.yuqi-professional-tools-page {
  --professional-ink: #102231;
  --professional-muted: #5f7180;
  --professional-line: #d9e1e6;
  --professional-soft: #f4f7f8;
  --professional-accent: #087f6d;
  --professional-accent-dark: #056253;
  background: #fff;
}

.yuqi-professional-tools-page,
.yuqi-professional-tools-page *,
.yuqi-professional-tools-page *::before,
.yuqi-professional-tools-page *::after {
  box-sizing: border-box;
}

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

.professional-tools-app {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
  background: #fff;
}

.professional-tools-main {
  min-width: 0;
}

.professional-tools-sidebar {
  display: block;
  min-width: 0;
  min-height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  background: #171717;
  color: #b9b9b9;
}

.professional-tools-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 32px 24px 28px;
  border-bottom: 1px solid #303030;
  color: #4caf50;
  text-decoration: none;
}

.professional-tools-sidebar-brand strong {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
}

.professional-tools-sidebar-mark,
.professional-tools-sidebar-icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  align-items: center;
  justify-content: center;
  color: currentColor;
  line-height: 1;
}

.professional-tools-sidebar-icon {
  width: 17px;
  height: 17px;
  flex-basis: 17px;
  opacity: .9;
}

.professional-tools-sidebar-mark .yuqi-tools-icon,
.professional-tools-sidebar-icon .yuqi-tools-icon {
  width: 100%;
  height: 100%;
}

.professional-tools-sidebar-toggle {
  display: none;
  align-items: center;
  justify-content: space-between;
  width: calc(100% - 32px);
  margin: 12px 16px 0;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.16);
  background: transparent;
  color: #d9e7e8;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  line-height: 1.4;
  text-align: left;
}

.professional-tools-sidebar-toggle > span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.professional-tools-sidebar-toggle .yuqi-tools-icon {
  width: 16px;
  height: 16px;
  color: #4caf50;
}

.professional-tools-sidebar-toggle [data-professional-sidebar-marker] {
  color: #9ce4dc;
  font-size: 18px;
  line-height: 1;
}

.professional-tools-sidebar-nav {
  padding: 20px 0 32px;
}

.professional-tools-sidebar-home,
.professional-tools-sidebar-category,
.professional-tools-sidebar-tool,
.professional-tools-sidebar-common {
  display: block;
  color: #b9b9b9;
  text-decoration: none;
  transition: background-color .15s ease, color .15s ease;
}

.professional-tools-sidebar-home,
.professional-tools-sidebar-category {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 24px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.45;
  text-align: left;
}

.professional-tools-sidebar-category-marker {
  margin-left: auto;
  color: #7d8f8d;
  font-size: 15px;
  line-height: 1;
}

.professional-tools-sidebar-home:hover,
.professional-tools-sidebar-home:focus-visible,
.professional-tools-sidebar-category:hover,
.professional-tools-sidebar-category:focus-visible,
.professional-tools-sidebar-category.is-current {
  background: #242424;
  color: #4caf50;
}

.professional-tools-sidebar-home.is-current {
  color: #fff;
}

.professional-tools-sidebar-tools {
  padding: 10px 0 12px;
  border-top: 1px solid #303030;
  border-bottom: 1px solid #303030;
  background: #242424;
}

.professional-tools-sidebar-tools[hidden] {
  display: none;
}

.professional-tools-sidebar-tool {
  padding: 7px 20px 7px 32px;
  color: #b9b9b9;
  font-size: 14px;
  line-height: 1.45;
}

.professional-tools-sidebar-tool:hover,
.professional-tools-sidebar-tool:focus-visible,
.professional-tools-sidebar-tool[aria-current="page"] {
  color: #4caf50;
}

.professional-tools-sidebar-common {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 16px 20px;
  padding: 11px 8px;
  border-top: 1px solid #303030;
  color: #9ce4dc;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
}

.professional-tools-sidebar-common:hover,
.professional-tools-sidebar-common:focus-visible {
  background: #242424;
  color: #fff;
}

.professional-tools-sidebar-toggle:focus-visible,
.professional-tools-sidebar-home:focus-visible,
.professional-tools-sidebar-category:focus-visible,
.professional-tools-sidebar-tool:focus-visible,
.professional-tools-sidebar-common:focus-visible {
  outline: 2px solid #4caf50;
  outline-offset: -2px;
}

.professional-tools-shell {
  width: min(1520px, calc(100% - 48px));
  margin: 0 auto;
  padding: 48px 0 72px;
  color: var(--professional-ink);
}

.professional-tools-hero {
  max-width: 940px;
  margin-bottom: 34px;
}

.professional-tools-eyebrow,
.professional-tool-heading > p {
  margin: 0 0 8px;
  color: var(--professional-accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.professional-tools-hero h1,
.professional-tool-heading h1 {
  margin: 0;
  color: var(--professional-ink);
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.12;
}

