.liosun-cablecalc {
  --liosun-cablecalc-text: #171717;
  --liosun-cablecalc-muted: #666666;
  --liosun-cablecalc-line: #e7e7e7;
  --liosun-cablecalc-soft: #f7f6f3;
  --liosun-cablecalc-accent: #fc6d0b;
  --liosun-cablecalc-accent-dark: #c95706;
  --liosun-cablecalc-accent-soft: #fff0e7;
  --liosun-cablecalc-danger: #b42318;
  --liosun-cablecalc-danger-soft: #fff1f0;
  --liosun-cablecalc-success: #16843b;
  --liosun-cablecalc-success-soft: #eef8f1;
  --liosun-cablecalc-radius: 8px;
  --liosun-cablecalc-shadow: 0 18px 45px rgba(20, 20, 20, 0.06);
  color: var(--liosun-cablecalc-text);
  background: #ffffff;
  font-family: inherit;
  line-height: 1.5;
}

.liosun-cablecalc *,
.liosun-cablecalc *::before,
.liosun-cablecalc *::after {
  box-sizing: border-box;
}

.liosun-cablecalc [hidden] {
  display: none !important;
}

.liosun-cablecalc__container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 64px;
}

.liosun-cablecalc__hero {
  max-width: 920px;
  margin: 0 0 36px;
}

.liosun-cablecalc__eyebrow {
  margin: 0 0 12px;
  color: var(--liosun-cablecalc-accent-dark);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.liosun-cablecalc__title {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 0;
  color: var(--liosun-cablecalc-text);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0;
}

.liosun-cablecalc__subtitle {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--liosun-cablecalc-muted);
  font-size: 18px;
  line-height: 1.65;
}

.liosun-cablecalc__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.liosun-cablecalc__form,
.liosun-cablecalc__aside,
.liosun-cablecalc__results,
.liosun-cablecalc__seo {
  border: 1px solid var(--liosun-cablecalc-line);
  border-radius: var(--liosun-cablecalc-radius);
  background: #ffffff;
  box-shadow: var(--liosun-cablecalc-shadow);
}

.liosun-cablecalc__form,
.liosun-cablecalc__aside,
.liosun-cablecalc__results,
.liosun-cablecalc__seo {
  padding: 28px;
}

.liosun-cablecalc__aside {
  position: sticky;
  top: 24px;
}

.liosun-cablecalc__aside-kicker {
  margin: 0 0 14px;
  color: var(--liosun-cablecalc-accent-dark);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.liosun-cablecalc__aside-title {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0;
  color: var(--liosun-cablecalc-text);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.24;
}

.liosun-cablecalc__aside-text {
  margin: 18px 0 0;
  color: var(--liosun-cablecalc-muted);
  font-size: 15px;
  line-height: 1.7;
}

.liosun-cablecalc__section {
  padding: 0 0 28px;
  margin: 0 0 28px;
  border-bottom: 1px solid var(--liosun-cablecalc-line);
}

.liosun-cablecalc__section-title,
.liosun-cablecalc__result-title,
.liosun-cablecalc__seo h2 {
  margin: 0;
  color: var(--liosun-cablecalc-text);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
}

.liosun-cablecalc__section-title,
.liosun-cablecalc__result-title {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 24px;
}

.liosun-cablecalc__icon {
  flex: 0 0 auto;
  color: var(--liosun-cablecalc-accent);
  font-size: 24px;
  line-height: 1;
}

.liosun-cablecalc__title .liosun-cablecalc__icon {
  margin-top: 8px;
  font-size: 28px;
}

.liosun-cablecalc__aside-title .liosun-cablecalc__icon {
  margin-top: 2px;
}

.liosun-cablecalc__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.liosun-cablecalc__field {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.liosun-cablecalc__label {
  color: var(--liosun-cablecalc-text);
  font-size: 14px;
  font-weight: 600;
}

.liosun-cablecalc__hint {
  color: var(--liosun-cablecalc-muted);
  font-size: 13px;
  line-height: 1.55;
}

.liosun-cablecalc__control {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid var(--liosun-cablecalc-line);
  border-radius: var(--liosun-cablecalc-radius);
  background: #ffffff;
  color: var(--liosun-cablecalc-text);
  font: inherit;
  font-size: 15px;
  line-height: 1.35;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.liosun-cablecalc__control:focus {
  border-color: rgba(252, 109, 11, 0.65);
  box-shadow: 0 0 0 4px rgba(252, 109, 11, 0.11);
}

