.page-products {
  --pd-gold-grad: linear-gradient(135deg, #FFD36E 0%, #F5A524 100%);
  --pd-cyan-glow: 0 0 24px rgba(0, 229, 255, 0.2);
  --pd-gold-glow: 0 8px 32px rgba(245, 165, 36, 0.3);
  --pd-sync-line: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
}

.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 32px) 0 56px;
  background:
    radial-gradient(ellipse at 80% 10%, rgba(245, 165, 36, 0.16), transparent 52%),
    radial-gradient(ellipse at 8% 85%, rgba(0, 229, 255, 0.12), transparent 46%);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1.5px);
  background-size: 30px 30px;
}

.page-products .pd-hero__grid {
  position: relative;
  display: grid;
  gap: 40px;
  align-items: center;
  margin-top: 28px;
}

.page-products .pd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  text-transform: uppercase;
}

.page-products .pd-eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pd-gold-grad);
  box-shadow: 0 0 14px rgba(245, 165, 36, 0.7);
}

.page-products .pd-hero h1 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 40px;
  font-weight: 900;
  line-height: 1.12;
  color: var(--color-text);
}

.page-products .pd-hero__lead {
  margin: 20px 0 0;
  max-width: 660px;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-products .pd-switch {
  position: relative;
  margin-top: 30px;
}

.page-products .pd-switch__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-products .pd-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pd-switch__tab {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgba(29, 16, 69, 0.65);
  color: var(--color-text);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.page-products .pd-switch__tab:hover {
  border-color: var(--color-cyan);
  box-shadow: var(--pd-cyan-glow);
}

.page-products .pd-switch__input--web:checked ~ .pd-switch__tabs .pd-switch__tab--web,
.page-products .pd-switch__input--ios:checked ~ .pd-switch__tabs .pd-switch__tab--ios,
.page-products .pd-switch__input--android:checked ~ .pd-switch__tabs .pd-switch__tab--android {
  background: var(--pd-gold-grad);
  border-color: transparent;
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: var(--pd-gold-glow);
}

.page-products .pd-switch__panel {
  display: none;
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background: var(--color-card);
  box-shadow: var(--shadow-card);
}

.page-products .pd-switch__input--web:checked ~ .pd-switch__panel--web,
.page-products .pd-switch__input--ios:checked ~ .pd-switch__panel--ios,
.page-products .pd-switch__input--android:checked ~ .pd-switch__panel--android {
  display: block;
  animation: pd-panel-in 0.3s ease;
}

@keyframes pd-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .pd-panel-ver {
  margin: 0;
  font-family: var(--font-headline);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-text);
}

.page-products .pd-panel-desc {
  margin: 8px 0 0;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-muted);
}

.page-products .pd-panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-products .pd-panel-qr {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
}

.page-products .pd-qr {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  width: 92px;
  height: 92px;
  border-radius: 14px;
  background-color: var(--color-text);
  background-image:
    radial-gradient(circle at 12px 12px, var(--color-primary) 2px, transparent 2.5px),
    radial-gradient(circle at 34px 18px, var(--color-primary) 2px, transparent 2.5px),
    radial-gradient(circle at 20px 42px, var(--color-primary) 2px, transparent 2.5px),
    radial-gradient(circle at 48px 36px, var(--color-primary) 2px, transparent 2.5px),
    radial-gradient(circle at 30px 68px, var(--color-primary) 2px, transparent 2.5px),
    radial-gradient(circle at 64px 58px, var(--color-primary) 2px, transparent 2.5px),
    radial-gradient(circle at 52px 80px, var(--color-primary) 2px, transparent 2.5px);
  background-size: 76px 76px;
  background-position: 8px 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.page-products .pd-qr::before,
.page-products .pd-qr::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 4px solid var(--color-primary);
}

.page-products .pd-qr::before {
  top: 8px;
  left: 8px;
}

.page-products .pd-qr::after {
  bottom: 8px;
  right: 8px;
}

.page-products .pd-panel-qr__text {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-products .pd-dl-note {
  margin-top: 18px;
  padding: 14px 18px;
  border: 1px solid rgba(77, 255, 195, 0.25);
  border-radius: var(--radius-m);
  background: rgba(77, 255, 195, 0.06);
}

.page-products .pd-dl-note p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-muted);
}

