:root{--bg: #06060f;--surface: rgba(20, 20, 40, .5);--border: rgba(255, 255, 255, .08);--blue: #00d4ff;--purple: #8b5cf6;--pink: #f472b6;--text: #e2e8f0;--text-secondary: #94a3b8;--radius: 20px}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif;min-height:100vh;overflow-x:hidden}.aurora{position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 20%,rgba(0,212,255,.08) 0%,transparent 50%),radial-gradient(circle at 70% 60%,rgba(139,92,246,.08) 0%,transparent 50%),radial-gradient(circle at 50% 80%,rgba(244,114,182,.05) 0%,transparent 50%);animation:auroraShift 20s ease-in-out infinite;z-index:0;pointer-events:none}@keyframes 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