.cube-page {
  --cube-bg: #eef0f2;
  --cube-bg-soft: #f7f8f9;
  --cube-card: #ffffff;
  --cube-ink: #374151;
  --cube-ink-soft: #6b7280;
  --cube-line: #d7dde3;
  --cube-line-strong: #c7d0d9;
  --cube-green-1: #7cb572;
  --cube-green-2: #5fa564;
  --cube-green-3: #ecf7eb;
  --cube-green-4: #d5eed3;
  --cube-shadow: 0 18px 40px rgba(68, 85, 99, 0.08);
  --cube-shadow-soft: 0 8px 22px rgba(68, 85, 99, 0.06);
  color: var(--cube-ink);
}

.cube-page,
.cube-page * {
  box-sizing: border-box;
}

.cube-wrap {
  display: grid;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--cube-line);
  border-radius: 28px;
  background: linear-gradient(180deg, #f6f7f8 0%, #eff2f4 100%);
  box-shadow: var(--cube-shadow);
}

.cube-hero {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.cube-hero-mark,
.cube-shell-logo {
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, var(--cube-green-1) 0%, var(--cube-green-2) 100%);
  box-shadow: 0 10px 20px rgba(95, 165, 100, 0.24);
}

.cube-hero-mark {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  font-size: 2rem;
}

.cube-hero-copy h1,
.cube-shell-title h2,
.cube-result-head h2,
.cube-content-head h2,
.cube-small-card h2 {
  margin: 0;
  color: #3f4854;
  letter-spacing: -0.03em;
}

.cube-hero-copy h1 {
  font-size: clamp(1.7rem, 3.3vw, 2.55rem);
  line-height: 1.05;
}

.cube-hero-copy p,
.cube-shell-title p,
.cube-content-head p,
.cube-small-card p,
.cube-formula-card p,
.cube-use-card p,
.cube-reference-list,
.cube-faq-item p,
.cube-note-panel li,
.cube-note-list,
.cube-step-list,
.cube-table,
.cube-related-grid p,
.cube-result-row,
.cube-select-wrap,
.cube-alert,
.cube-label-note {
  color: var(--cube-ink-soft);
}

.cube-hero-copy p {
  margin: 6px 0 0;
  max-width: 760px;
  font-size: 0.96rem;
  line-height: 1.55;
}

.cube-badges,
.cube-quick-links,
.cube-examples,
.cube-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cube-grid,
.cube-trust-grid,
.cube-info-grid,
.cube-use-grid,
.cube-formula-grid,
.cube-related-grid {
  display: grid;
  gap: 14px;
}

.cube-badges {
  margin-top: 12px;
}

.cube-page,
.cube-wrap,
.cube-hero,
.cube-hero-copy,
.cube-shell,
.cube-result-card,
.cube-content-card,
.cube-shell-head,
.cube-shell-title,
.cube-shell-body,
.cube-workbench,
.cube-advanced-row,
.cube-result-tabs,
.cube-result-panel,
.cube-grid,
.cube-trust-grid,
.cube-info-grid,
.cube-use-grid,
.cube-formula-grid,
.cube-related-grid {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.cube-badge,
.cube-quick-links a,
.cube-example-pill,
.cube-result-tabs button {
  flex: 0 0 auto;
}

.cube-badge,
.cube-quick-links a,
.cube-example-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--cube-line);
  background: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  color: #4b5563;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--cube-shadow-soft);
}

.cube-shell,
.cube-result-card,
.cube-content-card {
  border: 1px solid var(--cube-line);
  border-radius: 22px;
  background: var(--cube-card);
  box-shadow: var(--cube-shadow-soft);
}

.cube-shell-head,
.cube-shell-body,
.cube-result-head,
.cube-result-panel,
.cube-content-card,
.cube-step-list-wrap {
  padding: 16px;
}

.cube-shell-head,
.cube-result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--cube-line);
}

.cube-shell-title {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.cube-shell-logo {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  font-size: 1.45rem;
  flex: 0 0 46px;
}

.cube-shell-title h2,
.cube-result-head h2,
.cube-content-head h2,
.cube-small-card h2 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.15;
}

.cube-shell-title p {
  margin: 4px 0 0;
  font-size: 0.9rem;
  line-height: 1.45;
}

.cube-mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  font-weight: 800;
  font-size: 0.92rem;
  color: #586272;
}

.cube-mode-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.cube-mode-toggle > span:last-child {
  position: relative;
  display: inline-flex;
}

.cube-mode-slider {
  display: inline-flex;
  width: 52px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid #a7cfa2;
  background: linear-gradient(180deg, #dbeed7 0%, #cfe7cb 100%);
  position: relative;
}

.cube-mode-slider::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 5px 10px rgba(90, 102, 114, 0.14);
  transition: transform .18s ease;
}

.cube-mode-toggle input:checked + .cube-mode-slider {
  background: linear-gradient(180deg, var(--cube-green-1) 0%, var(--cube-green-2) 100%);
  border-color: var(--cube-green-2);
}

