.page-products {
  --dl-line: 3px;
  --dl-card-pad: 24px;
  display: block;
}

/* 面包屑 */
.page-products .breadcrumb {
  padding-top: 28px;
}
.page-products .breadcrumb-list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel);
}
.page-products .breadcrumb-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-products .breadcrumb-list a:hover {
  border-bottom-color: var(--cyan);
}
.page-products .breadcrumb-list [aria-current="page"] {
  color: var(--bone);
}

/* 首屏 */
.page-products .dl-hero {
  padding-top: 40px;
  padding-bottom: 56px;
}
.page-products .dl-hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-products .dl-hero-kicker {
  color: var(--cyan);
  margin: 0 0 14px;
}
.page-products .dl-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  font-size: clamp(34px, 8vw, 72px);
  line-height: 1.02;
  margin: 0 0 18px;
  color: var(--bone);
}
.page-products .dl-hero-lede {
  font-size: 17px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 46ch;
  margin: 0 0 22px;
}
.page-products .dl-hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--bone);
  margin-bottom: 20px;
}
.page-products .dl-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .dl-hero-chips li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 2px solid var(--steel);
  padding: 6px 14px;
  border-radius: var(--pill);
}
.page-products .dl-hero-visual {
  margin: 0;
  border: var(--dl-line) solid var(--steel);
  box-shadow: var(--hard-cyan);
  background: var(--ink-deep);
  overflow: hidden;
}
.page-products .dl-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* 顶部数据带 */
.page-products .dl-band-top {
  border-top: 3px solid var(--steel);
  border-bottom: 3px solid var(--steel);
}
.page-products .dl-band-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding-top: 28px;
  padding-bottom: 28px;
}
.page-products .dl-band-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 3px solid var(--cyan);
  padding-left: 14px;
}
.page-products .dl-band-item .stat-figure {
  color: var(--cyan);
}
.page-products .dl-band-label {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* 设备选择 */
.page-products .dl-device-deck {
  display: grid;
  gap: 22px;
}
.page-products .dl-device {
  border: var(--dl-line) solid var(--steel);
  box-shadow: var(--hard);
  background: var(--ink-deep);
  padding: var(--dl-card-pad);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}
.page-products .dl-device:hover,
.page-products .dl-device.is-active {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
  box-shadow: 12px 12px 0 rgba(0, 229, 255, .28);
}
.page-products .dl-device-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-products .dl-device-type {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}
.page-products .dl-device-name {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-size: 26px;
  line-height: 1.1;
  margin: 0;
  color: var(--bone);
}
.page-products .dl-device-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}
.page-products .dl-device-spec {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 12px;
  border-top: 2px solid var(--steel);
}
.page-products .dl-device-spec div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.page-products .dl-device-spec dt {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-products .dl-device-spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}
.page-products .dl-device-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-products .dl-device-steps li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}
.page-products .dl-device-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

/* 功能模块卡带 */
.page-products .dl-modules {
  padding-bottom: 0;
}
.page-products .dl-module-rail {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 20px 34px;
  margin-top: 12px;
  -webkit-overflow-scrolling: touch;
}
.page-products .dl-module {
  scroll-snap-align: start;
  flex: 0 0 84%;
  border: var(--dl-line) solid var(--steel);
  box-shadow: var(--hard);
  background: var(--teal);
  padding: var(--dl-card-pad);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.page-products .dl-module:hover {
  border-color: var(--cyan);
}
.page-products .dl-module-icon {
  color: var(--cyan);
  display: inline-flex;
  width: 48px;
  height: 48px;
  border: 2px solid var(--steel);
  align-items: center;
  justify-content: center;
  background: var(--ink-deep);
}
.page-products .dl-module .card-title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-size: 22px;
  margin: 0;
  color: var(--bone);
}
.page-products .dl-module .card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone);
  flex: 1;
}
.page-products .dl-module .card-meta {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  padding-top: 12px;
  border-top: 2px solid rgba(0, 229, 255, .3);
}

/* 全宽视觉 */
.page-products .dl-flow {
  padding-top: 0;
}
.page-products .dl-flow-visual {
  margin: 0;
  border: var(--dl-line) solid var(--steel);
  background: var(--ink-deep);
}

/* 联赛导航用法 */
.page-products .dl-nav-guide-grid {
  display: grid;
  gap: 34px;
}
.page-products .dl-nav-guide-head {
  grid-column: 1 / -1;
}
.page-products .dl-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: dls;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.page-products .dl-step {
  position: relative;
  padding: 22px 0 22px 62px;
  border-top: 2px solid var(--steel);
}
.page-products .dl-step:last-child {
  border-bottom: 2px solid var(--steel);
}
.page-products .dl-step-num {
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}
.page-products .dl-step-title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-size: 20px;
  margin: 0 0 8px;
  color: var(--bone);
}
.page-products .dl-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 52ch;
}
.page-products .dl-nav-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-products .dl-nav-aside .media-frame {
  margin: 0;
  border: var(--dl-line) solid var(--steel);
}
.page-products .dl-nav-aside .media-frame img {
  object-fit: cover;
}
.page-products .dl-aside-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  border-left: 3px solid var(--cyan);
  padding-left: 14px;
}
.page-products .dl-nav-aside .btn {
  align-self: flex-start;
}

