.page-products {
  --pd-dark-line: rgba(246, 244, 239, .18);
  --pd-soft-line: rgba(20, 24, 27, .10);
  --pd-cut: 30px;
}

/* ---------- 首屏计时牌 ---------- */
.page-products .pd-hero {
  background: var(--pine);
  color: var(--paper);
  padding: 0 0 clamp(44px, 6vw, 80px);
  overflow: hidden;
}

.page-products .pd-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 14px 0 12px;
  border-bottom: 1px solid var(--pd-dark-line);
}

.page-products .pd-band__left {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper);
}

.page-products .pd-band__right {
  margin: 0;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-invert-soft);
}

.page-products .pd-hero h1 {
  margin: clamp(22px, 3.4vw, 40px) 0 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.2vw, 78px);
  line-height: .98;
  letter-spacing: -.02em;
}

.page-products .pd-hero__lede {
  max-width: 36em;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-invert-soft);
}

.page-products .pd-hero__low {
  display: grid;
  gap: 32px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .pd-readout {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-readout__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pd-dark-line);
}

.page-products .pd-readout__num {
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: var(--ember);
}

.page-products .pd-readout__unit {
  margin-left: 4px;
  font-size: 13px;
  color: var(--text-invert-soft);
}

.page-products .pd-readout__label {
  font-size: 13px;
  color: var(--text-invert-soft);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .pd-hero__figure img,
.page-products .pd-cap__figure img,
.page-products .pd-opt__figure img,
.page-products .pd-tools__figure img,
.page-products .pd-close__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pd-hero__figure {
  margin: 0;
  border-left: 3px solid var(--ember);
}

/* ---------- 通用小导语 ---------- */
.page-products .pd-lede {
  max-width: 42em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 四类基础功能 ---------- */
.page-products .pd-cap__grid {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

.page-products .pd-cap__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-cap__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0 20px 16px;
  border-left: 3px solid var(--clay);
  border-bottom: 1px solid var(--pd-soft-line);
}

.page-products .pd-cap__idx {
  padding-top: 5px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--clay);
}

.page-products .pd-cap__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-products .pd-cap__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .pd-cap__item .pd-cap__scene {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink);
}

.page-products .pd-cap__figure {
  margin: 0;
  border-bottom: 3px solid var(--clay);
}

/* ---------- 版本卡 ---------- */
.page-products .pd-ver__grid {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-products .pd-ver__card {
  position: relative;
  padding: 26px 24px 30px;
  background: var(--paper);
  border-top: 3px solid var(--clay);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, 0 100%);
  transition: transform var(--dur) var(--ease);
}

.page-products .pd-ver__card:hover {
  transform: translateY(-3px);
}

.page-products .pd-ver__no {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-products .pd-ver__year {
  margin: 6px 0 0;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--graphite);
}

.page-products .pd-ver__title {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-products .pd-ver__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .pd-ver__card--current {
  background: var(--night);
  color: var(--paper);
  border-top-color: var(--ember);
}

.page-products .pd-ver__card--current .pd-ver__no {
  color: var(--ember);
}

.page-products .pd-ver__card--current .pd-ver__year,
.page-products .pd-ver__card--current .pd-ver__text {
  color: var(--text-invert-soft);
}

.page-products .pd-ver__dot {
  position: absolute;
  top: 26px;
  right: 26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ember);
}

/* ---------- 六项加载做法 ---------- */
.page-products .pd-opt__head {
  max-width: 46em;
}

.page-products .pd-opt__grid {
  display: grid;
  gap: 36px;
  margin-top: 36px;
}

.page-products .pd-opt__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 24px;
}

.page-products .pd-opt__item {
  padding-left: 14px;
  border-left: 3px solid var(--clay);
}

.page-products .pd-opt__num {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ember-ink);
}

.page-products .pd-opt__item h3 {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.3;
}

.page-products .pd-opt__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .pd-opt__aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-products .pd-chart {
  margin: 0;
  padding: 18px 16px;
  background: var(--sand);
}

.page-products .pd-chart__cap {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-products .pd-chart__row {
  margin-bottom: 14px;
}

.page-products .pd-chart__row:last-child {
  margin-bottom: 0;
}

.page-products .pd-chart__meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--ink);
}

.page-products .pd-chart__track {
  height: 10px;
  background: rgba(20, 24, 27, .10);
  transition: outline-color var(--dur) var(--ease);
  outline: 2px solid transparent;
}

