.page-products {
  --prod-dark-line: rgba(44, 65, 96, 0.75);
  --prod-paper-line: rgba(16, 24, 32, 0.14);
  --prod-soft-paper: rgba(244, 241, 236, 0.72);
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-products > section {
  padding-block: clamp(48px, 7vw, 88px);
}

.page-products > .breadcrumbs {
  padding-top: 18px;
  color: rgba(244, 241, 236, 0.64);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
}

.page-products > .breadcrumbs a {
  color: var(--paper-100);
  text-decoration: none;
}

.page-products > .breadcrumbs a:hover {
  color: var(--red-500);
}

.page-products .prod-dark {
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-products .prod-deep {
  background: var(--ink-700);
  color: var(--paper-100);
}

.page-products .prod-paper {
  background: var(--paper-100);
  color: var(--ink-text);
}

.page-products .prod-head {
  max-width: 800px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-products .prod-head h2,
.page-products .prod-h2 {
  margin: 0 0 0.45em;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.page-products .prod-dark .eyebrow,
.page-products .prod-deep .eyebrow {
  color: var(--cyan-400);
}

.page-products .prod-paper .eyebrow {
  color: var(--red-700);
}

.page-products .prod-head p {
  margin-top: 0;
}

.page-products .prod-dark .prod-head > p:not(.eyebrow),
.page-products .prod-deep .prod-head > p:not(.eyebrow) {
  color: var(--prod-soft-paper);
}

.page-products .prod-paper .prod-head > p:not(.eyebrow) {
  color: var(--muted);
}

.page-products .prod-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: color 160ms var(--ease);
}

.page-products .prod-dark .prod-link,
.page-products .prod-deep .prod-link {
  color: var(--cyan-400);
}

.page-products .prod-paper .prod-link {
  color: var(--red-700);
}

.page-products .prod-link:hover {
  color: var(--red-500);
}

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

/* 首屏 */
.page-products .prod-hero {
  display: grid;
  gap: clamp(36px, 6vw, 72px);
  padding-block: clamp(30px, 5vw, 66px) clamp(24px, 4vw, 48px);
}

.page-products .prod-title {
  max-width: 14em;
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(2.55rem, 7.4vw, 4.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.page-products .prod-hero .lede {
  margin: 0;
  color: var(--paper-100);
  font-size: clamp(var(--fs-17), 2vw, var(--fs-21));
  line-height: 1.65;
}

.page-products .prod-hero__note {
  max-width: 38em;
  margin: 20px 0 0;
  color: var(--prod-soft-paper);
  font-size: var(--fs-13);
  line-height: 1.8;
}

.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 28px;
}

.page-products .prod-dial {
  position: relative;
  width: min(100%, 370px);
  aspect-ratio: 1;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--ink-500);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 46%, rgba(79, 227, 208, 0.13), transparent 56%),
    var(--ink-900);
}

.page-products .prod-dial::before {
  content: "";
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  border: 1px solid var(--ink-500);
  opacity: 0.9;
}

.page-products .prod-dial::after {
  content: "";
  position: absolute;
  inset: 13%;
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, var(--ink-500) 0deg 1deg, transparent 1deg 9deg);
  -webkit-mask: radial-gradient(circle, transparent 0 68%, #000 68.4% 72%, transparent 72.4%);
  mask: radial-gradient(circle, transparent 0 68%, #000 68.4% 72%, transparent 72.4%);
  opacity: 0.8;
}

.page-products .prod-dial__ring {
  position: absolute;
  inset: 13%;
  border-radius: 50%;
  background: conic-gradient(from 225deg, var(--red-500) 0deg 58deg, transparent 58deg 360deg);
  -webkit-mask: radial-gradient(circle, transparent 0 72%, #000 72.5% 76%, transparent 76.5%);
  mask: radial-gradient(circle, transparent 0 72%, #000 72.5% 76%, transparent 76.5%);
}

