/* ===== 平台与版本页 · page-products ===== */

.page-products .prod-head {
  padding: 40px 0 56px;
}

.page-products .breadcrumbs {
  margin-bottom: 28px;
}

.page-products .prod-kicker {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-products h1 {
  margin: 0 0 24px;
  max-width: 17em;
  font-size: 40px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .prod-lede {
  margin: 0 0 40px;
  max-width: 44em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* --- 首屏版本条 --- */
.page-products .prod-version-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .prod-version-bar > li {
  display: flex;
  flex: 1 1 180px;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background: var(--white);
}

.page-products .prod-version-bar > li:first-child {
  background: var(--signal-050);
}

.page-products .prod-vnum {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--signal);
}

.page-products .prod-version-bar > li:not(:first-child) .prod-vnum {
  color: var(--ink-700);
}

.page-products .prod-vstate {
  font-size: 13px;
  color: var(--cold);
}

/* --- 章节通用 --- */
.page-products .prod-section {
  padding-bottom: 72px;
}

.page-products .prod-section > .container,
.page-products .prod-cta > .container {
  border-top: 1px solid var(--line);
  padding-top: 56px;
}

.page-products .sec-num {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-products h2 {
  margin: 0 0 16px;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .prod-sub {
  margin: 0 0 32px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .prod-sub .mono {
  color: var(--signal);
  font-weight: 700;
}

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

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

.page-products .matrix-figure {
  margin-bottom: 28px;
}

/* --- 01 版本谱系 --- */
.page-products .lineage {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .lineage-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.page-products .lineage-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .lineage-tag {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--signal);
}

.page-products .lineage-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-products .lineage-body p {
  margin: 0;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--cold);
}

.page-products .lineage-body a,
.page-products .step-body a,
.page-products .pick-note a {
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-products .lineage-body a:hover,
.page-products .step-body a:hover,
.page-products .pick-note a:hover {
  color: var(--signal);
}

/* --- 02 版本号 --- */
.page-products .vernum-grid {
  align-items: start;
  gap: 48px;
}

.page-products .vernum-grid .prod-sub {
  margin-bottom: 24px;
}

.page-products .vernum-list {
  margin: 0;
  padding: 0;
}

.page-products .vernum-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-products .vernum-row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .vernum-part {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--signal);
}

.page-products .vernum-row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--cold);
}

.page-products .vernum-row dd strong {
  font-weight: 700;
  color: var(--text);
}

.page-products .vernum-figure {
  margin-bottom: 0;
}

/* --- 03 能力对照表 --- */
.page-products .spec-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--white);
  -webkit-overflow-scrolling: touch;
}

.page-products .spec-scroll:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-products .spec-table {
  width: 100%;
  min-width: 880px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14.5px;
}

.page-products .spec-caption {
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--cold);
  text-align: left;
  caption-side: top;
}

.page-products .spec-table th,
.page-products .spec-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
  text-align: left;
  vertical-align: top;
}

.page-products .spec-table thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--ink-700);
  border-bottom: 1px solid var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  white-space: nowrap;
}

.page-products .spec-table thead th:first-child {
  left: 0;
  z-index: 4;
  background: var(--ink-900);
}

.page-products .spec-table tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--white);
  box-shadow: 1px 0 0 var(--line);
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.page-products .spec-table tbody td {
  background: var(--white);
  color: var(--cold);
}

.page-products .spec-table tbody tr:nth-child(even) th,
.page-products .spec-table tbody tr:nth-child(even) td {
  background: var(--blue-050);
}

.page-products .spec-table tbody tr:hover th,
.page-products .spec-table tbody tr:hover td {
  background: var(--signal-050);
  color: var(--text);
}

/* --- 04 部署 --- */
.page-products .deploy-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-products .deploy-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .deploy-name {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--signal);
}

.page-products .deploy-scene {
  margin: 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--cold);
}

.page-products .deploy-foot {
  margin: 24px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cold);
}

/* --- 05 选型三步 --- */
.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.page-products .step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .step-num {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--signal);
}

.page-products .step-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-products .step-body p {
  margin: 0;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--cold);
}

.page-products .pick-note {
  margin: 28px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cold);
}

/* --- 06 实施与服务 --- */
.page-products .impl-grid {
  align-items: start;
  gap: 48px;
}

.page-products .impl-grid .prod-sub {
  margin-bottom: 24px;
}

.page-products .impl-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .impl-list li {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--cold);
}

.page-products .impl-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .impl-when {
  padding-top: 3px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--signal);
}

.page-products .impl-after {
  margin: 24px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cold);
}

.page-products .impl-aside {
  padding: 28px 24px;
  border: 1px solid var(--line);
  background: var(--blue-050);
}

.page-products .impl-aside-k {
  margin: 0 0 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cold);
}

.page-products .impl-facts {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .impl-facts li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-products .impl-facts li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .impl-num {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--signal);
}

.page-products .impl-facts li span:last-child {
  font-size: 14px;
  line-height: 1.6;
  color: var(--cold);
}

.page-products .impl-aside-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--cold);
}

/* --- 收尾 --- */
.page-products .prod-cta {
  padding-bottom: 96px;
}

.page-products .prod-cta h2 {
  margin-bottom: 16px;
}

.page-products .prod-cta-text {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-products .prod-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

/* ===== 响应式 ===== */
@media (min-width: 720px) {
  .page-products .deploy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }
}

@media (min-width: 900px) {
  .page-products .steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .step {
    display: block;
    padding: 28px 24px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .page-products .step:last-child {
    border-right: 1px solid var(--line);
  }

  .page-products .step-num {
    display: block;
    margin-bottom: 12px;
  }

  .page-products .step-body p {
    max-width: none;
  }
}

@media (max-width: 719px) {
  .page-products .prod-head {
    padding: 28px 0 40px;
  }

  .page-products h1 {
    font-size: 30px;
  }

  .page-products h2 {
    font-size: 22px;
  }

  .page-products .prod-lede {
    font-size: 16px;
    margin-bottom: 32px;
  }

  .page-products .prod-section {
    padding-bottom: 56px;
  }

  .page-products .prod-section > .container,
  .page-products .prod-cta > .container {
    padding-top: 40px;
  }

  .page-products .prod-version-bar > li {
    flex: 1 1 100%;
  }

  .page-products .lineage-item,
  .page-products .vernum-row,
  .page-products .step,
  .page-products .impl-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-products .lineage-tag {
    font-size: 18px;
  }

  .page-products .vernum-part {
    font-size: 20px;
  }

  .page-products .step-num {
    font-size: 20px;
  }

  .page-products .impl-facts li {
    grid-template-columns: 80px minmax(0, 1fr);
  }

  .page-products .vernum-grid,
  .page-products .impl-grid {
    gap: 32px;
  }

  .page-products .prod-cta {
    padding-bottom: 64px;
  }
}