.page-products {
  --accent: var(--amber);
  --dl-line: rgba(200, 210, 224, 0.15);
  --dl-line-soft: rgba(200, 210, 224, 0.08);
  --dl-card: rgba(18, 33, 58, 0.66);
  --dl-cyan-soft: rgba(54, 230, 214, 0.08);
  --dl-amber-soft: rgba(255, 138, 42, 0.14);
}

.page-products section[id] {
  scroll-margin-top: 7rem;
}

.page-products .dl-crumb {
  padding-top: 1.4rem;
  padding-bottom: 0.25rem;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 3.5vw, 2.75rem) 0 clamp(2.25rem, 5vw, 4rem);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255, 138, 42, 0.16), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(54, 230, 214, 0.11), transparent 66%);
}

.page-products .dl-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-products .dl-hero h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--paper);
}

.page-products .dl-hero__sub {
  max-width: 48ch;
  margin: 1.1rem 0 0;
  font-size: clamp(0.96rem, 1.5vw, 1.06rem);
  line-height: 1.85;
  color: var(--silver-200);
}

.page-products .dl-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-products .dl-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin: 1.9rem 0 0;
  padding: 1.15rem 0 0;
  list-style: none;
  border-top: 1px solid var(--dl-line);
}

.page-products .dl-facts b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .dl-facts span {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.79rem;
  line-height: 1.5;
  color: var(--silver-500);
}

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

.page-products .dl-hero__fig .figure__frame {
  border: 1px solid var(--dl-line);
  overflow: hidden;
}

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

.page-products .dl-hero__fig .figure__cap {
  margin-top: 0.55rem;
  color: var(--silver-500);
  letter-spacing: 0.1em;
}

/* ---------- 批次色带 ---------- */
.page-products .dl-batch {
  border-top: 1px solid var(--dl-line);
  border-bottom: 1px solid var(--dl-line);
  background: linear-gradient(90deg, rgba(255, 138, 42, 0.12), rgba(54, 230, 214, 0.07) 55%, rgba(5, 10, 18, 0));
}

.page-products .dl-batch__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  padding: 0.9rem 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--silver-200);
}

.page-products .dl-batch__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-products .dl-batch__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px var(--dl-amber-soft);
}

/* ---------- 章节跳转条 ---------- */
.page-products .dl-jump {
  background: rgba(10, 20, 36, 0.55);
  border-bottom: 1px solid var(--dl-line-soft);
}

.page-products .dl-jump__inner {
  display: flex;
  gap: 0.5rem;
  padding: 0.7rem 0;
  overflow-x: auto;
}

.page-products .dl-jump a {
  flex: none;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--dl-line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--silver-200);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .dl-jump a:hover,
.page-products .dl-jump a:focus-visible {
  color: var(--ink-1000);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节通用 ---------- */
.page-products .dl-sec {
  padding: clamp(2.5rem, 5.5vw, 4.75rem) 0;
}

.page-products .dl-sec--alt {
  background: linear-gradient(180deg, rgba(18, 33, 58, 0.42), rgba(5, 10, 18, 0) 70%);
  border-top: 1px solid var(--dl-line-soft);
}

.page-products .dl-sec--paper {
  background: var(--paper);
  border-top: 1px solid rgba(27, 45, 74, 0.12);
  border-bottom: 1px solid rgba(27, 45, 74, 0.12);
}

.page-products .dl-head {
  max-width: 58ch;
}

.page-products .dl-head__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-products h2 {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.3vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .dl-lead {
  margin: 0.9rem 0 0;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--silver-200);
}

/* ---------- 索引总览 ---------- */
.page-products .dl-index__grid {
  display: grid;
  gap: 1.9rem;
}

.page-products .dl-years {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-year a {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  align-items: center;
  gap: 0.4rem 1rem;
  padding: 0.9rem 1rem 0.95rem 1.1rem;
  background: var(--dl-card);
  border: 1px solid var(--dl-line);
  border-left: 2px solid var(--amber);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .dl-year a:hover,
.page-products .dl-year a:focus-visible {
  background: var(--dl-cyan-soft);
  border-color: var(--cyan);
  border-left-color: var(--cyan);
  transform: translateX(3px);
}

.page-products .dl-year b {
  font-family: var(--font-mono);
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--paper);
}

