.page-products {
  --cat-pad: clamp(20px, 4vw, 56px);
  --cat-gap: 14px;
  --cat-card-bg: rgba(30, 38, 51, 0.72);
  background: var(--ink);
  color: var(--bone);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 6vw, 64px) 0 clamp(32px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-products .cat-hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-products .cat-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.34;
  filter: saturate(1.1);
}

.page-products .cat-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(80% 70% at 15% 20%, rgba(255, 90, 31, 0.28), transparent 62%),
    linear-gradient(180deg, rgba(11, 13, 18, 0.55) 0%, rgba(11, 13, 18, 0.92) 62%, var(--ink) 100%);
}

.page-products .cat-hero-shard {
  position: absolute;
  top: -18%;
  right: -22%;
  width: 62vw;
  height: 128%;
  z-index: -1;
  background: linear-gradient(160deg, rgba(255, 90, 31, 0.22), rgba(122, 92, 255, 0.12) 48%, transparent 74%);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .cat-hero-inner {
  position: relative;
}

.page-products .cat-hero .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
  font-size: 13px;
  color: var(--mist);
}

.page-products .cat-hero .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .cat-hero .breadcrumbs a:hover,
.page-products .cat-hero .breadcrumbs a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-products .cat-hero .eyebrow {
  color: var(--gold);
  font-family: var(--font-mono);
  letter-spacing: 0.18em;
  font-size: 12px;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-products .cat-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(32px, 7vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  max-width: 16em;
  text-shadow: 0 6px 32px rgba(11, 13, 18, 0.7);
}

.page-products .cat-hero .lede {
  max-width: 46em;
  color: var(--bone);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .cat-jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-products .cat-jump {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--bone);
  text-decoration: none;
  background: rgba(30, 38, 51, 0.66);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .cat-jump:hover,
.page-products .cat-jump:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .cat-jump-key {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--flame);
}

.page-products .cat-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .cat-stat {
  background: rgba(11, 13, 18, 0.82);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .cat-stat .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-products .cat-stat-label {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

/* ---------- 目录与筛选 ---------- */
.page-products .cat-index {
  padding-top: clamp(36px, 6vw, 72px);
}

.page-products .cat-head .section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.24;
  margin: 0 0 12px;
  color: var(--bone);
}

.page-products .cat-head-note {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
  max-width: 58em;
  margin: 0;
}

.page-products .cat-filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 12px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .cat-filters .filter-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 15px;
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--mist);
  background: rgba(30, 38, 51, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-products .cat-filters .filter-btn:hover,
.page-products .cat-filters .filter-btn:focus-visible {
  color: var(--bone);
  border-color: var(--line-strong);
}

.page-products .cat-filters .filter-btn[aria-pressed="true"],
.page-products .cat-filters .filter-btn[data-filter-active="true"] {
  color: #0B0D12;
  background: var(--flame);
  border-color: var(--flame);
  font-weight: 700;
}

.page-products .cat-filter-no {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.72;
}

.page-products .cat-filter-status {
  font-size: 12.5px;
  color: var(--mist);
  font-family: var(--font-mono);
  margin: 0 0 clamp(18px, 3vw, 26px);
}

/* ---------- 卡片网格 ---------- */
.page-products .cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
}

.page-products .cat-card {
  display: flex;
  flex-direction: column;
  align-self: start;
  background: var(--cat-card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(4px);
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.page-products .cat-card:hover,
.page-products .cat-card:focus-within {
  border-color: rgba(255, 90, 31, 0.55);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(7, 8, 12, 0.6);
}

.page-products .cat-card.is-filtered-out {
  display: none;
}

.page-products .cat-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  background:
    repeating-linear-gradient(115deg, rgba(255, 90, 31, 0.09) 0 6px, transparent 6px 14px),
    radial-gradient(120% 100% at 20% 0%, rgba(255, 90, 31, 0.24), transparent 62%),
    linear-gradient(160deg, #131924, #0B0D12 70%);
  overflow: hidden;
}

.page-products .cat-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.page-products .cat-card:hover .cat-cover img {
  transform: scale(1.04);
}

.page-products .cat-cover--blank::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(122, 92, 255, 0.16), transparent 55%),
    repeating-linear-gradient(0deg, rgba(168, 179, 199, 0.06) 0 1px, transparent 1px 12px);
}

.page-products .cat-no {
  position: absolute;
  left: 12px;
  top: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
  text-shadow: 0 2px 10px rgba(7, 8, 12, 0.9);
}

.page-products .cat-cover .tag {
  position: absolute;
  right: 10px;
  top: 12px;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
}

.page-products .cat-body {
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-products .cat-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .cat-body .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.32;
  color: var(--bone);
}

.page-products .cat-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .cat-ver {
  margin: 2px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-products .cat-ver .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-products .cat-ver-note {
  font-size: 11.5px;
  color: var(--mist);
}

.page-products .cat-spec {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 13, 18, 0.5);
}

.page-products .cat-spec > summary {
  cursor: pointer;
  list-style: none;
  padding: 9px 12px;
  font-size: 12.5px;
  color: var(--bone);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

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

.page-products .cat-spec > summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--flame);
  font-size: 15px;
  line-height: 1;
}

