.page-products {
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .breadcrumb {
  padding-top: clamp(1rem, 2.5vw, 1.75rem);
}

.page-products a {
  color: inherit;
}

.page-products .mono {
  font-family: var(--font-mono);
}

.page-products .dl-cap {
  margin: 0.6rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.page-products .dl-cap--ink {
  color: var(--ink-700);
}

/* ---------- 首屏封面 ---------- */
.page-products .dl-cover {
  position: relative;
  padding: clamp(1.75rem, 4vw, 3.5rem) 0 clamp(2.25rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.page-products .dl-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: var(--grid-cell) var(--grid-cell);
  -webkit-mask-image: radial-gradient(ellipse at 30% 10%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse at 30% 10%, #000 0%, transparent 78%);
  opacity: 0.85;
  pointer-events: none;
}

.page-products .dl-cover__grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
  align-items: center;
}

.page-products .dl-cover__text .eyebrow {
  color: var(--cyan);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  margin: 0 0 0.9rem;
}

.page-products .dl-cover__text h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  max-width: 20ch;
}

.page-products .dl-cover__lede {
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 54ch;
  margin: 0 0 1.6rem;
}

.page-products .dl-cover__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
}

.page-products .dl-cover__stats li {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.page-products .dl-stat__num {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-products .dl-stat__label {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-products .dl-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-products .dl-cover__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  padding: 0.5rem;
  background: var(--ink-800);
}

.page-products .dl-cover__figure img,
.page-products .dl-paper__figure img,
.page-products .dl-matrix-figure img,
.page-products .dl-flow__figure img,
.page-products .dl-versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .dl-cover__figure img {
  aspect-ratio: 14 / 9;
}

/* ---------- 主体两栏 ---------- */
.page-products .dl-body {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .dl-axis__label {
  margin: 0 0 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.page-products .dl-axis__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.4rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .dl-axis__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .dl-axis__list a .mono {
  color: var(--muted);
  font-size: 0.7rem;
}

.page-products .dl-axis__list a:hover,
.page-products .dl-axis__list a:focus-visible {
  border-color: var(--line-cyan);
  color: var(--cyan);
  background: rgba(56, 242, 208, 0.06);
}

.page-products .dl-stream {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  min-width: 0;
}

.page-products .dl-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-products .dl-section__head {
  margin-bottom: clamp(1rem, 2.4vw, 1.6rem);
}

.page-products .dl-section__head .eyebrow {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .dl-section__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 2.05rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

.page-products .dl-section__head p:not(.eyebrow) {
  margin: 0;
  max-width: 62ch;
  line-height: 1.8;
  font-size: 0.94rem;
  color: var(--text-soft);
}

/* ---------- 三类清单 ---------- */
.page-products .dl-folders {
  display: grid;
  gap: clamp(0.75rem, 2vw, 1.1rem);
}

.page-products .dl-folder {
  --card-accent: var(--cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1rem, 2.4vw, 1.4rem);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--card-accent);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-products .dl-folder:hover,
.page-products .dl-folder:focus-within {
  border-color: var(--line-strong);
  border-left-color: var(--card-accent);
  transform: translateY(-2px);
}

.page-products .dl-folder--sage {
  --card-accent: var(--sage);
}

.page-products .dl-folder--amber {
  --card-accent: var(--amber);
}

.page-products .dl-folder__num {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--card-accent);
}

.page-products .dl-folder__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.35;
}

.page-products .dl-folder__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .dl-folder__meta {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  display: grid;
  gap: 0.2rem;
}

.page-products .dl-folder__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-products .dl-folder__link {
  margin-top: auto;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--cyan);
}

.page-products .dl-folder__link:hover {
  color: var(--paper);
}

/* ---------- 服务清单（纸本区） ---------- */
.page-products .dl-paper {
  background: var(--paper);
  color: var(--paper-ink);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--cyan);
  padding: clamp(1.1rem, 3vw, 2rem);
}

.page-products .dl-paper__head .eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-700);
}

.page-products .dl-paper__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  line-height: 1.24;
  margin: 0 0 0.7rem;
  color: var(--paper-ink);
}

.page-products .dl-paper__head p {
  margin: 0;
  max-width: 60ch;
  line-height: 1.8;
  font-size: 0.92rem;
  color: var(--ink-700);
}

.page-products .dl-paper__grid {
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.75rem);
  margin-top: clamp(1.1rem, 2.6vw, 1.6rem);
}

.page-products .dl-paper__figure {
  margin: 0;
  border: 1px solid rgba(26, 39, 51, 0.16);
  background: var(--haze);
  padding: 0.4rem;
}

.page-products .dl-paper__figure img {
  aspect-ratio: 3 / 4;
}

.page-products .dl-groups {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
}

.page-products .dl-group {
  border-top: 1px solid rgba(26, 39, 51, 0.18);
  padding-top: 0.75rem;
}

.page-products .dl-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.page-products .dl-group__no {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: #fff;
  background: var(--ink-800);
  padding: 0.12rem 0.4rem;
}

.page-products .dl-group__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper-ink);
}

.page-products .dl-group__count {
  margin-left: auto;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-700);
}

.page-products .dl-group__list {
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.32rem;
}

.page-products .dl-group__list li {
  display: flex;
  gap: 0.55rem;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--ink-700);
}

