:root {
  --bg: #ece8df;
  --bg-alt: #f5f1e8;
  --surface: rgba(255, 252, 247, 0.93);
  --surface-strong: rgba(255, 252, 247, 0.98);
  --surface-dark: #112129;
  --ink: #162128;
  --muted: #687682;
  --line: rgba(22, 33, 40, 0.1);
  --line-strong: rgba(22, 33, 40, 0.18);
  --trade: #1d7e64;
  --finance: #295d88;
  --business: #ae6730;
  --mobility: #708722;
  --sentiment: #8f4c5d;
  --headline: #124f60;
  --shadow: 0 18px 48px rgba(17, 33, 41, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0)),
    radial-gradient(circle at top left, rgba(18, 79, 96, 0.08), transparent 24%),
    radial-gradient(circle at 82% 8%, rgba(174, 103, 48, 0.08), transparent 18%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 48%, #e5dfd4 100%);
}

.page-shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.about-shell {
  padding-bottom: 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 76px;
  height: 76px;
  object-fit: contain;
  border-radius: 18px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  margin: 2px 0 0;
  font-family: "Manrope", sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.eyebrow,
.panel-kicker,
.score-label,
.panel-subtle,
.highlight-label,
.terminal-key {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-family: "Manrope", sans-serif;
  font-size: 0.74rem;
  color: var(--muted);
}

.brand-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(22, 33, 40, 0.08);
  background: rgba(255, 255, 255, 0.74);
}

.download-card-link {
  text-decoration: none;
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  font-size: 0.88rem;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(22, 33, 40, 0.05);
}

.language-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: "Manrope", sans-serif;
  font-size: 0.9rem;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
}

.language-button.is-active {
  background: var(--surface-dark);
  color: #f2ebe1;
}

.hero-card,
.panel,
.method-card {
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 22px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.95fr);
  gap: 20px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0)),
    var(--surface-strong);
  margin-bottom: 20px;
}

.hero-copy {
  padding: 18px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(18, 79, 96, 0.03), rgba(18, 79, 96, 0)),
    rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(22, 33, 40, 0.06);
}

h1,
h2 {
  margin: 0;
  font-family: "Manrope", sans-serif;
}

h1 {
  margin-top: 10px;
  max-width: 13ch;
  font-size: clamp(2.8rem, 5.4vw, 6.4rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.hero-text,
.method-copy p,
.insight-text,
.source-note,
.brief-loading,
.brief-paragraph {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.72;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.highlight-item {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(22, 33, 40, 0.03);
  border: 1px solid rgba(22, 33, 40, 0.06);
}

.highlight-item strong {
  display: block;
  margin-top: 6px;
  font-family: "Manrope", sans-serif;
  font-size: 1.02rem;
  color: var(--ink);
}

.score-panel {
  padding: 26px;
  border-radius: 18px;
  color: #f0e9df;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0)),
    linear-gradient(160deg, #163744 0%, #0f222b 72%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.score-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.score-badge {
  padding: 8px 12px;
  border: 1px solid rgba(240, 233, 223, 0.16);
  border-radius: 999px;
  font-family: "Manrope", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240, 233, 223, 0.8);
}

.score-value {
  margin-top: 12px;
  font-size: clamp(3.5rem, 8vw, 6rem);
  line-height: 0.94;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.score-meta,
.score-note {
  margin-top: 12px;
  color: rgba(240, 233, 223, 0.82);
  line-height: 1.55;
}

.score-update {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(240, 233, 223, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.terminal-key {
  color: rgba(240, 233, 223, 0.55);
}

.terminal-value {
  text-align: right;
  font-family: "Manrope", sans-serif;
  font-size: 0.86rem;
  color: rgba(240, 233, 223, 0.9);
}

.grid-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
  gap: 18px;
}

.panel {
  padding: 24px;
  background: var(--surface);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.panel-subtle {
  color: #8b98a3;
}

.chart-panel {
  min-height: 390px;
  background:
    linear-gradient(180deg, rgba(18, 79, 96, 0.03), rgba(18, 79, 96, 0)),
    var(--surface);
}

