.brand[data-astro-cid-idyy6ddf]{color:var(--color-ink);flex-shrink:0;align-items:center;gap:.7rem;text-decoration:none;display:inline-flex}.brand[data-astro-cid-idyy6ddf] strong[data-astro-cid-idyy6ddf]{letter-spacing:.06em;font-size:1.2rem;line-height:1.5;display:block}.brand[data-astro-cid-idyy6ddf] small[data-astro-cid-idyy6ddf]{font-family:var(--font-data);letter-spacing:.19em;font-size:.64rem;line-height:1.7;display:block}.inverse[data-astro-cid-idyy6ddf]{color:#fff}.inverse[data-astro-cid-idyy6ddf] svg[data-astro-cid-idyy6ddf] path[data-astro-cid-idyy6ddf]{fill:var(--color-ink)}.site-header[data-astro-cid-vwn3tmth]{z-index:30;background:var(--color-paper);border-bottom:1px solid var(--color-line);position:sticky;top:0}.header-inner[data-astro-cid-vwn3tmth]{justify-content:space-between;align-items:center;gap:2rem;height:84px;display:flex}.desktop-nav[data-astro-cid-vwn3tmth]{align-items:stretch;gap:1.8rem;height:100%;margin-left:auto;display:flex}.desktop-nav[data-astro-cid-vwn3tmth] a[data-astro-cid-vwn3tmth]{align-items:center;font-size:.9rem;font-weight:600;text-decoration:none;display:flex;position:relative}.desktop-nav[data-astro-cid-vwn3tmth] a[data-astro-cid-vwn3tmth]:hover,a[data-astro-cid-vwn3tmth][aria-current]{color:var(--color-felt)}.desktop-nav[data-astro-cid-vwn3tmth] a[data-astro-cid-vwn3tmth][aria-current]:after{content:"";background:var(--color-felt);height:2px;position:absolute;bottom:0;left:0;right:0}.header-actions[data-astro-cid-vwn3tmth]{align-items:center;gap:.5rem;display:flex}.search-link[data-astro-cid-vwn3tmth]{justify-content:center;align-items:center;gap:.6rem;min-width:44px;min-height:44px;font-size:.85rem;text-decoration:none;display:flex}.mobile-nav[data-astro-cid-vwn3tmth]{display:none}@media (width<=1100px){.desktop-nav[data-astro-cid-vwn3tmth]{gap:1.15rem}.header-inner[data-astro-cid-vwn3tmth]{gap:1rem}}@media (width<=1023px){.header-inner[data-astro-cid-vwn3tmth]{height:72px}.desktop-nav[data-astro-cid-vwn3tmth],.search-link[data-astro-cid-vwn3tmth] span[data-astro-cid-vwn3tmth]{display:none}.mobile-nav[data-astro-cid-vwn3tmth]{display:block}summary[data-astro-cid-vwn3tmth]{cursor:pointer;place-items:center;width:44px;height:44px;list-style:none;display:grid}summary[data-astro-cid-vwn3tmth]::-webkit-details-marker{display:none}.menu-lines[data-astro-cid-vwn3tmth],.menu-lines[data-astro-cid-vwn3tmth]:after{background:var(--color-ink);width:20px;height:2px;display:block;position:relative}.menu-lines[data-astro-cid-vwn3tmth]:after{content:"";top:7px}.menu-lines[data-astro-cid-vwn3tmth]{top:-3px}.mobile-nav[data-astro-cid-vwn3tmth] nav[data-astro-cid-vwn3tmth]{background:var(--color-surface);padding:1rem var(--gutter) 1.5rem;border-bottom:1px solid var(--color-line);box-shadow:var(--shadow-lifted);position:absolute;top:100%;left:0;right:0}.mobile-nav[data-astro-cid-vwn3tmth] nav[data-astro-cid-vwn3tmth] a[data-astro-cid-vwn3tmth]{border-bottom:1px solid var(--color-line);justify-content:space-between;padding:.85rem 0;text-decoration:none;display:flex}}.site-footer[data-astro-cid-qup6pdxl]{background:var(--color-ink);color:#fff;padding-block:4.5rem 1.5rem}.site-footer[data-astro-cid-qup6pdxl] [data-astro-cid-qup6pdxl]:focus-visible{outline-color:#fff}.footer-grid[data-astro-cid-qup6pdxl]{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:3rem;display:grid}.footer-brand[data-astro-cid-qup6pdxl] p[data-astro-cid-qup6pdxl]{margin-top:1.5rem;font-size:1rem;line-height:1.9}h2[data-astro-cid-qup6pdxl]{margin-bottom:1.1rem;font-size:.9rem}.footer-grid[data-astro-cid-qup6pdxl]>div[data-astro-cid-qup6pdxl]>a[data-astro-cid-qup6pdxl]{width:fit-content;padding-block:.4rem;font-size:.85rem;text-decoration:none;display:block}.footer-grid[data-astro-cid-qup6pdxl] a[data-astro-cid-qup6pdxl]:hover{text-decoration:underline}.footer-note[data-astro-cid-qup6pdxl] p[data-astro-cid-qup6pdxl]{margin-bottom:.5rem;font-size:.85rem;line-height:1.95}.footer-bottom[data-astro-cid-qup6pdxl]{border-top:1px