.fg-page {
  --fg-bg: #edf4ff;
  --fg-bg-soft: #f7fbff;
  --fg-card: #ffffff;
  --fg-ink: #344054;
  --fg-ink-soft: #667085;
  --fg-line: #d7e0f1;
  --fg-line-strong: #c2d1eb;
  --fg-blue-1: #2d6de7;
  --fg-blue-2: #1e54c7;
  --fg-blue-3: #5e9cff;
  --fg-blue-4: #cfe0ff;
  --fg-blue-5: #eef4ff;
  --fg-gold: #f0ca66;
  --fg-green: #73c278;
  --fg-teal: #68cab8;
  --fg-yellow: #efc860;
  --fg-shadow: 0 18px 40px rgba(38, 70, 133, 0.10);
  --fg-shadow-soft: 0 10px 28px rgba(38, 70, 133, 0.08);
  color: var(--fg-ink);
}

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

.fg-wrap {
  display: grid;
  gap: 14px;
  padding: 14px;
  border-radius: 28px;
  border: 1px solid var(--fg-line);
  background:
    radial-gradient(circle at top left, rgba(94, 156, 255, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(45, 109, 231, 0.12), transparent 34%),
    linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
  box-shadow: var(--fg-shadow);
}

.fg-page,
.fg-wrap,
.fg-hero,
.fg-hero-copy,
.fg-shell,
.fg-results-shell,
.fg-shell-head,
.fg-shell-title,
.fg-shell-body,
.fg-grid,
.fg-summary-grid,
.fg-panel-grid,
.fg-breakdown-grid,
.fg-info-grid,
.fg-trust-grid,
.fg-formula-grid,
.fg-example-grid,
.fg-related-grid,
.fg-grade-scale-grid,
.fg-content-card,
.fg-table-wrap {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.fg-hero,
.fg-shell,
.fg-results-shell,
.fg-content-card,
.fg-quick-links a,
.fg-badge,
.fg-summary-card,
.fg-breakdown-card,
.fg-panel-card,
.fg-small-card,
.fg-formula-card,
.fg-example-card,
.fg-related-card,
.fg-grade-scale-card {
  border: 1px solid var(--fg-line);
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(246,250,255,0.98) 100%);
  box-shadow: var(--fg-shadow-soft);
}

.fg-hero,
.fg-shell,
.fg-results-shell,
.fg-content-card,
.fg-grade-scale-card,
.fg-breakdown-card,
.fg-summary-card,
.fg-panel-card,
.fg-small-card,
.fg-formula-card,
.fg-example-card,
.fg-related-card {
  border-radius: 22px;
}

.fg-hero,
.fg-shell-head,
.fg-shell-body,
.fg-results-head,
.fg-breakdown-head,
.fg-breakdown-grid,
.fg-content-card,
.fg-grade-scale-card,
.fg-summary-card,
.fg-panel-card,
.fg-small-card,
.fg-formula-card,
.fg-example-card,
.fg-related-card {
  padding: 16px;
}

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

.fg-hero-mark,
.fg-shell-logo {
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, var(--fg-blue-3) 0%, var(--fg-blue-1) 48%, var(--fg-blue-2) 100%);
  box-shadow: 0 10px 22px rgba(45, 109, 231, 0.26), inset 0 1px 0 rgba(255,255,255,0.26);
}

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

.fg-hero-copy h1,
.fg-shell-title h2,
.fg-results-head h2,
.fg-breakdown-head h3,
.fg-content-head h2,
.fg-panel-card h3,
.fg-grade-scale-head h3,
.fg-small-card h3,
.fg-formula-card h3,
.fg-example-card h3,
.fg-related-card h3 {
  margin: 0;
  color: #314158;
  letter-spacing: -0.03em;
}

.fg-hero-copy h1 {
  font-size: clamp(1.7rem, 3.1vw, 2.55rem);
  line-height: 1.05;
}

.fg-hero-copy p,
.fg-shell-title p,
.fg-breakdown-head p,
.fg-content-head p,
.fg-panel-card p,
.fg-small-card p,
.fg-formula-card p,
.fg-example-card p,
.fg-related-card p,
.fg-grade-scale-head p,
.fg-reference-list,
.fg-faq-item p,
.fg-copy,
.fg-alert,
.fg-chart-caption {
  color: var(--fg-ink-soft);
}

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

.fg-badges,
.fg-quick-links,
.fg-tabs,
.fg-actions,
.fg-preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.fg-badge,
.fg-quick-links a,
.fg-tabs button,
.fg-preset-buttons button,
.fg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.fg-badge,
.fg-quick-links a,
.fg-tabs button,
.fg-preset-buttons button {
  padding: 8px 14px;
  background: rgba(255,255,255,0.92);
}

