:root{--ink:#101a36;--navy:#09142f;--blue:#2547d0;--violet:#6857ed;--mint:#51e5cf;--bg:#f5f7fb;--card:#fff;--line:#e4e9f3;--muted:#64748b;--ok:#167c4a;--warn:#b7791f;--danger:#c24141;--shadow:0 18px 50px rgba(16,30,70,.10);--sans:"Microsoft YaHei","微软雅黑","Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB",Arial,sans-serif;--mono:"SFMono-Regular",Menlo,Monaco,Consolas,"Microsoft YaHei","微软雅黑",monospace}