.page-products {
  --pp-on-paper: #45566a;
  --pp-edge: rgba(2, 6, 12, .12);
  --pp-soft-text: rgba(242, 246, 250, .78);
  background: var(--abyss-950);
  color: var(--text);
  overflow-x: hidden;
}

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

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -.015em;
  margin: 12px 0 0;
}

.page-products .section-lede {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pp-soft-text);
}

/* ---------- HERO ---------- */
.page-products .prod-hero {
  position: relative;
  padding: 84px 0 64px;
  border-bottom: 1px solid var(--line);
  background-color: var(--abyss-950);
  background-image:
    linear-gradient(to right, rgba(140, 163, 184, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140, 163, 184, .07) 1px, transparent 1px),
    radial-gradient(880px 420px at 88% -12%, rgba(37, 217, 210, .12), transparent 70%),
    radial-gradient(680px 380px at -6% 6%, rgba(255, 107, 44, .12), transparent 70%);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.page-products .hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 26px;
}

.page-products .prod-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 66px);
  line-height: 1.06;
  letter-spacing: -.022em;
  margin: 16px 0 0;
}

.page-products .hero-lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--pp-soft-text);
}

.page-products .hero-keyword {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 15px;
  line-height: 1.78;
  color: var(--amber-200);
  max-width: 58ch;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .hero-snapshot {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-block);
  background: linear-gradient(165deg, rgba(17, 50, 80, .58), rgba(10, 26, 47, .92));
  padding: 22px;
}

.page-products .snap-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--slate-400);
}

.page-products .snap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.page-products .snap-cell {
  background: rgba(5, 13, 26, .88);
  padding: 16px 14px 18px;
}

.page-products .snap-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 700;
  line-height: 1;
  color: var(--paper-100);
}

.page-products .snap-label {
  display: block;
  margin-top: 9px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--slate-400);
}

.page-products .snap-foot {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate-400);
}

/* ---------- 三步注册（浅色带） ---------- */
.page-products .reg-band {
  background: var(--paper-100);
  color: var(--ink-950);
  padding: 72px 0 76px;
}

.page-products .reg-band .section-title {
  color: var(--ink-950);
}

.page-products .reg-band .section-lede {
  color: var(--pp-on-paper);
}

.page-products .reg-band .eyebrow {
  color: var(--orange);
}

.page-products .reg-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 36px;
}

.page-products .step-item {
  background: var(--abyss-950);
  color: var(--paper-100);
  border: 1px solid var(--pp-edge);
  border-radius: var(--radius-soft);
  padding: 20px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .step-item[open] {
  border-color: rgba(255, 107, 44, .55);
}

.page-products .step-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-products .step-item > summary::-webkit-details-marker {
  display: none;
}

.page-products .step-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
  border: 1px solid rgba(255, 107, 44, .5);
  border-radius: 6px;
  padding: 4px 7px;
  line-height: 1;
}

.page-products .step-body {
  flex: 1 1 auto;
}

.page-products .step-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
}

.page-products .step-hint {
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--slate-400);
}

.page-products .step-detail {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed rgba(140, 163, 184, .32);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pp-soft-text);
}

.page-products .step-detail p {
  margin: 0;
}

.page-products .reg-figure {
  margin: 34px 0 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-block);
  overflow: hidden;
}

.page-products .reg-tip {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-on-paper);
}

.page-products .reg-tip a {
  color: #b8410f;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 换设备 ---------- */
.page-products .device-band {
  padding: 80px 0;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(720px 360px at 96% 20%, rgba(37, 217, 210, .1), transparent 72%),
    var(--abyss-950);
}

.page-products .device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-products .path-list {
  list-style: none;
  counter-reset: path;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .path-list li {
  counter-increment: path;
  position: relative;
  padding: 15px 16px 15px 52px;
  border-radius: var(--radius-soft);
  border: 1px solid var(--line);
  background: rgba(17, 50, 80, .42);
  font-size: 15px;
  line-height: 1.72;
  color: var(--pp-soft-text);
}

.page-products .path-list li strong {
  color: var(--paper-100);
  font-weight: 600;
}

.page-products .path-list li::before {
  content: counter(path, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-products .device-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-400);
}

.page-products .device-copy .btn {
  margin-top: 22px;
}

.page-products .device-figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-block);
  overflow: hidden;
  border: 1px solid var(--line);
}

/* ---------- 版本中心 ---------- */
.page-products .version-band {
  padding: 80px 0;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(17, 50, 80, .62), rgba(5, 13, 26, 1) 70%),
    var(--abyss-950);
}

.page-products .version-mirror {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 38px;
}

.page-products .version-col {
  padding: 28px 24px 30px;
  border-radius: var(--radius-block);
  border: 1px solid var(--line);
  background: rgba(10, 26, 47, .68);
}

