.page-products {
  --pd-rule: 2px solid var(--ink-900);
  --pd-hair: 1px solid var(--grid-300);
  --pd-shadow: 4px 4px 0 var(--ink-900);
  --pd-shadow-lg: 8px 8px 0 var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding: 1.5rem 0 1.75rem;
  border-bottom: var(--pd-rule);
}

.page-products .pd-kicker {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ice-deep);
}

.page-products .pd-hero h1 {
  margin: 0 0 1rem;
  max-width: 24ch;
  font-size: clamp(1.9rem, 5.4vw, 3.3rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-products .pd-lede {
  margin: 0 0 1.25rem;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .pd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-hero__meta li {
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--ink-900);
  background: var(--paper-200);
  font-family: var(--mono);
  font-size: 0.8125rem;
  white-space: nowrap;
}

/* ---------- 通用段落 ---------- */
.page-products .pd-sec {
  padding: 2.25rem 0 0.5rem;
}

.page-products .pd-intro {
  margin: 0 0 1.25rem;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .pd-note {
  margin: 1.25rem 0 0;
  padding-left: 0.9rem;
  border-left: 4px solid var(--field-green);
  max-width: 68ch;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .pd-banner {
  margin: 0 0 1.5rem;
}

/* ---------- 01 速查视图 ---------- */
.page-products .pd-views {
  display: grid;
  gap: 1px;
  border: var(--pd-rule);
  background: var(--grid-300);
}

.page-products .pd-view {
  padding: 1.25rem 1.15rem 1.4rem;
  background: var(--paper-50);
}

.page-products .pd-view--lead {
  background: var(--paper-200);
}

.page-products .pd-view__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  padding: 0 0.4rem;
  background: var(--sprint-orange);
  color: var(--ink-900);
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 700;
}

.page-products .pd-view__title {
  margin: 0 0 0.55rem;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pd-view p {
  margin: 0 0 0.85rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .pd-view__route {
  display: inline-block;
  padding-top: 0.5rem;
  border-top: var(--pd-hair);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ice-deep);
}

/* ---------- 02 阵容对照 ---------- */
.page-products .pd-lineup,
.page-products .pd-panel,
.page-products .pd-history,
.page-products .pd-android {
  display: grid;
  gap: 1.5rem;
}

.page-products .pd-steps {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  counter-reset: pdstep;
  border-top: var(--pd-hair);
}

.page-products .pd-steps li {
  counter-increment: pdstep;
  position: relative;
  padding: 0.85rem 0 0.85rem 2.6rem;
  border-bottom: var(--pd-hair);
}

.page-products .pd-steps li::before {
  content: counter(pdstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--paper-50);
  background: var(--field-green);
  padding: 0.15rem 0.35rem;
}

.page-products .pd-steps__t {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.page-products .pd-steps__d {
  display: block;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--ink-700);
}

.page-products .pd-mirror {
  border: var(--pd-rule);
  overflow: hidden;
}

.page-products .pd-mirror__head,
.page-products .pd-mrow {
  display: grid;
  grid-template-columns: minmax(66px, 0.7fr) 1fr 1fr;
}

.page-products .pd-mirror__head {
  background: var(--ink-900);
  color: var(--paper-50);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}

.page-products .pd-mirror__head span {
  padding: 0.6rem 0.65rem;
}

.page-products .pd-mrow {
  border-top: var(--pd-hair);
}

.page-products .pd-mrow__pos {
  padding: 0.75rem 0.65rem;
  background: var(--paper-200);
  border-right: var(--pd-hair);
  font-size: 0.8125rem;
  font-weight: 700;
}

.page-products .pd-mrow__cell {
  padding: 0.75rem 0.65rem;
  border-right: var(--pd-hair);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--ink-700);
  word-break: break-word;
  transition: background-color 0.12s var(--ease);
}

.page-products .pd-mrow__cell--post {
  border-right: 0;
  border-left: 3px solid var(--green-tint);
  background: #FBFDFB;
}

.page-products .pd-mrow:hover .pd-mrow__cell,
.page-products .pd-mrow:focus-within .pd-mrow__cell {
  background: var(--green-tint);
}

.page-products .pd-lineup__fig,
.page-products .pd-panel__fig,
.page-products .pd-history__fig,
.page-products .pd-android__fig {
  margin: 0;
}

/* ---------- 03 字段面板 ---------- */
.page-products .pd-acc {
  border-top: var(--pd-rule);
  margin-bottom: 1.25rem;
}

.page-products .pd-acc__item {
  border-bottom: var(--pd-hair);
}

.page-products .pd-acc__item summary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 0.25rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
  font-weight: 700;
}

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

.page-products .pd-acc__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--field-green);
}

.page-products .pd-acc__item[open] summary::after {
  content: "−";
  color: var(--orange-deep);
}

.page-products .pd-acc__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.85rem;
  height: 1.85rem;
  background: var(--ink-900);
  color: var(--paper-50);
  font-family: var(--mono);
  font-size: 0.8125rem;
}

.page-products .pd-acc__t {
  letter-spacing: -0.01em;
}

.page-products .pd-fields {
  display: grid;
  gap: 1px;
  margin: 0 0 1rem;
  padding: 1px;
  list-style: none;
  background: var(--grid-300);
}