.page-products .pd-chart__row:hover .pd-chart__track {
  outline-color: var(--volt);
}

.page-products .pd-chart__fill {
  display: block;
  height: 100%;
}

.page-products .pd-chart__fill--before {
  width: 100%;
  background: var(--graphite);
}

.page-products .pd-chart__fill--after {
  width: 47%;
  background: var(--ember);
}

.page-products .pd-opt__note {
  background: var(--sand);
}

.page-products .pd-opt__note p:not(.note__title) {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

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

/* ---------- 执行方工具 ---------- */
.page-products .pd-tools__grid {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

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

.page-products .pd-tool {
  border-bottom: 1px solid var(--pd-soft-line);
}

.page-products .pd-tool > summary {
  position: relative;
  padding: 18px 44px 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
}

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

.page-products .pd-tool > summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--clay);
  transition: transform var(--dur) var(--ease);
}

.page-products .pd-tool[open] > summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-products .pd-tool > summary:focus-visible {
  outline: 3px solid var(--ember-ink);
  outline-offset: 2px;
}

.page-products .pd-tool__body {
  padding: 0 32px 18px 0;
}

.page-products .pd-tool__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .pd-steps {
  margin-top: 28px;
  padding: 22px 20px;
  background: var(--paper);
  border-left: 3px solid var(--clay);
}

.page-products .pd-steps__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--clay);
  text-transform: uppercase;
}

.page-products .pd-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pd-steps__list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .pd-steps__list .mono {
  font-size: 12px;
  color: var(--ember-ink);
  padding-top: 2px;
}

.page-products .pd-steps__hint {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--graphite);
}

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

/* ---------- 适合谁用 ---------- */
.page-products .pd-who__grid {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-products .pd-who__card {
  padding: 26px 22px 28px;
  border-top: 3px solid var(--clay);
}

.page-products .pd-who__card--a {
  background: var(--sand);
}

.page-products .pd-who__card--b {
  background: var(--mist);
}

.page-products .pd-who__card--c {
  background: var(--pine);
  color: var(--paper);
  border-top-color: var(--ember);
}

.page-products .pd-who__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-products .pd-who__card--c .pd-who__tag {
  color: var(--volt);
}

.page-products .pd-who__card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-products .pd-who__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .pd-who__card--c p {
  color: var(--text-invert-soft);
}

.page-products .pd-links {
  margin: 28px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-products .pd-links a {
  color: var(--ember-ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-links a:hover {
  color: var(--clay-deep);
}

.page-products .pd-links a:focus-visible,
.page-products .pd-steps__hint a:focus-visible {
  outline: 3px solid var(--ember-ink);
  outline-offset: 2px;
}

.page-products .pd-steps__hint a {
  color: var(--ember-ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 底部斜切收口 ---------- */
.page-products .pd-close {
  background: var(--clay);
  color: var(--paper);
  padding: clamp(56px, 8vw, 104px) 0 clamp(48px, 6vw, 80px);
  clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
}

.page-products .pd-close__grid {
  display: grid;
  gap: 32px;
}

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

.page-products .pd-close__body h2 {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 46px);
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 14em;
}

.page-products .pd-close__body p {
  max-width: 34em;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 244, 239, .88);
}

.page-products .pd-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pd-close__figure {
  margin: 0;
  border-bottom: 3px solid var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pd-opt__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 28px;
  }

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

@media (min-width: 900px) {
  .page-products .pd-hero__low {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .pd-cap__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .pd-ver__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-products .pd-ver__card:nth-child(2) {
    margin-top: 32px;
  }

  .page-products .pd-ver__card:nth-child(3) {
    margin-top: 64px;
  }

  .page-products .pd-opt__grid {
    grid-template-columns: minmax(0, 1fr) var(--note-w);
    gap: 48px;
    align-items: start;
  }

  .page-products .pd-tools__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .pd-who__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-products .pd-who__card:nth-child(2) {
    margin-top: 28px;
  }

  .page-products .pd-close__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-products .pd-opt__aside {
    position: sticky;
    top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-ver__card,
  .page-products .pd-chart__track,
  .page-products .pd-tool > summary::after {
    transition: none;
  }

  .page-products .pd-ver__card:hover {
    transform: none;
  }
}
<<<END>>>