.page-products {
  --exp-band-gap: clamp(30px, 5.4vw, 80px);
  --exp-step-gap: clamp(20px, 2.4vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-products .exp-hero {
  display: grid;
  gap: 34px;
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(38px, 5.6vw, 76px);
  border-bottom: 1px solid var(--c-line);
}

.page-products .exp-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-paper);
}

.page-products .exp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .exp-hero__index-title {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-mute);
  text-transform: uppercase;
}

.page-products .exp-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-products .exp-index li {
  border-bottom: 1px solid var(--c-line);
}

.page-products .exp-index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 2px;
  color: var(--c-paper);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-products .exp-index a:hover,
.page-products .exp-index a:focus-visible {
  color: var(--c-lime);
  padding-left: 12px;
}

.page-products .exp-index__num {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mute);
  min-width: 24px;
}

.page-products .exp-index a:hover .exp-index__num,
.page-products .exp-index a:focus-visible .exp-index__num {
  color: var(--c-amber);
}

/* ---------- 功能卡带 ---------- */
.page-products .exp-band {
  display: grid;
  gap: 30px;
  padding-top: clamp(38px, 5.4vw, 78px);
  padding-bottom: clamp(38px, 5.4vw, 78px);
  border-bottom: 1px solid var(--c-line);
}

.page-products .exp-band__text .h-section {
  margin-top: 10px;
}

.page-products .exp-band__body {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-paper);
}

.page-products .exp-band__links {
  margin: 24px 0 0;
}

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

.page-products .exp-band__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 指标 ---------- */
.page-products .exp-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 18px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--c-line);
}

.page-products .exp-metric__value {
  display: block;
  font-family: var(--f-mono);
  font-size: 34px;
  line-height: 1.05;
  color: var(--c-lime);
}

.page-products .exp-metric__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--c-mute);
}

/* ---------- 三步动线 ---------- */
.page-products .exp-steps {
  display: grid;
  gap: 26px;
  margin-top: 4px;
}

.page-products .exp-step {
  position: relative;
  border-top: 1px solid var(--c-line);
  padding-top: 22px;
}

.page-products .exp-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--c-lime);
}

.page-products .exp-step[open]::before {
  background: var(--c-amber);
}

.page-products .exp-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .exp-step__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: 16px;
  color: var(--c-lime);
}

.page-products .exp-step[open] .exp-step__head::after {
  content: "−";
}

.page-products .exp-step__num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-mute);
}

.page-products .exp-step__title {
  font-family: var(--f-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}

.page-products .exp-step__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--c-mute);
}

/* ---------- 对照数据表 ---------- */
.page-products .exp-table-band {
  padding-top: clamp(38px, 5.4vw, 78px);
  padding-bottom: clamp(38px, 5.4vw, 78px);
  border-bottom: 1px solid var(--c-line);
}

.page-products .exp-table-band .h-section {
  margin-top: 10px;
}

.page-products .exp-table-wrap {
  margin-top: 26px;
  overflow-x: auto;
  border-top: 1px solid var(--c-line);
}

.page-products .exp-metrics-table {
  width: 100%;
  min-width: 380px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .exp-metrics-table caption {
  padding: 12px 0;
  text-align: left;
  font-size: 13px;
  color: var(--c-mute);
}

.page-products .exp-metrics-table th,
.page-products .exp-metrics-table td {
  text-align: left;
  padding: 13px 14px 13px 0;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}

.page-products .exp-metrics-table thead th {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-mute);
}

.page-products .exp-metrics-table tbody th {
  font-weight: 600;
  color: var(--c-lime);
  white-space: nowrap;
}

.page-products .exp-metrics-table tbody td {
  color: var(--c-paper);
}

.page-products .exp-table-note {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mute);
}

/* ---------- 多端 ---------- */
.page-products .exp-devices-band {
  padding-top: clamp(38px, 5.4vw, 78px);
  padding-bottom: clamp(38px, 5.4vw, 78px);
  border-bottom: 1px solid var(--c-line);
}

.page-products .exp-devices-band .h-section {
  margin-top: 10px;
}

.page-products .exp-devices-lead {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-paper);
}

.page-products .exp-devices {
  display: grid;
  gap: 0;
  margin-top: 30px;
  border-top: 1px solid var(--c-line);
}

.page-products .exp-device {
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-products .exp-device__tag {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-amber);
  text-transform: uppercase;
}

.page-products .exp-device__name {
  margin: 8px 0 0;
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-products .exp-device__body {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--c-mute);
}

.page-products .exp-devices__media {
  margin: 30px 0 0;
}

.page-products .exp-devices__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 收束 ---------- */
.page-products .exp-outro {
  padding-top: clamp(38px, 5.4vw, 76px);
  padding-bottom: clamp(46px, 6vw, 88px);
}

.page-products .exp-outro__grid {
  display: grid;
  gap: 34px;
}

.page-products .exp-outro__col .h-section {
  margin-top: 10px;
}

.page-products .exp-outro__body {
  margin: 16px 0 22px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-mute);
}

.page-products .exp-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-products .exp-hero {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: clamp(40px, 6vw, 88px);
  }

  .page-products .exp-devices {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 clamp(18px, 2.6vw, 38px);
  }

  .page-products .exp-device {
    border-bottom: 1px solid var(--c-line);
  }

  .page-products .exp-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 clamp(18px, 2.6vw, 38px);
  }

  .page-products .exp-outro__grid {
    grid-template-columns: 1fr 1fr;
    gap: clamp(34px, 5vw, 76px);
  }
}

@media (min-width: 1024px) {
  .page-products .exp-band {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--exp-band-gap);
  }

  .page-products .exp-band--flip .exp-band__media {
    order: -1;
  }

  .page-products .exp-band--wide {
    align-items: start;
  }

  .page-products .exp-band--wide .exp-band__text {
    grid-column: 1 / -1;
  }

  .page-products .exp-band--wide .exp-steps {
    grid-column: 1 / -1;
    margin-top: 6px;
  }
}

@media (min-width: 1280px) {
  .page-products .exp-devices-band {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 clamp(40px, 5vw, 84px);
    align-items: start;
  }

  .page-products .exp-devices-band > .eyebrow,
  .page-products .exp-devices-band > .h-section,
  .page-products .exp-devices-lead {
    grid-column: 1 / -1;
  }

  .page-products .exp-devices {
    margin-top: 30px;
  }

  .page-products .exp-devices__media {
    margin-top: 30px;
    position: sticky;
    top: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .exp-index a {
    transition: none;
  }
}
</final>