:root{color-scheme:light dark;--accent:#483cc8;--accent-strong:#2f249d;--accent-fill:#483cc8;--accent-fill-hover:#3d33af;--accent-tint:#483cc81a;--on-accent:#fff;--bg:#f7f6fd;--bg-subtle:#efeefb;--surface:#fff;--border:#e4e2f6;--control-border:#7e7aae;--text:#282f6c;--text-secondary:#4e5288;--text-tertiary:#636796;--warning:#8a5300;--warning-tint:#fbe6e2;--stitch:#c9c4f3;--stitch-strong:#8a81f2;--screen-gradient:linear-gradient(180deg, #9fc3fd 0%, #81b4fd 30%, #a9b9f0 52%, #d6b6da 74%, #f3b2aa 100%);--screen-top:#9fc3fd;--on-screen:#282f6c;--on-screen-secondary:#363a73;--glass-bg:#fff6;--glass-border:#ffffffbf;--pocket-gradient:linear-gradient(180deg, #5b4fd3 0%, #483cc8 40%, #2f249d 100%);--pocket-rim:#fff9;--pocket-stitch:#d5d2f9cc;--pocket-shadow:0 2rem 4rem -1.5rem #2f249d73;--on-pocket:#fff;--on-pocket-secondary:#eceaff;--pocket-overlap:clamp(3rem, 2rem + 5vw, 6.5rem);--pocket-curve:clamp(4.5rem, 2rem + 9vw, 9rem);--footer-bg:#2f249d;--on-footer:#fff;--on-footer-secondary:#eceaff;--on-footer-tertiary:#c9c4f3;--footer-stitch:#d5d2f973;--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Noto Sans TC", "Noto Sans CJK TC", "Microsoft JhengHei UI", "Microsoft JhengHei", sans-serif;--font-mono:ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--text-xs:.8125rem;--text-s:.9375rem;--text-m:1.0625rem;--text-l:1.25rem;--text-xl:clamp(1.5rem, 1.25rem + .9vw, 1.875rem);--text-2xl:clamp(2.125rem, 1.45rem + 2.8vw, 3.5rem);--text-section:clamp(1.75rem, 1.2rem + 1.8vw, 2.5rem);--text-display:clamp(2.5rem, 1.5rem + 3.8vw, 4.5rem);--leading-body:1.6;--leading-heading:1.2;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4.5rem;--space-9:6.5rem;--radius-s:6px;--radius-m:12px;--radius-l:18px;--radius-xl:24px;--page-max:72rem;--gutter:clamp(1rem, 4vw, 2.5rem);--measure:42rem;--ease:cubic-bezier(.25, .8, .25, 1);--duration-fast:.14s;--duration:.22s}:root:lang(zh){--leading-body:1.75;--leading-heading:1.35}@media (prefers-color-scheme:dark){:root{--accent:#a69cff;--accent-strong:#c9c3ff;--accent-fill:#5b4fd3;--accent-fill-hover:#483cc8;--accent-tint:#a69cff29;--bg:#100d2e;--bg-subtle:#15123c;--surface:#1a1648;--border:#2d2963;--control-border:#6e6aa6;--text:#f1f0ff;--text-secondary:#b9b6e8;--text-tertiary:#8c88c4;--warning:#ffb960;--warning-tint:#ffb9601a;--stitch:#d5d2f942;--stitch-strong:#8a81f2;--screen-gradient:linear-gradient(180deg, #1b2563 0%, #263a8a 30%, #3e3a8e 54%, #6a4c88 78%, #7a4f7e 100%);--screen-top:#1b2563;--on-screen:#fff;--on-screen-secondary:#d9d6fa;--glass-bg:#ffffff14;--glass-border:#ffffff38;--pocket-shadow:0 2rem 4rem -1.5rem #0009;--footer-bg:#0b0924}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:var(--space-5)}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}body{background:var(--bg);min-height:100vh;color:var(--text);font-family:var(--font-sans);font-size:var(--text-m);line-height:var(--leading-body);font-synthesis-weight:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;margin:0;display:flex}main{flex:1 0 auto}main:focus{outline:none}h1,h2,h3,h4{font-weight:650;line-height:var(--leading-heading);letter-spacing:-.012em;text-wrap:balance;margin:0}:is(h1,h2){font-weight:700}:lang(zh) :is(h1,h2,h3,h4){letter-spacing:.01em;font-weight:600}:lang(zh) :is(h1,h2){font-weight:700}p,ul,ol,dl,dd,table,pre,figure,blockquote{margin:0}p,li,dd,td{text-wrap:pretty}img,svg{max-width:100%;display:block}strong{font-weight:600}a{color:var(--accent);text-underline-offset:.22em;text-decoration-line:underline;text-decoration-thickness:1px;text-decoration-color:color-mix(in srgb, currentColor 35%, transparent);transition:color var(--duration-fast) var(--ease), text-decoration-color