.page-products {
  --prod-panel: linear-gradient(168deg, rgba(19, 47, 76, .92), rgba(10, 30, 60, .96));
  --prod-card: linear-gradient(172deg, rgba(19, 47, 76, .82), rgba(14, 38, 67, .94));
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* 面包屑 */
.page-products .breadcrumbs {
  padding-top: clamp(16px, 2.4vw, 28px);
  font-size: 13px;
}
.page-products .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .breadcrumbs__list li {
  display: flex;
  align-items: center;
  color: var(--text-3);
}
.page-products .breadcrumbs__list li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--text-3);
  opacity: .55;
}
.page-products .breadcrumbs a {
  color: var(--text-3);
  text-decoration: none;
  transition: color var(--t-fast);
}
.page-products .breadcrumbs a:hover {
  color: var(--c-accent);
}

/* 页头 */
.page-products .prod-head {
  padding-block: clamp(24px, 3.6vw, 44px) clamp(26px, 3.6vw, 46px);
  border-bottom: 1px solid var(--line-1);
}
.page-products .prod-head .kicker {
  display: block;
  margin-bottom: 16px;
}
.page-products .prod-head h1 {
  margin: 0 0 20px;
  max-width: 20em;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--text-1);
}
.page-products .prod-head__lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: var(--text-2);
}
.page-products .prod-head__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .prod-head__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: rgba(19, 47, 76, .7);
}
.page-products .prod-head__facts .mono {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: -.01em;
}
.page-products .prod-head__facts span:last-child {
  font-size: 13px;
  color: var(--text-3);
}

/* 产品线卡片 */
.page-products .line-grid {
  margin-top: 28px;
}
.page-products .line-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}
.page-products .line-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--c-steel);
  opacity: .55;
}
.page-products .line-card__top {
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-products .line-card__code {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--text-3);
}
.page-products .line-card .card__title {
  margin: 0;
}
.page-products .line-card .card__body {
  margin: 0;
  line-height: 1.8;
}
.page-products .line-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-1);
}
.page-products .line-card__specs div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-products .line-card__specs dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-3);
}
.page-products .line-card__specs dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
}

/* 双节奏面板 */
.page-products .dual {
  display: grid;
  gap: var(--gap);
  margin-top: 28px;
}
.page-products .dual__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  background: var(--prod-panel);
  overflow: hidden;
}
.page-products .dual__panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  opacity: .12;
  pointer-events: none;
}
.page-products .dual__panel--ls {
  border-top: 3px solid var(--c-accent);
}
.page-products .dual__panel--ls::after {
  background: radial-gradient(circle, var(--c-accent), transparent 68%);
}
.page-products .dual__panel--mt {
  border-top: 3px solid var(--c-slate);
}
.page-products .dual__panel--mt::after {
  background: radial-gradient(circle, var(--c-slate), transparent 68%);
}
.page-products .dual__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}
.page-products .dual__head h3 {
  margin: 0;
  font-size: clamp(21px, 2.2vw, 27px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text-1);
}
.page-products .dual__intro {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-2);
}
.page-products .dual__panel .figure {
  margin: 0 0 22px;
}

/* 刻度列表 */
.page-products .scale {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.page-products .scale li {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-1);
}
.page-products .scale li:last-child {
  padding-bottom: 0;
}
.page-products .scale__val {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.3;
}
.page-products .scale--ls .scale__val {
  color: var(--c-accent);
}
.page-products .scale--mt .scale__val {
  color: var(--c-slate);
}
.page-products .scale__text h4 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
}
.page-products .scale__text p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-2);
}

/* 型号矩阵 */
.page-products .matrix-figure {
  margin: 28px 0 0;
}
.page-products .matrix-figure .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-3);
}

.page-products .filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-1);
}
.page-products .filterbar__btn.is-active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-ink);
  font-weight: 700;
}
.page-products .filterbar__status {
  flex: 1 1 100%;
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-3);
}

.page-products .matrix {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 78%);
  gap: var(--gap);
  margin-top: 22px;
  padding-bottom: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}
.page-products .matrix::-webkit-scrollbar {
  height: 6px;
}
.page-products .matrix::-webkit-scrollbar-thumb {
  background: var(--line-2);
  border-radius: var(--r-pill);
}

