.page-products {
  --pp-gap: clamp(24px, 4vw, 48px);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) 0 clamp(40px, 7vw, 88px);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(0, 229, 200, 0.20), transparent 62%),
    radial-gradient(90% 70% at 2% 6%, rgba(255, 107, 69, 0.13), transparent 58%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-products .hero::after {
  content: "";
  position: absolute;
  right: -16%;
  top: -34%;
  width: min(560px, 76vw);
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, rgba(0, 229, 200, 0.26), rgba(0, 229, 200, 0));
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-products .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7.2vw, 62px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-products .hero__lead {
  margin-top: 18px;
  max-width: 46ch;
  color: var(--muted);
}

.page-products .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 22px;
  margin: clamp(30px, 5vw, 46px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-products .hero__stats .stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 500;
  color: var(--cyan);
  margin: 6px 0 0;
}

.page-products .hero__stats .stat__label {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* 悬浮统计卡（看板纵深） */
.page-products .boardcard {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(160deg, var(--panel), var(--panel-deep));
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-products .boardcard--float {
  border-top-color: var(--coral);
}

.page-products .boardcard__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .boardcard__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 600;
  line-height: 1;
  color: var(--coral);
}

.page-products .boardcard__unit {
  margin: 8px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .boardcard__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .boardcard__note--last {
  margin-top: 10px;
}

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

.page-products .boardlist__item + .boardlist__item {
  border-top: 1px solid rgba(18, 58, 87, 0.7);
}

.page-products .boardlist__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  transition: color 200ms var(--ease), transform 200ms var(--ease);
}

.page-products .boardlist__link:hover,
.page-products .boardlist__link:focus-visible {
  color: var(--cyan-bright);
  transform: translateX(4px);
}

.page-products .boardlist__mark {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 模块章节 ---------- */
.page-products .mod {
  position: relative;
  padding: clamp(46px, 7vw, 92px) 0;
  border-top: 1px solid var(--line);
}

.page-products .mod__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "body" "aside";
  gap: clamp(26px, 4vw, 40px);
  align-items: start;
}

.page-products .mod__body {
  grid-area: body;
  min-width: 0;
}

.page-products .mod__aside {
  grid-area: aside;
}

.page-products .mod__num {
  margin: 10px 0 20px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(14px, 2.2vw, 17px);
  letter-spacing: 0.03em;
  color: var(--cyan-bright);
}

.page-products .mod .display-3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 42px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .prose {
  max-width: 68ch;
}

.page-products .prose p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.75;
}

/* 数据表 */
.page-products .table-scroll {
  margin: 26px 0 0;
  overflow-x: auto;
  background: linear-gradient(160deg, rgba(10, 33, 54, 0.75), rgba(7, 26, 43, 0.75));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .gridtable {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .gridtable thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .gridtable tbody th,
.page-products .gridtable tbody td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  color: var(--white);
  border-bottom: 1px solid rgba(18, 58, 87, 0.6);
}

.page-products .gridtable tbody th {
  font-weight: 700;
  white-space: nowrap;
}

.page-products .gridtable tbody td {
  color: var(--muted);
}

.page-products .gridtable .is-key {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--coral);
}

.page-products .gridtable thead th:first-child,
.page-products .gridtable tbody th:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--ink-800);
  box-shadow: 1px 0 0 var(--line);
}

/* 双栏对照 */
.page-products .duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 28px 0 0;
}

.page-products .duo__card {
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(165deg, var(--panel), var(--panel-deep));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .duo__card--a {
  border-top: 3px solid var(--cyan);
}

.page-products .duo__card--b {
  border-top: 3px solid var(--coral);
}

.page-products .duo__title {
  margin: 12px 0 4px;
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-products .ticks {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .ticks--tight {
  margin-top: 0;
}

.page-products .ticks li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* 图形 */
.page-products .bracket,
.page-products .offsides {
  margin: 28px 0 0;
  padding: 18px;
  background: linear-gradient(155deg, rgba(10, 33, 54, 0.7), rgba(4, 18, 31, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .bracket svg,
.page-products .offsides svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .bracket__caption,
.page-products .offsides__caption {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .bracket__final {
  filter: drop-shadow(0 0 10px rgba(91, 255, 227, 0.5));
}