.page-products .dl-year span {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--silver-200);
}

/* ---------- 终端矩阵 ---------- */
.page-products .dl-tablewrap {
  margin-top: 1.75rem;
  border: 1px solid var(--dl-line);
  background: rgba(5, 10, 18, 0.55);
  overflow-x: auto;
}

.page-products .dl-matrix {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  text-align: left;
}

.page-products .dl-matrix__cap {
  padding: 0.85rem 1rem 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--silver-500);
  text-align: left;
}

.page-products .dl-matrix th {
  padding: 0.8rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--silver-500);
  border-bottom: 1px solid var(--ink-700);
  vertical-align: bottom;
}

.page-products .dl-matrix tbody th {
  border-bottom: 1px solid var(--dl-line-soft);
  font-family: var(--font-body);
  letter-spacing: 0;
  font-size: 0.95rem;
  color: var(--paper);
}

.page-products .dl-matrix td {
  padding: 1rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--silver-200);
  border-bottom: 1px solid var(--dl-line-soft);
  vertical-align: top;
}

.page-products .dl-matrix tbody tr {
  transition: background-color 0.16s var(--ease);
}

.page-products .dl-matrix tbody tr:hover,
.page-products .dl-matrix tbody tr:focus-within {
  background: var(--dl-cyan-soft);
}

.page-products .dl-matrix td.mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  white-space: nowrap;
}

.page-products .dl-os {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--dl-line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--paper);
}

.page-products .dl-term__fig {
  margin: 1.9rem 0 0;
}

.page-products .dl-term__fig .figure__frame {
  border: 1px solid var(--dl-line);
  overflow: hidden;
}

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

.page-products .dl-term__fig .figure__cap {
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--silver-500);
}

/* ---------- 旧版对照 ---------- */
.page-products .dl-legacy {
  display: grid;
  gap: 1.9rem;
  align-items: start;
}

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

.page-products .dl-legacy__fig .figure__frame {
  border: 1px solid var(--dl-line);
  overflow: hidden;
}

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

.page-products .dl-legacy__fig .figure__cap {
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--silver-500);
}

.page-products .dl-idxlist {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.page-products .dl-idx {
  position: relative;
  display: grid;
  gap: 0.55rem;
  padding: 1rem 1.1rem 1.1rem;
  background: linear-gradient(180deg, rgba(18, 33, 58, 0.9), rgba(5, 10, 18, 0.86));
  border: 1px solid var(--dl-line);
}

.page-products .dl-idx::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--amber), var(--cyan));
}

.page-products .dl-idx__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.4vw, 1.55rem);
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-all;
}

.page-products .dl-idx__meta {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--silver-500);
}

.page-products .dl-idx__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
}

.page-products .dl-idx__link {
  font-size: 0.82rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .dl-idx__link:hover,
.page-products .dl-idx__link:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 折叠条目 ---------- */
.page-products details {
  border: 1px solid var(--dl-line-soft);
  background: rgba(10, 20, 36, 0.55);
  padding: 0.7rem 0.9rem;
}

.page-products summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  list-style: none;
}

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

.page-products summary::before {
  content: "+ ";
  color: var(--amber);
}

.page-products details[open] summary::before {
  content: "− ";
  color: var(--amber);
}

.page-products details p {
  margin: 0.6rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--silver-200);
}

/* ---------- 校验 ---------- */
.page-products .dl-verify {
  display: grid;
  gap: 1.9rem;
  align-items: start;
}

.page-products .dl-steps {
  display: grid;
  gap: 0.7rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: dlstep;
}

.page-products .dl-steps li {
  counter-increment: dlstep;
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding: 0.8rem 1rem;
  background: rgba(18, 33, 58, 0.5);
  border: 1px solid var(--dl-line-soft);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--silver-200);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-products .dl-steps li:hover {
  border-color: var(--dl-line);
  background: rgba(18, 33, 58, 0.75);
}

.page-products .dl-steps li::before {
  content: "0" counter(dlstep);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--amber);
}

.page-products .dl-hashlist {
  display: grid;
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.page-products .dl-hash {
  display: grid;
  gap: 0.55rem;
  padding: 1rem 1.1rem;
  background: rgba(5, 10, 18, 0.8);
  border: 1px solid var(--dl-line);
}

