:root{--navy:#0d1b2a;--ink:#17212b;--muted:#667585;--line:#dce4ea;--bg:#f6f8fa;--yellow:#f3b61f;--yellow2:#ffd35a;--green:#1d9d76;--shadow:0 16px 45px rgba(13,27,42,.1);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);line-height:1.65;background:#fff}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-shell{height:76px;display:flex;align-items:center;gap:18px}.brand,.brand img{width:188px}.main-nav{display:flex;align-items:center;gap:3px;margin-left:auto}.nav-link,.nav-drop-btn{border:0;background:transparent;padding:11px 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