.page-products {
  --pp-cut: 16px;
  --pp-gap: clamp(52px, 7vw, 92px);
  --pp-line: rgba(122, 92, 34, .45);
  --pp-line-soft: rgba(122, 92, 34, .26);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  margin: 26px 0 0;
}

/* ---------- 首屏 ---------- */
.page-products .pg-intro {
  padding-top: clamp(26px, 4vw, 46px);
}

.page-products .pg-intro__grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 960px) {
  .page-products .pg-intro__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

.page-products .pg-intro h1 {
  margin: 14px 0 0;
  font-size: clamp(27px, 4.4vw, 45px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: .03em;
  color: var(--paper);
  max-width: 20ch;
}

.page-products .pg-intro__text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 52ch;
}

.page-products .pg-intro__tag {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-products .pg-index {
  padding: 18px 20px 10px;
}

.page-products .pg-index__title {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .pg-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pg-index__list li + li {
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pg-index__list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 2px;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-products .pg-index__list a:hover,
.page-products .pg-index__list a:focus-visible {
  color: var(--gold-hi);
  padding-left: 7px;
}

.page-products .pg-index__num {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
}

/* ---------- 章节骨架 ---------- */
.page-products .pg-sec {
  padding-top: var(--pp-gap);
}

.page-products .pg-sec--last {
  padding-bottom: 8px;
}

.page-products .pg-sec__head {
  max-width: 62ch;
}

.page-products .pg-sec__head h2 {
  margin: 12px 0 0;
  font-size: clamp(21px, 2.9vw, 31px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .pg-sec__head p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 56ch;
}

.page-products .pg-figure {
  margin: 26px 0 0;
  border: 1px solid var(--pp-line);
  background: var(--panel);
}

.page-products .pg-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pg-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--edge);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 规格对照表 ---------- */
.page-products .spec-scroll {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--pp-line);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .spec-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .spec-table caption {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .spec-table th,
.page-products .spec-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .spec-table thead th {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--gold);
  background: #08131f;
  border-bottom: 1px solid var(--pp-line);
  white-space: nowrap;
}

.page-products .spec-table thead th:first-child {
  position: sticky;
  left: 0;
  z-index: 3;
  min-width: 104px;
  background: #08131f;
}

.page-products .spec-table tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  min-width: 104px;
  background: var(--panel);
  border-right: 1px solid var(--pp-line);
  color: var(--mist);
  font-weight: 500;
  white-space: nowrap;
}

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

.page-products .spec-table tbody tr:last-child th,
.page-products .spec-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 起订档位阶梯 ---------- */
.page-products .moq-ladder {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .moq-card {
  padding: 22px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--pp-line);
  clip-path: polygon(
    var(--pp-cut) 0,
    100% 0,
    100% calc(100% - var(--pp-cut)),
    calc(100% - var(--pp-cut)) 100%,
    0 100%,
    0 var(--pp-cut)
  );
}

.page-products .moq-meter {
  height: 4px;
  background: rgba(122, 92, 34, .4);
  overflow: hidden;
}

.page-products .moq-meter i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--copper), var(--gold-hi));
}

.page-products .moq-card__qty {
  margin: 16px 0 0;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold);
  line-height: 1.1;
}

.page-products .moq-card__qty small {
  margin-left: 5px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--mist);
}

.page-products .moq-card__name {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-products .moq-card__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-products .moq-ladder {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: end;
  }

  .page-products .moq-card:nth-child(1) {
    min-height: 168px;
  }

  .page-products .moq-card:nth-child(2) {
    min-height: 198px;
  }

  .page-products .moq-card:nth-child(3) {
    min-height: 228px;
  }
}

/* ---------- 六步安装轴 ---------- */
.page-products .step-axis {
  position: relative;
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-products .step-axis::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(227, 180, 87, .85), rgba(227, 180, 87, .05));
}

.page-products .step {
  position: relative;
  padding-left: 48px;
}

.page-products .step + .step {
  margin-top: 12px;
}

.page-products .step__num {
  position: absolute;
  left: 0;
  top: 8px;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--copper);
  background: var(--ink);
  border: 1px solid var(--copper);
}

.page-products .step__d {
  border: 1px solid var(--pp-line);
  background: var(--panel);
}

.page-products .step__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  transition: color .2s var(--ease);
}

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

.page-products .step__head::marker {
  content: "";
}

.page-products .step__d[open] > .step__head {
  color: var(--gold);
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .step__chev {
  flex: none;
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  transform: rotate(45deg);
  transition: transform .25s var(--ease);
}

.page-products .step__d[open] .step__chev {
  transform: rotate(-135deg);
}

.page-products .step__body {
  padding: 14px 16px 18px;
}

.page-products .step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .step__body p + p {
  margin-top: 10px;
}

.page-products .step__body strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 核对表 ---------- */
.page-products .check-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

@media (min-width: 820px) {
  .page-products .check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-products .check-col {
  padding: 22px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--pp-line);
}

.page-products .check-col--pre {
  border-top: 3px solid var(--copper);
}

.page-products .check-col--day {
  border-top: 3px solid var(--jade);
}

.page-products .check-col h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-products .check-col__hint {
  margin: 7px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-products .check-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .check-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 9px 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .check-item:first-child {
  border-top: 0;
  padding-top: 2px;
}

.page-products .check-box {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border: 1px solid var(--edge);
  background: rgba(5, 13, 22, .6);
}

.page-products .check-col--day .check-box {
  border-color: rgba(111, 168, 147, .65);
}

/* ---------- 常见疑问 ---------- */
.page-products .qa-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .qa {
  border: 1px solid var(--pp-line);
  background: var(--panel);
}

.page-products .qa > summary {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  transition: color .2s var(--ease);
}

.page-products .qa > summary::-webkit-details-marker {
  display: none;
}

.page-products .qa > summary::marker {
  content: "";
}

.page-products .qa > summary::before {
  content: "Q";
  flex: none;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--copper);
}

.page-products .qa[open] > summary {
  color: var(--gold);
}

.page-products .qa__body {
  padding: 0 18px 18px 42px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 说明与后续路径 ---------- */
.page-products .doc-grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

@media (min-width: 900px) {
  .page-products .doc-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 40px;
    align-items: center;
  }
}

.page-products .doc-grid .pg-figure {
  margin-top: 0;
}

.page-products .doc-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 52ch;
}

.page-products .doc-note + .doc-note {
  margin-top: 14px;
}

.page-products .doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 入场动效 ---------- */
.has-js .page-products [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
  transition-delay: var(--d, 0s);
}

.has-js .page-products [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .has-js .page-products [data-reveal] {
    transform: none;
    transition: opacity .3s linear;
    transition-delay: 0s;
  }

  .page-products .step__chev {
    transition: none;
  }
}
<<<END>>>

.page-products {
  --d: 0.3s;
}