:root{color-scheme:light;--bg:#f5f7fa;--fg:#263445;--navy:#16324f;--muted:#5c6c7b;--line:#dce3ea;--accent:#087f8c;--accent-hover:#066773;--accent-soft:#eaf5f6;--warm:#e9a23b;--card:#fff}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font-family:PingFang TC,Microsoft JhengHei,Noto Sans TC,sans-serif;line-height:1.7}a{color:var(--accent);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,summary,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}svg{vertical-align:middle;flex-shrink:0}h1,h2,h3{color:var(--navy);overflow-wrap:anywhere;line-height:1.45}h1{letter-spacing:-.025em;font-size:clamp(1.7rem,3vw,2.2rem)}h2{font-size:1.5rem}p{overflow-wrap:anywhere}:focus-visible{outline:3px solid 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24px;display:flex;position:relative}.brand{color:var(--navy);white-space:nowrap;align-items:center;gap:11px;font-size:1.125rem;font-weight:750;text-decoration:none;display:inline-flex}.brand-wordmark{color:var(--accent);letter-spacing:-.045em;font-size:1.625rem;font-weight:800;line-height:1.2}.brand-tools{color:var(--navy)}.desktop-nav{align-items:center;gap:6px;margin-left:auto;display:flex}.desktop-nav>a,.category-menu>summary{min-height:44px;color:var(--fg);cursor:pointer;border-radius:7px;align-items:center;gap:8px;padding:10px 12px;font-size:.9375rem;text-decoration:none;display:flex}.desktop-nav>a:hover,.category-menu>summary:hover,.desktop-nav [aria-current=page],.desktop-nav .is-active{color:var(--accent);background:var(--accent-soft)}.header-search{border:1px solid var(--line);min-height:44px;color:var(--navy);white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:9px 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