.fg-badge,
.fg-quick-links a {
  color: #4c5d77;
}

.fg-shell,
.fg-results-shell,
.fg-content-card,
.fg-grade-scale-card,
.fg-breakdown-card {
  overflow: hidden;
}

.fg-shell-head,
.fg-results-head,
.fg-breakdown-head {
  border-bottom: 1px solid var(--fg-line);
}

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

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

.fg-shell-title h2,
.fg-results-head h2,
.fg-content-head h2,
.fg-breakdown-head h3,
.fg-panel-card h3,
.fg-grade-scale-head h3,
.fg-small-card h3,
.fg-formula-card h3,
.fg-example-card h3,
.fg-related-card h3 {
  font-size: clamp(1.05rem, 2vw, 1.34rem);
  line-height: 1.15;
}

.fg-shell-title p,
.fg-content-head p,
.fg-breakdown-head p,
.fg-grade-scale-head p {
  margin: 4px 0 0;
  font-size: 0.92rem;
  line-height: 1.52;
}

.fg-tabs {
  padding: 12px 16px 0;
}

.fg-tabs button,
.fg-preset-buttons button {
  border: 1px solid var(--fg-line-strong);
  color: #4b5d79;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.92);
}

.fg-tabs button.is-active,
.fg-preset-buttons button.is-active {
  color: #fff;
  border-color: rgba(45, 109, 231, 0.5);
  background: linear-gradient(180deg, var(--fg-blue-3) 0%, var(--fg-blue-1) 50%, var(--fg-blue-2) 100%);
  box-shadow: 0 10px 18px rgba(45, 109, 231, 0.18), inset 0 1px 0 rgba(255,255,255,0.22);
}

.fg-tools-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 12px;
  margin-bottom: 12px;
}

.fg-select-wrap,
.fg-preset-wrap,
.fg-field {
  display: grid;
  gap: 7px;
}

.fg-select-wrap span,
.fg-preset-wrap > span,
.fg-field > span {
  font-size: 0.9rem;
  font-weight: 700;
  color: #40516c;
}

.fg-select-wrap select,
.fg-input-wrap {
  min-height: 50px;
  border-radius: 14px;
  border: 1px solid var(--fg-line-strong);
  background: linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.94);
}

.fg-select-wrap select {
  width: 100%;
  padding: 0 14px;
  color: #344054;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #4c5d77 50%), linear-gradient(135deg, #4c5d77 50%, transparent 50%), linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
  background-position: calc(100% - 22px) calc(50% - 3px), calc(100% - 16px) calc(50% - 3px), 0 0;
  background-size: 6px 6px, 6px 6px, 100% 100%;
  background-repeat: no-repeat;
}

.fg-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.fg-input-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: stretch;
  overflow: hidden;
}

.fg-input-wrap input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 0;
  background: transparent;
  color: #344054;
  font-weight: 700;
}

.fg-input-wrap i {
  display: grid;
  place-items: center;
  border-left: 1px solid var(--fg-line-strong);
  background: linear-gradient(180deg, #f4f7ff 0%, #eaf1ff 100%);
  color: #52627e;
  font-style: normal;
  font-weight: 800;
}

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

.fg-btn {
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  cursor: pointer;
}

.fg-btn-main {
  color: #fff;
  background: linear-gradient(180deg, var(--fg-blue-3) 0%, var(--fg-blue-1) 45%, var(--fg-blue-2) 100%);
  box-shadow: 0 14px 24px rgba(45, 109, 231, 0.22), inset 0 1px 0 rgba(255,255,255,0.24);
}

.fg-btn-secondary {
  color: #426081;
  border-color: var(--fg-line-strong);
  background: linear-gradient(180deg, #ffffff 0%, #f1f6ff 100%);
}

.fg-alert {
  min-height: 20px;
  margin: 10px 0 0;
  font-size: 0.88rem;
}

.fg-summary-grid,
.fg-panel-grid,
.fg-breakdown-grid,
.fg-info-grid,
.fg-trust-grid,
.fg-formula-grid,
.fg-example-grid,
.fg-related-grid,
.fg-grade-scale-grid {
  display: grid;
  gap: 12px;
}

.fg-summary-grid,
.fg-panel-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fg-summary-card {
  display: grid;
  gap: 10px;
}

.fg-summary-accent {
  background: linear-gradient(180deg, #ffffff 0%, #f2f7ff 100%);
}

.fg-summary-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: #425676;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.fg-summary-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.fg-summary-main strong {
  font-size: clamp(1.45rem, 3vw, 2rem);
  color: #314158;
  letter-spacing: -0.05em;
}

.fg-summary-main p,
.fg-summary-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
}

.fg-summary-band,
.fg-grade-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 12px;
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.65);
}

