.page-products {
  --products-gap: clamp(1.5rem, 4vw, 3rem);
  --products-radius: 18px;
  position: relative;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-stack);
}

.page-products .container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.page-products .section {
  padding-block: clamp(3.5rem, 8vw, 6rem);
  scroll-margin-top: calc(var(--header-top) + var(--header-h) + 12px);
}

.page-products .section-head {
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.page-products .section-head--center {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
}

.page-products .section-title {
  font-size: var(--font-subhead);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0.75rem;
  color: var(--text-primary);
}

.page-products .section-desc {
  font-size: var(--font-body);
  line-height: var(--line-body);
  color: var(--text-secondary);
  max-width: 640px;
}

.page-products .section-head--center .section-desc {
  margin-inline: auto;
}

.page-products .section-desc strong,
.page-products .section-desc b {
  color: var(--gold);
  font-weight: 600;
}

/* ===== Hero ===== */
.page-products .products-hero {
  padding: clamp(2rem, 5vw, 4rem) 0 clamp(2.5rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(212, 175, 55, 0.12), transparent 60%),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(245, 245, 247, 0.04), transparent 70%);
  pointer-events: none;
}

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

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-caption);
  color: var(--text-muted);
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  flex-wrap: wrap;
}

.page-products .breadcrumb__link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.page-products .breadcrumb__link:hover {
  color: var(--gold);
}

.page-products .breadcrumb__current {
  color: var(--gold);
}

.page-products .products-hero__grid {
  display: grid;
  gap: var(--products-gap);
  align-items: center;
}

.page-products .products-hero__content {
  max-width: 620px;
}

.page-products .products-hero__title {
  font-size: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0.75rem 0 1.25rem;
  color: var(--text-primary);
}

.page-products .products-hero__lead {
  font-size: var(--font-body);
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.page-products .products-hero__lead strong {
  color: var(--gold);
  font-weight: 600;
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-caption);
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.page-products .btn:active {
  transform: scale(0.97);
}

.page-products .btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #0a0a0a;
  box-shadow: var(--shadow-gold);
}

.page-products .btn-gold:hover {
  box-shadow: 0 6px 28px rgba(212, 175, 55, 0.3);
}

.page-products .btn-ghost {
  border: 1px solid var(--divider);
  color: var(--text-primary);
  background: transparent;
}

.page-products .btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-products .btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  flex-shrink: 0;
}

.page-products .products-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 3vw, 2.25rem);
  list-style: none;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--divider);
  margin: 0;
}

.page-products .products-hero__stat {
  display: grid;
  gap: 0.25rem;
}

.page-products .products-hero__stat-num {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-products .products-hero__stat-label {
  font-size: var(--font-caption);
  color: var(--text-muted);
}

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

.page-products .frame-window {
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: clamp(0.5rem, 1.5vw, 1rem);
  background: var(--bg-elevated);
  position: relative;
}

.page-products .frame-window .frame-corner {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 22px;
  height: 22px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  border-top-left-radius: 6px;
}

.page-products .frame-window .frame-corner--tr {
  top: 8px;
  right: 8px;
  left: auto;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  border-left: none;
  border-top-left-radius: 0;
  border-top-right-radius: 6px;
}

.page-products .frame-window .frame-corner--bl {
  bottom: 8px;
  left: 8px;
  top: auto;
  border-bottom: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  border-top: none;
  border-top-left-radius: 0;
  border-bottom-left-radius: 6px;
}

.page-products .products-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 10px;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

/* ===== 设备切换 ===== */
.page-products .device-switcher {
  position: relative;
}

.page-products .device-switcher__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-products .device-switcher__nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--divider) transparent;
}

.page-products .device-switcher__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--divider);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: var(--font-caption);
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-products .device-switcher__label:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-products .device-switcher__icon {
  flex-shrink: 0;
}

.page-products .device-switcher__panel {
  display: none;
  animation: products-fade-up 360ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes products-fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-products .device-switcher__panel--all {
  display: block;
}

