.page-products {
  --pp-line: 1px solid var(--line);
  --pp-pad: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--pp-line);
  padding: clamp(36px, 5vw, 72px) 0 clamp(44px, 6vw, 92px);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -2px;
  width: 68%;
  height: 62%;
  background: linear-gradient(155deg, var(--red) 0%, var(--red-deep) 100%);
  clip-path: polygon(0 100%, 0 26%, 100% 0, 100% 100%);
  opacity: 0.9;
  z-index: 0;
  pointer-events: none;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: end;
}

.page-products .prod-hero__code {
  margin: 0 0 16px;
  color: var(--copper);
}

.page-products .prod-hero__title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .prod-hero__lead {
  margin: 22px 0 0;
  max-width: 46ch;
  color: var(--white);
}

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

.page-products .prod-hero__side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: var(--pp-line);
}

.page-products .prod-metric {
  display: grid;
  align-content: start;
  gap: 2px;
  padding: 18px 16px 20px;
  background: var(--panel);
}

.page-products .prod-metric .metric__value {
  font-size: clamp(26px, 4vw, 40px);
  color: var(--copper);
}

.page-products .prod-metric .metric__unit {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-products .prod-metric .metric__label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--gray);
}

/* ---------- 通用小节导语 ---------- */
.page-products .prod-intro {
  max-width: 62ch;
  margin: 22px 0 0;
}

/* ---------- S-01 服务分层 ---------- */
.page-products .svc-list {
  display: grid;
  gap: 1px;
  margin-top: 36px;
  background: var(--line);
  border: var(--pp-line);
}

.page-products .svc-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 26px 22px 28px;
  background: var(--panel);
  border-top: 3px solid transparent;
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .svc-card:hover,
.page-products .svc-card:focus-within {
  background: var(--panel-2);
  border-top-color: var(--copper);
}

.page-products .svc-card__num {
  margin: 0;
  color: var(--copper);
}

.page-products .svc-card__title {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-products .svc-card__scene {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .svc-card__spec {
  margin: 4px 0 0;
  display: grid;
  gap: 10px;
  border-top: var(--pp-line);
  padding-top: 14px;
}

.page-products .svc-card__row {
  display: grid;
  gap: 3px;
}

.page-products .svc-card__row dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-products .svc-card__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--white);
}

.page-products .svc-figure {
  margin: 40px 0 0;
}

/* ---------- S-02 参数库 ---------- */
.page-products .param-split {
  margin-top: 32px;
}

.page-products .param-body .lead {
  max-width: 52ch;
}

.page-products .param-index {
  margin-top: 28px;
  border-top: var(--pp-line);
}

.page-products .param-index .idx-list__num {
  color: var(--copper);
}

.page-products .param-index .idx-list__value {
  color: var(--copper);
}

.page-products .param-side {
  display: grid;
  gap: 24px;
  align-content: start;
}

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

.page-products .param-note {
  border-left: 3px solid var(--red);
}

.page-products .param-note p {
  margin: 8px 0 0;
}

/* ---------- S-03 流程线 ---------- */
.page-products .flow {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .flow__node {
  position: relative;
  padding: 26px 0 26px 44px;
  border-bottom: var(--pp-line);
}

.page-products .flow__node::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 0;
  bottom: -1px;
  width: 1px;
  background: var(--line);
}

.page-products .flow__node::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 32px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 1px solid var(--copper);
  transform: rotate(45deg);
}

.page-products .flow__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--copper);
}

.page-products .flow__title {
  margin: 8px 0 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--white);
}

.page-products .flow__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 40ch;
}

.page-products .flow-side {
  margin-top: 40px;
  align-items: start;
}

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

.page-products .cycle-callout {
  border-left: 3px solid var(--copper);
}

.page-products .cycle-callout__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .cycle-callout__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

.page-products .cycle-callout__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--copper);
}

/* ---------- S-04 验资与编号 ---------- */
.page-products .gate-split {
  margin-top: 32px;
  align-items: start;
}

.page-products .gate-body .lead {
  max-width: 54ch;
}

.page-products .gate-sub {
  margin: 32px 0 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-products .gate-materials {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: var(--pp-line);
}

.page-products .gate-materials li {
  display: grid;
  gap: 8px;
  padding: 13px 0;
  border-bottom: var(--pp-line);
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.page-products .gate-materials .mono-label {
  color: var(--gray);
}

.page-products .gate-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--pp-line);
}

.page-products .gate-card {
  display: grid;
  gap: 10px;
  padding: 24px 22px 26px;
  background: var(--panel);
  box-shadow: inset 3px 0 0 var(--copper);
}

.page-products .gate-card__g {
  margin: 0;
  color: var(--copper);
}

.page-products .gate-card__val {
  margin: 0;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.1;
  color: var(--white);
}

.page-products .gate-card__val span {
  display: block;
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-products .gate-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- S-05 交付周期表 ---------- */
.page-products .table-scroll {
  margin-top: 34px;
  overflow-x: auto;
  border: var(--pp-line);
  background: var(--panel);
}

