/* ===== 版本与下载页 ===== */
.page-products {
  --pp-pad: clamp(52px, 8.5vw, 104px);
  --pp-track: rgba(46, 90, 107, .06);
  background: var(--paper);
  color: var(--t-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products [hidden] {
  display: none !important;
}

.page-products .pp-link {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 1px;
}

.page-products .pp-link:hover {
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  background: var(--ink);
  color: var(--t-fog);
  padding: calc(var(--hdr-h) + 36px) 0 100px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -25%;
  right: -14%;
  width: 62%;
  height: 150%;
  background: linear-gradient(148deg, rgba(46, 90, 107, .62), transparent 64%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero__crumbs {
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-products .pp-hero .crumbs__link {
  color: var(--t-mute);
  text-decoration: none;
}

.page-products .pp-hero .crumbs__link:hover {
  color: var(--lime);
}

.page-products .pp-hero .crumbs__item[aria-current="page"],
.page-products .pp-hero .crumbs__sep {
  color: var(--t-faint);
}

.page-products .pp-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(36px, 8.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: #fff;
  max-width: 14em;
}

.page-products .pp-hero__lede {
  margin: 20px 0 0;
  max-width: 44em;
  color: var(--t-mute);
}

.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
  margin-top: clamp(30px, 5vw, 48px);
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
}

.page-products .pp-stat__num {
  display: inline-block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 44px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--lime);
}

.page-products .pp-stat__unit {
  margin-left: 4px;
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-products .pp-stat__label {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--t-faint);
}

.page-products .pp-hero__actions {
  margin-top: 32px;
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-sec {
  position: relative;
  padding: var(--pp-pad) 0;
}

.page-products .pp-sec--paper { background: var(--paper); }
.page-products .pp-sec--sand { background: var(--sand); }
.page-products .pp-sec--dark { background: var(--ink-2); color: var(--t-fog); }
.page-products .pp-sec--deep { background: var(--ink); color: var(--t-fog); }

.page-products .pp-head {
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .pp-head--tight {
  margin-bottom: 20px;
}

.page-products .pp-head .title-2 {
  margin: 10px 0 0;
}

.page-products .pp-head__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--t-mute-ink);
}

.page-products .pp-sec--dark .pp-head__note,
.page-products .pp-sec--deep .pp-head__note {
  color: var(--t-mute);
}

.page-products .pp-sec--dark .title-2,
.page-products .pp-sec--deep .title-2,
.page-products .pp-sec--dark .title-3,
.page-products .pp-sec--deep .title-3 {
  color: #fff;
}

/* ---------- 配图 ---------- */
.page-products .pp-figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-products .pp-figure--after {
  margin: clamp(30px, 5vw, 52px) 0 0;
}

.page-products .pp-figure--tight {
  margin-bottom: 22px;
}

.page-products .pp-figure--band {
  margin-bottom: clamp(30px, 5vw, 52px);
}

.page-products .pp-figure .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 版本对照表 ---------- */
.page-products .pp-cmp {
  border: 1px solid var(--line-ink);
  background: var(--sand);
  border-radius: var(--r);
  overflow: hidden;
}

.page-products .pp-cmp__scroller {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-cmp__inner {
  min-width: 720px;
}

.page-products .pp-cmp__row {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr) minmax(0, 1fr) 84px;
  align-items: center;
  gap: 10px 18px;
  padding: 15px 18px;
  font-size: 14px;
  line-height: 1.6;
  background: var(--sand);
}

.page-products .pp-cmp__row--head {
  background: var(--teal);
  color: var(--t-fog);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding-top: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--sand-line);
}

.page-products .pp-cmp__item {
  border-bottom: 1px solid var(--sand-line);
}

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

.page-products .pp-cmp__key {
  font-weight: 700;
  color: var(--t-ink);
  letter-spacing: .02em;
}

.page-products .pp-cmp__val {
  color: var(--t-mute-ink);
}

.page-products .pp-cmp__btn {
  justify-self: end;
  font: inherit;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--teal);
  background: transparent;
  border: 1px solid var(--sand-line);
  border-radius: var(--r);
  padding: 6px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--step-s) var(--ease), color var(--step-s) var(--ease);
}

.page-products .pp-cmp__btn:hover {
  border-color: var(--teal);
}

.page-products .pp-cmp__btn[aria-expanded="true"] {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--t-fog);
}

.page-products .pp-cmp__btn:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-products .pp-cmp__detail {
  padding: 15px 18px 18px;
  background: var(--pp-track);
  font-size: 14px;
  line-height: 1.75;
  color: var(--t-mute-ink);
}

.page-products .pp-cmp__detail p {
  margin: 0;
}

/* ---------- 最新一版 ---------- */
.page-products .pp-android__main {
  min-width: 0;
}

