:root{--color-bg: #ffffff;--color-bg-subtle: #f5f7fa;--color-bg-muted: #eef1f6;--color-surface: #ffffff;--color-text: #0c111b;--color-text-soft: #424b5a;--color-text-muted: #6b7686;--color-border: #e4e8ef;--color-border-strong: #d3d9e3;--color-brand: #2563eb;--color-brand-strong: #1d4ed8;--color-brand-soft: #eaf1ff;--color-brand-contrast: #ffffff;--color-ink: #0c111b;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;--fs-xs: .8125rem;--fs-sm: .9375rem;--fs-base: 1.0625rem;--fs-md: 1.1875rem;--fs-lg: 1.5rem;--fs-xl: 2rem;--fs-2xl: 2.75rem;--fs-3xl: 3.5rem;--lh-tight: 1.15;--lh-snug: 1.3;--lh-normal: 1.65;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 4rem;--space-9: 6rem;--space-10: 8rem;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(12, 17, 27, .04), 0 1px 3px rgba(12, 17, 27, .06);--shadow-md: 0 4px 14px rgba(12, 17, 27, .06), 0 2px 6px rgba(12, 17, 27, .05);--shadow-lg: 0 18px 48px rgba(12, 17, 27, .1), 0 6px 18px rgba(12, 17, 27, .06);--container: 1120px;--header-h: 72px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);font-size:var(--fs-base);line-height:var(--lh-normal);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4,p,figure,ul,ol{margin:0}ul,ol{padding:0;list-style:none}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}h1,h2,h3,h4{line-height:var(--lh-tight);letter-spacing:-.02em;font-weight:700;color:var(--color-ink)}h2{font-size:var(--fs-xl)}h3{font-size:var(--fs-lg)}:focus-visible{outline:2px solid var(--color-brand);outline-offset:3px;border-radius:4px}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--space-5)}.section{padding-block:var(--space-9)}.section--tight{padding-block:var(--space-8)}.bg-subtle{background:var(--color-bg-subtle)}.eyebrow{display:inline-block;font-size:var(--fs-xs);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--color-brand);margin-bottom:var(--space-3)}.section-head{max-width:640px;margin-bottom:var(--space-7)}.section-head p{margin-top:var(--space-3);color:var(--color-text-soft);font-size:var(--fs-md)}.lead{font-size:var(--fs-md);color:var(--color-text-soft);line-height:var(--lh-normal)}.text-muted{color:var(--color-text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-size:var(--fs-sm);font-weight:600;padding:.72rem 1.35rem;border-radius:var(--radius-pill);border:1px solid transparent;cursor:pointer;white-space:nowrap;line-height:1.2;transition:transform .15s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease}.btn :global(svg),.btn svg{width:18px;height:18px;flex:none}.btn:hover{transform:translateY(-1px)}.btn--primary{background:var(--color-brand);color:var(--color-brand-contrast);box-shadow:var(--shadow-sm)}.btn--primary:hover{background:var(--color-brand-strong);box-shadow:var(--shadow-md)}.btn--ghost{background:transparent;color:var(--color-ink);border-color:var(--color-border-strong)}.btn--ghost:hover{border-color:var(--color-ink);background:var(--color-bg-subtle)}.btn--light{background:#fff;color:var(--color-ink)}.btn--light:hover{background:var(--color-bg-subtle)}.btn--lg{font-size:var(--fs-base);padding:.9rem 1.7rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.card--hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-border-strong)}.grid{display:grid;gap:var(--space-5)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.icon-badge{width:52px;height:52px;border-radius:var(--radius-md);display:grid;place-items:center;background:var(--color-brand-soft);color:var(--color-brand-strong);margin-bottom:var(--space-4)}.icon-badge svg{width:26px;height:26px}.prose{max-width:760px}.prose h2{font-size:var(--fs-lg);margin-top:var(--space-7);margin-bottom:var(--space-3)}.prose p{color:var(--color-text-soft);margin-bottom:var(--space-4)}@media(max-width:900px){:root{--fs-3xl: 2.6rem;--fs-2xl: 2.15rem;--fs-xl: 1.7rem}.