:root{--navy:#071057;--navy2:#111f78;--coral:#ff6545;--mint:#58e6ad;--ink:#11162f;--paper:#fbfbff;--soft:#f0f3ff;--line:#dfe4f6;--muted:#626982}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.site-nav{position:sticky;top:0;z-index:20;background:rgba(251,251,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(7,16,87,.08)}.nav-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:850;letter-spacing:-.02em}.brand img{width:44px;height:44px;border-radius:13px}.brand 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