.page-products {
  --prod-gap: 20px;
  --prod-line: 1px solid var(--grid);
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .section[id] {
  scroll-margin-top: 96px;
}

/* 面包屑 */
.page-products .breadcrumbs {
  padding-top: 22px;
}

.page-products .breadcrumbs .container {
  display: block;
}

.page-products .breadcrumbs .crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.page-products .breadcrumbs a {
  color: var(--dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 140ms ease, border-color 140ms ease;
}

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

.page-products .breadcrumbs [aria-current="page"] {
  color: var(--text);
}

/* 版本浮标 */
.page-products .ver-dock {
  display: none;
}

.page-products .ver-dock-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--dim);
}

.page-products .ver-dock-num {
  margin: 5px 0 10px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .ver-dock-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--dim);
}

.page-products .ver-dock-item span:last-child {
  color: var(--text);
  font-weight: 600;
}

@media (min-width: 1460px) {
  .page-products .ver-dock {
    display: block;
    position: fixed;
    top: 140px;
    right: 20px;
    width: 112px;
    padding: 14px 12px;
    border: 1px solid var(--grid);
    border-top: 2px solid var(--orange);
    border-radius: var(--radius-sm);
    background: rgba(15, 23, 40, 0.94);
    backdrop-filter: blur(6px);
    box-shadow: var(--shadow-hard);
    z-index: 5;
  }
}

/* 首屏 */
.page-products .prod-hero {
  padding: 26px 0 12px;
}

.page-products .prod-hero-grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-products .prod-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 58px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .prod-hero-lead {
  margin: 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--dim);
}

.page-products .prod-hero .btn-row {
  margin-top: 24px;
}

.page-products .prod-hero-figure {
  margin: 0;
}

.page-products .prod-hero-figure .media-frame {
  position: relative;
  border: 1px solid var(--grid);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

.page-products .prod-hero-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-products .prod-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: var(--grid);
  border: var(--prod-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-products .prod-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding: 16px 18px;
  background: var(--panel);
}

.page-products .fact-num {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .fact-label {
  font-size: 12px;
  line-height: 1.6;
  color: var(--dim);
}

/* 终端选择台 */
.page-products .term-grid {
  display: grid;
  gap: var(--prod-gap);
  margin-top: 30px;
}

.page-products .term-card {
  position: relative;
  padding: 24px 20px 20px;
  border: var(--prod-line);
  border-radius: var(--radius-md);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(162, 75, 255, 0.1), transparent 55%),
    var(--panel);
  box-shadow: var(--shadow-hard);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-products .term-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 24px;
  height: 24px;
  border-top: 2px solid var(--orange);
  border-left: 2px solid var(--orange);
  border-top-left-radius: var(--radius-md);
  pointer-events: none;
}

.page-products .term-card:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
}

.page-products .term-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-products .term-os {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .term-desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dim);
}

.page-products .term-spec {
  margin: 0;
  padding: 0;
}

.page-products .term-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0;
  border-top: 1px dashed var(--grid);
}

.page-products .term-row:first-child {
  border-top-style: solid;
}

.page-products .term-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--dim);
  white-space: nowrap;
}

.page-products .term-val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* 安装 */
.page-products .install-layout {
  display: grid;
  gap: 30px;
  margin-top: 30px;
}

.page-products .step-list,
.page-products .region-list,
.page-products .aside-list,
.page-products .phase-list,
.page-products .use-tags {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step {
  position: relative;
  padding: 0 0 28px 56px;
}

.page-products .step::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 38px;
  bottom: 1px;
  width: 1px;
  background: linear-gradient(180deg, var(--grid), rgba(27, 39, 64, 0.15));
}

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

.page-products .step:last-child::after {
  display: none;
}

.page-products .step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: var(--prod-line);
  border-radius: 50%;
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .step-title {
  margin: 5px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--dim);
}

.page-products .install-aside {
  padding: 22px 20px;
  border: var(--prod-line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .aside-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .aside-list {
  display: grid;
  gap: 10px;
}

.page-products .aside-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--dim);
}

.page-products .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.page-products .aside-note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--dim);
}

.page-products .aside-note a,
.page-products .panel-more a {
  color: var(--info);
}

/* 赛区 */
.page-products .region-layout {
  display: grid;
  gap: 30px;
  align-items: center;
  margin-top: 30px;
}

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

.page-products .region-figure .media-frame {
  border: var(--prod-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

.page-products .region-list {
  display: grid;
  gap: 14px;
}

.page-products .region-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-products .region-idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--purple);
}

