:root{--brand-primary:#287cb6;--brand-secondary:#30a1e5;--brand-accent:#4ab6f6;--surface:#fff;--surface-alt:#f3f6f8;--text-primary:#182d3e;--text-secondary:#526777;--border:#dde5ea;--category-new:#246b9e;--category-improvement:#27734e;--category-fix:#936000;--category-tip:#70549c;--font:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--surface);color:var(--text-primary);font-family:var(--font);line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid 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