.page-products {
  --pr-pad-block: clamp(44px, 6vw, 88px);
  --pr-sec-gap: clamp(52px, 7vw, 100px);
  --pr-card-line: rgba(214, 168, 90, 0.24);
  --pr-grid-line: rgba(138, 150, 163, 0.10);
  background: var(--bg);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(110% 80% at 84% 6%, rgba(56, 225, 214, 0.10), transparent 58%),
    radial-gradient(90% 70% at 4% 0%, rgba(214, 168, 90, 0.13), transparent 62%);
  pointer-events: none;
}
.page-products .pr-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--pr-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pr-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.75;
  pointer-events: none;
}
.page-products .pr-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  align-items: center;
  padding-block: clamp(28px, 4vw, 52px) var(--pr-pad-block);
}
.page-products .pr-hero__coord {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  padding-left: 16px;
  position: relative;
}
.page-products .pr-hero__coord::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--gold);
}
.page-products .pr-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(38px, 6.4vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ivory);
}
.page-products .pr-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--text-dim);
}
.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-products .pr-hero__stats {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: clamp(20px, 3vw, 28px) 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 22px;
}
.page-products .pr-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-products .pr-hero__num {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  color: var(--gold-bright);
  letter-spacing: 0.02em;
  line-height: 1;
}
.page-products .pr-hero__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}
.page-products .pr-hero__figure {
  margin: 0;
}
.page-products .pr-hero__frame {
  position: relative;
  padding: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--bg-raised), var(--bg-inset));
}
.page-products .pr-hero__frame::before,
.page-products .pr-hero__frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--gold);
  pointer-events: none;
}
.page-products .pr-hero__frame::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
}
.page-products .pr-hero__frame::after {
  right: -2px;
  bottom: -2px;
  border-left: 0;
  border-top: 0;
}
.page-products .pr-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.03);
}
.page-products .pr-hero__cap {
  margin: 12px 0 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

/* ---------- 主体骨架与侧边索引 ---------- */
.page-products .pr-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4vw, 56px);
  padding-bottom: clamp(56px, 8vw, 110px);
}
.page-products .pr-index {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.page-products .pr-index__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-products .pr-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 12px;
}
.page-products .pr-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  text-decoration: none;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.5;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .pr-index__list a .mono {
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.08em;
}
.page-products .pr-index__list a:hover,
.page-products .pr-index__list a:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--line-strong);
}
.page-products .pr-index__list a[aria-current] {
  color: var(--ivory);
}
.page-products .pr-index__list a[aria-current] .mono {
  color: var(--cyan);
}
.page-products .pr-index__foot {
  margin: 18px 0 0;
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  color: var(--slate);
  border-left: 2px solid var(--copper);
  padding-left: 10px;
}

/* ---------- 章节通用 ---------- */
.page-products .pr-sec + .pr-sec {
  margin-top: var(--pr-sec-gap);
}
.page-products .pr-sec__head {
  margin-bottom: clamp(24px, 3.4vw, 40px);
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  position: relative;
}
.page-products .pr-sec__head::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 68px;
  height: 1px;
  background: var(--gold);
}
.page-products .pr-sec__coord {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--copper);
}
.page-products .pr-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--ivory);
}
.page-products .pr-sec__intro {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 三档权益 ---------- */
.page-products .pr-tiers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.page-products .pr-tier {
  position: relative;
  padding: 26px 22px 24px;
  border: 1px solid var(--pr-card-line);
  background: linear-gradient(170deg, var(--bg-raised) 0%, var(--ink-900) 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .pr-tier::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  opacity: 0.7;
  transition: opacity var(--dur) var(--ease);
}
.page-products .pr-tier:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.9);
}
.page-products .pr-tier:hover::after {
  opacity: 1;
}
.page-products .pr-tier--core {
  border-color: rgba(56, 225, 214, 0.34);
  background: linear-gradient(170deg, var(--ink-700) 0%, var(--ink-900) 100%);
}
.page-products .pr-tier--core::after {
  border-color: var(--cyan);
  opacity: 1;
}
.page-products .pr-tier__tab {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--gold);
  border: 1px solid var(--pr-card-line);
  padding: 3px 9px;
  margin-bottom: 16px;
}
.page-products .pr-tier--core .pr-tier__tab {
  color: var(--cyan);
  border-color: rgba(56, 225, 214, 0.4);
}
.page-products .pr-tier__name {
  margin: 0 0 6px;
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ivory);
}
.page-products .pr-tier__sub {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}
.page-products .pr-tier__text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-products .pr-tier__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-products .pr-tier__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ivory);
}
.page-products .pr-tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}
.page-products .pr-tier--core .pr-tier__list li::before {
  background: var(--cyan);
}
.page-products .pr-tier__fit {
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .pr-tier__fit .mono {
  color: var(--copper);
  letter-spacing: 0.14em;
  margin-right: 8px;
}