.page-products #dt-iphone:checked ~ .device-switcher__content .device-switcher__panel--all,
.page-products #dt-ipad:checked ~ .device-switcher__content .device-switcher__panel--all,
.page-products #dt-mac:checked ~ .device-switcher__content .device-switcher__panel--all,
.page-products #dt-watch:checked ~ .device-switcher__content .device-switcher__panel--all {
  display: none;
}

.page-products #dt-iphone:checked ~ .device-switcher__nav label[for="dt-iphone"],
.page-products #dt-ipad:checked ~ .device-switcher__nav label[for="dt-ipad"],
.page-products #dt-mac:checked ~ .device-switcher__nav label[for="dt-mac"],
.page-products #dt-watch:checked ~ .device-switcher__nav label[for="dt-watch"] {
  background: var(--gold);
  border-color: var(--gold);
  color: #0a0a0a;
  box-shadow: var(--shadow-gold);
}

.page-products #dt-iphone:checked ~ .device-switcher__content .device-switcher__panel--iphone,
.page-products #dt-ipad:checked ~ .device-switcher__content .device-switcher__panel--ipad,
.page-products #dt-mac:checked ~ .device-switcher__content .device-switcher__panel--mac,
.page-products #dt-watch:checked ~ .device-switcher__content .device-switcher__panel--watch {
  display: block;
}

.page-products .device-switcher__content {
  min-width: 0;
}

.page-products .media {
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
}

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

.page-products .devices-media {
  margin-bottom: 1.5rem;
  aspect-ratio: 16 / 9;
}

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

.page-products .device-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.page-products .device-card {
  padding: 1.5rem;
}

.page-products .paper {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
}

.page-products .paper::after {
  content: "";
  position: absolute;
  inset: auto 10px -8px 10px;
  height: 8px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 0 0 8px 8px;
  z-index: -1;
  filter: blur(4px);
}

.page-products .tag {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: var(--radius-pill);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
  background: rgba(212, 175, 55, 0.06);
}

.page-products .device-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}

.page-products .device-card__desc {
  font-size: var(--font-caption);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
}

.page-products .device-card__meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: block;
}

.page-products .device-detail {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .device-detail__title {
  font-size: var(--font-subhead);
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--text-primary);
}

.page-products .device-detail__desc {
  font-size: var(--font-body);
  line-height: var(--line-body);
  color: var(--text-secondary);
  margin: 0 0 1.25rem;
}

.page-products .device-detail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-products .device-detail__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: var(--font-caption);
  color: var(--text-secondary);
  line-height: 1.6;
}

.page-products .device-detail__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-products .coverage-timeline {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
}

.page-products .coverage-timeline__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--divider);
  object-fit: cover;
}

.page-products .coverage-timeline__note {
  font-size: var(--font-caption);
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.page-products .coverage-timeline__note strong {
  color: var(--text-secondary);
  font-weight: 600;
}

/* ===== 系统版本要求 ===== */
.page-products .system-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}

.page-products .system-card {
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.page-products .system-card:hover {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-2px);
}

.page-products .system-card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-products .system-card__icon {
  color: var(--gold);
  flex-shrink: 0;
}

.page-products .system-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.page-products .system-card__meter {
  height: 8px;
  border-radius: 999px;
  background: var(--surface);
  overflow: hidden;
  margin-bottom: 0.75rem;
  position: relative;
}

.page-products .system-card__meter-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  box-shadow: var(--shadow-gold);
}

.page-products .system-card__meter-fill--ios {
  width: 92%;
}

.page-products .system-card__meter-fill--ipados {
  width: 88%;
}

.page-products .system-card__meter-fill--macos {
  width: 84%;
}

.page-products .system-card__meter-fill--watchos {
  width: 80%;
}

.page-products .system-card__req {
  font-size: var(--font-caption);
  color: var(--text-secondary);
  margin: 0;
  font-weight: 600;
}