solid #fff3;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-top:3rem;padding-top:1.5rem;font-size:.72rem;display:flex}.footer-bottom[data-astro-cid-qup6pdxl] div[data-astro-cid-qup6pdxl]{gap:1.2rem;display:flex}.footer-bottom[data-astro-cid-qup6pdxl] a[data-astro-cid-qup6pdxl]{padding-block:.5rem;text-decoration:none}.footer-sign[data-astro-cid-qup6pdxl]{font-family:var(--font-data);letter-spacing:.07em;font-size:.65rem}@media (width<=900px){.footer-grid[data-astro-cid-qup6pdxl]{grid-template-columns:repeat(2,1fr);gap:2.5rem}}@media (width<=500px){.site-footer[data-astro-cid-qup6pdxl]{padding-top:3rem}.footer-brand[data-astro-cid-qup6pdxl],.footer-note[data-astro-cid-qup6pdxl]{grid-column:1/-1}.footer-brand[data-astro-cid-qup6pdxl] p[data-astro-cid-qup6pdxl] br[data-astro-cid-qup6pdxl],.footer-sign[data-astro-cid-qup6pdxl]{display:none}}:root{--color-paper:#f3f6f8;--color-surface:#fff;--color-ink:#122d3c;--color-muted:#526674;--color-felt:#0b6654;--color-felt-raised:#155746;--color-ruby:#b63848;--color-line:#d5dfe5;--color-control-border:#7a8c96;--color-on-dark:#fff;--font-display:"Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;--font-body:"PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;--font-data:ui-monospace, "SFMono-Regular", Consolas, monospace;--text-body:1.125rem;--text-hero:clamp(2.6rem, 4.6vw, 4.5rem);--radius-small:.375rem;--radius-card:.75rem;--radius-panel:1.25rem;--container-wide:80rem;--container-reading:45rem;--gutter:clamp(1.25rem, 4vw, 3rem);--shadow-paper:0 2px 10px #122d3c0d;--shadow-lifted:0 16px 40px #122d3c24;--duration-fast:.14s;--duration-normal:.2s;--ease-editorial:cubic-bezier(.2, .7, .2, 1)}.prose{font-size:var(--text-body);overflow-wrap:anywhere;line-height:1.95}.prose>*+*{margin-top:1.25rem}.prose h2{margin-top:3.25rem;padding-top:.3rem;font-size:1.75rem;line-height:1.5}.prose h3{margin-top:2rem;font-size:1.3rem}.prose a{color:var(--color-felt)}.prose ul,.prose ol{padding-left:1.5rem}.prose li+li{margin-top:.6rem}.prose blockquote{border-left:3px solid var(--color-felt);color:var(--color-muted);margin-inline:0;padding:.25rem 1.4rem}.prose code{background:var(--color-paper);border-radius:3px;padding:.15em .4em;font-size:.9em}.prose pre{white-space:pre-wrap;background:var(--color-paper);border-radius:var(--radius-card);padding:1.4rem;font-size:.9rem;line-height:1.8}.prose pre code{font-size:inherit;background:0 0;padding:0}.prose pre[data-language=text]{color:var(--color-ink)!important;background:var(--color-paper)!important}.prose table{border-collapse:collapse;width:100%;margin-block:1.5rem;font-size:1rem;line-height:1.7}.prose th,.prose td{border-bottom:1px solid var(--color-line);text-align:left;vertical-align:top;padding:1rem .85rem}.prose th{background:var(--color-paper);font-weight:600}.prose hr{border:0;border-top:1px solid var(--color-line);margin-block:2.5rem}.prose strong{font-weight:700}@media (width<=600px){.prose th,.prose td{padding:.75rem .45rem}.prose h2{font-size:1.5rem}}*,:before,:after{box-sizing:border-box}html{color-scheme:light;scroll-behavior:smooth;scroll-padding-top:7rem}body{color:var(--color-ink);background:var(--color-paper);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;font-size:1rem;line-height:1.7}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-underline-offset:.25em}img,svg{max-width:100%}img{height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-family:var(--font-display);text-wrap:pretty;line-height:1.35}h1{letter-spacing:-.035em;font-size:clamp(2rem,4vw,3.5rem)}h2{letter-spacing:-.03em;font-size:clamp(1.7rem,2.6vw,2.5rem)}h3{font-size:1.35rem}::selection{background:var(--color-felt);color:#fff}:focus-visible{outline:3px