/* ---------- 会员中心四模块 ---------- */
.page-products .pr-modules {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-products .pr-module {
  padding: 24px 22px;
  background: var(--bg-inset);
  border-left: 2px solid var(--line-strong);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .pr-module:hover {
  background: var(--bg-raised);
  border-left-color: var(--cyan);
}
.page-products .pr-module__idx {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.page-products .pr-module__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ivory);
  letter-spacing: 0.02em;
}
.page-products .pr-module__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 个人面板 ---------- */
.page-products .pr-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  align-items: center;
}
.page-products .pr-panel__media {
  margin: 0;
}
.page-products .pr-panel__frame {
  position: relative;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
}
.page-products .pr-panel__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.page-products .pr-panel__copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-dim);
}
.page-products .pr-panel__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}
.page-products .pr-panel__list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--ivory);
}
.page-products .pr-panel__list .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* ---------- 适配清单 ---------- */
.page-products .pr-fit {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-products .pr-fit__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .pr-fit__name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ivory);
  letter-spacing: 0.02em;
}
.page-products .pr-fit__gauge {
  position: relative;
  height: 8px;
  background:
    repeating-linear-gradient(
      to right,
      rgba(138, 150, 163, 0.28) 0 1px,
      transparent 1px 12px
    ),
    var(--bg-inset);
  border-bottom: 1px solid rgba(138, 150, 163, 0.22);
  overflow: hidden;
}
.page-products .pr-fit__gauge span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 100%;
  background: linear-gradient(90deg, rgba(214, 168, 90, 0.85), rgba(56, 225, 214, 0.9));
  transform-origin: left center;
}
.page-products .pr-fit__state {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}
.page-products .pr-fit__media {
  margin: clamp(24px, 3vw, 36px) 0 0;
}
.page-products .pr-fit__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--line-soft);
}

/* ---------- 更新节奏 ---------- */
.page-products .pr-sync {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}
.page-products .pr-sync__copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-dim);
}
.page-products .pr-sync__copy .link-arrow {
  display: inline-block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--cyan);
}
.page-products .pr-clock {
  padding: 26px 24px;
  background:
    linear-gradient(150deg, rgba(19, 42, 66, 0.95), rgba(7, 17, 31, 0.98));
  border: 1px solid var(--line);
  position: relative;
}
.page-products .pr-clock::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  width: 40px;
  height: 2px;
  background: var(--cyan);
}
.page-products .pr-clock__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
  text-transform: uppercase;
}
.page-products .pr-clock__date {
  margin: 0 0 20px;
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold-bright);
}
.page-products .pr-clock__meta {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 10px;
}
.page-products .pr-clock__meta li {
  display: flex;
  gap: 14px;
  font-size: 13.5px;
  color: var(--ivory);
}
.page-products .pr-clock__meta .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper);
  min-width: 40px;
}
.page-products .pr-sync__media {
  margin: clamp(24px, 3vw, 36px) 0 0;
}
.page-products .pr-sync__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-soft);
}

/* ---------- 开通路线 ---------- */
.page-products .pr-start {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}
.page-products .pr-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}
.page-products .pr-step {
  position: relative;
  padding: 0 0 26px 34px;
  border-left: 1px solid var(--line);
}
.page-products .pr-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}
.page-products .pr-step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}
.page-products .pr-step__idx {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper);
}
.page-products .pr-step__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ivory);
}
.page-products .pr-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-products .pr-start__note {
  padding: 20px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
}
.page-products .pr-start__media {
  margin: 0 0 18px;
}
.page-products .pr-start__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-products .pr-start__note-title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--gold-bright);
}
.page-products .pr-start__text {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 常见问题 ---------- */
.page-products .pr-faq {
  border-top: 1px solid var(--line);
}
.page-products .pr-faq__item {
  border-bottom: 1px solid var(--line-soft);
}
.page-products .pr-faq__item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 18px 42px 18px 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ivory);
  transition: color var(--dur) var(--ease);
}
.page-products .pr-faq__item summary::-webkit-details-marker {
  display: none;
}
.page-products .pr-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
}
.page-products .pr-faq__item[open] summary {
  color: var(--gold-bright);
}
.page-products .pr-faq__item[open] summary::after {
  content: "–";
  color: var(--cyan);
}
.page-products .pr-faq__item summary:hover {
  color: var(--gold-bright);
}
.page-products .pr-faq__item summary:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 4px;
}
.page-products .pr-faq__item p {
  margin: 0 0 20px;
  padding-right: 20px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 结尾行动区 ---------- */
.page-products .pr-cta {
  margin-top: var(--pr-sec-gap);
  padding: clamp(28px, 4vw, 46px) clamp(22px, 4vw, 48px);
  background:
    linear-gradient(120deg, rgba(19, 42, 66, 0.96), rgba(7, 17, 31, 0.98) 62%),
    var(--bg-raised);
  border: 1px solid var(--line);
  position: relative;
}
.page-products .pr-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--cyan));
}
.page-products .pr-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ivory);
}
.page-products .pr-cta__text {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dim);
}
.page-products .pr-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 760px) {
  .page-products .pr-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pr-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-products .pr-modules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-products .pr-module:first-child {
    grid-column: span 3;
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr);
    align-items: center;
    column-gap: 28px;
    padding: 30px 28px;
  }
  .page-products .pr-module:first-child .pr-module__idx {
    margin: 0;
    font-size: 13px;
  }
  .page-products .pr-module:first-child .pr-module__title {
    margin-bottom: 8px;
  }
  .page-products .pr-fit__row {
    grid-template-columns: 132px minmax(0, 1fr) 220px;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
  }
  .page-products .pr-fit__state {
    text-align: right;
  }
  .page-products .pr-panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
  .page-products .pr-panel__media {
    margin-top: 28px;
  }
  .page-products .pr-sync {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-products .pr-start {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    padding-block: clamp(36px, 4vw, 60px) var(--pr-pad-block);
  }
}

@media (min-width: 1080px) {
  .page-products .pr-body {
    grid-template-columns: 178px minmax(0, 1fr);
    column-gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }
  .page-products .pr-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 4px;
    padding-left: 16px;
  }
  .page-products .pr-index__list {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .pr-index__foot {
    margin-top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-tier,
  .page-products .pr-module,
  .page-products .pr-index__list a,
  .page-products .pr-faq__item summary {
    transition: none;
  }
  .page-products .pr-tier:hover {
    transform: none;
  }
}
<<<END>>>