.page-products .cat-spec[open] > summary::after {
  content: "–";
}

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

.page-products .cat-spec-list {
  margin: 0;
  padding: 4px 12px 12px;
  display: grid;
  gap: 6px;
  border-top: 1px solid var(--line);
}

.page-products .cat-spec-list > div {
  display: grid;
  grid-template-columns: 5.4em minmax(0, 1fr);
  gap: 8px;
  padding-top: 6px;
}

.page-products .cat-spec-list dt {
  font-size: 12px;
  color: var(--mist);
}

.page-products .cat-spec-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--bone);
  word-break: break-word;
}

/* ---------- 版本条带 ---------- */
.page-products .cat-verline {
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: clamp(16px, 2.6vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  border-left: 3px solid var(--gold);
  background: linear-gradient(100deg, rgba(242, 193, 78, 0.1), rgba(30, 38, 51, 0.55) 46%, rgba(11, 13, 18, 0.2));
  border-radius: var(--radius);
}

.page-products .cat-verline-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .cat-verline .tag {
  margin-right: 8px;
}

/* ---------- 下载区 ---------- */
.page-products .cat-download {
  padding-top: clamp(38px, 6vw, 76px);
  padding-bottom: clamp(38px, 6vw, 76px);
  background:
    linear-gradient(180deg, rgba(181, 46, 18, 0.16), transparent 34%),
    var(--ink-deep);
  border-top: 1px solid var(--line);
}

.page-products .cat-dl-wrap {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-products .cat-dl-copy .eyebrow {
  color: var(--flame);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-products .cat-dl-copy .section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.26;
  margin: 0 0 14px;
  color: var(--bone);
}

.page-products .cat-dl-lede {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-products .cat-dl-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  color: var(--bone);
}

.page-products .cat-dl-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--flame-deep);
}

.page-products .cat-dl-facts .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 19px;
  color: var(--cyan);
}

.page-products .cat-dl-fig {
  margin: 0;
}

.page-products .cat-dl-fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
}

.page-products .cat-dl-fig figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--mist);
}

.page-products .cat-steps {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: var(--cat-gap);
}

.page-products .cat-step {
  padding: clamp(18px, 2.6vw, 24px);
  background: rgba(30, 38, 51, 0.46);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .cat-step--faq {
  background: rgba(11, 13, 18, 0.6);
  border-color: rgba(255, 90, 31, 0.34);
}

.page-products .cat-step-title {
  margin: 0 0 12px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--bone);
}

.page-products .cat-step-title .num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--flame);
}

.page-products .cat-step-list {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .cat-step-list li::marker {
  color: var(--gold);
  font-family: var(--font-mono);
}

.page-products .cat-faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .cat-faq-list strong {
  color: var(--bone);
  font-weight: 700;
}

.page-products .cat-inline-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 230, 255, 0.4);
}

.page-products .cat-inline-link:hover,
.page-products .cat-inline-link:focus-visible {
  color: var(--bone);
  border-bottom-color: var(--bone);
}

/* ---------- 选择路径 ---------- */
.page-products .cat-paths {
  padding-top: clamp(38px, 6vw, 76px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-products .cat-path-grid {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .cat-path {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background: rgba(30, 38, 51, 0.42);
  border: 1px solid var(--line);
  border-top: 2px solid rgba(122, 92, 255, 0.6);
  border-radius: var(--radius);
}

.page-products .cat-path:nth-child(2) {
  border-top-color: rgba(255, 90, 31, 0.7);
}

.page-products .cat-path:nth-child(3) {
  border-top-color: rgba(242, 193, 78, 0.7);
}

.page-products .cat-path:nth-child(4) {
  border-top-color: rgba(57, 230, 255, 0.7);
}

.page-products .cat-path-no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  color: var(--mist);
  opacity: 0.8;
}

.page-products .cat-path .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.36;
  color: var(--bone);
}

.page-products .cat-path p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-products .cat-paths-cta {
  margin-top: clamp(22px, 3.4vw, 34px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .cat-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .cat-step--faq {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-products .cat-dl-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
  }

  .page-products .cat-verline {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-products .cat-verline-text {
    max-width: 60em;
  }
}

@media (min-width: 1024px) {
  .page-products .cat-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .cat-card {
    grid-column: span 4;
  }

  .page-products .cat-card:nth-of-type(1) {
    grid-column: span 5;
  }

  .page-products .cat-card:nth-of-type(2) {
    grid-column: span 4;
  }

  .page-products .cat-card:nth-of-type(3) {
    grid-column: span 3;
  }

  .page-products .cat-card:nth-of-type(1) .cat-cover,
  .page-products .cat-card:nth-of-type(2) .cat-cover,
  .page-products .cat-card:nth-of-type(3) .cat-cover {
    aspect-ratio: 3 / 4;
  }

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

  .page-products .cat-step--faq {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-card,
  .page-products .cat-cover img,
  .page-products .cat-jump {
    transition: none;
  }

  .page-products .cat-card:hover,
  .page-products .cat-card:focus-within {
    transform: none;
  }

  .page-products .cat-card:hover .cat-cover img {
    transform: none;
  }
}
<<<END>>>