.page-products {
  --pd-hair: rgba(36, 28, 20, 0.14);
  --pd-hair-light: rgba(246, 241, 230, 0.22);
  --pd-shadow: 0 20px 44px -30px rgba(16, 48, 74, 0.5);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-products h2 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.6vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 0.3em 0 0.55em;
  max-width: 24ch;
}

.page-products h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
}

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

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--sand);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(46, 125, 79, 0.12), transparent 62%),
    var(--paper);
}

.page-products .pd-hero__shard {
  position: absolute;
  right: -30%;
  top: 4%;
  width: 76%;
  height: 44%;
  background: linear-gradient(150deg, var(--navy), #1b4c6e 55%, var(--grass-deep));
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.14;
  pointer-events: none;
}

.page-products .pd-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: 26px;
  padding-bottom: 38px;
}

.page-products .pd-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 7.6vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0.3em 0 0.5em;
  max-width: 17ch;
}

.page-products .pd-hero__inner .lede {
  max-width: 46ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .pd-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 1.75rem 0 1.6rem;
  padding: 0;
  list-style: none;
  max-width: 38rem;
  background: var(--pd-hair);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pd-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.8rem 0.95rem;
  background: rgba(255, 251, 242, 0.94);
}

.page-products .pd-hero__num {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-hero__unit {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 终端选择 ---------- */
.page-products .pd-term .prose {
  max-width: 62ch;
}

.page-products .pd-seg {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  max-width: 100%;
  margin: 1.35rem 0 1.5rem;
  padding: 0.28rem;
  background: var(--bright);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius);
}

.page-products .pd-seg .segmented__btn {
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  letter-spacing: 0.04em;
}

.page-products .pd-term__grid {
  display: grid;
  gap: 1.15rem;
  margin-bottom: 1.75rem;
}

.page-products .pd-term__card {
  position: relative;
  padding: 1.5rem 1.35rem 1.35rem;
  background: var(--bright);
  border: 1px solid var(--pd-hair);
  border-top: 4px solid var(--grass);
  border-radius: var(--radius);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-term__card--tablet {
  border-top-color: var(--cyan);
}

.page-products .pd-term__card .card__no {
  color: var(--slate);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
}

.page-products .pd-term__card .card__title {
  margin: 0.5rem 0 0.35rem;
}

.page-products .pd-term__card .card__meta {
  margin: 0 0 0.35rem;
  font-size: 0.8125rem;
  color: var(--slate);
}

.page-products .pd-term__list {
  display: grid;
  gap: 0.55rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-term__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pd-term__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grass);
}

.page-products .pd-term__card--tablet .pd-term__list li::before {
  background: var(--cyan);
}

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

.page-products .pd-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--pd-hair);
  background: var(--sand);
  object-fit: cover;
}

.page-products .pd-figure .figure__caption {
  max-width: 68ch;
}

/* ---------- 数据面板 ---------- */
.page-products .pd-metrics {
  background: var(--navy);
  color: var(--paper);
}

.page-products .pd-metrics .eyebrow {
  color: var(--grass-soft);
}

.page-products .pd-metrics h2 {
  color: var(--paper);
}

.page-products .pd-metrics__lede {
  max-width: 64ch;
  margin: 0 0 1.75rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.82);
}

.page-products .pd-visual {
  display: grid;
  gap: 1.1rem;
  margin-bottom: 1.5rem;
}

.page-products .pd-visual__block {
  padding: 1.1rem 1.15rem 1.25rem;
  background: rgba(255, 251, 242, 0.06);
  border: 1px solid var(--pd-hair-light);
  border-radius: var(--radius);
}

.page-products .pd-visual__block h3 {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--grass-soft);
}

.page-products .pd-heat {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  align-items: end;
  gap: 3px;
  height: 84px;
}

.page-products .pd-heat span {
  display: block;
  height: var(--h, 60%);
  background: var(--heat, var(--cyan));
  border-radius: 2px;
}

.page-products .pd-timepoints {
  position: relative;
  height: 84px;
  border-bottom: 1px solid var(--pd-hair-light);
}

.page-products .pd-dot {
  position: absolute;
  left: var(--x);
  bottom: var(--y, 12px);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 3px rgba(16, 48, 74, 0.9);
}

.page-products .pd-dot--amber {
  background: var(--amber);
}

.page-products .pd-dot--red {
  background: var(--red);
}

.page-products .pd-visual__note {
  margin: 0.9rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(246, 241, 230, 0.66);
}

.page-products .pd-figure--tight {
  margin-bottom: 1.75rem;
}

.page-products .pd-figure--tight img {
  border-color: var(--pd-hair-light);
  background: rgba(255, 251, 242, 0.08);
}

.page-products .pd-figure--tight .figure__caption {
  color: rgba(246, 241, 230, 0.7);
}

.page-products .pd-table-wrap {
  border: 1px solid var(--pd-hair-light);
  border-radius: var(--radius);
  background: rgba(16, 48, 74, 0.35);
}

.page-products .pd-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-products .pd-table caption {
  padding: 0.85rem 0.9rem 0.1rem;
  text-align: left;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--grass-soft);
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 0.62rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--pd-hair-light);
  vertical-align: middle;
}

.page-products .pd-table thead th {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(246, 241, 230, 0.7);
  white-space: nowrap;
}

.page-products .pd-table tbody th {
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .pd-table td {
  color: rgba(246, 241, 230, 0.78);
}

.page-products .pd-table tbody tr:last-child th,
.page-products .pd-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pd-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  text-align: right;
  color: var(--paper);
}