.page-products .pp-android__sub {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.2;
}

.page-products .pp-android__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--t-mute);
  max-width: 40em;
}

.page-products .pp-android__aside {
  min-width: 0;
  margin-top: 30px;
}

.page-products .pp-size {
  display: grid;
  gap: 20px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.page-products .pp-size__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 6px 14px;
}

.page-products .pp-size__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--t-mute);
}

.page-products .pp-size__val {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--lime);
}

.page-products .pp-bar {
  grid-column: 1 / -1;
  display: block;
  height: 6px;
  background: rgba(227, 237, 240, .12);
  overflow: hidden;
}

.page-products .pp-bar__fill {
  display: block;
  height: 100%;
  background: var(--teal-lt);
}

.page-products .pp-bar__fill--full { width: 100%; }
.page-products .pp-bar__fill--sm { width: 13%; }

.page-products .pp-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-products .pp-kpi {
  background: var(--ink-2);
  padding: 18px 16px;
}

.page-products .pp-kpi__num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 32px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--lime);
}

.page-products .pp-kpi__unit {
  margin-left: 3px;
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--lime);
}

.page-products .pp-kpi__label {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--t-faint);
}

/* ---------- 安装步骤 ---------- */
.page-products .pp-install > .seg {
  margin-bottom: 30px;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 30px;
}

.page-products .pp-steps__item {
  position: relative;
  padding-top: 26px;
}

.page-products .pp-steps__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--sand-line);
}

.page-products .pp-steps__item::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--teal);
}

.page-products .pp-steps__idx {
  display: block;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-products .pp-steps__title {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 3.2vw, 23px);
  line-height: 1.25;
  color: var(--t-ink);
}

.page-products .pp-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--t-mute-ink);
}

.page-products .pp-install__hint {
  margin: 34px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--lime);
  font-size: 14px;
  line-height: 1.75;
  color: var(--t-mute-ink);
}

/* ---------- 机型适配 ---------- */
.page-products .pp-devsw > .seg {
  margin-bottom: 24px;
}

.page-products .pp-devpanel__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.2;
  color: var(--t-ink);
}

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

.page-products .pp-devpanel__item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--t-mute-ink);
}

.page-products .pp-devpanel__item::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 9px;
  background: var(--teal);
}

/* ---------- 历史版本 ---------- */
.page-products .pp-hist {
  margin-top: 6px;
}

.page-products .pp-hist__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: #fff;
}

.page-products .pp-hist__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--t-mute);
}

.page-products .pp-hist__toggle {
  font: inherit;
  font-size: 13px;
  letter-spacing: .04em;
  padding: 7px 13px;
  background: transparent;
  color: var(--teal-lt);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  cursor: pointer;
  transition: color var(--step-s) var(--ease), border-color var(--step-s) var(--ease);
}

.page-products .pp-hist__toggle:hover,
.page-products .pp-hist__toggle[aria-expanded="true"] {
  color: var(--lime);
  border-color: var(--lime);
}

.page-products .pp-hist__toggle:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-products .pp-hist__detail {
  margin-top: 14px;
  padding: 14px 16px;
  background: rgba(46, 90, 107, .3);
  border-left: 2px solid var(--lime);
  font-size: 14px;
  line-height: 1.75;
  color: var(--t-mute);
}

.page-products .pp-hist__detail p {
  margin: 0;
}

/* ---------- 更新节奏 ---------- */
.page-products .pp-cadence {
  display: grid;
  gap: 1px;
  background: var(--sand-line);
  border: 1px solid var(--sand-line);
}

.page-products .pp-cadence__item {
  background: var(--paper);
  padding: 26px 22px;
}

.page-products .pp-cadence__num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(46px, 9vw, 72px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--teal);
}

.page-products .pp-cadence__unit {
  margin-left: 6px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-products .pp-cadence__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--t-mute-ink);
}

.page-products .pp-cadence__foot {
  margin: 30px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--t-mute-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

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

  .page-products .pp-figure--tight {
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding-bottom: 130px;
  }

  .page-products .pp-android__aside {
    margin-top: 0;
    padding-left: clamp(20px, 3vw, 46px);
  }

  .page-products .pp-head {
    max-width: 640px;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-cmp__inner {
    min-width: 0;
  }

  .page-products .pp-cmp__row {
    padding: 17px 24px;
    grid-template-columns: 148px minmax(0, 1fr) minmax(0, 1fr) 92px;
    gap: 12px 24px;
  }

  .page-products .pp-cmp__row--head {
    padding-top: 13px;
    padding-bottom: 13px;
  }

  .page-products .pp-cmp__detail {
    padding: 16px 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-cmp__btn,
  .page-products .pp-hist__toggle {
    transition-duration: 100ms;
  }
}