.page-products .pd-hero__deco {
  margin: 26px 0 0;
  max-width: 560px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .pd-hero__deco img,
.page-products .pd-appicon img,
.page-products .pd-version-visual img,
.page-products .pd-version-platform img,
.page-products .pd-sync__img img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-products .pd-hero__right {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 36px 20px 32px;
  border: 1px solid rgba(58, 45, 107, 0.85);
  border-radius: var(--radius-l);
  background: linear-gradient(165deg, rgba(29, 16, 69, 0.92), rgba(33, 26, 74, 0.68));
  text-align: center;
}

.page-products .pd-appicon {
  position: relative;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}

.page-products .pd-appicon::before {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 36px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.24), transparent 64%);
  z-index: -1;
}

.page-products .pd-appicon::after {
  content: "";
  position: absolute;
  inset: -10px;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 44px;
  animation: pd-pulse 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pd-pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.04); opacity: 0.85; }
}

.page-products .pd-appicon img {
  border-radius: 32px;
  object-fit: cover;
}

.page-products .pd-hero-ver {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 18px 26px;
  border: 1px solid rgba(255, 211, 110, 0.3);
  border-radius: var(--radius-l);
  background: rgba(255, 211, 110, 0.08);
}

.page-products .pd-hero-ver__label {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-products .pd-hero-ver__num {
  font-family: var(--font-headline);
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  color: #F5A524;
  background: var(--pd-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-products .pd-hero-ver__meta {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.page-products .pd-hero-update {
  max-width: 340px;
  padding: 12px 16px;
  border-left: 3px solid var(--color-cyan);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(0, 229, 255, 0.05);
  text-align: left;
}

.page-products .pd-hero-update p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-products .pd-versions {
  padding: 72px 0;
  background: linear-gradient(180deg, rgba(29, 16, 69, 0.4), transparent 55%);
}

.page-products .pd-head {
  margin-bottom: 36px;
}

.page-products .pd-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-headline);
  font-size: 32px;
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-text);
}

.page-products .pd-head__note {
  margin: 14px 0 0;
  max-width: 680px;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-products .pd-version-track {
  display: grid;
  gap: 16px;
}

.page-products .pd-version-card {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background: var(--color-card);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.page-products .pd-version-card[open] {
  border-color: rgba(255, 211, 110, 0.5);
  box-shadow: 0 0 28px rgba(245, 165, 36, 0.12);
}

.page-products .pd-version-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pd-version-summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-cyan);
  transition: transform var(--transition-fast);
}

.page-products .pd-version-card[open] .pd-version-summary::after {
  content: "−";
}

.page-products .pd-version-num {
  min-width: 56px;
  font-family: var(--font-headline);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  color: #F5A524;
  background: var(--pd-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-products .pd-version-title {
  flex: 1;
  font-weight: 700;
  font-size: var(--text-base);
  line-height: 1.3;
  color: var(--color-text);
}

.page-products .pd-version-tag {
  font-size: var(--text-xs);
}

.page-products .pd-version-list {
  margin: 0;
  padding: 0 20px 20px;
  list-style: none;
}

.page-products .pd-version-list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-muted);
}

.page-products .pd-version-list li + li {
  margin-top: 8px;
}

.page-products .pd-version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.7);
}

.page-products .pd-version-visual,
.page-products .pd-version-platform {
  margin: 26px 0 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  overflow: hidden;
}

.page-products .pd-version-visual img {
  object-fit: cover;
}

.page-products .pd-version-platform {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.page-products .pd-version-platform img {
  object-fit: cover;
}

.page-products .pd-version-more {
  margin: 26px 0 0;
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.page-products .pd-version-more a,
.page-products .pd-guide__note a,
.page-products .pd-features__more a {
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-products .pd-version-more a:hover,
.page-products .pd-guide__note a:hover,
.page-products .pd-features__more a:hover {
  color: var(--color-gold-start);
  border-color: rgba(255, 211, 110, 0.6);
}

.page-products .pd-sync {
  padding: 72px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(29, 16, 69, 0.45);
}

.page-products .pd-sync__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-products .pd-sync__media {
  position: relative;
}

.page-products .pd-sync__img {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(33, 26, 74, 0.7), rgba(29, 16, 69, 0.5));
}

