.page-products {
  --pd-panel: rgba(20, 22, 28, 0.72);
  --pd-anchor-top: clamp(1.25rem, 4vh, 2.25rem);
}

.page-products section {
  scroll-margin-top: 5rem;
}

.page-products [data-reveal] {
  transition-delay: calc(var(--i, 0) * 90ms);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-block: clamp(1.5rem, 5vw, 3.5rem) clamp(2rem, 6vw, 4rem);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-products .pd-hero .tag-row {
  margin-bottom: 1.1rem;
}

.page-products .pd-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 5.6vw, 3.3rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ivory);
  margin: 0 0 1.1rem;
  max-width: 20ch;
}

.page-products .pd-hero h1::after {
  content: "";
  display: block;
  width: clamp(3.5rem, 14vw, 7rem);
  height: 5px;
  margin-top: 1rem;
  background: linear-gradient(90deg, var(--cinnabar), var(--gold));
}

.page-products .pd-hero .lede {
  max-width: 48ch;
  color: var(--stone);
}

.page-products .pd-hero__actions,
.page-products .pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .pd-hero__media,
.page-products .pd-install-fig,
.page-products .pd-cat-fig,
.page-products .pd-quota__media,
.page-products .pd-export__media,
.page-products .pd-figure {
  margin: 0;
}

.page-products .pd-figure figcaption,
.page-products .pd-hero__media figcaption {
  margin-top: 0.7rem;
  font-size: 0.82rem;
  color: var(--stone);
  line-height: 1.6;
}

/* ---------- 安装信息：粘性版本锚点 + 主栏 ---------- */
.page-products .pd-spec {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-products .pd-anchor {
  border: 2px solid var(--gold);
  background:
    linear-gradient(180deg, rgba(12, 38, 36, 0.92), rgba(10, 11, 14, 0.96));
  box-shadow: var(--shadow);
  padding: 1.25rem 1.25rem 1.4rem;
}

.page-products .pd-anchor__label {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .pd-anchor__num {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 12vw, 3.6rem);
  line-height: 1;
  color: var(--gold-light);
  text-shadow: 0 0 26px rgba(217, 164, 65, 0.35);
}

.page-products .pd-anchor__list {
  margin: 0 0 1.1rem;
  display: grid;
  gap: 0.45rem;
}

.page-products .pd-anchor__list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px dashed var(--line);
}

.page-products .pd-anchor__list dt {
  font-size: 0.8rem;
  color: var(--stone);
}

.page-products .pd-anchor__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ivory);
}

.page-products .pd-copy {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .pd-copy:hover {
  background: rgba(217, 164, 65, 0.14);
}

.page-products .pd-copy[data-copy-state="done"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(79, 167, 158, 0.12);
}

.page-products .pd-spec__main > p {
  color: var(--stone);
  max-width: 62ch;
}

.page-products .pd-sub {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ivory);
  margin: 1.75rem 0 1rem;
  padding-left: 0.75rem;
  border-left: 4px solid var(--cinnabar);
}

/* ---------- 数据表 ---------- */
.page-products .pd-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1.25rem 1.5rem;
  table-layout: fixed;
}

.page-products .pd-table th,
.page-products .pd-table td {
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.9rem;
  vertical-align: top;
}

.page-products .pd-table th {
  width: 38%;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-products .pd-table td {
  font-family: var(--font-mono);
  color: var(--ivory);
  word-break: break-word;
}

/* ---------- 安装标签页 ---------- */
.page-products .pd-tabs {
  margin-bottom: 1.75rem;
}

.page-products .pd-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.page-products .pd-tabs .tabs__tab {
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--stone);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .pd-tabs .tabs__tab:hover {
  color: var(--gold-light);
  border-color: var(--gold);
}

.page-products .pd-tabs .tabs__tab[aria-selected="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--ivory);
}

.page-products .pd-tabs .tabs__panel {
  padding: 1.1rem 1.15rem;
  border: 2px solid var(--line);
  background: var(--pd-panel);
  box-shadow: var(--shadow-sm);
}

.page-products .pd-steps {
  list-style: none;
  counter-reset: pdstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-products .pd-steps li {
  counter-increment: pdstep;
  position: relative;
  padding-left: 2.5rem;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .pd-steps li::before {
  content: counter(pdstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  width: 1.7rem;
  height: 1.7rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
}

.page-products .pd-install-fig {
  margin-top: 1.75rem;
}

/* ---------- 性能区块 ---------- */
.page-products .pd-perf {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-products .pd-perf__text p {
  color: var(--stone);
  max-width: 58ch;
}