#trend-chart {
  width: 100%;
  height: auto;
  overflow: visible;
}

.subindex-list,
.brief-content {
  display: grid;
  gap: 12px;
}

.subindex-row {
  display: grid;
  grid-template-columns: 122px 1fr 60px;
  gap: 12px;
  align-items: center;
}

.row-label {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
}

.bar-track {
  height: 10px;
  background: rgba(22, 33, 40, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
}

.row-value {
  text-align: right;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.insight-panel {
  display: flex;
  flex-direction: column;
}

.driver-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.driver-tag {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(22, 33, 40, 0.05);
  border: 1px solid rgba(22, 33, 40, 0.06);
  color: var(--ink);
  font-size: 0.9rem;
}

.brief-panel {
  grid-column: 1 / -1;
}

.brief-heading {
  margin: 8px 0 0;
  font-family: "Manrope", sans-serif;
  font-size: 1.02rem;
}

.brief-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.72;
}

.brief-list li + li {
  margin-top: 6px;
}

.site-footer {
  margin-top: 22px;
  padding: 18px 0 0;
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 0.8fr;
  gap: 18px;
  border-top: 1px solid rgba(22, 33, 40, 0.08);
}

.footer-column {
  padding: 10px 0;
}

.footer-title {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.footer-text {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.68;
  font-size: 0.94rem;
}

.footer-meta {
  text-align: right;
}

.grid-line {
  stroke: rgba(22, 33, 40, 0.14);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.chart-label {
  fill: var(--muted);
  font-size: 11px;
  font-family: "Manrope", sans-serif;
}

.trend-area {
  fill: rgba(18, 79, 96, 0.11);
}

.trend-line {
  fill: none;
  stroke: var(--headline);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trend-point {
  fill: #fffaf3;
  stroke: var(--headline);
  stroke-width: 3;
}

.about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.7fr);
  gap: 18px;
  margin-top: 18px;
}

.about-hero-copy,
.about-hero-panel,
.about-panel {
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.about-hero-copy {
  padding: 28px;
}

.about-title {
  margin-top: 10px;
  max-width: none;
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.about-lead {
  margin: 18px 0 0;
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.8;
}

.about-body,
.about-copy,
.about-structure-item p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.76;
}

.about-hero-panel {
  padding: 20px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.about-stat {
  padding: 18px;
  border-radius: 18px;
  background: rgba(22, 33, 40, 0.03);
  border: 1px solid rgba(22, 33, 40, 0.06);
}

.about-stat strong {
  display: block;
  margin-top: 8px;
  font-family: "Manrope", sans-serif;
  font-size: 1.2rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}

.about-panel {
  padding: 24px;
}

.about-panel-wide {
  grid-column: 1 / -1;
}

.about-list {
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.76;
}

.about-list li + li {
  margin-top: 8px;
}

.about-structure {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.about-structure-item {
  padding: 18px;
  border-radius: 18px;
  background: rgba(22, 33, 40, 0.03);
  border: 1px solid rgba(22, 33, 40, 0.06);
}

.about-structure-item h3 {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-size: 1.02rem;
}

.score-table {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.score-row {
  display: grid;
  grid-template-columns: 110px 130px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid rgba(22, 33, 40, 0.08);
}

.score-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.score-range,
.score-level {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
}

.score-desc {
  color: var(--muted);
  line-height: 1.66;
}

@media (max-width: 980px) {
  .hero-card,
  .grid-layout,
  .site-footer,
  .about-hero,
  .about-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero-highlights {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .about-structure {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 20px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-card,
  .panel,
  .method-card,
  .about-hero-copy,
  .about-hero-panel,
  .about-panel {
    padding: 18px;
    border-radius: 18px;
  }

  .hero-copy {
    padding: 0;
    background: transparent;
    border: 0;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.4rem, 12vw, 4.4rem);
    line-height: 0.92;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
  }

  .panel-header,
  .score-topline,
  .score-update {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    text-align: left;
  }

  .terminal-value {
    text-align: left;
  }

  .subindex-row {
    grid-template-columns: 90px 1fr 52px;
    gap: 10px;
  }

  .score-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

}