.page-products {
  --prod-rail-w: 216px;
  --prod-cut: 18px;
  --prod-line: rgba(55, 230, 212, 0.18);
}

/* 面包屑 */
.page-products .prod-crumb-wrap {
  padding-block: 20px 0;
}

/* 外壳：移动端单列，桌面端仪表盘 + 内容 */
.page-products .prod-shell {
  display: block;
  padding-block: 4px 72px;
}

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

/* 左侧仪表盘刻度 */
.page-products .prod-rail {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-block: 12px 16px;
  border-block-end: 1px solid var(--line-soft);
  scrollbar-width: thin;
  scrollbar-color: var(--tide) transparent;
}

.page-products .prod-rail-title {
  display: none;
}

.page-products .rail-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink-mute);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-products .rail-item .rail-idx {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .rail-item:hover {
  color: var(--salt);
  border-color: var(--prod-line);
}

.page-products .rail-item:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  color: var(--salt);
}

/* 首屏 */
.page-products .prod-hero {
  padding-block-start: 28px;
}

.page-products .prod-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 7vw, 62px);
  line-height: 1.14;
  letter-spacing: 0.05em;
  color: var(--salt);
}

.page-products .prod-lede {
  max-width: 42em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 247, 247, 0.82);
}

.page-products .panel-cut {
  background: linear-gradient(155deg, rgba(18, 63, 94, 0.85), rgba(6, 24, 38, 0.55));
  box-shadow: inset 0 0 0 1px var(--prod-line);
  clip-path: polygon(var(--prod-cut) 0, 100% 0, 100% calc(100% - var(--prod-cut)), calc(100% - var(--prod-cut)) 100%, 0 100%, 0 var(--prod-cut));
}

.page-products .prod-status {
  margin-block-start: 28px;
  padding: 18px 18px 8px;
}

.page-products .prod-status-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block-end: 12px;
  border-block-end: 1px solid var(--prod-line);
}

.page-products .prod-status-head .mono {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-accent);
}

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

.page-products .ver-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px 14px;
  align-items: center;
  padding-block: 14px;
  border-block-end: 1px solid rgba(124, 140, 150, 0.18);
}

.page-products .ver-row:last-child {
  border-block-end: 0;
}

.page-products .ver-name {
  display: block;
  font-size: 15px;
  color: var(--salt);
  min-width: 0;
}

.page-products .ver-note {
  display: block;
  margin-block-start: 3px;
  font-size: 12px;
  font-style: normal;
  letter-spacing: 0.02em;
  color: var(--ink-mute);
}

.page-products .ver-num {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-products .ver-flag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-accent);
  white-space: nowrap;
}

.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: 24px;
}

.page-products .prod-hero-figure {
  margin-block-start: 28px;
  aspect-ratio: 16 / 10;
}

.page-products .prod-hero-figure img,
.page-products .prod-ver-figure img,
.page-products .prod-benefit-figure img,
.page-products .prod-install-figure img,
.page-products .prod-records-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 章节节奏 */
.page-products .prod-sec {
  margin-block-start: 64px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .prod-sec .section-title {
  font-weight: 300;
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: 0.05em;
  line-height: 1.3;
}

.page-products .prod-note {
  max-width: 40em;
  margin-block-start: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-products .prod-body-copy {
  max-width: 42em;
  margin-block-start: 22px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(242, 247, 247, 0.8);
}

.page-products .prod-body-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-block-end: 1px solid rgba(55, 230, 212, 0.4);
}

.page-products .prod-body-copy a:hover,
.page-products .prod-body-copy a:focus-visible {
  color: var(--mist);
  border-block-end-color: var(--mist);
}

/* 版本切换 */
.page-products .ver-switch {
  position: relative;
  margin-block-start: 26px;
}

.page-products .ver-radio {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.page-products .ver-tabs {
  display: flex;
  gap: 8px;
}

