.page-products {
  --axis-col: 140px;
  --products-gap: 24px;
}

.page-products .page-head {
  padding-top: 132px;
  padding-bottom: 52px;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: 0.04em;
  color: var(--cold);
}

.page-products .breadcrumb a {
  color: var(--cold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease-path), border-color 180ms var(--ease-path);
}

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

.page-products .breadcrumb span[aria-current="page"] {
  color: var(--mist);
}

.page-products .head-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-products .head-lead h1 {
  margin: 14px 0 20px;
  max-width: 22ch;
  font-family: var(--font-heading);
  font-size: var(--fs-1);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--near-white);
}

.page-products .head-lead .lede {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-5);
  line-height: 1.75;
  color: var(--cold);
}

.page-products .head-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-products .head-metrics > div {
  padding: 18px 14px;
  background: var(--night);
}

.page-products .head-metrics dt {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: 0.04em;
  color: var(--violet);
}

.page-products .head-metrics dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-3);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--neon);
}

/* ---------- 左轴 + 右内容 ---------- */

.page-products .route-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-products .route-axis__inner {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-products .route-axis__label {
  display: none;
}

.page-products .route-axis__rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .route-axis__dot {
  flex: 0 0 auto;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--cold);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-chip);
  transition: color 180ms var(--ease-path), border-color 180ms var(--ease-path), background-color 180ms var(--ease-path);
}

.page-products .route-axis__dot.is-active {
  color: var(--void);
  background: var(--neon);
  border-color: var(--neon);
}

.page-products .route-axis__dot:hover {
  border-color: var(--neon);
  color: var(--mist);
}

.page-products .route-axis__dot.is-active:hover {
  color: var(--void);
}

/* ---------- 章节 ---------- */

.page-products .route-body {
  min-width: 0;
}

.page-products .route-section {
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.page-products .route-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .route-section__head {
  max-width: 68ch;
  margin-bottom: 32px;
}

.page-products .route-section__head h2 {
  margin: 12px 0 16px;
  font-family: var(--font-heading);
  font-size: var(--fs-2);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--near-white);
}

.page-products .route-section__head p {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.75;
  color: var(--cold);
}

.page-products .body-note {
  margin: 26px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--structure);
  font-size: var(--fs-6);
  line-height: 1.8;
  color: var(--cold);
}

.page-products .body-note a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 208, 0.35);
}

.page-products .body-note a:hover {
  border-bottom-color: var(--neon);
}

/* ---------- 图片框 ---------- */

.page-products .shot {
  margin: 30px 0 0;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

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

.page-products .shot figcaption {
  padding: 13px 18px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--violet);
}

/* ---------- 标签维度 ---------- */

.page-products .tag-dims {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.page-products .dim-card {
  padding: 20px 22px;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.page-products .dim-card__k {
  margin: 0 0 10px;
  font-size: var(--fs-7);
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-products .dim-card__v {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.7;
  color: var(--near-white);
}

/* ---------- 筛选演示 ---------- */

.page-products .filter-demo {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(150deg, var(--night), var(--void));
  box-shadow: var(--shadow-lift);
}

.page-products .filter-demo__title {
  margin: 0 0 16px;
  font-size: var(--fs-7);
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-products .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: 0.04em;
  color: var(--cold);
  background: rgba(23, 35, 61, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius-chip);
  transition: color 180ms var(--ease-path), border-color 180ms var(--ease-path), background-color 180ms var(--ease-path);
}

.page-products .chip[aria-pressed="true"] {
  color: var(--void);
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: var(--glow-neon);
}

.page-products .chip:hover {
  border-color: var(--neon);
  color: var(--mist);
}

.page-products .chip[aria-pressed="true"]:hover {
  color: var(--void);
}

.page-products .demo-list {
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-chip);
  overflow: hidden;
}

.page-products .demo-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 13px 16px;
  background: var(--void);
  font-size: var(--fs-6);
  color: var(--near-white);
}

.page-products .demo-list .mono {
  font-size: var(--fs-7);
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-products .demo-list__name {
  flex: 1 1 200px;
  min-width: 0;
}

.page-products .demo-list .tag {
  margin-left: auto;
}

/* ---------- 版本筛选 ---------- */

.page-products .version-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
  padding: 6px;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
}

.page-products .version-pill {
  flex: 1 1 auto;
  padding: 9px 14px;
  text-align: center;
  font-size: var(--fs-7);
  letter-spacing: 0.04em;
  color: var(--cold);
  border-radius: 6px;
  transition: color 180ms var(--ease-path), background-color 180ms var(--ease-path);
}

.page-products .version-pill.is-active {
  background: var(--neon);
  color: var(--void);
}

.page-products .version-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-products .version-track li {
  position: relative;
  padding: 20px 22px;
  background: var(--night);
}

.page-products .version-track li.is-active {
  background: linear-gradient(180deg, rgba(79, 227, 208, 0.12), rgba(12, 23, 48, 0) 72%), var(--night);
}

.page-products .version-track li.is-active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--neon);
  box-shadow: var(--glow-neon);
}

.page-products .version-track .mono {
  display: block;
  margin-bottom: 8px;
  font-size: var(--fs-6);
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-products .version-track p {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.7;
  color: var(--cold);
}

