.page-products {
  --dl-gap: clamp(14px, 2.4vw, 26px);
  --dl-pad: clamp(18px, 2.6vw, 32px);
  --dl-r: 26px;
  --dl-edge: rgba(53, 240, 208, .30);
  --dl-panel: linear-gradient(158deg, rgba(22, 35, 61, .86), rgba(11, 20, 36, .92));
  padding-bottom: clamp(56px, 9vw, 110px);
  overflow-x: clip;
}

.page-products .crumbs {
  padding-block: clamp(14px, 2vw, 26px);
}

.page-products .dl-head {
  max-width: 780px;
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-products .dl-sub {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.8;
}

/* ---------- 首屏 ---------- */
.page-products .dl-intro {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  align-items: start;
  padding-top: clamp(8px, 2vw, 20px);
}

.page-products .dl-intro h1 {
  margin: .28em 0 .42em;
  font-size: clamp(30px, 7.2vw, 62px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--silver);
}

.page-products .dl-intro__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-products .dl-intro__media {
  margin: 0;
  border-radius: var(--dl-r);
  overflow: hidden;
  border: 1px solid var(--hair);
}

.page-products .dl-facts {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair-soft);
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .dl-fact {
  background: rgba(11, 20, 36, .92);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .dl-fact__k {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: .04em;
}

.page-products .dl-fact__v {
  font-size: 20px;
  color: var(--cyan);
  font-weight: 700;
}

.page-products .dl-fact__v .data-unit {
  font-size: 11px;
  margin-left: 3px;
  color: var(--mist);
  letter-spacing: .06em;
}

/* ---------- 设备选择 ---------- */
.page-products .dl-devices {
  display: grid;
  gap: var(--dl-gap);
}

.page-products .dl-devices__shot {
  margin: 0;
  border-radius: var(--dl-r);
  overflow: hidden;
  border: 1px solid var(--hair);
}

.page-products .dl-devices__stack {
  display: grid;
  gap: var(--dl-gap);
}

.page-products .dl-device {
  position: relative;
  background: var(--dl-panel);
  border: 1px solid var(--hair);
  border-radius: var(--dl-r);
  padding: var(--dl-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .35s var(--ease), transform .35s var(--ease), box-shadow .35s var(--ease);
}

.page-products .dl-device:hover {
  border-color: var(--dl-edge);
  transform: translateY(-3px);
  box-shadow: 0 24px 54px -34px var(--cyan-glow);
}

.page-products .dl-device--desk {
  background: linear-gradient(158deg, rgba(28, 44, 76, .92), rgba(11, 20, 36, .95));
  border-color: rgba(255, 154, 77, .28);
}

.page-products .dl-device--desk::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block: 22px;
  width: 3px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--warm), transparent);
}

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

.page-products .dl-device__name {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  color: var(--silver);
  letter-spacing: -.01em;
}

.page-products .dl-device__desc {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-products .dl-device__spec {
  margin: 4px 0 6px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .dl-device__spec div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  background: rgba(6, 10, 18, .55);
  padding: 9px 12px;
}

.page-products .dl-device__spec dt {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: .04em;
  flex: none;
}

.page-products .dl-device__spec dd {
  margin: 0;
  font-size: 13px;
  color: var(--silver);
  text-align: right;
  line-height: 1.5;
}

.page-products .dl-device__spec dd.data-num {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 16px;
  letter-spacing: .04em;
}

.page-products .dl-device__spec dd .data-unit {
  font-size: 11px;
  color: var(--mist);
  margin-left: 3px;
}

.page-products .dl-device .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 首次进入 ---------- */
.page-products .dl-entry {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
  background: radial-gradient(120% 100% at 100% 0%, rgba(53, 240, 208, .09), transparent 58%), var(--dl-panel);
  border: 1px solid var(--hair);
  border-radius: var(--dl-r);
  padding: var(--dl-pad);
}

.page-products .dl-entry__head h2 {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--silver);
  letter-spacing: -.01em;
}

.page-products .dl-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: dlstep;
}

.page-products .dl-step__box {
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  background: rgba(6, 10, 18, .5);
  padding: 12px 16px;
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}

.page-products .dl-step__box[open] {
  border-color: var(--dl-edge);
  background: rgba(22, 35, 61, .8);
  box-shadow: 0 22px 46px -34px var(--cyan-glow);
}

.page-products .dl-step__box summary {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 15px;
  color: var(--silver);
}

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

.page-products .dl-step__box summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 17px;
  line-height: 1;
  transition: transform .3s var(--ease);
}

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

.page-products .dl-step__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  border: 1px solid rgba(53, 240, 208, .38);
  border-radius: var(--r-pill);
  padding: 3px 9px;
}

.page-products .dl-step__label {
  min-width: 0;
}

.page-products .dl-step__tip {
  margin: 10px 0 2px;
  padding-top: 10px;
  border-top: 1px dashed var(--hair);
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.85;
}

/* ---------- 功能地图 ---------- */
.page-products .dl-features {
  display: grid;
  gap: var(--dl-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .dl-feat {
  padding: var(--dl-pad);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .dl-feat__icon {
  color: var(--cyan);
  margin-bottom: 2px;
}

.page-products .dl-feat .card-title {
  color: var(--silver);
  font-size: 17px;
  font-weight: 800;
  margin: 0;
}

.page-products .dl-feat .card-note {
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.85;
  margin: 0;
}

.page-products .dl-feat__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: auto 0 0;
  padding-top: 12px;
}

.page-products .dl-features .filter-empty {
  margin-top: 16px;
}

/* ---------- 同步 ---------- */
.page-products .dl-sync {
  display: grid;
  gap: clamp(20px, 3.4vw, 44px);
  align-items: center;
}