.page-products .ver-tab {
  padding: 10px 18px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-products .ver-tab:hover {
  color: var(--salt);
  border-color: var(--prod-line);
}

.page-products #ver-win:checked ~ .ver-tabs label[for="ver-win"],
.page-products #ver-mac:checked ~ .ver-tabs label[for="ver-mac"] {
  color: var(--abyss);
  background: var(--coral);
  border-color: var(--coral);
  font-weight: 500;
}

.page-products #ver-win:focus-visible ~ .ver-tabs label[for="ver-win"],
.page-products #ver-mac:focus-visible ~ .ver-tabs label[for="ver-mac"] {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-products .ver-panel {
  display: none;
  margin-block-start: 18px;
  padding: 22px 20px;
  background: rgba(11, 42, 69, 0.6);
  box-shadow: inset 0 0 0 1px var(--prod-line);
  clip-path: polygon(0 0, calc(100% - var(--prod-cut)) 0, 100% var(--prod-cut), 100% 100%, 0 100%);
}

.page-products #ver-win:checked ~ .ver-panels #panel-win,
.page-products #ver-mac:checked ~ .ver-panels #panel-mac {
  display: block;
}

.page-products .ver-panel-lead {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 247, 247, 0.84);
}

.page-products .ver-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(242, 247, 247, 0.78);
}

.page-products .ver-list li {
  position: relative;
  padding-inline-start: 18px;
}

.page-products .ver-list li::before {
  content: "";
  position: absolute;
  inset-block-start: 0.62em;
  inset-inline-start: 0;
  inline-size: 8px;
  block-size: 1px;
  background: var(--cyan);
}

.page-products .prod-ver-figure {
  margin-block-start: 26px;
  max-width: 340px;
}

/* 权益分栏 */
.page-products .prod-benefit-figure {
  margin-block-start: 26px;
  aspect-ratio: 3 / 2;
}

.page-products .benefit-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 84%);
  gap: 14px;
  margin-block-start: 22px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding-block-end: 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--tide) transparent;
}

.page-products .benefit-rail:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.page-products .benefit-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 22px;
  scroll-snap-align: start;
  background: linear-gradient(180deg, rgba(18, 63, 94, 0.62), rgba(6, 24, 38, 0.28));
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
}

.page-products .benefit-col h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--salt);
}

.page-products .benefit-lead {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-mute);
}

.page-products .benefit-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(242, 247, 247, 0.8);
}

.page-products .benefit-col li {
  position: relative;
  padding-inline-start: 16px;
}

.page-products .benefit-col li::before {
  content: "";
  position: absolute;
  inset-block-start: 0.6em;
  inset-inline-start: 0;
  inline-size: 6px;
  block-size: 6px;
  border: 1px solid rgba(55, 230, 212, 0.55);
  transform: rotate(45deg);
}

/* 环境检查表 */
.page-products .env-scroll {
  margin-block-start: 24px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--tide) transparent;
}

.page-products .env-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
  text-align: left;
}

.page-products .env-caption {
  caption-side: top;
  padding-block-end: 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  text-align: left;
}

.page-products .env-table thead th {
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--rock);
  border-block-end: 1px solid var(--prod-line);
}

.page-products .env-table tbody th {
  padding: 14px;
  font-weight: 500;
  color: var(--salt);
  border-block-end: 1px solid rgba(124, 140, 150, 0.2);
  white-space: nowrap;
  vertical-align: top;
}

.page-products .env-table td {
  padding: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 247, 0.82);
  border-block-end: 1px solid rgba(124, 140, 150, 0.2);
  vertical-align: top;
}

.page-products .env-table tbody tr {
  transition: background-color 0.18s ease;
}

.page-products .env-table tbody tr:hover {
  background: rgba(167, 243, 234, 0.07);
}

/* 安装三步 */
.page-products .steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.page-products .step {
  position: relative;
  z-index: 1;
  padding: 20px 18px;
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}

