:root{--ink:#182b45;--muted:#596b80;--blue:#2c51ae;--line:#d8e1eb;--bg:#f4f6fa;--green:#285d4c;--amber:#856028;--red:#963e44;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit;color:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #8aa7d6;outline-offset:3px}[hidden]{display:none!important}.shell{max-width:1240px;width:calc(100% - 64px);margin:auto}.eval-nav{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:84px;border-bottom:1px solid var(--line)}.wordmark{font-size:20px;font-weight:600;color:var(--ink)}.eval-nav 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