.page-products {
  --dl-gap: clamp(28px, 5vw, 56px);
  --dl-surface: linear-gradient(180deg, rgba(18, 32, 60, .92), rgba(12, 20, 40, .94));
  --dl-surface-soft: linear-gradient(180deg, rgba(18, 32, 60, .72), rgba(7, 12, 24, .92));
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products .breadcrumb {
  margin-bottom: 22px;
}

.page-products .dl-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-products .section-title {
  max-width: 24ch;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  padding-top: clamp(24px, 5vw, 52px);
}

.page-products .dl-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-products .dl-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: clamp(30px, 7vw, 60px);
  line-height: 1.12;
  letter-spacing: .03em;
  color: var(--paper-050);
}

.page-products .dl-hero .lead {
  margin-top: 18px;
  max-width: 46ch;
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .dl-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 28px 0 0;
  padding: 0;
  font-size: 13.5px;
  color: var(--steel-300);
}

.page-products .dl-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .dl-scope {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(56, 224, 208, .10), transparent 58%),
    var(--dl-surface);
  box-shadow: var(--shadow-panel);
}

.page-products .dl-scope::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -32%;
  width: 32%;
  background: linear-gradient(90deg, transparent, rgba(56, 224, 208, .09), transparent);
  animation: dl-scope-scan 15s linear infinite;
  pointer-events: none;
}

@keyframes dl-scope-scan {
  from { transform: translateX(0); }
  to { transform: translateX(420%); }
}

.page-products .dl-scope__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--steel-300);
}

.page-products .dl-scope__call {
  flex: 1 1 auto;
  min-width: 0;
}

.page-products .dl-scope__wave {
  display: block;
  width: 100%;
  height: 84px;
  margin: 18px 0 6px;
}

.page-products .dl-scope__wave .wave-line {
  fill: none;
  stroke: var(--signal-cyan);
  stroke-width: 2;
  stroke-linecap: round;
  opacity: .9;
}

.page-products .dl-scope__wave .wave-base {
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 3 7;
}

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

.page-products .dl-scope__rows li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--paper-050);
}

.page-products .dl-scope__key {
  color: var(--steel-300);
  font-size: 13px;
}

/* ---------- 设备切换 ---------- */
.page-products .dev-switch {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .dev-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .dev-switch__dial {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .dev-switch__tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 3px 14px;
  padding: 15px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: rgba(12, 20, 40, .55);
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .dev-switch__tab:hover {
  border-color: var(--line);
}

.page-products .dev-switch__idx {
  grid-row: span 2;
  align-self: center;
  font-size: 19px;
  color: var(--steel-500);
  transition: color .2s var(--ease);
}

.page-products .dev-switch__name {
  font-family: var(--font-title);
  font-size: 15.5px;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-products .dev-switch__hint {
  font-size: 12.5px;
  color: var(--steel-300);
}

.page-products .dev-switch__input--mobile:checked ~ .dev-switch__dial .dev-switch__tab--mobile,
.page-products .dev-switch__input--desktop:checked ~ .dev-switch__dial .dev-switch__tab--desktop {
  border-color: var(--line-cyan);
  background: linear-gradient(90deg, rgba(56, 224, 208, .13), rgba(56, 224, 208, .02));
}

.page-products .dev-switch__input--mobile:checked ~ .dev-switch__dial .dev-switch__tab--mobile .dev-switch__idx,
.page-products .dev-switch__input--desktop:checked ~ .dev-switch__dial .dev-switch__tab--desktop .dev-switch__idx {
  color: var(--signal-cyan);
}

.page-products .dev-switch__input--mobile:focus-visible ~ .dev-switch__dial .dev-switch__tab--mobile,
.page-products .dev-switch__input--desktop:focus-visible ~ .dev-switch__dial .dev-switch__tab--desktop {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

.page-products .dev-switch__panels {
  min-width: 0;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--dl-surface-soft);
  box-shadow: var(--shadow-panel);
}

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

.page-products .dev-switch__input--mobile:checked ~ .dev-switch__panels .dev-panel--mobile,
.page-products .dev-switch__input--desktop:checked ~ .dev-switch__panels .dev-panel--desktop {
  display: block;
  animation: dl-panel-in .22s var(--ease) both;
}

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

.page-products .dev-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.4vw, 23px);
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-products .dev-panel p {
  margin: 0 0 16px;
  max-width: 54ch;
  color: var(--steel-300);
}

.page-products .dev-panel__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-products .dev-panel__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  color: var(--paper-050);
}

.page-products .tag-mono {
  flex: 0 0 auto;
  min-width: 6.5em;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--signal-cyan);
}

.page-products .dev-panel__note {
  margin: 0;
  font-size: 13.5px;
  color: var(--steel-300);
}

/* ---------- 面板用法 ---------- */
.page-products .dl-panel__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--dl-gap);
  align-items: start;
}

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

.page-products .media-frame--tall {
  aspect-ratio: 9 / 16;
}

.page-products .dl-panel .step-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  counter-reset: none;
}

.page-products .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-products .step__idx {
  font-size: 22px;
  color: var(--signal-cyan);
  line-height: 1.2;
}