var(--duration-fast) var(--ease)}a:hover{text-decoration-color:currentColor}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}a:not([class]):focus-visible{border-radius:3px}::selection{background:var(--accent-tint)}code,kbd,samp,pre,var{font-family:var(--font-mono)}:not(pre)>code{border:1px solid var(--border);background:var(--bg-subtle);overflow-wrap:break-word;border-radius:5px;padding:.08em .35em;font-size:.88em}kbd{border:1px solid var(--control-border);background:var(--surface);text-align:center;border-bottom-width:2px;border-radius:5px;min-width:1.7em;padding:.05em .4em;font-size:.85em;line-height:1.45;display:inline-block}var{color:var(--accent);font-size:.92em;font-style:normal}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{top:var(--space-3);left:var(--space-4);z-index:10;padding:var(--space-2) var(--space-4);border-radius:var(--radius-m);background:var(--accent-fill);color:var(--on-accent);font-weight:600;text-decoration:none;position:absolute;transform:translateY(-160%)}.skip-link:focus{transform:none}.container{width:min(100% - 2 * var(--gutter), var(--page-max));margin-inline:auto}.button{background:var(--accent-fill);min-height:48px;color:var(--on-accent);transition:background-color var(--duration-fast) var(--ease), box-shadow var(--duration) var(--ease), translate var(--duration) var(--ease);border-radius:999px;justify-content:center;align-items:center;gap:.5em;padding:.6em 1.4em;font-weight:600;line-height:1.25;text-decoration:none;display:inline-flex;box-shadow:0 .6rem 1.4rem -.7rem #2f249d99}.button:hover{background:var(--accent-fill-hover);translate:0 -2px;box-shadow:0 .9rem 1.6rem -.8rem #2f249da6}.button:active{transition-duration:60ms;translate:0 1px;box-shadow:0 .3rem .6rem -.4rem #2f249d99}.arrow-link{align-items:center;gap:.35em;min-height:44px;font-weight:500;text-decoration:none;display:inline-flex}.arrow-link:after{content:"→";content:"→" / "";transition:transform var(--duration) var(--ease)}.arrow-link:hover:after{transform:translate(3px)}.table-scroll{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;font-size:var(--text-s);font-variant-numeric:tabular-nums}.data-table :is(th,td){padding:var(--space-3) var(--space-4) var(--space-3) 0;border-bottom:1.5px dashed var(--stitch);text-align:left;vertical-align:top}.data-table tbody tr:last-child :is(th,td){border-bottom:0}.data-table thead th{border-bottom:1.5px solid var(--border);color:var(--text-secondary);font-size:var(--text-xs);letter-spacing:.02em;font-weight:600}.data-table tbody th{font-weight:600}.faq{border-top:1.5px dashed var(--stitch)}.faq-item{border-bottom:1.5px dashed var(--stitch)}.faq-item>summary{justify-content:space-between;align-items:flex-start;gap:var(--space-4);padding-block:var(--space-4);cursor:pointer;font-weight:600;list-style:none;display:flex}.faq-item>summary::-webkit-details-marker{display:none}.faq-item>summary:after{content:"+";content:"+" / "";width:1.5em;color:var(--accent);text-align:center;transition:transform var(--duration) var(--ease);flex:none;font-size:1.25em;font-weight:400;line-height:1.1}.faq-item[open]>summary:after{transform:rotate(45deg)}.faq-item>summary:hover{color:var(--accent)}.faq-answer{padding-bottom:var(--space-5);color:var(--text-secondary)}.faq-answer>*+*{margin-top:var(--space-3)}@media (prefers-reduced-motion:no-preference){:root{interpolate-size:allow-keywords}.faq-item::details-content{block-size:0;transition:block-size var(--duration) var(--ease), content-visibility var(--duration) allow-discrete;overflow:clip}.faq-item[open]::details-content{block-size:auto}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{.site-header