.page-products {
  --pp-mod-accent: var(--c-cyan);
  overflow-x: clip;
}

.page-products section[id] {
  scroll-margin-top: 96px;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  margin-bottom: 8px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding-block: 24px 72px;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 300px;
  background-image:
    linear-gradient(to right, rgba(28, 39, 64, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 39, 64, 0.5) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(130% 90% at 18% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(130% 90% at 18% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-products .pp-hero__grid {
  position: relative;
  display: grid;
  gap: 36px;
}

.page-products .pp-h1 {
  margin: 12px 0 0;
  font-family: var(--f-head);
  font-size: clamp(36px, 7.2vw, 64px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.page-products .pp-hero__lede {
  margin-top: 20px;
  max-width: 34em;
}

.page-products .pp-hero__note {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 首屏数据条 */
.page-products .pp-stats {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-products .pp-stats__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 14px 18px;
  background: var(--c-panel);
  transition: background-color 0.22s ease-out;
}

.page-products .pp-stats__item:hover {
  background: var(--c-panel-2);
}

.page-products .pp-stats dt {
  font-size: 14px;
  color: var(--c-muted);
}

.page-products .pp-stats dd {
  margin: 0;
  font-size: 16px;
  color: var(--c-text);
}

/* ---------- 章节头 ---------- */
.page-products .pp-secthead {
  max-width: 46em;
  margin-bottom: 36px;
}

.page-products .pp-secthead .t-40,
.page-products .pp-secthead .t-28 {
  margin: 12px 0 0;
}

.page-products .pp-secthead .lede {
  margin-top: 16px;
}

/* ---------- 刻度分隔线 ---------- */
.page-products .pp-tick {
  height: 12px;
  margin-block: 8px;
  background-image: repeating-linear-gradient(90deg, var(--c-line) 0 1px, transparent 1px 16px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

/* ---------- 模块索引 ---------- */
.page-products .pp-index {
  list-style: none;
  margin: 0 0 44px;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-products .pp-index__item {
  border-bottom: 1px solid var(--c-line);
}

.page-products .pp-index__link {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 14px;
  padding: 18px 0;
  text-decoration: none;
  color: inherit;
}

.page-products .pp-index__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  background: var(--c-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.16s ease-out;
}

.page-products .pp-index__link:hover::after,
.page-products .pp-index__link:focus-visible::after {
  transform: scaleX(1);
}

.page-products .pp-index__no {
  grid-column: 1;
  grid-row: 1 / 3;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--c-violet);
}

.page-products .pp-index__name {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--f-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-text);
  transition: color 0.16s ease-out;
}

.page-products .pp-index__link:hover .pp-index__name,
.page-products .pp-index__link:focus-visible .pp-index__name {
  color: var(--c-cyan);
}

.page-products .pp-index__desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 图像 ---------- */
.page-products .pp-figure {
  aspect-ratio: 21 / 9;
  margin: 0;
}

.page-products .pp-figure--band {
  aspect-ratio: 16 / 9;
  margin: 0 0 32px;
}

.page-products .pp-figure--square {
  aspect-ratio: 1 / 1;
  margin: 0;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 模块外壳 ---------- */
.page-products .pp-mod {
  position: relative;
}

.page-products .pp-mod__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}

.page-products .pp-mod__no {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--pp-mod-accent);
}

.page-products .pp-mod__label {
  margin: 0;
  font-family: var(--f-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-products .pp-mod__grid {
  display: grid;
  gap: 32px;
}

.page-products .pp-mod__text .t-28 {
  margin: 0 0 14px;
}

.page-products .pp-mod__text .prose p + p {
  margin-top: 14px;
}

/* ---------- 表格 ---------- */
.page-products .pp-cap {
  caption-side: top;
  padding-bottom: 12px;
  font-size: 14px;
  line-height: 1.6;
  text-align: left;
  color: var(--c-muted);
}

.page-products .data-table th[scope="row"] {
  white-space: nowrap;
}

/* ---------- 条形对比 ---------- */
.page-products .pp-barblock {
  padding: 22px 20px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
}

.page-products .pp-barblock--flush {
  margin-top: 18px;
}

.page-products .pp-barblock__cap {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--c-muted);
}

.page-products .pp-bars {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-bar__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--c-muted);
}

.page-products .pp-bar__top .num {
  font-size: 15px;
  color: var(--c-text);
}

.page-products .pp-bar__track {
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--c-panel-2);
  overflow: hidden;
}

.page-products .pp-bar__fill {
  display: block;
  height: 100%;
  width: var(--w, 0%);
  border-radius: var(--r-pill);
  background: var(--grad-rise);
  transition: filter 0.2s ease-out;
}

.page-products .pp-bar:hover .pp-bar__fill {
  filter: brightness(1.18);
}

/* ---------- 轮次时间轴 ---------- */
.page-products .pp-railbox {
  padding: 24px 20px;
  background: var(--c-panel-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
}

