.page-products {
  --pp-gap: clamp(18px, 3vw, 36px);
}

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

.page-products .chapter {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .chapter__index {
  margin: 0;
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--coral-500);
}

.page-products .chapter__title {
  margin: 0;
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-products .dl-hero__copy h1 {
  margin: 14px 0 18px;
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .dl-hero__copy .lede {
  max-width: 34em;
  color: var(--ink-700);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .dl-spec {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
  background: var(--ink-900);
  color: var(--sand);
  box-shadow: var(--shadow-soft);
}

.page-products .dl-spec__tex {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  pointer-events: none;
}

.page-products .dl-spec__body {
  position: relative;
  z-index: 1;
}

.page-products .dl-spec__kicker {
  margin: 0 0 6px;
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-100);
}

.page-products .dl-spec__ver {
  margin: 0 0 22px;
  font-size: clamp(34px, 6vw, 52px);
  font-weight: 700;
  line-height: 1;
  color: var(--coral-500);
}

.page-products .dl-spec__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .dl-spec__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .dl-spec__row dt {
  font-size: var(--fs-small);
  color: var(--mist-100);
}

.page-products .dl-spec__row dd {
  margin: 0;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--white);
}

.page-products .dl-spec__note {
  margin: 18px 0 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--mist-100);
}

/* ---------- 设备窗口 ---------- */
.page-products .device-window {
  position: relative;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 30px 60px -44px rgba(4, 26, 43, 0.7);
  overflow: hidden;
}

.page-products .device-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-products .device-window__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--ink-900);
  color: var(--mist-100);
  font-size: var(--fs-mono);
}

.page-products .device-window__dots {
  display: inline-flex;
  gap: 5px;
}

.page-products .device-window__dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral-500);
}

.page-products .device-window__dots i:nth-child(2) {
  background: var(--sand);
  opacity: 0.6;
}

.page-products .device-window__dots i:nth-child(3) {
  background: var(--palm-500);
}

.page-products .device-window__addr {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 0.78;
}

.page-products .device-window__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--palm-500);
  white-space: nowrap;
}

.page-products .device-window__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--palm-500);
}

.page-products .device-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 6px 6px 0;
  background: var(--mist-100);
  border-bottom: 1px solid var(--line);
}

.page-products .device-tab {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 16px;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--ink-700);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
}

.page-products .device-tab .mono {
  color: var(--coral-500);
  font-size: var(--fs-mono);
}

.page-products #dev-download:checked ~ .device-tabs label[for="dev-download"],
.page-products #dev-open:checked ~ .device-tabs label[for="dev-open"],
.page-products #dev-switch:checked ~ .device-tabs label[for="dev-switch"] {
  background: var(--white);
  border-color: var(--line);
  color: var(--ink-900);
  box-shadow: inset 0 3px 0 var(--coral-500);
}

.page-products #dev-download:focus-visible ~ .device-tabs label[for="dev-download"],
.page-products #dev-open:focus-visible ~ .device-tabs label[for="dev-open"],
.page-products #dev-switch:focus-visible ~ .device-tabs label[for="dev-switch"] {
  outline: 2px solid var(--coral-500);
  outline-offset: 2px;
}

.page-products .device-panels {
  padding: clamp(18px, 3vw, 30px);
}

.page-products .device-panel {
  display: none;
}

.page-products #dev-download:checked ~ .device-panels #pane-download,
.page-products #dev-open:checked ~ .device-panels #pane-open,
.page-products #dev-switch:checked ~ .device-panels #pane-switch {
  display: block;
}

.page-products .pane-grid {
  display: grid;
  gap: 22px;
  align-items: start;
}

.page-products .pane-copy h3 {
  margin: 0 0 12px;
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .pane-copy p {
  margin: 0 0 12px;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--text);
}

.page-products .pane-copy p .mono {
  color: var(--coral-600);
  font-weight: 700;
}