.professional-tools-hero > p:not(.professional-tools-eyebrow),
.professional-tool-heading > p:last-child {
  margin: 14px 0 0;
  color: var(--professional-muted);
  font-size: 17px;
  line-height: 1.75;
}

.professional-tools-search {
  display: block;
  margin-top: 26px;
  font-size: 14px;
  font-weight: 800;
}

.professional-tools-search input {
  display: block;
  width: 100%;
  min-height: 44px;
  margin-top: 8px;
  padding: 13px 15px;
  border: 1px solid #bdc9d0;
  border-radius: 4px;
  background: #fff;
  color: var(--professional-ink);
  font: inherit;
}

.professional-tools-search input::placeholder {
  color: #687b87;
  opacity: 1;
}

.professional-tools-sections {
  display: grid;
  gap: 30px;
}

.professional-tools-section-heading {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
  padding-bottom: 9px;
  border-bottom: 2px solid var(--professional-ink);
}

.professional-tools-section-heading h2 {
  margin: 0;
  color: #111;
  font-size: 19px;
  font-weight: 900;
}

.professional-tools-section-heading span {
  color: var(--professional-muted);
  font-size: 12px;
}

.professional-tools-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.professional-tool-card {
  display: grid;
  align-content: start;
  min-height: 132px;
  padding: 15px 16px;
  border: 1px solid var(--professional-line);
  border-radius: 4px;
  background: #fff;
  color: inherit;
  text-decoration: none;
  transition: border-color .15s ease, background-color .15s ease;
}

.professional-tool-card:hover,
.professional-tool-card:focus-visible {
  border-color: var(--professional-accent);
  background: #f7fbfa;
}

.professional-tools-section[hidden],
.professional-tools-empty[hidden],
.professional-tool-results[hidden] {
  display: none !important;
}

.professional-tool-card small {
  color: var(--professional-accent);
  font-size: 11px;
  font-weight: 800;
}

.professional-tool-card strong {
  margin-top: 7px;
  color: #111;
  font-size: 15px;
  font-weight: 850;
  line-height: 1.4;
}

.professional-tool-card span {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 7px;
  color: var(--professional-muted);
  font-size: 12px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.professional-tools-planned,
.professional-tools-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 13px 15px;
  border: 1px dashed var(--professional-line);
  color: var(--professional-muted);
  font-size: 13px;
}

.professional-tools-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--professional-muted);
  font-size: 13px;
}

.professional-tools-breadcrumb a {
  color: var(--professional-accent);
}

.professional-tool-heading {
  max-width: 1000px;
  margin-bottom: 32px;
}

.professional-tool-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: start;
}

.professional-tool-calculator,
.professional-tool-results,
.professional-tool-notes > div {
  border: 1px solid var(--professional-line);
  border-radius: 5px;
  background: #fff;
}

.professional-tool-calculator,
.professional-tool-results {
  min-width: 0;
  padding: 24px;
}

.professional-tool-calculator h2,
.professional-tool-results h2,
.professional-tool-notes h2 {
  margin: 0;
  color: #111;
  font-size: 18px;
  font-weight: 900;
}

.professional-tool-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.professional-tool-field {
  display: grid;
  gap: 7px;
  color: var(--professional-ink);
  font-size: 14px;
  font-weight: 750;
}

.professional-tool-field small {
  color: var(--professional-muted);
  font-size: 11px;
  font-weight: 600;
}

.professional-tool-field input,
.professional-tool-field select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #bcc9d0;
  border-radius: 3px;
  background: #fff;
  color: #111;
  font: inherit;
  font-weight: 500;
}

.professional-tool-field input[type="checkbox"] {
  width: 1.25rem;
  min-height: 1.25rem;
  margin: 2px 0 0;
  padding: 0;
  accent-color: var(--professional-accent);
  cursor: pointer;
}

.professional-tool-field input:focus,
.professional-tool-field select:focus,
.professional-tools-search input:focus {
  border-color: var(--professional-accent);
  outline: 2px solid rgba(8, 127, 109, .14);
  outline-offset: 1px;
}

.professional-tool-field input[aria-invalid="true"],
.professional-tool-field select[aria-invalid="true"] {
  border-color: #b42318;
}

.professional-tool-card:focus-visible,
.professional-tools-search input:focus-visible,
.professional-tool-field input:focus-visible,
.professional-tool-field select:focus-visible,
.professional-tool-actions button:focus-visible,
.professional-tool-results-heading button:focus-visible,
.professional-result-metric:focus-visible,
.professional-result-table-scroll:focus-visible,
.professional-result-table td button:focus-visible {
  outline: 3px solid rgba(8, 127, 109, .38);
  outline-offset: 2px;
}

.professional-tool-checkbox-control {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.professional-tool-checkbox-control input[type="checkbox"] {
  flex: 0 0 auto;
  width: 20px;
  min-height: 20px;
  margin: 0;
  padding: 0;
  accent-color: var(--professional-accent);
}