solid var(--color-felt);outline-offset:5px;border-radius:2px}[id]{scroll-margin-top:7rem}.container{width:min(var(--container-wide), calc(100% - var(--gutter) * 2));margin-inline:auto}.section{padding-block:clamp(3.5rem,7vw,6rem)}.section-white{background:var(--color-surface)}.eyebrow{color:var(--color-felt);letter-spacing:.08em;align-items:center;gap:.65rem;margin-bottom:1.15rem;font-size:.8rem;font-weight:700;display:flex}.eyebrow:before{content:"";background:currentColor;width:1.5rem;height:2px}.eyebrow .english{color:var(--color-muted);font-family:var(--font-data);letter-spacing:.04em;font-weight:400}.muted{color:var(--color-muted)}.data{font-family:var(--font-data);font-variant-numeric:tabular-nums}.button{background:var(--color-felt);color:#fff;border:1px solid var(--color-felt);border-radius:var(--radius-small);min-height:48px;transition:background var(--duration-fast), transform var(--duration-fast);justify-content:center;align-items:center;gap:1.5rem;padding:.85rem 1.25rem;font-weight:600;line-height:1.5;text-decoration:none;display:inline-flex}.button:hover{background:var(--color-felt-raised);transform:translateY(-1px)}.button:active{transform:translateY(0)}.button:disabled{opacity:.55;cursor:not-allowed}.button.secondary{color:var(--color-ink);border-color:var(--color-control-border);background:0 0}.button.secondary:hover{background:var(--color-surface)}.text-link{min-height:44px;color:var(--color-felt);align-items:center;gap:1rem;font-weight:600;text-decoration-thickness:1px;display:inline-flex}.actions{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}.section-heading{justify-content:space-between;align-items:end;gap:2rem;margin-bottom:2.5rem;display:flex}.section-heading p{color:var(--color-muted);margin-top:.8rem}.tag{color:var(--color-felt);align-items:center;gap:.45rem;font-size:.8rem;font-weight:600;display:inline-flex}.tag svg{width:14px;height:14px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:#fff;padding:.75rem 1rem;position:fixed;top:-100px;left:1rem}.skip-link:focus{top:1rem}.page-heading{max-width:55rem;padding-block:3rem 3.5rem}.page-heading h1{margin-bottom:1.1rem}.page-heading .lead{color:var(--color-muted);max-width:42rem;font-size:1.2rem;line-height:1.85}.article-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem;display:grid}.notice{border-left:3px solid var(--color-felt);background:var(--color-surface);color:var(--color-muted);padding:1rem 1.2rem;font-size:.95rem}.notice strong{color:var(--color-ink)}.breadcrumb{color:var(--color-muted);flex-wrap:wrap;gap:.65rem;padding-top:1.75rem;font-size:.85rem;display:flex}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.empty{border:1px solid var(--color-line);border-radius:var(--radius-card);padding:2rem}.table-scroll{max-width:100%;overflow-x:auto}@media (width<=900px){.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=600px){.article-grid{grid-template-columns:1fr}.section-heading{flex-direction:column;align-items:start;gap:.75rem}.section-heading .text-link{margin-top:-.25rem}.eyebrow .english{display:none}.page-heading{padding-block:2rem 2.5rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}@media print{body{color:#000;background:#fff}.site-header,.site-footer,.no-print,.toc,.skip-link{display:none!important}.container{width:100%}a{color:#000}.section{padding-block:1.5rem}h1{font-size:26pt}h2,h3{break-after:avoid}figure,tr,.answer-summary{break-inside:avoid}}