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.section{padding-block:var(--space-8)}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background:#ffffffd1;backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--color-border)}.header-inner[data-astro-cid-3ef6ksr2]{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:var(--space-3)}.brand[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{width:40px;height:40px}.brand-text[data-astro-cid-3ef6ksr2]{display:flex;flex-direction:column;line-height:1.1}.brand-text[data-astro-cid-3ef6ksr2] strong[data-astro-cid-3ef6ksr2]{font-size:1.125rem;font-weight:800;letter-spacing:.01em;color:var(--color-ink)}.brand-text[data-astro-cid-3ef6ksr2] small[data-astro-cid-3ef6ksr2]{font-size:.6875rem;color:var(--color-text-muted);letter-spacing:.01em}.site-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-5)}.nav-link[data-astro-cid-3ef6ksr2]{font-size:var(--fs-sm);font-weight:500;color:var(--color-text-soft);transition:color .15s ease}.nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--color-ink)}.nav-link[data-astro-cid-3ef6ksr2].is-active{color:var(--color-ink);font-weight:600}.lang-switch[data-astro-cid-3ef6ksr2]{font-size:var(--fs-xs);font-weight:600;padding:.4rem .75rem;border:1px solid var(--color-border-strong);border-radius:var(--radius-pill);color:var(--color-ink);transition:border-color .15s ease,background-color .15s ease}.lang-switch[data-astro-cid-3ef6ksr2]:hover{background:var(--color-bg-subtle);border-color:var(--color-ink)}.nav-toggle[data-astro-cid-3ef6ksr2],.nav-burger[data-astro-cid-3ef6ksr2]{display:none}@media(max-width:820px){.nav-burger[data-astro-cid-3ef6ksr2]{display:inline-flex;flex-direction:column;gap:5px;padding:8px;cursor:pointer}.nav-burger[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{width:22px;height:2px;background:var(--color-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}.site-nav[data-astro-cid-3ef6ksr2]{position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--color-bg);border-bottom:1px solid var(--color-border);padding:var(--space-3) var(--space-5) var(--space-5);box-shadow:var(--shadow-md);display:none}.nav-toggle[data-astro-cid-3ef6ksr2]:checked~.site-nav[data-astro-cid-3ef6ksr2]{display:flex}.nav-link[data-astro-cid-3ef6ksr2]{padding:var(--space-3) 0;border-bottom:1px solid var(--color-border);font-size:var(--fs-base)}.lang-switch[data-astro-cid-3ef6ksr2]{align-self:flex-start;margin-top:var(--space-4)}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--color-bg-subtle);border-top:1px solid var(--color-border);padding-top:var(--space-8);margin-top:var(--space-9)}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:var(--space-6);padding-bottom:var(--space-7)}.footer-logo[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-3)}.footer-logo[data-astro-cid-sz7xmlte] strong[data-astro-cid-sz7xmlte]{font-size:1.05rem;font-weight:800;letter-spacing:.01em}.footer-brand[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{max-width:320px;font-size:var(--fs-sm)}.footer-col[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{font-size:var(--fs-sm);text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-bottom:var(--space-4)}.footer-col[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:var(--space-3)}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{font-size:var(--fs-sm);color:var(--color-text-soft);transition:color .15s ease}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-brand-strong)}.footer-contact[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{font-size:var(--fs-sm);color:var(--color-text-soft)}.footer-address[data-astro-cid-sz7xmlte]{line-height:var(--lh-snug);max-width:280px}.footer-bottom[data-astro-cid-sz7xmlte]{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding-block:var(--space-5);border-top:1px solid var(--color-border);font-size:var(--fs-xs);color:var(--color-text-muted)}.footer-bottom[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-brand-strong)}@media(max-width:820px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:var(--space-6)}}@media(max-width:620px){.footer-bottom[data-astro-cid-sz7xmlte]{flex-direction:column;align-items:flex-start}}