.page-products .system-note {
  margin-top: 1.5rem;
  font-size: var(--font-caption);
  color: var(--text-muted);
  line-height: 1.7;
  text-align: center;
}

/* ===== 版本下载 ===== */
.page-products .download-layout {
  display: grid;
  gap: var(--products-gap);
}

.page-products .version-list {
  display: grid;
  gap: 1rem;
}

.page-products .version-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  transition: border-color var(--transition);
}

.page-products .version-row:hover {
  border-color: rgba(212, 175, 55, 0.5);
}

.page-products .version-row__main {
  flex: 1;
  min-width: 0;
}

.page-products .version-row__num {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
  color: var(--text-primary);
}

.page-products .version-row__desc {
  font-size: var(--font-caption);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.page-products .download-aside {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-products .download-media {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--divider);
}

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

.page-products .download-tips {
  padding: 1.5rem;
}

.page-products .download-tips__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--text-primary);
}

.page-products .download-tips__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.625rem;
  counter-reset: tips;
}

.page-products .download-tips__list li {
  counter-increment: tips;
  position: relative;
  padding-left: 2rem;
  font-size: var(--font-caption);
  line-height: 1.6;
  color: var(--text-secondary);
}

.page-products .download-tips__list li::before {
  content: counter(tips, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
}

/* ===== 切换指南 ===== */
.page-products .guide-layout {
  display: grid;
  gap: var(--products-gap);
  margin-top: 2rem;
}

.page-products .guide-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .guide-step {
  overflow: hidden;
  scroll-margin-top: calc(var(--header-top) + var(--header-h) + 12px);
}

.page-products .guide-step__details {
  padding: 1.25rem 1.5rem;
}

.page-products .guide-step__summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-products .guide-step__summary::-webkit-details-marker {
  display: none;
}

.page-products .guide-step__num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #0a0a0a;
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: var(--shadow-gold);
}

.page-products .guide-step__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.page-products .guide-step__details[open] .guide-step__summary {
  margin-bottom: 0.75rem;
}

.page-products .guide-step__desc {
  font-size: var(--font-caption);
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
  padding-left: 3.5rem;
}

.page-products .guide-aside {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-products .guide-media {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--divider);
}

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

.page-products .guide-note {
  border-left: 2px solid var(--gold);
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-products .guide-note__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 0.375rem;
}

.page-products .guide-note p {
  margin: 0;
  font-size: var(--font-caption);
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ===== 更新日志筛选 ===== */
.page-products .log-switcher {
  position: relative;
  margin-bottom: 1.5rem;
}

.page-products .log-switcher__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-products .log-switcher__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.page-products .log-switcher__label {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--divider);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: var(--font-caption);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-products .log-switcher__label:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-products .log-switcher__panel {
  display: none;
}

.page-products .log-switcher__panel--all {
  display: block;
}

.page-products #lf-recent:checked ~ .log-switcher__bar label[for="lf-recent"],
.page-products #lf-quarter:checked ~ .log-switcher__bar label[for="lf-quarter"],
.page-products #lf-year:checked ~ .log-switcher__bar label[for="lf-year"] {
  background: var(--gold);
  border-color: var(--gold);
  color: #0a0a0a;
  box-shadow: var(--shadow-gold);
}

.page-products #lf-recent:checked ~ .log-switcher__content .log-switcher__panel--all,
.page-products #lf-quarter:checked ~ .log-switcher__content .log-switcher__panel--all,
.page-products #lf-year:checked ~ .log-switcher__content .log-switcher__panel--all {
  display: none;
}

.page-products #lf-recent:checked ~ .log-switcher__content .log-switcher__panel--recent,
.page-products #lf-quarter:checked ~ .log-switcher__content .log-switcher__panel--quarter,
.page-products #lf-year:checked ~ .log-switcher__content .log-switcher__panel--year {
  display: block;
}

