.page-products {
  --dl-surface: #FFFFFF;
  --dl-soft: #FBF7EE;
  --dl-shadow: 0 18px 40px -32px rgba(11, 31, 58, 0.55);
  background: var(--ivory);
  color: var(--char);
}

.page-products .breadcrumb {
  padding: 22px 0 0;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 1rem;
  color: var(--gray);
}

.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  opacity: 0.5;
}

.page-products .breadcrumb-list a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb-list a:hover {
  border-bottom-color: var(--gold);
}

.page-products .breadcrumb-list a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ---------- hero ---------- */

.page-products .dl-hero {
  padding: 24px 0 52px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(212, 175, 55, 0.16), transparent 58%),
    radial-gradient(80% 70% at 0% 100%, rgba(23, 195, 178, 0.08), transparent 60%),
    var(--ivory);
  border-bottom: 1px solid var(--hairline);
}

.page-products .dl-hero-inner {
  display: grid;
  gap: 36px;
}

.page-products .dl-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 22ch;
}

.page-products .dl-lede {
  margin: 22px 0 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--char);
  max-width: 62ch;
}

.page-products .dl-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 目录索引 ---------- */

.page-products .dl-index {
  position: relative;
  background: var(--dl-surface);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--gold);
  padding: 18px 0 16px;
}

.page-products .dl-index-label {
  margin: 0 0 12px;
  padding: 0 20px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--gray);
}

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

.page-products .dl-index-list li + li {
  border-top: 1px solid var(--hairline);
}

.page-products .dl-index-list a {
  display: block;
  padding: 12px 20px;
  color: var(--ink);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-products .dl-index-list a:hover,
.page-products .dl-index-list a:focus-visible {
  background: var(--dl-soft);
  border-left-color: var(--gold);
  padding-left: 26px;
}

.page-products .dl-index-list a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

/* ---------- 章节骨架 ---------- */

.page-products .dl-section {
  padding: 56px 0;
  scroll-margin-top: calc(var(--bar) + 20px);
}

.page-products .dl-section--soft {
  background: var(--sand);
}

.page-products .dl-section--ink {
  background: var(--ink);
  color: var(--on-ink-strong);
}

.page-products .dl-head {
  display: grid;
  gap: 12px;
  margin-bottom: 34px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}

.page-products .dl-head-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-products .dl-head-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .dl-head-lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--gray);
  max-width: 58ch;
}

.page-products .dl-head--ink {
  border-bottom-color: var(--hairline-dark);
}

.page-products .dl-head--ink .dl-head-num {
  background: var(--gold);
  color: var(--ink);
}

.page-products .dl-head--ink .dl-head-title {
  color: var(--ivory);
}

.page-products .dl-head--ink .dl-head-lede {
  color: var(--on-ink);
}

/* ---------- 设备卡 ---------- */

.page-products .dl-devices {
  display: grid;
  gap: 24px;
}

.page-products .dl-device {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 20px;
  background: var(--dl-surface);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--ink);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .dl-device:hover {
  border-left-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: var(--dl-shadow);
}

.page-products .dl-device h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .dl-device p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--char);
}

.page-products .dl-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--ink-2);
}

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

.page-products .dl-figure--phone {
  aspect-ratio: 4 / 5;
}

.page-products .dl-figure--phone img {
  height: 100%;
}

.page-products .dl-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 1rem;
}

.page-products .dl-facts li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .dl-facts li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 0.62em;
  background: var(--gold);
}

/* ---------- 玩法目录 ---------- */

.page-products .dl-catalog-wrap {
  display: grid;
  gap: 28px;
}

.page-products .dl-catalog {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-products .dl-catalog > li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 6px;
  border-bottom: 1px solid var(--hairline);
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-products .dl-catalog > li:hover {
  background: var(--dl-surface);
  padding-left: 14px;
}

.page-products .dl-catalog-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
  padding-top: 3px;
}

.page-products .dl-catalog h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-catalog p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .dl-catalog-note {
  margin: 28px 0 0;
  padding: 18px 20px;
  background: var(--dl-surface);
  border-left: 3px solid var(--gold);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--char);
}

