.page-products {
  --pf-gap: clamp(16px, 3vw, 28px);
  --pf-pad: clamp(44px, 7vw, 92px);
  font-family: var(--font-sans);
  background: var(--snow);
  color: var(--ink);
  overflow-x: hidden;
}

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

/* 面包屑 */
.page-products .pf-crumb {
  margin-bottom: clamp(22px, 4vw, 44px);
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.page-products .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  color: rgba(245, 248, 250, 0.6);
}

.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin: 0 8px;
  color: rgba(245, 248, 250, 0.32);
}

.page-products .breadcrumb-item a {
  color: rgba(245, 248, 250, 0.82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .breadcrumb-item a:hover,
.page-products .breadcrumb-item a:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--coral-500);
}

/* 首屏 */
.page-products .pf-hero {
  position: relative;
  padding: clamp(20px, 4vw, 36px) 0 var(--pf-pad);
  background: var(--blue-900);
  color: var(--snow);
  overflow: hidden;
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(199, 213, 222, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 213, 222, 0.07) 1px, transparent 1px);
  background-size: clamp(90px, 18vw, 200px) 100%, 100% clamp(90px, 18vw, 200px);
  pointer-events: none;
}

.page-products .pf-hero-inner {
  position: relative;
  z-index: 1;
}

.page-products .pf-hero-grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-products .pf-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--coral-500);
}

.page-products h1 {
  margin: 0 0 20px;
  max-width: 17ch;
  font-size: clamp(1.85rem, 7vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-products .pf-lede {
  margin: 0 0 clamp(24px, 4vw, 32px);
  max-width: 40ch;
  font-size: clamp(0.95rem, 2.2vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(245, 248, 250, 0.78);
}

.page-products .pf-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-hero-actions .btn {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pf-hero-actions .btn-solid {
  background: var(--coral-500);
  border-color: var(--coral-500);
  color: var(--blue-900);
}

.page-products .pf-hero-actions .btn-solid:hover,
.page-products .pf-hero-actions .btn-solid:focus-visible {
  background: var(--coral-200);
  border-color: var(--coral-200);
}

.page-products .pf-hero-actions .btn-outline {
  background: transparent;
  border-color: rgba(245, 248, 250, 0.42);
  color: var(--snow);
}

.page-products .pf-hero-actions .btn-outline:hover,
.page-products .pf-hero-actions .btn-outline:focus-visible {
  border-color: var(--coral-500);
  color: var(--coral-200);
}

.page-products .pf-hero-side {
  padding-top: 18px;
  border-top: 1px solid rgba(199, 213, 222, 0.28);
}

.page-products .pf-side-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: rgba(245, 248, 250, 0.48);
}

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

.page-products .pf-jump a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  font-size: 0.9375rem;
  color: rgba(245, 248, 250, 0.8);
  text-decoration: none;
  border-bottom: 1px solid rgba(199, 213, 222, 0.16);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pf-jump .mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--coral-500);
}

.page-products .pf-jump a:hover,
.page-products .pf-jump a:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--coral-500);
}

.page-products .pf-jump a.is-active {
  color: var(--coral-200);
  border-bottom-color: var(--coral-500);
}

/* 章节 */
.page-products .pf-section {
  position: relative;
  padding: var(--pf-pad) 0;
}

.page-products .pf-section--ice {
  background: var(--ice);
}

.page-products .pf-section--blue {
  background: var(--blue-900);
  color: var(--snow);
}

.page-products .pf-shead {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-products .pf-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--coral-500);
}

.page-products .pf-h2 {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 4.4vw, 2.35rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-products .pf-deck {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .pf-section--blue .pf-deck {
  color: rgba(245, 248, 250, 0.74);
}

.page-products .pf-section--blue .pf-num {
  color: var(--coral-200);
}

/* 卡片墙 */
.page-products .pf-wall {
  display: grid;
  gap: var(--pf-gap);
}

.page-products .pf-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(16px, 2.4vw, 26px);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pf-card:hover,
.page-products .pf-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--coral-500);
}

.page-products .pf-card--pick {
  background: var(--ice);
}

.page-products .pf-card-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--red-600);
}

.page-products .pf-card h3 {
  margin: 0;
  font-size: clamp(1.1rem, 2.6vw, 1.35rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-products .pf-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .pf-shot {
  overflow: hidden;
  background: var(--blue-700);
  border: 1px solid var(--line);
}

.page-products .pf-shot--phone img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.page-products .pf-shot--doc img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pf-card-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 3px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--blue-900);
  text-decoration: none;
  border-bottom: 1px solid var(--coral-500);
  transition: color var(--dur) var(--ease);
}

.page-products .pf-card-link:hover,
.page-products .pf-card-link:focus-visible {
  color: var(--coral-500);
}

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

.page-products .pf-pick-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .pf-pick-list span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--coral-500);
  padding-top: 3px;
}

/* 安卓端 */
.page-products .pf-stats {
  display: grid;
  gap: 1px;
  margin-bottom: clamp(24px, 4vw, 40px);
  background: rgba(199, 213, 222, 0.32);
  border: 1px solid rgba(199, 213, 222, 0.32);
}

.page-products .pf-stat {
  padding: clamp(18px, 3vw, 30px);
  background: var(--blue-700);
}

.page-products .pf-stat b {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--coral-500);
}

.page-products .pf-stat span {
  display: block;
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(245, 248, 250, 0.74);
}

.page-products .pf-note-grid {
  display: grid;
  gap: clamp(16px, 3vw, 28px);
}

.page-products .pf-body {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(245, 248, 250, 0.76);
}

