.page-products {
  --dl-gap: clamp(20px, 3vw, 40px);
  --dl-block-pad: clamp(28px, 4vw, 56px);
  --dl-radius: 0px;
}

.page-products .dl-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-block: clamp(24px, 3vw, 40px) clamp(36px, 5vw, 64px);
  align-items: end;
}

.page-products .dl-hero__main h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(38px, 8.6vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 14px 0 20px;
}

.page-products .dl-hero__main .lede {
  max-width: 46ch;
  color: var(--deep);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .dl-facts {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.page-products .dl-facts__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 12px 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  color: var(--maple);
  line-height: 1;
}

.page-products .dl-facts__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

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

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

/* 置顶更新 */
.page-products .dl-pinned-wrap {
  padding-block: clamp(8px, 2vw, 24px) clamp(36px, 5vw, 64px);
}

.page-products .dl-pinned {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-left: 6px solid var(--gold);
  border-radius: var(--dl-radius);
  padding: clamp(22px, 3.5vw, 44px);
}

.page-products .dl-pinned__tag {
  margin: 0 0 18px;
}

.page-products .dl-pinned__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 16px;
}

.page-products .dl-pinned__text {
  font-size: 17px;
  line-height: 1.8;
  color: var(--deep);
  margin: 0 0 20px;
}

.page-products .dl-pinned__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-pinned__list li {
  position: relative;
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .dl-pinned__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 8px;
  height: 8px;
  background: var(--gold);
}

.page-products .dl-pinned__list strong {
  font-weight: 700;
}

.page-products .dl-pinned__meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
  margin: 0;
}

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

/* 资料库双栏 */
.page-products .dl-library {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 48px);
  padding-bottom: clamp(48px, 6vw, 88px);
}

.page-products .dl-index {
  align-self: start;
  background: var(--ice-pale);
  border-top: 3px solid var(--ice);
  padding: 20px 20px 24px;
}

.page-products .dl-index .toc__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--deep);
  margin: 0 0 14px;
}

.page-products .dl-index .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 12px;
}

.page-products .dl-index .toc__link {
  display: block;
  padding: 7px 0;
  font-size: 14.5px;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 122, 148, 0.25);
}

.page-products .dl-index .toc__link:hover,
.page-products .dl-index .toc__link[aria-current="true"] {
  color: var(--maple);
  border-bottom-color: var(--maple);
}

.page-products .dl-index__note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .dl-library__body {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  min-width: 0;
}

/* 章节块 */
.page-products .dl-block {
  padding: var(--dl-block-pad) clamp(18px, 3vw, 40px);
  background: var(--paper);
  border-top: 1px solid var(--line-strong);
}

.page-products .dl-block--tint {
  background: var(--ice-pale);
  border-top-color: var(--ice);
}

.page-products .dl-block--deep {
  background: var(--deep);
  border-top-color: var(--gold);
}

.page-products .dl-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .dl-head__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold-ink);
}

.page-products .dl-block--deep .dl-head__num {
  color: var(--gold);
}

.page-products .dl-head__text h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-products .dl-block--deep .dl-head__text h2 {
  color: var(--snow);
}

.page-products .dl-head__text p {
  margin: 0;
  max-width: 58ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--deep);
}

.page-products .dl-block--deep .dl-head__text p {
  color: rgba(247, 251, 252, 0.82);
}

/* 筛选 */
.page-products .dl-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 2.5vw, 28px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-filter__btn {
  appearance: none;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--deep);
  border-radius: var(--dl-radius);
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-products .dl-filter__btn:hover {
  border-color: var(--maple);
  color: var(--maple);
}

.page-products .dl-filter__btn[aria-pressed="true"] {
  background: var(--maple);
  border-color: var(--maple);
  color: var(--snow);
}

/* 资料矩阵 */
.page-products .dl-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .dl-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: opacity 260ms ease, transform 260ms ease;
}

.page-products .dl-item[hidden] {
  display: none;
}

.page-products .dl-item__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
  margin-bottom: 8px;
}

.page-products .dl-item__title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-products .dl-item__text {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--deep);
}

.page-products .dl-item__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* 包里有什么 */
.page-products .dl-inside__figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-products .dl-inside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(11, 31, 42, 0.14);
  border: 1px solid rgba(11, 31, 42, 0.14);
}

.page-products .dl-pack {
  background: var(--paper);
  padding: 22px 20px;
}

.page-products .dl-pack__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--maple);
  border: 1px solid var(--maple);
  padding: 3px 8px;
  margin-bottom: 14px;
}

