.page-products {
  display: block;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-products .prod-head {
  border-bottom: var(--line);
  background: linear-gradient(180deg, rgba(20, 49, 76, .05), rgba(20, 49, 76, 0) 68%);
}

.page-products .prod-head-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-block: 28px 40px;
}

.page-products .prod-title {
  margin: 10px 0 0;
  font-size: clamp(30px, 7.4vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--navy);
}

.page-products .page-lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.75;
}

.page-products .prod-head-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 00px;
  margin: 24px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: var(--line);
}

.page-products .prod-head-meta li {
  position: relative;
  margin-right: 22px;
  padding-left: 13px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--navy);
}

.page-products .prod-head-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--gold);
}

.page-products .prod-head-figure {
  margin: 0;
  border: var(--line);
  overflow: hidden;
}

.page-products .prod-head-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 通用区块头 ---------- */
.page-products .prod-sec-head {
  max-width: 64ch;
}

.page-products .prod-sec-title {
  margin: 10px 0 0;
  font-size: clamp(23px, 4.6vw, 34px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--navy);
}

.page-products .prod-sec-lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .eyebrow {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--flag-red);
}

/* ---------- 六类设备适配清单 ---------- */
.page-products .prod-devices {
  position: relative;
  overflow: hidden;
  padding-block: 46px 54px;
  border-bottom: var(--line);
}

.page-products .prod-devices-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .09;
  pointer-events: none;
}

.page-products .prod-devices-inner {
  position: relative;
  z-index: 1;
}

.page-products .device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  background: var(--weave);
  border: var(--line);
}

.page-products .device-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 20px;
  background: var(--paper);
  outline: none;
  transition: background-color .25s ease;
}

.page-products .device-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--jade);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .3s ease;
}

.page-products .device-card--note::after {
  background: var(--orange);
}

.page-products .device-card:hover,
.page-products .device-card:focus,
.page-products .device-card:focus-within {
  background: rgba(255, 255, 255, .78);
}

.page-products .device-card:hover::after,
.page-products .device-card:focus::after,
.page-products .device-card:focus-within::after {
  transform: scaleY(1);
}

.page-products .device-card:focus-visible {
  box-shadow: inset 0 0 0 1px var(--jade);
}

.page-products .device-icon {
  display: block;
  width: 32px;
  height: 32px;
  color: var(--navy);
}

.page-products .device-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  stroke-linecap: square;
}

.page-products .device-hint {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--mist);
  transition: transform .3s ease, color .3s ease;
}

.page-products .device-card:hover .device-hint,
.page-products .device-card:focus .device-hint,
.page-products .device-card:focus-within .device-hint {
  transform: rotate(45deg);
  color: var(--jade);
}

.page-products .device-name {
  margin: 4px 0 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--ink);
}

.page-products .device-state {
  align-self: flex-start;
  margin: 0;
  padding: 3px 9px;
  border: 1px solid currentColor;
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: .04em;
}

.page-products .device-state--ok {
  color: var(--jade);
}

.page-products .device-state--note {
  color: var(--orange);
}

.page-products .device-detail {
  max-height: 0;
  margin-top: 0;
  padding-top: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .34s ease, opacity .26s ease, padding-top .34s ease, margin-top .34s ease;
}

.page-products .device-card:hover .device-detail,
.page-products .device-card:focus .device-detail,
.page-products .device-card:focus-within .device-detail {
  max-height: 340px;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--weave);
  opacity: 1;
}

.page-products .device-detail-inner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .device-detail-meta {
  margin-top: 10px !important;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--flag-red);
}

/* ---------- 版本演进 ---------- */
.page-products .prod-versions {
  padding-block: 46px 54px;
  border-bottom: var(--line);
  background: linear-gradient(180deg, rgba(20, 49, 76, .045), rgba(20, 49, 76, 0) 42%);
}

.page-products .prod-versions-figure {
  margin: 0 0 30px;
  border: var(--line);
  overflow: hidden;
}

.page-products .prod-versions-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-tabs {
  margin-top: 28px;
  border: var(--line);
}

.page-products .prod-tablist {
  display: flex;
  flex-wrap: nowrap;
  border-bottom: var(--line);
  background: rgba(217, 210, 197, .28);
}

.page-products .prod-tab {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
  min-width: 0;
  padding: 14px 14px 15px;
  border: none;
  border-right: 1px solid var(--weave);
  background: transparent;
  font: inherit;
  text-align: left;
  color: var(--navy);
  cursor: pointer;
  transition: background-color .22s ease, color .22s ease;
}

.page-products .prod-tab:last-child {
  border-right: none;
}

.page-products .prod-tab:hover {
  background: rgba(255, 255, 255, .7);
}

.page-products .prod-tab[aria-selected="true"] {
  background: var(--navy);
  color: var(--paper);
}

.page-products .prod-tab:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: -2px;
}

.page-products .prod-tab-num {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-products .prod-tab[aria-selected="true"] .prod-tab-num {
  color: var(--gold);
}

