:root{--bg:#f5f7fb;--panel:rgba(255,255,255,0.94);--panel-solid:#ffffff;--text:#172033;--muted:#667085;--line:rgba(23,32,51,0.12);--line-strong:rgba(23,32,51,0.18);--red:#d3273f;--red-soft:#fff0f3;--blue:#2368d9;--blue-soft:#eef5ff;--green:#13834d;--green-soft:#edf8f1;--amber:#a96800;--amber-soft:#fff7e8;--teal:#0f766e;--teal-soft:#ecfdf8;--shadow:0 20px 60px rgba(23,32,51,0.09);--shadow-soft:0 12px 28px rgba(23,32,51,0.06)}*{box-sizing:border-box}html{min-width:320px}body{min-height:100vh;margin:0;background:linear-gradient(180deg,rgba(220,231,248,.9) 0,rgba(245,247,251,0) 420px),linear-gradient(90deg,rgba(211,39,63,.08),rgba(35,104,217,.07) 46%,rgba(19,131,77,.06)),var(--bg);color:var(--text);font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif}a{color:inherit;text-decoration:none}a,button{-webkit-tap-highlight-color:transparent}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid 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