.page-products {
  --pp-gap: 16px;
  padding-bottom: 64px;
}

.page-products .section {
  margin-top: 64px;
}

/* ---------- 封面 ---------- */
.page-products .dev-cover {
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--grid);
}

.page-products .dev-cover__grid {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}

.page-products .dev-cover h1 {
  margin: 12px 0 16px;
}

.page-products .dev-cover__specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--grid);
}

.page-products .dev-cover__specs dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-products .dev-cover__specs dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.35;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-products .dev-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 设备控制台 ---------- */
.page-products .console {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-products .device-rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.page-products .device-rail::-webkit-scrollbar {
  display: none;
}

.page-products .device-pill {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 0 0 auto;
  padding: 11px 20px;
  border-radius: var(--pill);
  border: 1px solid var(--grid);
  background: var(--panel);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .04em;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .device-pill span {
  font-family: var(--font-cn);
  font-size: 12px;
  letter-spacing: 0;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-products .device-pill:hover,
.page-products .device-pill:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
}

.page-products .device-pill:hover span,
.page-products .device-pill:focus-visible span {
  color: var(--ink);
}

.page-products .device-panels {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.page-products .device-panels:has(.device-panel:target) .device-panel:not(:target) {
  display: none;
}

.page-products .device-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  border-radius: var(--r-xl);
  background: var(--panel);
  border: 1px solid var(--grid);
  scroll-margin-top: 96px;
  transition: border-color var(--dur) var(--ease);
}

.page-products .device-panel:target {
  border-color: var(--cyan);
  background: var(--panel-2);
}

.page-products .device-panel__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .device-panel h3 {
  margin: 0;
}

.page-products .device-panel p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .device-panel a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--wash-2);
}

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

.page-products .device-panel .media-frame {
  border-radius: var(--r-lg);
}

/* ---------- iOS 入口步骤 ---------- */
.page-products .entry-grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

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

.page-products .step {
  border-top: 1px solid var(--grid);
  padding: 18px 0;
}

.page-products .step:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-products .step summary {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

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

.page-products .step__num {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .step__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -.01em;
}

.page-products .step > p {
  margin: 10px 0 0;
  padding-left: 74px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .step a,
.page-products .troubleshoot a {
  color: var(--cyan);
  text-decoration: none;
}

.page-products .troubleshoot {
  margin-top: 32px;
  padding: 24px;
}

.page-products .troubleshoot h3 {
  margin: 0 0 14px;
  font-size: 19px;
  color: var(--paper);
}

.page-products .plain-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 版本演进 ---------- */
.page-products .version-stage {
  position: relative;
  margin-top: 28px;
  border-radius: var(--r-xl);
  border: 1px solid var(--grid);
  background: var(--panel);
  overflow-x: auto;
  overflow-y: hidden;
}

.page-products .version-stage__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-products .version-chart {
  position: relative;
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}

.page-products .vc-base {
  stroke: var(--grid);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.page-products .vc-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-products .vc-node circle {
  fill: var(--ink);
  stroke: var(--cyan);
  stroke-width: 2;
  transition: fill var(--dur) var(--ease);
}

.page-products .vc-node:hover circle {
  fill: var(--cyan);
}

.page-products .vc-year {
  fill: var(--mist);
  font-family: var(--font-mono);
  font-size: 15px;
  text-anchor: middle;
  font-variant-numeric: tabular-nums;
}

.page-products .vc-pop {
  fill: var(--paper);
  font-family: var(--font-cn);
  font-size: 14px;
  text-anchor: middle;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-products .vc-node:hover .vc-pop {
  opacity: 1;
}

.page-products .version-notes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .version-notes li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .version-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-products .version-notes strong {
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-products .version-notes a {
  color: var(--cyan);
  text-decoration: none;
}

/* ---------- 订阅 ---------- */
.page-products .subscribe-grid {
  display: grid;
  gap: 28px;
  margin-top: 8px;
}

.page-products .quota {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin: 22px 0 12px;
}

.page-products .quota__value {
  font-family: var(--font-mono);
  font-size: 72px;
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .quota__label {
  font-size: 15px;
  color: var(--mist);
}

.page-products .quota-dots {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-products .quota-dots li {
  width: 36px;
  height: 8px;
  border-radius: var(--pill);
  background: var(--cyan);
  opacity: .72;
}

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

.page-products .alert-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .alert-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-products .subscribe-grid .muted {
  margin-top: 20px;
  font-size: 14.5px;
  line-height: 1.7;
}

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

/* ---------- 三端对照 ---------- */
.page-products .media-frame--wide {
  margin: 28px 0 0;
}

.page-products .table-wrap {
  margin-top: 24px;
  border: 1px solid var(--grid);
  border-radius: var(--r-lg);
  overflow-x: auto;
}

.page-products .data-table {
  min-width: 620px;
  width: 100%;
}

.page-products .data-table caption {
  padding: 16px 20px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-products .data-table th[scope="row"] {
  font-family: var(--font-cn);
  font-weight: 700;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .note {
  margin-top: 14px;
}

/* ---------- 准备清单 ---------- */
.page-products .prep {
  display: grid;
  gap: 10px;
  padding: 24px;
  border-radius: var(--r-xl);
  background: var(--panel);
  border: 1px solid var(--grid);
}

.page-products .prep__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-products .prep h3 {
  margin: 0;
}

.page-products .prep p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist);
}

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

/* ---------- 收尾 ---------- */
.page-products .closing {
  padding: 32px 28px;
}

.page-products .closing h2 {
  margin: 0 0 14px;
}

.page-products .closing p {
  margin: 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .closing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-products .step summary {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 18px;
  }

  .page-products .step__num {
    font-size: 72px;
  }

  .page-products .step > p {
    padding-left: 110px;
  }

  .page-products .closing {
    padding: 44px 40px;
  }
}

@media (min-width: 900px) {
  .page-products .dev-cover {
    padding-top: 32px;
  }

  .page-products .dev-cover__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
  }

  .page-products .dev-cover__specs {
    grid-template-columns: 1fr;
    border-top: 0;
    border-left: 1px solid var(--grid);
    padding: 6px 0 6px 26px;
    gap: 18px;
  }

  .page-products .dev-cover__specs dd {
    font-size: 19px;
  }

  .page-products .entry-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .page-products .subscribe-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: 44px;
  }

  .page-products .version-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1000px) {
  .page-products .console {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-products .device-rail {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 96px;
  }

  .page-products .device-pill {
    align-items: flex-start;
    border-radius: var(--r-lg);
  }
}

@media (max-width: 700px) {
  .page-products .version-stage__bg {
    display: none;
  }

  .page-products .quota__value {
    font-size: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .device-pill,
  .page-products .device-panel,
  .page-products .vc-node circle,
  .page-products .vc-pop {
    transition: none;
  }
}