:root{--bg: #0b0e14;--bg-soft: #121722;--bg-card: #161d2b;--border: #232c3d;--text: #e6edf7;--text-dim: #9aa7bd;--accent: #5aa9ff;--accent-strong: #8fd0ff;--radius: 12px;--maxw: 1080px;--shadow: 0 6px 24px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-strong)}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.topbar{position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0b0e14d1;border-bottom:1px solid var(--border)}.topbar__inner{display:flex;align-items:center;gap:18px;height:56px}.brand{font-weight:700;color:var(--text);letter-spacing:.2px}.nav-links{display:flex;gap:14px;margin-left:auto}.nav-links a{color:var(--text-dim);font-size:14px}.nav-links a:hover,.nav-links a.active{color:var(--accent-strong)}.breadcrumb{font-size:13px;color:var(--text-dim);padding:14px 0 0}.breadcrumb a{color:var(--text-dim)}.breadcrumb a:hover{color:var(--accent)}.grid{display:grid;gap:18px}.grid--subjects{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.grid--entries{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:transform .16s ease,border-color .16s ease}.card:hover{transform:translateY(-2px);border-color:var(--accent)}.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--text-dim);font-size:14px}.card .tag{display:inline-block;margin-top:10px;font-size:12px;color:var(--accent)}.page-title{font-size:26px;margin:18px 0 6px}.lead{color:var(--text-dim);margin:0 0 22px}.btn{display:inline-block;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--bg-soft);color:var(--text);cursor:pointer;font-size:14px;transition:border-color .16s ease,color .16s ease}.btn:hover{border-color:var(--accent);color:var(--accent-strong)}.prose h2{margin-top:24px;font-size:20px}.prose p{margin:10px 0}.prose ul,.prose ol{padding-left:20px}.prose code{background:var(--bg-soft);padding:1px 5px;border-radius:4px;font-size:.92em}.footer{margin-top:48px;padding:24px 0;border-top:1px solid var(--border);color:var(--text-dim);font-size:13px;text-align:center}.exhibit-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:18px;align-items:start}.exhibit-viewer{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;height:min(66vh,470px);min-height:300px}.exhibit-chips{display:flex;flex-wrap:wrap;gap:8px}@media (max-width: 820px){.exhibit-layout{grid-template-columns:1fr}.exhibit-viewer{height:min(54vh,380px);min-height:260px}.page-title{font-size:22px}.lead{font-size:15px}.btn{padding:10px 14px;font-size:14px}.topbar__inner{gap:10px;height:52px}}.topbar{padding-top:env(safe-area-inset-top,0)}.footer{padding-bottom:calc(24px + env(safe-area-inset-bottom,0))}