.page-products {
  --dl-glass: rgba(30, 58, 50, 0.55);
  --dl-line-soft: rgba(201, 207, 199, 0.12);
  --dl-shadow: 0 26px 64px -38px rgba(0, 0, 0, 0.95);
}

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

.page-products__crumb {
  padding-top: clamp(1rem, 3vw, 1.8rem);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 2.4rem) 0 clamp(2rem, 5vw, 3.6rem);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: -12% -6% 0;
  z-index: -1;
  background:
    radial-gradient(58% 68% at 84% 16%, rgba(198, 255, 61, 0.14), transparent 70%),
    linear-gradient(155deg, rgba(30, 58, 50, 0.78) 0%, rgba(11, 31, 26, 0) 64%);
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.55;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 96px, var(--dl-line-soft) 96px 97px),
    repeating-linear-gradient(0deg, transparent 0 96px, var(--dl-line-soft) 96px 97px);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 78%);
  mask-image: linear-gradient(180deg, #000, transparent 78%);
}

.page-products .dl-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}

.page-products .dl-hero h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 7.4vw, 4.2rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-products .dl-hero__lead {
  margin: 1rem 0 0;
  max-width: 48ch;
  font-size: var(--step-2);
  line-height: 1.78;
  color: var(--fg-muted);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.page-products .dl-hero__stage {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-products .dl-hero__media {
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--line-strong);
  background: var(--dl-glass);
  box-shadow: var(--dl-shadow);
}

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

.page-products .dl-hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  align-self: flex-start;
  margin: 0;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--bg-deep);
  font-size: var(--step-0);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.page-products .dl-hero__chip .num {
  color: var(--accent);
  letter-spacing: 0.08em;
}

.page-products .dl-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(198, 255, 61, 0.18);
  animation: dl-pulse 2.4s ease-in-out infinite;
}

@keyframes dl-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}

/* ---------- 横向带 ---------- */
.page-products .dl-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-deep);
}

.page-products .dl-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.4rem;
  padding: 0.9rem 0;
}

.page-products .dl-strip__label {
  font-size: var(--step-0);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-products .dl-strip__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--step-1);
  color: var(--fg-muted);
}

.page-products .dl-strip__list li {
  position: relative;
  padding-left: 0.85rem;
}

.page-products .dl-strip__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--c-clay);
}

/* ---------- 区块标题 ---------- */
.page-products .dl-sec-head {
  display: grid;
  gap: 0.8rem 2rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.4rem);
}

.page-products .dl-sec-head__lead {
  margin: 0;
  max-width: 48ch;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--fg-muted);
}

/* ---------- 资源卡 ---------- */
.page-products .dl-res__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.9rem, 2vw, 1.4rem);
}

.page-products .dl-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(30, 58, 50, 0.62), rgba(11, 31, 26, 0.76));
  box-shadow: var(--dl-shadow);
}

.page-products .dl-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 40px;
  background: var(--accent);
}

.page-products .dl-card--alt {
  background: linear-gradient(165deg, rgba(184, 116, 79, 0.22), rgba(11, 31, 26, 0.8));
}

.page-products .dl-card--alt::before {
  background: var(--c-clay);
}

.page-products .dl-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-products .dl-card__no {
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: 0;
  color: rgba(247, 242, 232, 0.22);
}

.page-products .dl-card__ver {
  font-size: var(--step-0);
  letter-spacing: 0.1em;
  color: var(--accent);
}

.page-products .dl-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 800;
  line-height: 1.18;
  color: var(--fg);
}

.page-products .dl-card__text {
  flex: 1;
  margin: 0;
  font-size: var(--step-1);
  line-height: 1.78;
  color: var(--fg-muted);
}

.page-products .dl-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-card__tags li {
  padding: 0.22rem 0.5rem;
  border: 1px solid var(--line-strong);
  font-size: var(--step-0);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.page-products .dl-card__cta {
  align-self: flex-start;
  margin-top: 0.2rem;
}

.page-products .dl-res__figure {
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--dl-glass);
}

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

.page-products .dl-res__figure .media__caption {
  margin-top: 0.6rem;
  font-size: var(--step-0);
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}

/* ---------- 四步自检 ---------- */
.page-products .dl-check__figure {
  margin: 0 0 clamp(1.2rem, 3vw, 2rem);
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--dl-glass);
}

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

.page-products .dl-check {
  display: grid;
  gap: 0.6rem;
}

.page-products .dl-check__item {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  background: var(--dl-glass);
}

.page-products .dl-check__item[open] {
  border-left-color: var(--accent);
}

.page-products .dl-check__item summary {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--fg);
}

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

.page-products .dl-check__box {
  flex: none;
  width: 15px;
  height: 15px;
  border: 1px solid var(--line-strong);
  position: relative;
}