.professional-tool-checkbox-control > span {
  font-weight: 600;
}

.professional-tool-field em {
  display: block;
  min-height: 16px;
  color: #b42318;
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
}

.professional-tool-actions,
.professional-tool-results-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 22px;
}

.professional-tool-actions {
  justify-content: flex-start;
}

.professional-tool-actions button,
.professional-tool-results-heading button {
  min-height: 40px;
  padding: 9px 16px;
  border: 1px solid var(--professional-accent);
  border-radius: 3px;
  background: var(--professional-accent);
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.professional-tool-actions button:hover,
.professional-tool-results-heading button:hover,
.professional-result-metric:hover {
  border-color: var(--professional-accent-dark);
}

.professional-tool-actions button:active,
.professional-tool-results-heading button:active,
.professional-result-metric:active {
  transform: translateY(1px);
}

.professional-tool-actions button:disabled,
.professional-tool-results-heading button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.professional-tool-actions button[type="reset"],
.professional-tool-results-heading button {
  background: #fff;
  color: var(--professional-accent-dark);
}

.professional-tool-message {
  min-height: 20px;
  margin: 12px 0 0;
  font-size: 13px;
}

.professional-tool-message.is-error { color: #b42318; }
.professional-tool-message.is-success { color: var(--professional-accent-dark); }

.professional-result-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.professional-result-metric {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--professional-line);
  border-radius: 3px;
  background: var(--professional-soft);
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.professional-result-metric span { color: var(--professional-muted); font-size: 12px; }
.professional-result-metric strong { color: #111; font-size: 20px; overflow-wrap: anywhere; }
.professional-result-metric small { color: var(--professional-accent); font-size: 11px; }

.professional-result-table-wrap,
.professional-result-formulas {
  margin-top: 22px;
}

.professional-result-table-wrap h3,
.professional-result-formulas h3 {
  margin: 0 0 9px;
  font-size: 15px;
}

.professional-result-table-scroll { overflow-x: auto; }

.professional-result-table-scroll {
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-inline: contain;
}

.professional-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  white-space: nowrap;
}

.professional-result-table th,
.professional-result-table td {
  padding: 9px 10px;
  border: 1px solid var(--professional-line);
  text-align: left;
}

.professional-result-table th { background: var(--professional-soft); color: #111; font-weight: 850; }
.professional-result-table td button {
  display: block;
  width: 100%;
  min-height: 32px;
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: copy;
}

.professional-result-table td button:hover,
.professional-result-table td button.is-copied {
  color: var(--professional-accent-dark);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.professional-result-metric.is-copied {
  border-color: var(--professional-accent);
  background: #eaf7f3;
}

.professional-result-formulas ul,
.professional-tool-notes ul {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--professional-muted);
  font-size: 13px;
  line-height: 1.7;
}

.professional-tool-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.professional-tool-notes > div { padding: 20px; }
.professional-tool-notes p { color: var(--professional-muted); font-size: 12px; }
.professional-tool-notes a { color: var(--professional-accent-dark); overflow-wrap: anywhere; }

@media (max-width: 1280px) {
  .professional-tools-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  .professional-tools-app {
    display: block;
    min-height: 0;
  }

  .professional-tools-sidebar {
    min-height: 0;
    position: relative;
    top: auto;
  }

  .professional-tools-sidebar-nav {
    display: none;
  }

  .professional-tools-sidebar.is-open .professional-tools-sidebar-nav {
    display: block;
  }

  .professional-tools-sidebar-toggle {
    display: flex;
  }

  .professional-tools-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .professional-tool-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .professional-tools-shell { width: min(calc(100% - 28px), 1520px); padding: 30px 0 48px; }
  .professional-tools-sidebar-brand { padding: 20px 16px; }
  .professional-tools-sidebar-home,
  .professional-tools-sidebar-category { padding-right: 16px; padding-left: 16px; }
  .professional-tools-sidebar-tool { padding-left: 24px; }
  .professional-tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .professional-tool-fields,
  .professional-result-metrics,
  .professional-tool-notes { grid-template-columns: 1fr; }
  .professional-tool-calculator,
  .professional-tool-results { padding: 18px; }
  .professional-tool-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .professional-tool-actions button,
  .professional-tool-results-heading button {
    width: 100%;
  }
  .professional-tool-results-heading {
    align-items: stretch;
    flex-direction: column;
  }
  .professional-tools-section-heading {
    align-items: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 440px) {
  .professional-tools-grid { grid-template-columns: 1fr; }
  .professional-tool-card { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .professional-tool-card,
  .professional-tool-actions button,
  .professional-tool-results-heading button,
  .professional-result-metric {
    transition: none;
  }

  .professional-tool-actions button:active,
  .professional-tool-results-heading button:active,
  .professional-result-metric:active {
    transform: none;
  }
}