.page-products .timeline {
  position: relative;
  display: grid;
  gap: 1rem;
  padding-left: 1.25rem;
}

.page-products .timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--divider) 30%, var(--divider) 70%, var(--gold));
  opacity: 0.5;
}

.page-products .timeline-item {
  position: relative;
  padding: 1.25rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  scroll-margin-top: calc(var(--header-top) + var(--header-h) + 12px);
}

.page-products .timeline-item::before {
  content: "";
  position: absolute;
  left: -1.25rem;
  top: 1.5rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
  transform: translateX(-50%);
}

.page-products .timeline-item:hover,
.page-products .timeline-item:focus-visible {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-2px);
  box-shadow: var(--shadow-float);
}

.page-products .timeline-item__title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
  color: var(--text-primary);
}

.page-products .timeline-item__desc {
  font-size: var(--font-caption);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.page-products .changelog-media {
  margin-top: 1.5rem;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--divider);
}

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

/* ===== 服务范围 ===== */
.page-products .coverage-card {
  display: grid;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  overflow: hidden;
}

.page-products .coverage-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.page-products .coverage-card__content {
  max-width: 640px;
}

.page-products .coverage-card__title {
  font-size: var(--font-subhead);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
  color: var(--text-primary);
}

.page-products .coverage-card__desc {
  font-size: var(--font-body);
  line-height: var(--line-body);
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
}

.page-products .coverage-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .coverage-card__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.page-products .coverage-stat {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: grid;
  gap: 0.375rem;
}

.page-products .coverage-stat__num {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-products .coverage-stat__label {
  font-size: var(--font-caption);
  color: var(--text-muted);
  line-height: 1.5;
}

.page-products .coverage-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
}

/* ===== 滚动显现增强 ===== */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 520ms cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 520ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-products .device-switcher__panel,
  .page-products .log-switcher__panel {
    animation: none;
  }

  .page-products .coverage-card,
  .page-products .paper,
  .page-products .device-card,
  .page-products .system-card,
  .page-products .version-row,
  .page-products .timeline-item {
    transition: none;
    transform: none;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 920px) {
  .page-products .products-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-products .products-hero__title {
    font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  }

  .page-products .device-switcher__nav {
    flex-direction: column;
    overflow: visible;
    width: 200px;
    flex-shrink: 0;
    padding-bottom: 0;
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--header-top) + var(--header-h) + 12px);
    align-self: start;
  }

  .page-products .device-switcher__content {
    flex: 1;
    min-width: 0;
  }

  .page-products .device-switcher {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
  }

  .page-products .device-switcher__label {
    width: 100%;
  }

  .page-products .device-switcher__label[for="dt-all"],
  .page-products .device-switcher__label[for="dt-iphone"],
  .page-products .device-switcher__label[for="dt-ipad"],
  .page-products .device-switcher__label[for="dt-mac"],
  .page-products .device-switcher__label[for="dt-watch"] {
    justify-content: flex-start;
  }

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

  .page-products .system-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .download-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
  }

  .page-products .download-aside {
    position: sticky;
    top: calc(var(--header-top) + var(--header-h) + 12px);
  }

  .page-products .guide-layout {
    grid-template-columns: minmax(0, 1fr) 400px;
    align-items: start;
  }

  .page-products .guide-aside {
    position: sticky;
    top: calc(var(--header-top) + var(--header-h) + 12px);
  }

  .page-products .version-row {
    flex-direction: row;
    align-items: center;
  }

  .page-products .coverage-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 3rem;
    align-items: center;
  }

  .page-products .log-switcher__bar {
    flex-wrap: nowrap;
  }

  .page-products .coverage-timeline {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-products .coverage-timeline__note {
    max-width: 220px;
  }
}

@media (min-width: 1240px) {
  .page-products .device-switcher__nav {
    width: 240px;
  }

  .page-products .device-grid {
    gap: 1.25rem;
  }

  .page-products .system-grid {
    gap: 1.25rem;
  }
}