:root{--bg:#fff;--bg-soft:#f5f5f7;--bg-elevated:#fbfbfd;--text:#1d1d1f;--text-soft:#6e6e73;--text-faint:#86868b;--accent:#0071e3;--accent-hover:#0077ed;--accent-soft:#e8f1fd;--line:#d2d2d7;--line-soft:#e8e8ed;--success:#1d8a4e;--radius:18px;--radius-lg:28px;--maxw:1080px;--shadow-sm:0 2px 8px #0000000a;--shadow-md:0 10px 40px #00000014;--shadow-lg:0 30px 80px #0000001f;--font:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font);color:var(--text);background:var(--bg);letter-spacing:-.01em;line-height:1.5}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}::selection{background:var(--accent-soft)}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:120px 0}.section-tight{padding:80px 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