:root{color-scheme:light;--bg:#edf1f2;--panel:#f9fbfb;--ink:#263d4d;--muted:#607583;--line:#cbd6dc;--accent:#35576b;--soft:#dfe8ec;--error:#a63e3e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}body.night{color-scheme:dark;--bg:#15242e;--panel:#1b303d;--ink:#e1eaef;--muted:#9db3c0;--line:#3b5260;--accent:#b5d1df;--soft:#263e4c;--error:#ffb2aa}button,input,textarea,select{font:inherit}button,a,label.upload{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:inherit;text-decoration:none}[hidden]{display:none!important}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.bar{max-width:1140px;width:88%;margin:auto;display:flex;justify-content:space-between;align-items:center;height:90px;border-bottom:1px solid var(--line)}.brand{font:34px Georgia,serif}.brand span{font:15px 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