.page-products {
  --ps-hair: rgba(53, 242, 208, 0.35);
  --ps-paper-ink: #14231E;
  --ps-shadow: 6px 6px 0 rgba(0, 0, 0, 0.55);
}

/* ---------- 首屏 ---------- */
.page-products .services-hero {
  position: relative;
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(40px, 6vw, 74px);
  background:
    radial-gradient(120% 90% at 78% -10%, rgba(53, 242, 208, 0.14), transparent 58%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
}

.page-products .hero-grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-products .hero-kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 16px;
}

.page-products h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 7.5vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
  max-width: 20em;
}

.page-products .hero-lede {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .hero-readout {
  border: 2px solid var(--grid);
  background: var(--carbon);
  box-shadow: var(--ps-shadow);
  padding: 20px 20px 16px;
}

.page-products .readout-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .readout-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-products .readout-item {
  background: var(--carbon);
  padding: 14px 14px 12px;
}

.page-products .readout-item dt {
  font-size: var(--fs-12);
  color: var(--mist);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.page-products .readout-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}

.page-products .readout-item dd .num {
  color: var(--cyan);
}

.page-products .hero-tape {
  margin-top: clamp(28px, 4vw, 46px);
  height: 10px;
  border-top: 2px solid var(--grid);
  border-bottom: 2px solid var(--grid);
  background-image: repeating-linear-gradient(
    90deg,
    var(--grid) 0,
    var(--grid) 2px,
    transparent 2px,
    transparent 22px
  );
  opacity: 0.9;
}

/* ---------- 章节标题 ---------- */
.page-products .section-head {
  border-bottom: 2px solid var(--grid);
  padding-bottom: 16px;
  margin-bottom: 28px;
}

.page-products .section-title {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 4.6vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--white);
}

.page-products .section-note {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* ---------- 三条主线技能树 ---------- */
.page-products .tree {
  position: relative;
}

.page-products .tree-nodes {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  display: grid;
  gap: 22px;
}

.page-products .tree-nodes::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--grid) 70%, transparent);
}

.page-products .tree-node {
  position: relative;
  background: var(--carbon);
  border: 2px solid var(--grid);
  border-top: 3px solid var(--cyan);
  box-shadow: var(--ps-shadow);
  padding: 20px 20px 18px;
}

.page-products .tree-node::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 30px;
  width: 21px;
  height: 2px;
  background: var(--cyan);
}

.page-products .tree-node--gold {
  border-top-color: var(--gold);
}

.page-products .tree-node--gold::before {
  background: var(--gold);
}

.page-products .tree-node--rose {
  border-top-color: var(--rose);
}

.page-products .tree-node--rose::before {
  background: var(--rose);
}

.page-products .node-tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-products .node-title {
  margin: 0 0 10px;
  font-size: var(--fs-22);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .node-desc {
  margin: 0 0 14px;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--mist);
}

.page-products .node-meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--grid);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--gold);
}

.page-products .node-meta .num {
  color: var(--white);
}

/* ---------- 大屏主线 ---------- */
.page-products .bigscreen {
  position: relative;
  background: linear-gradient(168deg, var(--ink-2) 0%, var(--ink-2) 64%, var(--ink) 64.4%);
}

.page-products .bigscreen-grid {
  display: grid;
  gap: 22px;
}

.page-products .bigscreen-figure {
  border: 2px solid var(--grid);
  box-shadow: var(--ps-shadow);
}

.page-products .bigscreen-side {
  display: grid;
  gap: 16px;
}

.page-products .bs-panel {
  border-left: 4px solid var(--cyan);
}

.page-products .bs-panel:nth-child(2) {
  border-left-color: var(--gold);
}

.page-products .bs-panel .panel-title {
  font-size: var(--fs-22);
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--white);
}

.page-products .bs-panel p {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--mist);
}

.page-products .bs-footnote {
  margin: 28px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--grid);
  background: rgba(17, 21, 22, 0.7);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .bs-footnote .num {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 700;
}

/* ---------- 对照资料页 ---------- */
.page-products .archive {
  background: var(--ink);
}

.page-products .archive-grid {
  display: grid;
  gap: 24px;
}

.page-products .archive-body {
  background: var(--paper);
  color: var(--ps-paper-ink);
  box-shadow: var(--ps-shadow);
}

.page-products .archive-lede {
  margin: 0 0 20px;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--ps-paper-ink);
}

.page-products .archive-lede strong {
  font-weight: 800;
  border-bottom: 3px solid var(--gold);
}

.page-products .archive-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(20, 35, 30, 0.28);
}

.page-products .archive-item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(20, 35, 30, 0.28);
}

.page-products .arc-key {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: #8a5a10;
  text-transform: uppercase;
}

.page-products .arc-text {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ps-paper-ink);
}

.page-products .archive-search {
  border-top: 2px solid var(--ps-paper-ink);
  padding-top: 14px;
}

.page-products .search-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--ps-paper-ink);
  text-transform: uppercase;
}

.page-products .search-modes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .search-modes li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--ps-paper-ink);
  font-size: var(--fs-14);
  color: var(--ps-paper-ink);
}