.cube-mode-toggle input:checked + .cube-mode-slider::after {
  transform: translateX(22px);
}

.cube-topline {
  margin-bottom: 14px;
}

.cube-label {
  display: block;
  font-size: 0.96rem;
  font-weight: 800;
  color: #4b5563;
}

.cube-label-note {
  margin-top: 4px;
  font-size: 0.84rem;
}

.cube-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.cube-io-card {
  min-width: 0;
  border: 1px solid var(--cube-line);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #fafcfd 100%);
}

.cube-io-caption {
  padding: 10px 12px 6px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #6b7280;
}

.cube-io-control {
  padding: 0 12px 12px;
}

.cube-io-control input,
.cube-select-wrap select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--cube-line-strong);
  border-radius: 12px;
  background: #fff;
  color: #374151;
  font: inherit;
  outline: none;
}

.cube-io-control input {
  padding: 12px 14px;
  font-size: 1rem;
  font-weight: 800;
}

.cube-io-control input:focus,
.cube-select-wrap select:focus {
  border-color: var(--cube-green-2);
  box-shadow: 0 0 0 4px rgba(95, 165, 100, 0.12);
}

.cube-output {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 2px 2px;
  font-size: 1.7rem;
  line-height: 1;
  font-weight: 800;
  color: #5a8d5f;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.cube-swap {
  width: 48px;
  height: 48px;
  border: 1px solid var(--cube-line-strong);
  border-radius: 14px;
  background: #ffffff;
  color: #6b7280;
  font-size: 1.28rem;
  font-weight: 900;
  box-shadow: var(--cube-shadow-soft);
  cursor: pointer;
}

.cube-swap:hover,
.cube-swap:focus-visible,
.cube-example-pill:hover,
.cube-example-pill:focus-visible,
.cube-btn:focus-visible,
.cube-quick-links a:focus-visible,
.cube-quick-links a:hover {
  outline: none;
  transform: translateY(-1px);
}

.cube-advanced-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 12px;
  align-items: end;
  margin-top: 14px;
}

.cube-select-wrap {
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 800;
  color: #5b6573;
}

.cube-select-wrap select {
  padding: 10px 12px;
  font-weight: 700;
}

.cube-example-pill {
  appearance: none;
  cursor: pointer;
}

.cube-actions {
  margin-top: 14px;
}

.cube-btn {
  appearance: none;
  border: 1px solid transparent;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 14px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.cube-btn-main {
  min-width: 180px;
  color: #fff;
  background: linear-gradient(180deg, var(--cube-green-1) 0%, var(--cube-green-2) 100%);
  box-shadow: 0 10px 20px rgba(95, 165, 100, 0.22);
}

.cube-btn-secondary {
  color: #4b5563;
  border-color: var(--cube-line);
  background: #fff;
}

.cube-alert {
  display: none;
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid #efc6a9;
  background: #fff5ec;
  font-size: 0.92rem;
  font-weight: 700;
  color: #9a5824;
}

.cube-alert.is-visible {
  display: block;
}

.cube-result-head {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
}

.cube-result-chev {
  color: #8a93a0;
  font-size: 1.2rem;
}

.cube-result-tabs {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding: 0 16px;
  border-bottom: 1px solid var(--cube-line);
}

.cube-result-tabs button {
  appearance: none;
  border: 0;
  background: none;
  padding: 12px 4px;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  color: #8a93a0;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.cube-result-tabs button.is-active {
  color: #5b9660;
  border-bottom-color: #7cb572;
}

.cube-result-panel {
  display: grid;
  gap: 12px;
}

.cube-result-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding-bottom: 10px;
  border-bottom: 1px solid #edf1f4;
  font-size: 0.97rem;
  line-height: 1.5;
}

.cube-result-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.cube-result-main {
  font-size: 1.08rem;
  color: #4b5563;
}

.cube-check {
  color: #74b478;
  font-weight: 900;
  line-height: 1.2;
}

.cube-check-soft {
  color: #d79898;
}

.cube-step-list-wrap {
  border-top: 1px solid var(--cube-line);
  background: #fbfcfd;
}

.cube-step-list-wrap h3,
.cube-note-panel h3,
.cube-formula-card h3,
.cube-use-card h3 {
  margin: 0 0 10px;
  color: #4b5563;
  font-size: 1rem;
}

.cube-step-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  font-size: 0.94rem;
  line-height: 1.55;
}

.cube-note-list {
  display: grid;
  gap: 10px;
}

.cube-note-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 0 14px;
  font-size: 0.94rem;
  line-height: 1.5;
}

.cube-note-item > span:first-child {
  color: #74b478;
  font-weight: 900;
}

.cube-secondary-card {
  display: block;
}

.cube-grid {
  display: grid;
  gap: 14px;
}

.cube-trust-grid,
.cube-related-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cube-info-grid {
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
}

