.page-products {
  --exp-rail: 236px;
  --exp-gap: clamp(22px, 4vw, 56px);
  --exp-card: var(--panel);
  background: var(--ink);
  color: var(--cold);
}

/* ---------- 首屏 ---------- */
.page-products .exp-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 6vw, 72px) clamp(38px, 7vw, 92px);
  background:
    radial-gradient(115% 85% at 86% 6%, rgba(212, 175, 55, .12), transparent 62%),
    linear-gradient(180deg, var(--ink-deep), var(--ink) 78%);
  border-bottom: 1px solid var(--line);
}
.page-products .exp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 76px);
  opacity: .5;
  pointer-events: none;
}
.page-products .exp-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}
.page-products .exp-hero__copy { min-width: 0; }
.page-products .exp-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--cold);
  margin: 12px 0 18px;
  max-width: 20ch;
}
.page-products .exp-hero__accent {
  display: block;
  color: var(--gold);
  font-size: .78em;
  margin-top: .35em;
  line-height: 1.25;
}
.page-products .exp-hero__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-veil);
  max-width: 40ch;
  margin: 0 0 24px;
}
.page-products .exp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.page-products .exp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .exp-stat {
  background: var(--ink-deep);
  padding: 14px 16px;
}
.page-products .exp-stat__label {
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--slate);
  margin-bottom: 6px;
}
.page-products .exp-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.page-products .exp-stat__num span {
  font-size: .6em;
  margin-left: 3px;
  color: var(--champagne);
}
.page-products .exp-hero__figure {
  margin: 0;
  justify-self: center;
  width: 100%;
  max-width: 330px;
  padding: 12px;
  background: var(--ink-deep);
  border: 1px solid var(--line-strong);
  position: relative;
}
.page-products .exp-hero__figure::before,
.page-products .exp-hero__figure::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 1px;
  background: var(--gold-line);
  top: -1px;
}
.page-products .exp-hero__figure::before { left: -1px; }
.page-products .exp-hero__figure::after { right: -1px; }
.page-products .exp-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}
.page-products .exp-hero__caption {
  margin-top: 10px;
  font-size: .75rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 布局：索引栏 + 内容 ---------- */
.page-products .exp-layout {
  display: grid;
  gap: var(--exp-gap);
  padding-block: clamp(24px, 5vw, 56px) clamp(40px, 7vw, 88px);
}
.page-products .exp-main { min-width: 0; }

.page-products .exp-rail {
  min-width: 0;
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
}
.page-products .exp-rail__title {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--slate);
  margin: 0 0 10px;
  transform: rotate(-2deg);
  transform-origin: left center;
}
.page-products .exp-rail__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-products .exp-rail__list > li { flex: 0 0 auto; }
.page-products .exp-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  color: var(--cold);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}
.page-products .exp-rail__index {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gold);
  transform: rotate(-2deg);
}
.page-products .exp-rail__label { font-size: .875rem; }
.page-products .exp-rail__link:hover,
.page-products .exp-rail__link:focus-visible {
  border-color: var(--gold);
  background: var(--gold-tint);
}
.page-products .exp-rail__link:focus-visible { outline: 2px solid var(--champagne); outline-offset: 2px; }

/* ---------- 通用区块 ---------- */
.page-products .exp-section {
  padding-block: clamp(34px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}
.page-products .exp-section:last-child { border-bottom: 0; padding-bottom: 0; }
.page-products .exp-section .section__lead { max-width: 46ch; }

.page-products .exp-note {
  margin: 22px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--gold);
  background: var(--gold-tint);
  color: var(--ink-veil);
  font-size: .9375rem;
  line-height: 1.8;
}

/* ---------- 加载次序 ---------- */
.page-products .exp-loads {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border-left: 1px solid var(--line-strong);
}
.page-products .exp-loads__item {
  position: relative;
  padding: 0 0 22px 24px;
}
.page-products .exp-loads__item:last-child { padding-bottom: 0; }
.page-products .exp-loads__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}
.page-products .exp-loads__step {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--teal);
  margin-bottom: 6px;
}
.page-products .exp-loads__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-veil);
  max-width: 42ch;
}