.page-products .prod-dial__center {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-products .prod-dial__num {
  font-family: var(--font-mono);
  font-size: clamp(3.8rem, 12vw, 6.2rem);
  font-weight: 700;
  line-height: 0.9;
  color: var(--paper-100);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-dial__unit {
  color: var(--cyan-400);
  font-size: var(--fs-13);
}

.page-products .prod-dial__legend {
  position: absolute;
  right: 0;
  bottom: 13%;
  left: 0;
  display: grid;
  gap: 3px;
  padding-inline: 20px;
  color: rgba(244, 241, 236, 0.62);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  text-align: center;
}

.page-products .prod-dial__legend b {
  color: var(--paper-100);
  font-weight: 500;
}

.page-products .prod-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(14px, 3vw, 28px);
  border-top: 1px solid var(--ink-500);
  border-bottom: 1px solid var(--ink-500);
}

.page-products .metric {
  padding: 18px 14px;
  border-bottom: 1px solid var(--ink-500);
}

.page-products .metric:nth-child(odd) {
  border-right: 1px solid var(--ink-500);
}

.page-products .metric__num {
  display: block;
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-products .metric__num small {
  margin-left: 3px;
  font-size: 11px;
  font-weight: 400;
}

.page-products .metric__label {
  display: block;
  margin-top: 7px;
  color: rgba(244, 241, 236, 0.66);
  font-size: var(--fs-12);
}

/* 频道目录 */
.page-products .catalog {
  display: grid;
  gap: 26px;
}

.page-products .catalog__rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-color: var(--ink-500) transparent;
}

.page-products .catalog__rail-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--ink-500);
  color: var(--paper-100);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .catalog__rail-link:hover,
.page-products .catalog__rail-link:focus-visible {
  border-color: var(--red-500);
  background: rgba(225, 43, 50, 0.12);
}

.page-products .catalog__rail-num {
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-products .catalog__rail-label {
  font-family: var(--font-serif);
  font-size: var(--fs-15);
}

.page-products .catalog__rail-count {
  color: rgba(244, 241, 236, 0.56);
  font-family: var(--font-mono);
  font-size: 10px;
}

.page-products .chan-group {
  scroll-margin-top: 120px;
  border-top: 1px solid var(--ink-500);
  padding-top: 18px;
}

.page-products .chan-group + .chan-group {
  margin-top: 28px;
}

.page-products .chan-group:first-child {
  border-top-color: var(--red-500);
}

.page-products .chan-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin-bottom: 14px;
}

.page-products .chan-group__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-products .chan-group__count {
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-products .chan-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-products .chan-item {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 10px 8px;
  border-bottom: 1px solid var(--ink-500);
  transition: background-color 150ms var(--ease);
}

.page-products .chan-item:hover {
  background: rgba(44, 65, 96, 0.46);
}

.page-products .chan-no {
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.page-products .chan-name {
  font-family: var(--font-serif);
  font-size: var(--fs-17);
  line-height: 1.45;
}

.page-products .chan-type {
  color: rgba(244, 241, 236, 0.42);
  font-family: var(--font-mono);
  font-size: 10px;
}

.page-products .catalog__note {
  max-width: 42em;
  margin: 26px 0 0;
  color: var(--prod-soft-paper);
  font-size: var(--fs-13);
  line-height: 1.8;
}

.page-products .figure {
  margin: 0;
}

.page-products .figure__frame {
  overflow: hidden;
  border: 1px solid var(--ink-500);
  background: var(--ink-700);
}

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

.page-products .figure__caption {
  margin-top: 10px;
  color: var(--muted);
  font-size: var(--fs-12);
  line-height: 1.6;
}

.page-products .prod-dark .figure__caption,
.page-products .prod-deep .figure__caption {
  color: rgba(244, 241, 236, 0.62);
}

.page-products .catalog-figure {
  margin-top: clamp(28px, 5vw, 48px);
}

/* 订阅入口 */
.page-products .entry-grid {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--prod-paper-line);
  background: var(--prod-paper-line);
}

.page-products .entry-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3.5vw, 32px);
  background: var(--paper-100);
}

