.page-products {
  --pv-card: var(--panel);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  padding: 96px 0 88px;
  overflow-x: hidden;
}

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

.page-products .figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .figure figcaption {
  padding: 12px 16px;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 首屏 ---------- */
.pv-hero {
  position: relative;
  display: grid;
  gap: 36px;
  padding-block: 24px 64px;
}

.pv-hero::before {
  content: "";
  position: absolute;
  inset: -60px -12% auto -12%;
  height: 340px;
  background: radial-gradient(58% 100% at 28% 0%, rgba(0, 229, 255, 0.16), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.pv-hero > * {
  position: relative;
  z-index: 1;
}

.pv-hero__text h1 {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.pv-hero__lede {
  margin: 20px 0 0;
  max-width: 50ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--muted);
}

.pv-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.pv-index {
  align-self: start;
  padding: 20px 20px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  position: relative;
  overflow: hidden;
}

.pv-index::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.pv-index__head {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.pv-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pv-index li + li {
  border-top: 1px solid var(--line-soft);
}

.pv-index a {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 12px 2px;
  font-size: 0.94rem;
  color: var(--paper);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.pv-index a .mono {
  font-size: 0.76rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.pv-index a:hover,
.pv-index a:focus-visible {
  color: var(--cyan);
}

/* ---------- 章节 ---------- */
.pv-chapter {
  padding-block: 52px 8px;
  border-top: 1px solid var(--line-soft);
}

.pv-bar {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 4px 14px;
  align-items: start;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.pv-bar__no {
  padding-top: 4px;
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.pv-bar__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.pv-bar__num {
  grid-column: 2;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--orange);
}

.pv-lead {
  margin: 0 0 18px;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--paper);
  max-width: 62ch;
}

.pv-chapter p {
  margin: 0 0 16px;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- 适配对照表 ---------- */
.pv-table-wrap {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.pv-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.pv-table caption {
  caption-side: bottom;
  padding: 14px 16px;
  text-align: left;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.pv-table thead th {
  padding: 13px 16px;
  text-align: left;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--line);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.pv-table tbody th,
.pv-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.65;
}

.pv-table tbody th {
  font-weight: 700;
  color: var(--paper);
  white-space: nowrap;
}

.pv-table td {
  color: var(--muted);
}

.pv-table td.mono {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--cyan);
  white-space: nowrap;
}

.pv-table tbody tr:nth-child(odd) {
  background: rgba(244, 241, 234, 0.025);
}

.pv-table tbody tr:hover {
  background: rgba(0, 229, 255, 0.06);
}

.pv-figure {
  margin-top: 26px;
}

/* ---------- 双栏图文 ---------- */
.pv-split {
  display: grid;
  gap: 26px;
  align-items: start;
}

.pv-split__text p:last-child {
  margin-bottom: 0;
}

.pv-split .version-link {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 90, 31, 0.5);
  font-family: var(--mono);
  font-size: 0.92rem;
}

.pv-split .version-link:hover,
.pv-split .version-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 可视化卡片 ---------- */
.pv-vis {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.pv-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 48px 24px;
  background: var(--pv-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.pv-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: var(--pill);
  background: var(--cyan);
}

.pv-card:nth-child(3n + 2)::before {
  background: var(--violet);
}

.pv-card:nth-child(3n)::before {
  background: var(--orange);
}

.pv-card:hover,
.pv-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.45);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.45);
}

.pv-card__no {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.pv-card__name {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.pv-card__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: none;
}

.pv-card__use {
  margin: 2px 0 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--lime);
  max-width: none;
  transition: color 0.2s var(--ease);
}

.pv-card:hover .pv-card__use {
  color: var(--cyan);
}

.pv-card__tag {
  position: absolute;
  right: 14px;
  bottom: 13px;
  text-decoration: none;
}

/* ---------- 支持 ---------- */
.pv-support {
  display: grid;
  gap: 26px;
  align-items: start;
}

.pv-support__links {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.pv-support__links a {
  display: inline-block;
  font-size: 0.92rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.28);
  padding-bottom: 2px;
}

.pv-support__links a:hover,
.pv-support__links a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.pv-support__card {
  padding: 24px 22px;
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, var(--teal), #08272a 78%);
  border: 1px solid rgba(0, 229, 255, 0.22);
}

.pv-support__hours {
  margin: 0 0 18px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.pv-support__list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.pv-support__list dt {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.pv-support__list dd {
  margin: 4px 0 0;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

.pv-support__list dd a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 241, 234, 0.32);
}

.pv-support__list dd a:hover,
.pv-support__list dd a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.pv-support__btn {
  margin-top: 22px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-products {
    padding-top: 116px;
  }

  .pv-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: 48px;
    padding-block: 28px 84px;
  }

  .pv-bar {
    grid-template-columns: 58px 1fr auto;
    align-items: baseline;
    gap: 0 20px;
  }

  .pv-bar__num {
    grid-column: auto;
    font-size: 0.92rem;
    text-align: right;
    white-space: nowrap;
  }

  .pv-chapter {
    padding-block: 68px 12px;
  }

  .pv-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
  }

  .pv-split--reverse .pv-split__text {
    order: 2;
  }

  .pv-vis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .pv-card--wide {
    grid-column: 1 / -1;
  }

  .pv-support {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
  }
}

@media (min-width: 1100px) {
  .pv-hero__lede {
    font-size: 1.125rem;
  }

  .pv-card {
    padding: 26px 24px 50px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pv-card,
  .page-products .pv-index a,
  .page-products .pv-card__use {
    transition: none;
  }

  .page-products .pv-card:hover {
    transform: none;
  }
}
<<<END>>>