:root{--bg:#0b0f14;--text:#e9eef5;--muted:#a8b8ca;--line:rgba(255,255,255,.10);--blue:#2997ff;--dark:#05080d;--light:#f5f5f7;--ink:#111318}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.top{position:sticky;top:0;background:rgba(7,10,15,.84);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.wrap{max-width:1120px;margin:0 auto;padding:12px 18px}
.bar{display:flex;justify-content:space-between;align-items:center}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;background:rgba(255,255,255,.03)}
.btn{padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:#152131;color:#fff}
.btn.primary{background:var(--blue);border-color:var(--blue)}
.light{background:var(--light);color:var(--ink)}
.light p{color:#4c5a6b}
.dark{background:var(--dark);color:#fff}