.page-products {
  --pd-gap: clamp(14px, 2vw, 22px);
  --pd-notch: 22px;
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: clamp(18px, 4vw, 34px) 0 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .pd-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-products .pd-crumbs a {
  color: var(--cyan-soft);
  text-decoration: none;
}

.page-products .pd-crumbs a:hover,
.page-products .pd-crumbs a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-products .pd-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}

.page-products .pd-hero-copy {
  max-width: 34em;
}

.page-products .pd-h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 8.4vw, 5.2rem);
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .pd-h1-accent {
  display: inline-block;
  color: var(--cyan);
}

.page-products .pd-lede {
  margin: 22px 0 0;
  font-size: var(--body-size);
  line-height: 1.75;
  color: var(--paper);
  max-width: 30em;
}

.page-products .pd-lede-sub {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 32em;
}

.page-products .pd-hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pd-hero-figure {
  margin: 0;
}

.page-products .pd-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  max-height: 68vh;
}

/* ---------- 版本信息带 ---------- */
.page-products .pd-band {
  position: relative;
  margin-top: clamp(40px, 7vw, 80px);
  padding: clamp(32px, 6vw, 60px) 0;
  background: linear-gradient(104deg, var(--ink-700) 0%, var(--ink-600) 58%, var(--ink-700) 100%);
  clip-path: polygon(0 18px, 100% 0, 100% calc(100% - 18px), 0 100%);
}

.page-products .pd-band-label {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-products .pd-band-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-band-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-products .pd-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.9rem, 7vw, 3rem);
  line-height: 1;
  color: var(--paper);
  letter-spacing: -.02em;
}

.page-products .pd-num--alert {
  color: var(--orange);
}

.page-products .pd-num--cyan {
  color: var(--cyan);
}

.page-products .pd-band-key {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .pd-band-note {
  margin: 26px 0 0;
  max-width: 52em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 卡片索引 ---------- */
.page-products .pd-head-note {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 34em;
}

.page-products .pd-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: clamp(22px, 4vw, 36px);
}

.page-products .pd-card {
  position: relative;
  display: block;
  padding: 26px 22px 32px;
  background: var(--ink-700);
  text-decoration: none;
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-notch)), calc(100% - var(--pd-notch)) 100%, 0 100%);
  transition: transform .32s var(--ease), background-color .32s var(--ease);
}

.page-products .pd-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 76%);
  opacity: .35;
  transition: opacity .32s var(--ease);
}

.page-products .pd-card:hover,
.page-products .pd-card:focus-visible {
  transform: translateY(-4px);
  background: var(--ink-600);
  outline: none;
}

.page-products .pd-card:hover::before,
.page-products .pd-card:focus-visible::before {
  opacity: 1;
}

.page-products .pd-card:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-products .pd-card-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-products .pd-card-title {
  display: block;
  margin-top: 12px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
}

.page-products .pd-card-text {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pd-card-tag {
  display: inline-block;
  margin-top: 18px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan-soft);
}

/* ---------- 详情分栏 ---------- */
.page-products .pd-detail {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .pd-detail--ink {
  background: var(--ink-700);
}

.page-products .pd-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-products .pd-detail-copy h2 {
  margin: 16px 0 14px;
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .pd-detail-copy > p {
  margin: 0 0 16px;
  font-size: var(--body-size);
  line-height: 1.78;
  color: var(--paper);
  max-width: 34em;
}

.page-products .pd-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 36em;
}

.page-products .pd-list li {
  position: relative;
  padding: 12px 0 12px 20px;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pd-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-products .pd-caveat {
  margin: 18px 0 0 !important;
  padding: 12px 14px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 90, 46, .07);
  font-size: 14px !important;
  color: var(--paper) !important;
}

.page-products .pd-detail-figure {
  margin: 0;
}

.page-products .pd-detail-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* 条带示意 */
.page-products .pd-meter {
  margin-top: 22px;
  padding: 18px 16px;
  border: 1px solid var(--line-soft);
  background: var(--wash);
  max-width: 34em;
}

.page-products .pd-meter-row {
  display: grid;
  grid-template-columns: 74px 1fr 46px;
  align-items: center;
  gap: 10px;
}

