.page-products {
  --dl-hair: rgba(57, 242, 208, .22);
  --dl-plate: rgba(6, 18, 15, .4);
}

.page-products .dl-h2 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.65rem, 3.4vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -.01em;
  margin: .45rem 0 .75rem;
}

.page-products .dl-section-head {
  max-width: 62ch;
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-products .dl-section-lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .band--paper .dl-h2,
.page-products .band--paper .dl-section-lede {
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3vw, 2.25rem) 0 clamp(2.5rem, 7vw, 5rem);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 52% at 86% 10%, rgba(57, 242, 208, .16), transparent 72%),
    radial-gradient(46% 42% at 8% 92%, rgba(255, 90, 54, .13), transparent 74%);
  pointer-events: none;
}

.page-products .dl-hero > .container {
  position: relative;
}

.page-products .dl-hero .breadcrumbs {
  margin-bottom: clamp(1.1rem, 3vw, 2rem);
}

.page-products .dl-hero__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-products .dl-hero__title {
  font-size: clamp(2.05rem, 5.2vw, 3.85rem);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -.015em;
  margin: .55rem 0 1rem;
  max-width: 20ch;
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 1.5rem 0 1.1rem;
}

.page-products .dl-hero__trust {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin: 0;
  max-width: 48ch;
  font-size: .85rem;
  line-height: 1.65;
  color: var(--text-soft);
}

.page-products .dl-hero__trust .cert-seal {
  flex: none;
}

.page-products .dl-hero__device {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.page-products .dl-phone {
  width: min(100%, 300px);
  padding: 10px;
  border-radius: 32px;
  border: 1px solid var(--dl-hair);
  background: linear-gradient(165deg, #1a4b3f, #08150f 62%);
  box-shadow: 0 34px 60px -34px rgba(0, 0, 0, .95), inset 0 0 0 1px rgba(255, 249, 238, .05);
}

.page-products .dl-phone__screen {
  border-radius: 23px;
  overflow: hidden;
  background: var(--ink-3);
}

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

.page-products .dl-version-plate {
  display: grid;
  justify-items: center;
  gap: .1rem;
  padding: .65rem 1.5rem .8rem;
  border: 1px dashed rgba(57, 242, 208, .4);
  border-radius: var(--radius);
  background: var(--dl-plate);
}

.page-products .dl-version-plate__label {
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .dl-version-plate__num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  line-height: 1;
  font-weight: 700;
  color: var(--cyan);
}

.page-products .dl-version-plate__meta {
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--text-soft);
}

/* ---------- 设备下载台 ---------- */
.page-products .dl-options {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-products .dl-console {
  position: relative;
}

.page-products .dl-tab-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-products .dl-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .5rem;
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .dl-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .75rem .5rem;
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
  background: var(--dl-plate);
  border: 1px solid rgba(57, 242, 208, .22);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .dl-tab:hover {
  border-color: rgba(57, 242, 208, .7);
  transform: translateY(-1px);
}

.page-products #dl-dev-ios:checked ~ .dl-tabs [for="dl-dev-ios"],
.page-products #dl-dev-android:checked ~ .dl-tabs [for="dl-dev-android"],
.page-products #dl-dev-win:checked ~ .dl-tabs [for="dl-dev-win"],
.page-products #dl-dev-mac:checked ~ .dl-tabs [for="dl-dev-mac"] {
  background: var(--cyan);
  color: var(--ink);
  border-color: var(--cyan);
}

.page-products #dl-dev-ios:focus-visible ~ .dl-tabs [for="dl-dev-ios"],
.page-products #dl-dev-android:focus-visible ~ .dl-tabs [for="dl-dev-android"],
.page-products #dl-dev-win:focus-visible ~ .dl-tabs [for="dl-dev-win"],
.page-products #dl-dev-mac:focus-visible ~ .dl-tabs [for="dl-dev-mac"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .dl-panel {
  display: none;
}

.page-products #dl-dev-ios:checked ~ .dl-panels .dl-panel--ios,
.page-products #dl-dev-android:checked ~ .dl-panels .dl-panel--android,
.page-products #dl-dev-win:checked ~ .dl-panels .dl-panel--win,
.page-products #dl-dev-mac:checked ~ .dl-panels .dl-panel--mac {
  display: block;
  animation: dl-tab-in .22s var(--ease);
}

@keyframes dl-tab-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.page-products .dl-panel__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .dl-panel__title {
  margin: .35rem 0 .2rem;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  color: var(--white);
}

.page-products .dl-panel__note {
  margin: 0 0 1.1rem;
  max-width: 54ch;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .dl-spec {
  display: grid;
  gap: .5rem;
  margin: 1rem 0 1rem;
  max-width: 54ch;
}

.page-products .dl-spec__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px dashed rgba(57, 242, 208, .16);
}

.page-products .dl-spec__row dt {
  margin: 0;
  font-size: .88rem;
  color: var(--mist);
}

