*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}img{max-width:100%;display:block}a{color:var(--brand);text-decoration:none}button{font-family:inherit;cursor:pointer}::selection{background:#2563eb2e;color:var(--ink)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--ink-3)}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}.container{max-width:1200px;margin:0 auto;padding:0 32px}section{padding:112px 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solid transparent;line-height:1;transition:transform .18s var(--ease-out),border-color .18s,background .18s,box-shadow .18s;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-strong);box-shadow:0 8px 24px -10px #2563eb66}.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border-strong)}.btn-ghost:hover{border-color:var(--ink-3);background:var(--surface-2)}.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:12px}.back-btn{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:100px;background:var(--surface);border:1px solid var(--border-strong);color:var(--ink-2);font-size:13px;font-weight:500;text-decoration:none;font-family:var(--font);transition:all .18s var(--ease-out)}.back-btn svg{flex-shrink:0;transition:transform .18s 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var(--border)}.idx{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:1px;display:inline-flex;align-items:center;gap:8px;margin-bottom:16px}.idx:after{content:"";width:28px;height:1px;background:var(--border-strong)}.idx.cyan{color:var(--brand)}.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s var(--ease-out);transition-delay:var(--reveal-delay, 0s)}.reveal.visible{opacity:1;transform:none}.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}.marquee-track{display:flex;width:max-content;animation:marquee 36s linear infinite}.marquee:hover .marquee-track{animation-play-state:paused}@keyframes 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