.page-products .step-idx {
  display: block;
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .step h3 {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--salt);
}

.page-products .step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 247, 247, 0.78);
}

.page-products .step details {
  margin-block-start: 14px;
  padding-block-start: 12px;
  border-block-start: 1px dashed rgba(124, 140, 150, 0.35);
}

.page-products .step summary {
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  color: var(--mist);
}

.page-products .step summary::-webkit-details-marker {
  display: none;
}

.page-products .step summary::before {
  content: "+ ";
  color: var(--coral);
}

.page-products .step details[open] summary::before {
  content: "− ";
}

.page-products .step summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-products .step details p {
  margin-block-start: 10px;
  font-size: 13.5px;
  color: var(--ink-mute);
}

.page-products .prod-install-figure {
  margin-block-start: 26px;
  aspect-ratio: 2 / 1;
}

/* 版本记录 */
.page-products .ver-parts {
  display: grid;
  gap: 14px;
  margin-block-start: 24px;
}

.page-products .ver-part {
  padding: 18px;
  background: rgba(11, 42, 69, 0.5);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
}

.page-products .ver-part-num {
  display: block;
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--coral);
}

.page-products .ver-part h3 {
  margin: 12px 0 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--salt);
}

.page-products .ver-part p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-products .prod-records-figure {
  margin-block-start: 26px;
  aspect-ratio: 12 / 7;
}

/* 遇到问题 */
.page-products .prod-help-grid {
  margin-block-start: 24px;
}

.page-products .prod-help-card {
  padding: 22px 20px;
}

.page-products .prod-help-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--salt);
}

.page-products .prod-help-card p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 247, 247, 0.78);
}

.page-products .prod-tip {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-block-start: 22px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-products .prod-tip .status-dot {
  margin-block-start: 0.5em;
  flex: 0 0 auto;
}

/* 平板与桌面 */
@media (min-width: 768px) {
  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    position: relative;
  }

  .page-products .steps::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset-block-start: 30px;
    inset-inline: 12%;
    block-size: 1px;
    background: linear-gradient(90deg, transparent, var(--prod-line) 12%, var(--prod-line) 88%, transparent);
    transform: skewY(-1.4deg);
  }

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

  .page-products .prod-ver-figure {
    max-width: 420px;
  }
}

@media (min-width: 1024px) {
  .page-products .prod-shell {
    display: grid;
    grid-template-columns: var(--prod-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-block: 12px 96px;
  }

  .page-products .prod-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    overflow: visible;
    padding: 0;
    border-block-end: 0;
  }

  .page-products .prod-rail-title {
    display: block;
    margin: 0 0 14px;
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--rock);
  }

  .page-products .rail-item {
    width: 100%;
    padding: 10px 0 10px 14px;
    border: 0;
    border-inline-start: 1px solid var(--line-soft);
    border-radius: 0;
  }

  .page-products .rail-item:hover {
    color: var(--salt);
    border-inline-start-color: var(--cyan);
    background: linear-gradient(90deg, rgba(55, 230, 212, 0.1), transparent 80%);
  }

  .page-products .rail-item:focus-visible {
    border-inline-start-color: var(--focus);
  }

  .page-products .prod-hero {
    padding-block-start: 52px;
  }

  .page-products .prod-sec {
    margin-block-start: 96px;
  }

  .page-products .benefit-rail {
    grid-auto-columns: minmax(0, 1fr);
    gap: 16px;
    overflow: visible;
    scroll-snap-type: none;
    padding-block-end: 0;
  }

  .page-products .ver-panels {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .prod-ver-figure {
    max-width: 100%;
    aspect-ratio: 2 / 1;
  }

  .page-products .prod-help-grid {
    margin-block-start: 30px;
  }
}

@media (min-width: 1280px) {
  .page-products .prod-status {
    padding: 24px 26px 10px;
  }

  .page-products .ver-row {
    padding-block: 16px;
  }
}
<<<PAGE_CSS_END>>>