配色变量
    // 主题色
    —arc-color-primary: #EE2233;
    —arc-color-primary-background: #FDE7E9;
    //功能色
    —arc-color-info: #3b82f6; //blue 蓝色-500
    —arc-color-success: #10b981; //emerald 翠绿-500
    —arc-color-warning: #f59e0b; //ambe 琥珀色-500
    —arc-color-fail: #ef4444; //red红色-500
    //中性色
    —arc-color-font-base: #18181B; //zinc-900
    —arc-color-font-secondary: #52525B; //zinc-600(一级文字)
    —arc-color-font-disabled: #A1A1AA; //zinc-100(二级文字)
    —arc-color-font-placeholder: #A1A1AA; //zinc-400 (输入框提示文字\占位符文本)
    —arc-color-background: #F4F4F5; //zinc-100 (背景色)
    —arc-color-bar-background: rgba(255, 255, 255, 0.92);
    —arc-color-white: #FFFFFF;
    —arc-color-border: #A1A1AA; //zinc-400(边线色-用途暂不明)
    —arc-color-split-line: #D4D4D8; //zinc-300 (分割线)