.page-products {
  --pf-line: rgba(20, 33, 30, .14);
  --pf-line-dark: rgba(198, 161, 91, .3);
  --pf-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.18;
  margin: 0;
}

.page-products h1 {
  font-size: clamp(2rem, 6.2vw, 3.4rem);
  margin-top: 10px;
}

.page-products h2 {
  font-size: clamp(1.55rem, 3.6vw, 2.4rem);
}

.page-products h3 {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.page-products p {
  margin: 0;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  padding-top: clamp(18px, 3vw, 36px);
  padding-bottom: clamp(12px, 2vw, 20px);
}

.page-products .pf-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-products .pf-hero__lead {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--ink-soft);
  max-width: 44ch;
}

.page-products .pf-hero__lead--muted {
  margin-top: 10px;
  font-size: .95rem;
  color: var(--ink-soft);
}

.page-products .pf-route {
  list-style: none;
  counter-reset: pf-route;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .pf-route li {
  counter-increment: pf-route;
  position: relative;
  padding: 7px 14px 7px 32px;
  border: 1px solid var(--stone-300);
  border-radius: 999px;
  background: var(--white);
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--ink-soft);
}

.page-products .pf-route li::before {
  content: counter(pf-route, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--gold-500);
}

.page-products .pf-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .pf-hero__panel {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  padding: clamp(18px, 3vw, 30px);
}

.page-products .pf-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  pointer-events: none;
}

.page-products .pf-hero__panel > .eyebrow,
.page-products .pf-cards {
  position: relative;
}

.page-products .pf-cards {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .pf-card {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--pf-line-dark);
  border-radius: 12px;
  background: rgba(13, 43, 36, .58);
  color: var(--paper);
  text-decoration: none;
  transition: transform .28s var(--ease), border-color .28s var(--ease), background-color .28s var(--ease);
}

.page-products .pf-card:hover,
.page-products .pf-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold-500);
  background: rgba(28, 81, 69, .72);
}

.page-products .pf-card__top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .pf-card__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber-400);
  box-shadow: 0 0 0 3px rgba(227, 168, 59, .18);
}

.page-products .pf-card__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-products .pf-card__name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
}

.page-products .pf-card__desc {
  font-size: .8rem;
  line-height: 1.6;
  color: var(--mist-200);
}

/* ---------- 通用章节头 ---------- */
.page-products .pf-sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-products .pf-sec-head .big-num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--gold-500);
}

.page-products .pf-sec-lead {
  margin-top: 12px;
  font-size: .95rem;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-products .pf-sec-head--dark .pf-sec-lead {
  color: var(--mist-200);
}

/* ---------- 场景 ---------- */
.page-products .pf-scenes {
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-products .pf-scenes__grid {
  display: grid;
  gap: 20px;
}

.page-products .pf-scene-figure {
  margin: 0;
  border-radius: var(--pf-radius);
  overflow: hidden;
  border: 1px solid var(--pf-line);
  background: var(--stone-300);
}

.page-products .pf-scene-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-scene-list {
  display: grid;
  gap: 12px;
}

.page-products .pf-scene {
  padding: 16px 18px 18px;
  border: 1px solid var(--pf-line);
  border-radius: 14px;
  background: var(--white);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-products .pf-scene:hover {
  border-color: var(--gold-500);
  transform: translateY(-2px);
}

.page-products .pf-scene h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.page-products .pf-scene__idx {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gold-500);
  letter-spacing: .1em;
}

.page-products .pf-scene__row {
  font-size: .88rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.page-products .pf-scene__row + .pf-scene__row {
  margin-top: 8px;
}

.page-products .pf-scene__row--gain {
  color: var(--ink);
}

.page-products .pf-scene__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--paper);
  border: 1px solid var(--stone-300);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--green-700);
  vertical-align: 1px;
}

.page-products .pf-scene__row--gain .pf-scene__tag {
  background: rgba(227, 168, 59, .14);
  border-color: rgba(227, 168, 59, .45);
  color: var(--wine-700);
}

/* ---------- 会员中心导航 ---------- */
.page-products .pf-navsec {
  padding: clamp(52px, 8vw, 100px) 0;
  background: var(--white);
}

.page-products .pf-navsec__grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-products .pf-index {
  padding: 16px 18px;
  border: 1px solid var(--pf-line);
  border-radius: 14px;
  background: var(--paper);
}

.page-products .pf-index__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pf-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 6px;
  border-radius: 8px;
  font-size: .88rem;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-products .pf-index__list a:hover,
.page-products .pf-index__list a:focus-visible {
  background: var(--white);
  color: var(--green-700);
}

.page-products .pf-index__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--gold-500);
}

.page-products .pf-index__note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--stone-300);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .pf-navsec__head {
  margin-bottom: 20px;
}

.page-products .pf-nav-figure {
  margin: 0 0 20px;
  border-radius: var(--pf-radius);
  overflow: hidden;
  border: 1px solid var(--pf-line);
  background: var(--stone-300);
}

.page-products .pf-nav-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-nav-figure figcaption {
  padding: 10px 14px;
  background: var(--paper);
  border-top: 1px solid var(--pf-line);
  font-size: .78rem;
  color: var(--ink-soft);
}

