:root {
      --bg: #121220; --surface: rgba(255,255,255,0.07); --surface2: rgba(255,255,255,0.11);
      --surface3: rgba(255,255,255,0.15); --accent: #a78bfa; --accent2: #38bdf8;
      --gold: #fbbf24; --text: #ededf2; --text-dim: #a8adc0; --green: #34d399;
      --blue: #60a5fa; --orange: #fb923c; --red: #f87171; --purple: #c084fc;
      --cyan: #22d3ee; --radius: 14px; --font: 'Inter',-apple-system,'Noto Sans TC',sans-serif;
    }
    *{margin:0;padding:0;box-sizing:border-box}
    body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
    body::before{content:'';position:fixed;top:0;left:0;width:100%;height:100%;
      background:radial-gradient(ellipse at 20% 50%,rgba(167,139,250,0.05) 0%,transparent 50%),
        radial-gradient(ellipse at 80% 20%,rgba(56,189,248,0.04) 0%,transparent 50%);
      z-index:-1;pointer-events:none}