.page-products {
  --pp-coral-ink: #C0432A;
  --pp-stage: radial-gradient(115% 85% at 82% -6%, rgba(141, 107, 255, .32), rgba(54, 241, 227, .10) 44%, rgba(6, 17, 31, 0) 68%);
  --pp-sheen: linear-gradient(135deg, rgba(54, 241, 227, .16), rgba(141, 107, 255, .16) 58%, rgba(255, 122, 89, .12));
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-products .meta {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-products .ex-hero {
  position: relative;
  padding: clamp(18px, 3.5vw, 34px) 0 clamp(34px, 6vw, 66px);
}

.page-products .ex-hero::before {
  content: "";
  position: absolute;
  inset: -18% -8% auto;
  height: 78%;
  background: var(--pp-stage);
  pointer-events: none;
  z-index: 0;
}

.page-products .ex-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-products .ex-hero__copy .display-1 {
  margin: 10px 0 18px;
  letter-spacing: -.03em;
  line-height: .98;
}

.page-products .ex-hero__copy .lead {
  max-width: 46ch;
  color: var(--text-soft);
}

.page-products .ex-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 16px;
}

.page-products .ex-hero__meta {
  font-size: 12.5px;
  color: var(--text-mute);
  border-left: 2px solid var(--line-strong);
  padding-left: 12px;
}

.page-products .ex-hero__device {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.page-products .phone {
  position: relative;
  width: min(268px, 72vw);
  padding: 10px;
  border-radius: 30px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, var(--ink-2), var(--ink-3));
  box-shadow: 0 26px 60px rgba(0, 0, 0, .55), 0 0 0 1px rgba(54, 241, 227, .1), 0 0 54px rgba(141, 107, 255, .28);
  transform: rotate(-3deg);
}

.page-products .phone__notch {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 5px;
  border-radius: 999px;
  background: rgba(234, 247, 255, .22);
  z-index: 2;
}

.page-products .phone__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  object-fit: cover;
}

.page-products .phone-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .phone-note {
  max-width: 34ch;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(11, 27, 46, .86);
  box-shadow: 0 12px 26px rgba(0, 0, 0, .35);
}

.page-products .phone-note__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-products .phone-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-soft);
}

/* ---------- 章节通用头 ---------- */
.page-products .sec-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-products .sec-head .h-sec {
  margin: 8px 0 12px;
}

/* ---------- 分类与检索 ---------- */
.page-products .ex-cats {
  border-top: 1px solid var(--line);
}

.page-products .ex-cats__lead,
.page-products .ex-member__lead {
  color: var(--text-soft);
  margin: 0;
}

.page-products .ex-cats__layout {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
}

.page-products .cat-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: cat;
}

.page-products .cat-item {
  position: relative;
  padding: 16px 16px 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(11, 27, 46, .92), rgba(8, 22, 37, .72));
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.page-products .cat-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 999px;
  background: var(--coral);
  opacity: .85;
}

.page-products .cat-item:nth-child(2n)::before { background: var(--violet); }
.page-products .cat-item:nth-child(3n)::before { background: var(--cyan); }

.page-products .cat-item:hover,
.page-products .cat-item:focus-within {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .38);
}

.page-products .cat-item__name {
  margin: 0 0 6px;
  font-size: var(--step-1);
  letter-spacing: -.01em;
}

.page-products .cat-item__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-products .ex-search {
  align-self: start;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: radial-gradient(120% 100% at 100% 0%, rgba(54, 241, 227, .12), rgba(11, 27, 46, .9) 58%);
}

.page-products .ex-search__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .ex-search__field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--cyan);
  background: rgba(6, 17, 31, .85);
  color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(54, 241, 227, .13), 0 0 26px rgba(54, 241, 227, .18);
}