.page-products .pd-table .num--lead {
  background: linear-gradient(90deg, rgba(46, 125, 79, 0.05), rgba(46, 125, 79, 0.26));
  color: var(--bright);
  font-weight: 700;
}

.page-products .pd-table tbody tr:hover td,
.page-products .pd-table tbody tr:hover th {
  background: rgba(19, 122, 142, 0.16);
}

.page-products .pd-metrics__note {
  max-width: 62ch;
  margin: 1.15rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(246, 241, 230, 0.72);
}

/* ---------- 阅读体验 ---------- */
.page-products .pd-read__grid {
  display: grid;
  gap: 1.6rem;
}

.page-products .pd-read .prose {
  max-width: 60ch;
}

.page-products .pd-read__list {
  display: grid;
  gap: 0.6rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-read__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .pd-read__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 14px;
  height: 2px;
  background: var(--grass);
}

.page-products .pd-read .pullquote {
  margin: 1.75rem 0 0;
  padding: 0.2rem 0 0.2rem 1.1rem;
  border-left: 3px solid var(--red);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--ink);
  max-width: 40ch;
}

.page-products .pd-read__figure {
  margin-top: 0.25rem;
}

/* ---------- 版本时间线 ---------- */
.page-products .pd-version__timeline {
  display: grid;
  gap: 1px;
  margin: 1.75rem 0 1.9rem;
  padding: 0;
  list-style: none;
  background: var(--pd-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pd-version__item {
  padding: 1.2rem 1.15rem 1.35rem;
  background: var(--bright);
  border-top: 3px solid var(--grass);
}

.page-products .pd-version__item:last-child {
  border-top-color: var(--amber);
}

.page-products .pd-version__year {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-version__item h3 {
  margin: 0 0 0.4rem;
}

.page-products .pd-version__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pd-figure--wide img {
  width: 100%;
}

.page-products .pd-figure--wide .figure__caption a {
  color: var(--grass-deep);
  font-weight: 600;
  text-underline-offset: 3px;
}

.page-products .pd-figure--wide .figure__caption a:hover {
  color: var(--red);
}

/* ---------- 设备要求 ---------- */
.page-products .pd-spec .prose {
  max-width: 62ch;
}

.page-products .pd-spec__grid {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.6rem;
}

.page-products .pd-spec__card {
  padding: 1.15rem 1.2rem 1.3rem;
  background: var(--bright);
  border: 1px solid var(--pd-hair);
  border-left: 4px solid var(--navy);
  border-radius: var(--radius);
}

.page-products .pd-spec__card h3 {
  margin: 0 0 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--pd-hair);
}

.page-products .pd-spec__list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
}

.page-products .pd-spec__row {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 0.65rem;
}

.page-products .pd-spec__row dt {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--slate);
  padding-top: 0.25em;
}

.page-products .pd-spec__row dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 安装步骤 ---------- */
.page-products .pd-install .prose {
  max-width: 58ch;
}

.page-products .pd-steps {
  display: grid;
  gap: 0.8rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-step {
  display: grid;
  grid-template-columns: 2.9rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1rem 1.05rem 1.05rem;
  background: var(--bright);
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius);
}

.page-products .pd-step__no {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--grass);
}

.page-products .pd-step__panel {
  min-width: 0;
}

.page-products .pd-step__panel summary {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-step__panel summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-step__panel summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--grass);
}

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

.page-products .pd-step__panel summary:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: 3px;
}

.page-products .pd-step__body {
  margin: 0.7rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 旧资料库 ---------- */
.page-products .pd-archive__grid {
  display: grid;
  gap: 1.6rem;
}

.page-products .pd-archive .prose {
  max-width: 56ch;
}

.page-products .pd-archive__ways {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-archive__ways li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.8rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--pd-hair);
}

.page-products .pd-archive__ways li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pd-archive__ways .mono {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-products .pd-archive__ways h3 {
  margin: 0 0 0.25rem;
}

.page-products .pd-archive__ways p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pd-archive__figure {
  margin: 0;
}

/* ---------- 结尾 ---------- */
.page-products .pd-cta {
  background: var(--navy);
  color: var(--paper);
}

.page-products .pd-cta .eyebrow {
  color: var(--grass-soft);
}

.page-products .pd-cta h2 {
  color: var(--paper);
  max-width: 20ch;
}

.page-products .pd-cta__inner {
  max-width: 46rem;
}

.page-products .pd-cta__inner p {
  max-width: 52ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.82);
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-products .pd-cta .btn--ghost {
  color: var(--paper);
  border-color: rgba(246, 241, 230, 0.55);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pd-seg {
    border-radius: 999px;
  }

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

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

@media (min-width: 820px) {
  .page-products .pd-term__grid {
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  }

  .page-products .pd-visual {
    grid-template-columns: 1.25fr 1fr;
  }

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

@media (min-width: 900px) {
  .page-products .pd-hero__shard {
    left: 58%;
    right: -12%;
    top: -14%;
    bottom: -22%;
    width: auto;
    height: auto;
    opacity: 1;
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-products .pd-hero__inner {
    padding-top: 82px;
    padding-bottom: 96px;
  }

  .page-products .pd-hero__facts {
    max-width: 34rem;
  }

  .page-products .pd-read__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: 2.6rem;
    align-items: start;
  }

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

  .page-products .pd-archive__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
    gap: 2.4rem;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-products .pd-hero__inner .lede {
    font-size: 1.125rem;
  }

  .page-products .pd-step {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    padding: 1.15rem 1.3rem 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-dot,
  .page-products .pd-heat span {
    transition: none;
  }
}

.page-products {
  --h: 1rem;
  --heat: transparent;
  --x: inherit;
  --y: inherit;
}