.page-products {
  --pp-sec: clamp(52px, 8vw, 104px);
  --pp-gap: clamp(30px, 5vw, 64px);
  --pp-line-paper: rgba(11, 27, 51, 0.22);
  background: var(--ink);
  color: var(--text);
}

.page-products .pp-head .crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-products .pp-intro {
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(38px, 6vw, 68px);
}

.page-products .pp-intro .display {
  margin: 14px 0 0;
  max-width: 18em;
  font-size: clamp(2.1rem, 5.6vw, 4.4rem);
  line-height: 1.08;
}

.page-products .pp-intro .lede {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 36em;
}

/* ---------- 顶部快速索引 ---------- */
.page-products .pp-quick {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-products .pp-quick li {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-quick a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 16px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.94rem;
  transition: background var(--t) ease, color var(--t) ease;
}

.page-products .pp-quick a:hover,
.page-products .pp-quick a:focus-visible {
  background: var(--ink-2);
  color: var(--hi);
}

.page-products .pp-quick__coord {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--signal);
}

/* ---------- 区块骨架 ---------- */
.page-products .pp-sec {
  padding: var(--pp-sec) 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-sec .section__head {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .section__head .lede {
  margin-top: 14px;
}

.page-products .pp-figure-band {
  padding: 0 0 clamp(46px, 7vw, 88px);
}

/* ---------- 图片基础 ---------- */
.page-products .figure {
  margin: 0;
}

.page-products .figure__media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-products .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .figure__cap {
  margin-top: 12px;
}

.page-products .pp-media--tall .figure__media {
  aspect-ratio: 3 / 4;
}

/* ---------- 三项功能图例 ---------- */
.page-products .pp-fnlist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-fn {
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-fn__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .pp-fn__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  flex: none;
}

.page-products .pp-fn__coord {
  color: var(--signal);
}

.page-products .pp-fn__time {
  margin-left: auto;
  color: var(--ochre);
  letter-spacing: 0.06em;
}

.page-products .pp-fn .h3 {
  margin: 0 0 10px;
  font-size: 1.22rem;
  color: var(--hi);
}

.page-products .pp-fn__desc {
  margin: 0;
  max-width: 32em;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 分屏 ---------- */
.page-products .pp-split__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-split__body .lede {
  margin-top: 16px;
}

/* ---------- 操作步骤 ---------- */
.page-products .pp-steps {
  list-style: none;
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-step__num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius);
}

.page-products .pp-step__title {
  margin: 3px 0 8px;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--hi);
}

.page-products .pp-step p {
  margin: 0;
  max-width: 32em;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 对照维度 ---------- */
.page-products .pp-dims {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-dim {
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-dim__key {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-products .pp-dim__key::before {
  content: "";
  width: 9px;
  height: 9px;
  flex: none;
  border: 1px solid var(--signal);
  border-radius: 50%;
  transition: background var(--t) ease;
}

.page-products .pp-dim:hover .pp-dim__key::before {
  background: var(--signal);
}

.page-products .pp-dim p {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--text);
}

.page-products .pp-kicker--ochre {
  color: var(--ochre);
}

.page-products .pp-kicker--ochre::before {
  background: var(--ochre);
}

/* ---------- 版本对照表 ---------- */
.page-products .pp-compare-fig {
  margin: 0 0 clamp(26px, 3.6vw, 40px);
}

.page-products .pp-viewctl {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .pp-compare {
  border-top: 1px solid var(--line);
}

.page-products .pp-compare .compare__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-compare .compare__dim {
  padding: 12px 14px;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .pp-compare .compare__old,
.page-products .pp-compare .compare__new {
  padding: 15px 14px;
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-products .pp-compare .compare__old {
  background: var(--paper);
  color: var(--ink);
  border-left: 1px dashed var(--pp-line-paper);
  transition: opacity var(--t) ease;
}

.page-products .pp-compare .compare__new {
  background: var(--ink-2);
  color: var(--text);
  border-left: 1px dashed var(--line-signal);
  transition: opacity var(--t) ease;
}

.page-products .pp-compare__head .compare__dim,
.page-products .pp-compare__head .compare__old,
.page-products .pp-compare__head .compare__new {
  padding-top: 12px;
  padding-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}

.page-products .pp-compare__head .compare__old {
  color: var(--ochre-deep);
  font-weight: 700;
}

.page-products .pp-compare__head .compare__new {
  color: var(--signal);
  font-weight: 700;
}

.page-products .pp-compare-block:has(.pp-view-old:not(:checked)) .pp-compare .compare__old {
  opacity: 0.3;
}

.page-products .pp-compare-block:has(.pp-view-new:not(:checked)) .pp-compare .compare__new {
  opacity: 0.3;
}

/* ---------- 版本节奏 ---------- */
.page-products .pp-version__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-version__body > p {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text);
}

.page-products .pp-version__fold {
  margin-top: clamp(26px, 3.6vw, 38px);
  border-top: 1px solid var(--line);
}

.page-products .pp-version__fold .fold {
  border-bottom: 1px solid var(--line-soft);
}

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

.page-products .pp-chart__grid line {
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 3 6;
}

.page-products .pp-chart__line {
  fill: none;
  stroke: var(--signal);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-products .pp-chart__nodes circle {
  fill: var(--ink);
  stroke: var(--signal);
  stroke-width: 2;
}

.page-products .pp-chart__nodes circle:first-of-type {
  fill: var(--signal);
}

.page-products .pp-chart text {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  fill: var(--muted);
}

.page-products .pp-chart .pp-chart__v {
  fill: var(--hi);
  font-size: 14px;
  font-weight: 700;
}

.page-products .pp-version__chart .figure__cap {
  margin-top: 14px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-fnlist {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(22px, 3vw, 44px);
  }
}

@media (min-width: 760px) {
  .page-products .pp-compare .compare__row {
    grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 5fr);
  }

  .page-products .pp-compare .compare__dim {
    padding: 16px 20px 16px 0;
    background: transparent;
  }

  .page-products .pp-compare .compare__old,
  .page-products .pp-compare .compare__new {
    padding: 16px 20px;
  }
}

@media (min-width: 920px) {
  .page-products .pp-split__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(44px, 6vw, 84px);
  }

  .page-products .pp-split--media-first .pp-split__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-products .pp-version__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(44px, 6vw, 84px);
  }

  .page-products .pp-split__media {
    position: sticky;
    top: 92px;
  }
}
<<<END>>>