:root{--bg:#070907;--panel:#111411;--panel2:#171b17;--text:#f3f6ef;--muted:#9aa397;--line:#2a3028;--green:#76b900;--green2:#a6e22e;--yellow:#e3ff62;--shadow:0 24px 80px #0008;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:'Noto Sans TC',sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,80px);position:sticky;top:0;background:#070907e8;backdrop-filter:blur(16px);border-bottom:1px solid var(--line);z-index:20}.brand{display:flex;align-items:center;gap:12px;font:600 13px 'IBM Plex Mono',monospace;letter-spacing:.08em}.brand-mark{display:grid;place-items:center;width:28px;height:28px;background:var(--green);color:#050705;font-weight:900}.topbar nav{display:flex;gap:32px;color:var(--muted);font-size:14px}.topbar nav 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