.page-products .dl-group__list li .mono {
  flex: none;
  color: var(--cobalt);
  font-size: 0.72rem;
  padding-top: 0.15rem;
}

/* ---------- 适配矩阵 ---------- */
.page-products .dl-matrix-figure,
.page-products .dl-flow__figure,
.page-products .dl-versions__figure {
  margin: 0 0 1rem;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 0.4rem;
}

.page-products .dl-matrix-figure img {
  aspect-ratio: 7 / 4;
}

.page-products .dl-matrix {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  background: var(--ink-800);
  scrollbar-width: thin;
}

.page-products .dl-matrix:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .dl-table {
  width: 100%;
  min-width: 40rem;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: left;
}

.page-products .dl-table__caption {
  caption-side: top;
  text-align: left;
  padding: 0.7rem 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--line);
}

.page-products .dl-table th,
.page-products .dl-table td {
  padding: 0.62rem 0.85rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .dl-table thead th {
  background: var(--ink-700);
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.page-products .dl-table tbody th {
  position: sticky;
  left: 0;
  background: var(--ink-800);
  font-weight: 500;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.page-products .dl-table tbody tr:nth-child(even) th,
.page-products .dl-table tbody tr:nth-child(even) td {
  background: rgba(11, 27, 43, 0.55);
}

.page-products .dl-table tbody tr:hover th,
.page-products .dl-table tbody tr:hover td {
  background: rgba(56, 242, 208, 0.07);
}

.page-products .dl-yes {
  color: var(--cyan);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.page-products .dl-hint {
  display: inline-block;
  padding: 0.1rem 0.42rem;
  font-size: 0.72rem;
  color: var(--ink-900);
  background: var(--amber);
}

.page-products .dl-matrix__note {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 58ch;
}

/* ---------- 下载流程 ---------- */
.page-products .dl-flow {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  padding: clamp(1.1rem, 3vw, 1.9rem);
}

.page-products .dl-flow__figure img {
  aspect-ratio: 2 / 1;
}

.page-products .dl-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-products .dl-step {
  position: relative;
  padding: 0.85rem 0.95rem 0.95rem;
  border: 1px solid var(--line);
  background: rgba(11, 27, 43, 0.55);
}

.page-products .dl-step__no {
  display: block;
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.page-products .dl-step h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
}

.page-products .dl-step p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- 版本差异 ---------- */
.page-products .dl-versions__grid {
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.6rem);
}

.page-products .dl-versions__list {
  display: grid;
  gap: 0.6rem;
  min-width: 0;
}

.page-products .dl-version {
  border: 1px solid var(--line);
  background: rgba(18, 41, 63, 0.65);
}

.page-products .dl-version[open] {
  border-color: var(--line-cyan);
}

.page-products .dl-version summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  padding: 0.8rem 0.9rem;
  cursor: pointer;
  list-style: none;
}

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

.page-products .dl-version summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--cyan);
}

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

.page-products .dl-version summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .dl-version__name {
  font-size: 0.92rem;
  font-weight: 600;
}

.page-products .dl-version__meta {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.page-products .dl-version__body {
  padding: 0 0.9rem 0.95rem;
  border-top: 1px dashed var(--line-strong);
  margin-top: 0.2rem;
  padding-top: 0.75rem;
}

.page-products .dl-version__body p {
  margin: 0 0 0.6rem;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-products .dl-version__body ul {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.3rem;
}

.page-products .dl-version__body li {
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .dl-versions__figure img {
  aspect-ratio: 10 / 7;
}

/* ---------- 结尾通道 ---------- */
.page-products .dl-close {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.1rem, 3vw, 1.9rem);
  border: 1px solid var(--line-cyan);
  background:
    linear-gradient(120deg, rgba(56, 242, 208, 0.08), transparent 55%),
    var(--ink-800);
}

.page-products .dl-close h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  margin: 0 0 0.6rem;
  line-height: 1.28;
}

.page-products .dl-close p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 56ch;
}

.page-products .dl-close p a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .dl-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

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

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

@media (min-width: 900px) {
  .page-products .dl-cover__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-products .dl-body {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(2rem, 3.5vw, 3.25rem);
    align-items: start;
  }

  .page-products .dl-axis {
    position: sticky;
    top: 6.5rem;
    border-right: 1px solid var(--line);
    padding-right: 1rem;
  }

  .page-products .dl-axis__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .dl-axis__list a {
    border: 0;
    border-left: 2px solid var(--line);
    padding: 0.42rem 0.75rem;
    justify-content: flex-start;
    width: 100%;
  }

  .page-products .dl-axis__list a:hover,
  .page-products .dl-axis__list a:focus-visible {
    border-left-color: var(--cyan);
  }

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

  .page-products .dl-paper {
    padding: clamp(1.5rem, 3vw, 2.4rem);
  }

  .page-products .dl-paper__grid {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: clamp(1.25rem, 3vw, 2.25rem);
  }

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

  .page-products .dl-versions__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-products .dl-versions__figure {
    margin-bottom: 0;
  }

  .page-products .dl-close {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 1.75rem;
  }
}

@media (min-width: 1120px) {
  .page-products .dl-paper__grid {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .page-products .dl-versions__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-folder,
  .page-products .dl-axis__list a {
    transition: none;
  }

  .page-products .dl-folder:hover,
  .page-products .dl-folder:focus-within {
    transform: none;
  }
}