.datahub-shell {
  --data-ink: #172033;
  --data-muted: #667085;
  --data-line: #e6e9ef;
  --data-map: #1677a8;
  --data-map-soft: #eaf7fb;
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 20px 64px;
}

.datahub-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--data-line);
  border-radius: 18px;
  background:
    linear-gradient(112deg, rgba(255, 141, 26, .12), transparent 42%),
    radial-gradient(circle at 86% 18%, rgba(22, 119, 168, .16), transparent 34%),
    #fff;
  padding: 32px;
}

.datahub-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 36%;
  opacity: .28;
  background-image:
    linear-gradient(rgba(22, 119, 168, .2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 119, 168, .2) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(90deg, transparent, #000);
  pointer-events: none;
}

.datahub-eyebrow {
  color: var(--clr-primary-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.datahub-hero h1 {
  position: relative;
  max-width: 720px;
  margin: 8px 0 10px;
  color: var(--data-ink);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.035em;
}

.datahub-hero p {
  position: relative;
  max-width: 760px;
  margin: 0;
  color: var(--data-muted);
  font-size: 15px;
  line-height: 1.75;
}

.datahub-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.coverage-lens {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 18px 0 0;
  border: 1px solid var(--data-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .84);
  overflow: hidden;
}

.coverage-lens > div {
  min-width: 0;
  padding: 13px 16px;
  border-right: 1px solid var(--data-line);
}

.coverage-lens > div:last-child { border-right: 0; }
.coverage-lens small { display: block; color: #98a2b3; font-size: 11px; }
.coverage-lens strong { display: block; margin-top: 3px; color: var(--data-ink); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.datahub-notice {
  margin-top: 14px;
  border: 1px solid #fed7aa;
  border-radius: 10px;
  background: #fff7ed;
  color: #9a3412;
  padding: 10px 13px;
  font-size: 13px;
}

.datahub-section { margin-top: 28px; }
.datahub-section-head { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 12px; }
.datahub-section h2 { margin: 0; color: var(--data-ink); font-size: 20px; font-weight: 750; }
.datahub-section-head p { margin: 4px 0 0; color: var(--data-muted); font-size: 13px; }

.datahub-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.datahub-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.datahub-card {
  display: block;
  min-width: 0;
  border: 1px solid var(--data-line);
  border-radius: 14px;
  background: #fff;
  color: inherit;
  padding: 18px;
  text-decoration: none;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.datahub-card:hover { color: inherit; transform: translateY(-2px); border-color: rgba(255, 141, 26, .5); box-shadow: 0 12px 28px rgba(23, 32, 51, .08); }
.datahub-card h3 { margin: 0; color: var(--data-ink); font-size: 16px; font-weight: 720; }
.datahub-card p { margin: 7px 0 0; color: var(--data-muted); font-size: 13px; line-height: 1.6; }
.datahub-card-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 14px; color: #98a2b3; font-size: 12px; }

.datahub-metric { font-variant-numeric: tabular-nums; }
.datahub-metric strong { display: block; color: var(--data-ink); font-size: 28px; line-height: 1.1; }
.datahub-metric span { color: var(--data-muted); font-size: 12px; }

.datahub-panel { border: 1px solid var(--data-line); border-radius: 14px; background: #fff; padding: 20px; }
.datahub-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.datahub-table th, .datahub-table td { border-bottom: 1px solid var(--data-line); padding: 10px 8px; text-align: left; }
.datahub-table th { color: #98a2b3; font-size: 11px; font-weight: 700; letter-spacing: .04em; }

.datahub-lock {
  max-width: 640px;
  margin: 48px auto;
  border: 1px solid #fed7aa;
  border-radius: 18px;
  background: linear-gradient(145deg, #fff7ed, #fff);
  padding: 34px;
  text-align: center;
}
.datahub-lock i { color: var(--clr-primary); font-size: 30px; }
.datahub-lock h1 { margin: 12px 0 8px; color: var(--data-ink); font-size: 24px; }
.datahub-lock p { color: var(--data-muted); }

.datahub-empty { border: 1px dashed #d0d5dd; border-radius: 14px; background: #fff; padding: 30px; text-align: center; }
.datahub-empty h2 { color: var(--data-ink); font-size: 18px; }
.datahub-empty p { color: var(--data-muted); font-size: 13px; }

.datahub-login-link { display: inline-flex; align-items: center; gap: 7px; }

/* 排行/趋势条形（catalog.js / industry.js 降级渲染） */
.datahub-bar-row { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: 12.5px; }
.datahub-bar-label { flex: 0 0 84px; color: var(--data-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.datahub-bar-track { flex: 1; height: 8px; border-radius: 4px; background: var(--data-map-soft); overflow: hidden; }
.datahub-bar-fill { display: block; height: 100%; border-radius: 4px; background: var(--data-map); }
.datahub-bar-value { flex: 0 0 auto; color: var(--data-muted); font-variant-numeric: tabular-nums; }
.datahub-empty-inline { margin: 8px 0 0; color: var(--data-muted); font-size: 13px; }

@media (max-width: 800px) {
  .datahub-shell { padding: 12px 12px 44px; }
  .datahub-hero { padding: 24px 20px; border-radius: 14px; }
  .datahub-hero::after { display: none; }
  .datahub-grid, .datahub-grid--2 { grid-template-columns: 1fr; }
  .coverage-lens { grid-template-columns: 1fr; }
  .coverage-lens > div { border-right: 0; border-bottom: 1px solid var(--data-line); }
  .coverage-lens > div:last-child { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .datahub-card { transition: none; }
}