.page-products .pp-rail {
  position: relative;
  height: 64px;
}

.page-products .pp-rail::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  height: 11px;
  background-image: repeating-linear-gradient(90deg, var(--c-line) 0 1px, transparent 1px 22px);
  -webkit-mask-image: linear-gradient(180deg, #000 0 40%, transparent 40%);
  mask-image: linear-gradient(180deg, #000 0 40%, transparent 40%);
}

.page-products .pp-rail::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  height: 1px;
  background: var(--c-line);
}

.page-products .pp-rail__done {
  position: absolute;
  left: 0;
  bottom: 14px;
  width: var(--x, 0%);
  height: 2px;
  border-radius: var(--r-pill);
  background: var(--grad-rise);
}

.page-products .pp-rail__dot {
  position: absolute;
  left: var(--x, 0%);
  bottom: 9px;
  width: 11px;
  height: 11px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 5px rgba(55, 230, 208, 0.16);
}

.page-products .pp-rail__tag {
  position: absolute;
  left: var(--x, 0%);
  bottom: 30px;
  transform: translateX(-50%);
  font-family: var(--f-num);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--c-cyan);
  white-space: nowrap;
}

.page-products .pp-rail__legend {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 13px;
  color: var(--c-muted);
}

.page-products .pp-states {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-products .pp-states__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}

.page-products .pp-states__k {
  font-family: var(--f-head);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-violet);
}

.page-products .pp-states__v {
  color: var(--c-muted);
}

/* ---------- 档案卡 ---------- */
.page-products .pp-archive {
  margin-top: 8px;
}

.page-products .pp-archive .panel {
  padding: 22px 20px;
}

.page-products .pp-archive__k {
  margin: 0;
  font-family: var(--f-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-products .pp-archive__v {
  margin: 10px 0 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--c-text);
}

.page-products .pp-archive__d {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 版本演进 ---------- */
.page-products .pp-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-products .pp-versions__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 4px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
  transition: background-color 0.22s ease-out;
}

.page-products .pp-versions__item:first-child {
  border-top: 1px solid var(--c-line);
}

.page-products .pp-versions__item:hover {
  background: rgba(17, 27, 56, 0.7);
}

.page-products .pp-versions__no {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-products .pp-versions__body h3 {
  margin: 0 0 8px;
  color: var(--c-text);
}

.page-products .pp-versions__body p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 使用边界 ---------- */
.page-products .pp-boundary {
  display: grid;
  gap: 32px;
}

.page-products .pp-boundary__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-products .pp-boundary__list li {
  position: relative;
  padding: 16px 0 16px 26px;
  border-bottom: 1px solid var(--c-line);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-products .pp-boundary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-gold);
}

.page-products .pp-boundary__aside p {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-products .pp-boundary__aside a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 230, 208, 0.4);
  transition: border-color 0.16s ease-out, color 0.16s ease-out;
}

.page-products .pp-boundary__aside a:hover,
.page-products .pp-boundary__aside a:focus-visible {
  color: var(--c-gold);
  border-bottom-color: var(--c-gold);
}

.page-products .pp-boundary__tail {
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  color: var(--c-text) !important;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pp-hero {
    padding-block: 32px 88px;
  }

  .page-products .pp-index__link {
    grid-template-columns: 56px 200px 1fr;
    gap: 0 20px;
    padding: 20px 0;
    align-items: baseline;
  }

  .page-products .pp-index__no {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products .pp-index__name {
    grid-column: 2;
    grid-row: 1;
  }

  .page-products .pp-index__desc {
    grid-column: 3;
    grid-row: 1;
  }

  .page-products .pp-boundary {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
  }

  .page-products .pp-barblock {
    padding: 26px 24px;
  }

  .page-products .pp-railbox {
    padding: 28px 24px;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .pp-mod__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 40px;
    align-items: start;
  }

  .page-products .pp-mod__text {
    grid-column: 1 / span 5;
  }

  .page-products .pp-mod__viz {
    grid-column: 7 / span 6;
  }

  .page-products .pp-mod--flip .pp-mod__text {
    grid-column: 8 / span 5;
  }

  .page-products .pp-mod--flip .pp-mod__viz {
    grid-column: 1 / span 6;
  }

  .page-products .pp-figure--band {
    margin-bottom: 40px;
  }
}

@media (min-width: 1200px) {
  .page-products .pp-tick {
    background-image: repeating-linear-gradient(90deg, var(--c-line) 0 1px, transparent 1px 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-index__link::after,
  .page-products .pp-index__name,
  .page-products .pp-bar__fill,
  .page-products .pp-stats__item,
  .page-products .pp-versions__item,
  .page-products .pp-boundary__aside a {
    transition: none;
  }
}
</main>

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