.page-products .ex-search__icon {
  flex: none;
}

.page-products .ex-search__text {
  font-size: 14px;
  color: var(--paper-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .ex-search__caret {
  width: 2px;
  height: 16px;
  background: var(--cyan);
  animation: pp-caret 1.4s steps(1, end) infinite;
}

@keyframes pp-caret {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.page-products .ex-search__hint {
  margin: 16px 0 14px;
  padding: 0 0 0 18px;
  list-style: none;
}

.page-products .ex-search__hint li {
  position: relative;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 10px;
}

.page-products .ex-search__hint li::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
}

.page-products .ex-search__meta {
  font-size: 12px;
  color: var(--text-mute);
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* ---------- 账户中心 ---------- */
.page-products .acct-sheet {
  padding: clamp(20px, 4vw, 44px);
  border-radius: var(--radius);
  background: linear-gradient(178deg, var(--paper), #DCD1BC);
  color: var(--deep);
  border: 1px solid rgba(17, 24, 32, .16);
  box-shadow: 0 24px 54px rgba(0, 0, 0, .48);
}

.page-products .acct-sheet__eyebrow {
  color: var(--pp-coral-ink);
}

.page-products .acct-sheet__title {
  margin: 8px 0 12px;
  color: var(--deep);
  letter-spacing: -.02em;
}

.page-products .acct-sheet__lead {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 58ch;
  color: rgba(17, 24, 32, .74);
  line-height: 1.7;
}

.page-products .acct-grid {
  display: grid;
  gap: 14px;
}

.page-products .acct-col {
  padding: 18px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .5);
  border: 1px solid rgba(17, 24, 32, .12);
  border-top: 3px solid var(--pp-coral-ink);
}

.page-products .acct-col:nth-child(2) { border-top-color: #6E4ED6; }
.page-products .acct-col:nth-child(3) { border-top-color: #0F8F86; }

.page-products .acct-col__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: rgba(17, 24, 32, .55);
  margin-bottom: 6px;
}

.page-products .acct-col__title {
  margin: 0 0 8px;
  font-size: var(--step-1);
  color: var(--deep);
}

.page-products .acct-col__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(17, 24, 32, .76);
}

.page-products .acct-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-products .acct-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.page-products .acct-figure .media__caption {
  color: rgba(17, 24, 32, .62);
}

/* ---------- 折叠面板 ---------- */
.page-products .fold {
  margin-top: 18px;
  border: 1px solid rgba(17, 24, 32, .16);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .42);
  overflow: hidden;
}

.page-products .fold__summary {
  cursor: pointer;
  padding: 14px 16px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--deep);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .fold__summary::-webkit-details-marker { display: none; }

.page-products .fold__summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--pp-coral-ink);
  font-size: 16px;
  line-height: 1;
}

.page-products .fold[open] .fold__summary::before { content: "–"; }

.page-products .fold__body {
  padding: 0 16px 16px;
  border-top: 1px solid rgba(17, 24, 32, .1);
}

.page-products .fold__body p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(17, 24, 32, .78);
}

/* ---------- 电脑端 ---------- */
.page-products .ex-desk {
  position: relative;
  border-top: 1px solid var(--line);
}

.page-products .ex-desk__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-products .ex-desk__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .ex-desk__list li {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(11, 27, 46, .78);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .ex-desk__list strong {
  display: block;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: .06em;
  margin-bottom: 4px;
}

.page-products .ex-desk__meta {
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--text-mute);
}

.page-products .ex-desk__media {
  margin: 0;
  position: relative;
  clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
}

.page-products .ex-desk__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.02);
}

.page-products .ex-desk__media .media__caption {
  padding: 12px 14px 16px;
  color: var(--text-mute);
  font-size: 12.5px;
}

/* ---------- 会员服务 ---------- */
.page-products .ex-member {
  border-top: 1px solid var(--line);
}

.page-products .ex-member__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
}

.page-products .ex-member__stage {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--pp-sheen);
}