.page-products .dl-catalog-note a,
.page-products .dl-timeline-note a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
}

.page-products .dl-catalog-note a:hover,
.page-products .dl-timeline-note a:hover {
  border-bottom-color: var(--orange);
}

.page-products .dl-catalog-note a:focus-visible,
.page-products .dl-timeline-note a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ---------- 功能清单 ---------- */

.page-products .dl-features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-products .dl-features > li {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 24px 20px;
  background: var(--dl-surface);
  transition: background 0.18s var(--ease);
}

.page-products .dl-features > li:hover {
  background: var(--dl-soft);
}

.page-products .dl-feature-metric {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-products .dl-features h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-features p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .dl-figure--features,
.page-products .dl-figure--timeline {
  margin-top: 28px;
}

/* ---------- 安装说明 ---------- */

.page-products .dl-install {
  display: grid;
  gap: 32px;
}

.page-products .dl-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: rgba(212, 175, 55, 0.22);
}

.page-products .dl-steps > li {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 22px 20px;
  background: var(--ink-2);
}

.page-products .dl-step-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.page-products .dl-steps h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--ivory);
}

.page-products .dl-steps p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--on-ink);
}

.page-products .dl-details {
  border-top: 1px solid var(--hairline-dark);
}

.page-products .dl-detail {
  border-bottom: 1px solid var(--hairline-dark);
}

.page-products .dl-detail summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ivory);
  list-style: none;
}

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

.page-products .dl-detail summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  text-align: right;
  color: var(--gold);
}

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

.page-products .dl-detail summary:hover {
  color: var(--gold-soft);
}

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

.page-products .dl-detail p {
  margin: 0;
  padding: 0 0 20px;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--on-ink);
}

/* ---------- 场景 ---------- */

.page-products .dl-scenarios {
  display: grid;
  gap: 20px;
}

.page-products .dl-scenario {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 26px 22px;
  background: var(--dl-surface);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--sand);
  transition: border-top-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .dl-scenario:hover {
  border-top-color: var(--gold);
  transform: translateY(-3px);
}

.page-products .dl-scenario h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-scenario p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray);
}

.page-products .dl-scenario--ink {
  background: var(--ink);
  border-color: var(--ink);
  border-top-color: var(--gold);
}

.page-products .dl-scenario--ink h3 {
  color: var(--ivory);
}

.page-products .dl-scenario--ink p {
  color: var(--on-ink);
}

.page-products .dl-scenario .tag {
  justify-self: start;
}

/* ---------- 版本时间线 ---------- */

.page-products .dl-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-products .dl-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: rgba(11, 31, 58, 0.28);
}

.page-products .dl-timeline > li {
  position: relative;
  display: grid;
  gap: 5px;
  align-content: start;
}

.page-products .dl-timeline > li::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 11px;
  height: 11px;
  background: var(--ivory);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
}

.page-products .dl-tl-ver {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-products .dl-timeline h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-timeline p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .dl-timeline-note {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--char);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-products .dl-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .dl-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .dl-section {
    padding: 72px 0;
  }

  .page-products .dl-head {
    grid-template-columns: 64px minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: end;
    column-gap: 28px;
  }

  .page-products .dl-head-title {
    margin: 0;
  }

  .page-products .dl-devices {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .dl-catalog-wrap {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-products .dl-timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 20px;
    padding: 30px 0 0;
  }

  .page-products .dl-timeline::before {
    left: 0;
    right: 0;
    top: 5px;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-products .dl-timeline > li::before {
    left: 0;
    top: -30px;
  }
}

@media (min-width: 1080px) {
  .page-products .dl-hero {
    padding: 32px 0 64px;
  }

  .page-products .dl-hero-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-products .dl-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-device,
  .page-products .dl-scenario,
  .page-products .dl-catalog > li,
  .page-products .dl-index-list a,
  .page-products .dl-features > li {
    transition: none;
  }

  .page-products .dl-device:hover,
  .page-products .dl-scenario:hover,
  .page-products .dl-catalog > li:hover {
    transform: none;
  }
}