.page-products .mx-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  background: var(--prod-card);
  scroll-snap-align: start;
  transition: border-color var(--t-fast), transform var(--t-med);
}
.page-products .mx-card:hover {
  border-color: rgba(255, 107, 53, .45);
  transform: translateY(-3px);
}
.page-products .mx-card__code {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-amber);
}
.page-products .mx-card__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-1);
}
.page-products .mx-card__use {
  margin: 0;
  flex: 1;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-2);
}
.page-products .mx-card__specs {
  display: flex;
  gap: 22px;
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-1);
}
.page-products .mx-card__specs div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.page-products .mx-card__specs dt {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--text-3);
}
.page-products .mx-card__specs dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
}
.page-products .mx-card__bar {
  display: block;
  height: 4px;
  border-radius: var(--r-pill);
  opacity: .8;
}
.page-products .mx-card__bar--entry {
  background: linear-gradient(90deg, var(--c-slate), rgba(122, 139, 153, .15));
}
.page-products .mx-card__bar--pro {
  background: linear-gradient(90deg, var(--c-steel), rgba(44, 95, 138, .15));
}
.page-products .mx-card__bar--flag {
  background: linear-gradient(90deg, var(--c-accent), rgba(255, 107, 53, .12));
}
.page-products .mx-card .chip {
  align-self: flex-start;
}

/* 对照表 */
.page-products .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.page-products .table-scroll {
  margin-top: 26px;
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  background: rgba(19, 47, 76, .42);
  overflow-x: auto;
}
.page-products .cross-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .cross-table thead th {
  padding: 15px 18px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--text-3);
  background: rgba(10, 30, 60, .8);
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
.page-products .cross-table tbody th {
  padding: 18px;
  text-align: left;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  vertical-align: top;
  white-space: nowrap;
}
.page-products .cross-table tbody td {
  padding: 18px;
  vertical-align: top;
  color: var(--text-2);
  line-height: 1.7;
  border-bottom: 1px solid var(--line-1);
}
.page-products .cross-table tbody tr:last-child th,
.page-products .cross-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-products .cross-table tbody tr {
  transition: background var(--t-fast);
}
.page-products .cross-table tbody tr:hover {
  background: rgba(44, 95, 138, .18);
}
.page-products .cross-cell {
  position: relative;
}
.page-products .cross-cell__value {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: -.01em;
}
.page-products .cross-table tbody tr:nth-child(3) .cross-cell__value,
.page-products .cross-table tbody tr:nth-child(4) .cross-cell__value {
  color: var(--text-1);
}
.page-products tr:nth-child(1) .cross-cell:nth-of-type(2) .cross-cell__value,
.page-products tr:nth-child(2) .cross-cell:nth-of-type(1) .cross-cell__value {
  color: var(--c-slate);
}
.page-products .cross-cell__note {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--text-3);
}

/* 选型步骤 */
.page-products .steps {
  display: grid;
  gap: var(--gap);
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .steps__item {
  padding: 22px 20px;
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  background: rgba(19, 47, 76, .5);
}
.page-products .steps__idx {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--c-accent);
}
.page-products .steps__item h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-1);
}
.page-products .steps__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-2);
}

/* 支持入口 */
.page-products .support {
  display: grid;
  gap: var(--gap);
  margin-top: 22px;
}
.page-products .support .card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-products .support .card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}
.page-products .support .card p {
  margin: 0;
  flex: 1;
  font-size: 13.5px;
  line-height: 1.8;
}
.page-products .support .btn {
  align-self: flex-start;
}

/* 断点 */
@media (min-width: 720px) {
  .page-products .matrix {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 0;
  }
  .page-products .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .dual {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
  .page-products .filterbar__status {
    flex: 0 0 auto;
    margin: 0 0 0 auto;
  }
  .page-products .table-scroll {
    overflow: visible;
  }
  .page-products .cross-table {
    min-width: 0;
  }
  .page-products .cross-cell__note {
    position: absolute;
    left: 14px;
    top: calc(100% - 6px);
    width: 244px;
    margin: 0;
    padding: 10px 12px;
    border: 1px solid var(--line-2);
    border-radius: var(--r-sm);
    background: var(--c-ink-3);
    box-shadow: var(--shadow-1);
    color: var(--text-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
    pointer-events: none;
    z-index: 8;
  }
  .page-products .cross-cell:hover .cross-cell__note,
  .page-products .cross-cell:focus-within .cross-cell__note {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

@media (min-width: 1024px) {
  .page-products .matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .support {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .mx-card,
  .page-products .cross-cell__note {
    transition: none;
  }
  .page-products .mx-card:hover {
    transform: none;
  }
}
</main>