.page-products {
  --lane-hair: rgba(20, 22, 26, 0.11);
  --lane-ink-soft: #3B4046;
  --lane-gold-soft: rgba(195, 155, 39, 0.08);
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  position: relative;
  isolation: isolate;
  padding-block: 30px 46px;
  overflow: hidden;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 84% 4%, rgba(195, 155, 39, 0.22), transparent 44%),
    linear-gradient(180deg, rgba(46, 125, 107, 0.13), transparent 62%);
  pointer-events: none;
}

.page-products .products-hero__crumb {
  margin: 0 0 26px;
  font-family: var(--font-ui);
  font-size: 13px;
}

.page-products .products-hero__crumb a {
  color: var(--gold-lt);
}

.page-products .products-hero__grid {
  gap: 34px;
  align-items: start;
}

.page-products .products-hero h1 {
  margin: 14px 0 20px;
  font-size: clamp(27px, 6.2vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.012em;
}

.page-products .products-hero .lede {
  max-width: 58ch;
  margin: 0;
  color: rgba(242, 244, 243, 0.76);
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .products-hero__board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid rgba(242, 244, 243, 0.16);
  border-radius: 4px;
  background: rgba(242, 244, 243, 0.14);
  overflow: hidden;
}

.page-products .products-hero__board .status-board__cell {
  background: #191C21;
  border: 0;
  padding: 16px 15px;
}

.page-products .products-hero__board .status-board__cell:last-child {
  grid-column: span 2;
}

.page-products .products-hero__board .status-board__label {
  margin: 0 0 7px;
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(242, 244, 243, 0.58);
}

.page-products .products-hero__board .status-board__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--gold-lt);
}

@media (min-width: 720px) {
  .page-products .products-hero__board .status-board__value {
    font-size: 23px;
  }
}

/* ---------- 三条业务分段 ---------- */
.page-products .products-lanes {
  padding-block: 56px 64px;
}

.page-products .products-lanes h2 {
  margin: 10px 0 0;
  max-width: 26ch;
}

.page-products .products-lanes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 30px;
}

.page-products .products-rail {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .products-rail .sticky-index {
  display: flex;
  flex-direction: row;
  gap: 8px;
  padding: 0 0 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .products-rail .sticky-index::-webkit-scrollbar {
  display: none;
}

.page-products .products-rail .index-link {
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--lane-hair);
  border-left: 2px solid transparent;
  border-radius: 3px;
  background: var(--sheet);
  font-family: var(--font-ui);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .products-rail .index-link:hover,
.page-products .products-rail .index-link[aria-current] {
  border-left-color: var(--gold);
  background: var(--lane-gold-soft);
}

.page-products .products-rail__note {
  padding: 15px 16px;
  border: 1px solid var(--lane-hair);
  border-top: 2px solid var(--gold);
  border-radius: 3px;
  background: var(--sheet);
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .products-rail__note .mono {
  display: block;
  margin-bottom: 6px;
  font-size: 19px;
  color: var(--ink);
}

@media (min-width: 980px) {
  .page-products .products-lanes__grid {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 46px;
  }
  .page-products .products-rail .sticky-index {
    position: sticky;
    top: 92px;
    flex-direction: column;
    gap: 3px;
    padding-bottom: 0;
    overflow: visible;
  }
}

/* ---------- 分段控件 ---------- */
.page-products .products-tabs .tablist {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--lane-hair);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .products-tabs .tablist::-webkit-scrollbar {
  display: none;
}

.page-products .products-tabs .tab {
  appearance: none;
  flex: 0 0 auto;
  margin-bottom: -1px;
  padding: 12px 18px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--gray);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .products-tabs .tab:hover {
  color: var(--ink);
}

.page-products .products-tabs .tab[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.page-products .products-tabs .tabpanel {
  padding-top: 26px;
}

.page-products .products-tabs .tabpanel[hidden] {
  display: none;
}

.page-products .products-tabs .tabpanel:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 4px;
}

/* ---------- 分层面板内容 ---------- */
.page-products .products-figure {
  margin: 0 0 26px;
}

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

.page-products .products-pair {
  margin-bottom: 26px;
}

.page-products .lane-head {
  margin-bottom: 24px;
}

.page-products .lane-head__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .lane-head h3 {
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.page-products .lane-head__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

.page-products .lane-body {
  margin-top: 26px;
}

.page-products .lane-sub {
  margin: 0 0 6px;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .lane-specs {
  margin: 0;
  border-top: 1px solid var(--lane-hair);
}

.page-products .lane-specs__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--lane-hair);
}

.page-products .lane-specs dt {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .lane-specs dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--lane-ink-soft);
}

@media (min-width: 720px) {
  .page-products .lane-specs__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

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

.page-products .lane-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--lane-hair);
  font-size: 15px;
  line-height: 1.8;
  color: var(--lane-ink-soft);
}

.page-products .lane-steps__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
}

.page-products .lane-matrix {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: 1px solid var(--lane-hair);
}

.page-products .lane-matrix li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px solid var(--lane-hair);
  font-size: 14px;
}

.page-products .lane-matrix__k {
  flex: 0 0 auto;
  min-width: 84px;
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--ink);
}

.page-products .lane-matrix__v {
  flex: 1 1 auto;
  min-width: 0;
  text-align: right;
  color: var(--gray);
  overflow-wrap: break-word;
}

@media (max-width: 560px) {
  .page-products .lane-matrix li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .page-products .lane-matrix__v {
    text-align: left;
  }
}

