:root{--bg:#0b0f14;--panel:#121923;--panel2:#182231;--text:#f4f7fb;--muted:#a8b3c2;--line:#273446;--accent:#7dd3fc;--accent2:#a7f3d0;--warn:#fde68a;--danger:#fecaca;--max:1120px;--r:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#0b0f14,#0d131b 35%,#0b0f14);color:var(--text);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img,svg{max-width:100%}button,input,select{font:inherit}.wrap{max-width:var(--max);margin:auto;padding:0 20px}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;background:white;color:black;padding:8px 12px;z-index:999}.topbar{border-bottom:1px solid var(--line);background:rgba(11,15,20,.88);backdrop-filter:blur(12px);position:sticky;top:0;z-index:50}.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{font-weight:800;letter-spacing:-.03em;color:white;font-size:20px}.brand span{color:var(--accent)}.navlinks{display:flex;gap:18px;align-items:center}.navlinks a{color:#dfe7f2;font-size:14px}.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#101722;border-radius:999px;padding:7px 11px;color:#dbe6f4;font-size:13px}.hero{padding:68px 0 34px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}.eyebrow{color:var(--accent2);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase}.hero h1{font-size:clamp(42px,6vw,74px);line-height:.98;letter-spacing:-.055em;margin:.18em 0}.hero p{font-size:19px;color:var(--muted);max-width:700px}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.primary{background:var(--accent);color:#071018}.btn.secondary{background:#182231;color:white;border:1px solid var(--line)}.hero-card,.card,.tool{background:linear-gradient(180deg,var(--panel),#101722);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 18px 60px rgba(0,0,0,.22)}.hero-card{padding:28px}.bit-visual{height:220px;border-radius:16px;border:1px solid var(--line);display:grid;place-items:center;background:radial-gradient(circle at 50% 42%,#1f2d3f,#101722 62%)}.star{width:128px;height:128px}.section{padding:42px 0}.section h2{font-size:34px;letter-spacing:-.03em;margin:0 0 10px}.section .lead{color:var(--muted);max-width:780px;margin:0 0 24px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:22px}.card h3{margin:8px 0 4px}.card p{color:var(--muted);margin:0}.kicker{font-size:12px;color:var(--accent2);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.tool{padding:26px}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.opt{padding:14px;text-align:left;background:#121c29;color:white;border:1px solid var(--line);border-radius:12px;cursor:pointer}.opt:hover,.opt.active{border-color:var(--accent);background:#172639}.result{background:#0d1520;border:1px solid var(--line);border-radius:14px;padding:18px;min-height:220px}.result h3{margin-top:0}.tag{display:inline-block;padding:4px 8px;border:1px solid var(--line);border-radius:999px;font-size:12px;margin:3px;color:#dce8f6}.note{border-left:3px solid var(--warn);padding:10px 14px;background:#191a17;color:#e9e6d8;border-radius:8px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}.table th{color:#d9e8f8}.table td{color:#b8c3d1}.share{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.share button,.share a{border:1px solid var(--line);background:#121b27;color:#e8eef7;border-radius:10px;padding:8px 10px;cursor:pointer}.breadcrumbs{padding-top:26px;color:#8390a0;font-size:13px}.article{max-width:820px}.article h1{font-size:46px;letter-spacing:-.04em;line-height:1.05}.article h2{margin-top:34px}.article p,.article li{color:#c3cedb}.toc{border:1px solid var(--line);background:#101722;padding:16px 18px;border-radius:14px}.faq details{border-top:1px solid var(--line);padding:14px 0}.faq summary{font-weight:700;cursor:pointer}.footer{border-top:1px solid var(--line);margin-top:54px;padding:34px 0 50px;color:#8f9aa8}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.footer a{display:block;color:#aeb9c7;margin:6px 0}.small{font-size:13px;color:#8f9aa8}.cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:760px;margin:auto;background:#111923;border:1px solid #314157;border-radius:16px;padding:18px;z-index:100;box-shadow:0 20px 80px rgba(0,0,0,.45)}.cookie[hidden]{display:none}.cookie-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.cookie button{border-radius:10px;border:1px solid var(--line);padding:9px 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