.page-products {
  --p-line: 1px solid var(--c-grid);
}

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: clamp(16px, 3vw, 26px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-products .breadcrumb a {
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--step) var(--ease), color var(--step) var(--ease);
}

.page-products .breadcrumb a:hover {
  color: var(--c-red);
  border-bottom-color: var(--c-orange);
}

.page-products :focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

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

.page-products .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-slate);
}

/* 首屏 */
.page-products .products-hero {
  position: relative;
  overflow: hidden;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(125deg, rgba(27, 58, 92, 0.1) 0%, rgba(216, 6, 33, 0.07) 52%, rgba(63, 191, 168, 0.13) 100%);
  pointer-events: none;
}

.page-products .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-products .hero-copy .display {
  margin: 14px 0 18px;
}

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

.page-products .hero-stats {
  position: relative;
  margin: clamp(30px, 4vw, 48px) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-grid);
  border: 1px solid var(--c-grid);
}

.page-products .hero-stats__item {
  background: var(--c-white);
  padding: clamp(16px, 2.4vw, 26px);
}

.page-products .hero-stats dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-products .hero-stats dd {
  margin: 10px 0 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-products .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 500;
  line-height: 1;
  color: var(--c-blue);
}

.page-products .stat-unit {
  font-size: 13px;
  color: var(--c-slate);
}

/* 资料分类 */
.page-products .lib-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: end;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-products .lib-head__mark img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .lib-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.95);
  border-top: var(--p-line);
  border-bottom: var(--p-line);
  backdrop-filter: blur(10px);
}

.page-products .lib-bar__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  overflow-x: auto;
}

.page-products .lib-bar__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-products .lib-filter {
  display: flex;
  flex: none;
  gap: 8px;
}

.page-products .lib-filter .filter-btn {
  flex: none;
  padding: 8px 12px;
  border: 1px solid var(--c-grid);
  border-radius: 0;
  background: transparent;
  color: var(--c-slate);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--step) var(--ease), background var(--step) var(--ease), border-color var(--step) var(--ease);
}

.page-products .lib-filter .filter-btn:hover {
  color: var(--c-blue);
  border-color: var(--c-blue);
}

.page-products .lib-filter .filter-btn[aria-pressed="true"] {
  color: var(--c-white);
  background: var(--c-red);
  border-color: var(--c-red);
}

.page-products .lib-list {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  border-top: var(--p-line);
}

.page-products .lib-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 0;
  border-bottom: var(--p-line);
  transition: background var(--step) var(--ease), transform var(--step) var(--ease), box-shadow var(--step) var(--ease);
}

.page-products .lib-row__code {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-slate);
}

.page-products .lib-row__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-blue);
  line-height: 1.4;
}

.page-products .lib-row__fit {
  font-size: 13px;
  color: var(--c-slate);
}

.page-products .lib-tag {
  justify-self: start;
  padding: 5px 10px;
  border-left: 3px solid var(--c-red);
  background: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-ink);
}

.page-products .lib-tag--driver { border-color: var(--c-red); }
.page-products .lib-tag--tool { border-color: var(--c-aurora); }
.page-products .lib-tag--whitepaper { border-color: var(--c-blue); }
.page-products .lib-tag--config { border-color: var(--c-blue-mid); }
.page-products .lib-tag--compliance { border-color: var(--c-slate); }

.page-products .lib-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-products .lib-note a {
  color: var(--c-red);
  text-decoration: none;
  border-bottom: 1px solid var(--c-grid);
}

.page-products .lib-note a:hover {
  border-bottom-color: var(--c-orange);
}

/* 服务清单 */
.page-products .cov-head {
  max-width: 780px;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .cov-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.page-products .cov-list {
  border-top: var(--p-line);
}

.page-products .region {
  border-bottom: var(--p-line);
}

.page-products .region__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-products .region__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-red);
}

.page-products .region[open] .region__summary::after {
  content: "–";
}

.page-products .region__code {
  font-size: 12px;
  color: var(--c-slate);
}

.page-products .region__name {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-blue);
  transition: color var(--step) var(--ease);
}