.page-products .pf-entry {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--pf-line);
  border-left: 3px solid var(--stone-300);
  border-radius: 14px;
  background: var(--white);
  scroll-margin-top: calc(var(--topbar-h) + 24px);
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-products .pf-entry + .pf-entry {
  margin-top: 14px;
}

.page-products .pf-entry:hover {
  border-left-color: var(--gold-500);
}

.page-products .pf-entry:target {
  border-left-color: var(--amber-400);
  box-shadow: 0 0 0 3px rgba(227, 168, 59, .16);
}

.page-products .pf-entry__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-products .pf-entry__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-products .pf-entry__meta {
  display: grid;
  gap: 14px;
  margin: 14px 0 0;
}

.page-products .pf-entry__meta dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--green-700);
}

.page-products .pf-entry__meta dd {
  margin: 5px 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- iOS 记录 ---------- */
.page-products .pf-ios {
  padding: clamp(52px, 8vw, 100px) 0 clamp(36px, 5vw, 56px);
  background: var(--teal-800);
  color: var(--paper);
}

.page-products .pf-ios__grid {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-products .pf-ios__lead {
  margin-top: 14px;
  font-size: .95rem;
  color: var(--mist-200);
  max-width: 52ch;
}

.page-products .pf-ios__steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pf-ios__steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--pf-line-dark);
  border-radius: 12px;
  background: rgba(13, 43, 36, .42);
  font-size: .9rem;
  line-height: 1.7;
}

.page-products .pf-ios__step-num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--amber-400);
  color: var(--green-900);
  font-family: var(--font-mono);
  font-size: .72rem;
}

.page-products .pf-ios__note {
  margin-top: 16px;
  padding-left: 12px;
  border-left: 2px solid var(--gold-500);
  font-size: .82rem;
  line-height: 1.75;
  color: var(--mist-200);
}

.page-products .pf-ios__figure {
  margin: 0;
  border-radius: var(--pf-radius);
  overflow: hidden;
  border: 1px solid var(--pf-line-dark);
  background: var(--green-900);
}

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

.page-products .pf-infobar {
  margin-top: clamp(26px, 4vw, 44px);
  padding: 14px 0;
  border-top: 1px solid var(--pf-line-dark);
  border-bottom: 1px solid var(--pf-line-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .02em;
  color: var(--mist-200);
}

.page-products .pf-infobar span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.page-products .pf-infobar span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber-400);
  flex: 0 0 auto;
}

/* ---------- V4 版本 ---------- */
.page-products .pf-v4 {
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-products .pf-v4__panel {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: var(--green-700);
  color: var(--paper);
  padding: clamp(22px, 4vw, 44px);
}

.page-products .pf-v4__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  pointer-events: none;
}

.page-products .pf-v4__content {
  position: relative;
}

.page-products .pf-v4__lead {
  margin-top: 14px;
  font-size: .95rem;
  color: var(--mist-200);
  max-width: 56ch;
}

.page-products .pf-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

.page-products .pf-stats {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pf-stat {
  padding: 16px 18px;
  border: 1px solid var(--pf-line-dark);
  border-radius: 12px;
  background: rgba(13, 43, 36, .4);
}

.page-products .pf-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--gold-500);
}

.page-products .pf-stat__label {
  display: block;
  margin-top: 8px;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--mist-200);
}

/* ---------- 流程 ---------- */
.page-products .pf-flow {
  padding: clamp(52px, 8vw, 100px) 0;
  background: var(--green-900);
  color: var(--paper);
}

.page-products .pf-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pf-step {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid var(--pf-line-dark);
}

.page-products .pf-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-500);
}

.page-products .pf-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--gold-500);
  margin-bottom: 8px;
}

.page-products .pf-step h3 {
  color: var(--paper);
}

.page-products .pf-step p {
  margin-top: 8px;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist-200);
}

.page-products .pf-support {
  display: grid;
  gap: 14px;
  margin-top: clamp(30px, 5vw, 52px);
}

.page-products .pf-support__item {
  padding: 18px 20px;
  border: 1px solid var(--pf-line-dark);
  border-radius: 14px;
  background: rgba(18, 59, 58, .5);
}

.page-products .pf-support__item h3 {
  color: var(--paper);
}

.page-products .pf-support__item p {
  margin-top: 8px;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist-200);
  word-break: break-word;
}

.page-products .pf-support__item strong {
  color: var(--gold-500);
  font-weight: 600;
}

/* ---------- 相关链接 ---------- */
.page-products .pf-links {
  padding: clamp(36px, 6vw, 72px) 0;
}

.page-products .pf-links__grid {
  display: grid;
  gap: 10px;
}

.page-products .pf-linkcard {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
  padding: 16px 18px;
  border: 1px solid var(--pf-line);
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  font-size: .9rem;
  text-decoration: none;
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}

.page-products .pf-linkcard:hover,
.page-products .pf-linkcard:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold-500);
}

.page-products .pf-linkcard__go {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--green-700);
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pf-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pf-cards > li:last-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 720px) {
  .page-products .pf-entry__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-products .pf-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pf-scenes__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .pf-scene-figure {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }
}

@media (min-width: 900px) {
  .page-products .pf-ios__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
  }

  .page-products .pf-sec-head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 22px;
  }

  .page-products .pf-sec-head .big-num {
    padding-top: 4px;
  }

  .page-products .pf-links__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-products .pf-navsec__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 48px;
  }

  .page-products .pf-index {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }
}

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

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