.page-products .prod-tab-label {
  font-size: 13px;
  line-height: 1.4;
  opacity: .82;
}

.page-products .prod-panels {
  background: var(--paper);
}

.page-products .prod-panel {
  padding: 24px 20px 26px;
}

.page-products .prod-panel + .prod-panel {
  border-top: 1px dashed var(--weave);
}

.page-products .prod-panel-lead {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -.01em;
  color: var(--navy);
}

.page-products .prod-panel-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .prod-panel-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.75;
}

.page-products .prod-panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 1px;
  background: var(--flag-red);
}

/* ---------- 多设备同步 ---------- */
.page-products .prod-sync {
  padding-block: 46px 54px;
  border-bottom: var(--line);
}

.page-products .prod-sync-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-products .prod-sync-lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
}

.page-products .prod-sync-steps {
  counter-reset: syncstep;
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--weave);
  border: var(--line);
}

.page-products .prod-sync-steps li {
  counter-increment: syncstep;
  position: relative;
  padding: 16px 18px 16px 58px;
  background: var(--paper);
  font-size: 16px;
  line-height: 1.7;
}

.page-products .prod-sync-steps li::before {
  content: counter(syncstep, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--flag-red);
}

.page-products .prod-sync-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-size: 15px;
  line-height: 1.75;
  color: var(--navy);
}

.page-products .prod-sync-link {
  margin-top: 22px;
}

.page-products .prod-sync-figure {
  margin: 0;
  border: var(--line);
  overflow: hidden;
  align-self: start;
}

.page-products .prod-sync-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 环境建议 ---------- */
.page-products .prod-env {
  padding-block: 46px 54px;
  border-bottom: var(--line);
}

.page-products .prod-env-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 28px;
  background: var(--weave);
  border: var(--line);
}

.page-products .prod-env-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--paper);
}

.page-products .prod-env-name {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--navy);
}

.page-products .prod-env-item p {
  margin: 0;
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .prod-env-link {
  align-self: flex-start;
  font-size: 14px;
  font-weight: 700;
  color: var(--flag-red);
  text-decoration: none;
  border-bottom: 1px solid var(--flag-red);
  padding-bottom: 2px;
}

.page-products .prod-env-link:hover,
.page-products .prod-env-link:focus-visible {
  color: var(--flag-red-deep);
  border-bottom-color: var(--flag-red-deep);
}

.page-products .prod-env-figure {
  margin: 32px 0 0;
  border: var(--line);
  overflow: hidden;
}

.page-products .prod-env-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 衔接帮助中心 ---------- */
.page-products .prod-next {
  padding-block: 46px 64px;
}

.page-products .prod-next-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 32px 22px 34px;
  background: var(--navy);
  color: var(--paper);
  border: 1px solid var(--navy);
}

.page-products .prod-next-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--weave-flag);
  opacity: .55;
  pointer-events: none;
}

.page-products .prod-next-body,
.page-products .prod-next-actions {
  position: relative;
  z-index: 1;
}

.page-products .prod-next-panel .eyebrow {
  color: var(--gold);
}

.page-products .prod-next-title {
  margin: 12px 0 0;
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .prod-next-text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 239, 230, .88);
}

.page-products .prod-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.page-products .prod-next-btn {
  border: 1px solid rgba(244, 239, 230, .55);
  background: transparent;
  color: var(--paper);
  text-decoration: none;
  transition: background-color .22s ease, color .22s ease, border-color .22s ease;
}

.page-products .prod-next-btn:hover,
.page-products .prod-next-btn:focus-visible {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--navy);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .prod-next-panel {
    padding: 40px 36px 42px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-head-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
    padding-block: 48px 68px;
  }

  .page-products .prod-devices {
    padding-block: 64px 76px;
  }

  .page-products .device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 36px;
  }

  .page-products .device-card {
    padding: 26px 24px 24px;
  }

  .page-products .prod-versions {
    padding-block: 64px 76px;
  }

  .page-products .prod-tab {
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
    padding: 18px 20px;
  }

  .page-products .prod-panel {
    padding: 32px 28px 34px;
  }

  .page-products .prod-panel-lead {
    font-size: 21px;
  }

  .page-products .prod-sync {
    padding-block: 64px 76px;
  }

  .page-products .prod-sync-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .prod-env {
    padding-block: 64px 76px;
  }

  .page-products .prod-env-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 34px;
  }

  .page-products .prod-env-item {
    padding: 26px 22px;
  }

  .page-products .prod-env-figure {
    margin-top: 40px;
  }

  .page-products .prod-next {
    padding-block: 64px 88px;
  }

  .page-products .prod-next-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
    align-items: center;
    padding: 48px 44px;
  }

  .page-products .prod-next-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1100px) {
  .page-products .prod-head-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 64px;
  }

  .page-products .prod-tab-num {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .device-card,
  .page-products .device-card::after,
  .page-products .device-detail,
  .page-products .device-hint,
  .page-products .prod-tab,
  .page-products .prod-next-btn {
    transition: none;
  }
}