.page-products .region__summary:hover .region__name {
  color: var(--c-red);
}

.page-products .region__count {
  margin-left: auto;
  font-size: 12px;
  color: var(--c-slate);
}

.page-products .region__body {
  padding: 0 0 22px;
}

.page-products .region__provinces {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink);
}

.page-products .region__cities {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-products .region__support {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-aurora);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-products .cov-aside__note {
  margin-top: 26px;
  padding-top: 22px;
  border-top: var(--p-line);
}

.page-products .cov-steps {
  list-style: none;
  margin: 16px 0 22px;
  padding: 0;
}

.page-products .cov-steps li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-grid);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-products .cov-steps .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-red);
}

/* 下载路径 */
.page-products .paths-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-products .paths-intro .figure--flow {
  margin: clamp(24px, 3vw, 36px) 0 0;
}

.page-products .path-rail {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 0 24px;
  border-left: 1px solid var(--c-grid);
}

.page-products .path-step {
  position: relative;
  padding: 0 0 30px;
}

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

.page-products .path-step::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--c-red);
}

.page-products .path-step__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-products .path-step h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  color: var(--c-blue);
}

.page-products .path-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
}

/* 设备适配 */
.page-products .devices-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

.page-products .devices-intro .figure {
  margin: clamp(24px, 3vw, 34px) 0 0;
}

.page-products .device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-grid);
  border: 1px solid var(--c-grid);
}

.page-products .device {
  background: var(--c-white);
  padding: 20px;
  transition: background var(--step) var(--ease);
}

.page-products .device:hover {
  background: var(--c-mist);
}

.page-products .device__code {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-red);
}

.page-products .device__name {
  margin: 10px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-blue);
}

.page-products .device__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-slate);
}

/* 上新节奏 */
.page-products .cadence {
  background: linear-gradient(140deg, var(--c-navy) 0%, #172a3d 45%, var(--c-red-deep) 100%);
  color: var(--c-white);
}

.page-products .cadence .eyebrow {
  color: rgba(255, 255, 255, 0.75);
}

.page-products .cadence .display {
  color: var(--c-white);
}

.page-products .cadence .lede {
  color: rgba(255, 255, 255, 0.82);
  max-width: 780px;
}

.page-products .cadence-stats {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.page-products .cadence-stats > div {
  background: rgba(14, 34, 51, 0.56);
  padding: clamp(20px, 3vw, 30px);
}

.page-products .cadence-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1;
  color: var(--c-white);
}

.page-products .cadence-cap {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.72);
}

.page-products .cadence-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-products .cadence-note a {
  color: var(--c-white);
  text-decoration: none;
  border-bottom: 2px solid var(--c-orange);
}

.page-products .cadence-note a:hover {
  color: var(--c-orange);
}

/* 需求提交 */
.page-products .request-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.page-products .request-intro {
  max-width: 620px;
}

.page-products .req-list {
  list-style: none;
  counter-reset: req;
  margin: 0;
  padding: 0;
  border-top: var(--p-line);
}

.page-products .req-list li {
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: var(--p-line);
}

.page-products .req-list li::before {
  counter-increment: req;
  content: counter(req, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-red);
}

.page-products .req-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-blue);
}

.page-products .req-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-slate);
}

/* 收尾 */
.page-products .cta-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 3px solid var(--c-red);
}

.page-products .cta-band .muted {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-products .cta-band .muted a {
  color: var(--c-red);
  text-decoration: none;
  border-bottom: 1px solid var(--c-grid);
}

.page-products .cta-band .muted a:hover {
  border-bottom-color: var(--c-orange);
}

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

@media (min-width: 700px) {
  .page-products .device-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .lib-row {
    grid-template-columns: 100px minmax(0, 1.3fr) minmax(0, 1fr) 130px;
    align-items: center;
    gap: 20px;
    padding: 18px 14px;
  }

  .page-products .lib-row:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lift);
    background: var(--c-white);
  }

  .page-products .lib-tag {
    justify-self: end;
  }
}

@media (min-width: 980px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

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

  .page-products .cov-aside {
    position: sticky;
    top: 88px;
  }

  .page-products .paths-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .devices-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-products .request-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

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

  .page-products .cta-band__actions {
    justify-self: end;
  }
}