.page-products {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-products .prod-wrap,
.page-products .prod-hero__inner {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 面包屑 */
.page-products .breadcrumb {
  max-width: var(--max);
  margin-inline: auto;
  padding: 20px var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--taupe);
}
.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--bronze);
}
.page-products .breadcrumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--bronze-pale);
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* 通用小标签 */
.page-products .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--cinnabar);
}
.page-products .eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--bronze);
}

/* 区块标题 */
.page-products .prod-section-head {
  max-width: 44em;
  margin-bottom: clamp(24px, 3.5vw, 40px);
}
.page-products .prod-section-head h2 {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
}
.page-products .prod-section-head p:last-child {
  margin: 0;
  max-width: 40em;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 首屏 */
.page-products .prod-hero {
  padding: 14px 0 clamp(40px, 6vw, 76px);
}
.page-products .prod-hero__title {
  margin: 12px 0 18px;
  max-width: 15em;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
}
.page-products .prod-hero__lead {
  margin: 0 0 26px;
  max-width: 36em;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .prod-hero__panel {
  display: grid;
  gap: 22px;
  margin-top: clamp(30px, 4vw, 48px);
}

.page-products .prod-version-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 32px);
  border: 4px solid var(--ink);
  background: var(--paper-warm);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.page-products .prod-version-card::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197, 58, 46, 0.16), transparent 70%);
  pointer-events: none;
}
.page-products .prod-version-card__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--taupe);
}
.page-products .prod-version-card__num {
  font-family: var(--font-mono);
  font-size: clamp(3.6rem, 13vw, 7.2rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--cinnabar);
  text-shadow: 5px 5px 0 var(--bronze-bright);
}
.page-products .prod-version-card__note {
  margin: 6px 0 4px;
  max-width: 26em;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .prod-hero__media {
  margin: 0;
  background: var(--bronze-pale);
}
.page-products .prod-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 复制按钮 */
.page-products .copy-btn {
  align-self: flex-start;
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease),
    transform 0.18s var(--ease);
}
.page-products .copy-btn:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}
.page-products .copy-btn:focus-visible {
  outline: 3px solid var(--bronze);
  outline-offset: 2px;
}
.page-products .copy-btn[data-copied] {
  background: var(--celadon);
  border-color: var(--celadon-deep);
}

/* 三端适配 */
.page-products .prod-platforms {
  padding: clamp(44px, 6vw, 82px) 0;
}
.page-products .prod-platforms__layout {
  display: grid;
  gap: 28px;
}
.page-products .prod-platform-grid {
  display: grid;
  gap: 16px;
}
.page-products .prod-platform {
  padding: 20px 22px;
  border: 2px solid var(--ink);
  background: var(--paper-warm);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.18s var(--ease), transform 0.18s var(--ease);
}
.page-products .prod-platform:hover {
  box-shadow: var(--shadow-hard);
  transform: translate(-2px, -2px);
}
.page-products .prod-platform__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.page-products .prod-platform__os {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.page-products .prod-platform__size {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--bronze);
  white-space: nowrap;
}
.page-products .prod-platform__meta {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-products .prod-platforms__media {
  margin: 0;
  background: var(--ink);
}
.page-products .prod-platforms__media img,
.page-products .prod-cases__media img,
.page-products .prod-library__media img,
.page-products .prod-tree__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .prod-platforms__note {
  margin: 26px 0 0;
  padding-left: 16px;
  border-left: 4px solid var(--celadon);
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-products .prod-platforms__note a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
}
.page-products .prod-platforms__note a:hover,
.page-products .prod-platforms__note a:focus-visible {
  background: var(--cinnabar);
  color: var(--paper-warm);
  border-bottom-color: transparent;
}

/* 资料下载与续传 */
.page-products .prod-library {
  padding: clamp(44px, 6vw, 88px) 0;
  background: var(--paper-warm);
  border-top: var(--line);
  border-bottom: var(--line);
}
.page-products .prod-library__layout {
  display: grid;
  gap: 30px;
  align-items: center;
}
.page-products .prod-library__lead {
  margin: 14px 0 0;
  max-width: 34em;
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-products .prod-library__media {
  margin: 0;
  background: var(--bronze-pale);
}
.page-products .prod-check-list {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .prod-check-list li {
  position: relative;
  padding-left: 28px;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-products .prod-check-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.6em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 3px rgba(63, 127, 107, 0.15);
}