nav,.skip-link,.toc{display:none}a{color:inherit}}.app-icon[data-astro-cid-5k5hwzfm]{flex:none}.site-footer[data-astro-cid-nns7i3if]{padding-block:var(--space-3) var(--space-8);background:var(--footer-bg);color:var(--on-footer-secondary);font-size:var(--text-s);margin-top:auto}.footer-inner[data-astro-cid-nns7i3if]{padding-top:var(--space-6);border-top:2px dashed var(--footer-stitch)}.footer-top[data-astro-cid-nns7i3if]{justify-content:space-between;align-items:center;gap:var(--space-4) var(--space-6);flex-wrap:wrap;display:flex}.footer-brand[data-astro-cid-nns7i3if]{color:var(--on-footer);font-size:var(--text-m);align-items:center;gap:.6rem;font-weight:700;display:inline-flex}.footer-links[data-astro-cid-nns7i3if]{gap:0 var(--space-5);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.footer-links[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]{min-height:44px;color:var(--on-footer);align-items:center;text-decoration:none;display:inline-flex}.footer-links[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]:hover{text-decoration:underline}.footer-mail[data-astro-cid-nns7i3if]{min-height:44px;font-family:var(--font-mono);align-items:center;display:inline-flex}.footer-legal[data-astro-cid-nns7i3if]{margin-top:var(--space-5);color:var(--on-footer-tertiary);font-size:var(--text-xs);line-height:1.7}.footer-legal[data-astro-cid-nns7i3if] p[data-astro-cid-nns7i3if]+p[data-astro-cid-nns7i3if]{margin-top:var(--space-2)}.footer-legal[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]{color:var(--on-footer-secondary)}.site-footer[data-astro-cid-nns7i3if] [data-astro-cid-nns7i3if]:focus-visible{outline-color:var(--on-footer)}.site-header[data-astro-cid-fzpbxy5g]{border-bottom:2px dashed var(--stitch)}body[data-page=home] .site-header[data-astro-cid-fzpbxy5g]{background:var(--screen-top);border-bottom:0}body[data-page=home] .brand[data-astro-cid-fzpbxy5g],body[data-page=home] .nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{color:var(--on-screen)}body[data-page=home] .nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{background-color:var(--glass-bg)}.header-inner[data-astro-cid-fzpbxy5g]{justify-content:space-between;align-items:center;gap:var(--space-4);min-height:4rem;display:flex}.brand[data-astro-cid-fzpbxy5g]{min-height:44px;color:var(--text);font-size:var(--text-m);letter-spacing:-.01em;align-items:center;gap:.6rem;font-weight:700;text-decoration:none;display:inline-flex}.nav-list[data-astro-cid-fzpbxy5g]{align-items:center;gap:var(--space-1);margin:0;padding:0;list-style:none;display:flex}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{border-radius:var(--radius-s);min-height:44px;color:var(--text-secondary);font-size:var(--text-s);transition:color var(--duration-fast) var(--ease), background-color var(--duration-fast) var(--ease), background-size var(--duration) var(--ease);background-image:linear-gradient(currentColor,currentColor);background-position:.7em calc(100% - .55rem);background-repeat:no-repeat;background-size:0 1.5px;align-items:center;gap:.4em;padding:0 .7em;text-decoration:none;display:inline-flex}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover,.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g][aria-current=page]{background-size:calc(100% - 1.4em) 1.5px}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{background-color:var(--bg-subtle);color:var(--text)}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g][aria-current=page]{color:var(--text);font-weight:600}.lang-switch[data-astro-cid-fzpbxy5g] svg[data-astro-cid-fzpbxy5g]{fill:none;stroke:currentColor;stroke-width:1.6px}@media (width<=44rem){.nav-optional[data-astro-cid-fzpbxy5g]{display:none}}