.page-products .pane-copy__link {
  margin-top: 16px;
}

.page-products .pane-copy__link a {
  color: var(--ink-500);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--coral-200);
}

.page-products .pane-note {
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral-500);
  border-radius: var(--radius);
  background: var(--mist-100);
}

.page-products .pane-note--palm {
  border-left-color: var(--palm-500);
}

.page-products .pane-note__k {
  margin: 0 0 4px;
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  color: var(--ink-500);
}

.page-products .pane-note__v {
  margin: 0 0 10px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink-900);
}

.page-products .pane-note__t {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 图位 ---------- */
.page-products .pp-fig {
  margin: 0;
}

.page-products .pp-fig__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--mist-100);
  object-fit: cover;
}

.page-products .pp-fig--wide {
  margin-bottom: clamp(22px, 3vw, 34px);
}

/* ---------- 下载前确认 ---------- */
.page-products .check-grid {
  display: grid;
  gap: 18px;
}

.page-products .check {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral-500);
  border-radius: var(--radius);
}

.page-products .check__no {
  margin: 0 0 8px;
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--coral-500);
  line-height: 1;
}

.page-products .check h3 {
  margin: 0 0 10px;
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .check p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--text);
}

.page-products .check-note {
  margin: 22px 0 0;
  padding: 16px 20px;
  background: var(--coral-200);
  border-radius: var(--radius);
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--ink-700);
}

/* ---------- 两步打开 ---------- */
.page-products .steps-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-products .step__no {
  font-size: var(--fs-h4);
  font-weight: 700;
  line-height: 1.2;
  color: var(--coral-500);
}

.page-products .step__body h3 {
  margin: 0 0 6px;
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .step__body p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 换设备 ---------- */
.page-products .switch-grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-products .switch-copy p {
  margin: 0 0 16px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--text);
  max-width: 36em;
}

.page-products .switch-copy h3 {
  margin: 24px 0 0;
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .ticks {
  list-style: none;
  margin: 14px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .ticks li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--coral-500);
}

.page-products .switch-card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-products .switch-card__k {
  margin: 0 0 10px;
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--palm-500);
}

.page-products .switch-card h3 {
  margin: 0 0 12px;
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .switch-card p {
  margin: 0 0 20px;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 适配 ---------- */
.page-products .compat {
  position: relative;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .compat__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-products .compat__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .chip {
  padding: 8px 14px;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--ink-700);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.page-products #ct-all:checked ~ .compat__tabs label[for="ct-all"],
.page-products #ct-phone:checked ~ .compat__tabs label[for="ct-phone"],
.page-products #ct-tablet:checked ~ .compat__tabs label[for="ct-tablet"],
.page-products #ct-desktop:checked ~ .compat__tabs label[for="ct-desktop"],
.page-products #ct-screen:checked ~ .compat__tabs label[for="ct-screen"] {
  background: var(--ink-500);
  border-color: var(--ink-500);
  color: var(--white);
}

.page-products #ct-all:focus-visible ~ .compat__tabs label[for="ct-all"],
.page-products #ct-phone:focus-visible ~ .compat__tabs label[for="ct-phone"],
.page-products #ct-tablet:focus-visible ~ .compat__tabs label[for="ct-tablet"],
.page-products #ct-desktop:focus-visible ~ .compat__tabs label[for="ct-desktop"],
.page-products #ct-screen:focus-visible ~ .compat__tabs label[for="ct-screen"] {
  outline: 2px solid var(--coral-500);
  outline-offset: 2px;
}

.page-products .compat__notes {
  display: grid;
  gap: 12px;
}

.page-products .cnote {
  display: none;
  padding: 18px 20px;
  background: var(--mist-100);
  border-left: 3px solid var(--palm-500);
  border-radius: var(--radius-sm);
}

.page-products .cnote h3 {
  margin: 0 0 8px;
  font-size: var(--fs-small);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}

.page-products .cnote p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--text);
}

