:root{--background: 0 0% 100%;--foreground: 240 10% 3.9%;--card: 0 0% 100%;--card-foreground: 240 10% 3.9%;--muted: 240 4.8% 95.9%;--muted-foreground: 240 3.8% 46.1%;--accent: 240 4.8% 95.9%;--accent-foreground: 240 5.9% 10%;--primary: 240 5.9% 10%;--primary-foreground: 0 0% 98%;--secondary: 240 4.8% 95.9%;--secondary-foreground: 240 5.9% 10%;--border: 240 5.9% 90%;--input: 240 5.9% 90%;--ring: 240 5.9% 10%;--success: 142 71% 45%;--warning: 38 92% 50%;--destructive: 0 84.2% 60.2%;--destructive-foreground: 0 0% 98%;--radius: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--shadow-sm: 0 1px 2px 0 hsl(240 5.9% 10% / .05);--shadow-md: 0 4px 6px -1px hsl(240 5.9% 10% / .08), 0 2px 4px -2px hsl(240 5.9% 10% / .05);--shadow-lg: 0 10px 15px -3px hsl(240 5.9% 10% / .08), 0 4px 6px -4px hsl(240 5.9% 10% / .05);color-scheme:light}*,*: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:16px;line-height:1.6;color:hsl(var(--foreground));background-color:hsl(var(--background));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:600}p{margin:0}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}::selection{background-color:hsl(var(--foreground) / .12)}.container{width:100%;max-width:1120px;margin-inline:auto;padding-inline:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;border-radius:var(--radius);font-size:14px;font-weight:500;padding:10px 18px;border:1px solid transparent;transition:background-color .15s,border-color .15s,color .15s,opacity .15s,transform .08s}.btn:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}.btn:active:not(:disabled){transform:scale(.97)}.btn-primary{background-color:hsl(var(--primary));color:hsl(var(--primary-foreground))}.btn-primary:hover:not(:disabled){opacity:.9}.btn-outline{background-color:transparent;border-color:hsl(var(--border));color:hsl(var(--foreground))}.btn-outline:hover:not(:disabled){background-color:hsl(var(--accent));color:hsl(var(--accent-foreground))}.btn-lg{font-size:15px;padding:12px 22px}.btn-sm{font-size:12px;padding:5px 10px}.card{background-color:hsl(var(--card));color:hsl(var(--card-foreground));border:1px solid hsl(var(--border));border-radius:var(--radius-lg)}.section{padding-block:96px}@media(max-width:720px){.section{padding-block:64px}}.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:hsl(var(--muted-foreground));background-color:hsl(var(--muted));border-radius:9999px;padding:4px 10px}.section-title{font-size:36px;margin-top:16px;margin-bottom:12px;max-width:720px}.section-subtitle{font-size:17px;color:hsl(var(--muted-foreground));max-width:720px;margin-bottom:56px}@media(max-width:720px){.section-title{font-size:28px}.section-subtitle{font-size:15px;margin-bottom:40px}}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:hsl(var(--muted-foreground) / .3);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:hsl(var(--muted-foreground) / .5)}.lang-switcher[data-astro-cid-a2mxz4y6]{display:inline-flex;align-items:center;gap:6px;font-size:13px}.lang-link[data-astro-cid-a2mxz4y6]{color:hsl(var(--muted-foreground));padding:4px;border-radius:6px;transition:color .15s,background-color .15s}.lang-link[data-astro-cid-a2mxz4y6]:hover{color:hsl(var(--foreground))}.lang-link[data-astro-cid-a2mxz4y6].active{color:hsl(var(--foreground));font-weight:600}.lang-sep[data-astro-cid-a2mxz4y6]{color:hsl(var(--border));user-select:none}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background-color:hsl(var(--background) / .85);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid hsl(var(--border))}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}.brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:16px;letter-spacing:-.01em}.brand-name[data-astro-cid-3ef6ksr2]{color:hsl(var(--foreground))}.site-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:28px;margin-inline:auto}.nav-link[data-astro-cid-3ef6ksr2]{font-size:14px;color:hsl(var(--muted-foreground));transition:color .15s}.nav-link[data-astro-cid-3ef6ksr2]:hover{color:hsl(var(--foreground))}.nav-link-external[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:4px}.header-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:12px}@media(max-width:720px){.site-nav[data-astro-cid-3ef6ksr2],.cta-nav[data-astro-cid-3ef6ksr2]{display:none}}.site-footer[data-astro-cid-sz7xmlte]{background-color:hsl(var(--muted) / .5);border-top:1px solid hsl(var(--border));padding-top:56px;padding-bottom:32px}.footer-inner[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1.5fr 2fr;gap:48px;padding-bottom:40px}.brand[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;margin-bottom:12px}.footer-tagline[data-astro-cid-sz7xmlte]{font-size:14px;color:hsl(var(--foreground));margin-bottom:8px}.footer-meta[data-astro-cid-sz7xmlte]{font-size:12px;color:hsl(var(--muted-foreground))}.footer-badges[data-astro-cid-sz7xmlte]{display:flex;gap:8px;margin-top:14px}.footer-badges[data-astro-cid-sz7xmlte] img[data-astro-cid-sz7xmlte]{display:block;height:20px;border-radius:3px}.footer-nav[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.footer-col-title[data-astro-cid-sz7xmlte]{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:hsl(var(--muted-foreground));margin-bottom:14px}.footer-col[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:10px}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{font-size:14px;color:hsl(var(--foreground) / .8);transition:color .15s}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:hsl(var(--foreground))}.footer-bottom[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:8px;padding-top:24px;border-top:1px solid hsl(var(--border))}.footer-copy[data-astro-cid-sz7xmlte]{font-size:13px;color:hsl(var(--muted-foreground))}.footer-note[data-astro-cid-sz7xmlte]{font-size:12px;color:hsl(var(--muted-foreground) / .8);max-width:760px;line-height:1.6}@media(max-width:720px){.footer-inner[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:32px}.footer-nav[data-astro-cid-sz7xmlte]{grid-template-columns:repeat(3,1fr);gap:20px}}.skip-link[data-astro-cid-37fxchfa]{position:absolute;top:-40px;left:8px;background:hsl(var(--primary));color:hsl(var(--primary-foreground));padding:8px 12px;border-radius:var(--radius);font-size:13px;z-index:1000;transition:top .15s ease}.skip-link[data-astro-cid-37fxchfa]:focus{top:8px}