.page-products {
  --pf-line: var(--sand);
  --pf-edge: 2px solid var(--ink);
  --pf-pop: 5px 5px 0 var(--ink);
  padding: 20px 0 64px;
  color: var(--body-ink);
}

.page-products .crumbs {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  border: var(--pf-edge);
  background: var(--paper);
  box-shadow: var(--pf-pop);
  padding: 22px 20px 26px;
  overflow: hidden;
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--teal) 0 16.6%, var(--amber) 16.6% 33.2%, var(--amber-lt) 33.2% 49.8%, var(--signal) 49.8% 66.4%, var(--stamp) 66.4% 83%, var(--slate) 83% 100%);
}

.page-products .pf-hero__top {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}

.page-products .pf-hero__stamp {
  margin: 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stamp);
  border: 1px dashed var(--stamp);
  padding: 3px 8px;
  border-radius: 2px;
}

.page-products .pf-hero__stamp-v {
  color: var(--ink);
  font-weight: 700;
}

.page-products .pf-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 6.2vw, 48px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 20ch;
}

.page-products .pf-hero__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
  max-width: 72ch;
}

.page-products .pf-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  background: var(--pf-line);
  border: 1px solid var(--pf-line);
}

.page-products .pf-hero__facts li {
  background: var(--paper-dim);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .pf-hero__facts b {
  font-size: clamp(20px, 4.4vw, 28px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.page-products .pf-hero__facts span {
  font-size: 13px;
  color: var(--slate);
}

.page-products .pf-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- 章节通用 ---------- */
.page-products .pf-sec {
  margin-top: 56px;
  padding-top: 8px;
}

.page-products .pf-sec .sec-head {
  margin-bottom: 22px;
}

.page-products .pf-fig {
  margin: 24px 0 0;
}

.page-products .pf-fig--report {
  max-width: 420px;
}

/* ---------- 四条路径 ---------- */
.page-products .pf-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pf-path {
  border: var(--pf-edge);
  background: var(--paper);
  padding: 16px 16px 18px;
  box-shadow: 4px 4px 0 var(--ink);
  position: relative;
  transition: box-shadow .24s var(--ease), transform .24s var(--ease), border-color .24s var(--ease);
}

.page-products .pf-path:hover {
  transform: translateY(-2px);
  border-color: var(--amber-lt);
  box-shadow: 4px 6px 0 var(--amber-lt);
}

.page-products .pf-path__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-products .pf-path h3 {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pf-path p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pf-path__n {
  margin: 0;
  font-size: 13px;
  color: var(--slate);
  border-top: 1px solid var(--pf-line);
  padding-top: 10px;
}

.page-products .pf-path__n .mono {
  color: var(--amber);
  font-weight: 700;
}

.page-products .pf-path--a { border-top: 6px solid var(--teal); }
.page-products .pf-path--b { border-top: 6px solid var(--amber); }
.page-products .pf-path--c { border-top: 6px solid var(--amber-lt); }
.page-products .pf-path--d { border-top: 6px solid var(--signal); }

/* ---------- 六类阶梯 ---------- */
.page-products .pf-ladder {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-ladder__item {
  border: var(--pf-edge);
  background: var(--paper);
  padding: 12px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-products .pf-ladder__item:hover {
  transform: translateY(-2px);
  border-color: var(--amber-lt);
}

.page-products .pf-ladder__no {
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

.page-products .pf-ladder__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  color: var(--ink);
}

.page-products .pf-ladder__bar {
  display: block;
  width: var(--w, 50%);
  height: 8px;
  background: var(--amber);
  border: 1px solid var(--ink);
}

.page-products .pf-ladder__item:nth-child(1) .pf-ladder__bar { background: var(--teal); }
.page-products .pf-ladder__item:nth-child(2) .pf-ladder__bar { background: var(--teal); }
.page-products .pf-ladder__item:nth-child(3) .pf-ladder__bar { background: var(--amber-lt); }
.page-products .pf-ladder__item:nth-child(4) .pf-ladder__bar { background: var(--amber); }
.page-products .pf-ladder__item:nth-child(5) .pf-ladder__bar { background: var(--signal); }
.page-products .pf-ladder__item:nth-child(6) .pf-ladder__bar { background: var(--stamp); }

