:root{--bg:#0a0a0f;--bg-elev:#12121b;--surface:rgba(255,255,255,0.04);--surface-2:rgba(255,255,255,0.06);--border:rgba(255,255,255,0.08);--border-strong:rgba(255,255,255,0.16);--text:#f5f5f7;--text-muted:#a1a1aa;--text-dim:#71717a;--accent:#8b5cf6;--accent-2:#d946ef;--accent-3:#6366f1;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--gradient:linear-gradient(135deg,#6366f1,#8b5cf6 50%,#d946ef);--gradient-soft:linear-gradient(135deg,rgba(99,102,241,0.15),rgba(217,70,239,0.15));--radius:16px;--radius-sm:10px;--shadow:0 10px 40px -12px rgba(0,0,0,0.6);--shadow-glow:0 8px 40px -8px rgba(139,92,246,0.45);--max-width:1200px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;background-image:radial-gradient(60% 50% at 15% 0,rgba(99,102,241,.12) 0,transparent 60%),radial-gradient(50% 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