.page-products .entry-card__num {
  color: var(--red-500);
  font-family: var(--font-mono);
  font-size: var(--fs-40);
  font-weight: 700;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}

.page-products .entry-card h3 {
  margin: 0;
  color: var(--ink-text);
  font-family: var(--font-display);
  font-size: var(--fs-21);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .entry-card p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-15);
  line-height: 1.75;
}

.page-products .entry-more {
  max-width: 46em;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: var(--fs-13);
  line-height: 1.8;
}

.page-products .prod-dark .entry-more,
.page-products .prod-deep .entry-more {
  color: var(--prod-soft-paper);
}

/* 三端标签页 */
.page-products .device-tabs {
  margin-top: 10px;
}

.page-products .prod-tabpanel {
  display: grid;
  gap: 18px;
  padding-top: 22px;
}

.page-products .prod-tabpanel__lead {
  max-width: 38em;
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.75;
}

/* 平板 */
.page-products .tablet-layout {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-products .tablet-copy > p {
  max-width: 38em;
  margin: 0 0 16px;
  font-size: var(--fs-15);
  line-height: 1.8;
}

.page-products .tablet-copy .lede {
  color: var(--ink-text);
  font-size: var(--fs-21);
  line-height: 1.65;
}

.page-products .tablet-notes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--prod-paper-line);
}

.page-products .tablet-notes li {
  display: grid;
  grid-template-columns: 2.8em minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--prod-paper-line);
  color: var(--ink-text);
  font-size: var(--fs-15);
  line-height: 1.7;
}

.page-products .tablet-notes .mono {
  color: var(--red-700);
  font-size: 11px;
}

.page-products .tablet-figure .figure__frame {
  border-color: var(--prod-paper-line);
}

.page-products .tablet-snap {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  padding-bottom: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--red-500) transparent;
}

.page-products .snap-card {
  display: flex;
  flex: 0 0 min(76vw, 230px);
  flex-direction: column;
  gap: 14px;
  min-height: 154px;
  padding: 18px;
  scroll-snap-align: start;
  border: 1px solid var(--ink-500);
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-products .snap-card:first-child {
  border-top-color: var(--red-500);
}

.page-products .snap-card__top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-products .snap-card__venue {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.page-products .snap-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.page-products .snap-card__meta span {
  padding: 3px 6px;
  border: 1px solid var(--ink-500);
  color: rgba(244, 241, 236, 0.72);
  font-family: var(--font-mono);
  font-size: 10px;
}

/* 电脑端 */
.page-products .pc-layout {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-products .window-timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3px;
  margin: 6px 0 28px;
}

.page-products .window-block {
  padding-top: 13px;
  border-top: 2px solid var(--ink-500);
  color: rgba(244, 241, 236, 0.52);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
}

.page-products .window-block--active {
  border-top-color: var(--red-500);
  color: var(--paper-100);
}

.page-products .window-block--active span {
  position: relative;
}

.page-products .window-block--active span::before {
  content: "";
  position: absolute;
  top: -19px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--red-500);
}

.page-products .prod-points {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink-500);
}

.page-products .prod-points li {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ink-500);
  color: var(--paper-100);
  font-size: var(--fs-15);
  line-height: 1.75;
}

.page-products .prod-points__num {
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-products .pc-figure .figure__frame {
  border-color: var(--ink-500);
}

/* 设备记录 */
.page-products .records-layout {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-products .records-figure .figure__frame {
  border-color: var(--prod-paper-line);
}

.page-products .records-list {
  margin: 0;
  border-top: 1px solid var(--prod-paper-line);
}

.page-products .records-item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--prod-paper-line);
}

.page-products .records-item dt {
  color: var(--red-700);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
}

.page-products .records-item dd {
  margin: 0;
  color: var(--ink-text);
  font-size: var(--fs-15);
  line-height: 1.75;
}

.page-products .records-copy > p {
  max-width: 40em;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: var(--fs-13);
  line-height: 1.8;
}

