:root{--ink:#18292f;--muted:#64757c;--accent:#126c63;--line:#e1e9e9;--paper:#f6f8f7;--blue:#1267cf}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font:15px/1.7 Inter,"Segoe UI",Arial,sans-serif;background:#fff}button,input,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #247bdf;outline-offset:3px}.header{max-width:1440px;min-height:88px;padding:18px 44px;display:flex;align-items:center;gap:36px;margin:auto;border-bottom:1px solid var(--line);background:#ffffffef}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:650;line-height:1.1;letter-spacing:-.7px}.brand img{object-fit:contain}.brand 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.course{transition:none}.course:hover{transform:none}}
.toolmark img{object-fit:contain;max-width:42px;max-height:42px}