.page-products .pf-ladder__meta {
  margin: 0;
  font-size: 12px;
  color: var(--slate);
}

.page-products .pf-ladder__meta .mono {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 对照表 ---------- */
.page-products .pf-tablewrap {
  margin-top: 26px;
  overflow-x: auto;
  border: var(--pf-edge);
  background: var(--paper);
  box-shadow: var(--pf-pop);
}

.page-products .pf-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
  font-size: 14px;
}

.page-products .pf-table__cap {
  text-align: left;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--slate);
  border-bottom: 1px solid var(--pf-line);
}

.page-products .pf-table th,
.page-products .pf-table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--pf-line);
  vertical-align: middle;
}

.page-products .pf-table thead th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: .02em;
  white-space: nowrap;
}

.page-products .pf-table tbody th {
  font-weight: 700;
  color: var(--signal);
  font-size: 15px;
}

.page-products .pf-table tbody tr:nth-child(even) {
  background: var(--paper-dim);
}

/* ---------- 起订规格 ---------- */
.page-products .pf-moq {
  gap: 18px;
}

.page-products .pf-moq__list {
  margin: 0;
  border: var(--pf-edge);
  background: var(--paper);
}

.page-products .pf-moq__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 15px;
  border-bottom: 1px solid var(--pf-line);
}

.page-products .pf-moq__row:last-child {
  border-bottom: 0;
}

.page-products .pf-moq__row dt {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  color: var(--ink);
}

.page-products .pf-moq__row dt .mono {
  color: var(--amber);
  margin-right: 6px;
}

.page-products .pf-moq__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-ink);
}

.page-products .pf-moq__side {
  margin: 18px 0 0;
  padding: 18px;
  background: var(--paper-dim);
}

.page-products .pf-moq__side h3 {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  color: var(--ink);
}

.page-products .pf-moq__side p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 报告索引 ---------- */
.page-products .pf-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 0 0;
  border-top: 1px solid var(--pf-line);
}

.page-products .pf-filters__label {
  font-size: 13px;
  color: var(--slate);
}

.page-products .pf-filters__sep {
  width: 1px;
  height: 18px;
  background: var(--pf-line);
  margin: 0 4px;
}

.page-products .pf-chip {
  display: inline-block;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 10px;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-products .pf-chip:hover {
  background: var(--amber);
  color: var(--paper);
}

.page-products .pf-chip--alt {
  border-style: dashed;
  border-color: var(--stamp);
  color: var(--stamp);
}

.page-products .pf-chip--alt:hover {
  background: var(--stamp);
  color: var(--paper);
}

.page-products .pf-reports {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.page-products .pf-report-card {
  border: var(--pf-edge);
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--ink);
  position: relative;
}

.page-products .pf-report-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 6px;
  background: var(--stamp);
}

.page-products .pf-report-card summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 16px 15px 14px;
}

.page-products .pf-report-card summary::-webkit-details-marker {
  display: none;
}

.page-products .pf-report-card__no {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  border: 1px solid var(--pf-line);
  background: var(--paper-dim);
  padding: 2px 7px;
}

.page-products .pf-report-card__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  color: var(--ink);
  flex: 1 1 180px;
}

.page-products .pf-report-card__body {
  border-top: 1px dashed var(--pf-line);
  padding: 12px 15px 16px;
}

.page-products .pf-report-card__body p {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--body-ink);
}

.page-products .pf-report-card__body b {
  color: var(--slate);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 库存与交期 ---------- */
.page-products .pf-stock {
  gap: 18px;
}

.page-products .pf-stock__panel {
  border: var(--pf-edge);
  background: var(--paper);
  padding: 18px 16px;
}

