
.np-sch {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 26px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--np-line, #e3e8f5);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 1px 2px rgba(16, 36, 80, .04), 0 18px 44px -30px rgba(16, 36, 80, .45);
}

.np-sch__stage {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  background: var(--np-soft, #f6f8ff);
  overflow: hidden;
}
.np-sch__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transform: scale(1.015);
  transition: opacity .38s ease, transform .38s ease;
}
.np-sch__img.is-on { opacity: 1; transform: none; }

.np-dot {
  position: absolute;
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
  border: 0;
  padding: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 2px 10px rgba(16, 36, 80, .28);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform .2s cubic-bezier(.34, 1.4, .5, 1), background .2s;
  -webkit-tap-highlight-color: transparent;
}
.np-dot i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--np-accent, #1e6aff);
  transition: transform .2s, background .2s;
}
.np-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--np-accent, #1e6aff);
  opacity: 0;
  animation: npDot 3.4s ease-out infinite;
}
.np-dot:nth-of-type(2)::after { animation-delay: .55s; }
.np-dot:nth-of-type(3)::after { animation-delay: 1.1s; }
.np-dot:nth-of-type(4)::after { animation-delay: 1.65s; }
.np-dot:nth-of-type(5)::after { animation-delay: 2.2s; }
@keyframes npDot {
  0%       { transform: scale(.7); opacity: 0 }
  22%      { opacity: .55 }
  60%, 100%{ transform: scale(1.7); opacity: 0 }
}
.np-dot:hover { transform: scale(1.14); }
.np-dot.is-on { background: var(--np-accent, #1e6aff); transform: scale(1.14); }
.np-dot.is-on i { background: #fff; transform: scale(1.1); }
.np-dot.is-on::after { animation: none; opacity: 0; }
.np-dot:focus-visible { outline: 3px solid rgba(30, 106, 255, .45); outline-offset: 3px; }

.np-sch__tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.np-sch__tab {
  border: 1.5px solid var(--np-line, #e3e8f5);
  background: #fff;
  color: var(--np-head, #1a2c51);
  border-radius: 999px;
  padding: 10px 17px;
  font: 600 14.5px/1 'Open Sans', 'Open Sans Fallback', system-ui, sans-serif;
  cursor: pointer;
  min-height: 42px;
  transition: background .18s, border-color .18s, color .18s, transform .12s;
}
.np-sch__tab:hover { border-color: var(--np-accent, #1e6aff); }
.np-sch__tab:active { transform: scale(.97); }
.np-sch__tab.is-on {
  background: var(--np-accent, #1e6aff);
  border-color: var(--np-accent, #1e6aff);
  color: #fff;
}

.np-sch__txt { display: none; }
.np-sch__txt.is-on { display: block; animation: npTxt .34s cubic-bezier(.22, .61, .36, 1); }
@keyframes npTxt { from { opacity: 0; transform: translateY(9px) } to { opacity: 1; transform: none } }
.np-sch__txt h4 {
  margin: 0 0 8px;
  font: 700 18px/1.3 'Open Sans', 'Open Sans Fallback', system-ui, sans-serif;
  color: var(--np-head, #1a2c51);
}
.np-sch__txt p { margin: 0 0 10px; font-size: 15px; line-height: 1.6; }
.np-sch__txt p:last-child { margin-bottom: 0; }
.np-sch__txt em {
  display: block;
  font-style: normal;
  font-size: 14px;
  line-height: 1.5;
  color: var(--np-note, #7C88AE);
}

.np-key {
  margin-top: 18px;
  border-left: 3px solid var(--np-accent, #1e6aff);
  padding: 2px 0 2px 16px;
  font: 700 17px/1.4 'Open Sans', 'Open Sans Fallback', system-ui, sans-serif;
  color: var(--np-head, #1a2c51);
}

@media (max-width: 900px) {
  .np-sch { grid-template-columns: 1fr; gap: 18px; padding: 16px; }
  .np-sch__stage { order: -1; }
  .np-sch__txt h4 { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  .np-sch__img { transition: none; transform: none; }
  .np-dot, .np-dot i { transition: none; }
  .np-dot::after { animation: none; opacity: 0; }
  .np-sch__txt.is-on { animation: none; }
}