.page-products .prod-flow {
  list-style: none;
  counter-reset: prod-flow;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-products .prod-flow li {
  counter-increment: prod-flow;
  padding: 18px 20px;
  border: 2px solid var(--ink);
  background: var(--paper);
}
.page-products .prod-flow li + li {
  margin-top: -2px;
}
.page-products .prod-flow li::before {
  content: counter(prod-flow, decimal-leading-zero);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--bronze);
}
.page-products .prod-flow h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.page-products .prod-flow p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--ink-soft);
}

/* 能力路径（深色） */
.page-products .prod-tree {
  padding: clamp(48px, 6vw, 92px) 0;
  background: var(--ink);
  color: var(--paper);
}
.page-products .prod-tree .eyebrow {
  color: var(--bronze-bright);
}
.page-products .prod-tree .eyebrow::before {
  background: var(--cinnabar);
}
.page-products .prod-tree .prod-section-head h2 {
  color: var(--paper-warm);
}
.page-products .prod-tree .prod-section-head p:last-child {
  color: var(--bronze-pale);
}
.page-products .prod-tree__map {
  --tree-rail: 28px;
  position: relative;
  padding-left: var(--tree-rail);
}
.page-products .prod-tree__map::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 20px;
  bottom: 26px;
  width: 2px;
  background: linear-gradient(180deg, var(--bronze-bright), rgba(224, 178, 92, 0.12));
}
.page-products .prod-tree__trunk {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 2px solid var(--bronze-bright);
  background: rgba(224, 178, 92, 0.08);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--bronze-bright);
}
.page-products .prod-tree__branches {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-products .prod-tree__node {
  position: relative;
  padding: 20px 22px;
  border: 2px solid rgba(246, 240, 228, 0.22);
  background: var(--ink-soft);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-products .prod-tree__node::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 26px;
  width: 10px;
  height: 10px;
  background: var(--bronze-bright);
  border: 2px solid var(--ink);
  transform: rotate(45deg);
}
.page-products .prod-tree__node:hover,
.page-products .prod-tree__node:focus-within {
  border-color: var(--bronze-bright);
  background: #332e29;
}
.page-products .prod-tree__node h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--paper-warm);
}
.page-products .prod-tree__node p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.74;
  color: var(--bronze-pale);
}
.page-products .prod-tree__node a {
  color: var(--bronze-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--bronze-bright);
  white-space: nowrap;
}
.page-products .prod-tree__node a:hover,
.page-products .prod-tree__node a:focus-visible {
  color: var(--ink);
  background: var(--bronze-bright);
  border-bottom-color: transparent;
}
.page-products .prod-tree__media {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border-color: var(--bronze-bright);
  box-shadow: 8px 8px 0 rgba(224, 178, 92, 0.28);
  background: var(--ink-soft);
}
.page-products .prod-tree__media .media-frame__label {
  color: var(--bronze-pale);
  background: var(--ink-soft);
}

/* 案例与资料 */
.page-products .prod-cases {
  padding: clamp(44px, 6vw, 88px) 0;
}
.page-products .prod-cases__layout {
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-products .prod-stats {
  border-top: 2px solid var(--ink);
}
.page-products .prod-stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 2px solid var(--ink);
}
.page-products .prod-stat__num {
  min-width: 3.2em;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4.4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cinnabar);
}
.page-products .prod-stat__label {
  font-size: 0.93rem;
  line-height: 1.66;
  color: var(--ink-soft);
}
.page-products .prod-cases__media {
  margin: 0;
  background: var(--bronze-pale);
}

