:root{--bg:#0d0f15;--panel:#141821;--panel2:#1a1f2b;--bd:#2a3040;--mut:#a0aabe;--txt:#e8ebf0;--accent:#8caeff;--green:#34d399;--red:#f87171;--amber:#f0b66a;font-family:Inter,"Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;color:var(--txt);background:var(--bg);font-size:16px;color-scheme:dark}*{box-sizing:border-box}body{margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,summary{font:inherit}button,summary{cursor:pointer}.topbar{height:76px;border-bottom:1px solid var(--bd);padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:720;color:var(--txt);letter-spacing:-.5px}.brand-icon{background:#bad0ff;color:#142240;border-radius:8px;font-size:15px;padding:9px 7px;letter-spacing:-1px}.brand-caption{font-size:14px;color:var(--mut);font-weight:400;border-left:1px solid 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