.page-products .pd-fields li {
  padding: 0.55rem 0.75rem;
  background: var(--paper-50);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--ink-700);
}

.page-products .pd-fields li::before {
  content: "·";
  margin-right: 0.45rem;
  font-family: var(--mono);
  color: var(--field-green);
  font-weight: 700;
}

.page-products .pd-copyrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

/* ---------- 04 回查 ---------- */
.page-products .pd-ladder {
  display: grid;
  gap: 1.5rem;
  margin: 0 0 0.5rem;
  padding: 0;
  list-style: none;
  counter-reset: pdlad;
}

.page-products .pd-ladder li {
  counter-increment: pdlad;
  position: relative;
  padding-top: 2.6rem;
  border-top: var(--pd-rule);
}

.page-products .pd-ladder li::before {
  content: counter(pdlad, decimal-leading-zero);
  position: absolute;
  top: 0.55rem;
  left: 0;
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-900);
  border-bottom: 4px solid var(--sprint-orange);
  padding-bottom: 0.15rem;
}

.page-products .pd-ladder__t {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1rem;
  font-weight: 800;
}

.page-products .pd-ladder p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 05 更新节奏 ---------- */
.page-products .pd-cadence {
  display: grid;
  gap: 1px;
  margin-top: 0.5rem;
  border: var(--pd-rule);
  background: var(--grid-300);
}

.page-products .pd-cadence__item {
  padding: 1.25rem 1.15rem 1.35rem;
  background: var(--paper-50);
}

.page-products .pd-cadence__top {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.page-products .pd-cadence__num {
  font-family: var(--mono);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink-900);
}

.page-products .pd-cadence__unit {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ink-700);
}

.page-products .pd-cadence__item h3 {
  margin: 0.7rem 0 0.45rem;
  font-size: 0.9375rem;
  font-weight: 800;
}

.page-products .pd-cadence__item p {
  margin: 0 0 0.9rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--ink-700);
}

.page-products .pd-cadence__bar {
  display: block;
  height: 8px;
}

.page-products .pd-bar--green { background: var(--field-green); width: 62%; }
.page-products .pd-bar--orange { background: var(--sprint-orange); width: 38%; }
.page-products .pd-bar--ice { background: var(--ice-blue); width: 84%; }
.page-products .pd-bar--ink { background: var(--ink-900); width: 50%; }

/* ---------- 06 使用场景 ---------- */
.page-products .pd-scenes {
  display: grid;
  gap: 1.25rem;
  margin-top: 0.25rem;
}

.page-products .pd-scene {
  padding: 1.25rem 1.15rem 1.4rem;
  border: var(--pd-rule);
  background: var(--paper-50);
  box-shadow: var(--pd-shadow);
  transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease);
}

.page-products .pd-scene:nth-child(1) { border-top: 6px solid var(--field-green); }
.page-products .pd-scene:nth-child(2) { border-top: 6px solid var(--sprint-orange); }
.page-products .pd-scene:nth-child(3) { border-top: 6px solid var(--ice-blue); }
.page-products .pd-scene:nth-child(4) { border-top: 6px solid var(--ink-900); }

.page-products .pd-scene:hover,
.page-products .pd-scene:focus-within {
  transform: translate(-3px, -3px);
  box-shadow: var(--pd-shadow-lg);
}

.page-products .pd-scene__tag {
  display: inline-block;
  margin-bottom: 0.7rem;
  padding: 0.22rem 0.55rem;
  background: var(--ink-900);
  color: var(--paper-50);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}

.page-products .pd-scene h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 800;
}

.page-products .pd-scene p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 07 设备与入口 ---------- */
.page-products .pd-checks {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  border-top: var(--pd-hair);
}

.page-products .pd-checks li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.6rem;
  border-bottom: var(--pd-hair);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .pd-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--field-green);
}

.page-products .pd-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pd-fields {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pd-mirror__head,
  .page-products .pd-mrow {
    grid-template-columns: minmax(90px, 0.8fr) 1fr 1fr;
  }

  .page-products .pd-mrow__pos,
  .page-products .pd-mrow__cell,
  .page-products .pd-mirror__head span {
    padding: 0.8rem 0.9rem;
  }

  .page-products .pd-mrow__cell,
  .page-products .pd-mrow__pos {
    font-size: 0.875rem;
  }
}

@media (min-width: 720px) {
  .page-products .pd-cadence {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-products .pd-ladder {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 860px) {
  .page-products .pd-views {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .page-products .pd-view--wide {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 2fr;
    column-gap: 1.5rem;
    align-items: start;
  }

  .page-products .pd-view--wide .pd-view__num {
    grid-row: 1 / span 2;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-hero {
    padding-top: 2.25rem;
  }

  .page-products .pd-lineup {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
    align-items: start;
  }

  .page-products .pd-panel {
    grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-history {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
    align-items: start;
  }

  .page-products .pd-android {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .pd-cadence {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-scene,
  .page-products .pd-mrow__cell {
    transition: none;
  }

  .page-products .pd-scene:hover,
  .page-products .pd-scene:focus-within {
    transform: none;
  }
}