:root{--navy:#102b59;--gold:#d7a817;--cream:#fff9e9;--paper:#fffdf7;--ink:#1e2633;--muted:#737985;--line:#e9dfc7;--shadow:0 12px 30px #18263b18}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}header{height:68px;position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:8px 18px;background:#fffdf7f2;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}header button,.profile button{border:0;background:transparent;color:var(--navy);font-weight:800}.brand{display:flex;align-items:center;gap:10px}.brand b{font-size:30px;font-style:italic;color:var(--navy)}.brand b span{color:var(--gold)}.brand strong{display:block;font-family:"Songti TC","Noto Serif TC",serif}.brand 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