.page-products {
  --prod-line: rgba(23, 19, 16, .14);
  --prod-line-soft: rgba(23, 19, 16, .08);
  --prod-line-light: rgba(245, 240, 230, .2);
  --prod-ink-soft: rgba(245, 240, 230, .76);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  padding-bottom: var(--sp-3);
}

.page-products .prod-crumb {
  padding-top: var(--sp-1);
  padding-bottom: var(--sp-1);
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--color-gray);
}

.page-products .breadcrumb a {
  color: var(--color-gray);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  color: var(--color-danxia);
}

.page-products .breadcrumb li[aria-current] {
  color: var(--color-ink);
}

/* ---------- 布局骨架：窄栏索引 + 宽栏内容 ---------- */

.page-products .prod-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-2);
}

.page-products .prod-flow {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-width: 0;
}

.page-products .section {
  padding: 0;
  min-width: 0;
}

/* ---------- 章节索引 ---------- */

.page-products .prod-rail {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--prod-line);
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-rail-title {
  display: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--color-gray);
}

.page-products .rail-link {
  flex: 0 0 auto;
  display: block;
  padding: 6px 13px;
  border: 1px solid var(--prod-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  line-height: 1.5;
  color: var(--color-gray);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .rail-link:hover,
.page-products .rail-link[aria-current="true"] {
  color: var(--color-danxia);
  border-color: var(--color-danxia);
}

.page-products .prod-rail-meta {
  display: none;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--prod-line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.7;
  color: var(--color-gray);
}

.page-products .prod-rail-ver {
  display: block;
  font-size: 15px;
  color: var(--color-danxia);
  letter-spacing: .06em;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-2);
  align-items: center;
  padding-top: var(--sp-1);
}

.page-products .sec-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .13em;
  color: var(--color-danxia);
  margin: 0;
}

.page-products .prod-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6.2vw, 4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 12px 0 18px;
}

.page-products .prod-lede {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--color-ink);
}

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

.page-products .prod-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-hero-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--color-gray);
}

.page-products .prod-hero-facts dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: var(--color-danxia);
}

.page-products .prod-hero-device {
  position: relative;
  margin: 0;
  padding: 20px 20px 14px;
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, var(--color-night), var(--color-teal-deep));
  overflow: hidden;
}

.page-products .prod-hero-device::after {
  content: "";
  position: absolute;
  inset: auto -25% -35% 25%;
  height: 62%;
  background: radial-gradient(circle at 50% 50%, rgba(47, 212, 195, .32), transparent 70%);
  pointer-events: none;
}

.page-products .prod-hero-device img {
  position: relative;
  display: block;
  width: 100%;
  max-width: 290px;
  height: auto;
  margin: 0 auto;
  border-radius: 22px;
  object-fit: cover;
}

.page-products .prod-hero-device figcaption {
  position: relative;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--prod-ink-soft);
}

/* ---------- 通用小标题 ---------- */

.page-products .prod-sec-head {
  max-width: 40em;
  margin-bottom: var(--sp-1);
}

.page-products .sec-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 3.6vw, 2.3rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  margin: 10px 0 12px;
}

.page-products .sec-lede {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--color-gray);
}

/* ---------- 第一屏结构 ---------- */

.page-products .prod-first-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-1);
  align-items: start;
}

.page-products .prod-shot {
  margin: 0;
  padding: 16px;
  border-radius: var(--radius-lg);
  background: var(--color-sand);
}

.page-products .prod-shot img {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
  margin: 0 auto;
  border-radius: 18px;
  object-fit: cover;
}

.page-products .prod-shot figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: #4a4038;
}

.page-products .prod-anatomy {
  display: grid;
  gap: 0;
}

.page-products .prod-anatomy-item {
  position: relative;
  padding: 20px 0 20px 52px;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-anatomy-item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 24px;
  bottom: 4px;
  width: 1px;
  background: var(--prod-line);
}

.page-products .prod-anatomy-idx {
  position: absolute;
  left: 0;
  top: 20px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--color-gold);
}

.page-products .prod-anatomy-item h3 {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
}

.page-products .prod-anatomy-item p {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--color-gray);
}

/* ---------- 主客场对照 ---------- */

.page-products .prod-split-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-1);
  align-items: start;
}

.page-products .prod-split-copy p {
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--color-ink);
}

