body, button, h1, h2, h3, h4, h5, h6, input, select, textarea, span, .label, span .label, * {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimSun, sans-serif;
}