:root{--blue: #2563eb;--blue-dark: #1d4ed8;--blue-soft: #eef4ff;--ink: #0f172a;--ink-2: #334155;--muted: #64748b;--faint: #94a3b8;--line: #e6eaf0;--line-2: #eef1f5;--bg: #f5f7fa;--card: #ffffff;--ok: #15803d;--ok-bg: #dcfce7;--warn: #b45309;--warn-bg: #fef3c7;--danger: #dc2626;--danger-bg: #fee2e2;--radius: 16px;--radius-sm: 10px;--shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.05);--shadow-md: 0 6px 18px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.04);--shadow-lg: 0 18px 48px rgba(15,23,42,.18);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans", sans-serif}*{box-sizing:border-box}html,body{margin:0}body{font-family:var(--font);color:var(--ink);line-height:1.55;background:radial-gradient(1100px 600px at 50% -240px,#eaf0fb 0%,var(--bg) 55%) fixed;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.wrap{max-width:760px;margin:0 auto;padding:40px 20px 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