:root{--ink:#07152e;--blue:#1579ff;--cyan:#42c8ff;--muted:#64748b;--line:#dce5ef;--soft:#f4f8fc;--white:#fff;--radius:24px;--shadow:0 24px 70px rgba(7,21,46,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,239,.8)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:11px;align-items:center;font-weight:850;letter-spacing:-.03em}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--cyan)}.nav-links{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:700}.nav-links 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