:root {
  --accent: #2563eb;
  --accent-soft: rgba(37,99,235,0.14);
  --bg: linear-gradient(135deg, #f5f9ff 0%, #edf4ff 45%, #ffffff 100%);
  --text: #0f172a;
  --muted: #64748b;
  --surface: rgba(255,255,255,0.88);
  --border: rgba(148,163,184,0.2);
  --shadow: 0 18px 40px rgba(15,23,42,0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.topbar,
.panel,
.story-card,
.metric-card,
.contact-card,
.content-block,
.ticker,
.footer-card {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.topbar,
.panel,
.footer-card {
  border-radius: var(--radius-xl);
}

.story-card,
.metric-card,
.contact-card,
.content-block,
.ticker {
  border-radius: var(--radius-lg);
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
}

.brand-kicker,
.eyebrow,
.label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-name,
.hero-title,
.story-title,
.page-title,
.footer-title {
  color: var(--text);
  font-weight: 700;
}

.brand-name { margin-top: 6px; font-size: 16px; }
.page-title { margin: 14px 0 0; font-size: 44px; line-height: 1.08; letter-spacing: -0.04em; }
.hero-title { margin: 0; font-size: 28px; line-height: 1.15; letter-spacing: -0.03em; }
.story-title { margin: 14px 0 0; font-size: 22px; line-height: 1.3; }
.footer-title { margin: 0; font-size: 18px; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-link {
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(15,23,42,0.05);
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.nav-link.active {
  background: var(--accent);
  color: #fff;
}

.layout,
.article-layout,
.channel-layout {
  display: grid;
  gap: 24px;
}

.layout {
  grid-template-columns: 1.3fr 0.8fr;
  margin-top: 24px;
}

.hero-panel,
.feature-grid,
.metric-grid,
.story-grid {
  display: grid;
  gap: 18px;
}

.hero-panel {
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.88));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
}

.hero-shell {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: stretch;
}

.hero-copy {
  min-width: 0;
}

.hero-visual-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-visual-card {
  position: relative;
  overflow: hidden;
  min-height: 156px;
  padding: 18px;
  border-radius: calc(var(--radius-lg) - 2px);
  background:
    radial-gradient(circle at top right, rgba(255,255,255,0.3), transparent 40%),
    linear-gradient(145deg, rgba(15,23,42,0.96), color-mix(in srgb, var(--accent) 72%, #0f172a 28%));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  color: #fff;
}

.hero-visual-card-main {
  grid-column: span 2;
  min-height: 198px;
}

.hero-visual-label,
.story-cover-label,
.content-visual-label {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-visual-value,
.content-visual-value {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  font-size: 32px;
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.hero-visual-text,
.story-cover-text,
.content-visual-text {
  position: relative;
  z-index: 1;
  margin: 10px 0 0;
  max-width: 28ch;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255,255,255,0.82);
}

.page-summary {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15,23,42,0.05);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-secondary {
  border: 1px solid rgba(148,163,184,0.35);
  background: #fff;
  color: var(--text);
}

.ticker {
  margin-top: 18px;
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

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

.metric-grid.single-column {
  grid-template-columns: 1fr;
}

.metric-card,
.story-card,
.contact-card,
.content-block {
  padding: 20px;
}

.story-card {
  overflow: hidden;
}

.story-cover {
  position: relative;
  overflow: hidden;
  min-height: 142px;
  margin: -20px -20px 18px;
  padding: 18px 18px 20px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 84%, #ffffff 16%), rgba(15,23,42,0.96)),
    radial-gradient(circle at top left, rgba(255,255,255,0.22), transparent 36%);
  color: #fff;
}

.hero-visual-card::after,
.story-cover::after,
.content-visual-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -38% auto;
  width: 160px;
  height: 160px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  filter: blur(2px);
}

.story-cover-lines,
.content-visual-lines {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.story-cover-lines span,
.content-visual-lines span {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
}

.story-cover-lines span:nth-child(1),
.content-visual-lines span:nth-child(1) { width: 92%; }
.story-cover-lines span:nth-child(2),
.content-visual-lines span:nth-child(2) { width: 66%; }
.story-cover-lines span:nth-child(3),
.content-visual-lines span:nth-child(3) { width: 80%; }

.metric-value {
  margin-top: 10px;
  font-size: 17px;
  font-weight: 700;
}

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

.story-text,
.content-text,
.contact-text,
.footer-text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.accent-pill {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.channel-layout {
  grid-template-columns: 1.15fr 0.85fr;
  margin-top: 24px;
}

.article-layout {
  grid-template-columns: 1.22fr 0.78fr;
  margin-top: 24px;
}

.content-block p {
  margin: 0 0 18px;
}

.content-block p:last-child {
  margin-bottom: 0;
}

.list {
  display: grid;
  gap: 12px;
}

.list-item {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(15,23,42,0.04);
}

.special-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 24px;
}

.content-visual-banner {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}

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

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

.content-visual-card {
  position: relative;
  overflow: hidden;
  min-height: 132px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(255,255,255,0.22), transparent 36%),
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 28%, #ffffff 72%), rgba(255,255,255,0.98));
  border: 1px solid rgba(255,255,255,0.82);
}

.footer-card {
  margin-top: 28px;
  padding: 24px;
}

.footer-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1.2fr 0.9fr 0.9fr 0.9fr;
}