.page-products .pf-stock__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pf-line);
}

.page-products .pf-stock__list li {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  grid-template-areas:
    "shape key tag"
    "shape val val";
  gap: 4px 10px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--pf-line);
}

.page-products .pf-stock__shape {
  grid-area: shape;
  display: block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--ink);
}

.page-products .pf-stock__shape--in { background: var(--teal); }
.page-products .pf-stock__shape--part { background: var(--amber-lt); }
.page-products .pf-stock__shape--order {
  background: var(--paper);
  border-style: dashed;
}

.page-products .pf-stock__k {
  grid-area: key;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 14px;
  color: var(--ink);
}

.page-products .pf-stock__list .tag {
  grid-area: tag;
  justify-self: end;
}

.page-products .pf-stock__v {
  grid-area: val;
  font-size: 12px;
  color: var(--slate);
}

.page-products .pf-stock__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
  border-left: 3px solid var(--pf-line);
  padding-left: 12px;
}

.page-products .pf-stock__side {
  margin: 18px 0 0;
  padding: 20px 18px;
  background: var(--ink);
  color: var(--paper);
}

.page-products .pf-stock__side .eyebrow {
  color: var(--amber-lt);
}

.page-products .pf-stock__side h3 {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  color: var(--paper);
}

.page-products .pf-stock__steps {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--amber);
}

.page-products .pf-stock__steps li {
  position: relative;
  padding: 0 0 16px 18px;
}

.page-products .pf-stock__steps li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--signal);
  border: 2px solid var(--ink);
}

.page-products .pf-stock__steps b {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--amber-lt);
}

.page-products .pf-stock__steps span {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
  opacity: .88;
}

.page-products .pf-stock__note--dark {
  color: var(--paper);
  opacity: .75;
  border-left-color: var(--amber);
}

/* ---------- 选型支持 ---------- */
.page-products .pf-support {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pf-support__step {
  border: var(--pf-edge);
  background: var(--paper);
  padding: 15px 16px 17px;
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-areas:
    "n title"
    "n text";
  gap: 4px 12px;
  align-items: start;
}

.page-products .pf-support__n {
  grid-area: n;
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

.page-products .pf-support__step h3 {
  grid-area: title;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  color: var(--ink);
}

.page-products .pf-support__step p {
  grid-area: text;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-ink);
}

.page-products .pf-cta {
  margin-top: 26px;
  border: var(--pf-edge);
  background: var(--amber);
  color: var(--ink);
  box-shadow: var(--pf-pop);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .pf-cta h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  color: var(--ink);
}

.page-products .pf-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .pf-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pf-cta .btn {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.page-products .pf-cta .btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.page-products .pf-footnote {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}

/* ---------- 自适应 ---------- */
@media (min-width: 720px) {
  .page-products {
    padding-bottom: 88px;
  }

  .page-products .pf-hero {
    padding: 30px 32px 34px;
  }

  .page-products .pf-hero__facts {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .pf-paths {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-products .pf-ladder {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pf-moq__row {
    grid-template-columns: 180px 1fr;
    gap: 16px;
    align-items: baseline;
  }

  .page-products .pf-reports {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-products .pf-support {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-products .pf-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
  }

  .page-products .pf-cta__text {
    flex: 1 1 auto;
    max-width: 62ch;
  }
}

@media (min-width: 1024px) {
  .page-products .pf-paths {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .pf-ladder {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-products .pf-reports {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pf-support {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .pf-moq {
    align-items: start;
  }

  .page-products .pf-moq__side {
    margin-top: 0;
  }

  .page-products .pf-stock {
    align-items: start;
  }

  .page-products .pf-stock__side {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-path,
  .page-products .pf-ladder__item {
    transition: none;
  }

  .page-products .pf-path:hover,
  .page-products .pf-ladder__item:hover {
    transform: none;
  }
}

.page-products {
  --w: 1rem;
}