.page-products .search-modes .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: #8a5a10;
}

.page-products .archive-figure {
  border: 2px solid var(--grid);
  box-shadow: var(--ps-shadow);
}

.page-products .archive-footnote {
  margin: 26px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .archive-footnote .num {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 700;
}

/* ---------- 临时数据页 ---------- */
.page-products .temp {
  background: linear-gradient(180deg, var(--ink), var(--carbon) 60%, var(--ink));
}

.page-products .temp-grid {
  display: grid;
  gap: 24px;
}

.page-products .temp-figure {
  border: 2px solid var(--grid);
  box-shadow: var(--ps-shadow);
  max-width: 380px;
}

.page-products .temp-lede {
  margin: 0 0 22px;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--white);
}

.page-products .temp-specs {
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-products .spec {
  background: var(--carbon);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
}

.page-products .spec dt {
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-products .spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--gold);
  white-space: nowrap;
}

.page-products .spec dd .num {
  color: var(--cyan);
  font-size: var(--fs-22);
}

.page-products .temp-note {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 使用场景 ---------- */
.page-products .scenes {
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 36px, 100% 100%, 0 100%);
  padding-top: clamp(60px, 8vw, 108px);
}

.page-products .scenes-figure {
  border: 2px solid var(--grid);
  box-shadow: var(--ps-shadow);
  margin-bottom: 26px;
}

.page-products .scene-cards {
  display: grid;
  gap: 16px;
}

.page-products .scene-card {
  background: var(--carbon);
  border: 2px solid var(--grid);
  border-bottom: 4px solid var(--grid);
  padding: 20px;
  transition: transform 200ms var(--ease), border-bottom-color 200ms var(--ease);
}

.page-products .scene-card:hover {
  transform: translate(-3px, -3px);
  border-bottom-color: var(--cyan);
}

.page-products .scene-tag {
  margin: 0 0 10px;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--gold);
  border: 1px solid var(--grid);
  padding: 3px 8px;
}

.page-products .scene-title {
  margin: 0 0 10px;
  font-size: var(--fs-17);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-products .scene-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 接入流程 ---------- */
.page-products .steps {
  background: var(--ink);
}

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

.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: stepcount;
  position: relative;
}

.page-products .step-list::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background-image: linear-gradient(180deg, var(--cyan) 0 6px, transparent 6px 12px);
  background-size: 2px 12px;
  background-repeat: repeat-y;
}

.page-products .step {
  position: relative;
  padding: 0 0 26px 54px;
}

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

.page-products .step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--ink);
  background: var(--cyan);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.5);
}

.page-products .step-title {
  margin: 4px 0 8px;
  font-size: var(--fs-17);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-products .step p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .steps-figure {
  border: 2px solid var(--grid);
  box-shadow: var(--ps-shadow);
}

/* ---------- 服务支持 ---------- */
.page-products .support {
  background: linear-gradient(180deg, var(--ink), var(--deep));
  padding-bottom: clamp(56px, 8vw, 108px);
}

.page-products .support-grid {
  display: grid;
  gap: 18px;
}

.page-products .support-card {
  position: relative;
  border: 2px solid var(--grid);
  background: var(--carbon);
  box-shadow: var(--ps-shadow);
  padding: 22px 22px 20px;
}

.page-products .support-card:first-child {
  border-top: 4px solid var(--cyan);
}

.page-products .support-card:last-child {
  border-top: 4px solid var(--gold);
}

.page-products .support-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .support-title {
  margin: 0 0 12px;
  font-size: var(--fs-22);
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-products .support-text {
  margin: 0 0 18px;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--mist);
  word-break: break-word;
}

.page-products .support-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--cyan);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 3px;
}

.page-products .support-link:hover,
.page-products .support-link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-products .support-foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--grid);
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist);
}

.page-products .support-foot a {
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
}

/* ---------- 表格断点 ---------- */
@media (min-width: 640px) {
  .page-products .readout-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .scene-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.75fr) minmax(280px, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .hero-readout {
    margin-top: 46px;
  }

  .page-products .tree-nodes {
    padding: 58px 0 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .tree-nodes::before {
    left: 0;
    right: 0;
    top: 28px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(
      90deg,
      transparent 0,
      var(--grid) 6%,
      var(--cyan) 50%,
      var(--grid) 94%,
      transparent 100%
    );
  }

  .page-products .tree-node::before {
    left: 40px;
    top: -30px;
    width: 2px;
    height: 30px;
    background: var(--grid);
  }

  .page-products .tree-node--gold::before,
  .page-products .tree-node--rose::before {
    background: var(--grid);
  }

  .page-products .bigscreen-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: stretch;
    gap: 26px;
  }

  .page-products .bigscreen-side {
    align-content: stretch;
  }

  .page-products .archive-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }

  .page-products .temp-grid {
    grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .scene-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .steps-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .steps-figure {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1240px) {
  .page-products h1 {
    font-size: var(--fs-64);
  }

  .page-products .scene-card {
    padding: 22px 20px;
  }
}

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

  .page-products .scene-card:hover {
    transform: none;
  }
}
</main>