:root{color-scheme:dark;--bg:#080808;--surface:#121212;--surface-2:#191919;--text:#f5f3ee;--muted:#bcbcbc;--line:#363636;--red:#a92f38;--red-bright:#d44a54;--blue:#b9d9ec;--max:1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 85% 0,#252525 0,transparent 30%),var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}.guide-header{position:sticky;top:0;z-index:10;background:#050505ee;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.guide-nav{max-width:var(--max);min-height:72px;margin:auto;padding:10px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}.guide-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;font-size:20px;line-height:1.05}.guide-brand img{width:42px;height:42px;object-fit:contain;padding:3px;background:#f5f3ee;border-radius:10px}.guide-actions{display:flex;align-items:center;gap:10px}.guide-actions a{padding:8px 12px;border:1px solid var(--line);border-radius:8px;text-decoration:none;font-weight:700;font-size:14px}.guide-actions .primary,.guide-cta .primary{background:#f5f3ee;color:#111;border-color:#fff}.guide-shell{max-width:var(--max);margin:auto;padding:0 22px}.guide-hero{padding:84px 0 58px;max-width:820px}.eyebrow{display:block;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.14em}.guide-hero h1{font-size:clamp(38px,7vw,68px);line-height:1.02;letter-spacing:-.04em;margin:13px 0 22px}.guide-hero p{max-width:720px;color:var(--muted);font-size:19px}.guide-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.guide-cta a{padding:12px 17px;border:1px solid var(--line);border-radius:9px;text-decoration:none;font-weight:850}.guide-note{padding:17px 19px;border-left:4px solid var(--red-bright);background:#a92f381c;border-radius:8px;color:#ddd}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:34px;padding-bottom:70px}.guide-content article{margin-bottom:18px;padding:28px;border:1px solid var(--line);border-radius:15px;background:var(--surface)}.guide-content h2{margin:0 0 12px;font-size:27px;line-height:1.2}.guide-content h3{margin:24px 0 6px}.guide-content p,.guide-content li{color:#d1d1d1}.guide-content strong{color:#fff}.guide-content table{width:100%;border-collapse:collapse;margin:18px 0}.guide-content th,.guide-content td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}.guide-content th{color:var(--blue);font-size:13px}.formula{overflow:auto;padding:18px;border:1px solid #4b4b4b;border-radius:9px;background:#070707;color:#fff;font:700 15px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}.guide-toc{position:sticky;top:94px;align-self:start;padding:20px;border:1px solid var(--line);border-radius:13px;background:var(--surface-2)}.guide-toc strong{display:block;margin-bottom:10px}.guide-toc a{display:block;padding:6px 0;color:var(--muted);text-decoration:none}.guide-toc a:hover{color:#fff}.faq details{padding:14px 0;border-top:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:800}.guide-footer{padding:32px 22px;text-align:center;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.guide-footer nav{display:flex;justify-content:center;flex-wrap:wrap;gap:18px;margin-bottom:8px}.guide-footer a{text-decoration:none}@media(max-width:760px){.guide-actions a:not(.primary){display:none}.guide-layout{grid-template-columns:1fr}.guide-toc{position:static;grid-row:1}.guide-content article{padding:21px}.guide-hero{padding-top:58px}.guide-content table{font-size:14px}.guide-content th,.guide-content td{padding:9px 7px}}
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