.page-products .region-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .region-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--grid);
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.78;
  color: var(--dim);
}

/* 适配清单 */
.page-products .checklist-layout {
  display: grid;
  gap: 28px;
  align-items: start;
  margin-top: 30px;
}

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

.page-products .checklist-figure .media-frame {
  border: var(--prod-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-products .checklist-table-wrap {
  overflow-x: auto;
  border: var(--prod-line);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.page-products .check-table {
  width: 100%;
  min-width: 430px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .check-caption {
  caption-side: top;
  padding: 14px 16px 4px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.page-products .check-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--dim);
  border-bottom: var(--prod-line);
  white-space: nowrap;
}

.page-products .check-table tbody th,
.page-products .check-table tbody td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: middle;
  border-bottom: var(--prod-line);
}

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

.page-products .check-table tbody th {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.page-products .check-table tbody td {
  line-height: 1.6;
  color: var(--dim);
}

.page-products .check-table tbody tr:hover {
  background: rgba(255, 106, 26, 0.05);
}

.page-products .st {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal);
  white-space: nowrap;
}

.page-products .st::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(43, 227, 198, 0.16);
}

.page-products .st--warn {
  color: var(--amber);
}

.page-products .st--warn::before {
  box-shadow: 0 0 0 3px rgba(255, 201, 77, 0.16);
}

.page-products .phase-list {
  display: grid;
  gap: 1px;
  margin: 34px 0 0;
  background: var(--grid);
  border: var(--prod-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-products .phase {
  padding: 22px 18px;
  background: var(--panel);
}

.page-products .phase-num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--purple);
}

.page-products .phase-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .phase p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--dim);
}

/* 数据面板使用场景 */
.page-products .use-grid {
  display: grid;
  gap: var(--prod-gap);
  margin-top: 30px;
}

.page-products .use-card {
  padding: 22px 20px;
  border: var(--prod-line);
  border-left: 3px solid var(--purple);
  border-radius: var(--radius-sm);
  background: var(--panel);
  transition: transform 160ms ease;
}

.page-products .use-card--live {
  border-left-color: var(--orange);
}

.page-products .use-card--post {
  border-left-color: var(--teal);
}

.page-products .use-card:hover {
  transform: translateY(-4px);
}

.page-products .use-tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 10px;
  border: var(--prod-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

.page-products .use-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .use-card p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dim);
}

.page-products .use-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .use-tags li {
  padding: 4px 9px;
  border: 1px solid rgba(162, 75, 255, 0.35);
  border-radius: var(--radius-xs);
  background: rgba(162, 75, 255, 0.12);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text);
  white-space: nowrap;
}

.page-products .use-card--live .use-tags li {
  border-color: rgba(255, 106, 26, 0.35);
  background: rgba(255, 106, 26, 0.12);
}

.page-products .use-card--post .use-tags li {
  border-color: rgba(43, 227, 198, 0.32);
  background: rgba(43, 227, 198, 0.1);
}

.page-products .panel-figure {
  margin: 34px 0 0;
}

.page-products .panel-figure .media-frame {
  border: var(--prod-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

.page-products .panel-more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
}

/* 版本与历史说明 */
.page-products .version-layout {
  display: grid;
  gap: 30px;
  align-items: center;
  margin-top: 30px;
}

.page-products .version-copy p {
  max-width: 42em;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--dim);
}

.page-products .version-copy p:last-child {
  margin-bottom: 0;
}

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

.page-products .version-figure .media-frame {
  border: var(--prod-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

.page-products .history-entry {
  display: grid;
  gap: 20px;
  margin-top: 34px;
  padding: 24px 22px;
  border: var(--prod-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(255, 106, 26, 0.12), rgba(162, 75, 255, 0.12) 60%, transparent),
    var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .history-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .history-copy p {
  max-width: 46em;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--dim);
}

/* 响应式 */
@media (min-width: 760px) {
  .page-products .prod-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-products .use-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .history-entry {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 920px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 44px;
  }

  .page-products .term-grid {
    grid-template-columns: 1.16fr 1fr 0.84fr;
    align-items: start;
  }

  .page-products .term-card:nth-child(2) {
    margin-top: 24px;
  }

  .page-products .term-card:nth-child(3) {
    margin-top: 48px;
  }

  .page-products .install-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .region-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 40px;
  }

  .page-products .checklist-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 36px;
  }

  .page-products .version-layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 40px;
  }
}

@media (min-width: 1020px) {
  .page-products .phase-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

  .page-products .term-card:hover,
  .page-products .use-card:hover {
    transform: none;
  }
}