.page-products {
  --prod-card-w: 300px;
  --prod-hair: 1px;
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--slate);
}

.page-products .crumbs a {
  color: var(--xq-ink);
  text-decoration: none;
  border-bottom: var(--prod-hair) solid transparent;
  transition: border-color var(--dur) var(--ease);
}

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

/* ---------- 首屏声明 ---------- */
.page-products .prod-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 26px 0 40px;
  border-bottom: var(--prod-hair) solid var(--line);
}

.page-products .prod-head .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--xq-ink);
}

.page-products .prod-head .page-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(28px, 6vw, 54px);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .page-lead {
  margin: 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--slate);
}

.page-products .prod-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 章节锚点导航 ---------- */
.page-products .prod-anchor {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: var(--prod-hair) solid var(--line);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-products .prod-anchor::-webkit-scrollbar {
  display: none;
}

.page-products .prod-anchor .anchor-link {
  flex: 0 0 auto;
  padding: 14px 16px;
  margin-bottom: -1px;
  font-size: 14px;
  font-weight: 600;
  color: var(--slate);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .prod-anchor .anchor-link:hover {
  color: var(--xq-deep);
}

.page-products .prod-anchor .anchor-link[aria-current="true"] {
  color: var(--xq-deep);
  border-bottom-color: var(--xq);
}

/* ---------- 通用区块 ---------- */
.page-products .prod-section {
  padding: 52px 0;
  border-bottom: var(--prod-hair) solid var(--line);
}

.page-products .prod-section:last-of-type {
  border-bottom: 0;
  padding-bottom: 64px;
}

.page-products .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 18px;
  margin-bottom: 30px;
}

.page-products .section-head .section-num {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--xq);
  border: var(--prod-hair) solid var(--xq-light);
  border-radius: var(--radius);
}

.page-products .section-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 01 能力模块 ---------- */
.page-products .prod-modules {
  border-top: var(--prod-hair) solid var(--line);
}

.page-products .prod-module {
  border-bottom: var(--prod-hair) solid var(--line);
}

.page-products .prod-module > summary {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto 20px;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-products .prod-module > summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-module__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--slate);
}

.page-products .prod-module__title {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.page-products .prod-module > summary:hover .prod-module__title {
  color: var(--xq);
}

.page-products .prod-module__tag {
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--xq-ink);
  white-space: nowrap;
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-module > summary::after {
  content: "+";
  grid-column: 4;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--xq);
  text-align: center;
}

.page-products .prod-module[open] > summary::after {
  content: "−";
}

.page-products .prod-module__panel {
  padding: 0 0 22px 50px;
}

.page-products .prod-module__panel p {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-products .prod-float {
  margin-top: 28px;
  padding: 22px 24px;
  background: var(--paper);
  border: var(--prod-hair) solid var(--xq-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .prod-float:hover {
  transform: translateY(-2px);
  border-color: var(--xq);
  box-shadow: var(--shadow-2);
}

.page-products .prod-float__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--grape);
}

.page-products .prod-float__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .prod-float__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--xq-ink);
  text-decoration: none;
  border-bottom: var(--prod-hair) solid var(--xq-light);
  transition: border-color var(--dur) var(--ease);
}

.page-products .prod-float__link:hover {
  border-bottom-color: var(--xq);
}

/* ---------- 02 检索与筛选 ---------- */
.page-products .prod-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-products .prod-search__text > p {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .prod-steps {
  counter-reset: prodstep;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  border-top: var(--prod-hair) solid var(--line);
}

.page-products .prod-steps li {
  counter-increment: prodstep;
  position: relative;
  padding: 15px 0 15px 44px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  border-bottom: var(--prod-hair) solid var(--line);
}

.page-products .prod-steps li::before {
  content: counter(prodstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--xq);
}

.page-products .aside-note {
  margin: 0;
  padding: 14px 0 14px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  border-left: 2px solid var(--xq-light);
}

