:root{--bg:#f4f6f9;--surface:#ffffffe0;--text:#111827;--muted:#667085;--line:#e6eaf0;--primary:#111827;--primary-hover:#263244;--success:#16a36a;--success-soft:#eaf8f2;--danger:#c52a3a;--danger-soft:#fff1f2;--shadow:0 24px 60px #0f172a1a;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{background:#eef1f5;min-width:320px;min-height:100%}body{min-width:320px;min-height:100vh;color:var(--text);background:radial-gradient(circle at 12% 8%,#d6e0fff2,#0000 30%),radial-gradient(circle at 90% 18%,#dcfce7bf,#0000 28%),linear-gradient(#f7f8fb 0%,#eef1f5 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