.page-products {
  --pd-edge: rgba(102, 242, 255, 0.3);
  --pd-edge-soft: rgba(102, 242, 255, 0.18);
  --pd-panel: linear-gradient(160deg, rgba(14, 42, 90, 0.9), rgba(4, 18, 42, 0.94));
  display: block;
  overflow-x: clip;
  padding-bottom: clamp(1rem, 3vw, 2rem);
}

/* ---------- 01 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(1.25rem, 3.5vw, 2.5rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background:
    radial-gradient(120% 95% at 84% 10%, rgba(0, 229, 255, 0.24), transparent 58%),
    linear-gradient(118deg, var(--midnight) 0%, var(--void) 58%, var(--void-deep) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  z-index: -1;
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-products .pd-hero__mark {
  margin: 0;
  color: var(--cyan-soft);
}

.page-products .pd-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.4vw, 3.85rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0.55rem 0 1rem;
  text-wrap: balance;
}

.page-products .pd-hero__lead {
  font-size: clamp(0.98rem, 2.1vw, 1.1rem);
  line-height: 1.82;
  color: var(--ink-dim);
  max-width: 48ch;
  margin: 0 0 1.25rem;
}

.page-products .pd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.page-products .pd-hero__frame {
  position: relative;
  border: 3px solid var(--edge-strong);
  background: var(--void-deep);
  box-shadow: var(--hard-shadow), var(--glow);
}

.page-products .pd-hero__frame::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  width: 38%;
  height: 10px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}

.page-products .pd-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .pd-hero__figure .media__caption {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

@media (min-width: 960px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }
}

/* ---------- 02 下载与设备适配 ---------- */
.page-products .pd-adapt__grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-products .pd-adapt__card {
  position: relative;
  padding: 1.25rem 1.2rem 1.4rem;
  border: 2px solid var(--pd-edge);
  border-top: 3px solid var(--cyan);
  background: var(--pd-panel);
}

.page-products .pd-adapt__card:nth-child(2) {
  border-top-color: var(--gold);
}

.page-products .pd-adapt__card:nth-child(3) {
  border-top-color: var(--coral);
}

.page-products .pd-adapt__os {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-products .pd-adapt__card h3 {
  margin: 0.4rem 0 0.5rem;
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pd-adapt__card p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--ink-dim);
}

@media (min-width: 760px) {
  .page-products .pd-adapt__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pd-steps {
  border: 2px solid var(--pd-edge);
  background: rgba(11, 15, 23, 0.55);
  margin: 0;
}

.page-products .pd-steps > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
  font-weight: 800;
  font-size: 1rem;
  color: var(--ink);
}

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

.page-products .pd-steps > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--cyan);
}

.page-products .pd-steps[open] > summary::after {
  content: "－";
}

.page-products .pd-steps__list {
  list-style: none;
  margin: 0;
  padding: 0 1.2rem 1.2rem;
  display: grid;
  gap: 0;
}

.page-products .pd-steps__list li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  padding-top: 0.85rem;
  margin-top: 0.85rem;
  border-top: 1px dashed var(--pd-edge-soft);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-products .pd-steps__list li:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-products .pd-steps__list .mono {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 0.15rem;
}

/* ---------- 03 核心功能矩阵 ---------- */
.page-products .pd-capability__shot {
  margin: 0 0 1.75rem;
  border: 2px solid var(--pd-edge);
  background: var(--void-deep);
}

.page-products .pd-capability__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pd-capability__shot .media__caption {
  display: block;
  padding: 0.65rem 0.9rem;
  border-top: 2px solid var(--pd-edge);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.page-products .pd-cards {
  gap: 1rem;
}

.page-products .pd-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.35rem 1.2rem 1.4rem;
  border: 2px solid var(--pd-edge);
  background: var(--pd-panel);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-products .pd-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
  background: var(--cyan);
  transform: scaleX(0.3);
  transform-origin: left center;
  transition: transform 0.4s var(--ease);
}