.page-products .dl-hash__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
}

.page-products .dl-hash__name {
  font-size: 0.92rem;
  color: var(--paper);
}

.page-products .dl-hash__meta {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.04em;
  color: var(--silver-500);
}

.page-products .dl-hash__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--cyan);
  word-break: break-all;
}

.page-products .dl-hash__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

.page-products .dl-verify__fig .figure__frame {
  border: 1px solid var(--dl-line);
  overflow: hidden;
}

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

.page-products .dl-verify__fig .figure__cap {
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--silver-500);
}

/* ---------- 纸面分类层 ---------- */
.page-products .dl-sec--paper .dl-head__num {
  color: #a8500a;
}

.page-products .dl-sec--paper h2 {
  color: var(--ink-950);
}

.page-products .dl-sec--paper .dl-lead {
  color: #33455f;
}

.page-products .dl-types {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 1.85rem;
  border: 1px solid rgba(27, 45, 74, 0.16);
  background: rgba(27, 45, 74, 0.16);
}

.page-products .dl-type {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--paper);
  transition: background-color 0.18s var(--ease);
}

.page-products .dl-type:hover {
  background: #e6ecf6;
}

.page-products .dl-type__n {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: #a8500a;
}

.page-products .dl-type h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--ink-950);
}

.page-products .dl-type p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: #3a4b66;
}

.page-products .dl-type a {
  justify-self: start;
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: #0b6f66;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-products .dl-type a:hover {
  color: #08544d;
}

.page-products .dl-type__fig {
  margin: 2rem 0 0;
}

.page-products .dl-type__fig .figure__frame {
  border: 1px solid rgba(27, 45, 74, 0.18);
  overflow: hidden;
}

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

.page-products .dl-type__fig .figure__cap {
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: #5a6b85;
}

/* ---------- 帮助与联系 ---------- */
.page-products .dl-help {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.page-products .dl-help__card {
  display: grid;
  align-content: start;
  gap: 0.5rem;
  padding: 1.15rem 1.2rem 1.25rem;
  background: var(--dl-card);
  border: 1px solid var(--dl-line);
  border-top: 2px solid var(--cyan);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-products .dl-help__card:hover {
  background: rgba(18, 33, 58, 0.9);
  border-color: var(--dl-line);
  border-top-color: var(--amber);
}

.page-products .dl-help__card h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--paper);
}

.page-products .dl-help__card p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--silver-200);
}

.page-products .dl-help__card a {
  justify-self: start;
  font-size: 0.84rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .dl-help__card a:hover,
.page-products .dl-help__card a:focus-visible {
  border-bottom-color: currentColor;
}

.page-products .dl-contact {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--dl-line);
}

.page-products .dl-contact dl {
  display: grid;
  gap: 1.1rem;
  margin: 0;
}

.page-products .dl-contact dt {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.14em;
  color: var(--silver-500);
}

.page-products .dl-contact dd {
  margin: 0.35rem 0 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-products .dl-contact dd a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .dl-contact dd a:hover,
.page-products .dl-contact dd a:focus-visible {
  border-bottom-color: currentColor;
}

.page-products .dl-contact__note {
  margin: 1rem 0 0;
  font-size: 0.79rem;
  line-height: 1.75;
  color: var(--silver-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .dl-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .dl-contact dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.75rem;
  }
}

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

  .page-products .dl-hero__fig {
    margin-right: calc(-1 * clamp(0px, 2vw, 26px));
  }

  .page-products .dl-index__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-products .dl-legacy {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 2.75rem;
  }

  .page-products .dl-legacy__fig {
    position: sticky;
    top: 7.5rem;
  }

  .page-products .dl-verify {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 2.75rem;
  }

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

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

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

@media (min-width: 1120px) {
  .page-products .dl-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-products .dl-type__fig {
    margin-left: auto;
    margin-right: auto;
    max-width: 860px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-year a,
  .page-products .dl-jump a,
  .page-products .dl-type,
  .page-products .dl-help__card,
  .page-products .dl-steps li,
  .page-products .dl-idx__link,
  .page-products .dl-matrix tbody tr {
    transition: none;
  }

  .page-products .dl-year a:hover,
  .page-products .dl-year a:focus-visible {
    transform: none;
  }
}
<<<END>>>