:root{--bg: #f4f5fb;--surface: #ffffff;--border: #e4e7ec;--text: #1f2328;--text-muted: #5b636e;--accent: #4f46e5;--accent-hover: #4338ca;--accent-soft: #eef2ff;--accent-grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--danger: #dc2626;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow: 0 4px 16px rgba(16, 24, 40, .08);--shadow-lg: 0 12px 28px rgba(79, 70, 229, .12);--radius: 14px;--radius-sm: 10px;--space: 16px;--max-width: 880px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;background:radial-gradient(1100px 380px at 50% -120px,var(--accent-soft) 0%,rgba(238,242,255,0) 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