.page-products {
  --pm-section-pad: clamp(52px, 7.4vw, 92px);
  display: block;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-products .pm-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(92px, 13vw, 148px) 0 clamp(46px, 6vw, 76px);
  border-bottom: 1px solid var(--border);
}

.page-products .pm-hero::before {
  content: "";
  position: absolute;
  inset: -18% -8% auto -8%;
  height: 82%;
  background:
    radial-gradient(58% 76% at 78% 20%, rgba(37, 224, 196, 0.16), transparent 68%),
    linear-gradient(112deg, rgba(108, 107, 255, 0.18) 0%, transparent 46%),
    linear-gradient(180deg, var(--hull) 0%, rgba(10, 17, 32, 0) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 54% 100%, 0 74%);
  pointer-events: none;
}

.page-products .pm-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 62px);
  align-items: start;
}

.page-products .pm-hero__copy .crumb {
  margin-bottom: 20px;
}

.page-products .pm-hero__copy .eyebrow {
  display: block;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pm-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 64px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--mist);
  max-width: 18ch;
}

.page-products .pm-hero__lead {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pm-hero__aside {
  align-self: stretch;
  padding: 22px 22px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 28, 47, 0.92), rgba(10, 17, 32, 0.62));
  box-shadow: inset 0 1px 0 rgba(37, 224, 196, 0.14);
}

.page-products .pm-hero__aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-products .pm-facts {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pm-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.page-products .pm-facts li:last-child {
  border-bottom: 0;
}

.page-products .pm-facts__k {
  font-size: 14px;
  color: var(--muted);
}

.page-products .pm-facts__v {
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .pm-facts li:nth-child(3) .pm-facts__v,
.page-products .pm-facts li:nth-child(4) .pm-facts__v {
  color: var(--accent-alt);
}

.page-products .pm-hero__aside-note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 通用区块 ---------- */
.page-products .pm-section {
  padding: var(--pm-section-pad) 0;
  border-bottom: 1px solid var(--border);
}

.page-products .pm-section .section-head {
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-products .pm-intro {
  margin: 0 0 26px;
  max-width: 74ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pm-intro--tight {
  margin-top: 30px;
  margin-bottom: 0;
}

.page-products .pm-aside-link {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--slate);
}

.page-products .pm-sub {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-products .pm-callout {
  margin: 6px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(37, 224, 196, 0.06);
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 表格 ---------- */
.page-products .pm-table {
  width: 100%;
  min-width: 760px;
}

.page-products .pm-table__caption {
  padding: 0 0 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-products .pm-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--hull);
  border-bottom: 1px solid var(--accent);
  white-space: nowrap;
}

.page-products .pm-table tbody th[scope="row"] {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- 图片 ---------- */
.page-products .pm-figure {
  margin: 0 0 26px;
}

.page-products .pm-figure figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pm-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 选型章节 ---------- */
.page-products .pm-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
}

.page-products .pm-rulers {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-products .pm-ruler {
  padding: 18px 18px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: border-color 0.35s var(--ease);
}

.page-products .pm-ruler:hover,
.page-products .pm-ruler:focus-within {
  border-color: var(--accent);
}

.page-products .pm-ruler__label {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
}

.page-products .pm-ruler__code {
  margin-right: 10px;
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.page-products .pm-scale {
  display: flex;
  gap: 3px;
  margin-bottom: 12px;
}

.page-products .pm-scale__seg {
  flex: 1 1 0;
  padding: 9px 8px;
  border-top: 2px solid var(--line);
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}

.page-products .pm-scale__seg .mono {
  font-size: 11px;
  color: var(--slate);
}

.page-products .pm-scale__seg--a {
  border-top-color: rgba(37, 224, 196, 0.35);
  background: rgba(37, 224, 196, 0.05);
}

.page-products .pm-scale__seg--b {
  border-top-color: rgba(37, 224, 196, 0.72);
  background: rgba(37, 224, 196, 0.1);
}

.page-products .pm-scale__seg--c {
  border-top-color: var(--accent-alt);
  background: rgba(242, 179, 61, 0.1);
}

.page-products .pm-ruler__pick {
  margin: 0;
  font-size: 13px;
  color: var(--slate);
}

.page-products .pm-ruler__pick .mono {
  color: var(--accent-alt);
}

.page-products .pm-note-panel {
  margin-top: 0;
}

.page-products .pm-note-panel .panel-head {
  margin-bottom: 14px;
}

.page-products .pm-checklist {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-products .pm-checklist li + li {
  margin-top: 6px;
}

.page-products .pm-note-panel__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pm-note-panel__foot {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 批次章节 ---------- */
.page-products .pm-batch-legend {
  display: grid;
  gap: 12px;
  margin-bottom: 34px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(108, 107, 255, 0.12), rgba(10, 17, 32, 0.4));
}