.liosun-cablecalc__advanced {
  margin: 0 0 24px;
  border: 1px solid var(--liosun-cablecalc-line);
  border-radius: var(--liosun-cablecalc-radius);
  background: var(--liosun-cablecalc-soft);
}

.liosun-cablecalc__advanced-summary {
  display: flex;
  gap: 10px;
  align-items: center;
  list-style: none;
  padding: 16px 18px;
  color: var(--liosun-cablecalc-text);
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
}

.liosun-cablecalc__advanced-summary::-webkit-details-marker {
  display: none;
}

.liosun-cablecalc__advanced-body {
  padding: 0 18px 18px;
}

.liosun-cablecalc__live,
.liosun-cablecalc__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.liosun-cablecalc__live {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

.liosun-cablecalc__live-item,
.liosun-cablecalc__metric {
  min-height: 104px;
  padding: 17px;
  border: 1px solid var(--liosun-cablecalc-line);
  border-radius: var(--liosun-cablecalc-radius);
  background: #ffffff;
}

.liosun-cablecalc__live-item span,
.liosun-cablecalc__metric span {
  display: block;
  margin: 0 0 8px;
  color: var(--liosun-cablecalc-muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
}

.liosun-cablecalc__live-item strong,
.liosun-cablecalc__metric strong {
  display: block;
  color: var(--liosun-cablecalc-text);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.15;
}

.liosun-cablecalc__actions {
  margin-top: 24px;
}

.liosun-cablecalc__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 13px 24px;
  border: 0;
  border-radius: var(--liosun-cablecalc-radius);
  background: linear-gradient(110deg, var(--liosun-cablecalc-accent) 0%, #ff9b37 45%, var(--liosun-cablecalc-accent) 100%);
  background-size: 220% 100%;
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-position 0.28s ease;
  box-shadow: 0 16px 32px rgba(252, 109, 11, 0.22);
}

.liosun-cablecalc__button-icon {
  flex: 0 0 auto;
  font-size: 18px;
  line-height: 1;
}

.liosun-cablecalc__button:hover,
.liosun-cablecalc__button:focus-visible {
  background-position: 100% 0;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(252, 109, 11, 0.28);
}

.liosun-cablecalc__button:disabled,
.liosun-cablecalc__button:disabled:hover,
.liosun-cablecalc__button:disabled:focus-visible {
  background-position: 100% 0;
  cursor: wait;
  opacity: 0.88;
  transform: none;
  box-shadow: 0 12px 26px rgba(252, 109, 11, 0.2);
}

.liosun-cablecalc__error {
  margin: 18px 0 0;
  padding: 13px 14px;
  border: 1px solid rgba(180, 35, 24, 0.2);
  border-radius: var(--liosun-cablecalc-radius);
  background: var(--liosun-cablecalc-danger-soft);
  color: var(--liosun-cablecalc-danger);
  font-size: 14px;
  font-weight: 600;
}

.liosun-cablecalc__results {
  margin-top: 24px;
}

.liosun-cablecalc__result-head {
  display: grid;
  gap: 14px;
  margin: 0 0 24px;
}

.liosun-cablecalc__result-main {
  margin: 0;
  padding: 20px;
  border: 1px solid rgba(252, 109, 11, 0.24);
  border-radius: var(--liosun-cablecalc-radius);
  background: var(--liosun-cablecalc-accent-soft);
  color: var(--liosun-cablecalc-muted);
  font-size: 16px;
  line-height: 1.5;
}

.liosun-cablecalc__result-main strong {
  display: block;
  margin-top: 4px;
  color: var(--liosun-cablecalc-text);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.05;
}

.liosun-cablecalc__table-scroll {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--liosun-cablecalc-line);
  border-radius: var(--liosun-cablecalc-radius);
}

.liosun-cablecalc__table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: #ffffff;
}

.liosun-cablecalc__table th,
.liosun-cablecalc__table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--liosun-cablecalc-line);
  text-align: left;
  vertical-align: top;
}

.liosun-cablecalc__table th {
  color: var(--liosun-cablecalc-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.liosun-cablecalc__table td {
  color: var(--liosun-cablecalc-text);
  font-size: 15px;
  font-weight: 500;
}

.liosun-cablecalc__table tr:last-child td {
  border-bottom: 0;
}

.liosun-cablecalc__table tr:hover td {
  background: var(--liosun-cablecalc-accent-soft);
}