.page-products .step__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-products .step__body p {
  margin: 0;
  max-width: 48ch;
  color: var(--steel-300);
}

/* ---------- 订阅路径 ---------- */
.page-products .dl-path {
  background: linear-gradient(180deg, transparent, rgba(18, 32, 60, .5) 22%, transparent 88%);
}

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

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

.page-products .media-frame--square {
  aspect-ratio: 4 / 3;
}

.page-products .node-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-products .node {
  position: relative;
  padding: 0 0 26px 36px;
}

.page-products .node:last-child {
  padding-bottom: 0;
}

.page-products .node::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 16px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line-cyan), var(--line-soft));
}

.page-products .node:last-child::before {
  display: none;
}

.page-products .node__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--line-cyan);
  background: var(--signal-deep);
  box-shadow: inset 0 0 0 3px var(--space-900);
}

.page-products .node--end .node__dot {
  border-color: transparent;
  background: var(--pulse-orange);
  box-shadow: 0 0 0 5px rgba(255, 138, 61, .16);
}

.page-products .node h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-products .node p {
  margin: 0;
  max-width: 46ch;
  color: var(--steel-300);
}

/* ---------- 版本对照 ---------- */
.page-products .dl-table-scroll {
  overflow-x: auto;
  margin: 0 0 clamp(24px, 3.5vw, 40px);
  border-radius: var(--radius-m);
}

.page-products .dl-version__table {
  min-width: 560px;
}

.page-products .dl-version__table th[scope="row"] {
  width: 7.5em;
  white-space: nowrap;
}

.page-products .dl-version__table td .num,
.page-products .dl-version__table caption {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

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

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

.page-products .media-frame--wide {
  aspect-ratio: 16 / 10;
}

.page-products .dl-version__side h3 {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-products .version-track {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-products .version-track li {
  display: grid;
  grid-template-columns: 4.5em minmax(0, 1fr);
  gap: 14px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--steel-300);
}

.page-products .version-track li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .version-track .num {
  color: var(--signal-cyan);
}

.page-products .version-track .num--warm {
  color: var(--pulse-orange);
}

.page-products .dl-version__note {
  margin: 0;
  max-width: 44ch;
  font-size: 13.5px;
  color: var(--steel-300);
}

/* ---------- 设备适配 ---------- */
.page-products .dl-adapt__table {
  min-width: 620px;
}

.page-products .dl-adapt__table th[scope="row"] {
  width: 7em;
  white-space: nowrap;
}

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

/* ---------- 扫描过渡 ---------- */
.page-products .dl-scan {
  margin: 0;
  padding: 0 var(--gutter);
}

.page-products .dl-scan .media-frame {
  max-width: var(--maxw);
  margin: 0 auto;
  border-radius: var(--radius-m);
}

.page-products .dl-scan .media-frame__cap {
  display: block;
  max-width: var(--maxw);
  margin: 12px auto 0;
}

/* ---------- 排查清单 ---------- */
.page-products .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .check-item {
  position: relative;
}

.page-products .check-item__box {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .check-item__label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 6px 18px;
  align-items: start;
  padding: 20px 4px;
  border-top: 1px solid var(--line-soft);
  cursor: pointer;
  transition: background .2s var(--ease);
}

.page-products .check-list .check-item:last-child .check-item__label {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .check-item__idx {
  font-size: 24px;
  line-height: 1.1;
  color: var(--steel-500);
  transition: color .2s var(--ease);
}

.page-products .check-item__body {
  max-width: 58ch;
  color: var(--steel-300);
}

.page-products .check-item__body strong {
  color: var(--paper-050);
  font-weight: 600;
}

.page-products .check-item__mark {
  width: 14px;
  height: 14px;
  margin-top: 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products .check-item__box:checked + .check-item__label .check-item__idx {
  color: var(--signal-cyan);
}

.page-products .check-item__box:checked + .check-item__label .check-item__mark {
  border-color: var(--signal-cyan);
  background: var(--signal-cyan);
  box-shadow: inset 0 0 0 3px var(--space-900);
}

.page-products .check-item__box:focus-visible + .check-item__label {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 4px;
}

/* ---------- 收藏回访 ---------- */
.page-products .dl-revisit__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: clamp(24px, 4vw, 40px);
}

.page-products .dl-revisit__main p {
  margin: 14px 0 0;
  max-width: 58ch;
  color: var(--steel-300);
}

.page-products .dl-revisit__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .dl-hero__actions .btn,
  .page-products .dl-revisit__links .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero__grid {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-products .dev-switch {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: 24px;
  }

  .page-products .dl-panel__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  }

  .page-products .dl-path__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-products .dl-version__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-products .dl-revisit__panel {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1080px) {
  .page-products .dl-adapt__figure {
    max-width: 900px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-scope::after {
    animation: none;
    display: none;
  }

  .page-products .dev-switch__input:checked ~ .dev-switch__panels .dev-panel {
    animation: none;
  }

  .page-products .dev-switch__tab,
  .page-products .check-item__idx,
  .page-products .check-item__mark,
  .page-products .check-item__label {
    transition: none;
  }
}