.page-products {
  --pp-hair: rgba(155, 246, 255, 0.14);
  --pp-hair-strong: rgba(155, 246, 255, 0.30);
  --pp-soft: rgba(234, 243, 255, 0.78);
  max-width: var(--shell);
  margin-inline: auto;
  padding: 12px clamp(14px, 4vw, 40px) 80px;
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-products .breadcrumb {
  margin-bottom: 18px;
  font-size: 12px;
}

.page-products .prod-kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-products .prod-link {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 255, 0.35);
}

.page-products .prod-link:hover,
.page-products .prod-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏框景 ---------- */
.page-products .prod-hero {
  position: relative;
  margin: 16px 0 64px;
  border: 1px solid var(--pp-hair);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(34, 230, 255, 0.10), transparent 55%),
    linear-gradient(158deg, #0a1730 0%, #040914 62%);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(34, 230, 255, 0.09);
  pointer-events: none;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 16px;
  background-image: repeating-linear-gradient(90deg, rgba(155, 246, 255, 0.30) 0 1px, transparent 1px 26px);
  opacity: 0.55;
  pointer-events: none;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  padding: clamp(30px, 6vw, 58px) clamp(20px, 5vw, 52px) clamp(28px, 5vw, 46px);
}

.page-products .prod-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 6.2vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-products .prod-hero__title em {
  display: block;
  font-style: normal;
  color: var(--cyan);
}

.page-products .prod-hero__lead {
  margin: 0 0 26px;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pp-soft);
}

.page-products .prod-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .prod-hero__panel {
  border-top: 1px solid var(--pp-hair);
  padding-top: 20px;
}

.page-products .prod-hero__panel-title {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-products .prod-hero__list {
  list-style: none;
  margin: 14px 0 22px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .prod-hero__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(155, 246, 255, 0.08);
}

.page-products .prod-hero__list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .prod-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.page-products .prod-hero__stats div {
  display: grid;
  gap: 2px;
}

.page-products .prod-hero__stats strong {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  color: var(--gold);
}

.page-products .prod-hero__stats span {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, 0.75fr);
    align-items: end;
    gap: 52px;
  }

  .page-products .prod-hero__panel {
    border-top: 0;
    border-left: 1px solid var(--pp-hair);
    padding: 4px 0 4px 24px;
  }

  .page-products .prod-hero__lead {
    font-size: 17px;
  }
}

/* ---------- 章节头 ---------- */
.page-products .prod-section-head {
  border-top: 1px solid var(--pp-hair);
  padding-top: 22px;
  margin-bottom: 26px;
}

.page-products .prod-section-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-products .prod-section-head__lead {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  color: var(--muted);
}

/* ---------- 产品线总览 ---------- */
.page-products .prod-lines__layout {
  display: grid;
  gap: 22px;
}

.page-products .prod-lines__figure {
  margin: 0;
}

.page-products .prod-lines__figure .media-frame {
  aspect-ratio: 4 / 3;
}

.page-products .prod-lines__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .prod-cells {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.page-products .prod-cell {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 16px 18px 18px 20px;
  background: var(--night);
}

.page-products .prod-cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  opacity: 0.45;
}

.page-products .prod-cell:nth-child(2) {
  background: #081a33;
}

.page-products .prod-cell:nth-child(3) {
  background: var(--panel);
}

.page-products .prod-cell:nth-child(4) {
  background: #10203c;
}

.page-products .prod-cell:nth-child(5) {
  background: #132644;
}

.page-products .prod-cell__top {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-products .prod-cell__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .prod-cell h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: 0.02em;
}

.page-products .prod-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-soft);
}

.page-products .prod-cell__for {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

@media (min-width: 860px) {
  .page-products .prod-lines__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 26px;
    align-items: start;
  }
}

/* ---------- 逐条拆开 ---------- */
.page-products .prod-detail {
  margin-top: 56px;
}

.page-products .prod-detail__layout {
  display: grid;
  gap: 18px;
}

.page-products .prod-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  border-bottom: 1px solid var(--pp-hair);
  padding-bottom: 8px;
}

.page-products .prod-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .prod-index__link .mono {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(34, 230, 255, 0.05);
}

.page-products .prod-module {
  padding: 26px 0 34px;
  border-top: 1px solid var(--pp-hair);
}

.page-products .prod-module__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-products .prod-module__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .prod-module__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(21px, 3vw, 27px);
  letter-spacing: 0.01em;
}

.page-products .prod-module__grid {
  display: grid;
  gap: 20px;
}

.page-products .prod-module__text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-soft);
}

.page-products .prod-module__lead {
  margin: 0 0 4px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-soft);
}

.page-products .prod-module__figure {
  margin: 0;
}

.page-products .prod-module__figure .media-frame {
  aspect-ratio: 3 / 4;
}

.page-products .prod-module__figure--wide .media-frame {
  aspect-ratio: 3 / 2;
}

.page-products .prod-module__figure .media-frame img,
.page-products .prod-v4__figure .media-frame img,
.page-products .prod-lines__figure .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .prod-points {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-soft);
}