.page-products .compat:has(#ct-all:checked) .cnote,
.page-products .compat:has(#ct-phone:checked) .cnote--phone,
.page-products .compat:has(#ct-tablet:checked) .cnote--tablet,
.page-products .compat:has(#ct-desktop:checked) .cnote--desktop,
.page-products .compat:has(#ct-screen:checked) .cnote--screen {
  display: block;
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.page-products .pp-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

.page-products .pp-table__cap {
  padding: 12px 14px;
  text-align: left;
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  color: var(--ink-500);
  background: var(--white);
}

.page-products .pp-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-size: var(--fs-mono);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--mist-100);
  background: var(--ink-900);
}

.page-products .pp-table tbody th {
  padding: 14px;
  text-align: left;
  font-weight: 800;
  color: var(--ink-900);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-table td {
  padding: 14px;
  color: var(--text);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-table tbody tr:nth-child(even) th,
.page-products .pp-table tbody tr:nth-child(even) td {
  background: var(--mist-100);
}

.page-products .compat__footnote {
  margin: 16px 0 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--ink-700);
}

/* ---------- 数据带 ---------- */
.page-products .pp-band-section {
  padding-block: clamp(28px, 4vw, 44px);
}

.page-products .databand {
  display: grid;
  gap: 18px;
}

.page-products .databand__item {
  padding-left: 16px;
  border-left: 2px solid var(--coral-500);
}

.page-products .databand__key {
  margin: 0 0 4px;
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--mist-100);
  opacity: 0.8;
}

.page-products .databand__val {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
}

/* ---------- 版本记录 ---------- */
.page-products .vlist-intro {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .vlist-wrap {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.page-products .vlist-wrap__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  pointer-events: none;
}

.page-products .vlist {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .vlist__row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .vlist__row:last-child {
  border-bottom: 0;
}

.page-products .vlist__ver {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--coral-600);
}

.page-products .vlist__when {
  font-size: var(--fs-mono);
  color: var(--ink-500);
}

.page-products .vlist__what {
  margin: 0;
  grid-column: 1 / -1;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--text);
}

.page-products .vlist-more {
  margin: 20px 0 0;
  font-size: var(--fs-small);
}

.page-products .vlist-more a {
  color: var(--ink-500);
  font-weight: 700;
  border-bottom: 2px solid var(--coral-200);
  text-decoration: none;
}

/* ---------- 自查 ---------- */
.page-products .fix-grid {
  display: grid;
  gap: 16px;
}

.page-products .fix {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .fix__no {
  margin: 0 0 10px;
  font-size: var(--fs-h4);
  font-weight: 700;
  line-height: 1;
  color: var(--coral-500);
}

.page-products .fix h3 {
  margin: 0 0 10px;
  font-size: var(--fs-small);
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .fix p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--text);
}

.page-products .fix-more {
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--coral-200);
  border-radius: var(--radius);
}

.page-products .fix-more p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--ink-700);
}

.page-products .fix-more a {
  color: var(--ink-900);
  font-weight: 700;
  border-bottom: 2px solid var(--ink-500);
  text-decoration: none;
}

.page-products a:focus-visible {
  outline: 2px solid var(--coral-500);
  outline-offset: 2px;
}

@media (min-width: 760px) {
  .page-products .pane-grid {
    grid-template-columns: 1.1fr 1fr;
  }

  .page-products .check-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-products .databand {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .page-products .databand__item + .databand__item {
    border-left: 1px solid var(--line-soft);
    margin-left: 18px;
  }
}

@media (min-width: 860px) {
  .page-products .fix-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .steps-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .switch-grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-products .dl-hero {
    grid-template-columns: 7fr 5fr;
  }
}

@media (min-width: 780px) {
  .page-products .vlist__row {
    grid-template-columns: 88px 118px 1fr;
  }

  .page-products .vlist__what {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-spec,
  .page-products .check,
  .page-products .switch-card,
  .page-products .fix {
    transition: none;
  }
}
<<<END>>>