.page-products {
  --pp-gap: clamp(14px, 2.6vw, 22px);
  --pp-pad: clamp(18px, 3vw, 28px);
  --pp-band: clamp(30px, 5vw, 56px);
  display: block;
  position: relative;
  color: var(--warm);
  font-family: var(--sans);
  background:
    radial-gradient(760px 420px at 88% -6%, rgba(79, 227, 193, 0.1), transparent 62%),
    radial-gradient(640px 460px at 0% 38%, rgba(196, 111, 76, 0.1), transparent 60%);
  overflow-x: clip;
}

.page-products h1.display--xl {
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}

.page-products h2.display {
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.16;
  margin: 8px 0 0;
}

.page-products .prose {
  color: rgba(246, 241, 231, 0.86);
  margin-top: 14px;
}

/* ---------- 面包屑 ---------- */
.page-products .pp-crumbs {
  padding-block: clamp(14px, 3vw, 24px) 0;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding-block: clamp(16px, 3vw, 26px) clamp(34px, 5vw, 60px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(227, 211, 180, 0.16) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

.page-products .pp-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .pp-hero__copy .lede {
  margin-top: 14px;
  color: rgba(246, 241, 231, 0.86);
  max-width: 38em;
}

.page-products .pp-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--stone);
}

.page-products .pp-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.page-products .pp-facts .mono {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pp-hero__stage {
  position: relative;
}

.page-products .pp-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--r-lg);
}

.page-products .pp-hero__price {
  position: relative;
  z-index: 2;
  margin-top: 16px;
  padding: var(--pp-pad);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 107, 44, 0.42);
  background: linear-gradient(150deg, rgba(27, 63, 53, 0.96), rgba(11, 36, 31, 0.98));
  box-shadow: var(--shadow-3);
}

.page-products .pp-hero__price-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-products .pp-hero__price-value {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 42px);
  line-height: 1;
  color: var(--orange);
}

.page-products .pp-hero__price-value span {
  font-size: 14px;
  font-weight: 500;
  color: var(--warm);
  letter-spacing: 0.04em;
}

.page-products .pp-hero__price-note {
  margin: 10px 0 0;
  font-size: 13px;
  color: rgba(246, 241, 231, 0.72);
}

/* ---------- 版本对照台 ---------- */
.page-products .pp-board {
  padding-block: var(--pp-band);
}

.page-products .pp-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .pp-head__note {
  margin: 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .pp-head__note .mono {
  font-family: var(--mono);
  color: var(--cyan);
  font-weight: 700;
}

.page-products .tier-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-products .tier-switch .chip[aria-pressed="true"] {
  border-color: rgba(79, 227, 193, 0.7);
  box-shadow: var(--glow);
  color: var(--warm);
}

.page-products .tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: var(--pp-gap);
}

.page-products .tier-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--pp-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(27, 63, 53, 0.74), rgba(11, 36, 31, 0.92));
  box-shadow: var(--shadow-2);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-products .tier-board:has([data-tier="basic"][aria-pressed="true"]) .tier-card--basic,
.page-products .tier-board:has([data-tier="pro"][aria-pressed="true"]) .tier-card--pro,
.page-products .tier-board:has([data-tier="cmd"][aria-pressed="true"]) .tier-card--cmd {
  border-color: rgba(227, 211, 180, 0.55);
  box-shadow: var(--shadow-3), inset 0 0 0 1px rgba(79, 227, 193, 0.3);
  transform: translateY(-4px);
}

.page-products .tier-card__tag {
  position: absolute;
  top: 14px;
  right: 14px;
  margin: 0;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--sage);
}

.page-products .tier-card__name {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .tier-card__price {
  margin: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(28px, 5.4vw, 40px);
  line-height: 1;
  color: var(--orange);
}

.page-products .tier-card__price span {
  font-size: 13px;
  font-weight: 500;
  color: rgba(246, 241, 231, 0.7);
}

.page-products .tier-card__devices {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  color: rgba(246, 241, 231, 0.78);
}

.page-products .tier-card__devices .mono {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--cyan);
}

.page-products .tier-card__more {
  flex: 1 1 auto;
}

.page-products .tier-card__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

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

.page-products .tier-card__summary::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s var(--ease);
}

.page-products .tier-card__more:not([open]) .tier-card__summary::after {
  transform: rotate(-45deg);
}

.page-products .tier-card__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .tier-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(246, 241, 231, 0.86);
}

.page-products .tick {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  border-radius: 50%;
  background: rgba(79, 227, 193, 0.16);
}

.page-products .tick::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

.page-products .tier-card__link {
  margin-top: 6px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  align-self: flex-start;
  border-bottom: 1px solid rgba(79, 227, 193, 0.35);
  padding-bottom: 2px;
}

.page-products .tier-card__link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 筛选 ---------- */
.page-products .pp-filter {
  padding-block: var(--pp-band);
}

.page-products .pp-filter__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 38px);
  margin-top: clamp(20px, 3.5vw, 30px);
}

.page-products .pp-conds {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-cond {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 2px 14px;
  padding-block: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-cond:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-cond__num {
  grid-row: span 2;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--clay);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-products .pp-cond__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--warm);
}

.page-products .pp-cond__text {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(246, 241, 231, 0.74);
}

.page-products .pp-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px dashed rgba(79, 227, 193, 0.35);
  background: rgba(20, 49, 42, 0.6);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.82);
}

.page-products .pp-filter__image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
}

/* ---------- 更新节奏 ---------- */
.page-products .pp-update {
  padding-block: var(--pp-band);
}