.page-products .dl-check__item[open] .dl-check__box {
  background: var(--accent);
  border-color: var(--accent);
}

.page-products .dl-check__item[open] .dl-check__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
  transform: rotate(42deg);
}

.page-products .dl-check__no {
  font-size: var(--step-0);
  letter-spacing: 0.12em;
  color: var(--accent);
}

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

.page-products .dl-check__mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--fg-dim);
  transition: transform 0.2s ease, color 0.2s ease;
}

.page-products .dl-check__item[open] .dl-check__mark {
  color: var(--accent);
  transform: rotate(45deg);
}

.page-products .dl-check__body {
  padding: 0 1.1rem 1.1rem 3.1rem;
}

.page-products .dl-check__body p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-1);
  line-height: 1.8;
  color: var(--fg-muted);
}

/* ---------- 移动端 ---------- */
.page-products .dl-mobile__grid {
  display: grid;
  gap: clamp(1.4rem, 3.5vw, 3rem);
  align-items: start;
}

.page-products .dl-mobile__figure {
  margin: 0 auto;
  width: 100%;
  max-width: 380px;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--dl-glass);
}

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

.page-products .dl-mobile__copy > p {
  margin: 0.9rem 0 0;
  max-width: 50ch;
  font-size: var(--step-2);
  line-height: 1.78;
  color: var(--fg-muted);
}

.page-products .dl-mobile__list {
  display: grid;
  gap: 0.7rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--step-1);
  line-height: 1.72;
  color: var(--fg-muted);
}

.page-products .dl-mobile__list li {
  position: relative;
  padding-left: 1.1rem;
}

.page-products .dl-mobile__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--accent);
}

.page-products .dl-mobile__k {
  display: block;
  color: var(--fg);
  font-weight: 700;
}

.page-products .dl-note {
  margin-top: 1.4rem;
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--alert);
  background: rgba(255, 90, 54, 0.1);
}

.page-products .dl-note__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  color: var(--fg);
}

.page-products .dl-note p {
  margin: 0 0 0.9rem;
  font-size: var(--step-1);
  line-height: 1.78;
  color: var(--fg-muted);
}

/* ---------- 版本面板 ---------- */
.page-products .dl-spec {
  padding: clamp(1rem, 2.4vw, 1.8rem);
  border: 1px solid var(--line-strong);
}

.page-products .dl-spec__list {
  display: grid;
  margin: 0;
}

.page-products .dl-spec__row {
  display: grid;
  gap: 0.3rem;
  padding: 0.95rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .dl-spec__row:last-child {
  border-bottom: 0;
}

.page-products .dl-spec__row dt {
  font-size: var(--step-0);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-products .dl-spec__row dd {
  margin: 0;
  font-size: var(--step-1);
  line-height: 1.78;
  color: var(--fg-muted);
}

.page-products .dl-spec__foot {
  margin: 0.9rem 0 0;
  font-size: var(--step-1);
  line-height: 1.75;
  color: var(--fg-dim);
}

/* ---------- 取用说明 ---------- */
.page-products .dl-notes__grid {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.6rem);
  align-items: start;
}

.page-products .dl-notes__list {
  display: grid;
  gap: 1.2rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-notes__list h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  color: var(--fg);
}

.page-products .dl-notes__list p {
  margin: 0;
  max-width: 52ch;
  font-size: var(--step-1);
  line-height: 1.8;
  color: var(--fg-muted);
}

.page-products .dl-notes__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.page-products .dl-notes__figure {
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--dl-glass);
}

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

.page-products .dl-notes__figure .media__caption {
  margin-top: 0.6rem;
  font-size: var(--step-0);
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .dl-check__body {
    padding-left: 3.4rem;
  }
}

@media (min-width: 820px) {
  .page-products .dl-res__grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }

  .page-products .dl-res__item--a {
    grid-column: 1 / span 7;
  }

  .page-products .dl-res__item--b {
    grid-column: 8 / span 5;
  }

  .page-products .dl-res__figure {
    grid-column: 1 / span 5;
  }

  .page-products .dl-res__item--c {
    grid-column: 6 / span 7;
  }

  .page-products .dl-res__item--d {
    grid-column: 3 / span 9;
  }
}

@media (min-width: 860px) {
  .page-products .dl-sec-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }
}

@media (min-width: 880px) {
  .page-products .dl-mobile__grid {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  }

  .page-products .dl-mobile__figure {
    margin: 0;
    max-width: none;
  }

  .page-products .dl-notes__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }
}

@media (min-width: 760px) {
  .page-products .dl-spec__row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 1.6rem;
    align-items: baseline;
  }
}

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

  .page-products .dl-check__mark {
    transition: none;
  }
}