.kn-highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: -54px;
  position: relative;
  z-index: 5;
}

.kn-highlight {
  background: var(--kn-white);
  border: 1px solid var(--kn-line);
  border-radius: var(--kn-r-lg);
  padding: 24px 24px 22px;
  box-shadow: var(--kn-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.kn-highlight:hover { transform: translateY(-6px); box-shadow: var(--kn-shadow-lg); }

.kn-highlight-label {
  display: block;
  font-size: 0.82rem;
  color: var(--kn-muted);
  margin-bottom: 8px;
}

.kn-highlight strong {
  font-size: 1.36rem;
  font-weight: 800;
  color: var(--kn-green-dark);
  letter-spacing: -0.03em;
}

.kn-sim {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 34px;
  align-items: stretch;
}

.kn-sim-controls {
  background: var(--kn-white);
  border: 1px solid var(--kn-line);
  border-radius: var(--kn-r-lg);
  padding: 36px 34px;
  box-shadow: var(--kn-shadow);
}

.kn-sim-field + .kn-sim-field { margin-top: 34px; }

.kn-sim-field-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.kn-sim-field-top label { font-size: 0.95rem; font-weight: 700; color: var(--kn-ink); }

.kn-sim-out {
  font-size: 1.24rem;
  font-weight: 800;
  color: var(--kn-green);
  letter-spacing: -0.02em;
}

.kn-sim input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 100px;
  background: linear-gradient(90deg, #35d15c 0%, #16a34a 100%);
  outline: none;
  cursor: pointer;
}

.kn-sim input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--kn-white);
  border: 5px solid var(--kn-green);
  box-shadow: 0 6px 16px rgba(22, 163, 74, 0.35);
  transition: transform 0.2s ease;
}

.kn-sim input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.1); }

.kn-sim input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--kn-white);
  border: 5px solid var(--kn-green);
  box-shadow: 0 6px 16px rgba(22, 163, 74, 0.35);
}

.kn-sim-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.79rem;
  color: var(--kn-muted);
  margin-top: 10px;
}

.kn-sim-note {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px dashed var(--kn-line);
  font-size: 0.87rem;
  color: var(--kn-muted);
  line-height: 1.65;
}

.kn-sim-note svg { width: 20px; height: 20px; stroke: var(--kn-green); margin-top: 3px; }

.kn-sim-result {
  background: var(--kn-grad);
  border-radius: var(--kn-r-lg);
  padding: 36px 32px;
  color: var(--kn-white);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 44px rgba(11, 122, 52, 0.28);
}

.kn-sim-result::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.kn-sim-result-main { position: relative; z-index: 2; padding-bottom: 24px; }

.kn-sim-result-main span {
  display: block;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 6px;
}

.kn-sim-result-main strong {
  font-size: clamp(1.6rem, 3vw, 2.05rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.kn-sim-rows {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  padding-top: 8px;
}

.kn-sim-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.kn-sim-row span { color: rgba(255, 255, 255, 0.82); }

.kn-sim-row b { font-weight: 700; }

.kn-sim-row-total { border-bottom: none; }

.kn-sim-row-total b { font-size: 1.1rem; color: var(--kn-lime); }

.kn-sim-cta {
  position: relative;
  z-index: 2;
  margin-top: auto;
  background: var(--kn-white);
  color: var(--kn-green-dark);
  box-shadow: 0 12px 26px rgba(4, 40, 18, 0.2);
}

.kn-example-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 60px;
  align-items: center;
}

.kn-example-lead { margin: 16px 0 28px; font-size: 1.02rem; }

.kn-calc-list {
  background: var(--kn-white);
  border: 1px solid var(--kn-line);
  border-radius: var(--kn-r-lg);
  padding: 10px 28px;
  box-shadow: var(--kn-shadow);
}

.kn-calc-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 20px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--kn-line);
}

.kn-calc-item:last-child { border-bottom: none; }

.kn-calc-name {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--kn-ink);
  grid-column: 1;
}

.kn-calc-formula {
  grid-column: 1;
  grid-row: 2;
  font-size: 0.82rem;
  color: var(--kn-muted);
  font-variant-numeric: tabular-nums;
}

.kn-calc-value {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--kn-green-dark);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.kn-calc-item-total {
  background: var(--kn-mint);
  border-radius: var(--kn-r);
  padding: 18px 20px;
  margin: 10px -14px 14px;
  border-bottom: none;
}

.kn-calc-item-total .kn-calc-value { font-size: 1.24rem; color: var(--kn-green); }

.kn-example-foot { margin-top: 26px; font-size: 0.94rem; }

.kn-example-visual { display: flex; justify-content: center; }

.kn-example-visual img {
  width: 100%;
  max-width: 320px;
  border-radius: var(--kn-r-xl);
  box-shadow: var(--kn-shadow-lg);
}

.kn-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.kn-guide {
  background: var(--kn-white);
  border: 1px solid var(--kn-line);
  border-radius: var(--kn-r-lg);
  padding: 34px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.kn-guide:hover {
  transform: translateY(-6px);
  border-color: #cfeadb;
  box-shadow: var(--kn-shadow-lg);
}

.kn-guide-ico {
  width: 54px;
  height: 54px;
  border-radius: 17px;
  background: var(--kn-grad-soft);
  border: 1px solid #dcf0e4;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}

.kn-guide-ico svg { width: 25px; height: 25px; stroke: var(--kn-green); }

.kn-guide h3 { font-size: 1.1rem; margin-bottom: 10px; }

.kn-guide p { font-size: 0.94rem; }

@media (max-width: 1080px) {
  .kn-highlight-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .kn-sim,
  .kn-example-layout { grid-template-columns: 1fr; gap: 30px; }
  .kn-guide-grid { grid-template-columns: 1fr; }
  .kn-example-visual { order: -1; }
}

@media (max-width: 560px) {
  .kn-highlight-grid { grid-template-columns: 1fr; margin-top: -40px; }
  .kn-sim-controls { padding: 26px 22px; }
  .kn-sim-result { padding: 28px 24px; }
  .kn-calc-list { padding: 6px 20px; }
  .kn-calc-item { grid-template-columns: 1fr; }
  .kn-calc-value { grid-column: 1; grid-row: 3; margin-top: 6px; }
  .kn-calc-item-total { margin: 10px -8px 12px; padding: 16px 14px; }
}