.page-products .prod-split-copy p:last-child {
  color: var(--color-gray);
  font-size: 15.5px;
}

.page-products .prod-chart {
  padding: 22px 20px 20px;
  border-radius: var(--radius-lg);
  background: var(--color-night);
  color: var(--color-paper);
}

.page-products .prod-chart-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.page-products .prod-chart-head h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-products .prod-chart .switch {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border-radius: var(--radius-pill);
  background: rgba(245, 240, 230, .1);
}

.page-products .prod-chart .switch-option {
  min-height: 34px;
  padding: 6px 16px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: rgba(245, 240, 230, .72);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-products .prod-chart .switch-option[aria-pressed="true"] {
  background: var(--color-cyan);
  color: var(--color-night);
  font-weight: 600;
}

.page-products .prod-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 15px;
}

.page-products .prod-bars li {
  display: grid;
  grid-template-columns: 5.6em minmax(0, 1fr) 3.4em;
  align-items: center;
  gap: 10px;
}

.page-products .prod-bar-label {
  font-size: 13.5px;
  color: rgba(245, 240, 230, .78);
}

.page-products .prod-bar {
  display: block;
  position: relative;
  height: 9px;
  border-radius: var(--radius-pill);
  background: rgba(245, 240, 230, .14);
  overflow: hidden;
}

.page-products .prod-bar-fill {
  display: block;
  height: 100%;
  width: var(--w, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-gold), var(--color-cyan));
}

.page-products .prod-bars--away .prod-bar-fill {
  background: linear-gradient(90deg, var(--color-cyan-soft), var(--color-cyan));
}

.page-products .prod-bar-num {
  text-align: right;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--color-paper);
}

.page-products .prod-panel-note {
  margin: 20px 0 0;
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(245, 240, 230, .6);
}

/* ---------- 数据覆盖 ---------- */

.page-products .prod-coverage-inner {
  padding: 32px 22px 26px;
  border-radius: var(--radius-lg);
  background: var(--color-teal-deep);
  color: var(--color-paper);
}

.page-products .prod-coverage .sec-label {
  color: var(--color-cyan);
}

.page-products .prod-coverage .sec-title {
  color: var(--color-paper);
}

.page-products .prod-coverage .sec-lede {
  color: var(--prod-ink-soft);
}

.page-products .prod-coverage .prod-params {
  margin-top: var(--sp-1);
}

.page-products .prod-fig {
  margin: var(--sp-1) 0 0;
}

.page-products .prod-fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-products .prod-fig figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: rgba(245, 240, 230, .62);
}

/* ---------- 参数行 ---------- */

.page-products .prod-params {
  display: grid;
  gap: 2px;
  margin: 0;
}

.page-products .prod-param {
  display: grid;
  grid-template-columns: minmax(0, 8.5em) minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 11px 10px;
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--prod-line-soft);
  transition: background .18s var(--ease);
}

.page-products .prod-param:hover {
  background: rgba(200, 145, 47, .13);
}

.page-products .prod-param dt {
  margin: 0;
  font-size: 13.5px;
  color: var(--color-gray);
}

.page-products .prod-param dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-ink);
  word-break: break-word;
}

.page-products .prod-coverage .prod-param {
  border-bottom-color: var(--prod-line-light);
}

.page-products .prod-coverage .prod-param:hover {
  background: rgba(47, 212, 195, .14);
}

.page-products .prod-coverage .prod-param dt {
  color: var(--prod-ink-soft);
}

.page-products .prod-coverage .prod-param dd {
  color: var(--color-paper);
}

.page-products .prod-params--tight .prod-param {
  grid-template-columns: minmax(0, 6em) minmax(0, 1fr);
  padding: 9px 0;
}

/* ---------- 版本与设备 ---------- */

.page-products .prod-vers-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-1);
}

.page-products .prod-ver {
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  background: var(--color-sand);
}

.page-products .prod-ver-tag {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
}

.page-products .prod-ver-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
  line-height: 1.35;
}

.page-products .prod-ver-desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4a4038;
}

.page-products .prod-fig--banner figcaption {
  color: var(--color-gray);
}

/* ---------- 安装步骤 ---------- */

.page-products .prod-install-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-1);
  align-items: start;
}