.page-products .pd-meter-row + .pd-meter-row {
  margin-top: 12px;
}

.page-products .pd-meter-key {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-products .pd-meter-track {
  position: relative;
  height: 8px;
  background: var(--ink-600);
  overflow: hidden;
}

.page-products .pd-meter-fill {
  display: block;
  height: 100%;
  width: var(--w, 50%);
  background: var(--cyan);
}

.page-products .pd-meter-fill--orange {
  background: var(--orange);
}

.page-products .pd-meter-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  text-align: right;
  color: var(--paper);
}

/* ---------- 版本时间线 ---------- */
.page-products .pd-versions {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .pd-ver-band {
  margin: clamp(22px, 4vw, 34px) 0 0;
  border-radius: 0;
}

.page-products .pd-ver-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-products .pd-rail {
  display: flex;
  gap: 16px;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 4px 0 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-rail-item {
  flex: 0 0 min(320px, 80vw);
  scroll-snap-align: start;
  padding: 22px 20px 26px;
  background: var(--ink-700);
  border-top: 2px solid var(--line);
}

.page-products .pd-rail-item:hover,
.page-products .pd-rail-item:focus-within {
  border-top-color: var(--violet);
}

.page-products .pd-rail-ver {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.2rem, 8vw, 3.2rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.03em;
}

.page-products .pd-rail-item h3 {
  margin: 14px 0 10px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pd-rail-item p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 移动端步骤 ---------- */
.page-products .pd-mobile {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .pd-steps {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-products .pd-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding-bottom: 26px;
}

.page-products .pd-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  opacity: .45;
}

.page-products .pd-step-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  background: var(--ink-900);
}

.page-products .pd-step-body h3 {
  margin: 6px 0 8px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pd-step-body p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pd-mobile-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: clamp(16px, 3vw, 26px);
}

.page-products .pd-note-card {
  padding: 20px 18px 22px;
  background: var(--wash);
  border: 1px solid var(--line-soft);
}

.page-products .pd-note-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--cyan-soft);
  letter-spacing: .02em;
}

.page-products .pd-note-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 下载与兼容 ---------- */
.page-products .pd-download {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .pd-dl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .pd-dl-copy h2 {
  margin: 16px 0 14px;
  font-size: clamp(1.5rem, 4.6vw, 2.2rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-products .pd-dl-copy > p {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: var(--body-size);
  line-height: 1.78;
  color: var(--paper);
}

.page-products .pd-dl-side {
  padding: 24px 20px 26px;
  background: var(--ink-700);
  border-left: 3px solid var(--cyan);
}

.page-products .pd-dl-side h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--paper);
}

.page-products .pd-dl-side p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pd-dl-meta {
  margin: 18px 0 0 !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--cyan-soft) !important;
  word-break: break-word;
}

/* ---------- 内链区 ---------- */
.page-products .pd-links h2 {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(1.4rem, 4vw, 2rem);
  color: var(--paper);
}

.page-products .pd-link-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-link-card {
  display: block;
  padding: 20px 18px;
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
  text-decoration: none;
  transition: border-color .32s var(--ease), transform .32s var(--ease);
}

.page-products .pd-link-card:hover,
.page-products .pd-link-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
  outline: none;
}

.page-products .pd-link-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan-soft);
}

.page-products .pd-link-title {
  display: block;
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
}

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

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

@media (min-width: 860px) {
  .page-products .pd-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-products .pd-hero-figure img {
    max-height: 74vh;
  }

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

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

  .page-products .pd-detail-grid {
    grid-template-columns: 6fr 5fr;
  }

  .page-products .pd-detail-grid--flip .pd-detail-figure {
    order: -1;
  }

  .page-products .pd-dl-grid {
    grid-template-columns: 7fr 4fr;
  }

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

@media (min-width: 1100px) {
  .page-products .pd-rail-item {
    flex: 0 0 calc((100% - 32px) / 3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-card,
  .page-products .pd-link-card,
  .page-products .pd-card::before {
    transition: none;
  }

  .page-products .pd-card:hover,
  .page-products .pd-link-card:hover {
    transform: none;
  }
}
<<<END>>>

.page-products {
  --w: 1rem;
}