.footer-column {
  min-width: 0;
}

.footer-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-link-group {
  display: grid;
  gap: 10px;
}

.footer-link-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.footer-link-list {
  display: grid;
  gap: 10px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.footer-link::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.footer-copy {
  font-size: 12px;
  color: var(--muted);
}

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

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.7);
  background: rgba(15,23,42,0.92);
  color: #fff;
  box-shadow: 0 18px 40px rgba(15,23,42,0.22);
  font-size: 13px;
  font-weight: 700;
  z-index: 20;
}

@media (max-width: 960px) {
  .hero-shell,
  .hero-visual-grid,
  .content-visual-grid,
  .footer-grid,
  .layout,
  .article-layout,
  .channel-layout,
  .special-grid,
  .story-grid {
    grid-template-columns: 1fr;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: 34px;
  }

  .hero-visual-card-main {
    grid-column: span 1;
  }

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

.site-body {
  min-height: 100vh;
}

.section-panel {
  padding: 22px;
}

.section-title {
  margin: 14px 0 0;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
}

.section-body,
.rank-item p,
.story-row p,
.timeline-item p,
.link-card span {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.story-stack,
.rank-list,
.timeline-list,
.link-grid,
.spec-grid {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.bullet-list {
  margin: 18px 0 0;
  padding-left: 20px;
}

.bullet-list li {
  color: var(--muted);
  line-height: 1.8;
}

.story-row,
.rank-item,
.timeline-item,
.link-card,
.fact-card {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(15,23,42,0.04);
}

.story-row strong,
.rank-item strong,
.timeline-item strong,
.link-card strong,
.fact-card strong {
  display: block;
  color: var(--text);
  font-size: 15px;
}

.rank-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.rank-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.timeline-item {
  border-left: 3px solid var(--accent);
  padding-left: 14px;
}

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

.link-card {
  min-height: 88px;
}

.dual-grid,
.wide-grid,
.triple-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

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

.wide-grid {
  grid-template-columns: 1.15fr 0.85fr;
}

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

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

.fact-grid,
.step-grid {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

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

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

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.signal-chip {
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(15,23,42,0.06);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
}

.article-shell {
  display: grid;
  gap: 18px;
}

.quote-panel {
  padding: 22px 24px;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.quote-panel .story-text {
  margin-top: 10px;
}

.panel-dark {
  background: linear-gradient(145deg, rgba(15,23,42,0.96), rgba(30,41,59,0.92));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 24px 54px rgba(2,6,23,0.34);
}

.panel-dark .label,
.panel-dark .section-body,
.panel-dark .story-text,
.panel-dark .metric-value,
.panel-dark .rank-item p,
.panel-dark .story-row p,
.panel-dark .timeline-item p,
.panel-dark .link-card span {
  color: rgba(226,232,240,0.78);
}

.panel-dark .section-title,
.panel-dark .story-title,
.panel-dark strong {
  color: #fff;
}

.panel-dark .story-row,
.panel-dark .rank-item,
.panel-dark .timeline-item,
.panel-dark .link-card,
.panel-dark .fact-card,
.panel-dark .signal-chip,
.panel-dark .quote-panel {
  background: rgba(255,255,255,0.06);
}

.panel-dark .quote-panel {
  border-color: rgba(255,255,255,0.12);
}

.floating-cta {
  margin-top: 24px;
  padding: 24px 26px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--accent), rgba(15,23,42,0.92));
  color: #fff;
  box-shadow: 0 22px 48px rgba(15,23,42,0.18);
}

.floating-cta h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.floating-cta p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.82);
}

.cta-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.cta-chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  font-size: 12px;
  font-weight: 600;
}

.variant-portal .topbar {
  background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,244,244,0.96));
}

.variant-magazine .hero-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(236,253,250,0.96));
}

.variant-finance .metric-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(240,253,250,0.82));
}

.variant-sports {
  --text: #e2e8f0;
  --muted: #94a3b8;
  --surface: rgba(15,23,42,0.74);
  --border: rgba(255,255,255,0.08);
  --shadow: 0 24px 54px rgba(2,6,23,0.34);
}

.variant-sports .topbar,
.variant-sports .panel,
.variant-sports .story-card,
.variant-sports .metric-card,
.variant-sports .contact-card,
.variant-sports .content-block,
.variant-sports .ticker,
.variant-sports .footer-card {
  background: rgba(15,23,42,0.72);
}

.variant-sports .brand-name,
.variant-sports .hero-title,
.variant-sports .story-title,
.variant-sports .page-title,
.variant-sports .footer-title,
.variant-sports .metric-value,
.variant-sports .section-title {
  color: #fff;
}

.variant-sports .nav-link,
.variant-sports .chip,
.variant-sports .list-item {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.82);
}

.variant-sports .button-secondary {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.12);
}

.variant-local .floating-cta {
  background: linear-gradient(135deg, #ea580c, rgba(124,45,18,0.95));
}

.variant-education .hero-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(239,246,255,0.98));
}

.variant-auto .hero-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(255,247,237,0.96));
}

.variant-travel .hero-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.99), rgba(240,249,255,0.98));
}

@media (max-width: 960px) {
  .dual-grid,
  .wide-grid,
  .triple-grid,
  .link-grid,
  .spec-grid,
  .fact-grid,
  .step-grid {
    grid-template-columns: 1fr;
  }
}