.fg-summary-band {
  background: linear-gradient(180deg, #fff4bd 0%, #f6dd8d 100%);
  color: #745900;
  border: 1px solid rgba(240, 202, 102, 0.7);
}

.fg-grade-chip {
  background: linear-gradient(180deg, var(--fg-blue-3) 0%, var(--fg-blue-1) 50%, var(--fg-blue-2) 100%);
  color: #fff;
  border: 1px solid rgba(45, 109, 231, 0.5);
}

.fg-summary-main-tight {
  justify-content: flex-start;
}

.fg-results-head {
  padding-bottom: 12px;
}

.fg-summary-grid,
.fg-breakdown-card,
.fg-panel,
.fg-grade-scale-card {
  margin: 14px 16px 0;
}

.fg-breakdown-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.fg-breakdown-grid {
  grid-template-columns: 200px minmax(0, 1fr);
  align-items: center;
}

.fg-chart-panel {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.fg-chart {
  width: 156px;
  height: 156px;
  border-radius: 50%;
  border: 1px solid var(--fg-line);
  position: relative;
  background: conic-gradient(var(--fg-blue-1) 0 30%, var(--fg-gold) 30% 61.5%, var(--fg-green) 61.5% 86%, var(--fg-teal) 86% 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.82), 0 12px 24px rgba(61, 92, 153, 0.10);
}

.fg-chart::before {
  content: "";
  position: absolute;
  inset: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f6fbff 100%);
  border-radius: 50%;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.95);
}

.fg-chart-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 1;
  font-size: 1.2rem;
  font-weight: 900;
  color: #314158;
  letter-spacing: -0.05em;
}

.fg-chart-caption {
  font-size: 0.85rem;
  text-align: center;
}

.fg-legend {
  display: grid;
  gap: 10px;
}

.fg-legend-row,
.fg-list-clean li,
.fg-grade-scale-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.fg-legend-row strong,
.fg-list-clean strong,
.fg-grade-scale-row strong,
.fg-grade-scale-row i {
  color: #314158;
}

.fg-dot {
  width: 14px;
  height: 14px;
  border-radius: 5px;
}

.fg-dot-final { background: var(--fg-blue-1); }
.fg-dot-project { background: var(--fg-gold); }
.fg-dot-quiz { background: var(--fg-green); }
.fg-dot-participation { background: var(--fg-teal); }

.fg-panel-card,
.fg-small-card,
.fg-formula-card,
.fg-example-card,
.fg-related-card {
  display: grid;
  gap: 10px;
}

.fg-panel {
  margin-top: 14px;
}

.fg-list-clean,
.fg-note-list,
.fg-reference-list,
.fg-example-card ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fg-example-card ol {
  list-style: decimal;
  padding-left: 18px;
}

.fg-list-clean {
  display: grid;
  gap: 10px;
}

.fg-list-clean li {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--fg-line);
  background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
}

.fg-note-list {
  display: grid;
  gap: 8px;
}

.fg-note-list li {
  padding-left: 16px;
  position: relative;
  color: var(--fg-ink-soft);
  line-height: 1.6;
}

.fg-note-list li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--fg-blue-1);
}

.fg-info-grid,
.fg-trust-grid,
.fg-formula-grid,
.fg-example-grid,
.fg-related-grid {
  margin-top: 14px;
}

.fg-info-grid,
.fg-trust-grid,
.fg-formula-grid,
.fg-related-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fg-example-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fg-step-no {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--fg-blue-3) 0%, var(--fg-blue-1) 100%);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 10px 18px rgba(45, 109, 231, 0.20);
}

.fg-formula-box {
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, #f5f9ff 0%, #ecf3ff 100%);
  border: 1px solid var(--fg-line);
  color: #2c4673;
  font-weight: 800;
  line-height: 1.65;
}

.fg-table-wrap {
  overflow-x: auto;
  margin-top: 14px;
  border-radius: 18px;
  border: 1px solid var(--fg-line);
  background: #fff;
}

.fg-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.fg-table th,
.fg-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--fg-line);
  text-align: left;
  white-space: nowrap;
}

.fg-table th {
  background: #f2f7ff;
  color: #3f5170;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.fg-table tbody tr:nth-child(even) td {
  background: #fbfdff;
}

.fg-faq-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.fg-faq-item {
  border-radius: 18px;
  border: 1px solid var(--fg-line);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  padding: 14px 16px;
}

.fg-faq-item summary {
  cursor: pointer;
  font-weight: 800;
  color: #32455f;
  list-style: none;
}

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

.fg-faq-item p {
  margin: 10px 0 0;
  line-height: 1.7;
}

.fg-related-card {
  color: inherit;
}

.fg-related-card:hover {
  border-color: rgba(45, 109, 231, 0.36);
}

.fg-reference-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.fg-reference-list a {
  color: #1f5fd7;
  font-weight: 700;
}