.liosun-cablecalc__status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.liosun-cablecalc__status--ok {
  background: var(--liosun-cablecalc-success-soft);
  color: var(--liosun-cablecalc-success);
}

.liosun-cablecalc__status--bad {
  background: var(--liosun-cablecalc-danger-soft);
  color: var(--liosun-cablecalc-danger);
}

.liosun-cablecalc__status--recommended {
  background: var(--liosun-cablecalc-accent-soft);
  color: var(--liosun-cablecalc-accent-dark);
}

.liosun-cablecalc__warning {
  margin-top: 20px;
  padding: 16px;
  border-left: 3px solid var(--liosun-cablecalc-accent);
  border-radius: 0 var(--liosun-cablecalc-radius) var(--liosun-cablecalc-radius) 0;
  background: #fff8ef;
  color: var(--liosun-cablecalc-muted);
  font-size: 14px;
  line-height: 1.7;
}

.liosun-cablecalc__seo {
  margin-top: 24px;
  box-shadow: none;
}

.liosun-cablecalc__seo h2 {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 26px;
  font-size: 26px;
}

.liosun-cablecalc__seo h2:first-child {
  margin-top: 0;
}

.liosun-cablecalc__seo p {
  max-width: 920px;
  margin: 12px 0 0;
  color: var(--liosun-cablecalc-muted);
  font-size: 16px;
  line-height: 1.75;
}

.liosun-cablecalc__formula {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid rgba(252, 109, 11, 0.22);
  border-radius: var(--liosun-cablecalc-radius);
  background: var(--liosun-cablecalc-accent-soft);
}

.liosun-cablecalc__formula h3 {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 0;
  color: var(--liosun-cablecalc-text);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
}

.liosun-cablecalc__formula-code {
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(252, 109, 11, 0.2);
  border-radius: var(--liosun-cablecalc-radius);
  background: #ffffff;
  color: var(--liosun-cablecalc-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: clamp(17px, 3vw, 24px);
  font-weight: 600;
  line-height: 1.3;
}

.liosun-cablecalc__guide-table-wrap {
  margin-top: 18px;
}

.liosun-cablecalc__guide-table {
  min-width: 680px;
}

.liosun-cablecalc__faq {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.liosun-cablecalc__faq-item {
  border: 1px solid var(--liosun-cablecalc-line);
  border-radius: var(--liosun-cablecalc-radius);
  background: #ffffff;
  overflow: hidden;
}

.liosun-cablecalc__faq-item summary {
  position: relative;
  padding: 16px 48px 16px 18px;
  color: var(--liosun-cablecalc-text);
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.35;
  list-style: none;
}

.liosun-cablecalc__faq-item summary::-webkit-details-marker {
  display: none;
}

.liosun-cablecalc__faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--liosun-cablecalc-accent-soft);
  color: var(--liosun-cablecalc-accent-dark);
  font-size: 18px;
  font-weight: 700;
  line-height: 24px;
  text-align: center;
  transform: translateY(-50%);
}

.liosun-cablecalc__faq-item[open] summary::after {
  content: "−";
}

.liosun-cablecalc__faq-item p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--liosun-cablecalc-muted);
  font-size: 15px;
  line-height: 1.7;
}

@media (max-width: 980px) {
  .liosun-cablecalc__layout {
    grid-template-columns: 1fr;
  }

  .liosun-cablecalc__aside {
    position: static;
  }

  .liosun-cablecalc__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .liosun-cablecalc__container {
    width: min(100% - 24px, 1180px);
    padding: 36px 0 48px;
  }

  .liosun-cablecalc__title {
    font-size: 34px;
  }

  .liosun-cablecalc__form,
  .liosun-cablecalc__aside,
  .liosun-cablecalc__results,
  .liosun-cablecalc__seo {
    padding: 20px;
  }

  .liosun-cablecalc__grid,
  .liosun-cablecalc__live,
  .liosun-cablecalc__metrics {
    grid-template-columns: 1fr;
  }

  .liosun-cablecalc__button {
    width: 100%;
  }

  .liosun-cablecalc__section-title,
  .liosun-cablecalc__result-title {
    font-size: 21px;
  }

  .liosun-cablecalc__seo h2 {
    align-items: flex-start;
    font-size: 22px;
  }

  .liosun-cablecalc__result-main strong {
    font-size: 32px;
  }
}