.page-products .prod-search__media {
  margin: 0;
}

.page-products .prod-search__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--sand-light);
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-search__media figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 03 案例归档 ---------- */
.page-products .prod-archive-lead {
  margin: 0 0 28px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-products .prod-axes-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 32px;
  padding: 22px 22px;
  background: var(--sand-light);
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-axes {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
}

.page-products .prod-axes line {
  stroke: var(--xq);
  stroke-width: 1.2;
  fill: none;
}

.page-products .prod-axes circle {
  fill: var(--paper);
  stroke: var(--xq);
  stroke-width: 1.2;
}

.page-products .prod-axes circle.is-accent {
  fill: var(--grape);
  stroke: var(--grape);
}

.page-products .prod-axes text {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--slate);
}

.page-products .prod-axes-wrap .aside-note {
  border-left-color: var(--xq);
}

.page-products .prod-rail {
  display: flex;
  gap: 18px;
  padding: 4px 0 18px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--xq) var(--line);
}

.page-products .prod-rail::-webkit-scrollbar {
  height: 4px;
}

.page-products .prod-rail::-webkit-scrollbar-track {
  background: var(--line);
  border-radius: 2px;
}

.page-products .prod-rail::-webkit-scrollbar-thumb {
  background: var(--xq);
  border-radius: 2px;
}

.page-products .prod-card {
  flex: 0 0 clamp(240px, 72vw, var(--prod-card-w));
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .prod-card:hover {
  transform: translateY(-2px);
  border-color: var(--xq);
  box-shadow: var(--shadow-1);
}

.page-products .prod-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--sand-light);
  border-bottom: var(--prod-hair) solid var(--line);
}

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

.page-products .prod-card__media--geo {
  background-color: var(--sand-light);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 33.33%, 25% 100%;
}

.page-products .prod-card__media--geo::after {
  content: "";
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 54px;
  height: 54px;
  border: 1.5px solid var(--xq);
  border-radius: 50%;
  opacity: .85;
}

.page-products .prod-card__media--geo.is-b::after {
  left: 22px;
  right: auto;
  border-radius: 2px;
  border-color: var(--grape);
}

.page-products .prod-card__media--geo.is-c::after {
  width: 70px;
  height: 70px;
  right: 18px;
  bottom: 18px;
  border-style: dashed;
  border-color: var(--xq-ink);
}

.page-products .prod-card__batch {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--paper);
  background: var(--xq-deep);
  border-radius: 2px;
}

.page-products .prod-card__body {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
}

.page-products .prod-card__kind {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--xq-ink);
}

.page-products .prod-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .prod-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .prod-card__meta {
  margin: auto 0 0;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  border-top: var(--prod-hair) solid var(--line);
}

.page-products .prod-rail-hint {
  margin: 0;
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 04 版本对照 ---------- */
.page-products .prod-version-figure {
  margin: 0 0 30px;
}

.page-products .prod-version-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--paper);
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-version-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .prod-table-wrap {
  overflow-x: auto;
  background: var(--paper);
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: var(--prod-hair) solid var(--line);
}

.page-products .prod-table thead th {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--slate);
  white-space: nowrap;
  background: var(--sand-light);
  border-bottom: var(--prod-hair) solid var(--ink);
}

.page-products .prod-table tbody tr {
  transition: background-color var(--dur) var(--ease);
}

.page-products .prod-table tbody tr:hover {
  background: var(--sand-light);
}

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

.page-products .prod-table tr.is-v4 td {
  background: var(--sand-light);
}

.page-products .prod-table tr.is-v4 td:first-child {
  box-shadow: inset 3px 0 0 var(--xq);
}

.page-products .prod-table td.is-ver {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--xq-deep);
  white-space: nowrap;
}

.page-products .prod-table td.is-share {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .prod-table td.is-node {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--slate);
  white-space: nowrap;
}

.page-products .prod-table-note {
  margin: 18px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-products .prod-table-note a {
  color: var(--xq-ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: var(--prod-hair) solid var(--xq-light);
}