/* ---------- 读数条 ---------- */
.page-products .exp-readout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 26px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .exp-readout__cell {
  background: var(--exp-card);
  padding: 18px 20px;
}
.page-products .exp-readout__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}
.page-products .exp-readout__unit {
  font-size: .5em;
  color: var(--champagne);
  margin-left: 4px;
}
.page-products .exp-readout__label {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 分段切换 ---------- */
.page-products .segment {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 26px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
}
.page-products .segment__tab {
  appearance: none;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--slate);
  font-family: var(--font-sans);
  font-size: .9375rem;
  font-weight: 600;
  padding: 10px 16px;
  cursor: pointer;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}
.page-products .segment__tab:hover,
.page-products .segment__tab:focus-visible {
  color: var(--cold);
  background: var(--gold-tint);
}
.page-products .segment__tab[aria-selected="true"] {
  color: var(--champagne);
  border-bottom-color: var(--gold);
  background: rgba(240, 223, 168, .06);
}
.page-products .segment__tab:focus-visible { outline: 2px solid var(--champagne); outline-offset: -2px; }
.page-products .segment__panel {
  flex: 1 1 100%;
  padding-top: 22px;
}
.page-products .segment__panel[hidden] { display: none; }
.page-products .exp-panel__lead {
  margin: 0 0 20px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-veil);
  max-width: 44ch;
}

/* ---------- 图表小格 ---------- */
.page-products .exp-charts {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .exp-chart {
  background: var(--ink-deep);
  padding: 14px 15px 16px;
  border-top: 2px solid var(--line-strong);
  transition: background-color .18s var(--ease), border-color .18s var(--ease);
}
.page-products .exp-chart:hover { background: var(--exp-card); border-top-color: var(--gold); }
.page-products .exp-chart__name {
  display: block;
  font-family: var(--font-mono);
  font-size: .9375rem;
  font-weight: 700;
  color: var(--cold);
  margin-bottom: 6px;
}
.page-products .exp-chart__ask {
  display: block;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--slate);
}
.page-products .exp-chart--form { border-top-color: var(--teal); }
.page-products .exp-chart--value { border-top-color: var(--gold); }
.page-products .exp-chart--dist { border-top-color: var(--champagne); }

/* ---------- 图表配图 ---------- */
.page-products .exp-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  padding: 10px;
}
.page-products .exp-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}
.page-products .exp-media__cap {
  margin-top: 10px;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--slate);
}
.page-products .exp-media--band { margin-top: 26px; }

/* ---------- 检索三法 ---------- */
.page-products .exp-methods {
  display: grid;
  gap: 14px;
  margin-top: 8px;
}
.page-products .exp-method {
  background: var(--exp-card);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  padding: 20px 20px 22px;
}
.page-products .exp-method__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--gold);
  transform: rotate(-2deg);
  transform-origin: left center;
}
.page-products .exp-method__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--cold);
}
.page-products .exp-method__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-veil);
}

/* ---------- 导出说明 ---------- */
.page-products .exp-export {
  margin-top: 22px;
  padding: 22px;
  background: var(--ink-deep);
  border: 1px solid var(--line-strong);
}
.page-products .exp-export__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--champagne);
}
.page-products .exp-export__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .exp-export__item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .exp-export__item:last-child { border-bottom: 0; }
.page-products .exp-export__key {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--slate);
  min-width: 76px;
}
.page-products .exp-export__val {
  font-size: .9rem;
  color: var(--cold);
  font-family: var(--font-mono);
}
.page-products .exp-export__tip {
  margin: 14px 0 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--ink-veil);
}

/* ---------- 提醒与同步 ---------- */
.page-products .exp-sync {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}
.page-products .exp-sync__item {
  background: var(--exp-card);
  padding: 20px;
}
.page-products .exp-sync__no {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--teal);
  letter-spacing: .14em;
}
.page-products .exp-sync__title {
  margin: 8px 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--cold);
}
.page-products .exp-sync__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-veil);
}

