:root{--bg:#f7f8fa;--paper:#fff;--ink:#182033;--muted:#778093;--line:#e5e9f0;--accent:#5853ee;--soft:#f0efff;--green:#278673}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink)}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button,a,input,summary{outline-offset:4px}a:focus-visible,button:focus-visible{outline:2px solid var(--accent)}.nav,main,footer{max-width:1180px;margin:auto}.nav{display:flex;justify-content:space-between;align-items:center;height:90px;border-bottom:1px solid var(--line)}.brand{font-size:24px;font-weight:800;letter-spacing:-1px}.brand span{font-weight:450}.brand i{color:var(--accent);font-style:normal;margin-left:8px}.nav nav{display:flex;align-items:center;gap:30px;font-size:12px;font-weight:600}.nav-cta{background:var(--ink);color:white;padding:10px 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