/* 提醒 */
.page-products .alert-grid {
  display: grid;
  gap: 16px;
}

.page-products .alert-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(20px, 3.5vw, 28px);
  border: 1px solid var(--ink-500);
  background: rgba(22, 38, 63, 0.52);
}

.page-products .alert-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-products .alert-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 4em;
  gap: 12px;
  align-items: center;
  padding-top: 13px;
  border-top: 1px solid var(--ink-500);
  font-size: var(--fs-15);
}

.page-products .alert-state {
  color: rgba(244, 241, 236, 0.6);
  font-family: var(--font-mono);
  font-size: 10px;
  text-align: right;
}

.page-products .toggle {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
  border: 1px solid var(--ink-500);
  border-radius: 999px;
  background: var(--ink-900);
}

.page-products .toggle--on {
  border-color: var(--green-500);
  background: rgba(63, 163, 106, 0.35);
}

.page-products .toggle__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(244, 241, 236, 0.64);
}

.page-products .toggle--on .toggle__thumb {
  left: 21px;
  background: var(--green-500);
}

.page-products .alert-meta {
  margin: 0;
  color: var(--prod-soft-paper);
  font-size: var(--fs-13);
  line-height: 1.7;
}

/* 版本 */
.page-products .version-figure {
  margin-bottom: clamp(34px, 5vw, 58px);
}

.page-products .version-figure .figure__frame {
  border-color: var(--prod-paper-line);
}

.page-products .version-head {
  margin-bottom: 18px;
}

.page-products .version-list {
  margin-top: 26px;
  border-top: 1px solid var(--prod-paper-line);
}

.page-products .version-item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--prod-paper-line);
}

.page-products .version-year {
  color: var(--red-700);
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-products .version-body h3 {
  margin: 0 0 6px;
  color: var(--ink-text);
  font-family: var(--font-display);
  font-size: var(--fs-21);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .version-body p {
  max-width: 44em;
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-15);
  line-height: 1.75;
}

/* 结尾 */
.page-products .closing-section {
  border-top: 1px solid var(--ink-500);
}

.page-products .close-cta {
  display: grid;
  gap: 26px;
  padding-top: 28px;
  border-top: 3px solid var(--red-500);
}

.page-products .close-cta h2 {
  max-width: 12em;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.04;
}

.page-products .close-copy {
  max-width: 42em;
  margin: 0;
  color: var(--prod-soft-paper);
  font-size: var(--fs-15);
  line-height: 1.8;
}

.page-products .close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

@media (min-width: 640px) {
  .page-products .chan-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }

  .page-products .chan-item:nth-child(even) {
    padding-top: 15px;
  }

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

  .page-products .metric {
    border-bottom: 0;
  }

  .page-products .metric:nth-child(odd) {
    border-right: 0;
  }

  .page-products .metric + .metric {
    border-left: 1px solid var(--ink-500);
  }

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

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

@media (min-width: 760px) {
  .page-products .prod-tabpanel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
    align-items: center;
  }

  .page-products .prod-dial {
    width: min(100%, 390px);
  }

  .page-products .catalog {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: clamp(28px, 5vw, 56px);
  }

  .page-products .catalog__rail {
    position: sticky;
    top: 112px;
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .catalog__rail-link {
    border: 0;
    border-left: 2px solid var(--ink-500);
    background: transparent;
  }

  .page-products .catalog__rail-link:hover,
  .page-products .catalog__rail-link:focus-visible {
    border-left-color: var(--red-500);
    background: rgba(44, 65, 96, 0.42);
  }

  .page-products .tablet-layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(32px, 5vw, 60px);
    align-items: center;
  }

  .page-products .pc-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(32px, 5vw, 58px);
  }

  .page-products .records-layout {
    grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(30px, 5vw, 58px);
  }

  .page-products .close-cta {
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
    align-items: end;
    gap: 40px;
  }

  .page-products .close-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-products .prod-title {
    font-size: clamp(4rem, 4.8vw, 5rem);
  }

  .page-products .catalog {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .page-products .chan-list {
    column-gap: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}