.fg-grade-scale-card {
  margin-bottom: 16px;
}

.fg-grade-scale-grid {
  margin-top: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fg-grade-scale-row {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--fg-line);
  background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
}

.fg-grade-scale-row span {
  color: var(--fg-ink-soft);
}

@media (max-width: 1080px) {
  .fg-example-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .fg-summary-grid,
  .fg-panel-grid,
  .fg-info-grid,
  .fg-trust-grid,
  .fg-formula-grid,
  .fg-related-grid,
  .fg-grade-scale-grid,
  .fg-tools-row {
    grid-template-columns: 1fr;
  }

  .fg-breakdown-grid {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .fg-breakdown-head {
    display: grid;
  }
}

@media (max-width: 680px) {
  .fg-wrap {
    padding: 10px;
    gap: 10px;
    border-radius: 22px;
  }

  .fg-hero,
  .fg-shell-head,
  .fg-shell-body,
  .fg-results-head,
  .fg-breakdown-head,
  .fg-breakdown-grid,
  .fg-content-card,
  .fg-grade-scale-card,
  .fg-summary-card,
  .fg-panel-card,
  .fg-small-card,
  .fg-formula-card,
  .fg-example-card,
  .fg-related-card {
    padding: 12px;
  }

  .fg-tabs {
    padding: 10px 12px 0;
  }

  .fg-summary-grid,
  .fg-breakdown-card,
  .fg-panel,
  .fg-grade-scale-card {
    margin: 10px 12px 0;
  }

  .fg-hero {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 10px;
  }

  .fg-hero-mark {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    font-size: 1.4rem;
  }

  .fg-badge,
  .fg-quick-links a,
  .fg-tabs button,
  .fg-preset-buttons button,
  .fg-btn {
    min-height: 34px;
    font-size: 0.8rem;
  }

  .fg-badge,
  .fg-quick-links a,
  .fg-tabs button,
  .fg-preset-buttons button {
    padding: 7px 11px;
  }

  .fg-grid {
    gap: 10px;
  }

  .fg-input-wrap {
    grid-template-columns: minmax(0, 1fr) 38px;
  }

  .fg-input-wrap input,
  .fg-select-wrap select {
    min-height: 42px;
    padding-left: 12px;
    padding-right: 12px;
    font-size: 0.92rem;
  }

  .fg-select-wrap span,
  .fg-preset-wrap > span,
  .fg-field > span,
  .fg-summary-title {
    font-size: 0.78rem;
  }

  .fg-hero-copy p,
  .fg-shell-title p,
  .fg-content-head p,
  .fg-breakdown-head p,
  .fg-summary-card p,
  .fg-panel-card p,
  .fg-small-card p,
  .fg-formula-card p,
  .fg-example-card p,
  .fg-related-card p,
  .fg-grade-scale-head p,
  .fg-faq-item p,
  .fg-copy {
    font-size: 0.85rem;
  }

  .fg-shell-title h2,
  .fg-results-head h2,
  .fg-content-head h2,
  .fg-breakdown-head h3,
  .fg-panel-card h3,
  .fg-grade-scale-head h3,
  .fg-small-card h3,
  .fg-formula-card h3,
  .fg-example-card h3,
  .fg-related-card h3 {
    font-size: 1rem;
  }

  .fg-shell-logo {
    width: 38px;
    height: 38px;
    border-radius: 13px;
    font-size: 1rem;
    flex-basis: 38px;
  }

  .fg-summary-main strong {
    font-size: 1.38rem;
  }

  .fg-summary-band,
  .fg-grade-chip {
    min-height: 36px;
    padding: 0 10px;
    font-size: 0.84rem;
  }

  .fg-chart {
    width: 132px;
    height: 132px;
  }

  .fg-chart::before {
    inset: 16px;
  }

  .fg-chart-center {
    font-size: 1rem;
  }

  .fg-legend,
  .fg-list-clean,
  .fg-note-list,
  .fg-reference-list,
  .fg-example-card ol {
    font-size: 0.84rem;
  }

  .fg-grade-scale-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .fg-grid,
  .fg-summary-grid,
  .fg-panel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fg-grid .fg-field,
  .fg-summary-grid > *,
  .fg-panel-grid > * {
    min-width: 0;
  }

  .fg-tools-row,
  .fg-info-grid,
  .fg-trust-grid,
  .fg-formula-grid,
  .fg-related-grid,
  .fg-grade-scale-grid {
    grid-template-columns: 1fr;
  }

  .fg-breakdown-grid {
    gap: 8px;
  }

  .fg-legend-row,
  .fg-list-clean li,
  .fg-grade-scale-row {
    gap: 8px;
    font-size: 0.82rem;
  }
}