:root{--bg:#fff;--fg:#172033;--muted:#637083;--line:#e6eaf0;--card:#fff;--soft:#f4f7fb;--primary:#2d64d8;--primary2:#7147d8;--accent:#b87518;--success:#148a5b;--radius:12px;--shadow:0 1px 2px rgba(25,38,60,.06),0 12px 32px rgba(25,38,60,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font-family:Inter,ui-sans-serif,system-ui,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}h1,h2,h3{font-family:Sora,Inter,ui-sans-serif,system-ui,sans-serif;line-height:1.12;margin:0;letter-spacing:0}p{margin:0}.container{width:100%;max-width:1152px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid 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