:root{--bg:#10131d;--panel:#1a2030;--ink:#f2f5fd;--muted:#afb7c7;--line:#343c50;--lime:#d9ff63;--purple:#bba9ff;--blue:#8fceff;--orange:#ffb887;--pink:#f9a6c8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid var(--lime);outline-offset:5px}header{max-width:1200px;padding:28px 32px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.logo{font-size:26px;font-weight:900;letter-spacing:-1.5px;display:flex;align-items:center;gap:11px}.mark{display:flex;align-items:center;justify-content:center;background:var(--lime);color:var(--bg);width:38px;height:38px;border-radius:10px;font-size:27px;letter-spacing:-1px}.logo 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