/* ---------- 版本刻度 ---------- */
.page-products .exp-scale {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .exp-scale__item {
  position: relative;
  padding: 16px 18px 18px;
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-strong);
}
.page-products .exp-scale__item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 18px;
  width: 1px;
  height: 6px;
  background: var(--gold);
}
.page-products .exp-scale__no {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--slate);
}
.page-products .exp-scale__title {
  margin: 8px 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  color: var(--cold);
}
.page-products .exp-scale__text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--ink-veil);
}
.page-products .exp-scale__item.is-current {
  background: linear-gradient(180deg, rgba(212, 175, 55, .12), var(--ink-deep));
  border-color: var(--line-strong);
  border-top-color: var(--gold);
}
.page-products .exp-scale__item.is-current .exp-scale__no { color: var(--gold); }
.page-products .exp-scale__item.is-current .exp-scale__title { color: var(--champagne); }

/* ---------- 场景卡片 ---------- */
.page-products .exp-scenes {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}
.page-products .exp-scene {
  background: var(--exp-card);
  border: 1px solid var(--line);
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-products .exp-scene:nth-child(2) { border-left: 2px solid var(--teal); }
.page-products .exp-scene:nth-child(3) { border-left: 2px solid var(--alert); }
.page-products .exp-scene__who {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--gold);
  transform: rotate(-2deg);
  transform-origin: left center;
}
.page-products .exp-scene__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1875rem;
  line-height: 1.4;
  color: var(--cold);
}
.page-products .exp-scene__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-veil);
  flex: 1 1 auto;
}
.page-products .exp-scene__link {
  align-self: flex-start;
  font-size: .875rem;
  color: var(--champagne);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-products .exp-scene__link:hover,
.page-products .exp-scene__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 结尾引导 ---------- */
.page-products .exp-outro {
  margin-top: 32px;
  padding: 26px 22px;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  display: grid;
  gap: 18px;
}
.page-products .exp-outro__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 3.4vw, 1.4rem);
  line-height: 1.45;
  color: var(--cold);
}
.page-products .exp-outro__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-veil);
  max-width: 52ch;
}
.page-products .exp-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .exp-hero__stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .exp-readout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .exp-methods { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .exp-sync { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .exp-scenes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .exp-outro {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: center;
    padding: 30px 28px;
  }
  .page-products .exp-outro__actions { justify-content: flex-end; }
}

@media (min-width: 900px) {
  .page-products .exp-hero__inner {
    grid-template-columns: 1.08fr .92fr;
    gap: clamp(32px, 5vw, 68px);
  }
  .page-products .exp-hero__figure { max-width: 360px; }
  .page-products .exp-scale {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border-top: 1px solid var(--line-strong);
    padding-top: 0;
  }
  .page-products .exp-scale__item { border: 0; padding: 22px 16px 20px; }
  .page-products .exp-scale__item::before { left: 16px; height: 8px; top: -4px; }
  .page-products .exp-scale__item.is-current { background: linear-gradient(180deg, rgba(212, 175, 55, .16), var(--ink-deep)); }
  .page-products .exp-scale__item.is-current .exp-scale__title { color: var(--gold); }
}

@media (min-width: 960px) {
  .page-products .exp-layout {
    grid-template-columns: var(--exp-rail) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .exp-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    border-top: 0;
    border-left: 1px solid var(--line-strong);
    padding: 0 0 0 16px;
    max-height: calc(100vh - var(--header-h) - 36px);
  }
  .page-products .exp-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-products .exp-rail__link {
    border: 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    padding: 11px 8px;
    gap: 10px;
  }
  .page-products .exp-rail__link:hover,
  .page-products .exp-rail__link:focus-visible { background: var(--gold-tint); }
  .page-products .exp-scenes .exp-scene:nth-child(2) { transform: translateY(26px); }
  .page-products .exp-scenes .exp-scene:nth-child(3) { transform: translateY(52px); }
  .page-products .exp-outro { margin-top: 84px; }
}
<<<END>>>