.page-products {
  display: block;
  background: var(--ink);
  color: var(--text);
}

/* ============ 首屏框景 ============ */
.page-products .biz-hero {
  padding: clamp(24px, 4.5vw, 56px) 0 clamp(8px, 2vw, 18px);
}

.page-products .biz-hero .shell {
  position: relative;
  padding: clamp(22px, 3.6vw, 48px);
  border: var(--hair);
  background:
    radial-gradient(120% 110% at 94% 0%, rgba(25, 240, 200, 0.13), transparent 56%),
    linear-gradient(180deg, var(--panel-deep) 0%, var(--ink) 100%);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-products .biz-hero .shell::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--rule) 0 1px, transparent 1px 14px);
  opacity: 0.75;
  pointer-events: none;
}

.page-products .biz-hero .shell::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 22px;
  height: 22px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  pointer-events: none;
}

.page-products .crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-products .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.page-products .hero-lead h1 {
  margin: 10px 0 0;
  max-width: 22ch;
}

.page-products .hero-lead .lede {
  margin-top: 18px;
  max-width: 60ch;
}

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

.page-products .hero-side {
  border: var(--hair);
  border-left: 2px solid var(--cyan);
  background: rgba(11, 42, 34, 0.62);
  padding: clamp(18px, 2.6vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .hero-side__cap {
  color: var(--muted);
  margin: 0;
}

.page-products .hero-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(76px, 13vw, 148px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: var(--cyan);
}

.page-products .hero-side__txt {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

/* ============ 通用模块节奏 ============ */
.page-products .section {
  padding-block: clamp(44px, 6.5vw, 88px);
  border-top: var(--hair);
}

.page-products .section__idx {
  color: var(--muted);
  margin: 0;
  align-self: flex-end;
}

.page-products .eyebrow {
  margin: 0 0 10px;
}

.page-products .display-l {
  margin: 0;
  max-width: 24ch;
}

/* ============ 媒体占位 ============ */
.page-products .media {
  display: block;
  position: relative;
  margin: 0;
  overflow: hidden;
  border: var(--hair);
  background: var(--panel-deep);
}

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

.page-products .media--16x9 {
  aspect-ratio: 16 / 9;
}

.page-products .media--4x3 {
  aspect-ratio: 4 / 3;
}

/* ============ 三条业务线 ============ */
.page-products .lines-grid {
  margin-top: clamp(24px, 3.5vw, 40px);
  row-gap: 20px;
}

.page-products .line-card {
  position: relative;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--ease, 200ms), box-shadow var(--ease, 200ms);
}

.page-products .line-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 2px;
  background: var(--cyan);
}

.page-products .line-card--b::before {
  background: var(--gold);
}

.page-products .line-card--c::before {
  background: var(--violet);
}

.page-products .line-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
}

.page-products .line-card__idx {
  margin: 0;
  color: var(--muted);
}

.page-products .line-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.3vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .line-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .line-card__out {
  margin-top: auto;
  padding-top: 12px;
  border-top: var(--hair);
  color: var(--muted);
}

.page-products .lines-figure {
  margin-top: 8px;
}

/* ============ 说明结构 ============ */
.page-products .anatomy-grid {
  row-gap: 28px;
  align-items: start;
}

.page-products .anatomy-text h2 {
  margin: 0 0 16px;
}

.page-products .seg-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-products .seg-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: var(--hair);
}

.page-products .seg-item:last-child {
  border-bottom: var(--hair);
}

.page-products .seg-num {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1.1;
  color: var(--cyan);
}

.page-products .seg-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.page-products .seg-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .anatomy-figure {
  margin-top: 4px;
}

/* ============ 检索入口 ============ */
.page-products .retrieval-grid {
  margin-top: clamp(24px, 3.5vw, 40px);
  row-gap: 26px;
  align-items: start;
}

.page-products .retrieval-table {
  padding: clamp(18px, 2.4vw, 26px);
  color: var(--ink);
}

.page-products .retrieval-table__cap {
  margin: 0 0 14px;
  color: #4A5B54;
  letter-spacing: 0.06em;
}

.page-products .retrieval-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.6;
}

.page-products .retrieval-table th,
.page-products .retrieval-table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--paper-line);
}

.page-products .retrieval-table thead th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: #4A5B54;
  border-bottom: 1px solid #8A7A5F;
}

.page-products .retrieval-table tbody th {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: #04140F;
  white-space: nowrap;
}

.page-products .retrieval-table tbody tr:hover {
  background: rgba(25, 240, 200, 0.16);
}

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

.page-products .retrieval-note h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.3vw, 26px);
  font-weight: 700;
}

.page-products .retrieval-note p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .retrieval-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-products .retrieval-figure {
  margin-top: clamp(24px, 3.5vw, 40px);
}

/* ============ 四步流程 ============ */
.page-products .process-figure {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: var(--hair);
}

.page-products .steps__item {
  position: relative;
  padding: 22px 0 22px 0;
  border-bottom: var(--hair);
}

.page-products .steps__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
  margin-bottom: 10px;
}

.page-products .steps__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.page-products .steps__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 46ch;
}

.page-products .process-foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 18px 20px;
  border-left: 2px solid var(--cyan);
  background: rgba(11, 42, 34, 0.55);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ============ 节点目录 ============ */
.page-products .nodes-intro {
  margin-top: clamp(22px, 3vw, 32px);
  row-gap: 22px;
  align-items: center;
}

.page-products .nodes-figure {
  margin: 0;
}

.page-products .node-rail {
  list-style: none;
  margin: clamp(26px, 3.5vw, 40px) 0 0;
  padding: 0 0 14px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(196px, 232px);
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}

.page-products .node-rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .node-card {
  scroll-snap-align: start;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 216px;
  transition: transform var(--ease, 200ms), box-shadow var(--ease, 200ms);
}

.page-products .node-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
}

.page-products .node-card--now {
  border-color: var(--gold);
}

.page-products .node-num {
  font-family: var(--font-mono);
  font-size: clamp(40px, 5.6vw, 60px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-products .node-card--now .node-num {
  color: var(--gold);
}

.page-products .node-scope {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-products .node-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .node-card .tag {
  margin-top: auto;
  align-self: flex-start;
}

.page-products .node-hint {
  margin: 0;
  color: var(--muted);
}

/* ============ 适用场景 ============ */
.page-products .scenario-grid {
  margin-top: clamp(24px, 3.5vw, 40px);
  row-gap: 20px;
}

.page-products .scenario-card {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 2px solid var(--cyan-dim);
}

.page-products .scenario-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
}

.page-products .scenario-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .scenario-foot {
  margin-top: clamp(26px, 3.5vw, 40px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: var(--hair);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .scenario-foot p {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .scenario-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-products .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }

  .page-products .steps__item {
    border-bottom: 0;
    border-top: 0;
  }

  .page-products .steps__item:nth-child(-n + 2) {
    border-bottom: var(--hair);
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-products .hero-side {
    align-self: stretch;
    justify-content: center;
  }

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

  .page-products .steps__item {
    border-bottom: 0;
    padding-right: 18px;
  }

  .page-products .steps__item:nth-child(-n + 2) {
    border-bottom: 0;
  }

  .page-products .steps__item + .steps__item {
    border-left: var(--hair);
    padding-left: clamp(16px, 2vw, 26px);
  }
}

@media (max-width: 719px) {
  .page-products .retrieval-table {
    overflow-x: auto;
  }

  .page-products .retrieval-table table {
    min-width: 460px;
  }

  .page-products .hero-actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

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

  .page-products .line-card:hover,
  .page-products .node-card:hover {
    transform: none;
  }
}
<<<END>>>