/* 图文容器 */
.page-products .media {
  margin: 28px 0 0;
}

.page-products .media__frame {
  padding: 10px;
  background:
    linear-gradient(150deg, rgba(0, 229, 200, 0.10), rgba(255, 107, 69, 0.07)),
    linear-gradient(180deg, var(--panel-deep), var(--ink-800));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  filter: saturate(1.05) contrast(1.04);
}

.page-products .media__caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* 分层结构 */
.page-products .layers {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
}

.page-products .layer {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 18px;
  background: linear-gradient(150deg, rgba(10, 33, 54, 0.85), rgba(7, 26, 43, 0.85));
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
}

.page-products .layer--sub {
  border-left-color: var(--amber);
}

.page-products .layer__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .layer__tag--amber {
  color: var(--amber);
}

.page-products .layer__tag--coral {
  color: var(--coral);
}

.page-products .layer__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--white);
}

.page-products .layer__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 交付卡片 */
.page-products .delivers {
  margin: 28px 0 0;
}

.page-products .deliver {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 3vw, 24px);
  background: linear-gradient(165deg, var(--panel), var(--panel-deep));
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-products .deliver:hover,
.page-products .deliver:focus-within {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.page-products .deliver .card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-products .deliver .card__meta {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

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

/* 时间轴 */
.page-products .ptl {
  list-style: none;
  margin: 36px 0 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--line);
}

.page-products .timeline__item {
  position: relative;
  padding: 0 0 24px 4px;
}

.page-products .timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--panel);
  border: 1px solid var(--line);
  transform: rotate(45deg);
}

.page-products .timeline__item.is-active::before {
  background: var(--cyan);
  border-color: var(--cyan-bright);
  box-shadow: 0 0 12px rgba(0, 229, 200, 0.7);
}

.page-products .ptl__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .ptl__label {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

/* 问答 */
.page-products .ptacc {
  margin: 32px 0 0;
  border-top: 1px solid var(--line);
}

.page-products .ptacc .accordion__item {
  border-bottom: 1px solid var(--line);
}

.page-products .ptacc .accordion__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 2px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  list-style: none;
}

.page-products .ptacc .accordion__q::-webkit-details-marker {
  display: none;
}

.page-products .ptacc .accordion__q:hover,
.page-products .ptacc .accordion__q:focus-visible {
  color: var(--cyan-bright);
}

.page-products .ptacc .accordion__icon {
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.page-products .ptacc .accordion__a {
  padding: 0 2px 18px;
}

.page-products .ptacc .accordion__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* 场景 */
.page-products .scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 26px 0 0;
}

.page-products .scene {
  padding: 20px;
  background: linear-gradient(160deg, rgba(10, 33, 54, 0.9), rgba(7, 26, 43, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-products .scene:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 200, 0.55);
}

.page-products .scene__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 600;
  color: var(--coral);
}

.page-products .scene__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .scene p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* 结尾行动区 */
.page-products .cta-band {
  margin-top: clamp(24px, 4vw, 48px);
  padding: clamp(30px, 5vw, 58px) 0;
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 107, 69, 0.18), transparent 60%),
    linear-gradient(120deg, var(--panel), var(--ink-800));
  border-top: 1px solid var(--line);
}

.page-products .cta-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.page-products .cta-band__copy .lead {
  margin: 12px 0 0;
  max-width: 52ch;
  color: var(--muted);
}

.page-products .cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .footer__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 200, 0.35);
}

.page-products .footer__link:hover,
.page-products .footer__link:focus-visible {
  color: var(--cyan-bright);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .layer {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
  }
}

@media (min-width: 760px) {
  .page-products .duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .cta-band__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    justify-items: start;
  }

  .page-products .cta-band__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-products .hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
    align-items: end;
  }

  .page-products .mod__grid {
    grid-template-columns: minmax(0, 1fr) 296px;
    grid-template-areas: "body aside";
    gap: clamp(34px, 4vw, 72px);
  }

  .page-products .mod--flip .mod__grid {
    grid-template-columns: 296px minmax(0, 1fr);
    grid-template-areas: "aside body";
  }

  .page-products .mod__aside {
    position: sticky;
    top: 104px;
  }

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

@media (min-width: 1200px) {
  .page-products .hero__board {
    margin-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .boardlist__link,
  .page-products .deliver,
  .page-products .scene {
    transition: none;
  }

  .page-products .deliver:hover,
  .page-products .scene:hover,
  .page-products .boardlist__link:hover {
    transform: none;
  }
}