/* ---------- 资源列表 ---------- */

.page-products .resource-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .resource-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 20px;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  transition: border-color 180ms var(--ease-path), transform 180ms var(--ease-path);
}

.page-products .resource-item:hover,
.page-products .resource-item:focus-within {
  border-color: rgba(79, 227, 208, 0.4);
  transform: translateY(-2px);
}

.page-products .resource-item > .mono {
  font-size: var(--fs-7);
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-products .resource-item h3 {
  margin: 0;
  font-size: var(--fs-5);
  font-weight: 600;
  color: var(--near-white);
}

.page-products .resource-item p {
  margin: 6px 0 0;
  font-size: var(--fs-6);
  line-height: 1.7;
  color: var(--cold);
}

.page-products .resource-item .tag {
  justify-self: start;
}

/* ---------- 服务范围 ---------- */

.page-products .scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .scope-card {
  padding: 24px 22px;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.page-products .scope-card--changed {
  border-color: rgba(255, 138, 61, 0.38);
  background: linear-gradient(180deg, rgba(255, 138, 61, 0.07), rgba(12, 23, 48, 0) 62%), var(--night);
  box-shadow: var(--shadow-soft), var(--glow-signal);
}

.page-products .scope-card dl {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 18px 0 0;
}

.page-products .scope-card dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: 0.05em;
  color: var(--violet);
}

.page-products .scope-card dd {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.7;
  color: var(--near-white);
}

.page-products .scope-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-top: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(120deg, rgba(79, 227, 208, 0.07), rgba(6, 11, 24, 0) 70%), var(--night);
}

.page-products .scope-cta p {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.75;
  color: var(--cold);
}

.page-products .scope-cta .btn {
  justify-self: start;
}

/* ---------- 适用场景 ---------- */

.page-products .bento {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .bento-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.page-products .bento-k {
  margin: 0;
  font-size: var(--fs-7);
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-products .bento-block h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--fs-4);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--near-white);
}

.page-products .bento-block p {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.75;
  color: var(--cold);
}

.page-products .closing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 34px;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(140deg, rgba(79, 227, 208, 0.08), rgba(6, 11, 24, 0) 68%), var(--structure);
}

.page-products .closing__text h3 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: var(--fs-3);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--near-white);
}

.page-products .closing__text p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-6);
  line-height: 1.8;
  color: var(--cold);
}

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

.page-products .closing__actions .btn {
  flex: 1 1 auto;
  text-align: center;
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-products .tag-dims {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .version-bar {
    width: fit-content;
  }

  .page-products .version-pill {
    flex: 0 0 auto;
  }

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

  .page-products .resource-item {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
  }

  .page-products .resource-item .tag {
    margin-left: 0;
  }

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

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

  .page-products .bento > :nth-child(1) {
    grid-column: span 2;
  }

  .page-products .bento > :nth-child(2) {
    grid-column: span 1;
  }

  .page-products .bento > :nth-child(3) {
    grid-column: span 1;
  }

  .page-products .bento > :nth-child(4) {
    grid-column: span 2;
  }

  .page-products .closing {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
    padding: 32px 30px;
  }

  .page-products .closing__actions {
    justify-content: flex-end;
  }

  .page-products .closing__actions .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 860px) {
  .page-products .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .scope-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 26px 30px;
  }

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

@media (min-width: 1024px) {
  .page-products .page-head {
    padding-top: 148px;
    padding-bottom: 64px;
  }

  .page-products .head-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 64px;
    align-items: end;
  }

  .page-products .route-layout {
    grid-template-columns: var(--axis-col) minmax(0, 1fr);
    gap: 64px;
  }

  .page-products .route-axis__inner {
    position: sticky;
    top: 104px;
    padding: 0 0 0 22px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-products .route-axis__label {
    display: block;
    margin: 0 0 26px;
    font-size: var(--fs-7);
    letter-spacing: 0.08em;
    color: var(--violet);
  }

  .page-products .route-axis__rail {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 24px;
  }

  .page-products .route-axis__dot {
    position: relative;
    padding: 0;
    border: 0;
    border-radius: 0;
    font-size: var(--fs-7);
    color: var(--cold);
    white-space: normal;
  }

  .page-products .route-axis__dot::before {
    content: "";
    position: absolute;
    left: -27px;
    top: 0.6em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--structure);
    border: 1px solid var(--line);
    transition: background-color 180ms var(--ease-path), box-shadow 180ms var(--ease-path);
  }

  .page-products .route-axis__dot.is-active {
    color: var(--neon);
    background: none;
    border-color: transparent;
  }

  .page-products .route-axis__dot.is-active::before {
    background: var(--neon);
    box-shadow: var(--glow-neon);
  }

  .page-products .route-axis__dot:hover {
    color: var(--mist);
  }

  .page-products .route-axis__dot.is-active:hover {
    color: var(--neon);
  }

  .page-products .route-section {
    padding: 68px 0;
  }

  .page-products .version-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .chip,
  .page-products .resource-item,
  .page-products .route-axis__dot {
    transition: none;
  }

  .page-products .resource-item:hover,
  .page-products .resource-item:focus-within {
    transform: none;
  }
}