.page-products .dl-sync__text h2 {
  margin: 12px 0 14px;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  color: var(--silver);
  letter-spacing: -.01em;
}

.page-products .dl-sync__text p {
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.9;
  margin: 0 0 12px;
}

.page-products .dl-sync__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .dl-sync__list li {
  position: relative;
  padding-left: 20px;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .dl-sync__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 240, 208, .14);
}

.page-products .dl-sync__list strong {
  color: var(--silver);
  font-weight: 700;
  margin-right: 6px;
}

.page-products .dl-sync__media {
  margin: 0;
  border-radius: var(--dl-r);
  overflow: hidden;
  border: 1px solid var(--hair);
}

/* ---------- 安装检查 ---------- */
.page-products .dl-check {
  display: grid;
  gap: clamp(20px, 3.4vw, 44px);
  align-items: center;
}

.page-products .dl-check__media {
  margin: 0;
  border-radius: var(--dl-r);
  overflow: hidden;
  border: 1px solid var(--hair);
  max-width: 460px;
  justify-self: center;
  width: 100%;
}

.page-products .dl-check__body h2 {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  color: var(--silver);
  letter-spacing: -.01em;
}

.page-products .dl-checklist {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair-soft);
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .dl-check__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  background: rgba(11, 20, 36, .9);
  padding: 12px 16px;
  position: relative;
}

.page-products .dl-check__item::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block: 9px;
  width: 2px;
  border-radius: var(--r-pill);
  background: var(--cyan);
  opacity: .7;
}

.page-products .dl-check__item--size::before {
  background: var(--warm);
  opacity: .85;
}

.page-products .dl-check__sys {
  font-size: 13px;
  color: var(--mist);
  min-width: 0;
}

.page-products .dl-check__val {
  font-size: 13.5px;
  color: var(--silver);
  text-align: right;
  flex: none;
}

.page-products .dl-check__item--size .dl-check__val {
  font-family: var(--font-mono);
  color: var(--warm);
  font-size: 18px;
  letter-spacing: .04em;
}

.page-products .dl-check__item--size .data-unit {
  font-size: 11px;
  color: var(--mist);
  margin-left: 3px;
}

/* ---------- 版本时间轴 ---------- */
.page-products .dl-versions {
  padding-bottom: 10px;
  border-radius: var(--r-lg);
}

.page-products .dl-timeline {
  list-style: none;
  margin: 0;
  padding: 6px 2px 14px;
  display: flex;
  gap: 12px;
  min-width: max-content;
}

.page-products .dl-timeline__node {
  position: relative;
  width: min(74vw, 264px);
  flex: none;
  background: var(--dl-panel);
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .dl-timeline__node::after {
  content: "";
  position: absolute;
  right: -13px;
  top: 40px;
  width: 12px;
  height: 1px;
  background: rgba(53, 240, 208, .45);
}

.page-products .dl-timeline__node:last-child::after {
  display: none;
}

.page-products .dl-timeline__node--now {
  border-color: var(--dl-edge);
  box-shadow: 0 0 0 1px rgba(53, 240, 208, .10), 0 26px 54px -40px var(--cyan-glow);
}

.page-products .dl-timeline__ver {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
  line-height: 1.1;
}

.page-products .dl-timeline__ver .data-unit {
  font-size: 11px;
  color: var(--mist);
  margin-left: 4px;
  letter-spacing: .08em;
}

.page-products .dl-timeline__desc {
  margin: 0;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.8;
}

.page-products .dl-timeline__node .pill {
  align-self: flex-start;
}

.page-products .dl-versions__shot {
  margin: clamp(18px, 3vw, 28px) 0 0;
  border-radius: var(--dl-r);
  overflow: hidden;
  border: 1px solid var(--hair);
}

/* ---------- 联系收口 ---------- */
.page-products .dl-support {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
  background: radial-gradient(110% 90% at 0% 0%, rgba(255, 154, 77, .10), transparent 55%), var(--dl-panel);
  border: 1px solid var(--hair);
  border-radius: var(--dl-r);
  padding: var(--dl-pad);
}

.page-products .dl-support__body h2 {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--silver);
  letter-spacing: -.01em;
}

.page-products .dl-support__body p {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.9;
  margin: 14px 0 0;
}

.page-products .dl-support__contact {
  font-size: 13px !important;
  color: var(--silver) !important;
}

.page-products .dl-support__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .35);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-products .dl-support__link:hover,
.page-products .dl-support__link:focus-visible {
  color: var(--cyan-mist);
  border-bottom-color: var(--cyan-mist);
}

.page-products .dl-support__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-products .dl-support__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair-soft);
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .dl-support__links li {
  background: rgba(6, 10, 18, .55);
  padding: 14px 16px;
}

.page-products .dl-support__links .dl-support__link {
  border-bottom: none;
  font-size: 13.5px;
}

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

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

  .page-products .dl-feat--wide {
    grid-column: span 2;
  }
}

@media (min-width: 780px) {
  .page-products .dl-devices__stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .dl-device--web {
    margin-top: 30px;
  }

  .page-products .dl-device--app {
    margin-top: 60px;
  }

  .page-products .dl-entry {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-products .dl-sync,
  .page-products .dl-check {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

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

@media (min-width: 1000px) {
  .page-products .dl-intro {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }

  .page-products .dl-devices {
    grid-template-columns: minmax(0, .78fr) minmax(0, 2.22fr);
    align-items: start;
  }

  .page-products .dl-devices__shot {
    position: sticky;
    top: 24px;
  }

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

  .page-products .dl-feat--wide {
    grid-column: span 2;
  }

  .page-products .dl-support {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-device,
  .page-products .dl-step__box,
  .page-products .dl-support__link {
    transition: none;
  }

  .page-products .dl-device:hover {
    transform: none;
  }
}