.page-products .cycle-table {
  min-width: 660px;
  width: 100%;
}

.page-products .cycle-table caption {
  padding: 16px 20px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gray);
  border-bottom: var(--pp-line);
}

.page-products .cycle-table tbody tr:nth-child(even) {
  background: var(--panel-2);
}

.page-products .cycle-table tbody th {
  font-family: var(--mono);
  color: var(--copper);
  white-space: nowrap;
}

.page-products .cycle-table tbody td:nth-child(3) {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--white);
}

.page-products .cycle-split {
  margin-top: 44px;
  align-items: start;
}

.page-products .cycle-sub,
.page-products .stock-sub {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-products .cycle-rules__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .cycle-rules__list li {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
}

.page-products .cycle-rules__list .status-dot {
  margin-top: 9px;
}

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

/* 量程条 */
.page-products .range-bar {
  margin-top: 48px;
}

.page-products .range-bar__track {
  position: relative;
  height: 42px;
  border-bottom: 1px solid var(--line);
}

.page-products .range-bar__fill {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--copper) 0%, var(--red) 55%, var(--red-deep) 100%);
}

.page-products .range-bar__tick {
  position: absolute;
  bottom: 0;
  display: grid;
  justify-items: center;
  transform: translateX(-50%);
}

.page-products .range-bar__tick i {
  display: block;
  width: 1px;
  height: 14px;
  background: var(--gray);
}

.page-products .range-bar__tick b {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--gray);
}

.page-products .range-bar__tick:nth-child(2) { left: 0; }
.page-products .range-bar__tick:nth-child(3) { left: 9.5%; }
.page-products .range-bar__tick:nth-child(4) { left: 26.2%; }
.page-products .range-bar__tick:nth-child(5) { left: 64.3%; }
.page-products .range-bar__tick:nth-child(6) { left: 100%; }

.page-products .range-bar__cap {
  margin: 14px 0 0;
  color: var(--gray);
}

/* ---------- S-06 备件仓网 ---------- */
.page-products .stock-split {
  margin-top: 32px;
  align-items: start;
}

.page-products .stock-body .lead {
  max-width: 52ch;
}

.page-products .stock-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: var(--pp-line);
}

.page-products .stock-step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: var(--pp-line);
}

.page-products .stock-step__n {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--copper);
  color: var(--copper);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-products .stock-step__t {
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

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

.page-products .wh-panel {
  margin-top: 44px;
  padding: var(--pp-pad);
  border: var(--pp-line);
  background: var(--panel);
}

.page-products .wh-panel__label {
  margin: 0 0 20px;
  color: var(--copper);
}

.page-products .wh-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  counter-reset: hub front;
}

.page-products .wh-grid__cell {
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  background: var(--panel-2);
  display: grid;
  place-items: end start;
  padding: 6px;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-products .wh-grid__cell::after {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-products .wh-grid__cell--hub {
  border-color: var(--copper);
  background: rgba(192, 138, 62, 0.09);
}

.page-products .wh-grid__cell--hub::after {
  counter-increment: hub;
  content: "H-" counter(hub, decimal-leading-zero);
  color: var(--copper);
}

.page-products .wh-grid__cell:not(.wh-grid__cell--hub)::after {
  counter-increment: front;
  content: "F-" counter(front, decimal-leading-zero);
}

.page-products .wh-grid__cell:hover {
  border-color: var(--copper);
  background: var(--panel);
}

.page-products .wh-panel__cap {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- S-07 开始诊断 ---------- */
.page-products .start-section {
  padding-bottom: clamp(56px, 8vw, 120px);
}

.page-products .start-panel {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  border-top: 3px solid var(--red);
  padding-top: clamp(28px, 4vw, 44px);
}

.page-products .start-panel__title {
  margin: 14px 0 0;
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--white);
}

.page-products .start-panel__lead {
  max-width: 56ch;
  margin: 18px 0 0;
}

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

.page-products .start-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pp-line);
}

.page-products .start-list__item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: var(--pp-line);
}

.page-products .start-list__k {
  color: var(--copper);
}

.page-products .start-list__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.page-products .start-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .start-note__link {
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
}

.page-products .start-note__link:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

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

  .page-products .gate-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .wh-grid {
    grid-template-columns: repeat(10, minmax(0, 1fr));
  }

  .page-products .start-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

@media (min-width: 900px) {
  .page-products .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .flow__node {
    padding: 40px 24px 0 0;
    border-bottom: none;
    border-top: var(--pp-line);
  }

  .page-products .flow__node::before {
    display: none;
  }

  .page-products .flow__node::after {
    left: 0;
    top: -5px;
    width: 9px;
    height: 9px;
    background: var(--copper);
    border: none;
  }

  .page-products .flow-side {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1180px) {
  .page-products .svc-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-card,
  .page-products .wh-grid__cell {
    transition: none;
  }
}
</main>