/* 版本节奏 */
.page-products .pf-doc-wrap {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pf-doclist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-docrow {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-docrow .mono {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--blue-400);
  transition: color var(--dur) var(--ease);
}

.page-products .pf-docrow:hover .mono {
  color: var(--coral-500);
}

.page-products .pf-docrow h3 {
  margin: 0 0 5px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .pf-docrow p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pf-aside {
  padding: clamp(20px, 3vw, 30px);
  background: var(--blue-900);
  color: var(--snow);
}

.page-products .pf-aside-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 9vw, 4.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--coral-500);
}

.page-products .pf-aside-label {
  margin: 16px 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(245, 248, 250, 0.82);
}

.page-products .pf-aside-foot {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(199, 213, 222, 0.24);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(245, 248, 250, 0.62);
}

/* 目录矩阵 */
.page-products .pf-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 44px);
  padding: 0;
}

.page-products .pf-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 92px;
  padding: 13px 12px 14px;
  background: #fff;
  border: 1px solid var(--line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pf-cell strong {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .pf-cell span {
  margin-top: auto;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--slate);
  transition: color var(--dur) var(--ease);
}

.page-products .pf-cell:nth-child(6n + 1) {
  border-left: 2px solid var(--coral-500);
}

.page-products .pf-cell:hover,
.page-products .pf-cell:focus-within {
  background: var(--blue-900);
  border-color: var(--blue-900);
  color: var(--snow);
}

.page-products .pf-cell:hover span,
.page-products .pf-cell:focus-within span {
  color: var(--coral-200);
}

.page-products .pf-catalog-foot {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-products .pf-catalog-text h3 {
  margin: 0 0 12px;
  font-size: clamp(1.05rem, 2.6vw, 1.25rem);
  font-weight: 700;
  line-height: 1.35;
}

.page-products .pf-catalog-text p {
  margin: 0 0 12px;
  max-width: 46ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--slate);
}

/* 图 */
.page-products .pf-figure {
  margin: 0;
}

.page-products .pf-figure img {
  width: 100%;
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-products .pf-figure--flat img {
  aspect-ratio: 5 / 3;
}

.page-products .pf-figure--tall img {
  aspect-ratio: 4 / 3;
}

.page-products .pf-figure figcaption {
  margin-top: 10px;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--slate);
}

.page-products .pf-section--blue .pf-figure figcaption {
  color: rgba(245, 248, 250, 0.6);
}

.page-products .pf-section--blue .pf-figure img {
  border-color: rgba(199, 213, 222, 0.28);
}

/* 路径对比 */
.page-products .pf-tabs {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-products .pf-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pf-tab {
  min-height: 44px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--blue-900);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pf-tab:hover,
.page-products .pf-tab:focus-visible {
  border-color: var(--coral-500);
}

.page-products .pf-tab.is-active,
.page-products .pf-tab[aria-selected="true"] {
  background: var(--blue-900);
  border-color: var(--blue-900);
  color: var(--snow);
}

.page-products .pf-panel {
  margin-bottom: 10px;
  padding: clamp(16px, 3vw, 26px);
  background: #fff;
  border: 1px solid var(--line);
  border-left: 2px solid var(--coral-500);
}

.page-products .pf-panel h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
}

.page-products .pf-panel p {
  margin: 0 0 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pf-path {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pf-path li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  background: var(--snow);
  border: 1px solid var(--line);
  font-size: 0.875rem;
  font-weight: 700;
}

.page-products .pf-path .mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--blue-400);
}

.page-products .pf-path--hot li {
  background: var(--coral-200);
  border-color: var(--coral-500);
}

.page-products .pf-path--hot .mono {
  color: var(--red-600);
}

.page-products .pf-reading-grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-products .pf-reading-text h3 {
  margin: 0 0 12px;
  font-size: clamp(1.05rem, 2.6vw, 1.25rem);
  font-weight: 700;
  line-height: 1.35;
}

.page-products .pf-reading-text p {
  margin: 0 0 12px;
  max-width: 46ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--slate);
}

/* 起步 */
.page-products .pf-steps {
  display: grid;
  gap: 1px;
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 0;
  background: rgba(199, 213, 222, 0.28);
  border: 1px solid rgba(199, 213, 222, 0.28);
}

.page-products .pf-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: start;
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--blue-700);
}

.page-products .pf-step .mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--coral-500);
}

.page-products .pf-step h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--snow);
}

.page-products .pf-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(245, 248, 250, 0.74);
}

.page-products .pf-start-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
}

.page-products .pf-start-links a {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--coral-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 69, 0.5);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pf-start-links a:hover,
.page-products .pf-start-links a:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--snow);
}

.page-products .pf-start-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-products .pf-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pf-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .pf-wall {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pf-card--phone {
    grid-column: 1 / span 4;
    grid-row: span 2;
  }

  .page-products .pf-card--doc {
    grid-column: 5 / span 8;
  }

  .page-products .pf-card--pick {
    grid-column: 5 / span 8;
  }

  .page-products .pf-doc-wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .pf-catalog-foot {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-products .pf-reading-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

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

@media (min-width: 900px) {
  .page-products .pf-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: end;
  }

  .page-products .pf-start-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .pf-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-card,
  .page-products .pf-cell,
  .page-products .pf-docrow .mono,
  .page-products .pf-jump a,
  .page-products .pf-tab {
    transition-duration: 1ms;
  }

  .page-products .pf-card:hover,
  .page-products .pf-card:focus-within {
    transform: none;
  }
}
<<<END>>>