spm=a313x.7781069.0.da5a778a4&cid=20293 * 找不到再从 iconfont.com 搜索 */ // 公式 export const SIGMA_SVG = `<svg viewBox="0 0 1024 1024"><path d="M941.6 734.72L985.984 640H1024l-64 384H0v-74.24l331.552-391.2L0 227.008V0h980L1024 256h-34.368l-18.72-38.88C935.584 143.7...