.page-products {
  --dl-surface: #FFFFFF;
  --dl-soft: #FBF7EE;
  --dl-shadow: 0 18px 40px -32px rgba(11, 31, 58, 0.55);
  background: var(--ivory);
  color: var(--char);
}

.page-products .breadcrumb {
  padding: 22px 0 0;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 1rem;
  color: var(--gray);
}

.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  opacity: 0.5;
}

.page-products .breadcrumb-list a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb-list a:hover {
  border-bottom-color: var(--gold);
}

.page-products .breadcrumb-list a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ---------- hero ---------- */

.page-products .dl-hero {
  padding: 24px 0 52px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(212, 175, 55, 0.16), transparent 58%),
    radial-gradient(80% 70% at 0% 100%, rgba(23, 195, 178, 0.08), transparent 60%),
    var(--ivory);
  border-bottom: 1px solid var(--hairline);
}

.page-products .dl-hero-inner {
  display: grid;
  gap: 36px;
}

.page-products .dl-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 22ch;
}

.page-products .dl-lede {
  margin: 22px 0 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--char);
  max-width: 62ch;
}

.page-products .dl-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 目录索引 ---------- */

.page-products .dl-index {
  position: relative;
  background: var(--dl-surface);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--gold);
  padding: 18px 0 16px;
}

.page-products .dl-index-label {
  margin: 0 0 12px;
  padding: 0 20px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--gray);
}

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

.page-products .dl-index-list li + li {
  border-top: 1px solid var(--hairline);
}

.page-products .dl-index-list a {
  display: block;
  padding: 12px 20px;
  color: var(--ink);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-products .dl-index-list a:hover,
.page-products .dl-index-list a:focus-visible {
  background: var(--dl-soft);
  border-left-color: var(--gold);
  padding-left: 26px;
}

.page-products .dl-index-list a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

/* ---------- 章节骨架 ---------- */

.page-products .dl-section {
  padding: 56px 0;
  scroll-margin-top: calc(var(--bar) + 20px);
}

.page-products .dl-section--soft {
  background: var(--sand);
}

.page-products .dl-section--ink {
  background: var(--ink);
  color: var(--on-ink-strong);
}

.page-products .dl-head {
  display: grid;
  gap: 12px;
  margin-bottom: 34px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}

.page-products .dl-head-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-products .dl-head-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .dl-head-lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--gray);
  max-width: 58ch;
}

.page-products .dl-head--ink {
  border-bottom-color: var(--hairline-dark);
}

.page-products .dl-head--ink .dl-head-num {
  background: var(--gold);
  color: var(--ink);
}

.page-products .dl-head--ink .dl-head-title {
  color: var(--ivory);
}

.page-products .dl-head--ink .dl-head-lede {
  color: var(--on-ink);
}

/* ---------- 设备卡 ---------- */

.page-products .dl-devices {
  display: grid;
  gap: 24px;
}

.page-products .dl-device {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 20px;
  background: var(--dl-surface);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--ink);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .dl-device:hover {
  border-left-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: var(--dl-shadow);
}

.page-products .dl-device h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .dl-device p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--char);
}

.page-products .dl-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--ink-2);
}

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

.page-products .dl-figure--phone {
  aspect-ratio: 4 / 5;
}

.page-products .dl-figure--phone img {
  height: 100%;
}

.page-products .dl-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 1rem;
}

.page-products .dl-facts li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .dl-facts li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 0.62em;
  background: var(--gold);
}

/* ---------- 玩法目录 ---------- */

.page-products .dl-catalog-wrap {
  display: grid;
  gap: 28px;
}

.page-products .dl-catalog {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-products .dl-catalog > li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 6px;
  border-bottom: 1px solid var(--hairline);
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-products .dl-catalog > li:hover {
  background: var(--dl-surface);
  padding-left: 14px;
}

.page-products .dl-catalog-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
  padding-top: 3px;
}

.page-products .dl-catalog h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-catalog p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .dl-catalog-note {
  margin: 28px 0 0;
  padding: 18px 20px;
  background: var(--dl-surface);
  border-left: 3px solid var(--gold);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--char);
}