.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .prod-step {
  border-radius: var(--radius-md);
  background: rgba(233, 211, 166, .55);
  overflow: hidden;
}

.page-products .prod-step summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .prod-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--color-danxia);
}

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

.page-products .prod-step-num {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--color-gold);
}

.page-products .prod-step-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.page-products .prod-step-body {
  padding: 0 18px 16px 44px;
}

.page-products .prod-step-body p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.82;
  color: #4a4038;
}

.page-products .prod-step-body .prod-param {
  grid-template-columns: minmax(0, 6em) minmax(0, 1fr);
  padding: 8px 0;
  border-bottom: 1px dashed rgba(23, 19, 16, .12);
}

.page-products .prod-step-body .prod-param:hover {
  background: transparent;
}

.page-products .prod-fig--small figcaption {
  color: var(--color-gray);
}

/* ---------- 问题排查 ---------- */

.page-products .prod-help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-products .prod-help-list li {
  padding: 20px 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-help-list h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
}

.page-products .prod-help-list p {
  margin: 0 0 10px;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--color-gray);
}

.page-products .prod-help-link {
  display: inline-block;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--color-danxia);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-products .prod-help-link:hover {
  color: var(--color-gold);
}

/* ---------- 收尾 ---------- */

.page-products .prod-next {
  padding: 32px 22px;
  border-radius: var(--radius-lg);
  background: var(--color-danxia);
  color: var(--color-paper);
}

.page-products .prod-next .sec-label {
  color: var(--color-cyan-soft);
}

.page-products .prod-next .sec-title {
  color: var(--color-paper);
}

.page-products .prod-next-lede {
  max-width: 34em;
  margin: 0 0 24px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(245, 240, 230, .86);
}

.page-products .prod-next .btn--ghost {
  color: var(--color-paper);
  border-color: rgba(245, 240, 230, .55);
}

.page-products .prod-next .btn--ghost:hover {
  border-color: var(--color-cyan-soft);
  color: var(--color-cyan-soft);
}

.page-products :focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .prod-vers-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .prod-thumb-row {
    display: grid;
  }
}

@media (min-width: 900px) {
  .page-products .prod-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: var(--sp-2);
    align-items: start;
  }

  .page-products .prod-rail {
    display: block;
    overflow: visible;
    padding: 0 0 0 14px;
    border-bottom: 0;
    border-left: 1px solid var(--prod-line);
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-products .prod-rail-title {
    display: block;
    margin-bottom: 10px;
  }

  .page-products .rail-link {
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    white-space: normal;
    font-size: 11.5px;
  }

  .page-products .prod-rail-meta {
    display: block;
  }

  .page-products .prod-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-2);
  }

  .page-products .prod-hero-device img {
    max-width: 320px;
  }

  .page-products .prod-first-body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--sp-2);
  }

  .page-products .prod-shot--stagger {
    transform: translateY(-38px);
  }

  .page-products .prod-shot img {
    max-width: 100%;
  }

  .page-products .prod-split-body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--sp-2);
  }

  .page-products .prod-chart {
    padding: 26px 24px 24px;
    transform: translateY(-18px);
  }

  .page-products .prod-coverage-inner {
    padding: 46px 42px 38px;
  }

  .page-products .prod-fig--offset {
    width: 88%;
    margin-left: auto;
    margin-top: -8px;
  }

  .page-products .prod-vers-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-1);
  }

  .page-products .prod-ver:nth-child(2) {
    margin-top: 22px;
  }

  .page-products .prod-ver:nth-child(3) {
    margin-top: 44px;
  }

  .page-products .prod-fig--banner {
    width: 84%;
    margin-top: var(--sp-2);
  }

  .page-products .prod-install-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-2);
  }

  .page-products .prod-fig--small {
    position: sticky;
    top: 96px;
    margin-top: 34px;
  }

  .page-products .prod-help-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-1);
  }

  .page-products .prod-help-list li {
    border-top: 3px solid var(--color-gold);
    padding-top: 18px;
  }

  .page-products .prod-next {
    padding: 52px 48px;
  }
}

@media (min-width: 1120px) {
  .page-products .prod-hero h1 {
    letter-spacing: -.025em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-shot--stagger,
  .page-products .prod-chart {
    transform: none;
  }

  .page-products .prod-bar-fill {
    transition: none;
  }
}

.page-products {
  --w: 1rem;
}