.page-products .dl-pack__title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 17.5px;
  line-height: 1.4;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-products .dl-pack__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--deep);
}

/* 下载前检查 */
.page-products .dl-check {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-products .dl-check__list {
  display: grid;
  gap: 12px;
}

.page-products .dl-check__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 16px 16px 14px;
  background: var(--snow);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-products .dl-check__item:hover {
  border-color: var(--ice);
}

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

.page-products .dl-check__box {
  width: 26px;
  height: 26px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  position: relative;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-products .dl-check__box::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 3px;
  width: 8px;
  height: 14px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg) scale(0.6);
  opacity: 0;
  transition: opacity 160ms ease, transform 160ms ease;
}

.page-products .dl-check__input:checked + .dl-check__box {
  background: var(--gold);
  border-color: var(--gold);
}

.page-products .dl-check__input:checked + .dl-check__box::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

.page-products .dl-check__input:focus-visible + .dl-check__box {
  outline: 2px solid var(--maple);
  outline-offset: 2px;
}

.page-products .dl-check__item:has(.dl-check__input:checked) {
  background: var(--paper);
  border-color: var(--gold);
}

.page-products .dl-check__content {
  display: block;
  min-width: 0;
}

.page-products .dl-check__label {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.page-products .dl-check__hint {
  display: block;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--deep);
}

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

/* 问题路径 */
.page-products .dl-routes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .dl-route {
  display: grid;
  gap: 8px;
  padding: 22px 20px;
  background: rgba(247, 251, 252, 0.06);
  border: 1px solid var(--line-invert);
  text-decoration: none;
  transition: background-color 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.page-products .dl-route:hover {
  background: rgba(247, 251, 252, 0.12);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .dl-route__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .dl-route__title {
  font-size: 17.5px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--snow);
}

.page-products .dl-route__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 251, 252, 0.78);
}

.page-products .dl-route__go {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--maple-hot);
  border-bottom: 1px solid rgba(228, 87, 46, 0.5);
  justify-self: start;
  padding-bottom: 2px;
}

.page-products .dl-support__note {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 251, 252, 0.72);
}

.page-products .dl-support__note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 181, 68, 0.5);
}

.page-products .dl-support__note a:hover {
  color: var(--snow);
  border-bottom-color: var(--snow);
}

/* 版本归档 */
.page-products .dl-archive__figure {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-products .dl-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .dl-timeline__node {
  position: relative;
  padding: 18px 0 0;
  border-top: 2px solid var(--line-strong);
  display: grid;
  gap: 6px;
}

.page-products .dl-timeline__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: -6px;
  width: 10px;
  height: 10px;
  background: var(--slate);
}

.page-products .dl-timeline__node--now {
  border-top-color: var(--maple);
}

.page-products .dl-timeline__node--now::before {
  background: var(--maple);
  width: 12px;
  height: 12px;
  top: -7px;
}

.page-products .dl-timeline__ver {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--slate);
  line-height: 1;
}

.page-products .dl-timeline__node--now .dl-timeline__ver {
  color: var(--maple);
}

.page-products .dl-timeline__label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-products .dl-timeline__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--deep);
}

.page-products .dl-archive__note {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* 下一条路径 */
.page-products .dl-next {
  padding: clamp(24px, 3.5vw, 40px);
  background: var(--ice-pale);
  border-left: 6px solid var(--maple);
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-products .dl-next__lead {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--maple);
}

.page-products .dl-next__text {
  margin: 0;
  max-width: 56ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--deep);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-products .dl-index .toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .dl-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 36px);
  }

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

@media (min-width: 900px) {
  .page-products .dl-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-products .dl-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .dl-pinned {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .dl-library {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(24px, 3vw, 44px);
  }

  .page-products .dl-index {
    position: sticky;
    top: 96px;
  }

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

  .page-products .dl-head {
    grid-template-columns: var(--num-col) minmax(0, 1fr);
    gap: clamp(16px, 2vw, 28px);
  }

  .page-products .dl-head__num {
    padding-top: 6px;
    font-size: 14px;
  }

  .page-products .dl-check {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

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

  .page-products .dl-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 3vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-item,
  .page-products .dl-route,
  .page-products .dl-check__box,
  .page-products .dl-check__box::after,
  .page-products .dl-check__item,
  .page-products .dl-filter__btn {
    transition: none;
  }
}
<<<END>>>