.page-products .version-col--beta {
  border-color: rgba(255, 107, 44, .42);
  background: linear-gradient(155deg, rgba(255, 107, 44, .17), rgba(10, 26, 47, .94) 64%);
}

.page-products .version-col--ctrl {
  border-color: rgba(37, 217, 210, .4);
  background: linear-gradient(205deg, rgba(37, 217, 210, .15), rgba(10, 26, 47, .94) 64%);
}

.page-products .version-col h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 27px);
  line-height: 1.28;
  margin: 18px 0 0;
}

.page-products .version-desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-soft-text);
}

.page-products .spec-list {
  margin: 22px 0 0;
  display: grid;
  gap: 12px;
}

.page-products .spec-list > div {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(140, 163, 184, .18);
}

.page-products .spec-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--slate-400);
  padding-top: 3px;
}

.page-products .spec-list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pp-soft-text);
}

.page-products .version-figure {
  margin: 30px 0 0;
  aspect-ratio: 14 / 9;
  border-radius: var(--radius-block);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-products .version-choose {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.page-products .choose-item {
  background: rgba(5, 13, 26, .9);
  padding: 20px;
}

.page-products .choose-head {
  margin: 0 0 10px;
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .choose-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--pp-soft-text);
}

/* ---------- 检索导出 ---------- */
.page-products .merge-band {
  padding: 80px 0;
  border-top: 1px solid var(--line);
  background: var(--abyss-950);
}

.page-products .merge-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-products .merge-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .merge-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  background: rgba(17, 50, 80, .34);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pp-soft-text);
}

.page-products .merge-idx {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
  padding-top: 3px;
}

.page-products .merge-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-400);
}

.page-products .merge-figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-block);
  overflow: hidden;
  border: 1px solid var(--line);
}

/* ---------- 档位 ---------- */
.page-products .tier-band {
  padding: 80px 0;
  border-top: 1px solid var(--line);
  background: var(--abyss-900);
}

.page-products .table-scroll {
  margin-top: 34px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
}

.page-products .tier-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.62;
}

.page-products .tier-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate-400);
  background: rgba(17, 50, 80, .55);
  font-weight: 500;
}

.page-products .tier-table th,
.page-products .tier-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(140, 163, 184, .16);
}

.page-products .tier-table tbody th {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--paper-100);
  white-space: nowrap;
}

.page-products .tier-table td {
  color: var(--pp-soft-text);
}

.page-products .tier-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .tier-table tbody tr:hover th,
.page-products .tier-table tbody tr:hover td {
  background: rgba(37, 217, 210, .08);
}

.page-products .tier-table tbody tr:last-child th,
.page-products .tier-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .tier-foot {
  margin-top: 26px;
  display: grid;
  gap: 20px;
}

.page-products .tier-note {
  margin: 0;
  max-width: 76ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-products .tier-foot .btn {
  justify-self: start;
}

/* ---------- 下一步 ---------- */
.page-products .next-band {
  padding: 72px 0 56px;
  border-top: 1px solid var(--line);
  background: var(--abyss-950);
}

.page-products .next-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .next-card {
  display: block;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  background: rgba(10, 26, 47, .62);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .next-card:hover,
.page-products .next-card:focus-visible {
  border-color: rgba(255, 107, 44, .5);
  background: rgba(17, 50, 80, .55);
  transform: translateY(-3px);
}

.page-products .next-kicker {
  display: block;
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .next-title {
  display: block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
}

.page-products .next-desc {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate-400);
}

.page-products .next-foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-products .next-foot a {
  color: var(--amber-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 结尾纹理 ---------- */
.page-products .texture-strip {
  margin: 0;
  height: 180px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  position: relative;
}

.page-products .texture-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .28;
  filter: grayscale(1) contrast(1.15);
}

.page-products .texture-strip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 26, .35), rgba(5, 13, 26, .92));
  pointer-events: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .version-choose {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-products .snap-grid {
    gap: 1px;
  }
}

@media (min-width: 820px) {
  .page-products .reg-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .page-products .prod-hero {
    padding: 104px 0 76px;
  }

  .page-products .hero-split {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
    align-items: start;
    margin-top: 34px;
  }

  .page-products .device-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .page-products .version-mirror {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-products .merge-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 52px;
    align-items: center;
  }

  .page-products .tier-foot {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}

@media (min-width: 1200px) {
  .page-products .version-col {
    padding: 34px 32px 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .step-item,
  .page-products .next-card,
  .page-products .tier-table tbody tr {
    transition: none;
  }

  .page-products .next-card:hover,
  .page-products .next-card:focus-visible {
    transform: none;
  }
}