.cube-small-card h2 {
  margin-bottom: 8px;
}

.cube-content-head {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.cube-content-head p,
.cube-small-card p,
.cube-use-card p,
.cube-formula-card p,
.cube-faq-item p,
.cube-reference-list li,
.cube-ordered-list,
.cube-note-panel ul {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
}

.cube-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 0.88fr);
  gap: 16px;
}

.cube-ordered-list {
  padding-left: 20px;
}

.cube-ordered-list li + li {
  margin-top: 10px;
}

.cube-note-panel {
  padding: 16px;
  border: 1px solid var(--cube-line);
  border-radius: 18px;
  background: linear-gradient(180deg, #fbfdfb 0%, #f5faf4 100%);
}

.cube-note-panel ul {
  padding-left: 18px;
}

.cube-note-panel li + li {
  margin-top: 10px;
}

.cube-formula-grid,
.cube-use-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cube-formula-card,
.cube-use-card {
  padding: 16px;
  border: 1px solid var(--cube-line);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
}

.cube-formula {
  margin-bottom: 10px;
  font-size: 1.05rem;
  font-weight: 800;
  color: #5b9660;
}

.cube-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.cube-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.cube-table th,
.cube-table td {
  padding: 11px 12px;
  border-bottom: 1px solid #edf1f4;
  text-align: left;
  vertical-align: top;
}

.cube-table th {
  color: #4b5563;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #fafbfc;
}

.cube-table-tight {
  min-width: 520px;
}

.cube-faq-list {
  display: grid;
  gap: 10px;
}

.cube-faq-item {
  border: 1px solid var(--cube-line);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
  padding: 14px 16px;
}

.cube-faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 800;
  color: #4b5563;
}

.cube-faq-item summary::-webkit-details-marker {
  display: none;
}

.cube-faq-item p {
  margin-top: 10px;
}

.cube-inline-link,
.cube-reference-list a {
  color: #5b9660;
  font-weight: 800;
  text-decoration: none;
}

.cube-reference-list {
  padding-left: 18px;
}

.cube-reference-list li + li {
  margin-top: 10px;
}

.cube-select-inline {
  margin-left: auto;
  min-width: 155px;
}

.cube-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1100px) {
  .cube-trust-grid,
  .cube-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cube-info-grid,
  .cube-two-col,
  .cube-formula-grid,
  .cube-use-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .cube-wrap {
    padding: 12px;
    border-radius: 22px;
  }

  .cube-shell-head,
  .cube-result-head,
  .cube-shell-body,
  .cube-result-panel,
  .cube-content-card,
  .cube-step-list-wrap {
    padding: 14px;
  }

  .cube-hero {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 12px;
  }

  .cube-hero-mark {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    font-size: 1.7rem;
  }

  .cube-shell-head,
  .cube-result-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .cube-mode-toggle {
    align-self: flex-end;
  }

  .cube-advanced-row {
    grid-template-columns: 1fr;
  }

  .cube-trust-grid,
  .cube-related-grid {
    grid-template-columns: 1fr;
  }

  .cube-table {
    font-size: 0.9rem;
  }
}

@media (max-width: 540px) {
  .cube-page {
    --cube-shadow: 0 12px 30px rgba(68, 85, 99, 0.08);
    --cube-shadow-soft: 0 8px 18px rgba(68, 85, 99, 0.05);
  }

  .cube-wrap {
    padding: 10px;
  }

  .cube-badges,
  .cube-quick-links,
  .cube-examples,
  .cube-result-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .cube-badges::-webkit-scrollbar,
  .cube-quick-links::-webkit-scrollbar,
  .cube-examples::-webkit-scrollbar,
  .cube-result-tabs::-webkit-scrollbar {
    display: none;
  }

  .cube-hero-copy p,
  .cube-content-head p,
  .cube-shell-title p {
    font-size: 0.9rem;
  }

  .cube-workbench {
    grid-template-columns: minmax(0, 1fr) 40px minmax(0, 0.82fr);
    gap: 6px;
  }

  .cube-swap {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 1.05rem;
  }

  .cube-io-caption {
    padding: 8px 10px 4px;
    font-size: 0.74rem;
  }

  .cube-io-control {
    padding: 0 10px 10px;
  }

  .cube-io-control input {
    padding: 11px 10px;
    font-size: 0.96rem;
  }

  .cube-output {
    min-height: 44px;
    font-size: 1.34rem;
  }

  .cube-btn-main {
    min-width: 0;
    width: 100%;
  }

  .cube-btn-secondary {
    width: 100%;
  }

  .cube-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cube-quick-links a,
  .cube-badge,
  .cube-example-pill {
    min-height: 34px;
    padding: 7px 12px;
    font-size: 0.82rem;
  }

  .cube-result-row,
  .cube-note-item,
  .cube-step-list,
  .cube-content-head p,
  .cube-table,
  .cube-faq-item p,
  .cube-ordered-list {
    font-size: 0.9rem;
  }

  .cube-result-row {
    flex-wrap: wrap;
  }

  .cube-select-inline {
    width: 100%;
    min-width: 0;
    margin-left: 0;
  }
}