/* 版本与校验 */
.page-products .prod-verify {
  padding: clamp(44px, 6vw, 88px) 0;
  background: var(--paper-warm);
  border-top: var(--line);
  border-bottom: var(--line);
}
.page-products .prod-verify__layout {
  display: grid;
  gap: 28px;
  align-items: start;
}
.page-products .prod-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--bronze-pale);
}
.page-products .prod-timeline li {
  position: relative;
  padding-bottom: 22px;
}
.page-products .prod-timeline li:last-child {
  padding-bottom: 0;
}
.page-products .prod-timeline li::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper-warm);
  border: 2px solid var(--cinnabar);
}
.page-products .prod-timeline li.is-latest::before {
  background: var(--celadon);
  border-color: var(--celadon-deep);
}
.page-products .prod-timeline h3 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.94rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.page-products .prod-timeline p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .prod-hash {
  padding: 22px;
  border: 4px solid var(--cinnabar);
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--cinnabar-deep);
}
.page-products .prod-hash__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--taupe);
}
.page-products .prod-hash__code {
  display: block;
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--bronze-bright);
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 1.7vw, 0.82rem);
  line-height: 1.8;
  letter-spacing: 0.02em;
  word-break: break-all;
}
.page-products .prod-hash .copy-btn {
  background: var(--cinnabar);
  border-color: var(--cinnabar-deep);
}
.page-products .prod-hash .copy-btn:hover {
  background: var(--cinnabar-deep);
}
.page-products .prod-hash .copy-btn[data-copied] {
  background: var(--celadon);
  border-color: var(--celadon-deep);
}
.page-products .prod-hash__tip {
  margin: 14px 0 0;
  font-size: 0.86rem;
  line-height: 1.68;
  color: var(--taupe);
}

/* 下载前帮助 */
.page-products .prod-help {
  padding: clamp(44px, 6vw, 88px) 0 clamp(56px, 7vw, 100px);
}
.page-products .prod-help__grid {
  display: grid;
  gap: 14px;
}
.page-products .prod-help__card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  padding: 18px 20px;
  border: 2px solid var(--ink);
  background: var(--paper-warm);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease),
    box-shadow 0.18s var(--ease);
}
.page-products .prod-help__card span {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--cinnabar);
  transition: color 0.18s var(--ease);
}
.page-products .prod-help__card:hover,
.page-products .prod-help__card:focus-visible {
  background: var(--ink);
  color: var(--paper-warm);
  box-shadow: 6px 6px 0 var(--cinnabar);
}
.page-products .prod-help__card:hover span,
.page-products .prod-help__card:focus-visible span {
  color: var(--bronze-bright);
}
.page-products .prod-help__note {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: 0.9rem;
  line-height: 1.74;
  color: var(--taupe);
}

/* 动效 */
.page-products [data-reveal] {
  opacity: 1;
  transform: none;
}
.page-products.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.36s var(--ease), transform 0.36s var(--ease);
}
.page-products.has-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-products .prod-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-flow li + li {
    margin-top: 0;
  }
  .page-products .prod-flow li:nth-child(even) {
    margin-left: -2px;
  }
  .page-products .prod-flow li:nth-child(n + 3) {
    margin-top: -2px;
  }
}

@media (min-width: 860px) {
  .page-products .prod-hero__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    align-items: stretch;
    gap: 30px;
  }
  .page-products .prod-platforms__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 48px;
  }
  .page-products .prod-cases__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 52px;
  }
  .page-products .prod-verify__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    gap: 48px;
  }
}

@media (min-width: 940px) {
  .page-products .prod-library__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }
  .page-products .prod-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .prod-flow li:nth-child(n + 2) {
    margin-left: -2px;
    margin-top: 0;
  }
}

@media (max-width: 560px) {
  .page-products .prod-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .page-products .prod-hero__actions .btn {
    width: 100%;
    text-align: center;
  }
  .page-products .prod-version-card {
    box-shadow: 6px 6px 0 var(--ink);
  }
  .page-products .prod-version-card__num {
    text-shadow: 3px 3px 0 var(--bronze-bright);
  }
  .page-products .prod-stat {
    flex-direction: column;
    gap: 6px;
  }
  .page-products .prod-stat__num {
    min-width: 0;
  }
  .page-products .prod-hash {
    box-shadow: 6px 6px 0 var(--cinnabar-deep);
    padding: 18px;
  }
  .page-products .copy-btn {
    width: 100%;
    justify-content: center;
  }
  .page-products .prod-tree__map {
    --tree-rail: 20px;
  }
  .page-products .prod-tree__map::before {
    left: 5px;
  }
  .page-products .prod-tree__node::before {
    left: -16px;
  }
  .page-products .prod-tree__node {
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products.has-js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-products .prod-platform,
  .page-products .prod-tree__node,
  .page-products .prod-help__card,
  .page-products .copy-btn {
    transition: none;
  }
  .page-products .prod-platform:hover {
    transform: none;
  }
}
<<<END>>>