.page-products .dl-spec__row dd {
  margin: 0;
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
}

/* ---------- 功能矩阵 ---------- */
.page-products .dl-features {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-products .dl-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-products .dl-feature {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1.2rem 1.15rem 1.3rem;
  background: var(--white);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-products .dl-feature:hover,
.page-products .dl-feature:focus-within {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 18px 32px -24px rgba(11, 31, 26, .9);
}

.page-products .dl-feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--cyan);
}

.page-products .dl-feature__title {
  margin: .25rem 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .dl-feature__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: rgba(11, 31, 26, .78);
}

.page-products .dl-feature__scene {
  margin: .35rem 0 0;
  font-size: .8rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--orange-deep);
}

.page-products .dl-feature--media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  background: var(--paper-2);
}

.page-products .dl-feature--media .media-frame {
  border-radius: 0;
}

.page-products .dl-feature--media .media-frame__caption {
  padding: .75rem 1.05rem;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper-2);
}

/* ---------- 安装步骤 ---------- */
.page-products .dl-install {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-products .dl-install__grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.page-products .dl-install__figure {
  margin: 0;
}

.page-products .dl-install__hint {
  margin: 1.2rem 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .dl-step {
  border-top: 1px solid var(--line-soft);
}

.page-products .dl-step:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .dl-step__head {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
}

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

.page-products .dl-step__num {
  flex: none;
  font-size: .85rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .dl-step__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-products .dl-step__chev {
  flex: none;
  margin-left: auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-products .dl-step[open] .dl-step__chev {
  transform: rotate(-135deg);
}

.page-products .dl-step__body {
  padding: 0 0 1.1rem .2rem;
}

.page-products .dl-step__body p {
  margin: 0 0 .5rem;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .dl-step__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 系统要求 ---------- */
.page-products .dl-req {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-products .dl-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  background: var(--dl-plate);
}

.page-products .dl-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
}

.page-products .dl-table th,
.page-products .dl-table td {
  padding: .85rem 1rem;
  text-align: left;
  font-size: .92rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .dl-table thead th {
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .dl-table tbody th {
  font-weight: 700;
  color: var(--white);
}

.page-products .dl-table tbody td {
  color: var(--text-soft);
}

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

.page-products .dl-req__note {
  margin: 1rem 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 同步 ---------- */
.page-products .dl-sync {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-products .dl-sync__grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.page-products .dl-sync__copy p {
  font-size: .97rem;
  line-height: 1.75;
  color: rgba(11, 31, 26, .82);
}

.page-products .dl-sync__list {
  display: grid;
  gap: .65rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-sync__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: .94rem;
  line-height: 1.7;
  color: rgba(11, 31, 26, .84);
}

.page-products .dl-sync__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--orange);
}

.page-products .dl-sync__figure {
  margin: 0;
}

/* ---------- 常见问题 ---------- */
.page-products .dl-faq {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-products .dl-faq__grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.6rem);
}

.page-products .dl-faq__links {
  display: grid;
  justify-items: start;
  gap: .8rem;
  margin-top: 1.2rem;
}

/* ---------- 认证 ---------- */
.page-products .dl-trust {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-products .dl-trust__grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.page-products .dl-trust__note {
  margin: 0 0 1.1rem;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .dl-trust__card {
  display: grid;
  justify-items: center;
  gap: .85rem;
  padding: 1.15rem;
  text-align: center;
  border: 1px solid rgba(214, 168, 75, .5);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(18, 53, 44, .88), rgba(6, 18, 15, .72));
}

.page-products .dl-trust__card img {
  width: 100%;
  max-width: 220px;
  height: auto;
  border-radius: var(--radius);
}

.page-products .dl-trust__card p {
  margin: 0;
  max-width: 30ch;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式与动效偏好 ---------- */
@media (max-width: 899px) {
  .page-products .dl-phone {
    transform: none;
  }
}

@media (min-width: 640px) {
  .page-products .dl-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .dl-feature--media {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-products .dl-phone {
    transform: rotate(-1.6deg);
  }

  .page-products .dl-version-plate {
    transform: rotate(1.4deg);
  }

  .page-products .dl-sync__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-products .dl-trust__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-products .dl-faq__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .dl-install__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .dl-feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .dl-feature--media {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-tab,
  .page-products .dl-feature,
  .page-products .dl-step__chev {
    transition: none;
  }

  .page-products .dl-feature:hover,
  .page-products .dl-feature:focus-within,
  .page-products .dl-tab:hover {
    transform: none;
  }

  .page-products #dl-dev-ios:checked ~ .dl-panels .dl-panel--ios,
  .page-products #dl-dev-android:checked ~ .dl-panels .dl-panel--android,
  .page-products #dl-dev-win:checked ~ .dl-panels .dl-panel--win,
  .page-products #dl-dev-mac:checked ~ .dl-panels .dl-panel--mac {
    animation: none;
  }
}
<<<END>>>