.page-products .lane-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .lane-chips li {
  padding: 6px 13px;
  border: 1px solid var(--lane-hair);
  border-radius: 999px;
  background: var(--sheet);
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .lane-chips__more {
  border-color: rgba(46, 125, 107, 0.4);
  background: var(--teal-lt);
  color: var(--teal-dk);
}

.page-products .lane-body .fold + .fold {
  margin-top: 10px;
}

.page-products .lane-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding: 18px 20px;
  border-left: 3px solid var(--gold);
  border-radius: 4px;
  background: var(--ink);
}

.page-products .lane-foot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 244, 243, 0.82);
}

/* ---------- 接续关系 ---------- */
.page-products .products-flow {
  padding-block: 60px 64px;
  background: var(--paper);
  border-top: 1px solid var(--lane-hair);
  border-bottom: 1px solid var(--lane-hair);
}

.page-products .products-flow h2 {
  margin: 10px 0 16px;
  max-width: 28ch;
}

.page-products .products-flow .lede {
  max-width: 68ch;
  margin: 0 0 30px;
}

.page-products .products-figure--wide {
  margin-bottom: 30px;
}

.page-products .flow-steps {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--lane-hair);
  border-radius: 3px;
  background: var(--lane-hair);
  overflow: hidden;
}

.page-products .flow-steps li {
  padding: 18px 16px 20px;
  background: var(--sheet);
}

.page-products .flow-steps__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .flow-steps h3 {
  margin: 0 0 8px;
}

.page-products .flow-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--lane-ink-soft);
}

.page-products .flow-tail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

.page-products .flow-tail a {
  color: var(--teal-dk);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 760px) {
  .page-products .flow-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* ---------- 交付方式 ---------- */
.page-products .products-deliver {
  padding-block: 58px 64px;
}

.page-products .products-deliver h2 {
  margin: 10px 0 0;
  max-width: 26ch;
}

.page-products .deliver-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 28px;
  border: 1px solid var(--lane-hair);
  border-radius: 3px;
  background: var(--lane-hair);
  overflow: hidden;
}

.page-products .deliver-card {
  padding: 22px 20px 24px;
  background: var(--sheet);
}

.page-products .deliver-card__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-products .deliver-card h3 {
  margin: 0 0 10px;
}

.page-products .deliver-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--lane-ink-soft);
  overflow-wrap: break-word;
}

.page-products .train-band {
  margin-top: 26px;
  padding: 20px 22px;
  border-left: 3px solid var(--teal);
  border-radius: 3px;
  background: linear-gradient(90deg, rgba(196, 227, 216, 0.55), rgba(196, 227, 216, 0));
}

.page-products .train-band__figure {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .train-band__figure .mono {
  font-size: 22px;
  font-weight: 600;
  color: var(--teal-dk);
}

.page-products .train-band__text {
  margin: 0;
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--lane-ink-soft);
}

@media (min-width: 760px) {
  .page-products .deliver-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 适用场景 ---------- */
.page-products .products-scenes {
  padding-block: 58px 64px;
}

.page-products .products-scenes h2 {
  margin: 10px 0 0;
  max-width: 26ch;
}

.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-products .scene-card {
  padding: 24px 20px;
  border: 1px solid var(--lane-hair);
  border-top: 2px solid var(--ink);
  border-radius: 3px;
  background: var(--sheet);
}

.page-products .scene-card:nth-child(2) {
  border-top-color: var(--gold);
}

.page-products .scene-card:nth-child(3) {
  border-top-color: var(--teal);
}

.page-products .scene-card__no {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.page-products .scene-card h3 {
  margin: 0 0 10px;
}

.page-products .scene-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--lane-ink-soft);
}

@media (min-width: 760px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 提交入口 ---------- */
.page-products .products-forms {
  padding-block: 58px 66px;
  background: var(--sheet);
  border-top: 1px solid var(--lane-hair);
}

.page-products .products-forms h2 {
  margin: 10px 0 14px;
  max-width: 26ch;
}

.page-products .products-forms .lede {
  max-width: 66ch;
  margin: 0;
}

.page-products .products-forms .lede a {
  color: var(--teal-dk);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .forms-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.page-products .form-card {
  padding: 22px 20px 20px;
  border: 1px solid var(--lane-hair);
  border-left: 2px solid var(--gold);
  border-radius: 3px;
  background: var(--paper);
}

.page-products .form-card__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .form-card h3 {
  margin: 0 0 10px;
}

.page-products .form-card__when {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--lane-ink-soft);
}

.page-products .form-card__fields {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px dashed var(--lane-hair);
}

.page-products .form-card__fields li {
  position: relative;
  padding: 8px 0 8px 16px;
  border-bottom: 1px dashed var(--lane-hair);
  font-family: var(--font-ui);
  font-size: 13.5px;
  color: var(--ink);
}

.page-products .form-card__fields li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 1px;
  background: var(--gray);
}

.page-products .forms-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--lane-hair);
}

.page-products .forms-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

@media (min-width: 760px) {
  .page-products .forms-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 结尾引导 ---------- */
.page-products .products-cta {
  padding-block: 56px 62px;
}

.page-products .products-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .products-cta h2 {
  margin: 0 0 12px;
  max-width: 26ch;
}

.page-products .products-cta p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 244, 243, 0.74);
}

.page-products .products-cta p a {
  color: var(--gold-lt);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

@media (min-width: 880px) {
  .page-products .products-cta__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
  }
}
<<<END>>>
</main>