:root{--bg:#f4f5f7;--card:#fff;--line:#e5e8ee;--line2:#eef1f5;--ink:#1e2430;--dim:#6b7480;--dim2:#98a1ad;--brand:#2f6fed;--brand-weak:#eaf1ff;--amber:#a9751b;--amber-weak:#fdf5e6;--green:#2c7a54;--green-weak:#e9f5ef;--red:#bd3b3b;--red-weak:#fdeceb;--purple:#6b4fbb;--purple-weak:#f1ecfb}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}button{font:inherit;cursor:pointer}.top{height:56px;display:flex;align-items:center;gap:12px;padding:0 20px;background:#fff;border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:20}.top h1{font-size:15px;margin:0;font-weight:600}.top .sub{font-size:12px;color:var(--dim2)}.top .spacer{flex:1 1}.pill{font-size:12px;padding:3px 9px;border-radius:999px;color:var(--dim);background:#fafbfc}.btn,.pill{border:1px solid var(--line)}.btn{background:#fff;border-radius:7px;padding:6px 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