:root{--color-bg: #ffffff;--color-surface: #fafafa;--color-text: #1d1d1f;--color-text-muted: #6e6e73;--color-border: rgba(0, 0, 0, .1);--color-accent: #f05138;--color-accent-hover: #d83c24;--color-accent-ink: #993c1d;--color-accent-soft: #fbede9;--font-sans: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Segoe UI", system-ui, sans-serif;--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;--space-1: .5rem;--space-2: 1rem;--space-3: 1.5rem;--space-4: 2rem;--space-6: 3rem;--space-8: 4rem;--space-12: 6rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-pill: 999px;--maxw: 1080px;--fs-hero: clamp(2.5rem, 6vw, 4.5rem);--fs-h2: clamp(1.6rem, 3vw, 2.25rem);--fs-h3: 1.25rem;--fs-body: 1.0625rem;--fs-small: .875rem}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.7;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}h1,h2,h3{font-weight:500;line-height:1.15;letter-spacing:-.01em;margin:0}h2{font-size:var(--fs-h2)}h3{font-size:var(--fs-h3)}p{margin:0}.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--space-3)}.section{padding-block:var(--space-12)}.muted{color:var(--color-text-muted)}.btn{display:inline-flex;align-items:center;gap:.5rem;font:inherit;font-size:var(--fs-small);font-weight:500;padding:.7rem 1.25rem;border-radius:var(--radius-pill);border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.btn--primary{background:var(--color-accent);color:#fff}.btn--primary:hover{background:var(--color-accent-hover)}.btn--ghost{border-color:var(--color-border);color:var(--color-text)}.btn--ghost:hover{border-color:var(--color-text)}.link-accent{color:var(--color-accent);font-weight:500}.link-accent:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:4px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-text);color:#fff;padding:.5rem 1rem;border-radius:0 0 var(--radius-sm) 0;z-index:100}.skip-link:focus{left:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--color-bg) 85%,transparent);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--color-border)}.site-header__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;min-height:60px}.brand[data-astro-cid-3ef6ksr2]{font-weight:500;font-size:1.05rem;letter-spacing:-.01em}.site-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:1.5rem;font-size:var(--fs-small)}.site-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--color-text-muted)}.site-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--color-text)}.lang-toggle[data-astro-cid-3ef6ksr2]{font-weight:500;color:var(--color-accent)!important}.nav-toggle[data-astro-cid-3ef6ksr2]{display:none}@media(max-width:768px){.nav-toggle[data-astro-cid-3ef6ksr2]{display:inline-flex;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}.nav-toggle[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{width:22px;height:2px;background:var(--color-text);display:block}.site-nav[data-astro-cid-3ef6ksr2]{position:absolute;top:60px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:1rem;background:var(--color-bg);border-bottom:1px solid var(--color-border);padding:1.25rem var(--space-3);display:none}.site-nav[data-astro-cid-3ef6ksr2].is-open{display:flex}}.site-footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--color-border);margin-top:var(--space-12)}.site-footer__inner[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;gap:var(--space-4);justify-content:space-between;padding-block:var(--space-6) var(--space-3)}.brand[data-astro-cid-sz7xmlte]{font-weight:500}.footer-links[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;gap:1.25rem;font-size:var(--fs-small)}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--color-text-muted)}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-text)}.site-footer__bottom[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;padding-block:var(--space-3) var(--space-6);font-size:var(--fs-small)}