.page-products .pp-band {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 49, 42, 0.86), rgba(11, 36, 31, 0.96));
  box-shadow: var(--shadow-3);
}

.page-products .pp-band__media {
  margin: 0;
}

.page-products .pp-band__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pp-band__body {
  padding: var(--pp-pad);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pp-band__list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .pp-band__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: rgba(246, 241, 231, 0.8);
  padding-left: 14px;
  position: relative;
}

.page-products .pp-band__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-products .pp-band__list .mono {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--orange);
}

/* ---------- 设备 ---------- */
.page-products .pp-devices {
  padding-block: var(--pp-band);
}

.page-products .pp-devices__media {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

.page-products .pp-devices__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
}

.page-products .pp-specs {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: var(--pp-gap);
}

.page-products .pp-spec {
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(20, 49, 42, 0.55);
}

.page-products .pp-spec__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sage);
}

.page-products .pp-spec__value {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(246, 241, 231, 0.9);
}

/* ---------- 四步流程 ---------- */
.page-products .pp-steps-sec {
  padding-block: var(--pp-band);
}

.page-products .pp-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 12px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-products .pp-steps__rail {
  display: none;
}

.page-products .pp-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.page-products .pp-step__dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(79, 227, 193, 0.55);
  background: rgba(20, 49, 42, 0.9);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--cyan);
  box-shadow: 0 0 0 6px rgba(79, 227, 193, 0.06);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .pp-step:hover .pp-step__dot,
.page-products .pp-step:focus-visible .pp-step__dot {
  transform: translateY(-4px);
  box-shadow: 0 0 0 8px rgba(79, 227, 193, 0.12);
}

.page-products .pp-step__name {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: rgba(246, 241, 231, 0.86);
  text-align: center;
}

.page-products .pp-step-details {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(24px, 4vw, 34px);
}

.page-products .pp-step-detail {
  padding: 18px 20px;
  border-radius: var(--r-md);
  border-left: 2px solid rgba(79, 227, 193, 0.5);
  background: linear-gradient(120deg, rgba(27, 63, 53, 0.6), rgba(11, 36, 31, 0.5));
  scroll-margin-top: 90px;
}

.page-products .pp-step-detail__title {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--warm);
}

.page-products .pp-step-detail__title .mono {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-products .pp-step-detail__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.76);
}

/* ---------- 按人群 ---------- */
.page-products .pp-audience {
  padding-block: var(--pp-band);
}

.page-products .pp-audience__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3.5vw, 30px);
}

.page-products .pp-audience-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--pp-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(27, 63, 53, 0.7), rgba(11, 36, 31, 0.92));
  box-shadow: var(--shadow-2);
}

.page-products .pp-audience-card__media {
  margin: 0 0 6px;
}

.page-products .pp-audience-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-md);
}

.page-products .pp-audience-card__tag {
  margin: 0;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--cyan);
}

.page-products .pp-audience-card:nth-child(2) .pp-audience-card__tag {
  background: var(--sand);
}

.page-products .pp-audience-card:nth-child(3) .pp-audience-card__tag {
  background: var(--clay);
  color: var(--warm);
}

.page-products .pp-audience-card__title {
  margin: 4px 0 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}

.page-products .pp-audience-card__price {
  margin: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(22px, 4vw, 30px);
  color: var(--orange);
  line-height: 1.1;
}

.page-products .pp-audience-card__price span {
  font-size: 12px;
  font-weight: 500;
  color: rgba(246, 241, 231, 0.68);
}

.page-products .pp-audience-card__text {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.78);
}

/* ---------- 收尾 ---------- */
.page-products .pp-next {
  padding-block: clamp(30px, 5vw, 60px) clamp(40px, 6vw, 72px);
}

.page-products .pp-next__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: clamp(22px, 4vw, 36px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(227, 211, 180, 0.24);
  background: linear-gradient(140deg, rgba(27, 63, 53, 0.85), rgba(8, 28, 24, 0.95));
  box-shadow: var(--shadow-3);
}

.page-products .pp-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .pp-specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

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

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

  .page-products .pp-next__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .pp-filter__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .pp-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .pp-band__body {
    justify-content: center;
    padding: clamp(24px, 3.5vw, 42px);
  }

  .page-products .pp-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .page-products .pp-head__note {
    text-align: right;
    max-width: 34em;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .pp-hero__price {
    position: absolute;
    left: -20px;
    bottom: -26px;
    width: min(330px, 82%);
    margin: 0;
  }

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

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

  .page-products .pp-audience__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pp-steps {
    padding-inline: 6%;
  }

  .page-products .pp-steps__rail {
    display: block;
    position: absolute;
    top: 22px;
    left: 0;
    width: 100%;
    height: 4px;
  }

  .page-products .pp-steps__rail-line {
    stroke: var(--cyan);
    stroke-width: 2;
    stroke-dasharray: 12 10;
    opacity: 0.5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tier-card,
  .page-products .pp-step__dot {
    transition: none;
  }

  .page-products .tier-board:has([data-tier="basic"][aria-pressed="true"]) .tier-card--basic,
  .page-products .tier-board:has([data-tier="pro"][aria-pressed="true"]) .tier-card--pro,
  .page-products .tier-board:has([data-tier="cmd"][aria-pressed="true"]) .tier-card--cmd,
  .page-products .pp-step:hover .pp-step__dot,
  .page-products .pp-step:focus-visible .pp-step__dot {
    transform: none;
  }
}
<<<END>>>