.page-products .pd-card:nth-child(2)::before { background: var(--gold); }
.page-products .pd-card:nth-child(3)::before { background: var(--coral); }
.page-products .pd-card:nth-child(4)::before { background: var(--indigo); }
.page-products .pd-card:nth-child(5)::before { background: var(--cyan-soft); }
.page-products .pd-card:nth-child(6)::before { background: var(--wine); }

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

.page-products .pd-card:hover::before,
.page-products .pd-card:focus-within::before {
  transform: scaleX(1);
}

.page-products .pd-card__num {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
}

.page-products .pd-card__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pd-card__body {
  margin: 0;
  flex: 1;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-products .pd-card__tags {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ---------- 04 底部标签栏 ---------- */
.page-products .pd-tabbar {
  position: relative;
  isolation: isolate;
  margin-block: clamp(2rem, 5vw, 3.25rem);
  padding-block: clamp(2.25rem, 5.5vw, 3.75rem);
}

.page-products .pd-tabbar::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background:
    radial-gradient(90% 80% at 10% 0%, rgba(75, 46, 131, 0.82), transparent 62%),
    linear-gradient(160deg, rgba(14, 42, 90, 0.92), rgba(7, 26, 58, 0.96));
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
  z-index: -1;
}

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

.page-products .pd-tabbar__lead {
  margin: 0 0 1.1rem;
  font-size: 0.98rem;
  line-height: 1.82;
  color: var(--ink-dim);
  max-width: 46ch;
}

.page-products .pd-tabbar__list {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-products .pd-tabbar__list li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.6rem 0.85rem;
  border-left: 3px solid var(--cyan);
  background: rgba(7, 26, 58, 0.62);
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-products .pd-tabbar__list li:nth-child(2) { border-left-color: var(--gold); }
.page-products .pd-tabbar__list li:nth-child(3) { border-left-color: var(--coral); }
.page-products .pd-tabbar__list li:nth-child(4) { border-left-color: var(--cyan-soft); }
.page-products .pd-tabbar__list li:nth-child(5) { border-left-color: var(--indigo); }

.page-products .pd-tabbar__list .mono {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pd-tabbar__foot {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ink-faint);
  border-top: 1px solid var(--pd-edge-soft);
  padding-top: 0.95rem;
}

.page-products .pd-tabbar__figure {
  margin: 0;
  border: 3px solid var(--edge-strong);
  box-shadow: var(--hard-shadow);
  background: var(--void-deep);
}

.page-products .pd-tabbar__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
}

.page-products .pd-tabbar__figure .media__caption {
  display: block;
  padding: 0.6rem 0.85rem;
  border-top: 2px solid var(--pd-edge);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

@media (min-width: 900px) {
  .page-products .pd-tabbar__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

/* ---------- 05 会员权益 ---------- */
.page-products .pd-member__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-products .pd-member__figure {
  margin: 0;
  border: 3px solid var(--gold);
  box-shadow: 8px 8px 0 rgba(4, 18, 42, 0.9);
  background: var(--void-deep);
}

.page-products .pd-member__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-products .pd-member__figure .media__caption {
  display: block;
  padding: 0.6rem 0.85rem;
  border-top: 2px solid rgba(255, 183, 3, 0.5);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.page-products .pd-member__lead {
  margin: 0 0 1.1rem;
  font-size: 0.98rem;
  line-height: 1.82;
  color: var(--ink-dim);
}

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

.page-products .pd-member__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.95rem 1.05rem;
  border: 2px solid rgba(255, 183, 3, 0.28);
  background: linear-gradient(120deg, rgba(255, 183, 3, 0.08), rgba(7, 26, 58, 0.62));
}

.page-products .pd-member__idx {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  padding-top: 0.2rem;
}

.page-products .pd-member__list h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pd-member__list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-dim);
}

@media (min-width: 900px) {
  .page-products .pd-member__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

/* ---------- 06 版本演进 ---------- */
.page-products .pd-version__shot {
  margin: 0 0 2rem;
  border: 2px solid var(--pd-edge);
  background: var(--void-deep);
}

.page-products .pd-version__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-products .pd-version__shot .media__caption {
  display: block;
  padding: 0.65rem 0.9rem;
  border-top: 2px solid var(--pd-edge);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