.page-products .pd-sync__img img {
  object-fit: cover;
}

.page-products .pd-sync__media::after {
  content: "";
  position: absolute;
  left: 14%;
  right: 14%;
  bottom: 34%;
  height: 2px;
  background: var(--pd-sync-line);
  opacity: 0.85;
  animation: pd-flow 3.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pd-flow {
  0%, 100% { transform: scaleX(0.45); opacity: 0.2; }
  50% { transform: scaleX(1); opacity: 0.9; }
}

.page-products .pd-sync__stat {
  position: absolute;
  right: 12px;
  bottom: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: var(--pd-gold-grad);
  color: var(--color-primary);
  box-shadow: var(--pd-gold-glow);
}

.page-products .pd-sync__stat-num {
  font-family: var(--font-headline);
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
}

.page-products .pd-sync__stat-label {
  margin-top: 4px;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-products .pd-sync__content h2 {
  margin: 10px 0 0;
  font-family: var(--font-headline);
  font-size: 32px;
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-text);
}

.page-products .pd-sync__lead {
  margin: 18px 0 0;
  font-size: var(--text-base);
  line-height: 1.72;
  color: var(--color-text-muted);
}

.page-products .pd-sync__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-sync__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
}

.page-products .pd-sync__list li + li {
  margin-top: 12px;
}

.page-products .pd-sync__li-icon {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(77, 255, 195, 0.16);
  border: 1px solid var(--color-success);
  position: relative;
}

.page-products .pd-sync__li-icon::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 5px;
  width: 5px;
  height: 3px;
  border-left: 1.5px solid var(--color-success);
  border-bottom: 1.5px solid var(--color-success);
  transform: rotate(-42deg);
}

.page-products .pd-sync__links {
  margin-top: 28px;
}

.page-products .pd-guide {
  padding: 72px 0;
  background: radial-gradient(ellipse at 85% 15%, rgba(245, 165, 36, 0.1), transparent 52%);
}

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

.page-products .pd-steps {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-products .pd-step {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  background: rgba(29, 16, 69, 0.55);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.page-products .pd-step:hover {
  border-color: rgba(0, 229, 255, 0.45);
  box-shadow: var(--pd-cyan-glow);
}

.page-products .pd-step__num {
  font-family: var(--font-headline);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  color: #F5A524;
  background: var(--pd-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-products .pd-step__content h3 {
  margin: 2px 0 8px;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}

.page-products .pd-step__content p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-muted);
}

.page-products .pd-guide__note {
  margin: 28px 0 0;
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.page-products .pd-features {
  padding: 72px 0;
}

.page-products .pd-feature-grid {
  display: grid;
  gap: 18px;
}

.page-products .pd-feature {
  position: relative;
  padding: 26px 24px;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.page-products .pd-feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: var(--pd-gold-grad);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.page-products .pd-feature:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 26px rgba(0, 229, 255, 0.08);
}

.page-products .pd-feature:hover::before {
  opacity: 1;
}

.page-products .pd-feature__box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border: 1px solid rgba(0, 229, 255, 0.32);
  border-radius: 16px;
  background: rgba(0, 229, 255, 0.1);
  color: var(--color-cyan);
}

.page-products .pd-feature__icon {
  width: 26px;
  height: 26px;
}

.page-products .pd-feature__title {
  margin: 0;
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-text);
}

.page-products .pd-feature__text {
  margin: 10px 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-products .pd-features__more {
  margin: 34px 0 0;
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .page-products .pd-version-track {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pd-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 768px) {
  .page-products .pd-hero h1 {
    font-size: 52px;
  }

  .page-products .pd-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }

  .page-products .pd-sync__grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .page-products .pd-sync__media {
    order: 0;
  }

  .page-products .pd-versions,
  .page-products .pd-sync,
  .page-products .pd-guide,
  .page-products .pd-features {
    padding: 88px 0;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-version-track {
    grid-template-columns: repeat(4, 1fr);
    position: relative;
  }

  .page-products .pd-version-card::after {
    content: "";
    position: absolute;
    top: 36px;
    right: -11px;
    z-index: 2;
    width: 12px;
    height: 12px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    background: var(--pd-gold-grad);
    box-shadow: 0 0 10px rgba(245, 165, 36, 0.6);
  }

  .page-products .pd-version-card:last-child::after {
    display: none;
  }

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

  .page-products .pd-head h2 {
    font-size: 42px;
  }

  .page-products .pd-sync__content h2 {
    font-size: 42px;
  }
}