.page-products .pm-batch-legend__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-products .pm-batch-code {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pm-batch-code__part:nth-child(1) {
  color: var(--accent);
}

.page-products .pm-batch-code__part:nth-child(3) {
  color: var(--accent-alt);
}

.page-products .pm-batch-code__part:nth-child(5) {
  color: var(--indigo);
}

.page-products .pm-batch-code__sep {
  color: var(--line);
}

.page-products .pm-batch-legend__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pm-batch-legend__list .mono {
  margin-right: 8px;
  color: var(--accent);
}

.page-products .pm-timeline {
  position: relative;
  margin: 0;
  padding: 4px 0 0;
  list-style: none;
}

.page-products .pm-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--indigo) 52%, var(--line) 100%);
}

.page-products .pm-tl {
  position: relative;
  padding: 0 0 26px 34px;
}

.page-products .pm-tl:last-child {
  padding-bottom: 0;
}

.page-products .pm-tl::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 7px;
  width: 11px;
  height: 11px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--abyss);
  box-shadow: 0 0 0 4px rgba(37, 224, 196, 0.08);
}

.page-products .pm-tl__badge {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(37, 224, 196, 0.06);
}

.page-products .pm-tl__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
}

.page-products .pm-tl__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 质保章节 ---------- */
.page-products .pm-warranty {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-products .pm-status-grid {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .pm-status-card {
  padding: 18px;
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.page-products .pm-status-card--ok {
  border-left-color: var(--accent);
}

.page-products .pm-status-card--warn {
  border-left-color: var(--accent-alt);
}

.page-products .pm-status-card--alert {
  border-left-color: var(--coral);
}

.page-products .pm-status-card__title {
  margin: 12px 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
}

.page-products .pm-status-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pm-check {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--hull);
}

.page-products .pm-check__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

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

.page-products .pm-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pm-steps__no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 3px;
  white-space: nowrap;
}

.page-products .pm-check__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pm-figure--square {
  max-width: 520px;
}

/* ---------- 现货章节 ---------- */
.page-products .pm-stock-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
  align-items: start;
}

.page-products .pm-stock {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .pm-stock__row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) 46px;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--muted);
}

.page-products .pm-stock__name {
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-products .pm-stock__track {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(36, 52, 76, 0.7);
  overflow: hidden;
}

.page-products .pm-stock__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--indigo), var(--cyan));
}

.page-products .pm-stock__fill--a { width: 34%; }
.page-products .pm-stock__fill--b { width: 28%; }
.page-products .pm-stock__fill--c { width: 12%; background: linear-gradient(90deg, var(--cyan), var(--amber)); }
.page-products .pm-stock__fill--d { width: 11%; background: linear-gradient(90deg, var(--cyan), var(--amber)); }
.page-products .pm-stock__fill--e { width: 9%; background: linear-gradient(90deg, var(--indigo), var(--amber)); }
.page-products .pm-stock__fill--f { width: 6%; background: linear-gradient(90deg, var(--indigo), var(--amber)); }

.page-products .pm-stock__val {
  text-align: right;
  color: var(--accent-alt);
  font-size: 13px;
}

.page-products .pm-lead-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pm-lead-list .mono {
  display: inline-block;
  margin-right: 8px;
  color: var(--accent);
}

/* ---------- 备件章节 ---------- */
.page-products .pm-spares {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
  align-items: start;
}

.page-products .pm-spares__table .pm-sub + .table-scroll {
  margin-bottom: 32px;
}

.page-products .pm-spares__table .pm-sub:not(:first-child) {
  padding-top: 8px;
}

/* ---------- 收尾 ---------- */
.page-products .pm-tail {
  padding: clamp(44px, 6vw, 72px) 0;
  background: linear-gradient(120deg, rgba(242, 179, 61, 0.14), rgba(10, 17, 32, 0.2) 62%);
  border-bottom: 1px solid var(--border);
}

.page-products .pm-tail__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.page-products .pm-tail__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--mist);
}

.page-products .pm-tail__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pm-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-products .pm-stock__row {
    grid-template-columns: 90px minmax(0, 1fr) 52px;
  }

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

@media (min-width: 960px) {
  .page-products .pm-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pm-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pm-warranty {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pm-stock-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pm-spares {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pm-tail__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pm-tail__actions {
    justify-content: flex-end;
  }
}

@media (max-width: 560px) {
  .page-products .pm-hero h1 {
    font-size: 30px;
  }

  .page-products .pm-stock__row {
    grid-template-columns: 66px minmax(0, 1fr) 42px;
    gap: 10px;
  }

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

  .page-products .pm-batch-code {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pm-ruler {
    transition: none;
  }
}