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

.page-products .pd-track__node {
  position: relative;
  padding: 1.45rem 1.2rem 1.5rem;
  border: 2px solid var(--pd-edge);
  background: var(--pd-panel);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products .pd-track__node::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 1.2rem;
  width: 14px;
  height: 14px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.9);
}

.page-products .pd-track__node:nth-child(2)::before { background: var(--gold); box-shadow: 0 0 18px rgba(255, 183, 3, 0.85); }
.page-products .pd-track__node:nth-child(3)::before { background: var(--coral); box-shadow: 0 0 18px rgba(255, 90, 95, 0.85); }

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

.page-products .pd-track__ver {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
}

.page-products .pd-track__node h3 {
  margin: 0.45rem 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pd-track__node p:last-child {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ink-dim);
}

@media (min-width: 860px) {
  .page-products .pd-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    padding-top: 2.85rem;
  }

  .page-products .pd-track::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 1.25rem;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--gold) 55%, var(--coral));
    opacity: 0.55;
  }

  .page-products .pd-track__node::before {
    top: calc(-1.6rem - 7px);
  }
}

/* ---------- 07 适用场景 ---------- */
.page-products .pd-scene-grid {
  gap: 0.9rem;
}

.page-products .pd-scene {
  padding: 1.25rem 1.2rem 1.35rem 1.4rem;
  border-left: 4px solid var(--cyan);
  background: linear-gradient(100deg, rgba(14, 42, 90, 0.72), rgba(7, 26, 58, 0.5));
}

.page-products .pd-scene:nth-child(2) { border-left-color: var(--gold); }
.page-products .pd-scene:nth-child(3) { border-left-color: var(--coral); }
.page-products .pd-scene:nth-child(4) { border-left-color: var(--cyan-soft); }
.page-products .pd-scene:nth-child(5) { border-left-color: var(--indigo); }
.page-products .pd-scene:nth-child(6) { border-left-color: var(--wine); }

.page-products .pd-scene h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pd-scene p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ink-dim);
}

/* ---------- 08 下载后下一步 ---------- */
.page-products .pd-next {
  position: relative;
  isolation: isolate;
  padding-block: clamp(2.25rem, 5.5vw, 3.5rem);
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.page-products .pd-next::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background: linear-gradient(120deg, rgba(140, 29, 64, 0.85), rgba(7, 26, 58, 0.95) 62%);
  clip-path: polygon(0 0, 100% 7%, 100% 100%, 0 93%);
  z-index: -1;
}

.page-products .pd-next__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-products .pd-next__copy .annotation {
  margin: 0;
  color: var(--coral);
}

.page-products .pd-next__copy h2 {
  margin: 0.5rem 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .pd-next__copy p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--ink-dim);
  max-width: 42ch;
}

.page-products .pd-next__links {
  display: grid;
  gap: 0.75rem;
}

.page-products .pd-next__link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.1rem;
  border: 2px solid rgba(102, 242, 255, 0.28);
  background: rgba(7, 26, 58, 0.72);
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .pd-next__link:hover,
.page-products .pd-next__link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--edge-strong);
  background: rgba(0, 229, 255, 0.09);
}

.page-products .pd-next__idx {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}

.page-products .pd-next__title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pd-next__desc {
  font-size: 0.87rem;
  line-height: 1.65;
  color: var(--ink-dim);
}

@media (min-width: 560px) {
  .page-products .pd-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pd-next__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  }
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 599px) {
  .page-products .pd-hero::before,
  .page-products .pd-tabbar::before,
  .page-products .pd-next::before {
    clip-path: none;
  }

  .page-products .pd-hero__frame::before {
    width: 52%;
  }

  .page-products .pd-hero__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-card,
  .page-products .pd-track__node,
  .page-products .pd-next__link,
  .page-products .pd-card::before {
    transition: none;
  }

  .page-products .pd-card:hover,
  .page-products .pd-track__node:hover,
  .page-products .pd-next__link:hover {
    transform: none;
  }
}