.page-products .pd-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
}

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

.page-products .pd-bars__axis line {
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-products .pd-bars__label {
  fill: var(--stone);
  font-family: var(--font-mono);
  font-size: 22px;
}

.page-products .pd-bars__bar--before {
  fill: rgba(110, 27, 27, 0.9);
  stroke: var(--cinnabar);
  stroke-width: 2;
}

.page-products .pd-bars__bar--after {
  fill: rgba(47, 111, 107, 0.9);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-products .pd-bars__value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
}

.page-products .pd-bars__value--before {
  fill: var(--cinnabar);
}

.page-products .pd-bars__value--after {
  fill: var(--gold-light);
}

/* ---------- 分类选法 ---------- */
.page-products .pd-flow {
  list-style: none;
  counter-reset: pdflow;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .pd-flow__item {
  position: relative;
  padding: 1.25rem 1.15rem 1.25rem 3.6rem;
  border: 2px solid var(--line);
  background: var(--pd-panel);
  box-shadow: var(--shadow-sm);
}

.page-products .pd-flow__item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ivory);
  margin: 0 0 0.5rem;
}

.page-products .pd-flow__item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .pd-flow__dot {
  position: absolute;
  left: 1.1rem;
  top: 1.25rem;
  width: 1.8rem;
  height: 1.8rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--cinnabar);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1;
}

.page-products .pd-cat-fig {
  margin-top: 1.75rem;
}

.page-products .pd-cat__detail,
.page-products .pd-qa {
  margin-top: 1.75rem;
  border-top: 2px solid var(--line);
}

.page-products .accordion__item h3 {
  margin: 0;
}

.page-products .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  transition: color 0.22s var(--ease);
}

.page-products .accordion__trigger:hover {
  color: var(--gold-light);
}

.page-products .accordion__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.page-products .accordion__icon {
  margin-left: auto;
  flex: 0 0 auto;
  width: 0.85rem;
  height: 0.85rem;
  position: relative;
}

.page-products .accordion__icon::before,
.page-products .accordion__icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--gold);
}

.page-products .accordion__icon::before {
  width: 100%;
  height: 2px;
}

.page-products .accordion__icon::after {
  width: 2px;
  height: 100%;
  transition: transform 0.24s var(--ease);
}

.page-products .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: scaleY(0);
}

.page-products .accordion__panel-inner {
  padding: 0.9rem 0 1.1rem;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--stone);
  max-width: 68ch;
}

.page-products .accordion__panel-inner p {
  margin: 0;
}

/* ---------- 额度说明 ---------- */
.page-products .pd-quota {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-products .pd-quota__copy > p {
  color: var(--stone);
  max-width: 58ch;
}

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

.page-products .pd-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.6rem;
  height: 0.6rem;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 玩法导出 ---------- */
.page-products .pd-export {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-products .pd-export__copy > p {
  color: var(--stone);
  max-width: 58ch;
}

.page-products .pd-note {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: var(--stone);
}

.page-products .pd-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-note a:hover {
  color: var(--gold-light);
}

/* ---------- 收尾 ---------- */
.page-products .pd-closing {
  padding-block: clamp(2.5rem, 7vw, 5rem);
}

.page-products .pd-closing__inner {
  border: 2px solid var(--gold);
  background:
    linear-gradient(135deg, rgba(110, 27, 27, 0.55), rgba(10, 11, 14, 0.95) 60%);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 4vw, 2.75rem);
}

.page-products .pd-closing .chapter-title {
  margin-bottom: 0.75rem;
}

.page-products .pd-closing p {
  color: var(--stone);
  max-width: 62ch;
  margin: 0;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-products .pd-spec {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-perf {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
  }

  .page-products .pd-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-products .pd-flow__item {
    padding: 3.6rem 1.25rem 1.4rem;
  }

  .page-products .pd-flow__item + .pd-flow__item::after {
    content: "";
    position: absolute;
    left: -1.35rem;
    top: 2.9rem;
    width: 1.45rem;
    height: 2px;
    background: var(--line);
  }

  .page-products .pd-quota {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-products .pd-export {
    grid-template-columns: minmax(0, 0.68fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-anchor {
    position: sticky;
    top: var(--pd-anchor-top);
  }

  .page-products .pd-hero {
    padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(3rem, 7vw, 5rem);
  }
}

@media (min-width: 1280px) {
  .page-products .pd-export__media {
    margin-top: 2rem;
  }
}

.page-products {
  --i: 0.3s;
}