {
  display: block;
  color: var(--muted-400);
}

.page-products .products-help__foot {
  margin: 48px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--grid-600);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted-400);
  max-width: 76ch;
}

.page-products .products-help__foot a {
  color: var(--neon-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .products-help__foot a:hover {
  color: var(--mint-100);
}

/* ---------- 媒体查询 ---------- */

@media (min-width: 760px) {
  .page-products {
    --prod-band: 96px;
    --prod-gap: 28px;
  }

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

  .page-products .products-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 32px;
  }

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

@media (min-width: 1000px) {
  .page-products {
    --prod-band: 128px;
  }

  .page-products .products-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: end;
    gap: 56px;
  }

  .page-products .products-pack__layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .products-help__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .products-index__name a,
  .page-products .products-help__item {
    transition: none;
  }
}