:root{--dark:#08090b;--panel:#11151b;--muted:#6d7480;--text:#161a20;--white:#fff;--line:#e7e8ea;--orange:#f36b21;--orange2:#ff9a3d;--silver:#d8dde3}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--text);background:#f5f6f7;line-height:1.7}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:14px 6vw;background:rgba(8,9,11,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}.brand{display:flex;align-items:center;gap:12px;color:#fff}.brand img{width:42px;height:42px;border-radius:50%;object-fit:cover;border:1px solid rgba(255,255,255,.2)}.brand b{display:block;font-size:18px;letter-spacing:.08em}.brand 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