.page-products .prod-table-note a:hover {
  border-bottom-color: var(--xq);
}

/* ---------- 05 典型场景 ---------- */
.page-products .prod-scene-figure {
  margin: 0 0 30px;
}

.page-products .prod-scene-figure img {
  display: block;
  width: 100%;
  max-width: 720px;
  height: auto;
  object-fit: cover;
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-scenes {
  border-top: var(--prod-hair) solid var(--line);
}

.page-products .prod-scene {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 22px 0;
  border-bottom: var(--prod-hair) solid var(--line);
}

.page-products .prod-scene__label {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .prod-scene__label span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--xq);
}

.page-products .prod-scene__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 06 开始使用 ---------- */
.page-products .prod-start {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 32px 22px;
  background: linear-gradient(155deg, var(--sand-light) 0%, var(--sand) 100%);
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-start .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--xq-ink);
}

.page-products .prod-start h2 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.32;
  color: var(--ink);
}

.page-products .prod-start > .prod-start__main > p {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .prod-start ol {
  counter-reset: prodstart;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-products .prod-start ol li {
  counter-increment: prodstart;
  position: relative;
  padding: 12px 0 12px 40px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  border-top: var(--prod-hair) solid rgba(20, 23, 26, .12);
}

.page-products .prod-start ol li::before {
  content: counter(prodstart);
  position: absolute;
  left: 0;
  top: 12px;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--paper);
  background: var(--xq-deep);
  border-radius: 50%;
}

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

.page-products .prod-start__aside {
  padding: 20px 22px;
  background: rgba(251, 250, 247, .74);
  border: var(--prod-hair) solid var(--line);
  border-radius: var(--radius);
}

.page-products .prod-start__aside p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .prod-start__aside p:last-child {
  margin-bottom: 0;
}

.page-products .prod-start__aside a {
  color: var(--xq-ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: var(--prod-hair) solid var(--xq);
}

/* ---------- 响应式 ---------- */
@media (max-width: 639px) {
  .page-products .prod-module > summary {
    grid-template-columns: 30px minmax(0, 1fr) 18px;
    gap: 12px;
  }

  .page-products .prod-module__tag {
    display: none;
  }

  .page-products .prod-module > summary::after {
    grid-column: 3;
  }

  .page-products .prod-module__panel {
    padding-left: 42px;
  }

  .page-products .prod-head .page-title {
    font-size: 28px;
  }
}

@media (min-width: 760px) {
  .page-products .prod-axes-wrap {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    align-items: center;
    column-gap: 32px;
    padding: 26px 30px;
  }

  .page-products .prod-scene {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    align-items: baseline;
    column-gap: 48px;
    padding: 26px 0;
  }

  .page-products .prod-scene:nth-child(even) {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
  }

  .page-products .prod-scene:nth-child(even) .prod-scene__label {
    order: 2;
  }

  .page-products .prod-scene:nth-child(even) .prod-scene__text {
    order: 1;
  }
}

@media (min-width: 900px) {
  .page-products .prod-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 56px;
    row-gap: 24px;
    padding: 44px 0 60px;
  }

  .page-products .prod-head .eyebrow {
    grid-column: 1 / -1;
  }

  .page-products .prod-head__left {
    grid-column: 1;
  }

  .page-products .prod-head__right {
    grid-column: 2;
  }

  .page-products .prod-search {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    column-gap: 56px;
  }
}

@media (min-width: 960px) {
  .page-products .prod-modules-wrap {
    display: grid;
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    align-items: start;
    column-gap: 56px;
  }

  .page-products .prod-float {
    margin-top: 0;
  }

  .page-products .prod-start {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    column-gap: 56px;
    padding: 48px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-card,
  .page-products .prod-float,
  .page-products .prod-module__title,
  .page-products .prod-anchor .anchor-link,
  .page-products .prod-table tbody tr {
    transition: none;
  }

  .page-products .prod-card:hover,
  .page-products .prod-float:hover {
    transform: none;
  }
}