.data-hub-nav-intro{display:flex;align-items:end;justify-content:space-between;gap:24px;margin:20px 0 16px;padding:24px 26px;border:1px solid var(--line-strong);border-radius:22px;background:var(--paper);box-shadow:var(--soft-shadow)}.data-hub-nav-intro h2{font-size:24px}.data-hub-nav-intro p{max-width:540px;color:var(--muted);font-family:var(--font-serif);font-size:var(--text-sm);line-height:1.55}.data-hub-sticky-nav{position:sticky;top:72px;z-index:20;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin:0 0 74px;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--radius-card);background:var(--line-strong);box-shadow:var(--soft-shadow)}.data-hub-sticky-nav a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:10px 14px;background:color-mix(in srgb,var(--paper) 92%,transparent);font-size:var(--text-sm);font-weight:800;text-align:center;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.data-hub-sticky-nav a:hover{background:var(--blue-band)}.data-hub-sticky-nav svg{flex:none;width:18px;color:var(--accent)}.data-board-section{scroll-margin-top:148px}.data-board-frame{max-width:100%;overflow-x:auto;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch}.data-section-intro{margin-bottom:18px}.data-section-number{display:inline-block;margin-bottom:8px;color:var(--accent);font-size:var(--text-xs);font-weight:900;letter-spacing:.08em}.data-freshness{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:20px;color:var(--muted);font-size:var(--text-xs);font-weight:800}.data-freshness span{display:inline-flex;align-items:center;gap:6px}.data-freshness i{width:7px;height:7px;border-radius:50%;background:var(--accent)}#cite-data{scroll-margin-top:148px}@media(max-width:820px){.data-hub-nav-intro{align-items:start;flex-direction:column}.data-hub-sticky-nav{display:flex;justify-content:flex-start;overflow-x:auto;scrollbar-width:none}.data-hub-sticky-nav::-webkit-scrollbar{display:none}.data-hub-sticky-nav a{flex:0 0 auto;min-width:150px}}@media(max-width:560px){.data-hub-nav-intro{padding:18px}.data-hub-sticky-nav{top:66px;margin-bottom:52px}.data-hub-sticky-nav a{min-height:48px;min-width:138px;padding:8px 12px}}