/* 版本日志 */
.page-products .dl-version-visual {
  margin: 0 0 28px;
  border: var(--dl-line) solid var(--steel);
}
.page-products .dl-version-accordion .accordion-item {
  border: 2px solid var(--steel);
  border-bottom-width: 0;
  background: var(--ink-deep);
}
.page-products .dl-version-accordion .accordion-item:last-child {
  border-bottom-width: 2px;
}
.page-products .dl-version-accordion .accordion-item[data-open] {
  border-left: 4px solid var(--orange);
}
.page-products .dl-ver-tag {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
  min-width: 3.4em;
  text-align: left;
}
.page-products .dl-ver-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 17px;
  color: var(--bone);
}
.page-products .dl-ver-hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
  white-space: nowrap;
}
.page-products .dl-version-accordion .accordion-trigger {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  text-align: left;
}
.page-products .dl-ver-list {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}
.page-products .dl-ver-list li::marker {
  color: var(--cyan);
}

/* 安装步骤 */
.page-products .dl-install-grid {
  display: grid;
  gap: 32px;
}
.page-products .dl-install-head {
  grid-column: 1 / -1;
}
.page-products .dl-install-rail {
  position: relative;
}
.page-products .dl-install-svg {
  display: none;
  width: 100%;
  height: 40px;
  color: var(--steel);
}
.page-products .dl-install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}
.page-products .dl-install-step {
  border: 2px solid var(--steel);
  background: var(--ink-deep);
  padding: 22px 20px;
  transition: border-color var(--t-base), transform var(--t-base);
}
.page-products .dl-install-step.is-in {
  border-color: var(--cyan);
}
.page-products .dl-install-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--cyan);
  color: var(--cyan);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
}
.page-products .dl-install-step h3 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-size: 19px;
  margin: 0 0 8px;
  color: var(--bone);
}
.page-products .dl-install-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-products .dl-install-visual {
  margin: 0;
  border: var(--dl-line) solid var(--steel);
}

/* 设备要求 */
.page-products .dl-reqs-grid {
  align-items: start;
}
.page-products .dl-req-specs {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.page-products .dl-req {
  border-left: 3px solid var(--orange);
  padding-left: 16px;
}
.page-products .dl-req .label {
  display: block;
  color: var(--orange);
  margin-bottom: 6px;
}
.page-products .dl-req p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}
.page-products .dl-req-table-wrap {
  border: var(--dl-line) solid var(--steel);
  background: var(--ink-deep);
  box-shadow: var(--hard);
  overflow-x: auto;
}
.page-products .dl-req-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14.5px;
}
.page-products .dl-req-table th,
.page-products .dl-req-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 2px solid var(--steel);
}
.page-products .dl-req-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--teal);
}
.page-products .dl-req-table tbody th {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--bone);
}
.page-products .dl-req-table tbody td {
  color: var(--mist);
}
.page-products .dl-req-table tbody tr:last-child th,
.page-products .dl-req-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-products .dl-req-table tbody tr:hover {
  background: rgba(0, 229, 255, .06);
}

/* 帮助区块 */
.page-products .dl-help-panel {
  border: var(--dl-line) solid var(--steel);
  box-shadow: var(--hard);
  background: var(--wine);
  padding: 30px 22px;
  display: grid;
  gap: 28px;
}
.page-products .dl-help-copy .label {
  color: var(--amber);
  margin: 0 0 10px;
}
.page-products .dl-help-copy .section-title {
  color: var(--bone);
  margin: 0 0 14px;
}
.page-products .dl-help-copy p {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--bone);
  max-width: 56ch;
}
.page-products .dl-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .dl-help-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.page-products .dl-help-list > div {
  padding: 14px 0;
  border-top: 2px solid rgba(242, 245, 247, .25);
}
.page-products .dl-help-list > div:last-child {
  border-bottom: 2px solid rgba(242, 245, 247, .25);
}
.page-products .dl-help-list dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--bone);
  margin-bottom: 4px;
}
.page-products .dl-help-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(242, 245, 247, .82);
}

/* ============ 媒体查询 ============ */
@media (min-width: 640px) {
  .page-products .dl-band-inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .dl-module {
    flex: 0 0 46%;
  }
  .page-products .dl-install-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .dl-help-panel {
    padding: 40px 34px;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero {
    padding-top: 64px;
    padding-bottom: 80px;
  }
  .page-products .dl-hero-grid {
    grid-template-columns: 5fr 6fr;
    gap: 56px;
  }
  .page-products .dl-device-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .page-products .dl-module-rail {
    padding-left: max(20px, calc((100vw - var(--shell)) / 2));
    padding-right: max(20px, calc((100vw - var(--shell)) / 2));
  }
  .page-products .dl-module {
    flex: 0 0 clamp(240px, 24vw, 300px);
  }
  .page-products .dl-nav-guide-grid {
    grid-template-columns: 7fr 4fr;
    gap: 48px;
  }
  .page-products .dl-nav-guide-head {
    grid-column: 1 / 2;
  }
  .page-products .dl-install-rail {
    padding-top: 26px;
  }
  .page-products .dl-install-svg {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
  }
  .page-products .dl-install-steps {
    position: relative;
  }
  .page-products .dl-install-step {
    background: var(--ink-deep);
  }
  .page-products .dl-reqs-grid {
    gap: 46px;
  }
  .page-products .dl-help-panel {
    grid-template-columns: 6fr 5fr;
    gap: 44px;
    align-items: start;
    padding: 52px 48px;
  }
}

@media (min-width: 1200px) {
  .page-products .dl-help-panel {
    padding: 60px 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-install-step,
  .page-products .dl-device {
    transition: none;
  }
  .page-products .dl-install-step.is-in {
    transform: none;
  }
}