.page-products {
  --pp-paper-ink: #12100F;
  --pp-paper-muted: #5C534B;
  --pp-gap: clamp(20px, 3vw, 40px);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
}

.page-products .breadcrumb {
  margin-bottom: 22px;
}

.page-products .pp-hero {
  padding-top: clamp(28px, 5vw, 64px);
}

.page-products .pp-hero h1 {
  margin-top: 14px;
  font-size: clamp(2.3rem, 8.2vw, 5.6rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-products .pp-lede {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--ash);
}

.page-products .pp-lede--tight {
  margin-top: clamp(22px, 3vw, 34px);
  font-size: 1rem;
}

/* ---------- 分段切换 ---------- */
.page-products .pp-tabs {
  margin-top: clamp(28px, 4vw, 46px);
}

.page-products .pp-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .pp-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
}

.page-products .pp-tabs__label {
  flex: 1 1 150px;
  padding: 15px 14px;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--ash);
  cursor: pointer;
  border-right: 1px solid var(--line);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .pp-tabs__label:last-child {
  border-right: 0;
}

.page-products .pp-tabs__label:hover {
  color: var(--paper);
  background: var(--ink-2);
}

.page-products .pp-tabs > input:nth-of-type(1):checked ~ .pp-tabs__bar > .pp-tabs__label:nth-child(1),
.page-products .pp-tabs > input:nth-of-type(2):checked ~ .pp-tabs__bar > .pp-tabs__label:nth-child(2),
.page-products .pp-tabs > input:nth-of-type(3):checked ~ .pp-tabs__bar > .pp-tabs__label:nth-child(3) {
  background: var(--lava);
  color: var(--ink);
}

.page-products .pp-tabs > input:nth-of-type(1):focus-visible ~ .pp-tabs__bar > .pp-tabs__label:nth-child(1),
.page-products .pp-tabs > input:nth-of-type(2):focus-visible ~ .pp-tabs__bar > .pp-tabs__label:nth-child(2),
.page-products .pp-tabs > input:nth-of-type(3):focus-visible ~ .pp-tabs__bar > .pp-tabs__label:nth-child(3) {
  outline: 2px solid var(--sky);
  outline-offset: -4px;
}

.page-products .pp-tabs__panels {
  border: 1px solid var(--line);
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--ink-2);
}

.page-products .pp-panel {
  display: none;
  gap: var(--pp-gap);
  padding: clamp(18px, 3vw, 34px);
  grid-template-columns: 1fr;
}

.page-products .pp-tabs > input:nth-of-type(1):checked ~ .pp-tabs__panels > .pp-panel:nth-child(1),
.page-products .pp-tabs > input:nth-of-type(2):checked ~ .pp-tabs__panels > .pp-panel:nth-child(2),
.page-products .pp-tabs > input:nth-of-type(3):checked ~ .pp-tabs__panels > .pp-panel:nth-child(3) {
  display: grid;
}

.page-products .pp-panel__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-3);
  overflow: hidden;
}

.page-products .pp-panel__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-products .pp-panel__body h3 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pp-panel__body p {
  margin: 12px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ash);
}

/* ---------- 区块通用 ---------- */
.page-products .pp-head {
  max-width: 40em;
}

.page-products .pp-head h2 {
  margin-top: 10px;
  font-size: clamp(1.75rem, 5vw, 3.1rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-products .pp-sub {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ash);
}

.page-products .pp-split {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 3.5vw, 44px);
}

.page-products .pp-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-3);
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-products .pp-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.page-products .pp-body h3 {
  font-size: 1.125rem;
  font-weight: 800;
}

.page-products .pp-body h3:not(:first-child) {
  margin-top: 26px;
}

.page-products .pp-body p {
  margin: 8px 0 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ash);
}

.page-products .pp-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ash);
}

.page-products .pp-list li {
  position: relative;
  padding-left: 18px;
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--lava);
}

/* ---------- 安卓分区底色 ---------- */
.page-products .pp-and {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- 对比表 ---------- */
.page-products .pp-compare__grid {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 3.5vw, 44px);
}

.page-products .pp-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-2);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-products .pp-table caption {
  caption-side: top;
  padding: 12px 16px;
  text-align: left;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-table thead th {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ash);
  background: var(--ink-3);
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  font-weight: 800;
  color: var(--paper);
  white-space: nowrap;
  background: var(--ink-2);
  border-right: 1px solid var(--line);
}

.page-products .pp-table tbody td {
  color: var(--ash);
}

.page-products .pp-table tbody tr:hover th,
.page-products .pp-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.045);
}

/* ---------- 五步（浅色翻页区） ---------- */
.page-products .pp-steps {
  background: var(--paper);
  color: var(--pp-paper-ink);
}

.page-products .pp-steps .pp-head h2 {
  color: var(--pp-paper-ink);
}

.page-products .pp-steps .pp-sub {
  color: var(--pp-paper-muted);
}

.page-products .pp-steps .eyebrow {
  color: var(--lava);
}

.page-products .pp-steps__grid {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 3.5vw, 44px);
}

.page-products .pp-steps .pp-figure {
  background: #E7E0D6;
  border-color: rgba(18, 16, 15, 0.18);
}

.page-products .pp-steps .pp-figure figcaption {
  border-top-color: rgba(18, 16, 15, 0.18);
  color: var(--pp-paper-muted);
}

.page-products .pp-steplist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(18, 16, 15, 0.16);
}

.page-products .pp-step:first-child {
  border-top: 1px solid rgba(18, 16, 15, 0.16);
}

.page-products .pp-step__n {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lava);
  padding-top: 3px;
}

.page-products .pp-step h3 {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--pp-paper-ink);
}

.page-products .pp-step p {
  margin: 7px 0 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--pp-paper-muted);
}

/* ---------- 版本时间线 ---------- */
.page-products .pp-tl {
  margin: clamp(24px, 3.5vw, 44px) 0 0;
  padding: 0 0 14px;
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(215px, 76%);
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-tl__item {
  scroll-snap-align: start;
  padding: 18px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--lava);
  border-radius: var(--radius);
}

.page-products .pp-tl__ver {
  display: inline-block;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--lava);
}

.page-products .pp-tl__item h3 {
  margin-top: 8px;
  font-size: 1.0625rem;
  font-weight: 800;
}

.page-products .pp-tl__item ul {
  margin: 10px 0 0;
  padding-left: 1.1em;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ash);
}

.page-products .pp-tl__item li {
  margin-top: 4px;
}

/* ---------- 延伸链接 ---------- */
.page-products .pp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-products .pp-links a {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  font-size: 0.875rem;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .pp-links a:hover,
.page-products .pp-links a:focus-visible {
  border-color: var(--lava);
  color: var(--ember);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-products .pp-panel {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-products .pp-split {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
  }

  .page-products .pp-steps__grid {
    grid-template-columns: 0.62fr 1.38fr;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-products .pp-compare__grid {
    grid-template-columns: 1.42fr 1fr;
    align-items: start;
  }

  .page-products .pp-tl {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-products .pp-step {
    padding: 22px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-tabs__label,
  .page-products .pp-links a {
    transition: none;
  }
}