.page-products .ex-member__stage .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .tier-list {
  display: grid;
  gap: 14px;
}

.page-products .tier {
  position: relative;
  padding: 20px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(11, 27, 46, .95), rgba(8, 22, 37, .78));
  border-left: 3px solid var(--cyan);
}

.page-products .tier--violet { border-left-color: var(--violet); }
.page-products .tier--gold { border-left-color: var(--gold); }

.page-products .tier__name {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--paper-white);
}

.page-products .tier__text {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products .tier__foot {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-mute);
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

/* ---------- 版本时间轴 ---------- */
.page-products .ex-ver {
  border-top: 1px solid var(--line);
}

.page-products .ex-ver__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 82%);
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 12px;
  -webkit-overflow-scrolling: touch;
}

.page-products .ver-node {
  scroll-snap-align: start;
  padding: 18px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  border-top: 2px solid var(--violet);
  background: rgba(11, 27, 46, .82);
}

.page-products .ver-node--now {
  border-top-color: var(--coral);
  background: linear-gradient(165deg, rgba(255, 122, 89, .16), rgba(11, 27, 46, .92) 62%);
}

.page-products .ver-node__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: -.02em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-products .ver-node--now .ver-node__no { color: var(--coral); }

.page-products .ver-node__title {
  margin: 0 0 8px;
  font-size: var(--step-1);
  letter-spacing: -.01em;
}

.page-products .ver-node__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-mute);
}

.page-products .fold--rail {
  margin-top: 14px;
  background: rgba(6, 17, 31, .6);
  border-color: var(--line);
}

.page-products .fold--rail .fold__summary {
  color: var(--paper-white);
  font-size: 13.5px;
  padding: 10px 12px;
}

.page-products .fold--rail .fold__summary::before { color: var(--coral); }

.page-products .fold--rail .fold__body {
  border-top-color: var(--line);
  padding: 0 12px 12px;
}

.page-products .fold--rail .fold__body p {
  color: var(--text-soft);
  font-size: 13.5px;
}

.page-products .ex-ver__foot {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-products .ex-ver__figure {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-products .ex-ver__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .ex-ver__figure .media__caption {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-mute);
}

.page-products .ex-ver__note {
  padding: 20px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: radial-gradient(130% 110% at 0 0, rgba(141, 107, 255, .2), rgba(11, 27, 46, .9) 60%);
}

.page-products .ex-ver__note-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-products .ex-ver__note .prose {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 路径索引 ---------- */
.page-products .ex-paths {
  border-top: 1px solid var(--line);
}

.page-products .path-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  border-top: 3px solid var(--coral);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.page-products .path-card:nth-child(2) { border-top-color: var(--cyan); }
.page-products .path-card:nth-child(3) { border-top-color: var(--violet); }
.page-products .path-card:nth-child(4) { border-top-color: var(--gold); }

.page-products .path-card:hover,
.page-products .path-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(54, 241, 227, .07);
}

.page-products .path-card .card__foot {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

@media (min-width: 760px) {
  .page-products .cat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .ex-ver__foot {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .ex-ver__rail {
    grid-auto-columns: minmax(220px, 1fr);
    gap: 18px;
    padding-bottom: 18px;
  }
}

@media (min-width: 960px) {
  .page-products .ex-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-products .phone {
    width: min(300px, 26vw);
    transform: rotate(-4deg);
  }

  .page-products .ex-hero__device {
    gap: 14px;
  }

  .page-products .phone-note {
    transform: translateX(10px) rotate(1.5deg);
  }

  .page-products .ex-cats__layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .ex-search {
    position: sticky;
    top: 96px;
  }

  .page-products .ex-desk__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  }

  .page-products .ex-member__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.3fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ex-search__caret {
    animation: none;
    opacity: 1;
  }

  .page-products .cat-item,
  .page-products .path-card,
  .page-products .fold__summary {
    transition: none;
  }
}
<<<END>>>