.page-products .dl-catalog-note a,
.page-products .dl-timeline-note a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
}

.page-products .dl-catalog-note a:hover,
.page-products .dl-timeline-note a:hover {
  border-bottom-color: var(--orange);
}

.page-products .dl-catalog-note a:focus-visible,
.page-products .dl-timeline-note a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ---------- 功能清单 ---------- */

.page-products .dl-features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-products .dl-features > li {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 24px 20px;
  background: var(--dl-surface);
  transition: background 0.18s var(--ease);
}

.page-products .dl-features > li:hover {
  background: var(--dl-soft);
}

.page-products .dl-feature-metric {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-products .dl-features h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-features p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .dl-figure--features,
.page-products .dl-figure--timeline {
  margin-top: 28px;
}

/* ---------- 安装说明 ---------- */

.page-products .dl-install {
  display: grid;
  gap: 32px;
}

.page-products .dl-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: rgba(212, 175, 55, 0.22);
}

.page-products .dl-steps > li {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 22px 20px;
  background: var(--ink-2);
}

.page-products .dl-step-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.page-products .dl-steps h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--ivory);
}

.page-products .dl-steps p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--on-ink);
}

.page-products .dl-details {
  border-top: 1px solid var(--hairline-dark);
}

.page-products .dl-detail {
  border-bottom: 1px solid var(--hairline-dark);
}

.page-products .dl-detail summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ivory);
  list-style: none;
}

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

.page-products .dl-detail summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  text-align: right;
  color: var(--gold);
}

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

.page-products .dl-detail summary:hover {
  color: var(--gold-soft);
}

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

.page-products .dl-detail p {
  margin: 0;
  padding: 0 0 20px;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--on-ink);
}

/* ---------- 场景 ---------- */

.page-products .dl-scenarios {
  display: grid;
  gap: 20px;
}

.page-products .dl-scenario {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 26px 22px;
  background: var(--dl-surface);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--sand);
  transition: border-top-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .dl-scenario:hover {
  border-top-color: var(--gold);
  transform: translateY(-3px);
}

.page-products .dl-scenario h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-scenario p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray);
}

.page-products .dl-scenario--ink {
  background: var(--ink);
  border-color: var(--ink);
  border-top-color: var(--gold);
}

.page-products .dl-scenario--ink h3 {
  color: var(--ivory);
}

.page-products .dl-scenario--ink p {
  color: var(--on-ink);
}

.page-products .dl-scenario .tag {
  justify-self: start;
}

/* ---------- 版本时间线 ---------- */

.page-products .dl-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-products .dl-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: rgba(11, 31, 58, 0.28);
}

.page-products .dl-timeline > li {
  position: relative;
  display: grid;
  gap: 5px;
  align-content: start;
}

.page-products .dl-timeline > li::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 11px;
  height: 11px;
  background: var(--ivory);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
}

.page-products .dl-tl-ver {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-products .dl-timeline h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .dl-timeline p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .dl-timeline-note {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--char);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-products .dl-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .dl-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .dl-section {
    padding: 72px 0;
  }

  .page-products .dl-head {
    grid-template-columns: 64px minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: end;
    column-gap: 28px;
  }

  .page-products .dl-devices {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .dl-catalog-wrap {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-products .dl-timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 20px;
    padding: 30px 0 0;
  }

  .page-products .dl-timeline::before {
    left: 0;
    right: 0;
    top: 5px;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-products .dl-timeline > li::before {
    left: 0;
    top: -30px;
  }
}

@media (min-width: 1080px) {
  .page-products .dl-hero {
    padding: 32px 0 64px;
  }

  .page-products .dl-hero-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-products .dl-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-device,
  .page-products .dl-scenario,
  .page-products .dl-catalog > li,
  .page-products .dl-index-list a,
  .page-products .dl-features > li {
    transition: none;
  }

  .page-products .dl-device:hover,
  .page-products .dl-scenario:hover,
  .page-products .dl-catalog > li:hover {
    transform: none;
  }
}