:root{--ink:#1a1a1a;--ink2:#6b6b6b;--ink3:#9b9b9b;--line:#ececec;--line2:#e4e4e2;--blue:#1f6dff;--blueInk:#1b4fb0;--blueBg:#eaf1fe;--bg:#fbfbfb;--soft:#f4f4f2;--green:#1d9e75;--greenBg:#e1f5ee;--amber:#854f0b;--amberBg:#faeeda;--r:12px;--rlg:16px}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--ink)}body{font-family:Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}a{color:inherit}.wrap{max-width:640px;margin:0 auto;padding:0 24px}.wm{font-weight:600;font-size:20px;letter-spacing:-1px;color:var(--blue);line-height:1}nav{border-bottom:1px solid var(--line);background:var(--bg);position:-webkit-sticky;position:sticky;top:0;z-index:10}.nav-inner{max-width:880px;margin:0 auto;padding:0 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