:root{--bg: #ffffff;--bg-soft: #f8fafc;--bg-mute: #f1f5f9;--bg-dark: #0b1220;--bg-dark-soft: #111a2e;--text: #0f172a;--text-soft: #334155;--text-mute: #475569;--text-invert: #e2e8f0;--border: #e2e8f0;--border-dark: #1e293b;--primary: #14b8a6;--primary-strong: #0d9488;--accent: #22d3ee;--maxw: 1120px;--radius: 14px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .06);--shadow-md: 0 10px 30px -12px rgba(15, 23, 42, .18);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;color-scheme:light}[data-theme=dark]{--bg: #0b1220;--bg-soft: #0f172a;--bg-mute: #1e293b;--bg-dark: #060b16;--bg-dark-soft: #111a2e;--text: #e2e8f0;--text-soft: #cbd5e1;--text-mute: #94a3b8;--text-invert: #e2e8f0;--border: #1e293b;--border-dark: #060b16;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}code,pre{font-family:SFMono-Regular,ui-monospace,JetBrains Mono,Menlo,Consolas,monospace}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3{line-height:1.2;letter-spacing:-.01em;margin:0}p{margin:0}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:88px 0}.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--primary-strong);background:#14b8a61a;padding:4px 12px;border-radius:999px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,background .2s ease,border-color .2s ease;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#04201d}.btn-primary:hover{background:var(--primary-strong);color:#fff}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary-strong)}.hero .btn-ghost,.cta-band .btn-ghost{color:var(--hero-fg, var(--text-invert));border-color:var(--hero-term-border, var(--border-dark))}.hero .btn-ghost:hover,.cta-band .btn-ghost:hover{color:var(--primary);border-color:var(--primary)}@media(max-width:720px){.section{padding:60px 0}.container{padding:0 18px}}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background:#ffffffd9;backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}[data-theme=dark] .site-header[data-astro-cid-3ef6ksr2]{background:#0f172acc}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:24px;height:64px}.brand[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px}.logo-light[data-astro-cid-3ef6ksr2]{display:inline}.logo-dark[data-astro-cid-3ef6ksr2],[data-theme=dark] .logo-light[data-astro-cid-3ef6ksr2]{display:none}[data-theme=dark] .logo-dark[data-astro-cid-3ef6ksr2]{display:inline}.nav[data-astro-cid-3ef6ksr2]{display:flex;gap:26px;margin:0 auto;font-size:15px;color:var(--text-soft)}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--primary-strong)}.header-tools[data-astro-cid-3ef6ksr2]{display:flex;gap:8px;align-items:center}.tool-btn[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 8px;border-radius:8px;color:var(--text-soft);background:transparent;border:none;cursor:pointer;font-size:13px;font-weight:600;text-decoration:none}.tool-btn[data-astro-cid-3ef6ksr2]:hover{background:var(--bg-mute);color:var(--text)}.theme-toggle[data-astro-cid-3ef6ksr2] .i-sun[data-astro-cid-3ef6ksr2]{display:none}.theme-toggle[data-astro-cid-3ef6ksr2] .i-moon[data-astro-cid-3ef6ksr2],[data-theme=dark] .theme-toggle[data-astro-cid-3ef6ksr2] .i-sun[data-astro-cid-3ef6ksr2]{display:inline-flex}[data-theme=dark] .theme-toggle[data-astro-cid-3ef6ksr2] .i-moon[data-astro-cid-3ef6ksr2]{display:none}.btn[data-astro-cid-3ef6ksr2].sm{height:36px;padding:0 14px;font-size:14px}@media(max-width:720px){.nav[data-astro-cid-3ef6ksr2]{display:none}.header-inner[data-astro-cid-3ef6ksr2]{gap:10px}}.site-footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--border);background:var(--bg-soft);padding:30px 0}.footer-inner[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.footer-brand[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:8px;font-weight:700}.logo-light[data-astro-cid-sz7xmlte]{display:inline}.logo-dark[data-astro-cid-sz7xmlte],[data-theme=dark] .logo-light[data-astro-cid-sz7xmlte]{display:none}[data-theme=dark] .logo-dark[data-astro-cid-sz7xmlte]{display:inline}.footer-copy[data-astro-cid-sz7xmlte]{color:var(--text-mute);font-size:14px;margin-right:auto}.footer-nav[data-astro-cid-sz7xmlte]{display:flex;gap:18px;font-size:14px;color:var(--text-soft)}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--primary-strong)}