:root{--primary:#4a90e2;--primary-light:#ebf3fc;--primary-dark:#357abd;--bg:#f0f5fa;--card-bg:#fff;--text-primary:#1a1a2e;--text-secondary:#6b7280;--text-muted:#9ca3af;--border:#e2e8f0;--border-light:#f1f5f9;--shadow-sm:0 1px 3px #0000000a;--shadow-md:0 2px 8px #0000000f;--radius:10px;--radius-sm:6px;--ear-right:#dc2626;--ear-right-bg:#fef2f2;--ear-right-border:#fecaca;--ear-left:#2563eb;--ear-left-bg:#eff6ff;--ear-left-border:#bfdbfe}body{background:var(--bg);color:var(--text-primary);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}.ant-btn-primary{background:var(--primary)!important;border-color:var(--primary)!important;border-radius:var(--radius-sm)!important;box-shadow:0 2px 4px 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