:root{--aic-cyan:#22d3ee;--aic-violet:#a78bfa;--aic-amber:#fbbf24;--aic-green:#34d399;--aic-rose:#fb7185;--aic-bg:#0a0e17;--aic-line:rgba(167,139,250,0.22);--aic-grid-line:rgba(167,139,250,0.05);--aic-txt:#e5e7eb;--aic-sub:#94a3b8;--aic-muted:#64748b;--aic-face-bg:linear-gradient(160deg,rgba(255,255,255,0.04),rgba(255,255,255,0.01));--aic-shadow:0 10px 40px rgba(0,0,0,0.4)}.aic-page{background:var(--aic-bg);color:var(--aic-txt);min-height:100vh;font-family:"var(--font-body)",-apple-system,"Segoe UI",system-ui,sans-serif;background-image:radial-gradient(circle at 20% 10%,rgba(34,211,238,.08) 0,transparent 40%),radial-gradient(circle at 80% 20%,rgba(167,139,250,.08) 0,transparent 40%),linear-gradient(var(--aic-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--aic-grid-line) 1px,transparent 1px);background-size:auto,auto,42px 42px,42px 42px}.aic-head{max-width:1100px;margin:0 auto;padding:52px 24px 8px;text-align:center}.aic-kicker{color:var(--aic-cyan);letter-spacing:.35em;font-size:12px;text-transform:uppercase;margin-bottom:14px}.aic-title{font-size:36px;font-weight:800;letter-spacing:.02em;font-family:var(--font-display),-apple-system,"Segoe UI",sans-serif;margin:0;background:linear-gradient(90deg,#22d3ee,#a78bfa,#fbbf24);-webkit-background-clip:text;background-clip:text;color:transparent}.aic-sub{color:var(--aic-sub);margin:10px auto 0;font-size:15px;max-width:640px}.aic-pillars{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:26px auto 4px;max-width:900px}.aic-pillar{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:6px 14px;border:1px solid var(--aic-line);border-radius:999px;color:var(--aic-sub)}.aic-pillar-dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}.aic-count{color:var(--aic-muted);font-size:12px;margin-top:8px;letter-spacing:.05em}.aic-grid{max-width:1180px;margin:28px auto;padding:0 24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:24px;gap:24px}@media (max-width:360px){.aic-grid{grid-template-columns:minmax(0,1fr)}}.aic-card{perspective:1400px;height:400px;cursor:pointer}.aic-inner{position:relative;width:100%;height:100%;transition:transform .7s;transform-style:preserve-3d}.aic-card.is-flipped .aic-inner{transform:rotateY(180deg)}@media (hover:hover) and (pointer:fine){.aic-card:hover .aic-inner{transform:rotateY(180deg)}}.aic-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:18px;padding:24px;border:1px solid var(--aic-line);background:var(--aic-face-bg);box-shadow:var(--aic-shadow);display:flex;flex-direction:column;overflow:hidden}.aic-face.aic-cyan{border-top:3px solid var(--aic-cyan)}.aic-face.aic-violet{border-top:3px solid var(--aic-violet)}.aic-face.aic-amber{border-top:3px solid var(--aic-amber)}.aic-face.aic-green{border-top:3px solid var(--aic-green)}.aic-face.aic-rose{border-top:3px solid var(--aic-rose)}.aic-pillar-tag{display:inline-block;font-size:9px;letter-spacing:.18em;text-transform:uppercase;padding:4px 10px;border-radius:6px;margin-bottom:14px;width:max-content;font-weight:600}.aic-cyan .aic-pillar-tag{color:var(--aic-cyan);background:rgba(34,211,238,.1)}.aic-violet .aic-pillar-tag{color:var(--aic-violet);background:rgba(167,139,250,.1)}.aic-amber .aic-pillar-tag{color:var(--aic-amber);background:rgba(251,191,36,.1)}.aic-green .aic-pillar-tag{color:var(--aic-green);background:rgba(52,211,153,.1)}.aic-rose .aic-pillar-tag{color:var(--aic-rose);background:rgba(251,113,133,.1)}.aic-term{font-size:21px;font-weight:800;letter-spacing:.02em;margin-bottom:10px;font-family:var(--font-mono),ui-monospace,"SF Mono",Menlo,monospace;color:var(--aic-txt)}.aic-one-liner{color:var(--aic-sub);font-size:13.5px;line-height:1.6;flex:1 1}.aic-hint{margin-top:auto;font-size:10px;color:var(--aic-muted);letter-spacing:.15em;text-transform:uppercase}.aic-back{transform:rotateY(180deg)}.aic-back .aic-term{font-size:16px;margin-bottom:10px;color:var(--aic-txt)}.aic-plain{font-size:13px;line-height:1.65;color:var(--aic-txt);flex:0 0 auto}.aic-why{margin-top:12px;padding:11px 13px;border-radius:10px;background:rgba(255,255,255,.04);border-left:3px solid var(--aic-cyan)}.aic-why b{display:block;font-size:10px;letter-spacing:.1em;color:var(--aic-sub);margin-bottom:5px;text-transform:uppercase}.aic-why p{font-size:12.5px;line-height:1.55;color:var(--aic-txt);margin:0}.aic-links{margin-top:12px;border-top:1px solid rgba(167,139,250,.25);padding-top:10px;display:flex;flex-direction:column;gap:7px;overflow:hidden}.aic-link-row{font-size:11.5px;line-height:1.5;color:var(--aic-sub)}.aic-link-row b{color:var(--aic-txt);font-weight:600;letter-spacing:.05em;text-transform:uppercase;font-size:9.5px;display:block;margin-bottom:2px}.aic-link-row a{color:var(--aic-cyan);text-decoration:none;font-weight:600;word-break:break-all}.aic-link-row a:hover{text-decoration:underline}.aic-link-row a:focus-visible{outline:2px solid var(--aic-txt);outline-offset:2px;border-radius:2px}.aic-link-detail{color:var(--aic-muted)}.aic-star{color:var(--aic-amber);font-weight:600}.aic-anchor{scroll-margin-top:96px}.aic-footer-note{color:var(--aic-muted);font-size:12px;line-height:1.8;text-align:center;padding:10px 24px 60px;margin:0 auto;max-width:1100px}