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var(--border);background:#0d0d0d;color:var(--fg-muted);cursor:pointer;font-family:inherit;font-size:12px;display:inline-flex;align-items:center;gap:6px}.copy-cmd .copy-btn:hover{color:var(--fg);background:#161616}.copy-hint{font-family:var(--font-mono);font-size:11px;color:var(--fg-dim)}footer{border-top:1px solid var(--border);padding:48px 0 56px;margin-top:32px}.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}@media(max-width:720px){.foot-grid{grid-template-columns:1fr 1fr}}.foot-col h4{margin:0 0 12px;font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-dim)}.foot-col a{display:block;font-size:13px;color:var(--fg-muted);padding:4px 0}.foot-col a:hover{color:var(--fg)}.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:var(--font-mono);font-size:11.5px;color:var(--fg-dim);flex-wrap:wrap}.section-tag{display:flex;align-items:center;gap:12px;margin-bottom:56px}.section-tag .num{font-family:var(--font-mono);font-size:11px;color:var(--fg-dim)}.section-tag .line{height:1px;background:var(--border);flex:1}.flex{display:flex}.gap-2{gap:8px}.gap-3{gap:12px}.items-center{align-items:center}@media(max-width:880px){.ni-row{grid-template-columns:1fr!important}}.fade-in{animation:fadeIn .6s ease both}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}