.page-products .prod-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-products .prod-fold {
  margin-top: 18px;
  border-top: 1px solid var(--pp-hair);
  padding-top: 4px;
}

.page-products .prod-fold > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  font-size: 14px;
  color: var(--cyan-soft);
}

.page-products .prod-fold > summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-fold > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-products .prod-fold[open] > summary::after {
  content: "−";
}

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

.page-products .prod-spec {
  display: grid;
  gap: 1px;
  margin: 18px 0;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.page-products .prod-spec__col {
  background: var(--night);
  padding: 18px;
}

.page-products .prod-spec__col h4 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--cyan-soft);
}

.page-products .prod-spec__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .prod-spec__list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--pp-soft);
}

.page-products .prod-spec__list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
  min-width: 20px;
}

.page-products .prod-board-views {
  list-style: none;
  margin: 16px 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.page-products .prod-board-views li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  background: #0a1730;
  padding: 12px 14px;
  font-size: 13.5px;
}

.page-products .prod-board-views .mono {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

@media (min-width: 720px) {
  .page-products .prod-module__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .prod-module__grid--flip > .prod-module__figure {
    order: -1;
  }
}

@media (min-width: 640px) {
  .page-products .prod-spec {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-products .prod-detail__layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .prod-detail__index {
    position: sticky;
    top: 24px;
  }

  .page-products .prod-index {
    border-bottom: 0;
    border-left: 1px solid var(--pp-hair);
    padding-bottom: 0;
    gap: 2px;
  }
}

/* ---------- V4 专区 ---------- */
.page-products .prod-v4 {
  position: relative;
  margin-top: 60px;
  padding: clamp(24px, 5vw, 48px) clamp(20px, 4vw, 44px) clamp(28px, 5vw, 44px);
  border: 1px solid var(--pp-hair-strong);
  background:
    linear-gradient(160deg, rgba(21, 58, 138, 0.34), rgba(4, 9, 20, 0.92) 58%),
    var(--ink);
  overflow: hidden;
}

.page-products .prod-v4::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 160px;
  height: 160px;
  background: linear-gradient(225deg, rgba(34, 230, 255, 0.18), transparent 70%);
  pointer-events: none;
}

.page-products .prod-v4__head {
  position: relative;
  max-width: 62ch;
}

.page-products .prod-v4__head h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(25px, 4.2vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-products .prod-v4__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-soft);
}

.page-products .v4-steps {
  list-style: none;
  margin: 30px 0 30px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .v4-step {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  column-gap: 14px;
  align-content: start;
}

.page-products .v4-step__node {
  grid-column: 1;
  grid-row: 1 / span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: rgba(4, 9, 20, 0.92);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-products .v4-step h3 {
  grid-column: 2;
  margin: 4px 0 4px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.page-products .v4-step p {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-v4__body {
  display: grid;
  gap: 22px;
}

.page-products .prod-v4__figure {
  margin: 0;
}

.page-products .prod-v4__figure .media-frame {
  aspect-ratio: 12 / 7;
}

.page-products .prod-v4__fold .prod-fold {
  margin-top: 0;
  border-top: 1px solid var(--pp-hair);
  padding: 0 16px;
  background: rgba(4, 9, 20, 0.55);
}

.page-products .prod-v4__fold .prod-fold + .prod-fold {
  margin-top: 8px;
}

.page-products .prod-v4__fold .prod-fold > summary {
  padding: 14px 0;
}

@media (min-width: 760px) {
  .page-products .v4-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .v4-step {
    grid-template-columns: 30px minmax(0, 1fr);
    column-gap: 12px;
    padding-right: 22px;
  }

  .page-products .v4-step::after {
    content: "";
    position: absolute;
    top: 15px;
    left: 34px;
    right: 10px;
    height: 1px;
    background: linear-gradient(90deg, rgba(34, 230, 255, 0.55), rgba(34, 230, 255, 0.06));
  }

  .page-products .v4-step:last-child::after {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-products .prod-v4__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 32px;
    align-items: start;
  }
}

/* ---------- 适用对象 ---------- */
.page-products .prod-audience {
  margin-top: 60px;
}

.page-products .prod-audience__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.page-products .aud-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px 24px;
  background: var(--night);
}

.page-products .aud-card:nth-child(2) {
  background: #081a33;
}

.page-products .aud-card:nth-child(3) {
  background: var(--panel);
}

.page-products .aud-card:nth-child(4) {
  background: #10203c;
}

.page-products .aud-card__role {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 21px;
  letter-spacing: 0.02em;
}

.page-products .aud-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-soft);
}

.page-products .aud-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.page-products .aud-card__chip {
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border: 1px solid rgba(34, 230, 255, 0.30);
  border-radius: 999px;
  color: var(--cyan-soft);
}

@media (min-width: 640px) {
  .page-products .prod-audience__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 结尾 ---------- */
.page-products .prod-cta {
  margin-top: 60px;
  border-top: 1px solid var(--pp-hair);
  padding-top: 30px;
  display: grid;
  gap: 16px;
}

.page-products .prod-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 3.6vw, 32px);
  line-height: 1.2;
}

.page-products .prod-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}